Answer / najamkccl

the vector group designation indicates the winding
configurations and the diffrence in phase angle betwen
them(HV,LV).

FOR EXAMPLE.

a wye HV windings and delta LV widing with the 30
degree lead is denoted as Yd11.

what is different between neutral and earth?

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why generally transformer are in star to delta

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who to select a swicth fuse unit......?

2 Answers  

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How to calculate HT XLPE CABLE for 11 kv / 433 v , 1500 kva oil type transformer system? plz provide step by step calculation

15 Answers   Engineers India, Indian Railways, Polycab, Shashwat, Sitara Energy, Sonali Bank,

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In protection core of a C.T. why Knee pont voltage is greater than SLV and in metering its viceversa?

2 Answers  

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what is the method to calculate the voltage drop for number of meters Example 250volts I/p at one end if the cable length is 50 meters what could be the drop?, after 100 meters how much? needs formulae.

1 Answers  

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If a rotary UPS is in line through grid power; What would be the impact on Power Factor if the load through rotary ups is 25% , 50% , 75% & 100%. Will the power factor reduce with less load?

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how does the terminal voltage of transmission lines increase when a capacitor is connected???? This happens not only in transmission lines but also in all circuits. How??? When a capacitor is connected in a transmission line, capacitor also takes energy from the same supply. But how is it able to increase the terminal voltage??? Practically What sequence of events happen during increase in voltage???

0 Answers  

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generally on the roadside v hav 11kv line which is being step down to 440v line to line....so any1 can tell me which type of transformer they r using whether it is star to delta,delta to star etc...???

9 Answers   Core Solutions,

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When a capcitor is used on 440 v thenthis is kvar rating 25kvar .my question is that when we use this capcitor  use 480 v &525 volt .how much kvar increase . Plz give my question ans. And give answer with formula .my mail id is rohitashsaini013@gmail.com

1 Answers   Neptune,

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How work of capacitor in dc supply...???

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sir please tell 1 ton equal to how many kilo watt?? in some converter software's that is 3.5 kw. is it right?

1 Answers  

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