Study on Voltage Control Strategy of Doubly Fed Wind Turbine

WANG Yajing; MA Yiping; WANG Jiqing; YAN Haojun; KANG Jiale; WANG Huaiyuan; WEN Buying

doi:10.14044/j.1674-1757.pcrpc.2019.02.031

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Study on Voltage Control Strategy of Doubly Fed Wind Turbine

更新时间：2024-09-14

- Study on Voltage Control Strategy of Doubly Fed Wind Turbine
- POWER CAPACITOR & REACTIVE POWER COMPENSATION Vol. 40, Issue 2, Pages: 172-177(2019)
- 作者机构：
  
  1. 宁波市电力设计院有限公司
  2. 福州大学
- 作者简介：
- 基金信息：
- DOI：10.14044/j.1674-1757.pcrpc.2019.02.031
  CLC： TM315
- Published：2019，
- 稿件说明：
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[1]汪雅静,马益平,王吉庆,严浩军,康家乐,王怀远,温步瀛.双馈式风电机组直接电压控制策略研究[J].电力电容器与无功补偿,2019,40(02):172-177.

WANG YAJING, MA YIPING, WANG JIQING, et al. Study on Voltage Control Strategy of Doubly Fed Wind Turbine. [J]. Power capacitor & reactive power compensation, 2019, 40(2): 172-177.
[1]汪雅静,马益平,王吉庆,严浩军,康家乐,王怀远,温步瀛.双馈式风电机组直接电压控制策略研究[J].电力电容器与无功补偿,2019,40(02):172-177. DOI： 10.14044/j.1674-1757.pcrpc.2019.02.031.

WANG YAJING, MA YIPING, WANG JIQING, et al. Study on Voltage Control Strategy of Doubly Fed Wind Turbine. [J]. Power capacitor & reactive power compensation, 2019, 40(2): 172-177. DOI： 10.14044/j.1674-1757.pcrpc.2019.02.031.

摘要

风电渗透率的提高给电力系统安全稳定运行带来了新的问题

特别是风电接入后的电压稳定性。为了充分利用双馈式风电机的电压控制能力

本文提出了一种直接电压控制策略

其将电压偏离值通过一阶惯性环节得到的电流参考值作为DFIG变流器内环电流控制的输入信号

以DFIG的输出功率为控制对象

实现电压控制。仿真结果表明

风电机组采用直接电压控制策略

在系统遭受扰动时通过快速无功电压调节

能够有效控制风电场并网点电压

并且局部系统电压水平恢复良好

为DFIG风电场参与系统协调电压控制打下了基础。

Abstract

The increase of wind power penetration has brought new problems to the safe and stable operation of power system

especially the voltage stability after wind power integration. In order to make full use of DFIG’s voltage control ability

a direct voltage control strategy is proposed in this paper

which takes the current reference value obtained from the first-order inertia step of the voltage deviation as the DFIG converter inner-loop current control of the input signal to the output power of the DFIG as the control object

to achieve voltage control. The simulation results show that the wind farm using direct voltage control strategy

with fast reactive voltage regulation during system disturbances

can effectively control the wind farm grid-connected point voltage and local system voltage levels can be restored well. This can lay the foundation for DFIG wind farm to participate in system coordinated voltage control.

关键词

风电并网电压控制策略无功电压调节协调电压

Keywords

wind power integrationvoltage control strategyreactive voltage regulationvoltage coordination

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