A multi-functional power electronic converter in distributed generation power systems

被引:14
|
作者
Chen, Z [1 ]
Blaabjerg, F [1 ]
Pedersen, JK [1 ]
机构
[1] Aalborg Univ, Inst Energy Technol, DK-9220 Aalborg, Denmark
关键词
D O I
10.1109/PESC.2005.1581865
中图分类号
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号
0807 ; 0820 ;
摘要
This paper presents a power electronic converter which is used as an interface for a distributed generation unit/energy storage device, and also functioned as an active power compensator in a hybrid compensation system. The operation and control of the converter have been described. An example of the converter interfacing a wind power genera ion unit is also given. The power electronic interface performs the optimal operation in the wind turbine system to extract the maximum wind power, while it also plays a key role in a hybrid compensation system that consists of the active power electronic converter and passive filters connected to each distorting load or distributed generation (DG) unit. The passive filters are distributely located to remove major harmonics and provide reactive power compensation. The active power electronic filter corrects the system unbalance, removes the remaining harmonic components, and damps the possible harmonic resonance. Simulation results demonstrate that the converter system can transfer the real power by following a desired reference power for a variable speed wind power conversion system to effectively extract the renewable energy and also enhance the power quality of the system where the power electronic converter is connected.
引用
收藏
页码:1738 / 1744
页数:7
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