Development of PD on-line monitoring system for large turbine generators

被引：1

作者：

Huang, CJ ^{[1
]}

Yu, WY ^{[1
]}

Wei, W ^{[1
]}

机构：

[1] Shanghai Jiao Tong Univ, Power Sch, Shanghai 200030, Peoples R China

来源：

CONFERENCE RECORD OF THE 2002 IEEE INTERNATIONAL SYMPOSIUM ON ELECTRICAL INSULATION | 2002年

关键词：

D O I：

10.1109/ELINSL.2002.995872

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

The feature of partial discharge (PD) is an important aspect of generators' insulation. The paper introduces an automatic on-line PD monitoring system for large turbine generators. By using digital signal processor (DSP) sampling technology, the system can get long duration PD signal with high sampling rate. Fast Fourier Transform (FFT) analysis, Finite Impulse Response (FIR) filter, Adaptive filter and Wavelet analysis have been used in data processing. DSP, high performance industry computer and multi-CPU server provide powerful ability for data processing. Client/Server structure and Fiber Distributed Data Interface (FDDI) network have been used in the system, so it can be expand to the distributing monitoring system for monitoring several generators in the same power plant simultaneously. Information of PD pulse can be kept in the database in server permanently; it can be used to follow the track of large generators aging. The system can recognize several typical PD in large turbine generator. Results from large turbine generators are given at the end of the paper.

引用

页码：23 / 26

页数：4

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