Implementasi Kontroler PID Pada AVR (Automatic Voltage Regulator) Untuk Pengaturan Tegangan Eksitasi Generator Sinkron 3 Fasa

Irianto, Irianto and Arman Jaya, Arman Jaya and Amin Setiadji, Amin (2011) Implementasi Kontroler PID Pada AVR (Automatic Voltage Regulator) Untuk Pengaturan Tegangan Eksitasi Generator Sinkron 3 Fasa. EEPIS Final Project.

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Abstract

ABSTRACT In power generation, stability of voltage is very important things to note because it can affect the electrical system. Changes in output voltage of generator is influenced by various factors including the dynamic load and the magnetic amplifier voltage (excitation voltage). This final project create a system of synchronous generator excitation voltage regulation to maintain the stability the generator according to the ratings of 380 volts. To implement PID controller the size of the excitation voltage can be adjusted through changing the PWM duty cycle to switching of IGBT of the power circuit Buck-Boost Converter. With the PID controller parameters Kp = 3, Ki=0.001, Kd = 0.001 and excitation voltage that can be given by power circuit to a magnetic circuit is 130 volts dc, voltage of generator can stable 380 volt after loaded. Recovery time to reach steady state is 1.3 sec when loaded and 1.1 seconds when the load is removed. Keyword : PID Controller, three fase synchronous generator, excitation voltage, Buck-Boost Converter, Dutycycle

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