DIN 17405
Soft Magnetic Materials for Direct Current Relays; Technical Conditions of Delivery
直流继电器用软磁材料；交货技术条件
1979-09-01
UNE 21136-12-1990
ELECTRICAL RELAYS. DIRECTIONAL RELAYS AND POWER RELAYS WITH TWO INPUT ENERGIZING QUANTITIES.
电气继电器 具有两个输入通电量的方向继电器和功率继电器
1990-07-24
KS C IEC 60255-12(2020 Confirm)
전기 릴레이－제12부：두 개의 에너지 공급량을 갖는 방향성 릴레이 및 전력 릴레이
电气继电器第12部分:双输入通电量方向继电器和功率继电器
2005-12-09
GOST IEC 60255-12-2014
Реле электрические. Часть 12. Реле направления и реле мощности с двумя входными воздействующими величинами
电气继电器方向继电器和功率继电器 带两个输入通电量
2014-06-25
IEC 60255-12-1980
Electrical relays - Part 12: Directional relays and power relays with two input energizing quantities
电气继电器第12部分方向继电器和功率继电器 具有两个输入能量
1980-01-01
JB/T 5844-1991
电力半导体器件参数符号
Directional relays and power relays with two input energizing quantities (IEC 60255-12: 1980, NEQ)
1991-10-24
JB/T 7639.1-1994
继电器及其装置金属冷冲压件 通用技术条件
Metal cold stampings for relays and accessories. General technical conditions
1994-12-09
YD/T 508.1-1997
微波接力通信系统抛物面天线技术条件
Technical conditions for parabolic antenna of microwave relay communication system
GB/T 32900-2016
光伏发电站继电保护技术规范
Technical specification for relaying protection of photovoltaic power station
2016-08-29
DIN 48500
Power capacitors; technical delivery conditions
电力电容器；交货技术条件
1974-01-01
MT/T 815-1999
放顶煤液压支架技术条件
Technical condition of caving powered support
1999-03-24
MT/T 677-1997
矿用全方位钻孔测斜仪通用技术条件
General technical condition of all-direction borehole inclinometer for mining
1997-12-30
NB/T 10563-2021
风力发电场继电保护技术监督规程
Technical supervision code of relaying protection for wind power plant
2021-01-07
DL/T 5506-2015
电力系统继电保护设计技术规范
Technical code for design of electric power system relay protection
2015-07-01
TB/T 2417-1993
铁路大桥供电技术条件
Technical conditions of power supply for railway bridge
MT/T 163-2019
直读式粉尘浓度测量仪通用技术条件
General technical condition for direct reading instrument for dust concentration measurement
2019-11-28
NB/T 10174-2019
矿用定向钻进随钻测量装置技术条件
Technical condition of measurement-while-drilling device for directional drilling in coalmine
2019-06-04
JB/T 10303-2020
工频柴油发电机组 技术条件
Power frequency diesel generator set—Technical conditions
2020-04-16
JB/T 10304-2020
工频汽油发电机组技术条件
Technical conditions for power frequency gasoline generator sets
2020-04-16
DL/T 2253-2021
发电厂继电保护及安全自动装置技术监督导则
Technical supervision guide for relaying protection and security automatic equipment of power plants
2021-01-07