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

1 Answers   Thermon,

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How the main bus bar rating of 400kV switchyard with one and half breaker scheme is calculated.

2 Answers  

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whu the transformer noise during running condition?

1 Answers   NTPC,

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what is a tri vector meter? what are the tri vectors?

2 Answers  

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What is the maximum allowed kwa through 2.5mm cable. Electric company installed 2 electric meter at my premises . Two jumper wires of 2.5 mm are used to connect . 2 single phase meters with allowable load 6 and 3 kwa. These jumper wires are taken from a 3 phase electric meter. Meters are in open Sun. What max load these wires can take.

0 Answers   KESC,

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i am going to correct power factor of 1600kw induction motor,when i calculate capacitance of capacitor it is three time more in star connection than delta. if motor is star connected which connection i shall adopt for capacitors and reason for adopt this connection

0 Answers  

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my question is that....few days ago i had installed a three phase motor starter for an electric saw.the motor will run and make the hydraulic pressure which will be goes to pressure cylender by up and down lever.two number of limitswitches are also installed on cylinder for safety of motor.now when the arm of cylinder reaches to the upper or lower limit it will cut the motor's line.and motor will be stop.now wana know that what will i do that motor runs continue after the limitswitch cut it down but it shold not be made any pressure.pls answer me in brief.

3 Answers  

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While testing the 33KV Busbar by using Hipot kit, what should be the test voltage we have to apply

2 Answers  

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HOW EFFICIENTLY LOAD IS SHARED BETWEEN ALTERNATORS

1 Answers  

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wath is this mining of dg

2 Answers   Nokia,

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what is the purpose of high speed earth switch in gas insulated substat

0 Answers   ABB,

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how to calculate EXCITATION VOLTAGE & CURRENT in ALTERNATOR

0 Answers  

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