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三广直流工程融冰运行方式仿真试验
引用本文:马玉龙,徐玲玲,石岩,陶瑜,韩伟,曹镇,杨勇.三广直流工程融冰运行方式仿真试验[J].电网技术,2008,32(19):22-25.
作者姓名:马玉龙  徐玲玲  石岩  陶瑜  韩伟  曹镇  杨勇
作者单位:国网直流工程建设有限公司,国家电网公司建设运行部
摘    要:三广直流工程的直流线路必须考虑合适的防冰对策。文章借助于实时数字仿真器与直流控制保护仿真系统模拟了三广直流工程的各种运行方式,提出了采用一极功率正送、另一极功率反送的融冰运行方式。该融冰运行方式不需要改动主接线方式,也无需修改直流控制保护系统的软硬件系统。仿真结果表明,该运行方式可在与交流系统交换有功功率较小的情况下达到融冰的效果,符合冬季调度方式的要求。

关 键 词:高压直流(HVDC)  融冰  三广直流工程  运行方式  实时数字仿真器(RTDS)
收稿时间:2008-08-25

Simulation Test of Ice-Melting Operation Mode for HVDC Power Transmission Project from the Three Gorges Hydropower Station to Guangdong
MA Yu-long,XU Ling-ling,SHI Yan,TAO Yu,HAN Wei,CAO Zhen,YANG Yong.Simulation Test of Ice-Melting Operation Mode for HVDC Power Transmission Project from the Three Gorges Hydropower Station to Guangdong[J].Power System Technology,2008,32(19):22-25.
Authors:MA Yu-long  XU Ling-ling  SHI Yan  TAO Yu  HAN Wei  CAO Zhen  YANG Yong
Affiliation:1.State Grid DC Project Construction Company Limited,Dongcheng District,Beijing 100005,China; 2.Department of Construction and Operation,State Grid Cooperation Company,Xicheng District,Beijing 100031,China
Abstract:For the HVDC power transmission project from the Three Gorges Hydropower Station to Guangdong an appropriate ice-melting countermeasure should be considered. By means of real-time digital simulator and DC control and protection simulation system, various operating modes of this HVDC project are simulated, and it is proposed for ice-melting operating mode, i.e., one pole runs at normal power transmission direction mode and the other pole runs at reverse power transmission direction mode. In such an ice-melting operating mode it is neither necessary to alter the connection way of main circuit, and nor to change the software and hard ware of control and protection system for DC power transmission. Simulation results show that with this ice-melting operating mode the ice-melting effect can be achieved under the lower active power exchanged with AC system, so it conforms to the requirement of dispatching mode in winter.
Keywords:high voltage DC(HVDC)  ice-melting  HVDC power transmission project from the Three Gorges Hydropower Station to Guangdong  operating mode  real-time digital simulator (RTDS)
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