Compensation of UHV Access Grid by Shunt Reactors

ZHANG Yonggao; CHANG Kaixuan; SU Yongchun

doi:10.13296/j.1001-1609.hva.2016.01.001

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Compensation of UHV Access Grid by Shunt Reactors

更新时间：2025-04-26

- Compensation of UHV Access Grid by Shunt Reactors
- High VoltageApparatus Vol. 52, Issue 1, Pages: 1-6+14(2016)
- 作者机构：
  
  1. 华东交通大学
  2. 江西省电力科学研究院
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2016.01.001
  CLC： TM472
- Published：2016
- 稿件说明：
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[1]章勇高,常凯旋,苏永春.特高压接入电网的并联电抗器补偿研究[J].高压电器,2016,52(01):1-6+14.

ZHANG Yonggao, CHANG Kaixuan, SU Yongchun. Compensation of UHV Access Grid by Shunt Reactors[J]. High voltageapparatus, 2016, 52(1): 1-6+14.
[1]章勇高,常凯旋,苏永春.特高压接入电网的并联电抗器补偿研究[J].高压电器,2016,52(01):1-6+14. DOI： 10.13296/j.1001-1609.hva.2016.01.001.

ZHANG Yonggao, CHANG Kaixuan, SU Yongchun. Compensation of UHV Access Grid by Shunt Reactors[J]. High voltageapparatus, 2016, 52(1): 1-6+14. DOI： 10.13296/j.1001-1609.hva.2016.01.001.

摘要

根据江西特高压输电规划

以均匀传输方程为基础

不计特高压输电线路的电导

创建包括电容电阻和电感分布参数的特高压π型等值电路。以鄂赣特高压为例

基于ADPSS实时仿真系统

通过机电电磁混合仿真

得出了并联电抗器补偿与特高压稳态电压和暂态电压的关系。分析了并联电抗器不同加装位置和不同补偿度对特高压稳态电压以及对暂态工频过电压的影响

并根据输电线路输送功率、线路损耗和电压偏差与补偿度的关系建立目标函数

寻求最优补偿。分析结果为特高压接入电网的规划及建设提供参考。

Abstract

According to the UHV power transmission plan of Jiangxi Province

a UHV π-type equivalent circuit without conductance is derived based on the uniform transfer equation. This equivalent circuit includes the distribution parameters of capacitor

resistor and inductor. Taking Hubei-Jiangxi UHV power transmission line as an example

the relationship of compensation by shunt reactors with steady-state voltage and transient voltage is achieved via electromechanical and electromagnetic hybrid simulation based on the advanced digital power system simulator（ADPSS）. The influences of shunt reactors’ location and degree of compensation on steady-state voltage and transient power frequency overvoltage of the UHV power transmission line are analyzed. Moreover

an objective function is established based on the relationship of compensation degree with the power transmission line’s transmission power

voltage deviation

and losses

thus the optimum compensation is obtained. This study may provide a reference for plan and construction of UHV access grids.

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