Study on UFLS Scheme of Xinjiang Power Grid Under High Wind Power Penetration

ZHANG Zhuowei; FAN Yanfang; ZHANG Feng; WANG Heng

doi:10.14044/j.1674-1757.pcrpc.2018.06.023

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Study on UFLS Scheme of Xinjiang Power Grid Under High Wind Power Penetration

更新时间：2024-09-14

- Study on UFLS Scheme of Xinjiang Power Grid Under High Wind Power Penetration
- POWER CAPACITOR & REACTIVE POWER COMPENSATION Vol. 39, Issue 6, Pages: 114-118(2018)
- 作者机构：
  
  1. 新疆大学电气工程学院
  2. 国网新疆电力调度控制中心
- 作者简介：
- 基金信息：
- DOI：10.14044/j.1674-1757.pcrpc.2018.06.023
  CLC： TM614
- Published：2018，
- 稿件说明：
移动端阅览
[1]张酌伟,樊艳芳,张锋,王衡.高风电渗透率下新疆电网低频减载方案研究[J].电力电容器与无功补偿,2018,39(06):114-118.

ZHANG ZHUOWEI, FAN YANFANG, ZHANG FENG, et al. Study on UFLS Scheme of Xinjiang Power Grid Under High Wind Power Penetration. [J]. Power capacitor & reactive power compensation, 2018, 39(6): 114-118.
[1]张酌伟,樊艳芳,张锋,王衡.高风电渗透率下新疆电网低频减载方案研究[J].电力电容器与无功补偿,2018,39(06):114-118. DOI： 10.14044/j.1674-1757.pcrpc.2018.06.023.

ZHANG ZHUOWEI, FAN YANFANG, ZHANG FENG, et al. Study on UFLS Scheme of Xinjiang Power Grid Under High Wind Power Penetration. [J]. Power capacitor & reactive power compensation, 2018, 39(6): 114-118. DOI： 10.14044/j.1674-1757.pcrpc.2018.06.023.

摘要

随着风力发电的迅速发展

风电出力波动所引起的系统频率特性差异导致原有的低频减载方案不再适用于高风电渗透率下的电网。本文以高风电渗透率下的新疆电网为背景

基于PSASP对新疆全网和局部孤网进行频率特性分析

针对新疆全网

提出缩短动作频差和动作延迟的调整方案;对于网架结构较弱、调节性能偏低的局部孤网

根据区间差异分区制定切负荷比例

在保证系统频率快速恢复的前提下

尽可能减少负荷切除量

最终确定既满足全网频率特性要求又考虑局部地区孤网频率差异的低频减载方案。通过算例分析

验证了方案的合理性。

Abstract

With the rapid development of wind power

the difference in frequency characteristics caused bythe fluctuation of wind power output causes the original low frequency load shedding scheme no longer ap-ply to the grid under high wind power permeability. In this paper

Xinjiang power grid with high wind pow-er penetration is taken as the background

the frequency characteristic analysis is performed for the wholeand partial grid in Xinjiang based on PSASP

the adjustment proposal on shortening action frequency difference and action delay for the whole grid in Xinjiang is proposed. As for the partial isolated grid with weakgrid structure and low regulation performance

the cut load ratio is specified as per interval difference andload cut shall be reduced as much as possible under the condition of assuring fast recovery of system. Final-ly

the low frequency load shedding scheme that satisfies the frequency characteristics of the whole net-work and considers the frequency difference of the isolated network in the local area is determined. The ra-tionality of the proposal is verified by the simulation results of examples.

关键词

高风电渗透率动作频差频率特性低频减载（UFLS）

Keywords

high wind permeabilityaction frequency differencefrequency characteristicunder freauency load shedding（UFLS）

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