| In this paper,all kinds of DC protection in HVDC system are comprehensively analyzed,and the purpose and function of DC protection are discussed in detail.Taking the Gezhouba converter station as an example,the configuration of DC protection in the Gaodianya(HVDC)system is discussed,the function and action strategy of DC protection are analyzed,and analyzed and studied.At the same time,for the Genan DC transmission system,the protection actions of its DC primary equipment(such as AC filter,converter valve,DC primary equipment)are analyzed.In the end,the paper puts forward and analyzes the problems related to DC protection through the actual application of DC protection in Gezhouba converter station.The feasibility of DC protection configuration and action strategy is demonstrated,the reliability of DC transmission is guaranteed,and the application effect is better. |
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