Answer / varu shlok

transformer is static device which transfer energy form one place to other place at a time of energy transferring mode device get saturated and heated up for that AIR GAP is necessary for cooling as well as lenkage of flux for addy current purpose...

what ever the ups kva it may 500 kva or 500 va always out put is AC 240 volts its right?

3 Answers  

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can we install HT panel & LT panel side by side or how much clearance is required ?

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what will happen if earth of 33 kv cable (earthed system) is not connected to earthing pit?

0 Answers  

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What are the advantages of a three-phase system over a single-phase system?

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The capacity of the transformer is 20/25 MVA, Ratio is 132/11 KV, Vactor group YNyno. and impedance is 10.07%. As per the calculation the secondary current is 1312.2Amps. The maximum fault current the transformer should sustain is 13.030KA. How many times the transformer should sustain the maximum short circuit current of 13.030KA over a period up 1 Year. The transformer is repaired one & 10 Years old.

1 Answers  

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Why use in ht motore

0 Answers   ACB Group,

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What is power focter ?

6 Answers  

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RESPECCTED SIR/MADAM- I AM PRERING FOR SECTION ENGINEER (ELECTRICAL) RRB CHANDIGARH PLEASE SEND ME SOME PREVIOUS YEAR QUESTION PAPER OR MODEL PAPER.MY EXAM IS ON (30- NOVEMBER 2008).I AM VERY THANKFUL TO YOU. FROM- HARENDRA SINGH YADAV

0 Answers  

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which phase is preferred for connecting 1 phase vt used for synchronizing OHL? WHY?

0 Answers   Siemens,

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power inverter we are using 2n3773 power transister in that places we can use any IGBT ?

1 Answers   Essar,

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Best way to measure the Soil resistance of rocky soil, three probe method and four probe method

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In our domestic single phase line if you don't have a ground connection (earthing)how will you separately use earth in a specific power supply board.

1 Answers  

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