Measurements and correction of no-load losses of power transformers

被引：10

作者：

Arseneau, R ^{[1
]}

So, E

Hanique, E

机构：

[1] Natl Res Council Canada, Inst Natl Measurement Stand, Ottawa, ON K1A 0R6, Canada

[2] SMIT Transformers, NL-6531 JC Nijmegen, Netherlands

来源：

IEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT | 2005年 / 54卷 / 02期

关键词：

average voltmeter; corrected losses; no-load loss measurements; power transformer; rms voltmeter; total harmonic distortion (THD); voltage distortion;

D O I：

10.1109/TIM.2004.843407

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 paper investigates the practice of correcting the results of no-load loss measurements of power transformers for the effect of distorted supply voltage waveform. A three-phase 700-MVA power transformer is tested twice: first with its low-voltage windings connected line-to-neutral, with nearly sinusoidal test voltage conditions, and then for the second test with its windings connected line-to-line with more distorted voltage waveforms. The test data obtained during the measurement was reproduced at the National Research Council (NRC) Laboratory to demonstrate the limits of the application of the loss correction formula currently used.

引用

页码：503 / 506

页数：4

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