EE3007 POWER ELECTRONICS Course Plan Prerequisite: NilObjectives: 1. Student should be in a position to list the basic construction details and characteristics of Power Semiconductor switches and their operation as well as identify the appropriate switch for a particular application.2. Student will be capable of differentiating various Power Electronic Converters, principle of Operation of each one of them and their application.3. Student should be in a position to analysis and design various power electronic converters and commutation techniques used in the converters. 4. Student could design the apt power electronic converter for processing the power, to suit the load requirement.Portions for First Test:Module 1: Power Semiconductor Switches Power diodes - Basic structure and V-I characteristics - various types - DIACs Basic structure and V-I characteristics TRIACs - Basic structure and V-I characteristics -Thyristors - basic structure - static and dynamic characteristics - device specifications and ratings - methods of turning on - gate triggering circuit using UJT - methods of turning off - commutation circuits. IGBTs - Basic structure and V-I characteristics. MOSFETs - Basic structure and V-I characteristics.Module 2: Rectifiers Line frequency phase controlled rectifiers using SCR Single Phase Half wave rectifier with R and RL loads Full wave half controlled and fully controlled converters with continuous and constant currents Input side harmonics and power factor.Assignment -1: 09/02/15.First Test : 10/02 16/02 2015.

Portions for Second Test:Module 2: Rectifiers (Contd..)Effect of source inductance Three Phase - Half wave rectifier with R and RL loads - Full wave fully controlled converters with continuous and constant currents

Module 3: Inverters & Cycloconverters Inverters Single phase inverters series, parallel and bridge inverters. Single Phase Pulse Width Modulated (PWM) inverters Basic circuit and operation. AC regulators - single phase ac regulator with R and RL loads - sequence control of ac regulators - single phase to single phase cycloconverters - basic principle of operation.Assignment -2: 31/03/15.Second Test : 06/04 10/04 2015

Module 4: DC DC Converters Choppers - principle of operation - step-up and step-down choppers. Switching regulators - Buck regulators - Boost regulators - Buck-boost regulators - Switched mode power supply - principle of operation and analysisAssignment 3: 30/04/15. End Exam : 05/05 15/05 2015. Evaluation Policy :

2 Tests : 20 Marks Each.Assignments / Project: 10 Marks.End Exam : 50 Mark.Total : 100 Marks.