地铁 35 kV 环网数字通信电流保护测试方法
陈继勇徐文亮郑杰
Protection and Testing Method of Digital Communication Current in Metro 35 kV Loop Network
CHEN JiyongXU WenliangZHENG Jie
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作者信息:成都地铁运营有限公司，610058，成都
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Affiliation:Chengdu Metro Operation Co.，Ltd.， 610058，Chengdu，China
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关键词:
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Key words:
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DOI:10.16037/j.1007-869x.2019.06.043
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中图分类号/CLCN:U223.8+2
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栏目/Col:应用技术
摘要:
35 kV 中压环网供电系统是地铁的大动脉，为地铁车辆及车站动力照明提供了可靠的动力来源。 随着各大城市地铁线网规划的日渐加密，线网共享主变电所、中压环网大分区供电等更加经济性的供电方式已普遍应用，同时也使数字通信电流保护因其保护方法广泛的适应性和完备性也随之得以推广。在介绍数字通信电流保护实现原理的基础上，采用添加对时模块的新型继电保护测试仪，进行了多站同步加量测试。阐述了环网正常供电及故障运行方式下站间环网故障、母线故障、馈线故障等典型故障的实际测试方法及其逻辑判断分析。可为新建地铁线路数字通信电流保护功能的完整校验提供参考建议。
Abstracts:
35 kV loop network power supply system is the main artery of metro，it provides reliable source of power for metro station and lighting. With the expansion of metro planning in most big Chinese cities，more economic power supply systems such as the wire-net shared main substation and the large partition power supply for medium loop network have been widely adopted，and digital current protection is greatly promoted by the wide adaptability and completeness of the protection scheme. With an introduction of the implementation principle of digital current protection, the new relay protection tester with timing modular is applied to the multiple-station synchronous accelerometer test，the measuring method and logical judgment of the typical faults under normal loop network power supply and fault operation mode are elaborated respectively. This research provides a reference for the complete verification of digital communication current protection on newly built lines.
引文 / Ref:
陈继勇，徐文亮，郑杰.地铁35kV环网数字通信电流保护测试方法[J].城市轨道交通研究，2019，22(06):187.
CHEN Jiyong，XU Wenliang，ZHENG Jie.Protection and testing method of digital communication current in metro 35 kV loop network[J].Urban Mass Transit，2019，22(06)：187.
CHEN Jiyong，XU Wenliang，ZHENG Jie.Protection and testing method of digital communication current in metro 35 kV loop network[J].Urban Mass Transit，2019，22(06)：187.
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