GB/T 14598.7-1995
Abolished
GB/T 18802.351-2019
Active
National standards
GB/T 18802.351-2019 Components for low-voltage surge protective devices—Part 351:Performance requirements and test methods for telecommunications and signalling network surge isolation transformers (SIT)
GB/T 18802.351-2019 Components for low-voltage surge protective devices—Part 351:Performance requirements and test methods for telecommunications and signalling network surge isolation transformers (SIT)
Basic Information
Standard Code:
GB/T 18802.351-2019
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Low-voltage electrical equipment
ICS Name:
Substations, surge arrestors
Publish Date:
2019-12-10
Implement Date:
2020-07-01
Publisher:
国家市场监督管理总局、国家标准化管理委员会
Technical Committee:
全国避雷器标准化技术委员会(SAC/TC 81)
Pages:
25 pages
Scope
GB/T 18802的本部分详细说明了用于确定和验证SIT电涌参数的试验电路和试验方法，并给出了关键性能的参数优选值。电涌隔离变压器(SIT）用作信号电压峰峰值不大于400 V的信号变压器。SIT是内部绕组有或没有屏蔽的变压器，其额定冲击耐受电压大于预期共模电涌环境的峰值电压。SIT是适用于对雷电的间接和直接效应或其他瞬态过电压的电涌进行防护的元器件。SIT用于抑制共模电压电涌向前传播。
本部分内容不包括工作在差模雷电电涌环境下的SIT。
Development Information
Drafting Units:
四川中光防雷科技股份有限公司、西安高压电器研究院有限责任公司、上海大学、广州中光电气科技有限公司、上海雷迅防雷技术有限公司、菲尼克斯亚太电气(南京)有限公司、深圳市铁创科技发展有限公司、西安神电电器有限公司、上海优泰欧申机电有限公司、莱茵技术(上海)有限公司
Drafting Persons:
雷成勇、谢晋、黄勇、周歧斌、郭亚平、潘挺、徐祝勤、何亨文、贾东旭、王炯琪、施兵
Same series standard
Referenced Standards
GB/T 16935.1-2008 Insulation coordination for equipment within low-voltage systems—Part 1:Principles,requirements and tests
GB/Z 16935.2-2013 Insulation coordination for equipment within low-voltage systems—Part 2-1:Application guide—Explanation of the application of the IEC 60664 series, dimensioning example and dielectric testing
IEC 60617 datebase
IEC 60721-3-3
Adopt standards
IEC 61643-351:2016
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GB/T 17467-1998
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