why secondary of transformer always grouded?

1 Answers   IIUC, Sodexo,

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We have got the HT connection of 1000 KVA in which we have installed a seprate APFC panel at the PCC end & seprate KWH meter is installed. My question is that does the KWH reading shown in the meter is a part of the Consumption ???? ( approx 500 units is shown)

1 Answers  

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how many test is necessary for 27mva transformer.

3 Answers   HEG,

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How to find ampere on ht side for selection of cable size ???

0 Answers  

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The MCB circuit breaker have a voltage rating of 440VAC it's possible to supply a voltage of 480Vac

1 Answers  

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Is there any difference in AC current/ DC current carrying capacity of a conductor .What can be maximum current handling capacity of a 2.5mm stranded cu cable when connected to AC and DC supply.

1 Answers  

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If we are importing real power & exporting reactive power then what will be the effect on our system

3 Answers  

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how many methods for starting an induction motor?

7 Answers   Hindustan Unilever Limited, Hyundai, TPL,

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if there is nutral in phase why we use earthing wire and grounding? even at fault condition the fault current flows to neutral (it is a lower path)

0 Answers  

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how can we decide where we have to DYn11 or other vector group transformer

4 Answers   BSL, Knight Frank, Security Printing and Minting Corporation of India Limited,

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i have a 4 Mva transformer 34.5 kv / 480-277 v and i used 2 parallel 3200 amp bus duct for the secondary feeder using 3 ply of bus bar ( 3/8" x 5" ) as a common where the flexible link terminated and 6300 amps breaker for the main, the lower bus duct reaches 70 degrees and the upper bus duct reaches 55 degrees when i used thermal scanner. why the temperature is not balance when the load reaches 3600 amps.

0 Answers   SCM,

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1 Sq.mm ( Aluminium Cable ) = How much Amphere ( AMP )

4 Answers   Google, TATA,

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