The paper finds out a formula to estimate the inductance value of current following inverter on the basis of tracking instruction current signal by hysteretic comparison. 从采用滞环比较方式跟踪指令电流信号出发,推导出电流跟踪型逆变器中输出电感值的估算公式。
The output of voltage external loop with PI regulator is considered as current component of active power, and the error of feedback input current and instruction current is considered as input of two inner loops current hysteresis regulators. 控制系统电压外环用PI调节器输出有功指令电流分量,反馈输入电流与指令电流的误差作为两个电流滞环调节器的输入。
In the paper, the principle of balance-compensating is analyzed. The relationship between the instruction current required and the load current is deduced. The method to generate instruction current is studied. 文中分析了平衡补偿的原理;推导出了平衡补偿装置所需指令电流与负荷电流之间的关系;研究了指令电流的生成方法;探究了三相四桥臂平衡补偿装置的调节控制方案。