光伏电站分层分布式自动功率控制技术

WANG Shuchao

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光伏电站分层分布式自动功率控制技术

更新时间：2025-08-13

- 光伏电站分层分布式自动功率控制技术
- Automation of Electric Power Systems Vol. 40, Issue 8, Pages: 126-132(2016)
- 作者机构：
  
  南京南瑞继保电气有限公司,江苏省,南京市,211102
- 作者简介：
- 基金信息：
- DOI：
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- Published：2016
- 稿件说明：
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WANG Shuchao. [J]. Automation of electric power systems, 2016, 40(8): 126-132.
DOI：

WANG Shuchao. [J]. Automation of electric power systems, 2016, 40(8): 126-132. DOI：

摘要

当前含有组串式逆变器的光伏电站，因单台组串式逆变器容量相对集中式小得多，同等容量情况下总逆变器数目大增，这给近年普遍含有组串式逆变器的大型光伏电站厂站自动功率控制系统带来了控制计算、存储容量不足和指令通信下发阻塞严重等问题。为此，文中提出了在中间层增设方阵自动发电控制(AGC)的分层分布式AGC系统结构。文中研究了光伏方阵AGC一体化产品技术实现方案、方阵AGC的功率分配算法与策略，并分析给出了方阵AGC与厂站AGC系统的协作配合策略。工程现场应用测试及仿真分析结果表明所提技术能有效解决当前大型组串式光伏电站AGC系统存在的问题。

Abstract

In current large-scale photovoltaic(PV)power plants

especially those with string PV inverters

because of the increase of large numbers of inverters compared to integrated PV inverters

there appears calculating and volume bottleneck and serious control command communication jam and delay in the automatic generation control(AGC)system. In order to solve these difficulties

this paper presents a new AGC hierarchical distributed control structure based on a new added middle-level AGC subsystem device in each PV array. An investigation is made on a scheme for the PV array AGC's integrated implementation of product and technology

the array AGC power allocation algorithm and tactics in addition to the tactics for cooperation and coordination between array AGC and plant AGC systems. It is shown by field tests and simulation analysis that the technology proposed can solve the above AGC problems in a PV plant with string inverters.

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