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.

Why is it that polarization index type test is required for MV and HV motors and not for LV motors?

3 Answers   La-Gajjar Machineries, Qatar Airlines,

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CFL lamp is what type of load?

6 Answers  

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what & how to check the lightning arrester

0 Answers   ABC Telecom,

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Totally how much power will be consumed in 1 hour cotinuous running of electric train engine?

1 Answers   L&T,

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On Which Pressure PRV is operated.

0 Answers   AEPL,

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why C T secondary are rating 5A generaly .

7 Answers  

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What is the winding resistsnce need to be in a 1000kva, 11kv/415v transformer, between ht winding to lt winding, ht winding to earth, lt winding to earth.?

1 Answers   Trident,

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Suppose an electric motor with a controller is not working. What is the sequence of testing you will do in your troubleshooting?

2 Answers   Emerson,

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what is the best way to start a 15 KW motor for pump star-delta or direct on line ? and from how many KW i must use direct on line ?

1 Answers  

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What is the main difference b/t Earth leakage relay & Earth fault relay.I want protect my LT panel(Distribution Panels)which relay have to propose.......

1 Answers  

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How to calculate Number of Earthing Pits....???

0 Answers  

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How does an induction motor start?

0 Answers   Ericsson,

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