电力系统保护与控制Issue(13)：28-38,11.
基于圆形度指标的电能质量综合评估方法
Comprehensive evaluation method of power quality based on circular degree indicators
周勇 1伍小兵 2熊龙珠 3李树奎4
作者信息
- 1. 长沙理工大学电气与信息工程学院，湖南 长沙 410004
- 2. 广西电网公司梧州供电局，广西 梧州 543002
- 3. 国网张家界供电公司，湖南 张家界 427000
- 4. 国网宁夏石嘴山供电公司，宁夏 石嘴山 753000
- 折叠
摘要
Abstract
Mathematical model and physical model are established for power quality problems in order to explore power quality issues conveniently. On the theoretical basis of the analysis posted on the closeness degree between actual electricity and ideal electricity, Fourier analysis method is introduced to describe closeness mathematically and practical significance of αβ two-phase synthetic curve is explained. Circular degree is presented to quantify steady power quality indicators. To verify the rationality of the theory, corresponding αβ two-phase synthetic curve of various power quality problems can be curved and circular degree can be calculated. On calculating circular degree, total harmonic distortion, plotting αβ two-phase synthetic curve, building fast Fourier transformation based on actual measured waveforms, consistency can be judged.关键词
电能质量/综合评估/贴近度/圆形度Key words
power quality/comprehensive evaluation/closeness degree/circular degree分类
信息技术与安全科学引用本文复制引用
周勇,伍小兵,熊龙珠,李树奎..基于圆形度指标的电能质量综合评估方法[J].电力系统保护与控制,2014,(13):28-38,11.
