Control of Grid Connected Converters Under Unbalanced Grid Faults

被引:0
|
作者
Pal, Souradeep [1 ]
Mishra, Manash [2 ]
Venna, Apurva [2 ]
Kasari, Prabir Ranjan [3 ]
Das, Bikram [3 ]
Chakraborti, Abanishwar [3 ]
机构
[1] IISc Bangalore, Dept ESE, Bengaluru, India
[2] IIT Delhi, Dept Elect Engn, Delhi, India
[3] NIT Agartala, Dept Elect Engn, Agartala, India
关键词
Unbalance grid fault; grid connected converter Current Harmonics; Active Power Oscillation; DC link ripples; Photovoltaic (PV) systems; REACTIVE POWER-CONTROL; DISTRIBUTED GENERATION INVERTERS; VOLTAGE; SYSTEMS; PLANTS;
D O I
暂无
中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
A grid connected inverter with an unbalanced voltage at the point of common coupling creates oscillation in DC link voltage at twice the grid frequency and inject highly distorted current into the grid. In this paper analytical expression for oscillation of DC link voltage and distortion in current injected to the grid are derived. Two control strategies for grid connected inverter are implemented and the analytical result obtained for dc link voltage oscillation and distortion in grid current are verified through simulation and experimental results.
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页数:6
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