Power electronics Chapter 4 AC to AC converters AC Controllers and -Frequency Converters)
PPoowweerr EElleeccttrroonniiccss Chapter 4 AC to AC Converters ( AC Controllers and Frequency Converters )
PEREC Classification of ac to Ac converters Same frequency Variable variable magnitude AC power frequency AC power AC power AC controllers Frequency converters (Cycloconverters) AC to Ac converters 2
Same frequency Same frequency variable magnitude variable magnitude AC power AC power AC power AC power Variable Variable frequency frequency AC power AC power AC controllers Frequency converters (Cycloconverters) AC to AC converters Power E l ect r o n cs i Classification of AC to AC converters Classification of AC to AC converters 2
PEREC Classification of Ac controllers Phase control: AC voltage controller (Delay angle control) Integral cycle control: AC power controller AC controller PWM control: AC chopper ( Chopping control) On/off switch: electronic AC switch PWM: Pulse width modulation 3
Power E l ect r o n cs i 3 Classification of AC controllers Classification of AC controllers Phase control: Phase control: AC voltage controller AC voltage controller (Delay angle control) angle control) Integral cycle con tegral cycle control: AC power controller AC controller AC controller AC power controller PWM control: PWM control: AC chopper AC chopper (Chopping control) (Chopping control) On/off switch: On/off switch: electronic AC s electronic AC switch PWM: Pulse Width Modulation PWM: Pulse Width Modulation
PEREC classification of frequency converters Phase control: thyristor cycloconverter (Delay angle control) Frequency converter (Cycloconverter) PWM control: matrix converter (Chopping control) 4 Cycloconverter is sometimes referred to in a broader sense -any ordinary ac to ac converter in a narrower sense-thyristor cycloconverter
Classification of frequency converters Classification of frequency converters Frequency converter Frequency converter (Cycloconverter Cycloconverter ) Phase control: Phase control: thyristor cycloconverte yristor cycloconverte r (Delay angle control) angle control) PWM control: PWM control: matrix converter matrix converter (Chopping control) (Chopping control) Power Electron cs i Cycloconverter Cycloconverter is sometimes referred to is sometimes referred to – in a broader sense in a broader sense —any ordinary AC to AC converter any ordinary AC to AC converter – in a narrower sense in a narrower sense—thyristor cycloconverter thyristor cycloconverter 4
PEREC Outlin 4. 1 AC voltage controllers 4.2 Other ac controllers 4.3 Thyristor cycloconverters 4.4 Matrix converters 5
Power Electron cs i 5 Outline Outline 4.1 AC voltage controllers AC voltage controllers 4.2 Other AC controllers 4.2 Other AC controllers 4.3 Thyristor cycloconverters 4.3 Thyristor cycloconverters 4.4 Matrix converters 4.4 Matrix converters