China National Standards

China kV GB Standards English PDF List


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  •  China "kV" GB Standards English PDF List:
  • Standard  Code Standard Title Standard Class Order
    GB/T 29322-2012 Specification for 1 000 kV power transformer protection equipment
    1 000kV变压器保护装置技术要求
    China National Standards
    kV

    English PDF
    GB 50836-2013 Code for construction and acceptance of 1000kV high voltage electric equipment (GIS, HGIS, disconnector and surge arrester)
    1000kV高压电器(GIS、HGIS、隔离开关、避雷器)施工及验收规范
    China National Standards
    kV

    English PDF
    GB 50835-2013 Code for construction and acceptance of 1000kV power transformer, oil-immersed reactor and mutual inductor
    1000kV电力变压器、油浸电抗器、互感器施工及验收规范
    China National Standards
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    GB 50834-2013 Code for construction and acceptance of 1000kV lattice frame and support
    1000kV构支架施工及验收规范
    China National Standards
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    GB/T 50832-2013 Standard for acceptance test of electric equipment of 1000kV system electric equipment installation engineering
    1000kV系统电气装置安装工程电气设备交接试验标准
    China National Standards
    kV

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    GB/T 28814-2012 The guide for composition of the ±800kV converter station operating code
    ±800kV换流站运行规程编制导则
    China National Standards
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    GB/T 28813-2012 Operating code for ±800kV DC overhead transmission line
    ±800kV直流架空输电线路运行规程
    China National Standards
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    GB/T 50789-2012 Code for design of ±800kV DC converter station
    ±800kV直流换流站设计规范
    China National Standards
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    GB 28525-2012 Compact switchgear assemblies for rated voltages of 72.5 kV and above
    额定电压72.5 kV及以上紧凑型成套开关设备
    China National Standards
    kV

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    GB/T 28563-2012 Electrical testing of thyristor valves for ±800kV ultra high voltage direct current (UHVDC) power transmission
    ±800kV特高压直流输电用晶闸管阀电气试验
    China National Standards
    kV

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    GB/T 28541-2012 Insulation co-ordination for equipments of ±800kV high voltage direct current converter stations
    ±800kV高压直流换流站设备的绝缘配合
    China National Standards
    kV

    English PDF
    GB/T 28428-2012 27.5kV and 2×27.5kV AC metal-enclosed switchgear and controlgear for electrification railway
    电气化铁路27.5kV和2×27.5kV交流金属封闭开关设备和控制设备
    China National Standards
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    GB/T 28427-2012 27.5kV single-phase AC XLPE insulation cable and accessories for electrification railway
    电气化铁路27.5kV单相交流交联聚乙烯绝缘电缆及附件
    China National Standards
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    GB 50741-2012 Code for investigation and surveying of 1000kV overhead transmission line
    1000kV架空输电线路勘测规范
    China National Standards
    kV

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    GB 50777-2012 Code for construction and acceptance of frame works in converter station at ±800kV and below
    ±800KV及以下换流站构支架施工及验收规范
    China National Standards
    kV

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    GB 50776-2012 Code for construction and acceptance of converter transformer in converter station at ±800kV and below
    ±800KV及以下换流站换流变压器施工及验收规范
    China National Standards
    kV

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    GB/T 50775-2012 Code for construction and acceptance of converter valve in converter station at ±800kV and below
    ±800KV及以下换流站换流阀施工及验收规范
    China National Standards
    kV

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    GB 50774-2012 Code for construction and acceptance of dry-type smoothing reactors in converter stations at ±800kV and below
    ±800KV及以下换流站干式平波电抗器施工及验收规范
    China National Standards
    kV

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    GB 50729-2012 Code for acceptance of construction quality of ±800kV & under HVDC converter substation
    ±800kV及以下直流换流站土建工程施工质量验收规范
    China National Standards
    kV

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    GB/T 28182-2011 Surge arresters containing series gapped structures with rated voltage 52 kV and less
    额定电压52kV及以下带串联间隙避雷器
    China National Standards
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    GB/T 27747-2011 High-voltage alternating current disconnecting circuit-breakers for rated voltages of 72.5 kV and above
    额定电压72.5 kV及以上交流隔离断路器
    China National Standards
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    GB 50059-2011 Code for design of 35kV~110kV substation
    35kV~110kV变电站设计规范
    China National Standards
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    GB/T 26869-2011 Insulator-Test on indoor post insulator of organic material for systems with nominal voltages greater than 1000V up to but not including 300kV
    标称电压高于1000V低于300kV系统用户内有机材料支柱绝缘子的试验
    China National Standards
    kV

