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| 电动机综合负荷模型经过传输元件的折算公式 | |
| 引用本文： | 施雄华,鞠平,张伟,于永军,祁晓笑,姚秀萍,孙宜谦,常喜强,陈谦.电动机综合负荷模型经过传输元件的折算公式[J].电力系统自动化,2008,32(17):35-39. |
| 作者姓名： | 施雄华 鞠平 张伟 于永军 祁晓笑 姚秀萍 孙宜谦 常喜强 陈谦 |
| 作者单位： | 1. 河海大学电气工程学院,江苏省南京市,210098 2. 新疆电力科学研究院,新疆维吾尔自治区乌鲁木齐市,830000 3. 新疆电力公司调度中心,新疆维吾尔自治区乌鲁木齐市,830000 |
| 摘 要： | 在计及传输元件阻抗和负荷阻抗的条件下，从理论上推导了电动机综合负荷模型经过传输元件向高压侧折算的公式。该等值模型没有改变原来负荷模型的模型结构，只需对部分参数进行适当调整，即可等值描述接于高压母线的动态负荷特性。折算公式为电力负荷建模提供了理论基础，算例结果验证了折算公式的正确性和准确性。同时，从定性和定量2个角度，分析了折算前后参数的变化规律。 |
| 关 键 词： | 负荷等值模型 配电网 电动机 电力系统 |
| 收稿时间： | 3/31/2008 5:12:35 PM |
| 修稿时间： | 8/22/2008 8:14:31 AM |
A Composite Induction Motor Load Model for Conversion Between Different Voltage Sides Through the Transmission Element |
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| SHI Xionghu,JU Ping,ZHANG Wei,YU Yongjun,QI Xiaoxiao,YAO Xiuping,SUN YiqianCHANG Xiqiang,CHEN Qian.A Composite Induction Motor Load Model for Conversion Between Different Voltage Sides Through the Transmission Element[J].Automation of Electric Power Systems,2008,32(17):35-39. | |
| Authors: | SHI Xionghu JU Ping ZHANG Wei YU Yongjun QI Xiaoxiao YAO Xiuping SUN YiqianCHANG Xiqiang CHEN Qian |
| Abstract: | With the impedance of both the transmission element and load taken into account,the formula for the conversion of the composite induction motor load model from the low voltage side to higher voltage side is derived.The structure of the equivalent load model is the same as the original one,with only part of the parameters modified to describe the dynamic load characteristics on the high voltage side.The formula can provide a theoretical basis to load modeling methodology.The simulation results have verified the correctness and accuracy of the formula and described the parameter variation before and after conversion qualitatively and quantitatively. |
| Keywords: | equivalent load model distribution network induction motor electric power systems |
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