Anna University , Chennai
Department of B.E-Electrical and Electronics Engg
Sixth Semester
EE2352 Solid State Drives
(Regulation 2008)
Solid State Drives Premium Lecture Notes prepared by Siva and Rajkumar. Specially for B.E Electrical and Electronics Engineering. Syllabus is based on Anna University , B.E Electrical and Electronics Engineering R2008 Regulation.Content :
UNIT-1
DRIVE CHARACTERISTICS
Drive system
Drive
Electric drive
Classification of electric drive
1. Group drive
2. Individual drive
3. Multi motor drive
Advantages
Disadvantages
Source
Power modulator
Sensing unit
Control unit
Classification of electric drive based on supply
1. DC drive
2. AC drive
Comparision of DC and AC drives
Dynamics of motor
Load system
Variable interia drive
Constant interia drive
Classification of load torque
1. Active load torque
2. Passive load torque
Components of load torque
1. Firction torque (TF)
2. Windage torque (TW)
3. Torque required to do useful mechanical work ™
Constant torque type load (t=k)
Staction
Factor affecting the selection of light
1. Steady state operation requirement
2. Transition operation requirement
3. Requirement related to the source
4. Other factors
Multiquadrant operation
Dynamic or rheostic braking
Regenerative braking
Service condition of electric drive
1. Continuous duty
2. Intermittent duty
3. Short time duty
Load equalization
Shock loading
1. Rolling mill
2. Forging machine
3. Electric press
Steady state stability
Steady state point
Modes of operation of electric drive
1. Acceleration including starting
2. Steady state
3. Deceleration including stoping
UNIT-2
CONVERTER \ CHOPPER FED DC MOTOR DRIVE
Steady state analysis for discontinuous condition
Average output voltage
Average output current
Power factor for fully controlled rectified drive
Ideal no load speed
1. Quadrant 1 (motoring)
2. Quadrant 2 (regenerative braking)
Drawbacks
3 phase fully controlled converter fed DC drive
3 phase converters fed DC drive
Classification of chopper
1. 1st quadrant chopper
2. 2nd quadrant chopper
Step up or boost chopper
Step down or buck chopper
Duty cycle
Constant frequency control method
Variable frequency method
Current limited control
Four quadrant chopper
Problems
UNIT-3
DESIGN OF CONTROL
Closed loop control of electric drive
Speed controller design
Current controller
Tachometer with filter
Converter selection and characteristics
Selection factors
Apparent power
Use of simulation software
Advantage of simulation
Simulation packages
Commonly used software packages
Mathcad
Features of Mathcad
Matlab
Tool boxes available in matlab
1. Control system toolbox
2. Neutral network toolbox
3. Optimization toolbox
4. Signal processing toolbox
5. System identification toolbox
Features of MATLAB
MATLAB SIMULINK
SIM power system
SIM PLORER system
UNIT-5
SYNCHRONOUS MOTOR DRIVES
Classification
1. Wound field motor
a. Cylindrical rotor
b. Salient pole rotor
2. Permanent magnet motor
3. Synchronous reluctance motor
4. Hysteresis motor
Application
Attachment : Click Here
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