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    GB 50665-2011 Code for design of 1000kV overhead transmission line
    1000kV架空输电线路设计规范
    China National Standards
    kV

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    GB 50697-2011 Code for design of 1000kV substation
    1000KV变电站设计规范
    China National Standards
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    GB/T 26166-2010 Wall bushings for ±800kV DC power systems
    ±800kV直流系统用穿墙套管
    China National Standards
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    GB/Z 25843-2010 Specifications for control and protection equipment of ±800kV ultra high voltage direct current transmission
    ±800kV特高压直流输电控制与保护设备技术导则
    China National Standards
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    GB/Z 25841-2010 Guide of protection relaying for 1000kV power system
    1000kV电力系统继电保护技术导则
    China National Standards
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    GB/T 25737-2010 Acceptance norms for 1000kV substation monitoring system
    1000kV变电站监控系统验收规范
    China National Standards
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    GB/T 25726-2010 Screen clothes for live working on 1000kV AC
    1000kV交流带电作业用屏蔽服装
    China National Standards
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    GB 25284-2010 High-voltage alternating-current automatic circuit reclosers for rated voltages from 12 kV up to and including 40.5 kV
    12 kV~40.5 kV 高压交流自动重合器
    China National Standards
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    GB/T 25289-2010 Specification and technical requirements for 20kV oil-immersed distribution transformers
    20kV油浸式配电变压器技术参数和要求
    China National Standards
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    GB/T 25083-2010 Metal-oxide surge arresters without gaps for ±800kV UHVDC systems
    ±800kV直流系统用金属氧化物避雷器
    China National Standards
    kV

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    GB/T 25082-2010 Specification and technical requirements of oil-immersed convertor transformers for 800kV DC applications
    800kV直流输电用油浸式换流变压器技术参数和要求
    China National Standards
    kV

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    GB/T 17755-2010 Single-and three-core power cables with extruded solid insulation for rated voltages 6kV( Um=7.2kV) up to 30kV( Um=36kV) in ships
    船用额定电压为6 kV(Um=7.2 kV)至30 kV(Um=36 kV)的单芯及三芯挤包实心绝缘电力电缆
    China National Standards
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    GB 50575-2010 Code for construction and acceptance of 1kV and blow wiring work
    1kV及以下配线工程施工与验收规范
    China National Standards
    kV

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    GB 50548-2010 Code for investigation and surveying of 330kV~750kV overhead transmission line
    330kV~750kV架空输电线路勘测规范
    China National Standards
    kV

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    GB 50545-2010 Code for design of 110kV~750KV overhead transmission line
    110KV~750KV架空输电线路设计规范
    China DL-Electricity & Power Industry Standards
    kV

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    GB 50061-2010 Code for design of 66kV or under overhead electrical power transmission line
    66kV及以下架空电力线路设计规范
    China National Standards
    kV

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    GB/Z 24847-2009 Technical guide on 1000kV AC system voltage and reactive power
    1000kV交流系统电压和无功电力技术导则
    China National Standards
    kV

    English PDF
    GB/Z 24846-2009 Preventive test standards of 1000kV AC electrical equipments
    1000kV交流电气设备预防性试验规程
    China National Standards
    kV

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    GB/Z 24845-2009 Specification of metal-oxide surge arresters without gaps for 1000kV ac system
    1000kV交流系统用无间隙金属氧化物避雷器技术规范
    China National Standards
    kV

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    GB/Z 24844-2009 Technical specicaltion for oil-immersed shunt reactor of 1000kV ac system
    1000kV交流系统用油浸式并联电抗器技术规范
    China National Standards
    kV

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    GB/Z 24843-2009 Technical specification of 1000 kV single phase oil-immersed auto-transformer
    1000kV单相油浸式自耦电力变压器技术规范
    China National Standards
    kV

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    GB/Z 24842-2009 Overvoltage and insulation coordination of 1000kV UHV AC transmission project
    1000kV特高压交流输变电工程过电压和绝缘配合
    China National Standards
    kV

