Application of Dynamic Voltage Regulator for a Grid-Connected Induction Generator
Date Issued
2009
Date
2009
Author(s)
CHEN, CHIA-CHING
Abstract
As a result of the price hike in fossil fuels and the effort to control CO2 emissions, developing green energies received much attention in recent years. There are a great variety of green energies such as wind power, solar power, geothermal energy, tide energy, bio-energy,…,etc. Fortunately, Taiwan appears to be a good place to develop of wind power generation, especially in the west coast and the islands around Taiwan.nduction generators have been widely used for wind power generators due to their low cost. When they are driven by a variable speed wind turbine tend to have poor voltage regulation. As a result, how to improve the voltage profile of a wind power generation system is of major concern in this work.o stabilize the output voltage of a wind power generation system, a dynamic voltage regulator, which comprises a voltage source inverter and a dc capacitor, is proposed in this thesis. Through the modulation of the real and reactive power outputs of the DVR, the dc capacitor voltage and the ac system voltage can be held at the specified values. Through dynamic simulations using MATLAB/Simulink, the effectiveness of the proposed dynamic voltage regulator in regulating the output voltage of a wind power generator is demonstrated.
Subjects
dynamic voltage regulator
sinusoidal pulse width modulation
inverter
induction generator
wind energy generation
Type
thesis
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