Volume 20 No 8 (2022)
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Improved Fuzzy Controlled Wind Turbine with A Permanent Magnet Synchronous Generator using Pulse Width Modulation Technique
Ankur Jyoti Das, Papumoni Saikia M. Tech Student , 2Assistant Professo
Abstract
Wind turbine generators seek independent operation over the whole wind speed range below hurricane
conditions. In this paper, it is essential to construct a full-scope feedback control system for the wind
turbine voltage, current, active power and reactive power to achieve this goal.The gearbox design is very
complex and needs frequent oiling, putting more mechanical stress on the wind turbine.Hence, a
gearless wind turbine design is neededto make the wind turbine more reliable, reducing downtime and
repair costs and increasing productivity. Taking three different wind speeds, a proposed modelis made
in Matlab/ Simulink software. This research introduces enhanced fuzzy rules basedon two
controllers,one on the generating side and one on the grid side,that can control the turbine’s voltage,
currentactive power and reactive power.The two converters, namely rotor(generating) side
converters,control the active power via a Mamdani-based fuzzy controller via pulse width modulation
and the second converter grid side converter is also Mamdani based fuzzy controller via pulse width
modulationtechnique which synchronizes the grid voltage with generating voltage of wind turbine and
also controls the reactive power. Following the explanation of various essential principles regarding
small-scale wind turbines, building a Mamdani-based fuzzy logic (Mamdani et al., 1975) controller is
described. PI controllers have high starting overshoot, sensitivity to controller gains and sluggish
response to controller gains.So the fuzzy controller intelligently widens the range of operating
conditions, and they are more readily customizable in neutral language terms,stability is better, small
overshoot and fast response. 17 kilovolts, 490 amperes, 12 MW of active power, and 1.5 Mvar of
reactive power have been achieved using the suggested conceptin Matlab /Simulink software.
Keywords
Wind Speed, Fuzzy Logic, PI, MATLAB, Voltage (KV), Current (A), Activepower (MW), and Reactive Power (Mvar)
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