无功补偿调压的拓展估算模型及其试验仿真

DING Xinhai; WANG Xianjia; HUANG Yong; DONG Mingqi; LEI Jun

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无功补偿调压的拓展估算模型及其试验仿真

更新时间：2025-08-13

- 无功补偿调压的拓展估算模型及其试验仿真
- Automation of Electric Power Systems Vol. 33, Issue 3, Pages: 94-97(2009)
- 作者机构：
  
  1. 武汉大学经济与管理学院,湖北省,武汉市,430072
  2. 华中电网有限公司技术中心,湖北省,武汉市,430077
  3. 武汉科技大学冶金工业过程系统科学湖北省重点实验室,湖北省,武汉市,430081
- 作者简介：
- 基金信息：
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- Published：2009
- 稿件说明：
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DING Xinhai, WANG Xianjia, HUANG Yong, et al. [J]. Automation of electric power systems, 2009, 33(3): 94-97.
DOI：

DING Xinhai, WANG Xianjia, HUANG Yong, et al. [J]. Automation of electric power systems, 2009, 33(3): 94-97. DOI：

摘要

相对于精确潮流计算，无功补偿与电压变化的关系可基于短路计算进行估算。变电站无功补偿调压一般通过低压母线的无功补偿调控其高（中）压母线电压，而目前无功补偿调压的一般估算模型只适用于估算无功补偿母线的电压变化。文中针对无功补偿调压一般估算模型的不足对其进行了拓展，建立了无功补偿调压的拓展估算模型，可用于估算主变低压无功补偿对其高（中）压母线电压的调节作用，也可用于无功补偿调压的机理性解释及变电站无功补偿容量的预估，并通过华中电网实际调度试验和仿真计算验证了拓展估算模型的正确性、精确性和实用性。

Abstract

Different from precise power flow calculation， voltage adjustment induced by shunt VAR compensation can be estimated based on short calculation. Reactive power compensators in substation are generally connected in parallel to the low-voltage bus of a transformer and used to adjust the voltage of high-voltage or mid-voltage bus. While， the general estimation model of voltage adjustment by shunt VAR compensation can only be used to estimate the compensated bus voltage. In order to estimate voltage adjustment of a transformer's high-voltage and mid-voltage bus induced by shunt VAR compensation at its low-voltage bus， a corresponding expanded model is established and it can also be used to explain the mechanism of voltage adjusted by shunt VAR compensation as well as to estimate the requirement of substation shunt VAR compensation. The correctness， accuracy and practicality of the expanded estimation model are validated by the real experiments in Central China Power Grid and the corresponding simulative calculation.

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