|
What are the different turn on methods of SCR?
|
|
0
|
570
|
January 19, 2018
|
|
What is latching current in SCR?
|
|
0
|
769
|
January 19, 2018
|
|
What is holding current in SCR?
|
|
0
|
655
|
January 19, 2018
|
|
What are the advantages in operation of choppers at high frequency?
|
|
0
|
1830
|
January 19, 2018
|
|
What are the various control strategies for varying duty cycle of the chopper
|
|
0
|
1134
|
January 19, 2018
|
|
Advantages of three-phase drives over single phase drives
|
|
0
|
432
|
January 19, 2018
|
|
What causes poor input power factor in phase controlled DC drives?
|
|
0
|
970
|
January 19, 2018
|
|
Why thyristors are not preferred now a days for chopper fed DC drives?
|
|
0
|
1974
|
January 19, 2018
|
|
What is negative converter group in a cycloconverter?
|
|
0
|
1865
|
January 19, 2018
|
|
What is positive converter group in a cycloconverter?
|
|
0
|
2306
|
January 19, 2018
|
|
Applications of cyclo-converter
|
|
0
|
530
|
January 19, 2018
|
|
What is step-down cyclo-converters?
|
|
0
|
491
|
January 19, 2018
|
|
What is step-up cyclo-converters?
|
|
0
|
480
|
January 19, 2018
|
|
Types of cyclo-converters
|
|
0
|
452
|
January 19, 2018
|
|
What is cyclo-converter?
|
|
0
|
728
|
January 19, 2018
|
|
Advantages of sequence control of ac voltage regulators
|
|
0
|
1037
|
January 19, 2018
|
|
What is meant by sequence control of ac voltage regulators?
|
|
0
|
763
|
January 19, 2018
|
|
Disadvantages of continuous gating signal
|
|
0
|
2105
|
January 19, 2018
|
|
What type of gating signal is used in single phase ac voltage controller with RL load?
|
|
0
|
1640
|
January 19, 2018
|
|
What is meant by bidirectional or half-wave ac voltage controller?
|
|
0
|
550
|
January 19, 2018
|
|
Disadvantages of unidirectional or half-wave ac voltage controller
|
|
0
|
3730
|
January 19, 2018
|
|
Disadvantage of ON-OFF control
|
|
0
|
875
|
January 19, 2018
|
|
Advantage of ON-OFF control
|
|
0
|
801
|
January 19, 2018
|
|
Difference between ON-OFF control and phase control
|
|
0
|
3570
|
January 19, 2018
|
|
What are the two methods of control in ac voltage controllers?
|
|
0
|
673
|
January 19, 2018
|
|
Disadvantages of AC voltage controllers
|
|
0
|
2162
|
January 19, 2018
|
|
Advantages of ac voltage controllers
|
|
0
|
1640
|
January 19, 2018
|
|
Applications of ac voltage controllers
|
|
0
|
500
|
January 19, 2018
|
|
What does ac voltage controller mean?
|
|
0
|
600
|
January 19, 2018
|
|
Disadvantages of PWM control
|
|
0
|
490
|
January 19, 2018
|