Syllabus - Electrical Drives (EE-701)

Electrical Engineering

Electrical Drives (EE-701)

VII-Semester

Unit I

Basic Concepts of Electric Drives

Elements of drive systems, Requirement of electric drives, Rating & Selection of drives, groups and individual drives, Constant power and Constant torque drives. Motor Mechanism dynamics Review of Characteristics of AC & DC motors, load characteristic, load-drive speed torque characteristics, quadrant speed torque characteristics. Mechanical Systems Stability of Electric drives, referred moment of inertia and torque of motor load combination, load equalization.

Unit II

DC Drives

Starting & Braking of conventional, Phase controlled and chopper controlled drives, Transient & Steady state analysis, Energy recovery systems.

Unit III

Induction Motor Drives

Conventional method of Starting braking and speed control, PWM, (VSI) Voltage source Inverter and Current Sources ( CSI) fed IM drives, cyclo converter fed drive, Vector control drives. Slip Controlled IM Drives Review of Conventional methods & converter controlled-Crammers &Scherbius drives; rotor impedance control.

Unit IV

Synchronous Motors Drives

VSI and CSI fed; self-controlled-Brush less &. commutatorless dc & ac motor drives.

Unit V

Special Drives

Fundamentals of Switched reluctance motors, Stepper Motors, Permanent Magnet Motor Introduction to vector control; Digital control of drives. Case Studies Electric traction, steel & cements plants, textile & paper mills, machine tool drive and CNC, electric cars.

Practicals

  • Study the starting and running characteristics of converter fed DC traction motor.

  • To study the energy recovery systems and braking of a DCdrive.

  • To study the braking Methods of a three-phase inductionmotor.

  • TostudytheperformanceofVSIfedthree-phaseinductionmotorusingPWM technique.

  • TocontrolthespeedofathreephaseslipringInductionmotorusingrotor impedance control.

  • To study the performance of Vector Controlled three phase Induction motordrive.

  • To Study frequency Controlled Synchronous motordrive.

  • Tostudythecontrol&performanceCharacteristicsofswitchedReluctance motor.

  • To study the performance & control of a Steppermotor.

  • ToStudythePerformanceofapermanentmagnetBrushlessdcmotor drive.

Reference Books

  • PillaiS.K."Afirstcourseon ElectricalDrives",Secondedition,WileyEastern.

  • Ned Mohan Electrical Machine Drive WILEYINDIA

  • Dubey G. K., "Power Semiconductor Controlled Drives",PHI

  • DubeyG.K.,"FundamentalsofElectrical Drives".NarosaPublishingHouse.

  • BoseB.K.,"PowerElectronicsandACDrives",PHILearning.

  • Murphy M. D., and Tumbuli F., "Power Electronic Control of AC Motors",Pergamon Press, Oxford UniversityPress.

  • P.V. Rao, "Power semiconductor Drives", BSPublications

  • S.ShivaNagarajupower semiconductor drive PHIlearning