DB43/T 2357-2022 宽负载电流互感器通用技术规范

ICS17.220

CCSL98

43

湖南省地方标准

DB43/T2357—2022

宽负载电流互感器通用技术规范

Technicalspecificationforwideloadcurrenttransformers

2022-05-06发布2022-08-06实施

湖南省市场监督管理局发布

DB43/T2357—2022

目次

前言························································································································Ⅲ

1范围·····················································································································1

2规范性引用文件······································································································1

3术语与定义············································································································1

4技术要求···············································································································1

4.1额定绝缘水平···································································································1

4.2额定输出·········································································································2

4.3额定准确级······································································································2

4.4额定一次电流标准值··························································································3

4.5额定二次电流标准值··························································································3

4.6额定连续热电流标准值·······················································································3

4.7短时电流额定值································································································3

4.8设计和结构······································································································3

5试验方法···············································································································3

5.1一次端工频耐压试验··························································································3

5.2二次端工频耐压试验··························································································4

5.3准确度试验······································································································4

5.4温升试验·········································································································4

5.5短时电流试验···································································································4

5.6一次端冲击耐压试验··························································································4

5.7局部放电试验···································································································4

5.8匝间过电压试验································································································4

6检验规则···············································································································5

6.1出厂检验·········································································································5

6.2型式检验·········································································································5

附录A（规范性）试验项目·························································································6

I

DB43/T2357—2022

II

DB43/T2357—2022

前言

本文件按照GB/T1.1—2020《标准化工作导则第1部分：标准化文件的结构和起草规则》的规

定起草。

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