Part 5 Machine Drives - Electronic & Computer...

Info iconThis preview shows pages 1–6. Sign up to view the full content.

View Full Document Right Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: Electronic & Computer Engineering, School of Engineering and Design www.brunel.ac.uk/about/acad/sed Controlled Rectifier Chopper Drives D.C Motor D.C Motor DC Drives Electronic & Computer Engineering, School of Engineering and Design www.brunel.ac.uk/about/acad/sed V in V out D.C Motor Field resistor DC Drives (Controlled rectifier) [ ] cos 1 2 max ) ( + = V V avg out Single-phase half-wave converter drive Electronic & Computer Engineering, School of Engineering and Design www.brunel.ac.uk/about/acad/sed V out D.C Motor Field resistor DC Drives (Controlled rectifier) Single-Phase Controlled Bridge converter drive max ( ) (2cos ) out avg V V = max ( ) (1 cos ) out avg V V = + Electronic & Computer Engineering, School of Engineering and Design www.brunel.ac.uk/about/acad/sed DC Chopper Drives Widely used in traction applications. Control the armature voltage. Provide regeneration breaking of the motors. Can return energy back to the supply (attractive to transportation systems with frequent stops and also useful in battery electric cars) Chopper Drives D.C Motor Electronic & Computer Engineering, School of Engineering and Design www.brunel.ac.uk/about/acad/sed M +- V s R a R f I a By increasing the resistance in series with the armature the voltage applied across the armature terminals can be decreased....
View Full Document

This note was uploaded on 04/20/2011 for the course ENG 1333 taught by Professor Brr during the Spring '10 term at American College of Computer & Information Sciences.

Page1 / 19

Part 5 Machine Drives - Electronic & Computer...

This preview shows document pages 1 - 6. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online