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REAL-TIME COMMUNICATION IN REAL-TIME CONTROL AND ANALYSISSYSTEM FOR POWER SYSTEMS

Cui Yuan,Cheng L in,Sun Yuanzhang,L i Xiong,Peng Jiangnan,Zhong Zhian,Zhang Jianyun Tsinghua University,Beijing 10 0 0 84 ,China  
To m eetthe requirement of real- time analysis and em ergency control of power system s,a novel m ethod is proposed to im plem entthe forced real- time com munication in real- tim e control and analysis system for power systems. In this method, the multi- Ethernet topology is adopted in com munication net design,the connectionless UDP protocol is used as com munication protocol,the multim edia tim er and non- blocking m ode is used in software design. The feasibility of forced real- tim e com munication is proved by the tests of real- tim e performance.A large am ount of experiment data shows that the proposed method can satisfy the real- time and reliable demands of power system s.
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