Advanced distributed photovoltaic power generation system

At present, distributed photovoltaic power generation systems have been widely used in industrial plant photovoltaic substations, public buildings and residential roofs due to their advantages of high economic benefits, low pollution, alleviation of local power shortage to a certain extent, and low impact on the power grid

The existing distributed photovoltaic power generation system refers to the electric energy system built near the user site, operated by the user's side spontaneous self-consumption, excess electricity on the grid, which follows the principles of local conditions, clean and efficient, decentralized layout, and nearby utilization, makes full use of local solar energy resources, and replaces and reduces fossil energy consumption.

The basic equipment of distributed photovoltaic power generation system mainly includes photovoltaic cell modules, DC combiner boxes, DC distribution cabinets, grid-connected inverters, photovoltaic booster substations and AC distribution cabinets. Under the condition of solar radiation, the photovoltaic cell module of the photovoltaic power generation system converts solar energy into electrical energy, which is centrally sent to the DC distribution cabinet through the DC combiner box, and the grid-connected photovoltaic substation is reversed into AC power into AC distribution cabinet, and at the same time connected to the public distribution network to supply the building's own load. When the photovoltaic system has excess power, it is distributed and utilized through the public distribution network, and when the photovoltaic system is insufficient, it is supplemented by the public distribution network.

The existing technical solutions in the above have the following defects: the light energy conversion efficiency of the existing distributed photovoltaic power generation system is low, which reduces the power supply capacity of the distributed photovoltaic power generation system, and then the load capacity of the distributed photovoltaic power generation system is reduced, and more public distribution is required when the power of the distributed photovoltaic power generation system is insufficient, which affects the economic benefits of the distributed photovoltaic power generation system.

Provide a distributed photovoltaic power generation system, which can improve the light energy conversion efficiency of the distributed photovoltaic power generation system, improve the power supply capacity of the system, improve the load capacity of the distributed photovoltaic power generation system, and then reduce the amount of electricity supplemented by public distribution, so that the economic benefits of the distributed photovoltaic power generation system are improved.

Distributed photovoltaic power generation system, including photovoltaic modules, DC combiner boxes, DC distribution cabinets, grid-connected inverters and AC distribution cabinets, the photovoltaic cell modules convert solar energy into electrical energy, and then send the DC combiner box into the DC distribution cabinet, or, the DC converted DC power of the photovoltaic cell modules is inverted into AC power into the AC distribution cabinet through the grid-connected inverter, the photovoltaic cell modules are connected to the roof of the building by rotating shafts, and further include control modules and electric parts, The electric part is fixed at the end of the shaft, the output end of the control module is electrically connected to the input end of the electric device, and the input end of the control module is connected with a detection module.

electric parts are used to drive the photovoltaic cell module; The detection module is used to obtain the photovoltaic cell module angle data and sunlight angle data; The control module receives the data information of the detection module and outputs a control signal to the electric device until the photovoltaic cell module moves to its front facing the sun.

By adopting the above technical solutions, the photovoltaic cell modules convert solar energy into electrical energy, which is centrally sent to the DC distribution cabinet through the DC combiner box, or the AC power is sent to the AC distribution cabinet through the grid-connected inverter inverter; At the same time, the detection mode obtains the angle data of the photovoltaic cell module and the sunlight angle data, the control module receives the data information of the detection module and outputs the control signal to the electric parts, and the electric parts receive the control signal and drive the shaft to rotate until the photovoltaic cell module moves until its front is facing the sun, and then irradiates more sunlight on the photovoltaic cell module to convert more light energy into electrical energy, so the light energy conversion efficiency of the distributed photovoltaic power generation system is improved to improve the power supply capacity of the system. The load capacity of the distributed photovoltaic power generation system is improved, and the amount of electricity that needs to be supplemented by public distribution is reduced, and the economic benefits of the distributed photovoltaic power generation system are improved.