how do we calculate of transformer in va?what is calculation?

2 Answers  

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How do we calculate conductor size?

1 Answers   Hero Honda,

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If 110 volts ac is mixed up ith 12 volts dc what will be the resultant voltage and what is the wave form?

1 Answers  

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how to decide the rating of the ct for 1500 kva transformer

1 Answers  

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50 electric bulbs are connected across supply of 220 volts. After one bulb is fused remaining 49 bulbs are again connected to same supply. which case will have more illumination & WHY????????

5 Answers   KJ,

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When a square wave is applied to primary of a transformer then what will be output wave form of secondary ?

0 Answers  

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What is Minimum permicible meggering value for following 1) LT Panels (Ph to Ph / Ph to Earth) 2) 11 KV, HT Panels (Ph to Ph / Ph to Earth) 3) 11 KV Cable 4) LT Cable

1 Answers   BFL,

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A powerplant has 8 gensets operating in grid parallel mode. In one genset sometimes there is pf variation and kvar variation. The plant operates in pf mode. When this variation is observed the load is stable, voltage is also stable, freq and genset speed is also stable. How will you check the functioning of pf card. What shall be the ideal output vdc of the pfc, from there it is input to AVR?

0 Answers  

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why so voltage is same in parallel circuits and current is same in series ckt?

3 Answers  

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if we have to design a small transformer of rating 1 kva or 1 mva , how can we design it?

1 Answers  

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How many earthings are provided for a 250KVA distribution transformer?

9 Answers  

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working principle of UPS

15 Answers   Mantri,

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