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    GB/Z 24841-2009 Technical specification for capacitor voltage transformers of 1000kV ac system
    1000kV交流系统用电容式电压互感器技术规范
    China National Standards
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    GB/Z 24840-2009 Technical specification for bushing of 1000kV ac system
    1000kV交流系统用套管技术规范
    China National Standards
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    GB/Z 24839-2009 Technical specification of post insulators for 1000kV a.c. system
    1000kV交流系统用支柱绝缘子技术规范
    China National Standards
    kV

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    GB/Z 24838-2009 Specification for 1100kV alternating-current high-voltage circuit-breakers
    1100kV高压交流断路器技术规范
    China National Standards
    kV

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    GB/Z 24837-2009 Specification for 1100kV alternating-current disconnectors and earthing switches
    1100kV高压交流隔离开关和接地开关技术规范
    China National Standards
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    GB/Z 24836-2009 Specification for 1100kV gas-insulated metal-enclosed switchgear
    1100kV气体绝缘金属封闭开关设备技术规范
    China National Standards
    kV

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    GB/Z 24835-2009 Regulation of operation and maintenance for 1000kV gas-insulated metal-enclosed switchgear
    1000kV气体绝缘金属封闭开关设备运行及维护规程
    China National Standards
    kV

    English PDF
    GB/T 24834-2009 Technical specification for fittings of 1000kV AC overhead transmission line
    1000kV交流架空输电线路金具技术规范
    China National Standards
    kV

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    GB/T 24833-2009 Technical specification for 1000kV substation automation system
    1000kV变电站监控系统技术规范
    China National Standards
    kV

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    GB/T 23753-2009 Specification and technical requirements for 330kV and 500kV oil- immersed shunt reactors
    330kV及500kV油浸式并联电抗器技术参数和要求
    China National Standards
    kV

    English PDF
    GB/T 9327-2008 Compression and mechanical connectors for power cables for rated voltages up to 35kV(Um=40.5kV) - Test methods and requirements
    额定电压35kV(Um=40.5kV)及以下电力电缆导体用压接式和机械式连接金具 试验方法和要求
    China National Standards
    kV

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    GB/T 19216.31-2008 Tests for electric or optical fibre cables under fire conditions - Circuit integrity - Part 31: Procedures and requirements for fire with shock - Cables of rated voltage up to and including 0.6/1 kV
    在火焰条件下电缆或光缆的线路完整性试验 第31部分:供火并施加冲击的试验程序和要求 额定电压0.6/1kV及以下电缆
    China National Standards
    kV

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    GB/T 12706.4-2008 Power cables with extruded insulation and their accessories for rated voltages from lkV (Um=1.2kV) up to 35kV(Um=40.5kV) - Part 4: Test requirements on accessories for cables with rated voltages from 6kV(Um=7.2kV) up to 35kV(Um=40.5kV)
    额定电压1kV(Um=1.2kV)到35kV(Um=40.5kV)挤包绝缘电力电缆及附件 第4部分:额定电压6kV(Um=7.2kV)到35kV(Um=40.5kV)电力电缆附件试验要求
    China National Standards
    kV

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    GB/T 12706.3-2008 Power cables with extruded insulation and their accessories for rated voltages from 1kV (Um=1.2kV) up to 35kV (Um=40.5kV) - Part 3: Cables for rated voltage of 35kV(Um=40.5kV)
    额定电压1kV(Um=1.2kV)到35kV (Um=40.5kV)挤包绝缘电力电缆及附件 第3部分:额定电压35kV(Um=40.5kV)电缆
    China National Standards
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    GB/T 12706.2-2008 Power cables with extruded insulation and their accessories for rated voltages from 1kV (Um=1.2kV) up to 35kV (Um=40.5kV) - Part 2: Cables for rated voltages from 6kV(Um=7.2kV) up to 30kV(Um=36kV)
    额定电压1kV(Um=1.2kV)到35kV(Um=40.5kV)挤包绝缘电力电缆及附件 第2部分:额定电压6kV(Um=7.2kV)到30kV(Um=36kV)电缆
    China National Standards
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    GB/T 12706.1-2008 Power cables with extruded insulation and their accessories for rated voltages from 1kV (Um=1.2kV) up to 35kV (Um=40.5kV) - Part 1: Cables for rated voltage of 1kV (Um=1.2kV) and 3kV (Um=3.6kV)
    额定电压1kV(Um=1.2kV)到35kV(Um=40.5kV)挤包绝缘电力电缆及附件 第1部分:额定电压1kV(Um=1.2kV)和3kV(Um=3.6kV)电缆
    China National Standards
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    GB 50060-2008 Code for design of 3~110kV high voltage electrical installations
    3~110kV高压配电装置设计规范
    China National Standards
    kV

