An apparatus and system for flexibly mounting a power module to a photovoltaic (PV) module. In one embodiment, the apparatus comprises a plurality of distributed mounting points adapted to be adhered to a face of the PV module for mechanically coupling the power module to the PV module, wherein the plurality of distributed mounting points flexibly retain the power module such that the PV module is able to flex without subjecting the power module to stress from flexure of the PV module.

The invention relates to a protector for connection cables (21) and junction boxes (15a, 15b) for photovoltaic modules (1, 1a, 1b, . . . ) in a photovoltaic assembly (100), characterized in that it comprises: a cover plate (33), with dimensions sufficient to cover, when installed in the photovoltaic assembly between adjacent corners of at least two neighbouring photovoltaic modules (1, 1a, 1b, . . . ), the junction boxes and at least a portion of connecting cables (21) of said photovoltaic modules (1, 1a, 1b, . . . ), when installed, a spacing element (35), situated, when installed, between the cover plate (33) and a roof or support for the photovoltaic assembly (100), maintaining said cover plate (33) and roof or support at a distance corresponding to at least a maximum height of the photovoltaic modules (1, 1a, 1b, . . . ), attached, when assembled, to the cover plate (33).

The invention relates to a protector for connection cables (21) and junction boxes (15a, 15b) for photovoltaic modules (1, 1a, 1b, . . . ) in a photovoltaic assembly (100), characterized in that it comprises: a cover plate (33), with dimensions sufficient to cover, when installed in the photovoltaic assembly between adjacent corners of at least two neighbouring photovoltaic modules (1, 1a, 1b, . . . ), the junction boxes and at least a portion of connecting cables (21) of said photovoltaic modules (1, 1a, 1b, . . . ), when installed, a spacing element (35), situated, when installed, between the cover plate (33) and a roof or support for the photovoltaic assembly (100), maintaining said cover plate (33) and roof or support at a distance corresponding to at least a maximum height of the photovoltaic modules (1, 1a, 1b, . . . ), attached, when assembled, to the cover plate (33).

A monitoring/control system is used for a solar power generation site in which a large number of solar modules includes a plurality of solar cell groups each including a plurality of solar cells, wherein power generation output from each of the solar cell groups is connected in parallel from a cell group controller to an in-module parallel connection line, and the in-module parallel connection line is connected in parallel from an optimizer to an inter-solar-module parallel connection line and is concentrated in a junction box. The monitoring/control system includes a relay terminal collecting data of the cell group controller and accumulating data of the optimizer, a server including a communication control device and carrying out an upload/download process of management/control data via a public telecommunication network between the relay terminal and a remote terminal at an integrated management site, and the remote information terminal installed at a remote site.

A monitoring/control system is used for a solar power generation site in which a large number of solar modules includes a plurality of solar cell groups each including a plurality of solar cells, wherein power generation output from each of the solar cell groups is connected in parallel from a cell group controller to an in-module parallel connection line, and the in-module parallel connection line is connected in parallel from an optimizer to an inter-solar-module parallel connection line and is concentrated in a junction box. The monitoring/control system includes a relay terminal collecting data of the cell group controller and accumulating data of the optimizer, a server including a communication control device and carrying out an upload/download process of management/control data via a public telecommunication network between the relay terminal and a remote terminal at an integrated management site, and the remote information terminal installed at a remote site.

A junction box used for making electrical connections to a photovoltaic panel. The junction box has two chambers including a first chamber and a second chamber and a wall common to and separating both chambers. The wall may be adapted to have an electrical connection therethrough. The two lids are adapted to seal respectively the two chambers. The two lids are on opposite sides of the junction box relative to the photovoltaic panel. The two lids may be attachable using different sealing processes to a different level of hermeticity. The first chamber may be adapted to receive a circuit board for electrical power conversion. The junction box may include supports for mounting a printed circuit board in the first chamber. The second chamber is configured for electrical connection to the photovoltaic panel. A metal heat sink may be bonded inside the first chamber.

A junction box used for making electrical connections to a photovoltaic panel. The junction box has two chambers including a first chamber and a second chamber and a wall common to and separating both chambers. The wall may be adapted to have an electrical connection therethrough. The two lids are adapted to seal respectively the two chambers. The two lids are on opposite sides of the junction box relative to the photovoltaic panel. The two lids may be attachable using different sealing processes to a different level of hermeticity. The first chamber may be adapted to receive a circuit board for electrical power conversion. The junction box may include supports for mounting a printed circuit board in the first chamber. The second chamber is configured for electrical connection to the photovoltaic panel. A metal heat sink may be bonded inside the first chamber.

A solar cell for a solar cell array with one or more grid on a surface thereof, wherein electrical connections are made to the grids in a plurality of locations positioned around the solar cell; and the electrical connections extend to one or more conductors located under the solar cell. The conductors located under the solar cell are buried within a substrate, and each of the conductors comprises a low resistance conducting path that distributes current from the solar cell. The conductors are loops, U-shaped, or have only up or down pathways. The solar cell comprises a full cell that has four cropped corners and the locations are in the cropped corners.

A solar cell for a solar cell array with one or more grid on a surface thereof, wherein electrical connections are made to the grids in a plurality of locations positioned around the solar cell; and the electrical connections extend to one or more conductors located under the solar cell. The conductors located under the solar cell are buried within a substrate, and each of the conductors comprises a low resistance conducting path that distributes current from the solar cell. The conductors are loops, U-shaped, or have only up or down pathways. The solar cell comprises a full cell that has four cropped corners and the locations are in the cropped corners.

A photovoltaic power generation system includes a protection switch and a plurality of DC-DC converters. Each DC-DC converter includes a direct current bus, a DC-DC circuit, and at least one input interface. The input interface is configured to connect to a photovoltaic unit. The photovoltaic unit includes at least one photovoltaic module. The input interface is connected to the direct current bus by using the protection switch, the direct current bus is connected to an input end of the DC-DC circuit, and an output end of the DC-DC circuit is an output end of the DC-DC converter. The protection switch includes a release device and a switching device that are connected in series. The release device is configured to: when a short-circuit fault occurs on a line in which the release device is located, control the switching device to be disconnected.