SunPower Patent Applications

Remote Array Mapping

Granted: April 15, 2021
Application Number: 20210111672
Electrical component location is provided. Employed location techniques may include providing a signal, having components to be located sense the signal and report back the sensed signal, and determining relative locations for one or more of the components using the sensed signals reported by the components.

TRENCH PROCESS AND STRUCTURE FOR BACKSIDE CONTACT SOLAR CELLS WITH POLYSILICON DOPED REGIONS

Granted: March 25, 2021
Application Number: 20210091249
A solar cell includes polysilicon P-type and N-type doped regions on a backside of a substrate, such as a silicon wafer. A trench structure separates the P-type doped region from the N-type doped region. Each of the P-type and N-type doped regions may be formed over a thin dielectric layer. The trench structure may include a textured surface for increased solar radiation collection. Among other advantages, the resulting structure increases efficiency by providing isolation between…

PHOTOVOLTAIC SYSTEM MONITORING AND ANALYSIS

Granted: March 25, 2021
Application Number: 20210088565
A method for monitoring a photovoltaic (PV) system includes receiving PV system information for a predetermined timeframe; displaying a power flow based on the received PV system information corresponding to the predetermined timeframe; displaying energy storage system information based on the received PV system information corresponding to the predetermined timeframe; and displaying an energy mix analysis based on the received PV system information corresponding to the predetermined…

METHOD AND APPARATUS OF FABRICATING A SOLAR CELL DEVICE

Granted: February 25, 2021
Application Number: 20210057595
Solar cell devices as well as method and apparatus for producing solar cell devices are disclosed. Aspects of the disclosure provide a solar cell device that includes a string of solar cells. The string of solar cells are conductively connected in series and arranged in a shingled manner with sides of adjacent solar cells being overlapped. A first metal ribbon segment is conductively bonded to a front surface of an end cell, the front surface being configured to face a light incoming…

SOLAR PANEL

Granted: January 21, 2021
Application Number: 20210020800
A high efficiency configuration for a solar cell module comprises solar cells arranged in an overlapping shingled manner and conductively bonded to each other in their overlapping regions to form super cells, which may be arranged to efficiently use the area of the solar module.

GENERATING A PHOTOVOLTAIC SYSTEM DESIGN FOR A BUILDING

Granted: November 19, 2020
Application Number: 20200364382
A solar design generation system is configured to design a solar panel or photovoltaic (PV) system for the roof of building. A server includes processing circuitry configured to receive information from a remote device, including an address corresponding to a building having a roof, automatically generate a solar design in real time based on the received information, and display the solar design to a user. The user can interact with the solar design in various ways to accommodate,…

SHINGLED SOLAR CELLS OVERLAPPING ALONG NON-LINEAR EDGES

Granted: October 8, 2020
Application Number: 20200321483
Solar devices and methods for producing solar devices are disclosed. In some examples, a solar device includes solar cells arranged in a shingled manner such that adjacent long edges of adjacent ones of the solar cells overlap. The adjacent long edges have a non-linear shape that has protruding portions. The solar device includes contact pads arranged in the protruding portions of the adjacent long edges such that the contact pads of the adjacent ones of the solar cells are electrically…

ESTIMATING PERFORMANCE OF PHOTOVOLTAIC SYSTEMS

Granted: September 17, 2020
Application Number: 20200294160
An energy evaluation system includes an energy system modeling framework and an Application Program Interface (API) as part of the energy system evaluation framework. The energy evaluation system can be configured to query a simulation application program interface (API) with PV system configuration parameters as arguments, generate a shade loss time series based on the system configuration parameters, simulate energy output for the PV system based on the shade loss time series, and…

AGGREGATED PHOTOVOLTAIC PANELS

Granted: August 20, 2020
Application Number: 20200266759
Photovoltaic panels may be aggregated in various ways and may be aggregated with the use of a backplane where the backplane comprises electrical connectors positioned to electrically connect the PV panels. The PV panels may have various sizes and shapes and may overlap one or more other PV panels or PV panels being aggregated.

