why do we prefer -48 volt instead of -24volt or -12 volt etc. ??

1 Answers  

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what is transformer?

4 Answers   Mphasis,

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why is using sensor?what is differece between photoelectric and proxmitty?

0 Answers  

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if the load is 80 amp for main fuse and 100 amp for breaker so how can we calculate the cable size (cooper ) .

0 Answers   Bhel,

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What is Creepage distance?

1 Answers  

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Draw a SLD for main panel for school having connected load of 1200kw and emergency generator 200kw.also show the increase of additional load of chiller 225kw in the lv panel indicating meter postion size of transformer ,cables and capacitor bank.

0 Answers  

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what is derated current of power cable & what is formule to find derated current?

1 Answers   Thermon,

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How can we calculate strength of copper hich is supplying electric power to heater and in it hold the heater also and what r all types of forces which is acting on it...

0 Answers   ABB,

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if 15 kv is grounding directly what will happen?

5 Answers  

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Why PT voltages are measured with respect to ground? What do u mean by voltage or current polarized.

0 Answers   Grasim,

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HOW TO CALCULATE HV TEST VOLTAGE FOR ELECTRICAL EQPT.

0 Answers  

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is there any chance to get shock from the transformer oil at the time of maintenance due to its dielectric property. . ?

6 Answers   Bhel,

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