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低压直流双极供电系统的接地型式研究

DOI: 10.13334/j.0258-8013.pcsee.2014.13.024, PP. 2210-2218

Keywords: 低压直流,双极供电系统,接地型式,电气安全

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Abstract:

针对民用低压直流供电系统的接地型式和电气安全问题,分析基于直流微网、电压平衡器的直流双极供电系统的接地故障参数,利用Matlab/Simulink软件构建DC±190V系统进行验证.在此基础上,讨论各接地型式的供电连续性、电击防护性能与保护设备要求.与传统交流220V供电系统的对比表明:低压直流供电系统在电气安全方面有较明显的优势;直流TT系统在配备剩余电流保护器的情况下,其供电连续性和电气安全性能可以得到很好兼顾,相较直流IT和直流TN系统而言,更适合作为该类含有电压平衡器的直流双极供电系统的接地型式.并给出了保证其电气安全的接地电阻取值范围及保护装置技术要求.

References

[1]  吴卫民,何远彬,耿攀,等.直流微网研究中的关键技术[J].电工技术学报,2012,27(1):98-106. Wu Weimin,He Yuanbin,Geng Pan,et al.Key technologies for DC micro-grids[J].Tansactions of China Electrotechnical Society,2012,27(1):98-106(in Chinese).
[2]  Paul D.DC traction power system grounding[J].IEEE Transactions on Industry Applications,2002,38(3):818-824.
[3]  Ciezki J G,Ashton R W.Selection and stability issues associated with a navy shipboard DC zonal electric distribution system[J].IEEE Transactions on Power Delivery,2000,15(2):665-669.
[4]  朱雄世.国外数据通信设备高压直流供电新系统(下)[J].邮电设计技术,2009(5):66-70. Zhu Xiongshi.New high voltage direct current power supply system for data communication equipment abroad(part two)[J].Designing Techniques of Posts and Telecommunication,2009(5):66-70(in Chinese).
[5]  Hoshi H,Tanaka T,Noritake M,et al.Consideration of inrush current on DC distribution system[C]//34th International Telecommunications Energy Conference.Scottsdale,AZ:IEEE,2012:1-4.
[6]  Salomonsson D,Soder L,Sannino A.Protection of low-voltage DC microgrids[J].IEEE Transactions on Power Delivery,2009,24(3): 1045-1053.
[7]  Nuutinen P,Peltoniemi P,Silventoinen P.Short-circuit protection in a converter-fed low-voltage distribution network[J].IEEE Transactions on Power Electrionics,2013,28(4):1587-1597.
[8]  Baran M E,Mahajan N R.Overcurrent protection on voltage-source-converter-based multiterminal DC distribution systems[J].IEEE Transactions on Power Delivery,2007,22(1):406-412.
[9]  Gerdinand F,Gümpelein R.Switching of green energy - reliable switching and protection of 400 V DC systems sustainably powered by photovoltaic systems[C]//33rd International Telecommunications Energy Conference.Amsterdam:IEEE,2011:1-7.
[10]  Hirose K,Tanaka T,Babasaki T,et al.Grounding concept considerations and recommendations for 400V DC distribution system[C]//33rd International Telecommunications Energy Conference.Amsterdam:IEEE,2011:1-8.
[11]  Baran M,Mahajan N R.PEBB based DC system protection:opportunities and challenges[C]//Transmission and Distribution Conference and Exposition.Dallas,TX:IEEE PES,2006:705-707.
[12]  赵梦欣,陈国峰,余伟成.直流系统绝缘监测的直流漏电流法改进方案[J].电力系统自动化,2009,33(14):83-88. Zhao Mengxin,Chen Guofeng,Yu Weicheng.Modifi- cation of the DC leakage method for DC system insulation monitoring[J].Automation of Electric Power Systems,2009,33(14):83-88(in chinese).
[13]  杨岳.电气安全[M].北京:机械工业出版社,2007:60-68. Yang Yue.Electrical safety[M].Beijing:China Machine Press,2007:60-68(in Chinese).
[14]  张先进,龚春英.三电平半桥电压平衡器[J].电工技术学报,2012,27(8):114-119. Zhang Xianjin,Gong Chunying.Three-level half bridge voltage balancers[J].Transactions of China Electrotechnical Society,2012,27(8):114-119(in Chinese).
[15]  Kakigano H,Miura Y,Ise T.Low voltage bipolar type DC microgrid for super high quality distribution[J].IEEE Transactions on Power Electronics,2010,25(12):3066-3075.
[16]  IEC.IEC 60364-1 Low-voltage electrical installations- Part 1:Fundamental principles,assessment of general characteristics,definitions[S].Geneva :IEC,2005.
[17]  Mörx.Touch voltages for direct current(improved and refined edition of document 64/MT17) [R].Geneva,Switzerland:IEC,2012.
[18]  IEC.IEC 60479-1 Effects of current on human beings and livestock-Part 1:General aspects[S].Geneva:IEC,2005.
[19]  Lohjala J,Kaipia T,Lassila J,et al.Potentiality and effects of the 1kv low voltage distribution system[C]// 2005 International Conference on Future Power Systems.Amsterdam,Netherlands:IEEE,2005:1-6.
[20]  Salamonsson D,Sannino A.Low-voltage DC Distribution system for commercial power systems with sensitive electronic loads[J].IEEE Transactions on Power Delivery,2007,22(3):1620-1627.
[21]  广东华南家电研究院.直流家电技术与发展前景[J].家电科技,2009(22):48-49. Guangdong South China Household Electric Appliances Research Institute.DC household electric appliances technology and development prospect[J].China Appliance Technology,2009(22):48-49(in Chinese).
[22]  陶生桂,龚熙国,袁登科.三电平逆变器中点电位平衡电路的设计与仿真[J].同济大学学报:自然科学版,2005,33(3):359-399. Tao Shenggui,Gong Xiguo,Yuan Dengke.Design and simulation of novel circuit for neutral-point voltage balance in three-level inverter[J].Journal of Tongji University:Netural Science,2005,33(3):359-399(in Chinese).

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