Quiz Week 1_Electrical Drives Intro

Power converters can change one form of power to another form of power using semiconductor power devices.

• True

• False

The main function of power switches during off-state is to _____ forward and reverse voltage.

• block

• conduct

The main function of power switches during on-state is to _____ forward current.

• block

• conduct

All semiconductor power devices require a gate signal to initiate current conduction.

• True

• False

SCR is defined as ...............

• Silicone Cup Rectifier

• Supply Controlled Rectifier

• Silicone Controlled Rectifier

• Shorted Controlled Rectifier

Which is the symbol of SCR?

• 
• 
• 
• 

Power Electronics can be defined as ...........

• A conversion from Alternating Current to Direct Current of Power Supply

• A conversion of DC power supply to AC power supply

• A conversion of AC power supply to AC power supply

• A technology of converting electric power from one supply to another supply using electronic power devices.

The electronic devices below are unidirectional devices EXCEPT:

• TRIAC

• Diode

• Silicone Controlled Rectifier

Diode pass ......... in one direction?

• a) Voltage

• b) Current

• c) Both

• d) None of these

Diode... 

•  allows current to flow in one direction
•  allows current to flow in two directions
• is a resistor
• is a controlled switch