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Solarcity Corporation patents


Recent patent applications related to Solarcity Corporation. Solarcity Corporation is listed as an Agent/Assignee. Note: Solarcity Corporation may have other listings under different names/spellings. We're not affiliated with Solarcity Corporation, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "S" | Solarcity Corporation-related inventors


Building integrated photovoltaic system for tile roofs

Building integrated photovoltaic (bipv) systems provide for solar panel arrays that can be aesthetically pleasing to an observer, with minimal visible difference between photovoltaic and non-photovoltaic areas of the bipv system. Bipv systems can be incorporated as part of roof surfaces as built into the structure of the roof, particularly as roofing tiles that have photovoltaic elements embedded or incorporated into the body of the roofing tiles. ... Solarcity Corporation

Anti-corrosion protection in photovoltaic structures

A system for fabricating a photovoltaic module is provided. During operation, the system can obtain a plurality of photovoltaic structures. ... Solarcity Corporation

Power factor adjustment in multi-phase power system

A multi-phase power generation system for renewable energy, in which reactive elements (i.e., capacitors and/or inductors) can be selectively switched in and out in order to meet a particular power factor requirement, is provided. Each phase of the multi-phase power system receives generated powers from a set of inverters, and each phase has a set of switch reactive elements for making power factor adjustments to the power generated by the set of inverters. ... Solarcity Corporation

Manual transfer switch for onsite energy generation and storage systems

A manually controlled coupling mechanism for onsite energy generation and storage systems includes a first contact portion having a first electrical contact for coupling to an utility grid and a second electrical contact for coupling to an on-grid ac terminal of an inverter, a second contact portion having a third electrical contact for coupling to an off-grid output terminal of the inverter, and a manually activated multi-position switch, wherein in a first position, only the first contact portion is activated to allow power transfer between the utility grid, the on-grid ac terminal of the inverter and a main electrical panel, and in the second position, only the second contact portion is activated to allow power transfer from the off-grid output terminal of the inverter to the main electrical panel.. . ... Solarcity Corporation

Micro-batteries for energy generation systems

Embodiments disclose an energy generation system including a photovoltaic (pv) array including a plurality of pv modules for generating direct current (dc) power, a plurality of power converter pairs coupled to the plurality of pv modules and configured to convert the generated dc power to alternating current (ac) power, and a plurality of battery packs coupled to the plurality of power converter pairs. Each power converter pair of the plurality of power converter pairs includes a dc-to-dc converter coupled to a dc-to-ac inverter, where the dc-to-dc converter is directly coupled to a respective pv module. ... Solarcity Corporation

System and method for curing conductive paste using induction heating

One embodiment can provide a system for curing conductive paste applied on photovoltaic structures using induction heating. The system can include a wafer carrier for carrying a plurality of photovoltaic structures and an induction heater. ... Solarcity Corporation

Cascaded photovoltaic structures with interdigitated back contacts

A solar module is provided. The solar module includes a number of photovoltaic structures. ... Solarcity Corporation

Corrosion resistant photovoltaic modules

A system for fabricating a solar string is provided. The system obtains multiple photovoltaic structures. ... Solarcity Corporation

Solar panel fire skirt

Embodiments of the present invention are directed towards fire blocking apparatuses. A fire blocking apparatus for a solar panel is mounted to an underlying mounting surface. ... Solarcity Corporation

Power conditioning unit with voltage converters

A power conditioning unit for delivering power from a power source to a mains utility supply, the power conditioning unit comprising a plurality of input terminals for connecting to the power source, a plurality of output terminals for connecting to the mains utility supply, a voltage increasing converter connected to the input terminals, a voltage reducing converter connected to the voltage increasing converter and a dc-to-ac converter connected to the voltage reducing converter and to the output terminals.. . ... Solarcity Corporation

Systems and methods for controlling operations of a heating and cooling system

Techniques for controlling a heating, ventilation and air conditioning (hvac) system at a site are disclosed. A disclosed method includes obtaining or calculating a net load at the site and obtaining a temperature of the site during a time period. ... Solarcity Corporation

Handling of stacked substrates

A pneumatic device for transporting a substrate during a manufacturing operation is described. The pneumatic device can include multiple suction assemblies for securely coupling the substrate to the pneumatic device. ... Solarcity Corporation

Method and system for manufacturing electrical contact for photovoltaic structures

A system for fabrication of a photovoltaic structure is provided. During fabrication, the system can deposit a doped amorphous si layer on a first surface of a crystalline si substrate; and deposit, using a physical vapor deposition machine, a transparent conductive oxide layer on the doped amorphous si layer. ... Solarcity Corporation

