TBGZS series high-frequency switching power supply DC system is widely used in power plants and substations of all levels, providing DC power for loads such as circuit breaker Opening and closing, relay protection devices, automatic control devices, and a

TBDY series AC/DC integrated power supply system is widely used in power plants and substations of all levels, providing AC & DC power for loads such as circuit breaker opening and closing, relay protection devices, automatic control devices, accident lig

GZS2 series thyristor power supply DC system is widely used in power plants and substations of all levels, providing DC power for loads such as circuit breaker Opening and closing, relay protection devices, automatic control devices, and accident lighting