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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Ananth, D.V.N. |
| Copyright Year | 2012 |
| Description | Author affiliation: VIT AM College of Engineering, Visakhapatnam (Ananth, D.V.N.) |
| Abstract | This paper compares fuzzy logic controller with conventional PI controller based direct torque control (DTC) for a wind turbine induction generator set. The voltage controlled gating pulses to inverter are of variable frequency by using carrier based PWM with reference to sinusoidal waveform to achieve desired results. The torque and flux estimation block and speed error control block are the heart for this control system. The analysis is developed by using MATLAB/ SIMULINK. The proposed fuzzy based technique is used to maintain smooth torque transform and maintains desired torque even though there is change in generator speed or vice-versa. The system stability and current extraction can be improved by using FLC than PI controller, even under sudden changes in speed and torque of the machine. The torque ripples were less for both PI and FLC based controller scheme compared to previous techniques. Torque surges due to sudden change in speed of machine can also be minimized by using proposed fuzzy controller scheme. The comparisons of PI with FLC for wind turbine based induction generator were studied under 2 cases, in $1^{st}$ case, constant generator speed and variable change in wind speed, torque and in the $2^{nd}$ case, variable speed generator and variable speed of wind. |
| Starting Page | 159 |
| Ending Page | 165 |
| File Size | 3754963 |
| Page Count | 7 |
| File Format | |
| ISBN | 9781467346337 |
| DOI | 10.1109/ICETEEEM.2012.6494462 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2012-12-13 |
| Publisher Place | India |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Induction generator Wind Turbine Maximum power point tracking Pulse Width Modulation PI Soft start technique Fuzzy Logic Controller Direct Torque Control |
| Content Type | Text |
| Resource Type | Article |
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