Smart main electrical panel for energy generation systems

Embodiments disclose solar energy generation systems with automatic smart transfer switches. An energy generation system, including an energy generation device, an energy generation inverter coupled to the energy generation device and configured to convert direct current (dc) power from the energy generation device to alternating current (ac) power, a battery pack, a storage inverter coupled to the battery pack, where the storage inverter is configured to convert dc power from the battery pack to ac power and to convert ac power into dc power for storing energy into the battery pack, and a smart main electrical panel coupled to receive ac power from at least one of the energy generation inverter, the storage inverter, and a utility grid, where the smart main electrical panel includes one or more motorized circuit breakers configured to be remotely controlled to manage the power flow to one or more loads.. ... Solarcity Corporation

02/15/18 / #20180048160

Optimizer battery pv energy generation systems

Embodiments disclose an energy generation system including a photovoltaic (pv) array having a plurality of pv modules for generating direct current (dc) power, a plurality of opti-battery packs coupled to the pv array, where each opti-battery pack is coupled to a respective pv module and configured to receive dc power from the respective pv module, and an inverter configured to receive dc power from the plurality of opti-battery packs and to convert the dc power to alternating current (ac) power.. . ... Solarcity Corporation

02/15/18 / #20180048159

Automatic smart transfer switch for energy generation systems

Embodiments disclose solar energy generation systems with automatic smart transfer switches. An energy generation system includes an array of pv modules, a pv inverter coupled to the array of pv modules, and a battery pack configured to store dc power from the pv modules and output the stored dc power. ... Solarcity Corporation

02/08/18 / #20180040761

Cassette optimized for an inline annealing system

An apparatus for carrying a plurality of photovoltaic structures is provided. The apparatus can include a pair of end plates, a set of stationary posts coupling together the end plates, and a wafer-locking mechanism that can be engaged when the apparatus changes orientation. ... Solarcity Corporation

02/08/18 / #20180037121

Energy generation and storage system with electric vehicle charging capability

An inverter includes a battery pack connection for supplying energy to or receiving energy from a photovoltaic string, a battery pack, an ac grid connection for supplying power to or receiving power from an ac grid, a connection for supplying power to a home back-up load, an electric vehicle connection for supplying to and receiving power from an electric vehicle (ev) battery, and a control input configured to receive one or more control signals for controlling the flow of power within the inverter. The inverter, under the control of the one or more control signals, converts power received from one of different power sources and provides the converted power to charge a battery of the ev.. ... Solarcity Corporation

01/18/18 / #20180019703

Wire clip for photovoltaic modules

Disclosed is a wire clip for securing wires to a flange of a photovoltaic module frame. The wire clip includes a base having a first end and a second end. ... Solarcity Corporation

01/18/18 / #20180019349

Gridless photovoltaic cells and methods of producing a string using the same

One embodiment of the present invention provides a photovoltaic module. The photovoltaic module includes a front-side cover, a back-side cover, and a plurality of photovoltaic strings situated between the front- and back-side covers. ... Solarcity Corporation

01/04/18 / #20180006597

Ballasted tracker drive assembly

Pv modules and ballast arm assemblies are mounted onto a torque tube suspended from a support structure. The support structures allows torque tube, and mounted pv modules and ballast arm assemblies, to freely rotate. ... Solarcity Corporation

11/30/17 / #20170345963

Systems, method and apparatus for curing conductive paste

One embodiment can provide a system for curing conductive paste applied on photovoltaic structures. The system can include a wafer carrier for carrying a plurality of photovoltaic structures and a heater. ... Solarcity Corporation

11/30/17 / #20170345954

Colored photovoltaic modules

A low-reflection-loss low-angle-sensitive colored photovoltaic (pv) module is described. This colored pv module includes a transparent substrate; an array of solar cells encapsulated between a top encapsulation sheet and a bottom encapsulation sheet; and a color filter structure embedded between the top encapsulation sheet and the transparent substrate and configured to cause wavelength-selective reflections of incident light received by the colored pv module. ... Solarcity Corporation

11/23/17 / #20170338356

System and method for manufacturing photovoltaic structures with a metal seed layer

One embodiment of the present invention can provide a system for fabrication of a photovoltaic structure. The system can include a physical vapor deposition tool configured to sequentially deposit a transparent conductive oxide layer and a metallic layer on an emitter layer formed in a first surface of a si substrate, without requiring the si substrate to be removed from the physical vapor deposition tool after depositing the transparent conductive oxide layer. ... Solarcity Corporation

11/23/17 / #20170336821

Systems and methods for controlling pv production within energy export constraints

A method for controlling photovoltaic (pv) production and storage at a site is disclosed. The method includes monitoring a gross electric load and an actual pv output of the site over time and determining a net load at the site during a time period. ... Solarcity Corporation

11/16/17 / #20170331293

Power control system with fault detection and data retention for energy generation systems

