A modular photovoltaic (PV) system can include a PV cell, a frame coupled to the PV cell, and a converter. The frame is configured to support a plurality of pairs of externally accessible connectors, each pair having a positive voltage connector and a negative voltage connector, the positive voltage connector of each pair of the plurality electrically connected to each other and the negative voltage connector of each pair of the plurality electrically connected to each other. The converter is configured to receive voltage from the PV cell and change the voltage for output at one or more pairs of the externally accessible connectors. The converter may include Maximum Power Point Tracking services to manage the power output from the PV cell. Multiple PV systems may be connected to each other in coplanar and non-coplanar relationships. In some embodiments, the frames have triangular, rectangular, or other polygonal shapes.

The disclosure provides a solar tracking system including a first satellite signal receiver, a second satellite signal receiver, at least one solar panel, and a control module. The first satellite signal receiver is disposed on a part of a mobile vehicle. The second satellite signal receiver is disposed on another part of the mobile vehicle. The at least one solar panel is movably disposed on the mobile vehicle. The control module, electrically is connected to the first satellite signal receiver and the second satellite signal receiver to obtain a line of bearing passing through the first and the second satellite signal receivers according to coordinates of the first and the second satellite signal receivers, thereby pointing the solar panel toward the Sun according to the line of bearing and a current position of the Sun. In addition, the disclosure also provides a solar tracking method.

The present application relates to a modular tower-type solar thermal power generation system, which comprises: a solar thermal collector device configured for collecting solar thermal energy, a heat exchanger connected to the solar thermal collector device and configured for producing superheated saturated steam, and a thermal power conversion device connected to the heat exchanger and configured for converting the superheated saturated steam into electrical energy; the solar thermal collector device comprises a plurality of tower-type solar thermal modules. By adopting a solar power generation system with a modular solar energy collector device, the present application can simplify the construction process, reduce the construction period, and can further reduce design cost and investment cost of a power station, as well as improve the efficiency of the heliostat field; moreover, when one of the single towers malfunctions, the working situations of other tower-type solar thermal modules won't be affected, and thus the continuity and stability of power supply using the whole power generation system are ensure.

Computer-processor controlled energy harvester system. The system uses a plurality of oscillating weight type energy collectors, each configured to store the energy from changes in the system's ambient motion as stored mechanical energy, often in a compressed spring. The energy collectors are configured to move between a first position where the energy collector stores energy, to a second position where the energy collectors release stored energy to a geared electrical generator shaft, thus producing electrical energy, often stored in a battery. A plurality of processor controlled electronic actuators, usually one per energy collector, control when each energy collector stores and releases energy. The processor can use accelerometer sensors, battery charge sensors, and suitable software and firmware to optimize system function. The system can use the energy for various useful purposes, including sensor monitoring, data acquisition, wireless communications, and the like, and can also receive supplemental power from other sources.

Computer-processor controlled energy harvester system. The system uses a plurality of oscillating weight type energy collectors, each configured to store the energy from changes in the system's ambient motion as stored mechanical energy, often in a compressed spring. The energy collectors are configured to move between a first position where the energy collector stores energy, to a second position where the energy collectors release stored energy to a geared electrical generator shaft, thus producing electrical energy, often stored in a battery. A plurality of processor controlled electronic actuators, usually one per energy collector, control when each energy collector stores and releases energy. The processor can use accelerometer sensors, battery charge sensors, and suitable software and firmware to optimize system function. The system can use the energy for various useful purposes, including sensor monitoring, data acquisition, wireless communications, and the like, and can also receive supplemental power from other sources.

A device is provided for vertically attaching to a wall, in particular to a noise barrier, including a frame and at least two tins which have solar panels and are provided on a front face of the frame, wherein at least two supporting projections, each with a bearing for supporting the frame, extend outwards from a rear face of the frame, the fins forming elongate frame struts.

The vehicle management system includes an exposure amount calculation unit that calculates an exposure amount by ultraviolet rays of the vehicle, a selection unit that selects one vehicle from the plurality of vehicles so that the exposure amount between the vehicles is the same based on the exposure amount, and a dispatch instruction unit that gives an instruction to dispatch the selected vehicle.

The vehicle management system includes an exposure amount calculation unit that calculates an exposure amount by ultraviolet rays of the vehicle, a selection unit that selects one vehicle from the plurality of vehicles so that the exposure amount between the vehicles is the same based on the exposure amount, and a dispatch instruction unit that gives an instruction to dispatch the selected vehicle.

Computer-processor controlled energy harvester system. The system uses a plurality of oscillating weight type energy collectors, each configured to store the energy from changes in the system's ambient motion as stored mechanical energy, often in a compressed spring. The energy collectors are configured to move between a first position where the energy collector stores energy, to a second position where the energy collectors release stored energy to a geared electrical generator shaft, thus producing electrical energy, often stored in a battery. A plurality of processor controlled electronic actuators, usually one per energy collector, control when each energy collector stores and releases energy. The processor can use accelerometer sensors, battery charge sensors, and suitable software and firmware to optimize system function. The system can use the energy for various useful purposes, including sensor monitoring, data acquisition, wireless communications, and the like, and can also receive supplemental power from other sources.

Computer-processor controlled energy harvester system. The system uses a plurality of oscillating weight type energy collectors, each configured to store the energy from changes in the system's ambient motion as stored mechanical energy, often in a compressed spring. The energy collectors are configured to move between a first position where the energy collector stores energy, to a second position where the energy collectors release stored energy to a geared electrical generator shaft, thus producing electrical energy, often stored in a battery. A plurality of processor controlled electronic actuators, usually one per energy collector, control when each energy collector stores and releases energy. The processor can use accelerometer sensors, battery charge sensors, and suitable software and firmware to optimize system function. The system can use the energy for various useful purposes, including sensor monitoring, data acquisition, wireless communications, and the like, and can also receive supplemental power from other sources.