Electric Drives
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Electric Drives Syllabus — Unit-wise Content
The official GTU curriculum for Electric Drives (subject code 3160919) as prescribed for Electrical Engineering · Semester 6 divides the course into 4 units, covering 26 listed topics. The unit-wise breakdown below is read from the GTU syllabus document for this subject code, so you can check what the course actually covers before deciding which papers to attempt.
Download the official syllabus PDF (3160919)Unit 1 Module 1. DC motor characteristics
- Review of emf and torque equations of DC machine
- review of torque-speed characteristics of separately excited dc motor
- change in torque-speed curve with armature voltage
- example load torque-speed characteristics
- operating point
- armature voltage control for varying motor speed
- flux weakening for high speed operation
Unit 2 Module 2 Chopper fed DC drive
- Review of dc chopper and duty ratio control
- chopper fed dc motor for speed control
- steady state operation of a chopper fed drive
- armature current waveform and ripple
- calculation of losses in dc motor and chopper
- efficiency of dc drive
- smooth starting
Unit 3 Module 3
- Multi-quadrant DC drive Review of motoring and generating modes operation of a separately excited dc machine
- four quadrant operation of dc machine
- two-quadrant and four-quadrant choppers
- steady-state operation of multi-quadrant chopper fed dc drive
- regenerative braking
Unit 4 Module 4 Closed-loop control of DC Drive
- Control structure of DC drive
- inner current loop and outer speed loop
- dynamic model of dc motor dynamic equations and transfer functions
- modeling of chopper as gain with switching delay
- plant transfer function
- for controller design
- current controller 6 Subject Code: 3160919 w.e.f
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