A programmable microcontroller and a non-volatile memory are coupled to monitor and store operating parameters associated with operation of a power control system for a power generation system. The microcontroller is programmed to respond to a fault event (i.e., an anomalous condition that exceeds a threshold value) by storing the operating parameters before, during and after the fault event in the non-volatile memory.. ... Solarcity Corporation

11/16/17 / #20170331292

Energy generation interactions bypassing the grid

Methods, devices, and systems for controlling energy generation interactions that bypass the grid may be provided. Flow control devices may be directly connected with one another independent of electrical connections to the utility grid. ... Solarcity Corporation

10/26/17 / #20170311475

Flat roof inverter rack

A multi-component inverter rack formed from sheet metal is disclosed. Some of the sheet metal derived parts used to form the multi-component inverter rack can be interchangeable. ... Solarcity Corporation

10/26/17 / #20170310273

Over-center under photovoltaic module clamp

Photovoltaic modules are mounted onto pv module mounting brackets of a solar torque tube via clamps. The clamps include a first hook rotatably attached to a main body, and a second hook rotatably attached to the main body. ... Solarcity Corporation

10/12/17 / #20170294870

Pre-assembled nesting photovoltaic module bracket for solar tracker

Photovoltaic module assemblies are mounted onto a solar tracker array torque tube via photovoltaic module brackets. The photovoltaic module brackets provide for stacking photovoltaic module assemblies in a nested configuration. ... Solarcity Corporation

10/12/17 / #20170294869

Photovoltaic module connector for solar tracker

Photovoltaic modules are mounted onto a solar tracker array torque tube via pairs or left-handed and right-handed photovoltaic array connectors or brackets. The left-handed and right-handed photovoltaic array connectors have orientation projections that couple with and extend into the interior body of the torque tube. ... Solarcity Corporation

10/12/17 / #20170294867

Spring latch saddle connector for solar tracker

Photovoltaic modules are mounted onto a solar tracker array torque tube via pairs or left-handed and right-handed photovoltaic array connectors having spring latch assemblies. The left-handed and right-handed photovoltaic array connectors have orientation projections that couple with and extend into the interior body of the torque tube. ... Solarcity Corporation

10/05/17 / #20170288413

Control system for maintaining preferred battery levels in a microgrid

A system for controlling a battery state-of-energy within a microgrid includes an energy generation (eg) system, an electrical load coupled to the eg system, an energy storage system coupled to the eg system and the electrical load, and a controller coupled to the eg system and the energy storage system. The energy storage system can charge and discharge according to a target charge value and a target discharge value, which may be based on a state-of-energy of the energy storage system. ... Solarcity Corporation

10/05/17 / #20170288407

Renewable energy power generation systems

We describe a modular adjustable power factor renewable energy inverter system. The system comprises a plurality of inverter modules having a switched capacitor across its ac power output, a power measurement system coupled to a communication interface, and a power factor controller to control switching of the capacitor. ... Solarcity Corporation

10/05/17 / #20170288406

Power conditioning units

We describe a power conditioning unit with maximum power point tracking (mppt) for a dc power source, in particular a photovoltaic panel. A power injection control block has a sense input coupled to an energy storage capacitor on a dc link and controls a dc-to-ac converter to control the injected mains power. ... Solarcity Corporation

10/05/17 / #20170288084

Photovoltaic structure cleaving system

A cleaving system and method are described. The system can include a holding apparatus to retain a photovoltaic structure at a center section of a cleaving platform. ... Solarcity Corporation

09/28/17 / #20170279403

Photovoltaic mounting system with sealant injector inlet

Photovoltaic mounting systems that form chemical flashings are provided herein. Such mounting systems can include a mounting plate adapted to interface with an off-the-shelf mounting puck so as to allow mounting of the puck on the roof surface without use of traditional roof flashing and/or modification of shingles of the roof surface. ... Solarcity Corporation

09/21/17 / #20170271875

Rapid shutdown and safety disconnect for hybrid pv systems

Embodiments of the present disclosure describe an energy generation system including a rapid shutdown mechanism configured to prevent a flow of power from a photovoltaic (pv) array when activated, a battery pack comprising one or more power storage devices, and an inverter coupled to the rapid shutdown mechanism and the battery pack. The inverter includes anti-islanding relays configured to electrically disconnect the inverter from a utility grid when activated transfer relays configured to electrically disconnect the inverter from a load when activated, and a detection and initiation circuit coupled to the rapid shutdown mechanism, battery pack, anti-islanding relays, and transfer relays, where the detection and initiation circuit is configured to detect a triggering event and to activate the rapid shutdown mechanism, disable the battery pack, activate the anti-islanding relays, and activate the transfer relays in response to the detection of the triggering event.. ... Solarcity Corporation

