Quiz 1: Power Electronics

Which of the following is NOT the definition of electronic power?

• Electric power

• Electronics

• Control

• Electromagnetic

What is the advantages of semiconductor devices as switches in Power electronics applications?

• relatively small

• inexpensive

• efficient

• All of the Above

Following is the types of power electronics circuits EXCEPT

• AC-DC converters

• AC-AC Converters

• DC-DC converters

• HVDC Converters

Application of SMPS are;

• motherboard of computers

• HVDC measurements

• mobile phone chargers

• all of the above

Component for A & B

• Output Transformer & Chopper controller

• Input transformer & Chopper controller

• Inverter & Chopper

• Rectifier & Filter

Which is the following What is the use of inverter ?

• power controller

• Uninterruptable Power Supply (UPS)

• Reactive power control

• DC motor speed Control

The I-V Characteristic belongs to which component?

• IGBT

• TRIAC

• SCR

• SCR-GTO

Which of the following is IGBT symbol?

• 
• 
• 
• 

Below is the Mechanisms for turning off an SCR EXCEPT

• Natural commutation

• Frequency commutation

• AC line commutation

• Forced commutation

Which statement is INCORRECT about the differences between GTO-SCR and SCR?

• SCR size is bigger than SCR-GTO

• SCR needs a triggering circuit , whereby GTO SCR does not need a triggering circuit

• Switching speed for SCR is faster than GTO –SCR

• Latching current for SCR is smaller than GTO-SCR