Answer / romeovictoriano

Aside from answer # 1, consider also the total weight of
all the cables on that particular ruote in order to
minimize sagging or deflections as per the requirement
either by codes or by project standards. The limitations of
carried weight can be seen in manufacturers specifications.

Answer / nitin patil

cross section of tray= cross section of cabel/ fill ratir

Answer / k.prakashchandra

Width = sum of diameters of cables

What is PLL? what are it's advantages?

1 Answers   BREB,

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what is p.s impedance measurement test in earthing transformer?

0 Answers   Greenko,

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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

0 Answers   KSEB,

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why rms value of voltage is fed to transformer

1 Answers   Bhel,

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Can you explain about TEE protection scheme?

0 Answers   Voltech,

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1sq mm dc powr cable can carry how much dc currnt

0 Answers  

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why incomer bay is required before transformer bay if there are more than 1 nos. of transformer bay.

0 Answers  

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Getting nusense tripping in a 11KV soft starter, have checked all it control supply & contactors but did not get any fault please help.

3 Answers  

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What is dynamo?How it works and what is the function of dynamo in a DG.

0 Answers  

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what is dyn 11

3 Answers  

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For load of 1 nos 3 TR Air Conditioners,6nos of 60 Watt Tibe Lights, 2 nos 200 W Outdoor Lights,1 no Coffee maker.All may work at the same timehow do I select DG Set Rating ,pLease advise the calculations

1 Answers  

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What is the difference between MCB and Earth MCB? What is the working principal of MCB?

2 Answers  

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