并联型多端高压直流输电系统的控制与保护策略及仿真Control and Protection Strategies for Parallel Multi-Terminal HVDC Power Transmission System and Their Simulation
雷霄;王华伟;曾南超;谢国平;李新年;王亮;
摘要(Abstract):
多端高压直流(multi-terminal direct current,MTDC)输电系统可以实现各换流站所连交流系统之间的功率输送或电力交换,能够解决多电源供电或多落点受电的输电问题,其接线形式总体分为串联型与并联型。针对4端并联型高压直流输电系统进行稳态运行和暂态故障过程的相关研究,基于EMTDC/PSCAD平台建立单极仿真模型,完成了多种解锁起动和闭锁停运组合的仿真分析,设计了直流功率平衡控制器实现各换流站功率协调控制,并提出了单个换流站紧急停运以及直流线路故障时的控制保护配合方式,仿真结果表明了控制与保护策略的有效性。
关键词(KeyWords): 多端直流输电;直流系统控制与保护;协调控制
基金项目(Foundation):
作者(Author): 雷霄;王华伟;曾南超;谢国平;李新年;王亮;
Email:
DOI: 10.13335/j.1000-3673.pst.2012.02.045
参考文献(References):
- [1]赵畹君.高压直流输电工程技术[M].北京:中国电力出版社,2004:459-478.
- [2]李兴源.高压直流输电运行及控制[M].北京:科学出版社,1998:203-212.
- [3]Prabha Kundur.电力系统稳定与控制[M].北京:中国电力出版社,2002:358-363.
- [4]张文亮,汤涌,曾南超.多端高压直流输电技术及应用前景[J].电网技术,2010,34(9):1-6.Zhang Wenliang,Tang Yong,Zeng Nanchao.Multi-terminal HVDCtransmission technologies and its application prospects inChina[J].Power System Technology,2010,34(9):1-6(in Chinese).
- [5]Mazzoldif,Taisnejp,Martincjb,et al.Adaption of the controlequipment to permit 3-terminal operation of the HVDC link betweenSardinia,Corsica and Mainland Italy[J].IEEE Trans on PowerDelivery,1989,4(2):1269-1274.
- [6]Sood V K,Nakra H L,Khodabakhchian B,et al.Simulator study ofHydro-Quebec MTDC line from James Bay to New England[J].IEEETrans on Power Delivery,1998,3(4):1880-1886.
- [7]Jiang H,Ekstrom A.Multi terminal HVDC systems in urban areas oflarge cities[J].IEEE Trans on Power Delivery,1998,13(4):1278-1284.
- [8]张重实,宋颖.多端直流输电系统的控制问题[J].中国电力,1996,29(7):54-57.Zhang Zhongshi,Song Ying.Control of multi-terminal HVDCsystems[J].Electric Power,1996,29(7):54-57(in Chinese).
- [9]胡学浩,丁功扬.全国电网互联中采用高压直流输电方式时国外经验之借鉴[J].电网技术,1998,22(5):64-67.Hu Xuehao,Ding Gongyang.Adopting HVDC transmission schemein nation-wide power network inter connection with reference toexperiences of other countries[J].Power System Technology,1998,22(5):64-67(in Chinese).
- [10]曾南超.高压直流输电在我国电网发展中的作用[J].高电压技术,2004,30(11):11-12.Zeng Nanchao.Role of HVDC transmission in the power systemdevelopment in China[J].High Voltage Engineering,2004,30(11):11-12(in Chinese).
- [11]李峰,管霖,钟杰峰,等.广东交直流混合电网的运行稳定性研究[J].电网技术,2005,29(11):1-4.Li Feng,Guan Lin,Zhong Jiefeng,et al.Study on Guangdong AC/DChybrid power grid[J].Power System Technology,2005,29(11):1-4(inChinese).
- [12]Weixing Lu,Boon Teck Ooi.Premium quality power park based onmulti-terminal HVDC[J].IEEE Transactions on Power Delivery,2005,20(2):978-983.
- [13]林凌雪,张尧,钟庆,等.多馈入直流输电系统中换相失败研究综述[J].电网技术,2006,30(17):40-46.Lin Lingxue,Zhang Yao,Zhong Qing,et al.A survey on commutationfailures in multi-infeed HVDC transmission system[J].Power SystemTechnology,2006,30(17):40-46(in Chinese).
- [14]于汀,胡林献,姜志勇.多端直流系统接线和控制方式对暂态稳定性的影响[J].电网技术,2010,34(2):87-91.Yu Ting,Hu Linxian,Jiang Zhiyong.Impact of connection andcontrol modes of multi-terminal DC power transmission system ontransient stability[J].Power System Technology,2010,34(2):87-91(inChinese).
- [15]袁旭峰.新型混合多端直流输电系统理论及其若干关键问题研究[D].武汉:华中科技大学,2007.
- [16]袁旭峰,文劲宇,程时杰.多端直流输电系统中的直流功率调制技术[J].电网技术,2007,31(14):57-61.Yuan Xufeng,Wen Jinyu,Cheng Shijie.DC power modulation inmulti-terminal HVDC transmission system[J].Power SystemTechnology,2007,31(14):57-61(in Chinese).