Browse Standards
4331+ standards in database
4331 result(s) found
电力变压器、电源装置和类似产品的安全 第7部分：一般用途安全隔离变压器的特殊要求
Safety of power transformers, power supply units and similar - Part 7: Particular requirements for safety isolating transformers for general use
电力变压器、电源装置和类似产品的安全 第5部分：一般用途隔离变压器的特殊要求
Safety of power transformers, power supply units and similar - Part 5: Particular requirements for isolating transformers for general use
半导体变流器与供电系统的兼容及干扰防护导则
Guide for compatibility and protection of interference effects between semiconductor convertors and power supply system
高压线路绝缘子空气中冲击击穿试验
Impulse puncture test in air on insulators for overhead lines
有间隙阀式避雷器人工污秽试验
Artificial pollution testing of non-linear resistor type gapped arresters
电气用刚纸 第1部分：定义和一般要求
Specification for vulcanized fibre for electrical purposes - Part 1: Definitions and general requirements
低压开关设备和控制设备 第5-6部分：控制电路电器和开关元件-接近传感器和开关放大器的DC接口（NAMUR）
Low-voltage switchgear and controlgear - Part 5-6: Control circuit devices and switching elements - DC interface for proximity sensors and switching amplifiers(NAMUR)
低压开关设备和控制设备 第5-5部分：控制电路电器和开关元件-具有机械锁闩功能的电气紧急制动装置
Low-voltage switchgear and controlgear - Part 5-5: Control circuit devices and switching elements - Electrical emergency stop device with mechanical latching function
低压开关设备和控制设备 第5-3部分：控制电路电器和开关元件-在故障条件下具有确定功能的接近开关（PDF）的要求
Low-voltage switchgear and controlgear - Part 5-3: Control circuit devices and switching elements - Requirements for proximity devices with defined behaviour under fault conditions(PDF)
绝缘材料电气强度试验方法 第2部分：对应用直流电压试验的附加要求
Electrical strength of insulating materials - Test methods - Part 2: Additional requirements for tests using direct voltage
绝缘材料电气强度试验方法 第1部分：工频下试验
Electrical strength of insulating materials - Test methods - Part 1: Tests at power frequencies
爆炸性气体环境用电气设备 第9部分：浇封型“m”
Electrical apparatus for explosive gas atmospheres - Part 9: Encapsulation “m”
电力机车通用技术条件
General technical specification for electric locomotive
电工电子产品着火危险试验 第11部分：灼热丝/热丝基本试验方法 成品的灼热丝可燃性试验方法
Fire hazard testing for electric and electronic products - Part 11: Glowing/hot-wire based test methods - Glow-wire flammability test method for end-products
电工电子产品着火危险试验 第21部分：非正常热 球压试验
Fire hazard testing for electric and eletronic products - Part 21: Abnormal heat - Ball pressure test
互感器 第8部分：电子式电流互感器
Instrument transformers - Part 8: Electronic current transformers
互感器 第7部分：电子式电压互感器
Instrument transformers - Part 7: Electronic voltage transformers
额定电压750V及以下矿物绝缘电缆及终端 第1部分：电缆
Mineral insulated cables and their terminations with a rated voltage not exceeding 750 V Part 1: Cables
电气继电器 第22-7部分：量度继电器和保护装置的电气骚扰试验-工频抗扰度试验
Electrical relays - Part 22-7: Electrical disturbance tests for measuring relays and protection equipment - Power frequency immunity tests
标准电压
Standard voltages