Distinguish between neutral earthing and equipment earthing?
Answer Posted / dhananjay kumar ....gpl..
The star point of an electrical machine is earth to
make the neutral point and ground potential is called neutral earthing.
Is This Answer Correct ? | 3 Yes | 0 No |
Post New Answer View All Answers
What is the difference between multimeter
HOW TO CHECK THE VECTOR GROUP OF A TRANSFORMER YD11?
after how many spot we must chang secondry cable in portable spot welding gun?
which cable is used for 15 Hp monoblock pump 3phase and service wire Distance is 210 feet please tell me cable size Armaured
what is the reactive power what is the use of it in system
Does the direction of rotation of d.c. Shunt motor would get reversed if the armature current and field current both are reversed?
How can a equal potential zone be carried out in conductors?
how single phase preventer works ?
What is the formula of frequency ?
The transmission does not have options: a)Partition noise b) Flicker noise c) resistance d) Short noise and reason
Why we use circular(Stepped) cross section in transformer core?
what is meant by motor startup supervision & motor load jam protection ?
WHY CBCT USE ONLY IN Y PHASE NOT OTHER PHASES
1. What is differential relay? How it operates? 2.How to calculate the Short Circuit Impedance in Transformer? 3.What is the alternate solution for testing of polarity by using polarity tester while its milli ammeter does not works? 4. While testing the 33KV Busbar by using Hipot kit, what should be the test voltage we have to apply? 5. What is the procedure/activities to be taken to inject the current more than 2000A by using 2000A Loading Transformer? 6. Explain how you can give the overload setting to any Motor Protection Relay for a HT motors with formula and example? 7. Why restricted earth fault protection is needed? Why can’t differential Protection is sufficient? 8. What should be the minimum and maximum ohmic value for earthing? 9. Why DC Currents are not used in transformer? 10. What is the Frequency while we step up the voltage from 220V to 11KV? Is it possible? Explain it?
what is the string efficiency