Closed-loop system to control discharge level for studying the effect of long-term corona discharge

被引：0

作者：

Karimi, Ebrahim ^{[1
]}

Jin, Zhiyang ^{[1
]}

Laso, Andres ^{[2
]}

Mucha, Martin ^{[2
]}

Graber, Lukas ^{[1
]}

机构：

[1] Georgia Inst Technol, Sch Elect & Comp Engn, Atlanta, GA 30332 USA

[2] G&W Elect Co, Bolingbrook, IL USA

来源：

2023 IEEE CONFERENCE ON ELECTRICAL INSULATION AND DIELECTRIC PHENOMENA, CEIDP | 2023年

关键词：

closed-loop control; LabVIEW; MATLAB; partial discharge; dielectric gas; PD detector; GAS;

D O I：

暂无

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：

In order to study the effect of long-term partial discharge on dielectric gases and determine the relation between gas compositions and PD levels, it is necessary to hold discharge magnitudes in a narrow range. This is not easy due to continuous change in the dielectric medium's chemical composition as well as potential erosion of high voltage conductor and insulator surfaces. A closed-loop control system is proposed here that adjusts the output voltage of the test transformer via a motoroperated variac. As a result of the verification tests under ambient, nitrogen, and a C4F7N/CO2 mixture, the average partial discharge magnitude remained constant with an +/- 3% error.

引用

页数：4

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