09/21/17 / #20170271536

System and method for creating a pattern on a photovoltaic structure

A system and method for fabricating a photovoltaic structure is provided. During fabrication, the system can apply a wax coating on at least one surface of a multilayer photovoltaic structure, the surface of the multilayer photovoltaic structure being electrically conductive. ... Solarcity Corporation

09/14/17 / #20170264235

Photovoltaic mounting system

A photovoltaic mounting system having an elongated connector base. The elongated connector base can included photovoltaic module connector portion for supporting a pair of elevated photovoltaic modules above the base. ... Solarcity Corporation

09/07/17 / #20170256661

Method of manufacturing photovoltaic panels with various geometrical shapes

One embodiment of the present invention provides a photovoltaic module. The photovoltaic module includes a front-side cover, a back-side cover, and a plurality of angled photovoltaic strings situated between the front- and back-side covers. ... Solarcity Corporation

08/31/17 / #20170250648

Photovoltaic mounting system for solar tracker array

Mounting systems are disclosed for attaching photovoltaic modules to torque tubes. Such systems can include saddle brackets that maximize space along a torque tube by sharing torque tube mounting holes between adjacent brackets. ... Solarcity Corporation

08/17/17 / #20170237390

Building integrated photovoltaic roofing assemblies and associated systems and methods

Building integrated photovoltaic (bipv) systems provide for solar panel arrays that can be aesthetically pleasing and appear seamless to an observer. Bipv systems can be incorporated as part of roof surfaces as built into the structure of the roof, flush or forming a substantively uniform plane with roof panels or other panels mimicking a solar panel appearance. ... Solarcity Corporation

08/17/17 / #20170237389

Building integrated photovoltaic roofing assemblies and associated systems and methods

Building integrated photovoltaic (bipv) systems provide for solar panel arrays that can be aesthetically pleasing and appear seamless to an observer. Bipv systems can be incorporated as part of roof surfaces as built into the structure of the roof, flush or forming a substantively uniform plane with roof panels or other panels mimicking a solar panel appearance. ... Solarcity Corporation

08/17/17 / #20170237387

Building integrated photovoltaic roofing assemblies and associated systems and methods

Building integrated photovoltaic (bipv) systems provide for solar panel arrays that can be aesthetically pleasing and appear seamless to an observer. Bipv systems can be on-roof systems, elevated from the surface of a roof, being flush or forming a substantively uniform plane with roof panels or other panels mimicking a solar panel appearance. ... Solarcity Corporation

08/10/17 / #20170229998

Pile cap with integrated bearing housing

This disclosure relates to the design of pile cap assemblies configured to rotatably couple the torque tube of a photovoltaic solar tracker to multiple support piles that elevate the torque tube above the ground. The pile cap assemblies define low friction bearings that allow the torque tube to rotate smoothly within the low friction bearings. ... Solarcity Corporation

08/03/17 / #20170222599

Method and apparatus for forming and mounting a photovoltaic array

A photovoltaic (pv) module framing and coupling system enables the attachment of pv modules to a roof or other mounting surface without requiring the use of separate structural support members which attach directly to and span between multiple pv modules in a formed pv array. The apparatus provides a parallel coupling for securely interlocking the outside surfaces of parallel frame members together in a side to side arrangement to form an array with improved structural load distribution. ... Solarcity Corporation

07/13/17 / #20170201207

Three-directional photovoltaic module connector

A three-directional photovoltaic module connector. The module connector includes first serial connection portion on each side for connecting two adjacent photovoltaic modules together in a serial, end-to-end connection. ... Solarcity Corporation

07/13/17 / #20170201100

Inverters

We describe a photovoltaic power conditioning unit for delivering power from multiple photovoltaic panels to an ac mains power supply output, comprising: a dc input for receiving power from multiple photovoltaic panels; an ac output for delivering ac power to the ac supply; a bank of electrolytic energy storage capacitors for storing energy from the dc source for delivery to the ac supply; a dc-to-ac converter coupled to the ac output and having an input coupled to the bank for converting energy stored in the bank to ac power for the ac supply; and further comprising: a plurality of sense and control circuits, one for each capacitor in the bank, wherein each circuit is coupled in series with a capacitor, and is configured to disconnect the associated capacitor from the bank upon detection of a current flow through the associated capacitor of greater than a threshold current value.. . ... Solarcity Corporation

07/06/17 / #20170194900

Methods for mounting a junction box on a glass solar module with cutout

A solar module assembly is provided that can include a framed solar panel. The panel may include bifacial solar cells, a front facing glass cover layer, and a back facing glass cover layer. ... Solarcity Corporation