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    GB 22448-2008 Protection rules for industrial X-ray radiographic equipment up to 500kV
    500kV以下工业X射线探伤机防护规则
    China National Standards
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    English PDF
    GB/T 18269-2008 Live working-Hand tools for use up to 1kV a.c .and 1.5kV d.c.
    交流1kV、直流1.5kV及以下电压等级带电作业用绝缘手工工具
    China National Standards
    kV

    English PDF
    GB/T 22383-2008 Rigid, gas-insulated trnsmisson lines for rated voltage of 72.5 kV and above
    额定电压 72.5kV 及以上刚性气体绝缘输电线路
    China National Standards
    kV

    English PDF
    GB/T 22382-2008 Direct connection between power transformers and gas-insulated metal-enclosed switchgear for rated voltage of 72.5 kV and above
    额定电压 72.5kV 及以上气体绝缘金属封闭开关设备与电力变压器之间的直接连接
    China National Standards
    kV

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    GB/T 22381-2008 Cable connections for gas-insulated metal-enclosed switchgear for rated voltages of 72.5 kV and above - Fluid-filled and extruded insulation power cables - Fluid-filled and dry type cable-terminations
    额定电压 72.5kV 及以上气体绝缘金属封闭开关设备与充流体及挤包绝缘电力电缆的连接 充流体及干式电缆终端
    China National Standards
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    GB 7674-2008 Gas-insulated metal-enclosed switchgear for rated voltages of 72.5kV and above
    额定电压72.5kV及以上气体绝缘金属封闭开关设备
    China National Standards
    kV

    English PDF
    GB/T 9326.5-2008 Oil-filled, paper or polypropylene paper laminate insulated, metal-sheathed cables and accessories for alternating voltages up to and including 500kV - Part 5: Pressure tanks
    交流500kV及以下纸或聚丙烯复合纸绝缘金属套充油电缆及附件 第5部分: 压力供油箱
    China National Standards
    kV

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    GB/T 9326.4-2008 Oil-filled, paper or polypropylene paper laminate insulated, metal-sheathed cables and accessories for alternating voltages up to and including 500kV - Part 4: Joint
    交流500kV及以下纸或聚丙烯复合纸绝缘金属套充油电缆及附件 第4部分: 接头
    China National Standards
    kV

    English PDF
    GB/T 9326.3-2008 Oil-filled, paper or polypropylene paper laminate insulated, metal-sheathed cables and accessories for alternating voltages up to and including 500kV - Part 3: Sealing end
    交流500kV及以下纸或聚丙烯复合纸绝缘金属套充油电缆及附件 第3部分: 终端
    China National Standards
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    GB/T 9326.2-2008 Oil-filled, paper or polypropylene paper laminate insulated, metal-sheathed cables and accessories for alternating voltages up to and including 500kV - Part 2:Oil-filled paper insulated, lead-sheathed cables for alternating voltages up to and including
    交流500kV及以下纸或聚丙烯复合纸绝缘金属套充油电缆及附件 第2部分: 交流500kV及以下纸绝缘铅套充油电缆
    China National Standards
    kV

    English PDF
    GB/T 9326.1-2008 Oil-filled, paper or polypropylene paper laminate insulated, metal-sheathed cables and accessories for alternating voltages up to and including 500kV - Part 1: Test
    交流500kV及以下纸或聚丙烯复合纸绝缘金属套充油电缆及附件 第1部分: 试验
    China National Standards
    kV

    English PDF
    GB/T 9331-2008 Single and multicore non-radial field power cables with extruded solid insulation for rated voltages 1kV and 3 kV
    船舶电气装置 额定电压1kV和3kV挤包绝缘非径向电场单芯和多芯电力电缆
    China National Standards
    kV

