Electric Drives Mock Test 8

10%

Question 1 of 10

1. Calculate the fundamental component of source current in 1-Φ Full wave bridge rectifier for the load(Highly inductive) current=78 A.

69 A

45 A

78 A

13 A

Question 1 of 10

Question 2 of 10

2. Calculate the r.m.s value of thyristor current in 1-Φ Full wave semi-converter for the load (Highly inductive) current=2.2 A and α=155°. (Asymmetrical configuration)

.58 A

.57 A

.51 A

.52 A

Question 2 of 10

Question 3 of 10

3. Calculate the value of the fundamental displacement factor for 1-Φ Full wave bridge rectifier if the firing α=17°.

.56

.95

.98

.19

Question 3 of 10

Question 4 of 10

4. Calculate the output voltage of the Buck converter if the supply voltage is 13 V and duty cycle value is .16.

2.54 V

2.58 V

2.24 V

2.08 V

Question 4 of 10

Question 5 of 10

5. Which one of the following load is suitable for leading power factor load in Single phase Half-bridge inverter?

R-L-C underdamped

R-L-C overdamped

L-C load

C load

Question 5 of 10

Question 6 of 10

6. Calculate the value of the fundamental displacement factor for 1-Φ Full wave semi-converter if the firing angle value is 69°.

.48

.82

.88

.24

Question 6 of 10

Question 7 of 10

7. Calculate the r.m.s value of diode current in 1-Φ Full wave semi-converter for the load (Highly inductive) current=5.1 A and α=115°. (Asymmetrical configuration)

4.21 A

4.71 A

4.52 A

4.61 A

Question 7 of 10

Question 8 of 10

8. For highly inductive load current remains continuous.

False

True

Question 8 of 10

Question 9 of 10

9. Calculate the value of the fundamental displacement factor for 1-Φ Full wave semi-converter if the firing angle value is 95^o.

.62

.67

.68

.60

Question 9 of 10

Question 10 of 10

10. Calculate the average value of thyristor current in 1-Φ Full wave semi-converter for the load (Highly inductive) current=25.65 A and α=18°. (Asymmetrical configuration)

14.52 A

15.48 A

12.15 A

11.54 A

Question 10 of 10