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Friday, September 12, 2008

Free tutorials and project for ac motor control circuits

Complete Shematic and Actual Diagram for motor control

Circuit diagram of washing machine motor controller, Direction of motor, Timing diagram for rotation of motor,

The universal motor
Direct current or single-phase alternating current.

Universal Motor Controller

Phase angle triac controller having all the necessary functions for universal motor speed control in washing machines.

Speed Control of 3-Phase Induction Motor
Using PIC18 Microcontrollers, A typical nameplate of an induction motor lists,INDUCTION MOTOR TYPES, Squirrel Cage Motor,Slip Ring Motors, SPEED-TORQUE CHARACTERISTICS OF INDUCTION MOTORS, BLOCK DIAGRAM OF 3-PHASE INDUCTION MOTOR CONTROL.

Motor Speed Controllers
The purpose of a motor speed controller is to take a signal representing the demanded speed, and to drive a motor at that speed.Theory of DC motor speed control, Inductors , PWM frequency, Choosing a frequency based on motor characteristics, Speed control circuits, Regeneration, Reversing, The full bridge circuit,Reducing the heat in the MOSFETs,PWM generator chips,Interfacing to the high power electronics,Interfacing to the radio control receiver, Current limiting.

Motor Speed Control
Schematic Diagram of motor speed control with its components to be used.

Three phase induction motors speed controller
The speed of a normal 3-phase induction motor is a function of the frequency of the supply voltage, the motor should be delta-connected.

Basic Lamp Dimmer
A nice complete diagram and its components of a Lamp dimmer or controller

Limiting Minimum Triac Firing Angle of a Light Dimmer IC, All Resistors 1/4W and all Capacitors 25V Minimum, unless otherwise shown, producing output trigger pulses,, the MPS8599 transistor is turned on and develops a DC voltage on the .

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