CLAMPS FOR SOLAR SYSTEM

Granted: August 13, 2020
Application Number: 20200259450
A solar power system can include a rail and a solar module disposed on the rail. A clamp assembly can couple the solar module to the rail. The clamp assembly can have a clamped configuration in which the solar module is secured to the rail and an unclamped configuration. The clamp assembly can comprise an upper clamp member, a lower clamp member coupled to the rail, and a stabilization member mechanically engaging the upper clamp member and the lower clamp member. The stabilization…

SOLAR CELL WITH REDUCED BASE DIFFUSION AREA

Granted: July 2, 2020
Application Number: 20200212234
In one embodiment, a solar cell has base and emitter diffusion regions formed on the back side. The emitter diffusion region is configured to collect minority charge carriers in the solar cell, while the base diffusion region is configured to collect majority charge carriers. The emitter diffusion region may be a continuous region separating the base diffusion regions. Each of the base diffusion regions may have a reduced area to decrease minority charge carrier recombination losses…

SYSTEMS AND METHODS FOR REWORKING SHINGLED SOLAR CELL MODULES

Granted: June 18, 2020
Application Number: 20200195193
A high efficiency configuration for a solar cell module comprises solar cells arranged in a shingled manner to form super cells, which may be arranged to efficiently use the area of the solar module, reduce series resistance, and increase module efficiency. Removing a defective solar cell from a super cell may be difficult, however. It may therefore be advantageous to bypass defective solar cells in a super cell rather than remove and replace them. A bypass conductor may be applied to…

METHOD FOR RECYCLING SUB-MICRON SI-PARTICLES FROM A SI WAFER PRODUCTION PROCESS

Granted: June 18, 2020
Application Number: 20200189919
A method is provided for recycling sub-micron Si-particles from a Si wafer production process resulting from a diamond fixed abrasive process including slicing and cutting, the method including the steps of: providing a paste of sub-micron Si-particles resulting from the diamond fixed abrasive process; drying and shaping the paste of sub-micron Si-particles into a layer; and applying a zone melting step to the dried and shaped layer of Si-particles on a substrate.

PROCESS AND STRUCTURES FOR FABRICATION OF SOLAR CELLS

Granted: June 11, 2020
Application Number: 20200185546
Contact holes of solar cells are formed by laser ablation to accommodate various solar cell designs. Use of a laser to form the contact holes is facilitated by replacing films formed on the diffusion regions with a film that has substantially uniform thickness. Contact holes may be formed to deep diffusion regions to increase the laser ablation process margins. The laser configuration may be tailored to form contact holes through dielectric films of varying thicknesses.

AUTOMATED SOLAR COLLECTOR INSTALLATION DESIGN INCLUDING VERSION MANAGEMENT

Granted: May 28, 2020
Application Number: 20200167706
Embodiments may include systems and methods to create and edit a representation of a worksite, to create various data objects, to classify such objects as various types of predefined “features” with attendant properties and layout constraints. As part of or in addition to classification, an embodiment may include systems and methods to create, associate, and edit intrinsic and extrinsic properties to these objects. A design engine may apply of design rules to the features described…

INTERCONNECTION OF SOLAR CELLS IN A SOLAR CELL MODULE

Granted: May 21, 2020
Application Number: 20200161490
A solar cell module includes serially connected solar cells. A solar cell includes a carrier that is attached to the backside of the solar cell. Solar cells are attached to a top cover, and vias are formed through the carriers of the solar cells. A solar cell is electrically connected to an adjacent solar cell in the solar cell module with metal connections in the vias.

STRING INVERTER SYSTEM

Granted: May 14, 2020
Application Number: 20200153357
A multi-inverter system with at least a string of inverters sharing a DC bus and outputting to a shared AC bus. Inverters are hot-swappable and configured to be turned on or off during powered cycles. Central control may comprise reducing power point tracking redundancies or promoting other operational changes at individual inverters of a group.

Plug-In Distributed Energy Resource

Granted: May 7, 2020
Application Number: 20200144821
Systems and methods regarding distributed energy resource systems (DERs) are described. Configurations and employed methods may include sending a command to a DER system to place the DER system in one or more of a charge state, a discharge state, an idle state, or a reactive power state. These DER systems may include an energy storage circuit, a dc/ac converter configured to receive a DC voltage from the storage circuit and convert the received DC voltage for receipt by an external AC…

STRUCTURES AND METHODS FOR FORMING ELECTRODES OF SOLAR CELLS

Granted: April 23, 2020
Application Number: 20200127150
Solar cells are attached together to form a plating assembly. The plating assembly is attached to a belt, which transports the plating assembly through a plating chamber where metal is electroplated on the solar cells. The electroplated metal is patterned to form metal contact fingers. After the metal is electroplated, the plating assembly is singulated to separate the two solar cells.

MICROINVERTER SYSTEMS AND SUBSYSTEMS

Granted: April 16, 2020
Application Number: 20200119567
An alternating current (AC) module system includes branch circuits and a main service panel to receive power from the branch circuits. A photovoltaic (PV) supervisor is located between the branch circuits and the panel. The PV supervisor aggregates the power from the branch circuits. The PV supervisor also performs a nonredundant operational function for one or more of the branch circuits. The PV supervisor includes a gateway device to permit control of the operational functions.