Analysis of Reactive Power Voltage Characteristic for Huainan-Nanjing-Shanghai UHV AC Transmission Lines

HAN Wenxuan; YE Jianhua; YANG Xiu; KANG Li; CUI Yong

doi:10.13296/j.1001-1609.hva.2017.06.006

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Analysis of Reactive Power Voltage Characteristic for Huainan-Nanjing-Shanghai UHV AC Transmission Lines

更新时间：2025-04-26

- Analysis of Reactive Power Voltage Characteristic for Huainan-Nanjing-Shanghai UHV AC Transmission Lines
- High VoltageApparatus Vol. 53, Issue 6, Pages: 30-35+41(2017)
- 作者机构：
  
  1. 上海电力学院
  2. 国网上海市电力公司电力科学研究院
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2017.06.006
  CLC： TM75
- Published：2017
- 稿件说明：
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[1]韩文轩,叶建华,杨秀,康丽,崔勇.淮苏沪交流特高压线路无功电压特性分析[J].高压电器,2017,53(06):30-35+41.

HAN Wenxuan, YE Jianhua, YANG Xiu, et al. Analysis of Reactive Power Voltage Characteristic for Huainan-Nanjing-Shanghai UHV AC Transmission Lines[J]. High voltageapparatus, 2017, 53(6): 30-35+41.
[1]韩文轩,叶建华,杨秀,康丽,崔勇.淮苏沪交流特高压线路无功电压特性分析[J].高压电器,2017,53(06):30-35+41. DOI： 10.13296/j.1001-1609.hva.2017.06.006.

HAN Wenxuan, YE Jianhua, YANG Xiu, et al. Analysis of Reactive Power Voltage Characteristic for Huainan-Nanjing-Shanghai UHV AC Transmission Lines[J]. High voltageapparatus, 2017, 53(6): 30-35+41. DOI： 10.13296/j.1001-1609.hva.2017.06.006.

摘要

了解交流特高压线路的无功电压特性对电网的安全稳定运行至关重要。利用BPA软件搭建淮南—南京—上海特高压潮流等值系统

对线路的感性无功补偿度、高峰和低谷方式下无功平衡情况进行分析;计算出反映输电能力和无功平衡状态分界点的自然功率及广义自然功率;分析输电线路在不同运行方式下的沿线电压分布特性。计算结果表明:特高压输电线路的无功补偿充足

满足高峰和低谷方式下的无功需求;广义自然功率约为自然功率的28.65%

00%;在5中不同运行方式下沿线电压幅值的最大值出现在泰州站和苏州站之间且电压能够控制在合理的范围内。淮苏沪特高压交流输变电工程的无功资源配置情况

满足其安全稳定运行的要求。

Abstract

To understand the characteristics of reactive power voltage of AC UHV transmission lines

an equivalent system of Huainan-Nanjing-Shanghai UHV AC power flow was built by using the software BPA.The reactive power compensation degree and the reactive power balance for peak and valley were analyzed

the natural power and generalized natural power of the UHV AC transmission line at the boundary point between transmission capacity and reactive balance state were calculated

and the characteristics of voltage distribution along the UHV transmission line in different operating modes were also analyzed.Calculation results show that:（1）The reactive power compensation is adequate for both peak

and valley requirements;（2）The generalized natural power accounts for about 28.65%

00% of the natural power;（3）The maximum voltage amplitude appears between Taizhou Substation and Suzhou Substation and the voltage can be controlled within a reasonable range in five different operating modes.The reactive power resource allocation of Huainan-Nanjing-Shanghai UHV AC power transmission project can meet its requirement for safe and stable operation.

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