These are detailed and summarized in accordance to the KNEC syllabus.
The notes have been prepared by several lecturers with over 10 years experience.
They cover the whole syllabus and therefore very reliable.
Any trainer and KNEC Candidates awaiting for KNEC examinations Power Electronics notes for diploma in electrical and electronics engineering module 3.
COURSE OUTLINE
1. POWER SEMICONDUCTOR DEVICES
- Construction and operation of special semiconductor devices
- Analysis of semiconductor devices
- Application of special semiconductor devices
2. RECTIFIER CIRCUITS
- Rectifier circuits
- Calculations related to rectifier circuits
- Controlled Rectification techniques
- Phase shift circuits
- Calculations related to Phase shift circuits for power control – Converter operation
- D.C Line commutation
- Application of controlled rectifier system
3. CYCLO-CONVERTERS
- Operation principles of cyclo-converters
- Operation of single phase to single phase circuit – Operation of load commutated cyclo-converter
- Envelop cyclo-converter operation
- Application of cyclo-converters
4. INVERTERS- Single phase inverters
- Forced Commutated Thyristor inverters
- Three phase bridge inverters
- Pulse-width modulated (PWM) inverters
- Current source inverters
- Series inverters
- Parallel inverters
- Steady state inverter output voltage
- Application of inverters
5. ELECTRIC DRIVES
- DC Motor drives
- DC Motor control circuits
- DC Motor speed controllers
- AC machine drives
- AC motor controls
- Motor control Systems
6. HIGH FREQUENCY POWER SOURCES AND HEATING
- High frequency power source
- Induction heating process
- Dielectric heating process
- Operation of Resistance heating process
- Eddy current heating process
- Solar heating systems
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Notes