Research of the Influence of Photovoltaic Access on Small Disturbance Stability of the System

MIAO Changyue; WANG Weiqing; WANG Haiyun; LI Ziming; LYU Chao; MEI Yongzhen; LI Zhaoyang

doi:10.13296/j.1001-1609.hva.2019.07.030

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Research of the Influence of Photovoltaic Access on Small Disturbance Stability of the System

更新时间：2025-04-26

- Research of the Influence of Photovoltaic Access on Small Disturbance Stability of the System
- High VoltageApparatus Vol. 55, Issue 7, Pages: 211-215(2019)
- 作者机构：
  
  新疆大学电气工程学院可再生能源发电与并网技术教育部工程研究中心
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2019.07.030
  CLC： TM615;TM712
- Published：2019
- 稿件说明：
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[1]苗长越,王维庆,王海云,李自明,吕超,梅永振,李朝阳.光伏接入对系统小干扰稳定的影响研究[J].高压电器,2019,55(07):211-215.

MIAO Changyue, WANG Weiqing, WANG Haiyun, et al. Research of the Influence of Photovoltaic Access on Small Disturbance Stability of the System[J]. High VoltageApparatus, 2019, 55(7): 211-215.
[1]苗长越,王维庆,王海云,李自明,吕超,梅永振,李朝阳.光伏接入对系统小干扰稳定的影响研究[J].高压电器,2019,55(07):211-215. DOI： 10.13296/j.1001-1609.hva.2019.07.030.

MIAO Changyue, WANG Weiqing, WANG Haiyun, et al. Research of the Influence of Photovoltaic Access on Small Disturbance Stability of the System[J]. High VoltageApparatus, 2019, 55(7): 211-215. DOI： 10.13296/j.1001-1609.hva.2019.07.030.

摘要

针对光伏并网后系统小干扰稳定性的变化情况

基于MATLAB-PSAT仿真软件搭建了IEEE5机14节点光伏接入系统

详细研究了不同光伏渗透功率水平下光伏接入对系统振荡模式阻尼特性的影响。仿真结果表明:光伏的加入不会新增主导的振荡模式;降低网内机组出力而增加的风电渗透功率时

光伏渗透功率对振荡模式阻尼比的增幅不大;光伏接入位置对系统整体阻尼特性的影响与发电机有关。

Abstract

In allusion to the variation of small disturbance stability of power grid after grid-connection of solar photo-voltaic generation in this paper

the 14 nodes photovoltaic access system of IEEE5 based on the MATLAB-PSAT sim-ulation software is built

and the influence of photovoltaic access on the damping characteristics of system oscillationmode is studied in detail. The simulation results show that the new model will not join PV oscillations driven by re-duced output;When the wind power penetration decreases with the increase of wind turbine power output

the in-crease of the PV power of the damping ratio is not significant;the influence of photovoltaic location on the overall sys-tem damping characteristics associated with motor.

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