Measurement and analysis of electromagnetic disturbance at the secondary side of electronic voltage transformer due to switching operations via a 6 kv switchgear

In this paper, the transient disturbance voltage induced at the secondary side of the electronic voltage transformer are measured when the circuit breaker of a 6kV switchgear are open/closed. The typical characteristics of the measured voltage waveform are analyzed. The results show that the wavefor...

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Published in2017 IEEE 5th International Symposium on Electromagnetic Compatibility (EMC-Beijing) pp. 1 - 4
Main Authors Yan Wu, Yi-fan Hu, Ri He, Chong-qing Jiao
Format Conference Proceeding
LanguageEnglish
Published IEEE 01.10.2017
Subjects
6 kV switchgear
electromagnetic disturbance
electronic instrument transformer
Instrument transformers
Switches
Switchgear
switching operation
Time-domain analysis
Transient analysis
Voltage measurement
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Summary:In this paper, the transient disturbance voltage induced at the secondary side of the electronic voltage transformer are measured when the circuit breaker of a 6kV switchgear are open/closed. The typical characteristics of the measured voltage waveform are analyzed. The results show that the waveform looks like a damped oscillatory wave with peak voltage up to 50.62V, the rise time about 8~16ns, and the dominant frequencies between 1-60MHz. These results are helpful for establishing the immunity test standard waveform for secondary equipment deployed around the switchgear.
ISBN:1509051848
9781509051847
DOI:10.1109/EMC-B.2017.8260347