CALIBRATING THE UHF TECHNIQUE OF PARTIAL DISCHARGE DETECTION USING A PD SIMULATOR

被引：11

作者：

SELLARS, AG ^{[1
]}

MACGREGOR, SJ ^{[1
]}

FARISH, O ^{[1
]}

机构：

[1] UNIV STRATHCLYDE,CTR ELECT POWER ENGN,GLASGOW G1 1XW,LANARK,SCOTLAND

来源：

IEEE TRANSACTIONS ON DIELECTRICS AND ELECTRICAL INSULATION | 1995年 / 2卷 / 01期

关键词：

D O I：

10.1109/94.368679

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 paper describes a technique for simulating the presence of partial discharges in gas-insulated substation (GIS) equipment. The technique employs a pulse generator to inject current pulses through a suitable protrusion, The current pulses have similar temporal characteristics to those produced by an actual discharge event, with the added advantage that their magnitudes can be controlled accurately. Because the pulses are highly reproducible, they are ideally suited for investigating the UHF technique of partial discharge detection. The paper discusses the relationship between the magnitude of the UHF signal received by a coupler and the discharge magnitude. It also shows that the coupler signal is dependent on the protrusion length and on the spatial relationship between the protrusion and the coupler. The implications for practical discharge measurements in GIS also are discussed.

引用

页码：46 / 53

页数：8

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