Eectrical machines & drive control course
Part 1: Electrical machines
Introduction and Concepts of magnetic circuits
1- Three phase induction motor
- Construction and design
- Equivalent circuit and parameters calculation and Tests
- Types of 3ph IM (slip rings – squirrel cag – deep bar- double cage )
- The motor characteristics for Power & torque _ speed& current _ speed
- Starting methods
- Speed control and Torque control
- Winding rules
- Electrical power recovery
- Electrical braking of induction motor
- 3 phase motor converted to single phase
- power factor correction
2- Single phase Induction motors
- Theory of work and Circuit analysis
- Equivalent circuit
- Capacitor run motor
- Capacitor start motor
- Capacitor start Capacitor run motor
- Split phase motor
- Shaded pole motor
- 3ph winding for single phase motor
- Starting and speed control and Torque control
- Winding rules
3- Universal motor
Series universal motor
- Construction and Applications
- Examples
- Speed control and Torque control
Differential universal motor
- Theory of work
- Construction and Applications
Schrage motor
- Theory of work
- Construction and Applications
4- Three phase induction Generator
- Theory of work
- Equivalent circuit and parameters calculation
- Types of excitation for induction Generator
5- DC generators
- Theory of working
- Construction
- Armature reaction and how it affects
- Types of dc generators and methods of excitation
- Electrical external curves
- voltage regulation
- Calculations and examples
- Applications
6- DC motors
- Theory of working
- Construction
- Electro motive force & torque equation
- Types of dc motors
- Speed and torque curves
- Calculations and Applications
- Starting & reverse direction
- Speed control of dc motors
- Electrical braking of dc motors
7- Synchronous Generators
- Theory & construction
- Equivalent circuit
- Vector diagram and Tests
- Voltage regulation and Power & torque
- Parallel operation
8-Synchronous Motors
- Theory & construction
- Starting methods
- Power factor with synchronous motor
- Calculations of Power , torque and efficiency
9- Diesel Generator
- Theory & construction
- AVR
- load sharing of generators
- Maintenance of diesel generator
10- Special machines
- Stepper motor
- Tachogenerator
- Servo motor
- induction servo motors
- Dc servo motors
Part 2 Classic Control 1-classic control component
- switches
- Relay and Contactor
- Overload(thermal relay) and fuse
- circuit breaker types
- timers (on delay timer-off-delay timer)
- limit switch
- sensors
2- Simulation of Classic control
3- Classic control application (20 applications handwork )
- Control circuits for DC motors
- Control circuits for single phase motors
- Control circuits for three phase motors
- Forward and reserve for three phase motors
- Control circuits (Delta/star ) three phase motors
- Control circuits for Dahlander motors
Part 3 Drive system
- Introduction
- Drive system components
- What is difference between inverter and a Soft Starter
- What is difference between inverter and frequency converter
- Block diagram of electric drive system
- Calculations
- Characteristic curves
- How to read the motor correctly?
- How to choose the drive type?
- Choosing type of control and protections
- Installation of the drive system
- Wiring and connections
- How to use digital inputs and analogue inputs to control the drive
- How to have a feedback from the dive and to use it in other process
- How to have a feedback from PLC
- How to collect your calculations before programming start
- Before you begin
- Steps for setting up
- Parameter setting method
- Frequency Setting via keypad & operating via terminals
- Basic Functions and Function list
- Drive Group
- Function group
- I/O configuration
- Inserting the motor data
- Calculations and insertion of protection currents
- Choosing direction of motion for forward and reverse directions
- Motion curves of acceleration and deceleration
- Motor control
- Types of stopping
- Ramp shape
- Brake release and brake engage
- Dc injection
- High speed
- more exercise for application on 3 phase induction motors