DESIGN AND FREQUENCY PERFORMANCE OF A MICROPROCESSOR BASED SPEED GOVERNOR

Abstract

In this study, closed loop and grid independent prototype of 750 W cross-flow turbine whose cycle regulations are done by using adjustable wing mechanism is implemented. Movement to an adjustable wing is performed by direct current motor which is controlled by microcontroller by using screw shaft system and mechanical hand. The frequency of the obtained voltage are controlled in function of that the number of turns of the generator and of the turbine. For the control operation, the voltage frequency obtained from the generator has been measured with the zero crossing circuit and transferred to the microcontroller. With the setting of the number of turns on the turbine, the value of the frequency of the 500 W generator working in conjunction with the turbine is kept on desired levels. These operations are realized by using a PIC16F877 microcontroller. Then, frequency performance of the designed system is examined

 

Keywords

• Microcontrollers,hydroelectric power generation,frequency control

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