摘要：【中文】本发明公开的一种可调式智能电容器，可变电容组件通过接触器连接至三相电源，可变电容器上设置有电容调节器；电流互感器串接在每个接触器回路上，用于采集每个接触器回路的电流，并发送给电压过零检测与涌流检测单元；电压过零检测与涌流检测单元串接在三相电源的A相和B相输入端上，用于接收电流互感器发送的电流，以及接触器回路电压的过零检测信号，并将信号发送给主控单元；主控单元用于对接收到的检测信号和电流信号进行处理，并发送至驱动电路，从而控制接触器和电容调节器执行相应动作。本发明通过对接触器节点电压的过零控制以及电流检测，控制补偿电容器的投切，并在投切瞬间对可变电容进行电容调节。 【EN】The invention discloses an adjustable intelligent capacitor.A variable capacitor assembly is connected to a three-phase power supply through a contactor, and a capacitance regulator is arranged on the variable capacitor; the current transformer is connected in series with each contactor loop and used for collecting the current of each contactor loop and sending the current to the voltage zero-crossing detection and inrush current detection unit; the voltage zero-crossing detection and inrush current detection unit is connected in series with the input ends of the A phase and the B phase of the three-phase power supply, and is used for receiving the current sent by the current transformer and a zero-crossing detection signal of the voltage of the contactor loop and sending the signal to the main control unit; the main control unit is used for processing the received detection signal and the current signal and sending the processed detection signal and the current signal to the driving circuit so as to control the contactor and the capacitance regulator to execute corresponding actions. The invention controls the switching of the compensation capacitor by the zero-crossing control and the current detection of the contactor node voltage, and performs capacitance adjustment on the variable capacitor at the switching moment.