Correct option is C
Percentage of Winding protected =100 - Percentage of Winding unprotected
All Courses
Question
A 11 kV 100 MVA alternator is grounded through a resistance of 4 Ω The C.T.s have a ratio of 500/5. The relay is set to operate when there is an out of balance current of 2 A. What percentage of generator winding will be protected by the percentage differential protection scheme?
Similar Questions
- 1)Which of the following is not an essential part of a motor meter?
- 2)PVC insulated non sheathed single core cable is mainly used-
- 3)What will be minimum insulation resistance of a system operated at maximum voltage of 250V?
- 4)Which of the following emits almost monochromatic light
- 5)In which type of motor flywheel in used for heavy load.
- 6)What is the principle of solar energy based on?
- 7)Voltmeter provide a route to-
- 8)Star to star transformer works properly when?
- 9)
1 HP is equivalent to how many watts?
- 10)Which of the following is not a method of speed control of induction motor?
Access ‘MPPSC’ Mock Tests with
- 60000+ Mocks and Previous Year Papers
- Unlimited Re-Attempts
- Personalised Report Card
- 500% Refund on Final Selection
- Largest Community
446k+ students have already unlocked exclusive benefits with Test Prime!
Access ‘MPPSC’ Mock Tests with
- 60000+ Mocks and Previous Year Papers
- Unlimited Re-Attempts
- Personalised Report Card
- 500% Refund on Final Selection
- Largest Community
446k+ students have already unlocked exclusive benefits with Test Prime!
Similar Questions
- 1)Which of the following is not an essential part of a motor meter?
- 2)PVC insulated non sheathed single core cable is mainly used-
- 3)What will be minimum insulation resistance of a system operated at maximum voltage of 250V?
- 4)Which of the following emits almost monochromatic light
- 5)In which type of motor flywheel in used for heavy load.
- 6)What is the principle of solar energy based on?
- 7)Voltmeter provide a route to-
- 8)Star to star transformer works properly when?
- 9)
1 HP is equivalent to how many watts?
- 10)Which of the following is not a method of speed control of induction motor?
