The invention relates to a voltage stability control method and system, a charging pile and a charging station. The method comprises steps of a voltage signal of the charging pile/charging station being monitored; determining voltage stability of the charging pile/charging station based on the voltage signal of the charging pile/charging station; when the voltage of the charging pile/charging station is unstable, determining a power reference value of the charging pile in the charging pile/charging station based on the voltage signal of the charging pile/charging station; in addition, the technical scheme of the invention further comprises steps of finally determining a pulse signal for controlling a charging pile power converter in the charging pile/charging station according to the powerreference value of the charging pile in the charging pile/charging station; controlling a charging pile power converter in a charging pile/charging station by using the pulse signal; a problem that the voltage of the power grid changes for a short time in the working process of the charging pile/charging station is solved, and the application prospect is wide.
本发明涉及一种电压稳定的控制方法、系统、充电桩及充电站,包括:监测充电桩/充电站的电压信号;基于所述充电桩/充电站的电压信号确定所述充电桩/充电站的电压稳定性;当充电桩/充电站的电压不稳定时,基于所述充电桩/充电站的电压信号确定充电桩/充电站中充电桩的功率参考值;另外,本发明技术方案还包括根据所述充电桩/充电站中充电桩的功率参考值最终确定控制充电桩/充电站中充电桩电源变换器的脉冲信号;利用所述脉冲信号控制充电桩/充电站中充电桩电源变换器;解决了充电桩/充电站的工作过程中电网电压出现电压短时变动的问题,具有广阔的应用前景。
Voltage stability control method and system, charging pile and charging station
一种电压稳定的控制方法、系统、充电桩及充电站
2021-02-02
Patent
Electronic Resource
Chinese
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