Research on Economical Operation Strategy of Multi-machine Photovoltaic Inverter Power System

BAI Zhengmin; GUO Lihui; FANG Ruju; ZHANG Yuanmin

doi:10.14044/j.1674-1757.pcrpc.2016.04.025

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Research on Economical Operation Strategy of Multi-machine Photovoltaic Inverter Power System

更新时间：2024-09-14

- Research on Economical Operation Strategy of Multi-machine Photovoltaic Inverter Power System
- POWER CAPACITOR & REACTIVE POWER COMPENSATION Vol. 37, Issue 4, Pages: 138-142(2016)
- 作者机构：
  
  许昌学院电气(机电)工程学院
- 作者简介：
- 基金信息：
- DOI：10.14044/j.1674-1757.pcrpc.2016.04.025
  CLC： TM464;TM615
- Published：2016，
- 稿件说明：
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[1]白政民,郭利辉,方如举,张元敏.多机光伏逆变电源供电系统经济运行方案的研究[J].电力电容器与无功补偿,2016,37(04):138-142.

BAI ZHENGMIN, GUO LIHUI, FANG RUJU, et al. Research on Economical Operation Strategy of Multi-machine Photovoltaic Inverter Power System. [J]. Power capacitor & reactive power compensation, 2016, 37(4): 138-142.
[1]白政民,郭利辉,方如举,张元敏.多机光伏逆变电源供电系统经济运行方案的研究[J].电力电容器与无功补偿,2016,37(04):138-142. DOI： 10.14044/j.1674-1757.pcrpc.2016.04.025.

BAI ZHENGMIN, GUO LIHUI, FANG RUJU, et al. Research on Economical Operation Strategy of Multi-machine Photovoltaic Inverter Power System. [J]. Power capacitor & reactive power compensation, 2016, 37(4): 138-142. DOI： 10.14044/j.1674-1757.pcrpc.2016.04.025.

摘要

针对光伏并网逆变器的构成

逐一分析各部分损耗产生的原理及影响因素。重点比较分析滤波电感和工频变压器上的功率损耗。导出多机光伏并网逆变器并联供电系统经济运行临界功率

并提出最优控制方案。针对一组由2台3 k W光伏并网逆变器组成的供电系统

分析其在投入1台和2台逆变器时的实验波形和效率数据

验证了所提出的控制方法的正确性。

Abstract

Aiming at the composition of grid-connected photovoltaic inverter

the loss mechanism and the influence factors are analyzed detail by detail. The focus is on the comparative analysis between the power losses of transformer and filter inductor. The economic operation critical power of multi- machine photovoltaic grid- connected inverter parallel power system is derived. And an optimum control scheme is put forward. For a power system composed of two 3 k W photovoltaic grid- connected inverter

both experimental waveforms and efficiency data are analyzed with 1 or 2 injected inverters. It verifies that the proposed control method is correct.

关键词

多机并联运行经济运行对比分析临界功率

Keywords

multi-machine parallel operationeconomic operationcomparative analysiscritical power

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