Answer / ram

FIND OUT FULL LOAD CURRENT OF THE GIVEN EQUIPMENT.
THUMB RULE IS THAT, FOR CU CABLE, IF THE CURRENT IS 6
AMP/SQ.MM THE CABLE STARTS TO HEAT. AND FOR AL CABLE IT IS
2 AMP/SQ MM.
ACCORDINGLY WE CAN SELECT THE CABLE.

Answer / ych

First we have to calculate FLC and after that must look in
the book.

Answer / binay agarwal

For LT motors,
For copper,current carring capacity is 4 times of there
cross section area,
For aluminium,current carring capacity is 3 times of area.
This ratio will continuously decrease as we will go to HT
side motors.

ACCORDING TO IEC WHAT SHOULD BE THE MINIMUM HEIGHT OF G.I. STRUCTURE OF CT, PT, ISOLATOR, LA?

0 Answers  

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tell how current tranfomer works

2 Answers  

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purpose of breaker contact multiplication relay?

5 Answers   ABB,

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We have 2 Nos. Transformer with the capacity of 2000KVA and 1250 KVA and currently using only one 2000KVA T/R during operational hours while non- operational hous 1250 KVA T/R also used to reduce T & D losses. Similarly, 2 capacitor bank of 500KVAR and 300 KVAR also installed to balance reactive power. Now problem is around 1000 KW load PF is not maintaning 0.99 as 350 KVAR capacitor is in healty condtion. Now the PF is maintain 0.95 to 0.96.

2 Answers  

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why tan delta test conducted in electrical equipmenr

4 Answers  

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What is essential to prove safe isolation of electrical circuit?

0 Answers  

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all details of DG UPS HVAC

0 Answers  

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Whis machine is having higher efficiency Transformer or Generator

2 Answers  

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What is the function of retrip in busbar?

0 Answers   Getco,

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What do you mean by pull of electromagnet?

0 Answers  

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what is current

8 Answers   NTPC,

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what is the fullform of mccb

10 Answers   Thermax,

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