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    GB/T 22078.3-2008 Power cables with cross-linked polyethylene insulation and theiraccessories for rated voltage of 500kV(Um=550kV) - Part 3: Accessories for power cables with cross-linked polyethylene insulation for rated voltage of 500kV (Um=550kV)
    额定电压500kV(Um=550kV)交联聚乙烯绝缘电力电缆及其附件 第3部分: 额定电压500kV(Um=550kV)交联聚乙烯绝缘电力电缆附件
    China National Standards
    kV

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    GB/T 22078.2-2008 Power cables with cross-linked polyethylene insulation and their accessories for rated voltage of 500kV (Um=550kV) - Part2: Power cables with cross-linked polyethylene insulation for rated voltage of 500kV (Um=550kV)
    额定电压500kV(Um=550kV)交联聚乙烯绝缘电力电缆及其附件 第2部分: 额定电压500kV(Um=550kV)交联聚乙烯绝缘电力电缆
    China National Standards
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    GB/T 22078.1-2008 Power cables with cross-linked polyethylene insulation and their accessories for rated voltage of 500kV(Um=550kV) - Part 1: Power cable systems-cables with cross-linked polyethylene insulation and their accessories for rated voltage of 500kV (Um=550kV) -
    额定电压500kV(Um=550kV)交联聚乙烯绝缘电力电缆及其附件 第1部分: 额定电压500kV(Um=550kV)交联聚乙烯绝缘电力电缆及其附件 试验方法和要求
    China National Standards
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    English PDF
    GB/T 14049-2008 Aerial insulated cables for rated voltage of 10kV
    额定电压10kV架空绝缘电缆
    China National Standards
    kV

    English PDF
    GB/T 12976.3-2008 Paper-insulated power cables and their accessories with rated voltages up to and including 35kV - Part 3: Test on cables and their accessories
    额定电压35kV(Um=40.5kV)及以下纸绝缘电力电缆及其附件 第3部分:电缆和附件试验
    China National Standards
    kV

    English PDF
    GB/T 12976.2-2008 Paper-insulated power cables and their accessories with rated voltages up to and including 35kV - Part 2: General and construction requirements for power cables with rated voltages 35kV
    额定电压35kV(Um=40.5kV)及以下纸绝缘电力电缆及其附件 第2部分:额定电压35kV电缆一般规定和结构要求
    China National Standards
    kV

    English PDF
    GB/T 12976.1-2008 Paper-insulated power cables and their accessories with rated voltages up to and including 35kV - Part 1: General and construction requirements for power cables with rated voltages up to and including 30kV
    额定电压35kV(Um=40.5kV)及以下纸绝缘电力电缆及其附件 第1部分:额定电压30kV及以下电缆一般规定和结构要求
    China National Standards
    kV

    English PDF
    GB/T 12972.9-2008 Flexible rubber-sheathed cables for mining purposes - Part 9:Flexible light-duty cables for rated voltage of 0.3/0.5kV
    矿用橡套软电缆 第9部分:额定电压0.3/0.5kV矿用移动轻型橡套软电缆
    China National Standards
    kV

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    GB/T 12972.8-2008 Flexible rubber-sheathed cables for mining purposes - Part 8:Flexible drill cables for rated voltage of 0.3/0.5kV
    矿用橡套软电缆 第8部分: 额定电压0.3/0.5kV 矿用电钻电缆
    China National Standards
    kV

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    GB/T 12972.7-2008 Flexible rubber-sheathed cables for mining purposes - Part 6:Flexible cables with screens for rated voltages up to 6/10kV
    矿用橡套软电缆 第7部分:额定电压6/10kV及以下屏蔽橡套软电缆
    China National Standards
    kV

    English PDF
    GB/T 12972.6-2008 Flexible rubber-sheathed cables for mining purposes - Part 6:Flexible cables with monitoring core and metallic screens for rated voltages up to 6/10kV
    矿用橡套软电缆 第6部分:额定电压6/10kV及以下金属屏蔽监视型软电缆
    China National Standards
    kV

    English PDF
    GB/T 12972.5-2008 Flexible rubber-sheathed cables for mining purposes - Part 5:Flexible cables for rated voltages up to 0.66/1.14kV
    矿用橡套软电缆 第5部分: 额定电压0.66/1.14kV 及以下移动橡套软电缆
    China National Standards
    kV

    English PDF
    GB/T 12972.4-2008 Flexible rubber-sheathed cables for mining purposes - Part 4:Flexible coalcutter cables with individual metallic screens for rated voltages up to 1.9/3.3kV
    矿用橡套软电缆 第4部分:额定电压1.9/3.3kV及以下采煤机金属屏蔽软电缆
    China National Standards
    kV

