Watthour meter accuracy under controlled unbalanced harmonic voltage and current conditions

被引：16

作者：

Domijan, A ^{[1
]}

EmbrizSantander, E ^{[1
]}

Gilani, A ^{[1
]}

Lamer, G ^{[1
]}

Stiles, C ^{[1
]}

Williams, CW ^{[1
]}

机构：

[1] FLORIDA POWER CORP,ST PETERSBURG,FL 33711

来源：

IEEE TRANSACTIONS ON POWER DELIVERY | 1996年 / 11卷 / 01期

关键词：

watthour meter; harmonics; power quality; unbalance; field monitoring; testing; waveform reproduction;

D O I：

10.1109/61.484002

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 presents the results of phase I of the project on the accuracy of watthour meters when subjected to closely-duplicated real-world unbalanced harmonic voltage and current conditions. Such real-world conditions involved differences in voltage and current magnitudes as well as differences in the voltage and current total harmonic distortion levels of each phase. Tests were performed on a selected sample of nine three-phase and three single-phase watthour meters. Some results showed that under a particular set of unbalanced waveforms with harmonic conditions of I-THD > 80% and V-THD > 2%, the percentage errors exhibited by these meters ranged from -10.09% to +0.52%.

引用

页码：64 / 72

页数：9

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