Interested to Buy Any Domain ? << Click Here >> for more details...
what is the surge arrestor?how it operates?what is the
range for it?
- 4 Answers
- 7417 Views
- I also Faced
- E-Mail Answers
Answer Posted / sunil lohani
a surge arrestor is a device which prevents the equipments from high voltage spikes and that is passed the high votage to the ground..
| Is This Answer Correct ? | 1 Yes | 1 No |
Post New Answer View All Answers
what are the types of electromagnetic forces developed in practical transformer?
How can two 3 phase transformers of same KVA and Voltage be connected in parallel?
What are the specifications for getting approval of Substation?
how to calculate kvar in Akiva
Refernce currents are to be generated using refernce cueernts how can this be done
Difference between Earthing Truck & Earthing trolly for HT panel
Rules and standards of electrical control wiring ?
What are the advantages & disadvantages of a group electrive drive?
How relay coordination has to be done? what are the inputs are required for this? Please explain this with calculation method?
xpression 'document.FrmQF.myemail' [
why starting current is high and resistance is almost 0 during the starting of motor dc motor...?
TRAFO 1. WHY BREATHER IS USED. 2. WHY OIL GOES DOWN IN CONSERVATOR TANK. 3. WHY WE ARE TAKING OIL SAMPLE TAKING FROM BOTTOM OF TRANSFORMER. 4. HOW TO CHECK IR VALUE OF TRANSFORMER. 5. WHY OLTC HAVING BUCHHOLZ TRIP ONLY; WHY NO ALARM. 6. OFF LOAD TAP CHANGER OPERATION PROCEDURE. 7. TR. SHUTDOWN / ISOLATION PROCEDURE. 8. WHEN THREE TRS. IN PARALLEL, ONE TR. IS NOT SHARING THE LOAD – WHAT IS REASON AND WHAT YOU WILL DO. 9. WHY TR. HAS OLTC IN HV SIDE. 10. WHAT IS % IMPEDANCE. 11. WHY TR. RATING IN MVA. 12. WHAT IS VECTOR GROUP IN TR. 13. CONDITION FOR PARALLEL OPERATION OF TRS. 14. WHAT IS TERTIARY WINDING. WHERE IT WILL BE. 15. IF TR. TRIP ON BUCHHOLZ OR TAP CHANGER RELAY, WHAT YOU WILL DO. 16. DIFFERENCE BETWEEN OIL TEMP. AND WINDING TEMP. PROTECTION 17. HOW WINDING TEMP. IS MEASURED IN CAST RESIN TR. 18. DIFFERENT TYPES OF FAULTS IN TR. Trafo - Page-1 of 2 19. WHAT HAPPENS WHEN TR. CHARGED FROM LV. 20. WHAT WILL YOU DO IF MEGGER READING SHOWS ZERO BETWEEN LV WINDING AND EARTH. 21. CAN WE INTERCHANGE BUCHHOLZ RELAY OF MAIN TANK AND OLTC TANK. 22. IF THE LINE BETWEEN BREATHER AND CONSERVATOR TANK 23. LOCKED, WHAT WILL HAPPEN DURING LOAD CYCLE. 24. WHAT IS THE FUNCTION OF OIL SEAL IN BREATHER. 25. WHAT ARE LOCATIONS FOR BUCHHOLZ RELAY FIXED IN POWER TR. 26. WHAT ARE CHECKS IN POWER TR. DURING MAINTENANCE. 27. WHAT IS IMPORTANT WHEN WE CHECK OLTC OPERATION DURING MAINTENANCE. Trafo - Page 2 of 2
slipring induction motor starting time Lrs operating why lrs starting time lrs outer body didn't get shock
What is the physical significance of phase.. i.e. what is exactly the meaning in layman's language.. 1 phase, 3 phase etc ???
What is the difference between rated and per unit in transformer?
