Power Electronics PDF VSSUT | PE PDF VSSUT

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Power Electronics PDF VSSUT – PE PDF VSSUT of Total Complete Notes

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Link: Complete Notes

Module – 1

Thyristors, Static V-I Characteristics of SCR, TRIAC, GTO & IGBT,

Turn-On & Turn-OFF Mechanism of SCR,Gate Turnoff Thyristor (GTO) .Power BJTs ,

Power MOSFETs – Insulated Gate,

Bipolar Transistors (IGBTs) – Basic Structure and VI Characteristics. Static, dynamic and
thermal,Static V-I characteristics of a Thyristor ,Reverse Blocking Mode ,

characteristics. Protection, cooling and mounting techniques. Series and Parallel operation of
devices,Forward Blocking Mode ,Forward Conduction Mode ,

Triggering and basics of driver circuits. Different types of commutation schemes: Natural and

Link: Module – 1

Module – 2

Phase Half & Full Wave Controlled Rectifier with various kinds of loads (R, R-L-E

Midpoint and Bridge type converters. Half Controlled and Fully Controlled Bridge circuits,
different,Single phase half wave circuit with R-L load,Single phase half wave circuit with RLE load,

waveforms, Input Line Current Harmonics, Power factor, current distortion and displacement
factors,Single phase full wave converter,

Inverter Mode of Operation. Continuous and discontinuous modes, Effect of source

assuming constant load current. Effect of freewheeling diode. Three phase bridge converters

different types of load with constant load current, different waveforms. 180 and 120 degree

Link: Module – 2

Module – 3

DC-DC Converters: Classification of types of choppers, One, Two and Four quadrant

Step up and down choppers, Analysis of Type-A chopper, Single-and two quadrant operation
with DC,motor load,

AC-AC Converters: Single-phase mid-point and bridge types of step-up and step-down

Link: Module – 3

Module – 4

Single-phase Half and Full bridge Inverter, Pulse Width Modulated (PWM) technique for

SPWM Technique 1-phase inverters, Auxiliary Commutated (Mc-Murray) and
Complementary Commutated (Mc-Murray Bedford) Inverters,

Three-phase Voltage Source Bridge,type of Inverters. Current Source Inverter,

Applications: UPS, SMPS, Induction Heating, Electronic Ballast,AC/DC drives speed

Link: Module – 4

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