| 吴舒萍,黄兴平,许建安.有功功率测量误差分析[J].电气自动化,2014,36(1):105~106 |
| 有功功率测量误差分析 |
| Analysis of Active Power Measurement Error |
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| DOI： |
| 中文关键词: 对称分量 有功功率 三相三线 三相四线 测量误差 |
| 英文关键词:symmetrical components active power 3 phase 3 circuit 3 phase 4 wire measurement error |
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| 中文摘要: |
| 用对称分量分析了三序功率与三相功率间的关系，得出三相功率是同一相序的电压与电流的对称分量函数；三相电路平衡时，用两瓦法能正确测量三相三线电路功率，当三相四线电路不平衡时，用两瓦法测量功率存在误差。 |
| 英文摘要: |
| Using symmetrical components, this paper analyzes the relationship between 3 sequence power and 3 phase power and concludes that 3 phase power is a function of the symmetrical components of voltages and currents of the same phase sequence. When the 3 phase circuit is in a balanced condition, we can correctly measure the power of the 3 phase 3 wire circuit in the 2 bush method. If the 3 phase 4 wire circuit is not balanced, there might be errors with the power measurement in the 2 bush method. |
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