07/06/17 / #20170194517

System and method for tin plating metal electrodes

Systems and methods for fabricating a photovoltaic structure are provided. During fabrication, a patterned mask is formed on a first surface of a multilayer body of the photovoltaic structure, with openings of the mask corresponding to grid line locations of a first grid. ... Solarcity Corporation

07/06/17 / #20170194516

Advanced design of metallic grid in photovoltaic structures

One embodiment of the present invention provides a photovoltaic cell. The photovoltaic cell includes a multi-layer semiconductor structure with at least one tapered corner and an electrode that includes a metallic grid having a plurality of finger lines and a single busbar with multiple segments coupled to the finger lines. ... Solarcity Corporation

06/29/17 / #20170187328

Photovoltaic modules with corner junction boxes and array of the same

Photovoltaic modules are constructed having separate positive and negative junction boxes positioned at the corners of each photovoltaic module. A photovoltaic array assembled from these photovoltaic modules can be aligned such that the positive and negative junction boxes connect in an arrangement that minimizes the amount of wire needed to install the photovoltaic array. ... Solarcity Corporation

06/29/17 / #20170187327

Oscillation brake for solar tracking system

A solar-tracking photovoltaic array is described. The photovoltaic array includes mounting hardware configured to rotate photovoltaic modules associated with the photovoltaic array about one or more axes. ... Solarcity Corporation

06/29/17 / #20170187325

Pivot-fit frame, system and method for photovoltaic modules

A system and apparatus are disclosed including pv modules having a frame allowing quick and easy assembling of the pv modules into a pv array in a sturdy and durable manner. In examples of the present technology, the pv modules may have a grooved frame where the groove is provided at an angle with respect to a planar surface of the modules. ... Solarcity Corporation

06/29/17 / #20170187324

Mounting system for photovoltaic modules

A system for mounting one or more photovoltaic (pv) modules to a structure. The system can include a base having quarter turn receptacles. ... Solarcity Corporation

06/29/17 / #20170186897

Cell interconnects

Flexible interconnects for attaching overlapping strings that can be part of a photovoltaic module. The interconnects can absorb strain caused by non-uniform heating and other loads encountered by the photovoltaic module.. ... Solarcity Corporation

06/29/17 / #20170182521

Systems, methods and apparatus for levitating a metallic tray

A system for processing solar cells is disclosed which includes a separation module for separating a processing frame from solar cells that are fed along a conveyance line. The processing frame can be separated without requiring manual lifting of the processing frame by feeding the processing frame and solar cells into a magnetic roller system. ... Solarcity Corporation

06/22/17 / #20170179872

Dynamic damping system for solar trackers

A solar-tracking photovoltaic array is described. The photovoltaic array includes mounting hardware configured to rotate photovoltaic modules associated with the photovoltaic array about one or more axes. ... Solarcity Corporation

06/22/17 / #20170179331

Systems and methods for cascading photovoltaic structures

A string-forming system is described. The string-forming system may include at least a first cell-lifting mechanism and a second cell-lifting mechanism that can automatically arrange a set of strips of a photovoltaic structure into a cascaded formation. ... Solarcity Corporation

06/22/17 / #20170179326

System and method for mass-production of high-efficiency photovoltaic structures

One embodiment of the invention can provide a system for fabricating a photovoltaic structure. During fabrication, the system can form a sacrificial layer on a first side of a si substrate; load the si substrate into a chemical vapor deposition tool, with the sacrificial layer in contact with a wafer carrier; and form a first doped si layer on a second side of the si substrate. ... Solarcity Corporation

06/22/17 / #20170179324

High-efficiency low-cost solar panel with protection circuitry

One embodiment of the invention can provide a solar panel. The solar panel can include a plurality of strings of photovoltaic strips sandwiched between a front cover and a back cover. ... Solarcity Corporation

06/22/17 / #20170179320

System and method for fabricating solar panels using busbarless photovoltaic structures

A photovoltaic structure can include two or more sets of parallel conductive fingers on a top surface and a bottom surface, such that the fingers can collect an electric current from the underlying photovoltaic structure. A scribing system can scribe a groove of a predetermined depth near and perpendicular to the plurality of fingers of the photovoltaic structure, and the photovoltaic structure can be cleaved along the groove to produce multiple strips that each can include a set of parallel fingers. ... Solarcity Corporation

06/15/17 / #20170170356

Load lock solar cell transfer system and methods

Systems and methods for transferring solar cells while maintaining a controlled micro-environment are provided. In particular, such systems provide automated loading and unloading of solar cells by use of a conveyor and elevator within a tank receptacle sealingly connected with a solar cell carrying pods and a flow tube of solar cell components in a solar cell fabrication process. ... Solarcity Corporation

