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is a normal conductor can be used a core in windings if not what is the winding core speciality.
2 4649can we light the mercury vapour (tube light)with out a 1).starter and 2).choke in our homes if yes explain how?
5 7996How to calculate the KA rating for a circuit breaker if we know the KVA rating of the generator feeding it?
2 188291. 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?
227611. As per the theory current doesn’t flows in Neutral, but practically it is not applicable, explain why? 12. How to take the Vector Group Test in Transformer? What is the purpose of doing Vector Group Test? 13. Why the transmission lines are in 11kV, 22kV, 33kv, and why not 10kV, 20kV, 30kV? 14. Why do we generate 3 Phase AC Supply? It is possible to generate 4 Phase and 5 Phase explain it? 15. Explain why the Voltage drop will happen in 3 Phase line? 16. What is the equipment used to control the generator output? 17. What are the factors to be considered during the Synchronization? 18. What should be value of Circuit breaker operating time and tripping time? 19. Why the CT Secondary is rated as 5A generally? 20. At which time Synchronous generator act as a Synchronous Condenser?
1 573421. What is the purpose of taking Capacitance and Tan Delta Test in Transformer bushing? 22. What are the protections to be used for Generator? 23. Draw the vector diagram and condition for the following: 1) Dyn1 2) Ynd0 3) YnYn0 24. What happens when the polarity changes in CT? Explain briefly? 25. Explain the Term in CT Name Plate – Class: 5P10
3 9478what is the difference between power transformer & distribution transformer and what are their ratings respectively?
4 8233sigal phase supply is 230 v ac two phase supply is 415 v ac then why three phase supply having supply is 415 v ac why not 690v ac
2 5831Post New Electrical Engineering Questions
If a high resistance fault occurs,then what are the changes will happen in the system?
plz send me Bhel, Mahagenco, sbi previous exam paper for electrical engineer on my email-id kambali_smita@yahoo.co.in
What is the BS(British Standard)code for 11kv motor
how to find the voltage's of a transmission line plzz help with pictures i am not able to understand
hi can any body send me syllabus of rrb electrical section engg... and past pepar also of any board...
1.ZEBRA conductor(large size) 2.KUNDHA conductor( small size ) 3.panther conductor(very small ) 4.lepard conductor (very very small)
Can we Co-ordinate relay in Load Break switch?
how we arrange the hv side with delta connection in case 33/11kv of transformer.
what exactly commisioning work does in electrical site work... LT side?..
How to maintain ac plant?
what is the meaning of vcc
How to calculate the phase to phase clearness of HT /// LT bus bar?????
when we decide to use soft starter drive or vfd drive in mcc to operate apump?
Mr. mohh sahid m not satisfied for ur answer to the que weather the size of transformer increases or decreases withchange in fr for more detail go to the answer given by me
in our all power plant have connected in grid and grid voltage and plant voltage is same, but as per as electrical concept the power will transmit from high potential to low potential but here altough same,then how power transmit from power plant to grid.
