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WorksheetsPower Electronics Quiz1
Total questions: 15
Worksheet time: 4mins
Name the terminals of an IGBT
Collector, emitter and gate
Collector, base and gate
Collector, base and emitter
Identify the power electronics device that supports bidirectional current flow.
TRIAC
Thyristor
Power MOSFET
Power BJT
The device most suited for high switching frequency operation is _______.
Power MOSFET
Power BJT
Thyristor
IGBT
A cycloconverter is also termed as (a) converter.
____________ commutation is used in AC/DC converters and AC/AC converters
Natural
Forced
Neutral
________ is used in converters to remove the negative voltage in the output and also to maintain load current continuous.
Freewheeling diode
Snubber circuit
Crowbar protection
reactive filter
A matrix converter directly converts ______ without an intermediate DC stage.
AC to AC
AC to DC
DC to AC
DC to DC
Vo = Vs / (1-α), is the expression for the average output voltage of a ___________.
step-up chopper
step-downchopper
inverter
cycloconverter
In a single-phase fully controlled bridge converter, the converter attains the inverter mode operation when the firing angle goes beyond ____.
90˚.
30˚.
60˚.
180˚.
Identify the terminals of TRIAC
MT1, MT2, Gate
Anode, Cathode, Gate
Collector, Cathode, Gate
_______ is used in converters to remove the negative voltage in the output and to maintain load current continuous.
Free Wheeling Diode
Snubber Circuit
Crowbar Protection
Forced type of commutation is used in Inverters.
DC Chopper circuits uses natural commutation
An Inverter Circuit converters Fixed DC to Variable AC.
Identify the essential converters used in the both terminals of a HVDC transmission.
Rectifiers and Inverters
Choppers and Inverters
Rectifiers and Choppers
