This standard specifies the use conditions, technical requirements, performance requirements, inspection requirements and other aspects of the secondary devices on the AC side of the AC-DC hybrid distribution network. This specification is applicable to AC and DC power distribution facilities of AC 10kV (20kV)/DC ±10kV and below, such as protection, measurement and control, safety equipment used in AC side column switches, ring main units, switching stations or box-type substations. device.
T/CEC 273-2019 history
2019T/CEC 273-2019 Technical Specifications for AC-side Secondary Devices of AC-DC Hybrid Distribution Network