differance b|w ground, neutral&earth
Answer Posted / mohammed yousuf khan
In a simple way,
1)Neutral is used as the reverse path for the phase currents to complete the circuit in A.C. systems.
2)Earthing is for Self protection.
3)Grounding is for System protection.
| Is This Answer Correct ? | 6 Yes | 0 No |
Post New Answer View All Answers
mccb service sittings be done?
How to choose the vector group for the step up and step down transformers??? Tell me the which vector group is suitable for step up and step down transformers and whats the reason to choose and whats the benefits???
In all analog voltmeters or ammeter showing some small size symbols. as well as a star and in star 2no. digit, resister symbol,and other. what is that's meaning ?
give single line diagram of D.G distribution form alternator to main L.T panel?
What is the difference between single point and double point bonding. please kindly detail about bonding of cables.
what clearance required for 4.5 mva dry type transformer?
Can anyone explain me about the RLC based Impulse high voltage generator and how to and operation of Series resonant High voltage reactor...?
How to measure current and voltage in an ELV circuit
rajha power sector details
Q: How to calculate Transformer losses , tell us by Formula.
How to calculate VA rating for CT or PT or Control Transformer?
I am shobana from Chennai. I am having my personal interview on 19th Dec at Chennai.kindly mail me the questions to mail id shobana.shanthi@gmail.com
What is the loss of power of transformer 220kv/33kv,63/80mva of % imp12.05 at 80%load
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?
how will reduce the voltage. if 12volt/250ma transformer toreduce 6 volt