This standard specifies general technical specifications and safety requirements for DC power supply equipment, integrated power supply equipment of power projects.This standard specifies requirements for test methods, test rules, marking, packaging,transport,storage and so on.
This standard is applicable to DC power supply equipment, integrated power supply equipment of power projects (hereafter referred to as “equipment”),and used as the basis of product designing,manufacturing,testing and using.Other uncovered power devices can refer to this standard.
定价: 684元 / 折扣价: 582 元 加购物车
This standard specifies basic testing method for relaying protection and security automatic equipment.
This standard is applicable to the test of allornothing relays, measuring relays, protection equipment, security automatic equipment (protection equipment and security automatic equipment hereinafter referred to as equipment) in power system secondary circuit and their interface equipment.
定价: 1176元 / 折扣价: 1000 元 加购物车