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Off-grid energy storage system and control method for off-grid energy storage system
Off-grid energy storage system and control method for off-grid energy storage system
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机译：离网储能系统及离网储能系统的控制方法
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#$%^&*AU2018201471B220190711.pdf#####CP0018-08-0007 ABSTRACT An off-grid energy storage system includes n energy storage inverters identified by P1 , P2, .. ,Pn sequentially, direct current sides of the inverters are connected to storage batteries, 5 and alternate current sides of the inverters are connected in parallel. The storage battery connected to the direct current side of Pj is identified by Bj, where j=2, 3, ... , n. A control system for an output waveform of Pi has a voltage-current double loop control structure, and a control system for an output waveform of Pj has a current loop control structure. A current loop given value of Pj is obtained by adding a current correction value of P to a current loop 0 given value of P. The current correction value of Pj is used for causing Bj to have the same operating parameter as B1 .CP0018-08-0007 Alternate current bus Direct Direct Direct current input current input current input Pi 2••• Pn Bi B2 •••••• Bn Figure 2 10 20 Operating + Current parameter X knN correction ofI value of P Operating parameter of Bi Figure 3 -I2I/ 3 -
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