Overview on On-Line Status Identification Technology of Synchronous Generator Excitation System

doi:10.11985/2017.08.001

Abstract

Abstract:

In the paper, on-line measurement and identification of excitation system parameter is divided into three sections: real-time information acquisition, on-line parameter identification and on-line performance evaluation. The research situationis reviewed, and the related theories and key technologies of on-line measurement and identification of excitation system parameter are discussed and analyzed. The results show that the real-time information acquisition section has great improvement on measurement time synchronization and spatial extensibility, new on-line monitoring technology such as intelligent electronic device and the basic theory of its application needs further study. For on-line parameter identification of the excitation system, the parameter identification based on disturbance of the grid has strong nonlinear parameter identification and noise suppression capability and meets the current system on-line identification needs, it is necessary to carry out research on new identification algorithm and classification identification strategy to be further enhanced. The existing theoretical system of excitation system performance evaluation mainly focuses on the qualitative benchmarking, and research on excitation system performance classification evaluation needs to be developed.

Key words: Synchronous generator, excitation system, on-line measurement and identification, performance evaluation

CLC Number:

TM341

Qiao Guanlun,Li Fuxing,Li Wutong,Shen Xiaojun. Overview on On-Line Status Identification Technology of Synchronous Generator Excitation System[J]. Journal of Electrical Engineering, 2017, 12(8): 1-9.

Figures/Tables 6

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