JNTUK B.Tech Power Semiconductor Drives for R13 Batch.

JNTUK B.Tech Power Semiconductor Drives R13 Syllabus for Engineering it gives you detail information about Power Semiconductor Drives syllabus.

Preamble

This course is an extension of power electronics applications to electric drives. This course covers in detail the basic and advanced speed control techniques using power electronic converters that are used in industry. It is equally important to understand the four quadrant operation of electric drives and slip power recovery schemes in induction motors.

Learning Objectives

• To learn the fundamentals of electric drive and different electric braking methods.
• To analyze the operation of three phase converter controlled dc motors and four quadrant operation of dc motors using dual converters.
• To discuss the converter control of dc motors in various quadrants.
• To understand the concept of speed control of induction motor by using AC voltage controllers and voltage source inverters.
• To learn the principles of static rotor resistance control and various slip power recovery schemes.
• To understand the speed control mechanism of synchronous motors.

UNIT–I

Fundamentals of Electric Drives : Electric drive – Fundamental torque equation – Load torque components – Nature and classification of load torques – Steady state stability – Load equalization– Four quadrant operation of drive (hoist control) – Braking methods: Dynamic – Plugging – Regenerative methods.

UNIT–II

Three phase converter controlled DC motors : Revision of speed control techniques – Separately excited and series motors controlled by full converters – Output voltage and current waveforms – Speed-torque expressions – Speed-torque characteristics – Numerical problems – Four quadrant operation using dual converters.

UNIT–III

Control of DC motors by DC–DC converters (Type C & Type D) : Single quadrant – Two quadrant and four quadrant chopper fed separately excited and series excited motors – Continuous current operation– Output voltage and current waveforms – Speed–torque expressions – Speed–torque characteristics Four quadrant operations – Closed loop operation (Block
diagrams only).

UNIT–IV

Induction motor control – Stator side : Variable voltage characteristics–Control of Induction Motor by AC Voltage Controllers – Waveforms –Speed torque characteristics– Variable Voltage Variable Frequency control of induction motor by voltage source inverter – PWM control – Closed loop operation of induction motor drives (Block Diagram Only).

UNIT–V

Control of Induction motor – Rotor side : Static rotor resistance control – Slip power recovery schemes – Static Scherbius drive – Static Kramer drive – Performance and speed torque characteristics – Advantages –Applications.

UNIT–VI

Control of Synchronous Motors : Separate control &self control of synchronous motors – Operation of self controlled synchronous motors by VSI– Closed Loop control operation of synchronous motor drives (Block Diagram Only) –Variable frequency control–Pulse width modulation.

Learning Outcomes

Student should be able to

• Explain the fundamentals of electric drive and different electric braking methods.
• Analyze the operation of three phase converter controlled dc motors and four quadrant operation of dc motors using dual converters.
• Explain the converter control of dc motors in various quadrants.
• Explain the concept of speed control of induction motor by using AC voltage controllers and voltage source inverters.
• Explain the principles of static rotor resistance control and various slip power recovery schemes.
• Explain the speed control mechanism of synchronous motors

Text Books

• Fundamentals of Electric Drives – by G K Dubey Narosa Publications
• Power Semiconductor Drives, by S.B. Dewan, G.R.Slemon, A.Straughen, Wiley-India Edition.

Reference Books

• Electric Motors and Drives Fundamentals, Types and Apllications, by Austin Hughes and Bill Drury, Newnes.
• Thyristor Control of Electric drives – Vedam Subramanyam Tata McGraw Hill Publications.
• Power Electronic Circuits, Devices and applications by M.H. Rashid, PHI.
• Power Electronics handbook by Muhammad H.Rashid, Elsevier.

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