IE - Inverter chapter

Inverter converts ______    to ______  .

• AC to DC
• DC to AC
• DC to DC
• AC to AC

Generally inverter specification is expressed in terms of what parameter?

• Voltage
• current
• Watts
• VA

PWM stands for ______.       

• Pulse Width Modulation
• Pulse Wide Modulation
• Peak Width Modulation
• Peak Width Modulator

Increasing the number of pulses (N),  _____________

• reduces the output voltage amplitude
• reduces the inverter efficiency
• improves the inverter efficiency
• none of the mentioned

In pulse width modulated inverters, what has to be controlled to control the output voltage?

• input frequency
• modulating index
• amplification factor
• none of the mentioned

Find the odd one

• Bridge Inverter
• Series Inverter
• Parallel Inverter
• Voltage Source Inverter

Among the following which component is best suitable for inverter application?

• SCR
• BJT
• MOSFET
• IGBT

Based upon the commutation methods, inverter can be classified as     

• Line commutated inverter
• Forced commutated inverter
• none of the above
• Both a and b

VSIs using GTOs are turned off by

• Load commutation
• line commutation
• applying a negative gate
• removing the base signal

Line-commutated inverters have

• AC on the supply side and DC on the load side
• AC on both supply and load side
• DC on both supply and load side
• DC on the supply side and AC on the load side