Watthour meter accuracy under controlled unbalanced harmonic voltage and current conditions
Journal Article
·
· IEEE Transactions on Power Delivery
- Univ. of Florida, Gainesville, FL (United States). Dept. of Electrical Engineering
- Florida Power Corp., St. Petersburg, FL (United States)
This work presents the results of phase 1 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{sub THD} > 80% and V{sub THD} > 2%, the percentage errors exhibited by these meters ranged from {minus}10.09% to +0.52%.
- OSTI ID:
- 218286
- Report Number(s):
- CONF-950103-; ISSN 0885-8977; TRN: IM9619%%7
- Journal Information:
- IEEE Transactions on Power Delivery, Vol. 11, Issue 1; Conference: Winter meeting of the IEEE Power Engineering Society, New York, NY (United States), 29 Jan - 2 Feb 1995; Other Information: PBD: Jan 1996
- Country of Publication:
- United States
- Language:
- English
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