| 中压配电网规划中馈线电气计算的估算方法 |
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| 引用本文： | 赵俊光,王主丁,乐欢. 中压配电网规划中馈线电气计算的估算方法[J]. 电力系统自动化, 2008, 32(16): 98-102 |
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| 作者姓名： | 赵俊光 王主丁 乐欢 |
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| 作者单位： | 重庆大学输配电装备及系统安全与新技术国家重点实验室,重庆市,400044;重庆星能电气有限公司,重庆市,400039 |
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| 基金项目： | 科技部科研院所技术开发研究专项资金 |
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| 摘 要： | 针对中压配电网规划的特点，介绍并推导了用于估算馈线主干线有功损耗的方法———损失系数法，提出了不同典型负荷分布情况下对馈线主干线电压损耗的估算公式及其电压损失系数表。结合电网实际情况，提出了有效考虑配电变压器损耗的配电网线损估算方法，并基于电压损失系数表提出了在各种典型负荷分布情况下对馈线低电压问题的快速判断法，为配电网规划工作提供实用性参考。
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| 关 键 词： | 配电网规划 损失系数法 损耗估算 有功损耗 电压损耗 低电压判据 |
| 收稿时间： | 2008-04-02 |
| 修稿时间： | 2008-08-05 |
Estimation Method for Electrical Calculation of Feeders in Middle Voltage Distribution Network Planning |
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| ZHAO Junguang,WANG Zhuding,YUE Huan. Estimation Method for Electrical Calculation of Feeders in Middle Voltage Distribution Network Planning[J]. Automation of Electric Power Systems, 2008, 32(16): 98-102 |
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| Authors: | ZHAO Junguang WANG Zhuding YUE Huan |
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| Abstract: | Firstly,combining the characteristics of middle voltage distribution network planning,a loss coefficient method for estimating the real power loss of a main feeder is introduced.Then it is expanded to estimate the voltage drop of a main feeder under various typical load distributions.The voltage drop coefficient table is also given,with which a fast identification of low voltage can be realized for a main feeder under different load distributions.In addition,the loss estimation of distribution transformers is considered in the loss coefficient method.This paper aims at providing practical reference for distribution network planning. |
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| Keywords: | distribution network planning loss coefficient method loss estimation real power loss voltage drop low voltage identification |
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