Fast response scheme of photovoltaic frequency based on self-adaptive transient droop control

SUN Ganghu; WANG Ennan; HE Ting; YANG Peihao; CHEN Jiying; KOU Shuichao; WANG Xiaohui; LI Junqing; GUO Xia; GAO Feng; XUE Lei

doi:10.19666/j.rlfd.201903037

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Fast response scheme of photovoltaic frequency based on self-adaptive transient droop control

更新时间：2025-09-28

- Fast response scheme of photovoltaic frequency based on self-adaptive transient droop control
- Thermal Power Generation Vol. 48, Issue 8, Pages: 94-100(2019)
- 作者机构：
  
  1. 西安热工研究院有限公司
  2. 华能国际电力股份有限公司贵州分公司
  3. 中国石油大学(华东)储运与建筑工程学院
  4. 华能湖南岳阳发电有限责任公司
- 作者简介：
- 基金信息：
- DOI：10.19666/j.rlfd.201903037
  CLC： TM615
- Published Online：01 August 2019，
  
  Published：2019
- 稿件说明：
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SUN Ganghu, WANG Ennan, HE Ting, et al. Fast response scheme of photovoltaic frequency based on self-adaptive transient droop control[J]. Thermal power generation, 2019, 48(8): 94-100.
DOI：

SUN Ganghu, WANG Ennan, HE Ting, et al. Fast response scheme of photovoltaic frequency based on self-adaptive transient droop control[J]. Thermal power generation, 2019, 48(8): 94-100. DOI： 10.19666/j.rlfd.201903037.

摘要

为了提高光伏发电系统快速频率响应效果

解决传统下垂控制中的功率分配误差和功率震荡问题

本文提出一种自适应暂态下垂控制方案。该方案根据输出功率自动调节有功功率下垂系数

并引入暂态因子

降低功率产生的波动。在自适应暂态下垂控制中

暂态分量的引入减小了动态响应时间

降低了输出功率的震荡幅值

改善了下垂控制的动态性能。通过MATLAB/Simulink仿真表明:本文方案可以有效减少输出功率的调节量

避免光伏逆变器的大范围调节

实现功率的最优分配。

Abstract

To improve the quick frequency response effect of photovoltaic power generation system and solve the problems of power distribution error and power oscillation occurred during conventional droop control

a selfadaptive transient droop control scheme is proposed in this paper. This scheme can automatically adjust the active power droop coefficient according to the output power

and introduce a transient factor

to reduce the fluctuation of power generation. In the self-adaptive transient droop control

the introduction of transient components reduces the dynamic response time

reduces the vibration amplitude of output power

and improves the dynamic performance of drooping control. The MATLAB/Simulink simulation results show that

the self-adaptive transient droop control scheme proposed in this paper can effectively reduce the regulation amount of output power

avoid the wide range regulation of photovoltaic inverter

and realize the optimal distribution of power.

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