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Serial Failure Diagnosis of a Transmission Line Protection Relaying System by Petri Nets
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作者 Zhang Zhiming Wang Yue +1 位作者 Tao Ran &Zhou Siyong Dept. of Electronics Engineering, Beijing Institute of Technology, 100081, P. R. China 《Journal of Systems Engineering and Electronics》 SCIE EI CSCD 2001年第1期59-64,共6页
With the development of large-scale complicated modern power systems, the requirement for the associated protection scheme tends to be more stringent and its combination more complex. However, it is very difficult to ... With the development of large-scale complicated modern power systems, the requirement for the associated protection scheme tends to be more stringent and its combination more complex. However, it is very difficult to figure out the factors of failure of such systems. This paper proposes a Petri net model of a transmission line protection relaying system, including three types of relays as well as an automatic reclosing device, and shows how to diagnose serial failure of the system by analyzing invariant sets of the model. Furthermore, it gives four basic types of failure sequences and its execution is much more intuitive and effective than the traditional method. 展开更多
关键词 electric fault location electric power system protection electric relays Failure analysis Mathematical models Petri nets Relay protection
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