Abstract: Various implementations described herein are directed to methods for connecting power devices prior to deployment in a photovoltaic installation, for cost savings and easy deployment. Some embodiments disclosed herein include manufacturing a chain of power devices already coupled by conductors, and providing a mechanical assembly for convenient storage and deployment.

Abstract: An apparatus comprising an input stage comprising a first input, a second input, a first AC coupler, and a second AC coupler. The first AC coupler is coupled between the first input and a third input. The second AC coupler is coupled between the second input and a fourth input. A comparator coupled to the third input, the fourth input, and an output. The comparator provides an output signal at the output based on a comparison between a level of a first voltage at the third input, and a level of a second voltage at the fourth input. A feedback circuit, coupled to the output, the third input, and the fourth input. The feedback circuit receives the output signal, and provides, based on the output signal, a first feedback voltage to the third input.

Abstract: Methods for deploying connected power devices and systems of connected power devices prior to deployment in a photovoltaic installation are described. For example, a string of power devices pre-coupled by conductors is disclosed, which saves cost, provides convenient storage, reduces electromagnetic interference, and is easy to deploy.

Abstract: A power line communication device including a current path provided between a first terminal and a second terminal. A coupling circuit connected between the first and second terminals includes a first circuit of a first inductor connected in parallel with a first capacitor and a first resistor. A sensor is configured to sense a communication parameter of the coupling circuit. The communication parameter may be a resonance of the first circuit, the quality (Q) factor of the resonance, the bandwidth (BW) of the coupling circuit, the resistance of the first resistor, or the impedance of the first circuit. A transceiver is adapted to couple to the first and second terminal to transmit a signal onto the current path or receive a signal from the current path responsive to the parameter of the coupling circuit and a level of current in the current path sensed by the sensor.

Abstract: Various implementations described herein are directed to methods for connecting power devices prior to deployment in a photovoltaic installation, for cost savings and easy deployment. Some embodiments disclosed herein include manufacturing a chain of power devices already coupled by conductors, and providing a mechanical assembly for convenient storage and deployment.

Abstract: A fully isolated drive circuit to be used for regulating an output voltage across a load. The isolated drive circuit may charge, discharge, or preserve the load charge using a controller that controls one or more switches. The controller may operate a switch according to an internal/external clock or an external control signal received by the controller. The isolated drive circuit may be an effective solution to simplify the drive design and decrease the amount of energy dissipated by the drive, especially when the load, associated with the drive, requires a high input voltage level.

Abstract: A driver for improving reliability of a switch in a power device, comprising one or more sensors configured to sense an operational parameter of a power device. The driver comprises a controller configured to receive one or more sensor values from the respective sensors. The controller is configured to adjust a driving pulse according to the sensor values. The controller is configured to apply the driving pulse to one or more control terminal of one or more switch of the power device.

Abstract: A power line communication device including a current path provided between a first terminal and a second terminal. A coupling circuit includes a first circuit of a first inductor connected in parallel with a first capacitor and a first resistor, wherein the coupling circuit is connected between the first and second terminals. A sensor is configured to sense a communication parameter of the coupling circuit. The communication parameter may be a resonance of the first circuit, the quality (Q) factor of the resonance, the bandwidth (BW) of the coupling circuit, the resistance of the first resistor, or the impedance of the first circuit. A transceiver is adapted to couple to the first and second terminal to transmit a signal onto the current path or receive a signal from the current path responsive to the parameter of the coupling circuit and a level of current in the current path sensed by the sensor.

Abstract: A driver for improving reliability of a switch in a power device, comprising one or more sensors configured to sense an operational parameter of a power device. The driver comprises a controller configured to receive one or more sensor values from the respective sensors. The controller is configured to adjust a driving pulse according to the sensor values. The controller is configured to apply the driving pulse to one or more control terminal of one or more switch of the power device.

Abstract: A fully isolated drive circuit to be used for regulating an output voltage across a load. The isolated drive circuit may charge, discharge, or preserve the load charge using a controller that controls one or more switches. The controller may operate a switch according to an internal/external clock or an external control signal received by the controller. The isolated drive circuit may be an effective solution to simplify the drive design and decrease the amount of energy dissipated by the drive, especially when the load, associated with the drive, requires a high input voltage level.

