| 基于导纳修正的配电网状态估计方法 |
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| 引用本文： | 彭谦,杨以涵. 基于导纳修正的配电网状态估计方法[J]. 电网技术, 2007, 31(8): 83-86 |
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| 作者姓名： | 彭谦 杨以涵 |
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| 作者单位： | 电力系统保护与动态安全监控教育部重点实验室(华北电力大学),北京市,昌平区,102206;电力系统保护与动态安全监控教育部重点实验室(华北电力大学),北京市,昌平区,102206 |
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| 摘 要： | 文中给出一种修正导纳的状态估计方法。通过修正注入节点的等效导纳，逐步迭代减小导纳的偏差，理论推导证明了该方法的正确性。应用IEEE 30节点算例仿真表明，该方法精度高、计算速度快、编程简单、适于配电网状态估计。
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| 关 键 词： | 电力系统 配电网 状态估计 |
| 文章编号： | 1000-3673(2007)08-0083-04 |
| 修稿时间： | 2007-01-08 |
State Estimation for Distribution Network Based on Modification of Admittance |
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| PENG Qian,YANG Yi-han. State Estimation for Distribution Network Based on Modification of Admittance[J]. Power System Technology, 2007, 31(8): 83-86 |
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| Authors: | PENG Qian YANG Yi-han |
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| Affiliation: | Key Laboratory of Power System Protection and Dynamic Security Monitoring and Control (North China Electric Power University)，Ministry of Education，Changping District，Beijing 102206，China |
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| Abstract: | A state estimation method based on modifying admittance is proposed, in which by means of modifying the equivalent admittance of injection node, the deviation of admittance is reduced by stepwise iteration. The correctness of the proposed method is proved by theoretical derivation. Simulation results of IEEE 30-bus system show that the proposed method possesses following advantages such as high accuracy, high calculation speed and easy to programme, so it is suitable for state estimation of distribution networks. |
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| Keywords: | power system distribution network state estimation |
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