Abstract: A method of operating an inverter device configured on a back plane of a solar module, the inverter device comprising an energy recovery circuit device coupled to a rectifier circuit, the method comprising transferring a charge from a rectifier output to a storage capacitor configured in an energy recovery circuit; storing the charge at the storage capacitor for a time period associated with a reverse recovery time; and transferring the charge to an output of a DC bus structure to reduce a diode recovery loss in the rectifier circuit.

Abstract: A solar module device with the master circuit generates the timing signal to synchronize each of the synchronized half wave rectified DC waveform generated by each of the slave circuits to a grid AC signal or a reference AC signal to allow the DC-AC power conversion of a plurality of solar cell groups provided in a module in an on-grid application and an off-grid application.

Abstract: An inverter device for a solar module. The inverter device comprises a slave circuit device that includes an input comprising a DC input from a solar cell group and a preliminary boost circuit. A DC boost circuit is coupled to the preliminary boost circuit and configured to boost the intermediary voltage to an AC RMS peak voltage. A rectifier circuit is coupled to the DC boost circuit. An energy recovery circuit comprises a storage device coupled to the rectifier output. The energy recovery circuit is configured to temporarily store a reverse recovery charge and transfers the reverse recovery charge to an output of a DC bus structure to reduce a diode recovery loss in the rectifier circuit.

Abstract: Power converters and methods of recovering leakage energy in power converters are disclosed. In one embodiment, a power converter assembly includes an input for receiving a direct current (DC) power input, a flyback converter coupled to the input, and a leakage energy recovery circuit coupled to the flyback converter. The flyback converter includes a transformer having a plurality of windings.

Abstract: A solar power system and a solar energy chasing method. Errors may be corrected in the installation area of a solar energy collecting plate with solar cells, particularly, in the installation direction thereof. Therefore, a control angle may be operated and determined, so that the solar cells or the solar energy collecting plate may be rotated precisely in the desired direction. In the case of disposing a plurality of solar energy collecting plates, the solar energy collecting plates may be controlled according to a predetermined rotation angle, thereby increasing solar energy absorbing efficiency.

Abstract: Integrated solar modules are provided. In one example, a corner cap for coupling to a solar module is described. The solar module has a solar panel and a frame circumscribing the solar panel. The corner cap includes a first wall and a second wall. The first wall and the second wall define a corner angle substantially the same as an angle defined by a corner of the solar module. The corner cap includes a flange extending from the corner cap. The flange is configured for coupling the corner cap to a solar module.

Abstract: Transformers and methods of constructing transformers are disclosed. In one embodiment, a method of constructing a transformer includes wrapping a first primary winding around a core, wrapping a secondary winding around the core, and wrapping a second primary winding around the core. The first primary winding traverses substantially an entire circumference of the core in a first circumferential direction. The secondary winding includes a first half and a second half. The first half traverses substantially the entire circumference of the core in the first circumferential direction, and the second half traverses substantially the entire circumference of the core in a second circumferential direction opposite the first circumferential direction. The second primary winding traverses substantially the entire circumference of the core in the second circumferential direction.

Abstract: A solar energy collection assembly includes a wind deflector and a solar module. A method of assembling includes roll forming frame sections of channel from sheet metal, connecting the frame sections to form an upright frame, and attaching the wind deflector and solar module to the frame.

Abstract: An active tracking solar assembly includes a main actuator cable and a secondary cable having a first end and a second end. The first end is connected to the main actuator cable and the second end is connected to a roof weight. An actuator bar has a counter weight attached to a first end and a first pulley attached to a second end, and the secondary cable engages the first pulley.

Abstract: A collapsible rack assembly for supporting a solar module and methods of assembling the same are provided. The assembly is movable from a collapsed position to an assembled position. The assembly comprises a plurality of collapsible frames, each of which comprises a first leg, a second leg, and a third leg. The first leg extends substantially parallel to a support surface. The second leg extends from the first leg at a first angle relative to the first leg when the frame is assembled and supports the solar module at the first angle when assembled. The third leg extends from the first leg at a second angle relative to the first leg when the frame is assembled. The second and third legs are rotatably connected to the first leg. When in the collapsed position the legs are nested so that one of the legs is disposed within another of the legs.

Abstract: The present invention relates to a solar power generation apparatus, which comprises: torque tubes which are arranged to form a plurality of columns; a plurality of solar panels which are installed along each torque tube; posts which rotatably support each torque tube; lever arms which are coupled with each torque tube; a linkage which is disposed on the lower side of the torque tubes and is connected to each lever arm; an actuator which reciprocates the linkage in the longitudinal direction of the linkage, thereby rotating the torque tubes around an axis based on the longitudinal direction of the torque tubes; and a bed frame which is installed between some of the plurality of posts, wherein the actuator is supported thereon.

Abstract: The present invention relates to a synthetic resin bearing for a photovoltaic tracking system including first and second bearing members coupled with each other for forming a bearing assembly, wherein each of the first and second bearing members comprises a pair of side plate members facing each other; a friction member positioned between outer peripheral portions of the pair of side plates and having an arc-shaped section; and a reinforcement member for connecting the pair of side plates and the friction member, and the first and second bearing members have a coupling protrusion and a concave portion for receiving the coupling protrusion at the coupling surfaces thereof.

Abstract: Soft switching power converters are described. In one example, a grid tie solar power converter includes an input for receiving a direct current (DC) power input, an h-bridge coupled to the input, and an output coupled to the h-bridge. The h-bridge includes a plurality of power switches. The output includes a first output node and a second output node. The converter also includes a first output inductor coupled between the h-bridge and the first output node, a second output inductor coupled between the h-bridge and the second output node, and a soft switching circuit coupled to the first output inductor and the second output inductor. The soft switching circuit is configured to facilitate zero voltage switching of the plurality of switches of the h-bridge.

Abstract: A solar energy collection assembly includes a wind deflector and a solar module. A method of assembling includes roll forming frame sections of channel from sheet metal, connecting the frame sections to form an upright frame, and attaching the wind deflector and solar module to the frame.