POWER ELECTRONICS
DIGITAL NOTES
B.TECH
(III YEAR
–
I SEM)
Prepared by:
Mr.S.RAKESH, Asst.Prof
Department of Electrical & Electronics Engineering
MALLA REDDY COLLEGE
OF ENGINEERING & TECHNOLOGY
(Autonomous Institution
–
UGC, Govt. of India)
Recognized under 2(f) and 12 (B) of UGC ACT 1956
(Affiliated to JNTUH, Hyderabad, Approved by AICTE - Accredited by NBA & NAAC
–
‘A’
Grade - ISO 9001:2015 Certified)
Maisammaguda, Dhulapally (Post Via. Kompally), Secunderabad
–
500100, Telangana State, India
MALLA REDDY COLLEGE OF ENGINEERING AND TECHNOLOGY
III B.Tech EEE I Sem
L T/P/D C
3 - / - / - 3
(R17A0210) POWER ELECTRONICS
COURSE OBJECTIVES
:
To get an understanding of semiconductor devices and systems which have a large
application in the power generation, transmission, distribution and utilization.
To get an in depth understanding of the basic concepts
of different types of power
semiconductor devices and their applications in converters, inverters, choppers,
cycloconverter, dual converters, etc.
UNIT - I
POWER SEMI CONDUCTOR DEVICES & COMMUTATION CIRCUITS:
Thyristors
–
Silicon Controlled Rectifiers (SCR’s)
- Two transistor analogy
- Static and Dynamic
characteristics - Turn on and turn off methods- UJT firing circuit - Series and parallel
connections of SCR’s –
Snubber
circuit details
–
Line Commutation and Forced
Commutation
circuits
–
Power MOSFET, Power IGBT, their characteristics
and other form
of thyristors.