06/15/17 / #20170170349

Strain relief apparatus for solar modules

A photovoltaic module can be constructed from one or more strings, with each of the strings being constructed from a plurality of cascaded solar cells. A connector can electrically connect the strings to one another. ... Solarcity Corporation

06/15/17 / #20170170348

Systems, methods and apparatus for targeted annealing of pv cells

A targeted-annealing system can automatically cure a conductive paste that may bind cascaded strips of a string together without damaging the strips. The targeted-annealing system can process strings of cascaded strips on a supporting surface, and can anneal conductive paste between overlapping strips by blowing heated air on the overlapping sections of the strips. ... Solarcity Corporation

06/15/17 / #20170170337

Method of installing a strain relief apparatus to a solar cell

Methods are disclosed for assembling pv modules using connectors that have strain relief elements. Strings can be inspected individually and dimensional information can be obtained to layup the strings into a pv module in a specific manner. ... Solarcity Corporation

06/15/17 / #20170170336

Systems and methods for routing wires in a solar module

A solar module that includes multiple series-connected sub-circuits is provided. Each sub-circuit may include multiple solar cell strings coupled in parallel. ... Solarcity Corporation

06/15/17 / #20170170038

Micro-environment container for photovoltaic cells

Devices and methods for transferring solar cells while maintaining a controlled environment are provided. Such devices can include a solar cell carrying pod adapted to support and maintain a stack of solar cells within a sealed micro-environment of inert gas. ... Solarcity Corporation

06/15/17 / #20170170037

Ambidextrous cassette and methods of using same

Devices and methods for transferring solar cells while maintaining a controlled environment are provided. Such devices include a solar cell carrying cassette adapted to support a stack of solar cells within a solar cell carrying pod that maintains a sealed micro-environment of inert gas and allows for automated transfer of solar cells between the pod and a fabrication line. ... Solarcity Corporation

06/15/17 / #20170167044

Systems, methods and apparatus for electroplating photovoltaic cells

A two piece electroplating frame or electroplating frame is disclosed that is suitable for holding multiple solar cells during an electroplating operation. The electroplating frame can be formed from or at least covered with non-conductive material to reduce the collection of plating material on the electroplating frame. ... Solarcity Corporation

06/08/17 / #20170163208

Ratcheting stow mechanism for solar tracking photovoltaic panel mounting system

Photovoltaic tracking systems with a ratcheting stow mechanism are provided. In particular, tracking systems allow for controlled movement of photovoltaic panels adapted for solar tracking to a stowed configuration without requiring electrical power. ... Solarcity Corporation

06/08/17 / #20170162722

Photovoltaic structures with electrodes having variable width and height

A method of fabricating a solar cell is described. The solar cell can include a photovoltaic structure and a metallic grid on the photovoltaic structure. ... Solarcity Corporation

06/01/17 / #20170155355

Interlock system for mounting and joining photovoltaic modules

Assemblies and couplings for mounting pv modules are provided. An assembly is provided to avoid conflicts between linkages used to adjoin adjacent pv modules and leveling feet used to mount the pv modules to supporting structure. ... Solarcity Corporation

05/18/17 / #20170137200

Photovoltaic module stackable corner protector

The disclosure describes various stackable corner protector configurations. The corner protectors can have curved lateral surfaces that allow the corner protectors to be decoupled from a photovoltaic module to which they are coupled to by rotating one end of the corner protectors away from the object. ... Solarcity Corporation

05/11/17 / #20170133977

Photovoltaic array skirt and mounting hardware

A photovoltaic array skirt assembly, where the array skirt has a double-groove structure which can accommodate both a splice and a photovoltaic module mounting device. The splice is mounted within the inner channel of the double-groove structure to connect adjacent array skirt sections, and can be locked into the double groove structure to prevent adjacent array skirt sections from uncoupling. ... Solarcity Corporation

05/11/17 / #20170133943

Solar photovoltaic power conditioning units

A power conditioning unit for delivering power from a dc power source to an ac mains power supply output includes a dc power input to receive dc power from a dc power source, an ac power output for delivering ac power to the ac mains power supply, a dc link coupled between the dc power input and the ac power output, first and second dc-to-dc converters coupled between the dc power input and the dc link, wherein one or both of the first and second dc-to-dc converters comprises a pair of resonant capacitors, a sensing element connected in parallel to one of the pair of the resonant capacitors for sensing a ripple voltage, and a controller operative to control the first and second dc-to-dc converters in response to the sensed ripple voltage.. . ... Solarcity Corporation

04/27/17 / #20170117423

System and method for manufacturing photovoltaic structures with a metal seed layer

