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| Research and implementation of a parallel redundancy network in intelligent substation |
| Zhang Sa1, Zhang Huigang1, Li Zhong’an2 |
1. School of Electric Power Engineering, Nanjing Institute of Technology, Nanjing 211167;
2. NR Electric Co., Ltd, Nanjing 211102 |
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Abstract The principle of the Parallel Redundancy Protocol (PRP) in IEC 62439-3 is introduced. The basic structure of DANP and the principle of data frame operation are expounded in detail. In order to ensure the transmission performance of the communication network, a redundant discarding algorithm is implemented in Windows. The experiment shows that the substation communication network does not cause delay and can achieve seamless switching when single network fault occurs. The PRP network has the advantages of simple structure, high reliability and good economy, and will become one of the main research directions of the Intelligent Substation Communication.
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Received: 09 April 2018
Published: 31 August 2018
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2018, Vol. 19 
