DLT2256-2021 电力用智能换相装置技术规范.pdf

JCS29.240.01

CCSF21

ι

中华人民共和国电力行业标准

DL/T2256-2021

电力用智能换相装置技术规范

Technicalspecificationforintelligentphaseswitchingdeviceforelectricpower

2021-01-07发布2021-07-01实施

国家能源、局发布

DL/T2256-2021

目次

前言……………．．．．．．．．．．．．……………….III

I范围……·

2规范性引用文件…·

3术语和定义、符号…··

3.1术语和定义…·

3.2符号……·························……………·2

4基本参数………·……………………2

4.1装置组成.......…….………...…………2

4.2换相开关电气接线………2

4.3控制单元额定输入电气量...…....……...……………..3

4.4换相开关额定频率………················………········….…………3

4.5换相开关额定电流……··········－····…·························…．．．．………………3

5典型接线...……………………………3

6使用条件………………································…………………··3

6.1环境条件………...…….....…..……...…………3

6.2电气条件…·…………………………·4

6.3特殊使用条件…………………………H………..4

7技术要求……..…………………·4

7.1外观与结构…….............…..….......…··….………...….......…..…··············4

7.2防护等级·······························－·……………………5

7.3电气间隙与爬电距离……………………………·5

7.4绝缘性能………················…··········川...………………··5

7.5接地性能…..……….………………·……·6

7.6接触电流……………6

7.7功能要求…········…………………··6

7.8性能要求…··…………………………7

7.9通信端口性能要求.…………