One embodiment of the present invention can provide a system for fabrication of a photovoltaic structure. The system can include a physical vapor deposition tool configured to sequentially deposit a transparent conductive oxide layer and a metallic layer on an emitter layer formed in a first surface of a si substrate, without requiring the si substrate to be removed from the physical vapor deposition tool after depositing the transparent conductive oxide layer. ... Solarcity Corporation

04/20/17 / #20170110622

Apparatus for electroplating of electrodes on photovoltaic structures

A wafer-holding apparatus for electroplating of a solar cell wafer is provided. The wafer has chamfered corners and comprises a plurality of busbar areas, wherein at least one busbar area is near an edge of the wafer. ... Solarcity Corporation

03/30/17 / #20170093329

Array powered solar tracking system

A self-powered solar tracker array system and related method, where a torque tube supporting a plurality of strings of photovoltaic (pv) modules, a dc drive motor with a motor controller circuit, and a drive assembly is capable to rotate the torque tube with torque generated by the drive motor, where the power for operating the drive motor is taken from electricity generated by the pv modules. The system can include a battery to provide a power source for rotating the torque tubes when the pv modules are not generating electricity.. ... Solarcity Corporation

03/30/17 / #20170093164

Photovoltaic power conditioning units

We describe a photovoltaic (pv) panel system comprising a pv panel with multiple sub-strings of connected solar cells in combination with a power conditioning unit (microinverter). The power conditioning unit comprises a set of input power converters, one connected to each sub-string, and a common output power conversion stage, to provide power to an ac mains power supply output. ... Solarcity Corporation

03/16/17 / #20170077320

Anti-corrosion protection of photovoltaic structures

One embodiment can provide a photovoltaic structure. The photovoltaic structure can include a multilayer structure, which can include a base layer, a surface-field layer positioned on a first side of the base layer, and an emitter layer positioned on a second side of the base layer. ... Solarcity Corporation

03/09/17 / #20170070051

System, method and apparatus for generating layout of devices in solar installations

For an array of installed energy harvesting devices, a method of gathering information about individual devices in the array and generating a layout or map of the installed devices based on the gathered information is provided. A communications gateway or a base station gathers the information and determines the positions of individual micro-inverters. ... Solarcity Corporation

03/09/17 / #20170070018

Meter socket adaptor

This disclosure pertains to methods and apparatus for interfacing an onsite power generation system with an existing main electric panel. The interfacing is performed by: attaching a fifth jaw connector to a neutral bridge within an existing meter socket; wiring ac supply lines from the onsite power generation system to load side jaws of a five blade meter socket adapter; and wiring a neutral line from the onsite power generation system to a fifth terminal of the meter socket adapter. ... Solarcity Corporation

03/09/17 / #20170067668

Robotic heliostat calibration system and method

A robotic controller for autonomous calibration and inspection of two or more solar surfaces wherein the robotic controller includes a drive system to position itself near a solar surface such that onboard sensors may be utilized to gather information about the solar surface. An onboard communication unit relays information to a central processing network, this processor combines new information with stored historical data to calibrate a solar surface and/or to determine its instantaneous health.. ... Solarcity Corporation

03/02/17 / #20170063287

Support system for photovoltaic mounting rail having cylindrical base that rotates into a locked position

A support system for photovoltaic mounting rails having a cylindrical base that rotates into a locked position.. . ... Solarcity Corporation

03/02/17 / #20170063007

Photovoltaic mounting rail connector with drop-down connection to first photovoltaic module and slide-in connection to second photovoltaic module

A connector for attaching first and second photovoltaic modules to a mounting rail, with a lower body portion that rotates to lock into a mounting rail groove and an upper body portion with a hook that is lowered towards the lower body portion to grasp onto the first photovoltaic module and a key that receives the second photovoltaic module slidably-connected thereon.. . ... Solarcity Corporation

03/02/17 / #20170062876

High efficiency high voltage battery pack for onsite power generation systems

A high-voltage battery pack for an onsite power generation system includes battery modules configured to provide a voltage of at least 170v. High-speed switches and a high-speed current detection circuit are serially coupled between the battery modules and the positive and negative output terminals of the battery pack. ... Solarcity Corporation

03/02/17 / #20170058532

Tile and slate roof flashing systems

A flashing system and assembly for slate or tile roofs having a flashing and a flashing cap. The flashing is shaped to replace a plurality of removed slates or tiles. ... Solarcity Corporation

02/23/17 / #20170054406

Self-configuring photo-voltaic panels

Methods and apparatus for controlling an energy-generation device may be provided. Sockets of the device may be configured to electrically couple to respective energy-generation modules. ... Solarcity Corporation

02/23/17 / #20170054381

Power conditioning unit with voltage converters

A power conditioning unit for delivering power from a power source to a mains utility supply, the power conditioning unit comprising a plurality of input terminals for connecting to the power source, a plurality of output terminals for connecting to the mains utility supply, a voltage increasing converter connected to the input terminals, a voltage reducing converter connected to the voltage increasing converter and a dc-to-ac converter connected to the voltage reducing converter and to the output terminals.. . ... Solarcity Corporation

