DE22 INDUSTRIAL ELECTRONICS

1.         Thyristor Characteristics                                                                               12 hours


            1.1        Principal of Operation
            1.2        VI Characteristics
            1.3        Two transistor Model
            1.4        Turn on methods
                        1.4.1     Voltage triggering

                        1.4.2     Gate triggering
                        1.4.3     dv/dt triggering
                        1.4.4     temperature triggering
                        1.4.5     Light triggering
            1.5        S.C.R. trigger circuits
                        1.5.1     Resistance triggering
                        1.5.2     RC triggering
                        1.5.3     UJT triggering
                        1.5.4     trigger circuits using 555
            1.6        S.C.R  rating
            1.7        Series & parallel operation of SCR's

 

2.         Controlled Rectifiers & Cyclo Converters                                                   12 hours

 

1.1               Single phase half wave converter with resistive load, R L loads with & without freewheeling diode

1.2               single phase half controlled bridge circuit

1.3               single phase fully controlled bridge circuit

1.4               Three phase half controlled bridge rectifier

1.5               Three phase fully controlled rectifier

1.6               D.C. motor speed control using controlled rectifier

1.7               Principal of operation & applications of single phase cyclo converter

 

3.         Inverters                                                                                                         12 hours


            3.1        Turn off characteristics of thyristors
            3.2        Turn off circuits
            3.3        Classifications of inverters

            3.4        Parallel inverter
            3.5        Single phase bridge inverter
            3.6        3 phase bridge inverter
            3.7        Series inverter
            3.8        Applications of series and parallel inverter

 

4.         Choppers                                                                                                        10 hours


            4.1        Principal of operation of chopper
            4.2        Communication methods for choppers
            4.3        Jones Chopper
            4.4        Morogon's Chopper
            4.5        Application of choppers

5.         Heating & Welding                                                                                        14 hours
  

            5.1        Induction Heating
                        5.1.1     Principal of Induction heating
                        5.1.2     Advantages of Induction heating
                        5.1.3     Application of Induction heating
             5.2       Dielectric heating
                        5.2.1     Thermal loss in Dielectric heating
                        5.2.2     Thermal loss in Dielectric heating
                        5.2.3     Application of dielectric  heating
            5.3        Resistance welding
                        5.3.1     Resistance welding process
                        5.3.2     Basic circuits for resistance welding
                        5.3.3     Application of resistance welding

 

Text Books

I.          Power Electronics - BR Gupta & Vandana Singhal - S.K.Kataria & Sons

II.        Industrial Power Electronics by H.C.Rai Publisher- Umesh Publisher- New

Delhi

Reference Books
 
1.         Power Electronics - M.H. Rashid Prentice Hall
II.        Power Electronics - P.C.Bhimbra- Khanna Publishers, Delhi