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Off-grid energy storage system and control method for off-grid energy storage system

机译:离网储能系统及离网储能系统的控制方法

摘要

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, 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 P1 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 Pj to a current loop given value of P1. The current correction value of Pj is used for causing Bj to have the same operating parameter as B1.
机译:离网储能系统包括n个由P 1 ,P 2 ,...标识的储能逆变器。 。 。 ,P n 依次将逆变器的直流侧连接到蓄电池,并将逆变器的交流侧并联连接。连接到P j 的直流侧的蓄电池由B j 标识,其中j = 2、3,...。 。 。 ,n。 P 1 的输出波形的控制系统具有电压-电流双回路控制结构,P j 的输出波形的控制系统具有电流-回路控制结构体。通过将当前的校正值P j 与当前的给定值P 1 相加,可以获得当前的给定值P j 。 P j 的当前校正值用于使B j 具有与B 1 相同的工作参数。

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