HOT-SPOT TEMPERATURE AND TEMPERATURE DECAY RATE MEASUREMENT IN THE OIL IMMERSED POWER TRANSFORMER THROUGH FBG BASED QUASI-DISTRIBUTED SENSING SYSTEM

被引：17

作者：

Deng, Jian-Gang ^{[1
]}

Nie, De-Xin ^{[2
]}

Pi, Ben-Xi ^{[2
]}

Xia, Li ^{[1
]}

Wei, Li ^{[1
]}

机构：

[1] Huazhong Univ Sci & Technol, 1037 Luoyu Rd, Wuhan 430074, Peoples R China

[2] WuHan NARI Ltd Liabil Co, State Grid Elect Power Res Inst, Wuhan 430074, Peoples R China

来源：

MICROWAVE AND OPTICAL TECHNOLOGY LETTERS | 2017年 / 59卷 / 02期

关键词：

oil immersed power transformer; fiber Bragg grating (FBG); quasi-distribution sensing system; hot-spot temperature measurement;

D O I：

10.1002/mop.30320

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：

This work demonstrates a quasi-distributed sensing method to obtain the accurate location and temperature value of hot-spot by placing Fiber Bragg Grating sensors in the conductor wires of transformer's windings. The quasi-distributed temperature measuring system can support the demodulation of up to 218 FBGs, and has the ability to obtain the temperature decay rates of windings, strips, iron cores, and top oil in a 35 kV/4000 kVA oil immersed power transformer through a temperature-rise test. (C) 2016 Wiley Periodicals, Inc.

引用

页码：472 / 475

页数：4

共 25 条

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