In AC voltage controllers the

Related MCQs

• The AC voltage controllers are used in __________ applications.
• AC voltage controllers convert
• Calculate the output voltage of the Buck converter if the supply voltage is 789 V and duty cycle value is .9.
• Calculate the output voltage of the Boost converter if the supply voltage is 156 V and duty cycle value is .4.
• A single-phase voltage controller, using one SCR in anti parallel with a diode, feeds a load R and Vs = 230 V. For a firing angel of 90° for the SCR, the PMMC voltage connected across R would read
• In a 3 phase full wave regulator feeding a star connected resistance load the input voltage is 400 V line to line. The firing angle is 160°. The line to line output voltage would be
• A single phase half wave rectifier is feeding a resistive load. When a = 0, dc output voltage is 127 V. When a = 30°, the dc output voltage will be about
• In current commutated DC-DC choppers, the voltage spike appears across the load when
• Voltage commutation circuit can be converted into a current commutation by interchanging the positions of
• In a 3 phase half wave rectifier, when firing angle is less than 90 degree, then the average dc output voltage becomes