Outward Transmission Capacity Analysis Under the Background of UHV AC/DC Power Grid

XU Yunfei; JIN Guofeng; LIU Yang; ZHANG Jianhua; MENG Yuan; LONG Rishang; HU Hao; TAN Tao

doi:10.13296/j.1001-1609.hva.2018.10.006

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Outward Transmission Capacity Analysis Under the Background of UHV AC/DC Power Grid

更新时间：2025-04-26

- Outward Transmission Capacity Analysis Under the Background of UHV AC/DC Power Grid
- High VoltageApparatus Vol. 54, Issue 10, Pages: 33-37(2018)
- 作者机构：
  
  1. 国网内蒙古东部电力有限公司经济技术研究院
  2. 华北电力大学新能源电力系统国家重点实验室
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2018.10.006
  CLC： TM721
- Published：2018
- 稿件说明：
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[1]许云飞,金国锋,刘阳,张建华,蒙园,龙日尚,胡浩,谭涛.特高压交直流背景下电网外送电能力分析[J].高压电器,2018,54(10):33-37.

XU Yunfei, JIN Guofeng, LIU Yang, et al. Outward Transmission Capacity Analysis Under the Background of UHV AC/DC Power Grid[J]. High voltageapparatus, 2018, 54(10): 33-37.
[1]许云飞,金国锋,刘阳,张建华,蒙园,龙日尚,胡浩,谭涛.特高压交直流背景下电网外送电能力分析[J].高压电器,2018,54(10):33-37. DOI： 10.13296/j.1001-1609.hva.2018.10.006.

XU Yunfei, JIN Guofeng, LIU Yang, et al. Outward Transmission Capacity Analysis Under the Background of UHV AC/DC Power Grid[J]. High voltageapparatus, 2018, 54(10): 33-37. DOI： 10.13296/j.1001-1609.hva.2018.10.006.

摘要

从多馈入直流系统稳定性分析理论出发

延伸得出多送出特高压交直流背景下电网外送电能力分析方法。其中

由多馈入短路比指标延伸得出多送出短路比指标

通过设定多送出短路比指标求得电网此时的外送电能力

再利用BPA仿真平台进行稳定性分析

根据分析结果对多送出短路比指标进行不断修正

调整外送电容量直至多送出短路比指标达到设定值

最终得出电网的外送电能力

为建设特高压直流线路提供意见和建议。

Abstract

Based on the stability analysis theory of multi-infeed high voltage direct current（HVDC）system

thetransmission capacity analysis method of multi-send ultra high voltage（UHV）AC/DC power grid is studied in thispaper. By extending the multi-infeed short circuit ratio index

we can get the multi-send short circuit ratio index（MS-SCR）. The present outward transmission capacity of the power grid is obtained by setting the MSSCR

and then thestability of the system is analyzed by using BPA simulation platform. The MSSCR is revised according to the analysisresults

and adjust the outward transmission capacity until MSSCR reaches the set value

which is the final outwardtransmission capacity of the grid

and provides opinions and suggestions for the construction of UHV DC lines.

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