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Performance Analysis of Four-Leg VSC under Unbalanced Load Conditions for Hybrid Power System Application
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| Author(s) |
I. Vechiu, H. Camblong, O. Curea, B. Dakyo, G. Tapia |
| Abstract |
In this paper, the transient operation of four leg
voltage source converter (VSC) under unbalanced load
conditions is investigated. The inverter is particularly interesting
for simultaneous supply of three phase and single phase load in
transformerless Hybrid Power System (HPS) application. A
control strategy for the VSC based on the decomposition of the
supply voltages and currents into instantaneous positive, negative
and homopolar sequence components is described. The three
sequences are controlled using two different rotating reference
frame systems, so that the disturbance of the output voltage due
to the load unbalances is eliminated. Simulation results are
presented to verify the transient operation of the VSC under
unbalanced load conditions. |
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| Filename: | 168 |
| Filesize: | 267.2 KB |
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| Type |
Members Only |
| Date |
Last modified 2006-02-08 by System |
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