Ultrahigh-reliability power supply system for polymorphic power quality control device

The utility model provides an ultrahigh-reliability power supply system for a polymorphic power quality control device. Under the condition that a 380V power supply can not be provided for an electricenergy quality control device in a high and new technology industrial park. According to the utility model, the power supply system directly takes power from a power distribution network with a 10kVvoltage grade; according to the utility model, a power supply voltage reduction transformer in the system is connected with two paths of UPSs to form a dual-power intelligent switching power supply mode, and finally, a high-capacity switching power supply provides a safe and reliable control power supply for the power quality control device, thereby solving the safety problem of the control powersupply of the power quality control device under the condition of power grid voltage sag. 本实用新型提出了一种用于多态电能质量治理装置的超高可靠性供电系统。在高新技术工业园区无法为电能质量治理装置提供380V供电电源的情况下，本实用新型所述供电系统直接从10kV电压等级的配电网取电，经过系统中的供电降压变压器，并与两路UPS连接，形成双电源智能切换供电模式，最后