An optimization method for regional renewable energy output distribution considering the voltage support strength constraints

ZHANG Hanhua; XUE Fei; LI Hongqiang; WU Meirong; GU Wenbo

doi:10.3969/j.issn.1672-3643.2024.01.002

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An optimization method for regional renewable energy output distribution considering the voltage support strength constraints

更新时间：2026-07-27

- An optimization method for regional renewable energy output distribution considering the voltage support strength constraints
- Ningxia Electric Power Issue 1, (2024)
- 作者机构：
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- DOI：10.3969/j.issn.1672-3643.2024.01.002
  CLC：
- Online First：22 April 2024，
  
  Published：2024
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ZHANG Hanhua, XUE Fei, LI Hongqiang, et al. An optimization method for regional renewable energy output distribution considering the voltage support strength constraints[J]. Ningxia Electric Power, 2024, (1).
DOI：

ZHANG Hanhua, XUE Fei, LI Hongqiang, et al. An optimization method for regional renewable energy output distribution considering the voltage support strength constraints[J]. Ningxia Electric Power, 2024, (1). DOI： 10.3969/j.issn.1672-3643.2024.01.002.

摘要

建设大规模新能源基地，并经特高压直流送出已成为新能源开发利用的重要形式，但随着新能源接入占比的抬升，系统电压支撑强度不足并引发暂态过电压问题凸显，已严重制约直流送电能力及新能源接纳能力。新能源多场站短路比是衡量系统电压支撑强度的有效手段，通过揭示新能源出力对短路比的影响规律，明确了新能源出力分布优化的可行性，进而构建基于新能源多场站短路比约束的区域新能源出力分布优化问题的实施框架，提出基于模拟退火算法的出力优化方法。以国内某省级电网为例，仿真验证了算法对提升区域新能源消纳能力的效果。仿真表明，所提出的出力优化方法可以提升新能源消纳能力70%以上。

Abstract

The construction of large-scale renewable energy bases and their integration into the grid through ultra-high voltage direct current (UHVDC) transmission have become important in developing and utilizing renewable energy.However

the increasing proportion of renewable energy has highlighted challenges

particularly the insufficiency of system voltage support and the emergence of transient overvoltage issues.These problems have seriously restricted the capability of direct current (DC) transmission and the grid's ability to incorporate new renewable energy sources.The multiple renewable energy stations of short-circuit ratio (MRSCR) is an effective measure for assessing the system's voltage support strength.By examining the influence impact of renewable energy output on the MRSCR

the feasibility of optimizing renewable energy output distribution is defined.Furthermore

an implemented framework for regional renewable energy output distribution

constrained by MRSCR is constructed

and an optimization method based on the simulated annealing algorithm is proposed.Finally

the algorithm's effectiveness in enhancing regional renewable energy absorption capacity is verified through simulations on a provincial-level power grid in China.The simulation results show that the proposed output optimization method can increase the absorption capacity of renewable energy by more than 70%.

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