Teaching Scheme

Examination Scheme

Lectures : 3 hrs/week

Mid-Sem – 30, Assignments, Quiz -20

End-Sem Exam- 50.

Unit 1                                                                                  

[08 Hrs]

Types, working principle, characteristic, and mathematical model of following:

Motors AC/DC motors, stepper, servo, linear, Synchronous, Generators, and alternator

Unit 2                                                                                  

[08 Hrs]

Selection criterion of above components for various industrial applications such as position control, speed control, power generation, machine automation, telemetry, etc

Unit 3                                          

[08 Hrs]

Types, working principle, characteristics, and symbolic representation of following:

Switches: Toggle, Slide, DIP, Rotary, Thumbwheel, Selector, Limit, Proximity, Combinational switches, zero speed, belt sway, pull cord.

Relays: Electromechanical, Solid state relays, relay packages

Contactors :Comparison between relay & contactor, contactor size and ratings

Timers : On Delay, Off delay and Retentive

Unit 4                                                                               

[08 Hrs]

Sequencing & Interlocking for motors

Concept of sequencing & Interlocking, Standard symbols used for Electrical Wiring Diagram, Electrical Wiring diagrams for Starting, Stopping, Emergency shutdown, (Direct on line, star delta, soft starter) Protection devices for motors: Short circuit protection, Over load Protection, Over/ under voltage protection, Phase reversal Protection, high temperature and high current Protection, over speed, Reversing direction of rotation, Braking, Starting with variable speeds, Jogging/Inching

Motor Control Center: Concept and wiring diagrams

Unit 5                                                                               

[08 Hrs]

Pneumatic components

Pneumatic Power Supply and its components: Pneumatic relay (Bleed & Non bleed, Reverse & direct), Single acting & Double acting cylinder, Special cylinders: Cushion, Double rod, Tandem, Multiple position, Rotary Filter Regulator Lubricator (FRL), Pneumatic valves (direction controlled valves, flow control etc), Special types of valves like relief valve, pressure reducing etc.

Pneumatic Circuits

Sequence diagram (step-displacement) for implementing pneumatic circuits, Standard Symbols used for developing pneumatic circuits, Different Pneumatic Circuits: Reciprocating, Sequencing, Anti-cycle repetition, Block transfer, Speed regulation etc

Unit 6

[08 Hrs]

Hydraulic components:

Hydraulic supply, Hydraulic pumps, Actuator (cylinder & motor), Hydraulic valves.

Hydraulic Circuits:

Standard Symbols for developing hydraulic circuits,

Different Hydraulic Circuits: Meter in, Meter out, Reciprocating, speed control, Sequencing of cylinders, Direction control etc.

Text Books:

• Electrical Technology, B.L.Theraja.
• Industrial Electronics, Petruzella
• Pneumatic Instrumentation, Majumdhar 
• Industrial Hydraulics, Pipenger
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Reference Books:

• Pneumatics, Festo Didactic
• Hydraulics, Festo   Didactic
• Process control and Instrument technology, C.D.Johnson, TMH