Abstract: A distributed solar power generation and hot water supplying system includes: a photovoltaic power generation self-service sun tracking system, an inverter, a controller, a storage battery, a heat-exchanging water tank and an electric heater provided therein, wherein a solar battery and a solar collector are mounted on the photovoltaic power generation self-service sun tracking system, an electricity output terminal of the photovoltaic power generation self-service sun tracking system is respectively connected to an inversing input terminal of an inverter and a surplus power supplying input terminal of a controller; an MCU-controlled power output terminal of the inverter is respectively connected for off-grid power consumption or grid-connected power generation, and to an inversing output terminal of the controller; a charging/discharging control output/input terminal inside the inverter is connected to an input/output terminal of the storage battery and a storage battery power supplying input terminal of the

Abstract: A shield grounding device includes: a grounding angle steel (1); a flat iron (9) mounted on a top portion of the shield grounding device; and a laminated board (5) connected to overground wires; wherein two shield connection boards (2) vertical to each other are respectively connected to two external surfaces of an top end of the grounding angle steel, the shield connection boards are vertically mounted on each other by a locating supporter (3), fixing holes (4) are drilled on the shield connection boards for connecting the flat iron and the laminated board. The device solves problems of conventional grounding devices that a grounding resistance is increased and a grounding effect is poor caused by unstable welding quality of grounding electrodes and the flat iron. Besides, site operation difficulty is sufficiently lowered, labor intensity is decreased, and labor efficiency is increased, in such a manner that a cost is lowered.

Abstract: A distributed solar power generation and hot water supplying system includes: a photovoltaic power generation self-service sun tracking system, an inverter, a controller, a storage battery, a heat-exchanging water tank and an electric heater provided therein, wherein a solar battery and a solar collector are mounted on the photovoltaic power generation self-service sun tracking system, an electricity output terminal of the photovoltaic power generation self-service sun tracking system is respectively connected to an inversing input terminal of an inverter and a surplus power supplying input terminal of a controller; an MCU-controlled power output terminal of the inverter is respectively connected for off-grid power consumption or grid-connected power generation, and to an inversing output terminal of the controller; a charging/discharging control output/input terminal inside the inverter is connected to an input/output terminal of the storage battery and a storage battery power supplying input terminal of the

Abstract: A control method of an off-grid/grid-connected integrated solar power generation system includes steps of: selecting an off-grid mode or a grid-connected mode by a system operation mode controller, and controlling work states of an electrical input orientation driver, a generation and storage driver, and an electrical output orientation driver by a logical control unit according to feedback of a solar panel, an inverter, a storage battery charging controller, and a storage battery matrix, in such a manner that the off-grid/grid-connected integrated solar power generation system circularly repeats storage and output of solar electrical power in the off-grid mode or the grid-connected mode. An off-grid/grid-connected integrated solar power generation system is also provided. The system and the method are able to meet user requirements of off-grid and grid-connected generation of a solar power generation system, and are able to store and copy peak power of an external power grid.

Abstract: A shield grounding device includes: a grounding angle steel (1); a flat iron (9) mounted on a top portion of the shield grounding device; and a laminated board (5) connected to overground wires; wherein two shield connection boards (2) vertical to each other are respectively connected to two external surfaces of an top end of the grounding angle steel, the shield connection boards are vertically mounted on each other by a locating supporter (3), fixing holes (4) are drilled on the shield connection boards for connecting the flat iron and the laminated board. The device solves problems of conventional grounding devices that a grounding resistance is increased and a grounding effect is poor caused by unstable welding quality of grounding electrodes and the flat iron. Besides, site operation difficulty is sufficiently lowered, labor intensity is decreased, and labor efficiency is increased, in such a manner that a cost is lowered.