Three Phase Full-wave Bridge Inverters

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What is the RMS value of line voltage VL?

0.8165Vs (correct)

0.6752Vs

0.7071Vs

0.7797Vs

What is the RMS value of phase voltage Vp in 180° conduction mode?

0.4082Vs (correct)

0.3898Vs

0.4714Vs

0.4502Vs

What is the RMS value of fundamental line voltage VL1 in 180° conduction mode?

0.6752Vs (correct)

0.8165Vs

0.7071Vs

0.7797Vs

What is the RMS value of fundamental phase voltage Vp1 in 180° conduction mode?

0.3898Vs Signup and view all the answers

What is the limitation of 180° conduction mode inverter?

There is no provision of commutation time. Signup and view all the answers

What is the advantage of 120° mode inverter over 180° conduction mode inverter?

There is provision of commutation time. Signup and view all the answers

How many switches are conducting in 180° conduction mode?

Three switches Signup and view all the answers

What is the potential of the third terminal in 120° mode inverter?

Defined by the nature of load. Signup and view all the answers

What is the displacement between the operation of each inverter leg in a 3-phase full-wave bridge inverter?

120° Signup and view all the answers

How many switches are conducting in a 180° conduction mode of a 3-phase full-wave bridge inverter?

Three Signup and view all the answers

What is the formula to calculate the rms value of line voltage VL?

VL = 2/3 VS Signup and view all the answers

What is the expression for the instantaneous line voltage in a 3-phase full-wave bridge inverter?

vl = 4VS / π cos(nωt + φ) Signup and view all the answers

What is the value of the Total Harmonic Distortion (THD) in a 3-phase full-wave bridge inverter?

0.311 Signup and view all the answers

What is the formula to calculate the rms value of the fundamental component of the line voltage?

VO1 = 4VS / π Signup and view all the answers

How many power switches are used in a 3-phase full-wave bridge inverter?

6 Signup and view all the answers

What is the operation mode of a 3-phase full-wave bridge inverter discussed in this chapter?

180° conduction mode Signup and view all the answers

What is the most efficient method of controlling the output voltage of a single-phase inverter?

By Pulse Width Modulation (PWM) control Signup and view all the answers

What is the advantage of using PWM control in a single-phase inverter?

It minimizes the lower order harmonics Signup and view all the answers

What is the disadvantage of using PWM control in a single-phase inverter?

It includes more complex control circuits for the switches Signup and view all the answers

What determines the fundamental frequency of the output voltage in a single-phase inverter using PWM control?

The frequency of the carrier wave Signup and view all the answers

What is the range of pulse width variation in a single-phase inverter using Single Pulse Width Modulation (PWM) control?

0 to 180° Signup and view all the answers

What is the range of pulse width variation in a single-phase inverter using Uniform Pulse Width Modulation (UPWM) control?

0 to (180°/P) Signup and view all the answers

What is the purpose of comparing the rectangular reference signal with the triangle carrier wave in a single-phase inverter using PWM control?

To generate the gate signals Signup and view all the answers

What is the name of the technique used to control the output voltage of a single-phase inverter by varying the pulse width of the gate signal?

Pulse Width Modulation (PWM) control Signup and view all the answers