严格保证电源正负接线与控制器的正负引线对应连接正确，否则将会烧坏控制器。
Ensure that the positive and negative power supply leads are correctly connected to the corresponding positive and negative controller leads, otherwise the controller will be burned.
通过DSP作为控制器，利用补偿变压器输出可以正负补偿的电压与电网串联，从而实现输出稳定的交流电压。
In this regulator system, a DSP controls bi-directional IGBT triggered and turn-off at zero-crossing to control different combination of secondary coil and realize AC voltage stabilization.
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