02/23/17 / #20170054297

Energy generation interconnection

Methods and apparatus for controlling an interconnection device may be provided. Sockets of the interconnection device may be configured to electrically couple to respective energy-generation modules. ... Solarcity Corporation

02/23/17 / #20170054038

Module fabrication of solar cells with low resistivity electrodes

One embodiment of the present invention provides a solar module. The solar module includes a front-side cover, a back-side cover, and a plurality of solar cells situated between the front- and back-side covers. ... Solarcity Corporation

02/23/17 / #20170053043

Systems and methods for locating structures for rooftop solar panel installation

Embodiments of the present technology may include a computer-implemented method to indicate a solar panel mounting location. The method may include receiving, by a processor, a first data set including three-dimensional data for a top side of a roof of a solar panel installation site. ... Solarcity Corporation

02/16/17 / #20170047884

Photovoltaic module mounting system

A photovoltaic (pv) module mounting system including a mounting bracket that has a curved mating surface extending as an arch between a pair of flat mounting feet portions. The mounting bracket supports a pv module coupling device. ... Solarcity Corporation

02/16/17 / #20170047742

Multi-phase inverter power control systems in an energy generation system

An energy generation system includes a plurality of energy generation devices for generating dc power, a plurality of energy storage devices for storing the generated dc power and discharging stored dc power, a plurality of single-phase inverters coupled to respective energy generation devices and energy storage devices. Each single-phase inverter of the plurality of single-phase inverters is configured to convert generated dc power or stored dc power to ac power so that the converted ac power of each single-phase inverter is offset by a phase from one another.. ... Solarcity Corporation

02/16/17 / #20170047741

Multiple energy storage devices for inverter power control systems in an energy generation system

An energy generation system includes an inverter power control system and a plurality of energy storage devices coupled to the inverter power control system. The inverter power control system includes an input configured to receive dc power; a dc/ac inverter stage configured to receive the dc power input; an anti-islanding relay coupled to the output of the dc/ac inverter stage; and a transition relay coupled to the anti-islanding relay, where the transition relay configured to route an output of the inverter power control system between one or more onsite back-up loads and an ac grid. ... Solarcity Corporation

02/16/17 / #20170047740

Multiple inverter power control systems in an energy generation system

A power control system includes a first inverter power control system and a second inverter power control system coupled in a parallel configuration with the first inverter power control system. Both first and second inverter power control systems may each include an input configured to receive direct current (dc) power; a dc to alternating current (ac) inverter stage configured to receive the dc power input; an anti-islanding relay coupled to the output of the dc/ac inverter stage; and a transition relay coupled to the anti-islanding relay. ... Solarcity Corporation

02/02/17 / #20170033731

Solar photovoltaic module clamping system

A clamping system for securing the corners of four photovoltaic modules to a carport purlin, the clamping system having upper and lower body portions with an adjustable set screw between, the gap dimensioned to receive the purlin therein and the set screw rotatable to secure the purlin to the upper body portion. The system also having a pair of pv module connectors at opposite ends of the clamping assembly, each pv module connector adapted to secure a pair of pv modules to the purlin.. ... Solarcity Corporation

02/02/17 / #20170033730

Clip-in mounting system for photovoltaic systems

A photovoltaic (pv) mounting system having a base portion with a plurality of rails. The system includes a spring clip unit having a foot configured to hold a pv module coupling device and arranged to slide on one of the plurality of rails. ... Solarcity Corporation

01/26/17 / #20170025986

Spring loaded mounting foot for photovoltaic systems

A photovoltaic (pv) module mounting system including a mounting puck, an arm portion, and a pv module coupling device for coupling to the frames of two photovoltaic modules attached to the arm portion. A clamp pin formed in the mounting puck restrains the arm portion against the mounting puck when a spring holding the clamp pin is released from a compressed position.. ... Solarcity Corporation

01/19/17 / #20170019057

Wedge spring clip mounting system for photovoltaic modules

A photovoltaic (pv) mounting system having a base portion that is substantially planar and having a first roof-facing side and an opposite module-facing side. The base portion has a lip that circumscribes the perimeter of the base portion and curves inward on the module-facing side. ... Solarcity Corporation

01/19/17 / #20170019056

Clamp and bowl mounting system for photovoltaic modules

A photovoltaic (pv) mounting hardware support system having a base portion. The system includes a hinged clamp having a first clamp portion hingedly connected to a second clamp portion and operable to lock and unlock the first clamp portion and second clamp portion to the base portion. ... Solarcity Corporation








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