Answer / vikram

Groud wires are condutors running parallel to main
conductors,To protect them from direct lightning strokes.

counterpoise are which help in reduction of tower footing
resistance,Theses tower footing resistace are conected b/w
ground wire and ground (earth).

how to get 48 V DC I have ... 1. 12 volt power supply board 2. DC power supply ( max. 30 v) 3. 9 volt batteries ( 2 - not chargeble)

2 Answers  

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We have Diesel generator of 200KW. fuel consumption is always same,even connected light load or full load. Is it right?

0 Answers   ARDE,

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What happen if field ckt is open when a sailent pole alternator connected to infinite bus

3 Answers   Bhel, Nilkamal,

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Differcence between UPS and Inverter.

4 Answers   Adani,

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what is derating?, why it is neccesary, it is same for all means for drives, motors,and cables.

1 Answers  

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if dc is better then ac...then why we are perfering ac over dc?eg:at home?

2 Answers  

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What is the difference between automatic & semi-automatic star-delta starters?

3 Answers  

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If the output of a 100kva, 415v generator is stepped up to 11kv with a 500kva transformer,can the transformer be Loaded above the source generator loading?

2 Answers  

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When alarm is activated in buccholz relay in transformer

1 Answers  

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how to cal calculate capacitance in DC Circuit

1 Answers  

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what rectifiers is and what are the types of rectifiers?

0 Answers  

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If we have a 2000kva load,How much kvar capacitors we go to add to improve the power factor at 0.9?pls give the calculation and fully theory?

2 Answers   ABB, Unitech,

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