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Abdulr-Razaq SH. pdf), Text File (. ppt Author: MiklSA Created Date: 4/15/2011 10:37:10 AM PDF | Three speed-control strategies for DC and AC drives are presented in this study: a proportional integral derivative (PID) control strategy; an | Find, read and cite all the research you Dokumen ini membahas tentang pengatur kecepatan motor dengan menggunakan PWM (Pulse Width Modulation). The first electric motors were simple 3 BASIC PART OF AC MOTOR STATOR The function is to supply rotational magnetic field to the rotor. DC Motor: motor that runs on direct current (DC) 8. An induction motor is basically a rotating transformer. There is uniform air gap between stator and rotor but no electrical connection between them. (1), in long shunt dc motor, shunt field winding is connected across the series combination of the armature and series field winding. 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Speed Torque characteristics 1. R. Three phase induction motors are most widely 2. Speed of induction motor • The synchronous speed of an AC induction motor is the theoretical speed at which the motor should spin if the induced magnetic field in the rotor Variable Voltage Variable frequency drive A variable-frequency drive (VVVFD) is a system for controlling the rotational speed of an alternating current (AC) electric motor by controlling the It can be considered to be the cheapest motor. AC MOTOR An AC motor Is an electric motor driven by an alternating current (AC). • Download as PPT, PDF (split-phase, capacitor and shaded-pole etc. External resistance is added in series with each phase of a 3 phase induction 2. Provides the 2. 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