Answer Posted / aswin

A-aluminium
Y-pvc
F-flat armoured
Y-pvc

How can calculate the earthing strip of Copper/GI for rating of 30kV,discharge current 10KA Lightning arrester.

2326

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List the power rating of any 5 important electrical appliances used in houses.

2058

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what parameters should we check to reduce the power bill

2337

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what is the criteria for selecting fuse rating in 1phase, 2phase & 3phase welding sets?

1776

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How to decide no. of Step and Kvar for APFC Panel 40 kvar MD: 33.12 KVA Avg pf : 0.8540

1107

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how the CT and PT is connected in the circuit during testing of transformer explain with diagram

2031

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I HAVE A INCOMING 100A MCCB TPN 25KA, CABLE LENGHT OF 80M 70MM CABLE SIZE FROM MAIN SUBBOARD TO NEW DB.BASE ON THE FAULT LEVEL SETTING OF 45KA.I WOULD LIKE TO FIND OUT 25KA ENOUGH KA. APPRECIATE IF SOMEBODY CAN ASSIST ME WITH FORMULA FOR THIS. FRM: JEFF

4037

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for 11KV OH system what will be typical per KM "R" "L" "C" parameter. for 33KV OH system what will be typical per KM "R" "L" "C" parameter. for 33KV UG system what will be typical per KM "R" "L" "C" parameter.

2464

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Briefing the effects of ASR and ACR of a double closed-loop speed regulating system.

2255

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What type of DC motor would you see for a lift?

1097

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WHY EARTHING NOT NEEDED IN BATTERY IN SUBSTATION

1975

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if a.c supply is given to the motor,, what happen?

2162

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Why is remote backup preferred to local backup?

2077

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A 3-PHASE TRANSFORMER IS USED TO STEP-DOWN THE VOLTAGE OF A 3-PHASE, 11KV FEEDER LINE. PER-PHASE TURNS RATIO IS 12.FOR A PRIMARY LINE CURRENT OF 20A, CALCULATE THE SECOUNDRY LINE VOLTAGE, LINE CURRENT AND OUTPUT KVA FOR FOLLOWING.A)STAR- DELTA.B)DELTA-DELTA.

3064

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what is difference between window type and wound type transformers?where we will use window type and wound type transformers?

2207

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