Abstract: A driver for improving reliability of a switch in a power device, comprising one or more sensors configured to sense an operational parameter of a power device. The driver comprises a controller configured to receive one or more sensor values from the respective sensors. The controller is configured to adjust a driving pulse according to the sensor values. The controller is configured to apply the driving pulse to one or more control terminal of one or more switch of the power device.

Abstract: A power converter includes an input circuit, an output circuit and a controller. The output circuit may comprise a plurality of output terminals configured to be connected to a plurality of loads. The input circuit may comprise a plurality of input terminals configured to be connected to one or more power sources. An inductive element may be coupled between the input circuit and the output circuit. The output circuit may feature one or more voltage compensation circuits connected between two output terminals, the voltage compensation circuits activated to compensate an output voltage at one of the two output terminals.

Abstract: A driver for improving reliability of a switch in a power device, comprising one or more sensors configured to sense an operational parameter of a power device. The driver comprises a controller configured to receive one or more sensor values from the respective sensors. The controller is configured to adjust a driving pulse according to the sensor values. The controller is configured to apply the driving pulse to one or more control terminal of one or more switch of the power device.

Abstract: Various implementations described herein are directed to methods for connecting power devices prior to deployment in a photovoltaic installation, for cost savings and easy deployment. Some embodiments disclosed herein include manufacturing a chain of power devices already coupled by conductors, and providing a mechanical assembly for convenient storage and deployment.

Abstract: A power converter includes an input circuit, an output circuit and a controller. The output circuit may comprise a plurality of output terminals configured to be connected to a plurality of loads. The input circuit may comprise a plurality of input terminals configured to be connected to one or more power sources. An inductive element may be coupled between the input circuit and the output circuit. The output circuit may feature one or more voltage compensation circuits connected between two output terminals, the voltage compensation circuits activated to compensate an output voltage at one of the two output terminals.

Abstract: Various implementations described herein are directed to employing photovoltaic strings including a photovoltaic power device with a specialized wiring configuration, which enables high string efficiency without incurring excessive wiring costs. Implementations may include a cable built into photovoltaic generators that carry one portion of the current, and other portions of the current may be carried by direct-current (DC) or alternating-current (AC) cables bypassing the photovoltaic generators.

Abstract: A power line communication device including a current path provided between a first terminal and a second terminal. A coupling circuit includes a first circuit of a first inductor connected in parallel with a first capacitor and a first resistor, wherein the coupling circuit is connected between the first and second terminals. A sensor is configured to sense a communication parameter of the coupling circuit. The communication parameter may be a resonance of the first circuit, the quality (Q) factor of the resonance, the bandwidth (BW) of the coupling circuit, the resistance of the first resistor, or the impedance of the first circuit. A transceiver is adapted to couple to the first and second terminal to transmit a signal onto the current path or receive a signal from the current path responsive to the parameter of the coupling circuit and a level of current in the current path sensed by the sensor.

Abstract: Various implementations described herein are directed to methods for connecting power devices prior to deployment in a photovoltaic installation, for cost savings and easy deployment. Some embodiments disclosed herein include manufacturing a chain of power devices already coupled by conductors, and providing a mechanical assembly for convenient storage and deployment.

Abstract: Various implementations described herein are directed to employing photovoltaic strings including a photovoltaic power device with a specialized wiring configuration, which enables high string efficiency without incurring excessive wiring costs. Implementations may include a cable built into photovoltaic generators that carry one portion of the current, and other portions of the current may be carried by direct-current (DC) or alternating-current (AC) cables bypassing the photovoltaic generators.

Abstract: A power harvesting system including multiple parallel-connected photovoltaic strings, each photovoltaic string includes a series-connection of photovoltaic panels. Multiple voltage-compensation circuits may be connected in series respectively with the photovoltaic strings. The voltage-compensation circuits may be configured to provide respective compensation voltages to the photovoltaic strings to maximize power harvested from the photovoltaic strings. The voltage-compensation circuits may be include respective inputs which may be connected to a source of power and respective outputs which may be connected in series with the photovoltaic strings.