Case Analysis and Solution of Low Power Factor Caused by Distributed Photovoltaic Grid Connection

SHAO Hongxing

doi:10.14044/j.1674-1757.pcrpc.2024.04.007

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Case Analysis and Solution of Low Power Factor Caused by Distributed Photovoltaic Grid Connection

Reactive Power Compensation and Filter | 更新时间：2024-09-15

- Case Analysis and Solution of Low Power Factor Caused by Distributed Photovoltaic Grid Connection
- Power Capacitor & Reactive Power Compensation Vol. 45, Issue 4, Pages: 46-53(2024)
- 作者机构：
  
  青岛东软载波科技股份有限公司，山东　青岛　 266000
- 作者简介：
- 基金信息：
- DOI：10.14044/j.1674-1757.pcrpc.2024.04.007
  CLC：
- Published：2024-08，
  
  Received：24 February 2023，
- 稿件说明：
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SHAO HONGXING. Case Analysis and Solution of Low Power Factor Caused by Distributed Photovoltaic Grid Connection. [J]. Power capacitor & reactive power compensation, 2024, 45(4): 46-53.
DOI：

SHAO HONGXING. Case Analysis and Solution of Low Power Factor Caused by Distributed Photovoltaic Grid Connection. [J]. Power capacitor & reactive power compensation, 2024, 45(4): 46-53. DOI： 10.14044/j.1674-1757.pcrpc.2024.04.007.

摘要

分布式光伏电站并网后，造成关口功率因数降低，通过实际案例调研，发现功率因数降低的原因并非完全一致，跟并网点位置、光伏安装容量、实际负荷、无功补偿型式、无功补偿容量分配、无功补偿采样点位置、谐波保护配置等有关，通过分析、计算，针对不同原因，提出针对性的有效解决方案。

Abstract

The distributed photovoltaic power station

after connection to the power grid

causes reduction of the power factor of the gateway. It is found through the actual case investigation that the reasons for the reduction of the power factor are not exactly the same. It is related to the location of the grid-connected point

photovoltaic installation capacity

actual load

type of reactive power compensation

reactive power compensation capacity distribution

sampling point location of reactive power compensation

harmonic protection configuration

etc. Through analysis and calculation

the specific effective solutions are proposed for different reasons.

关键词

功率因数分布式光伏电站无功补偿谐波解决方案

Keywords

power factordistributed photovoltaic power stationreactive power compensationharmonicsolutions

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