Industrial Electronics Semester 4 (SE Second Year) BE Mechanical Engineering University of Mumbai Topics and Syllabus

• Semiconductor Devices: Review of diodes rectifier diode , zener diode, LED, photodiode SCR V-I characteristics , R,R-C,UJT triggering circuits, turning-off of a SCR (preliminary discussion), basics of Gate Turn Off ( GTO ) Structure and V-I characteristics of Triac (modes of operation not needed) and Diac , Applications of Triac-Diac circuit, Characteristics and principle of Power BJT, power MOSFET, IGBT, comparison of devices

• Full wave controlled rectifier using SCR’s(semi controlled, fully controlled) with R load only. Derivation of output voltage, Concept of RL and R-L-E load,
• Block diagram of closed loop speed control of DC motors, Necessity of inner current control loop, current sensing
• Basic principle of single phase and three phase bridge inverters , block diagrams including rectifier and inverter for speed control of AC motors(frequency control only)

• Operational amplifier circuits, Ideal OPAMP behavior , common OPAMP ICs, Basic OPAMP circuits- Inverting amplifier, Noninverting amplifier ,Voltage follower (Buffer), Instrumentation Amplifier, Summing amplifier, Schmitt triggers
• Active first order filter: Low pass and high pass filter Power Op Amps, Optical Isolation amplifier
• 555 timer-Operating modes: monostable, astable multivibrator

• Digital signals, combinational and sequential logic circuits, clock signals, Boolean algebra and logic gates
• Integrated circuits and logic families : Logic Levels, Noise Immunity, Fan Out, Power Dissipation, Propagation Delay,
• TTL logic family : TTL Designations, TTL Versions, Output Configuration, TTL characteristic, The CMOS family,, comparison with TTL family
• Flip flops: Set Reset(SR),Trigger(T),clocked D F/Fs; Buffer and drivers Registers, decoders and encoders, Multiplexer and Demultiplexer

• Overview of generic microprocessor, architecture and functional block diagram, Comparison of microprocessor and microcontroller, MSP430 Functional block diagram and architecture, assembly language programming, C compiler programming, basics of interfacing with external input / output devices (like reading external analog voltages, digital input output)

Review and comparison of Torque–speed characteristics of DC motors and AC induction motors. Basic principles of speed control of AC/DC motors

Basics of BLDC motor, Linear Actuator motor, Servo Motor Suitability of each motor for various industrial applications, Selection and sizing of motors for different applications. Applications for pumps, conveyors, machine tools etc.