    English PDF
    GB/T 12972.3-2008 Flexible rubber-sheathed cables for mining purposes - Part 3:Trailing coalcutter cables with monitoring core and semiconducting screens for rated voltage of 0.66/1.14kV
    矿用橡套软电缆 第3部分: 额定电压0.66/1.14kV 采煤机屏蔽监视加强型软电缆
    China National Standards
    kV

    English PDF
    GB/T 12972.2-2008 Flexible rubber-sheathed cables for mining purposes - Part 2:Flexible coalcutter cables for rated voltages up to 1.9/3.3kV
    矿用橡套软电缆 第2部分:额定电压1.9/3.3kV及以下采煤机软电缆
    China National Standards
    kV

    English PDF
    GB/T 12528-2008 Rail vehicle cables with rated voltages up to and including 3kV
    交流额定电压3kV及以下轨道交通车辆用电缆
    China National Standards
    kV

    English PDF
    GB/T 12527-2008 Aerial insulated cables for rated voltages up to and including 1kV
    额定电压1 kV及以下架空绝缘电缆
    China National Standards
    kV

    English PDF
    GB 3906-2006 Alternating-current metal-enclosed switchgear and controlgear for rated voltages above 3.6 kV and up to and including 40.5 kV
    3.6kV~40.5kV交流金属封闭开关设备和控制设备
    China National Standards
    kV

    English PDF
    GB/T 17948.4-2006 Functional evaluation of insulation systems for rotating electrical machines - Test procedures for form-wound windings - Electrical evaluation of insulation sysyems used in machines up to and including 50MVA and 15kV
    旋转电机绝缘结构功能性评定 成型绕组试验规程 50MVA、15kV及以下电机绝缘结构电评定
    China National Standards
    kV

    English PDF
    GB/T 12668.4-2006 Adjustable speed electrical power drive systems - part 4: General requirements - Rating specifications for a.c. power drive systems above 1000V a.c. and not exceeding 35kV
    调速电气传动系统 第4部分:一般要求 交流电压1000V以上但不超过35kV的交流调速电气传动系统额定值的规定
    China National Standards
    kV

    English PDF
    GB/T 17948.3-2006 Functional evaluation of insulation systems for rotating electrical machines - Test procedures for form-wound windings - Thermal evaluation and classification of insulation sysyems used in machines up to and including 50MVA and 15kV
    旋转电机绝缘结构功能性评定 成型绕组试验规程 50MVA、15kV及以下电机绝缘结构热评定和分级
    China National Standards
    kV

    English PDF
    GB 5226.3-2005 Sefety of machinery-Eletrical equipment of machines-Part 11:Requirements for HV equipment for voltages above 1000Va.c.or 1500Vd.c.and not exceeding 36kV
    机械安全 机械电气设备 第11部分:电压高于1000Va.c.或1500Vd.c.但不超过36kV的高压设备的技术条件
    China National Standards
    kV

    English PDF
    GB 3804-2004 High-voltage alternating-current switches for rated voltage above 3.6 kV and less than 40.5 kV
    3.6 kV~40.5 kV 高压交流负荷开关
    China National Standards
    kV

    English PDF
    GB/T 19216.21-2003 Tests for electric cables under fire conditions--Circuit integrity--Part 21: Procedures and requirements--Cables of rated voltage up to and including 0.6/1.0kV
    在火焰条件下电缆或光缆的线路完整性试验 第21部分:试验步骤和要求 额定电压0.6/1.0 kV及以下电缆
    China National Standards
    kV

    English PDF
    GB/T 18889-2002 Electric cables-test methods for accessories for power cables with rated voltages from 6kV(Um=7.2kV)up to 35kV(Um=40.5kV)
    额定电压6 kV(Um=7.2 kV)到35 kV(Um=40.5 kV)电力电缆附件试验方法
    China National Standards
    kV

    English PDF
    GB/Z 11024.3-2001 Shunt capacitors for a.c.power systems having a rated voltage above 1kV--Part 3:Protection of shunt capacitors and shunt capacitor banks
    标称电压1 kV以上交流电力系统用并联电容器 第3部分:并联电容器和并联电容器组的保护
    China National Standards
    kV

    English PDF

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