Multi-machine parallel system and control method of single-phase hybrid energy storage inverters
A hybrid energy storage and inverter technology, which is applied in the direction of single-network parallel feeding arrangement, photovoltaic power generation, AC network circuit, etc., can solve problems such as failure to achieve balance and system oscillation back and forth
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[0042] The specific implementation of this embodiment will be described below with reference to the drawings.
[0043] The multi-machine parallel system of the single-phase hybrid energy storage inverter includes N systems, including a master system and N-1 slave systems.
[0044] image 3 It is a schematic diagram of the system structure of the present invention. in image 3 In the illustrated embodiment, a master system and a slave system are included.
[0045] The main system includes a main battery board 11, a main battery 21 and a main hybrid energy storage inverter 31. The power output port of the main battery panel 11 is connected to the photovoltaic port of the main hybrid energy storage inverter 31. The power input port of the main battery 21 is connected to the battery port of the main hybrid energy storage inverter 31. The main EMS 81 is installed in the main hybrid energy storage inverter 31. The grid port of the main hybrid energy storage inverter 31 is connected to ...
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