| 直流电源系统中小型断路器的选择性保护及应用 |
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| 引用本文： | 王金贵.直流电源系统中小型断路器的选择性保护及应用[J].低压电器,2014(6):57-61. |
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| 作者姓名： | 王金贵 |
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| 作者单位： | 上海良信电器股份有限公司,上海200137 |
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| 摘 要： | 电力工程直流电源系统中保护电器的选择是工程设计人员的重要研究课题,DL/T 5044《电力工程直流电源系统设计技术规程》的修编很好地解决了这一难题。通过对直流小型断路器(MCB)(标准型)、直流MCB(高精度型)和具有选择性保护功能的直流小型断路器(SMCB)在工程案例中应用的计算和试验验证,提供了发电厂、变电站直流电源系统中MCB的选择方法,方便了广大电力系统设计人员、继电保护管理人员,可供设计选型参考。
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| 关 键 词： | 直流电源系统 直流小型断路器 选择性保护 电力工程 |
Selective Protection and Application of Miniature Circuit Breaker in DC Power Supply System |
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| WANG Jingui.Selective Protection and Application of Miniature Circuit Breaker in DC Power Supply System[J].Low Voltage Apparatus,2014(6):57-61. |
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| Authors: | WANG Jingui |
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| Affiliation: | WANG Jingui (Shanghai Liangxin Electrical, Co. ,Ltd. , Shanghai 200137, China) |
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| Abstract: | It is an important research topic for power engineering designer that how to choose protection electrical components in DC power system of power project. This topic is well answered along with the editing and revising of DL/TS044 ＂Technical Regulations of Designing DC Power System in Power Project＂. The choosing methods of protection electrical components in DC power systems of power generation station, transformer substation were provided in this article based on the calculation and test verification of the real applications in projects of DC miniature circuit breaker （ standard type）, DC miniature circuit breaker （ high-precision type） and DC selection miniature circuit breaker （SMCB）, which offer the convenient reference for the power system designer, relay protection management personnel. |
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| Keywords: | DC power system DC miniature circuit breaker （MCB） selective protection power engineering |
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