Answer / sami thamer

the value of the (KA) in (mccb) represent the resistance to
current rising occuring at the short circuit or at
earthleakaging.

Answer / utsav datta

KA denotes the s/c current breaking capacity of the circuit
breaker under s/c condition.
The improvisation is actually resistance to current rising
at s/c.

What is main cause of cable's terminal point burned in Lug on high temperature although lug and cable selection is ok as per stantard and also tightness is ok as per situation. so please take in deep and tell correct answer thanku.

1 Answers  

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what is the operation of UPS ? can any one answer me?

7 Answers  

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what is the diffrent between ups and inverter

2 Answers   ABB,

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i am electrical and elctronics engg passed out in 2009 want to attend for reliance placements.plz send me apttitude ,technical and hr question answers to my mail plz. my mail id-kat.bindas@gmail.com

0 Answers  

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IF TVM OF TRANSFORMER SHOWS POWER FACTOR ON 33 KV SIDE AS 0.97 LAGGING AND ON 132 KV SIDE IS 0.75 LEADING.IS THIS CORRECT.WHERE IS PROBLEM.

0 Answers  

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about your self?

4 Answers   Hyundai, US Technology,

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1. The DC generaror,s induced output emf is connected with a DC motor(as load). when increasing the load of the motor by using brake drum or any way. what are the parameters will changes in both motor and generator(voltage, current, resistance, frequency, speed, torque, power, flux etc...) 2. Similarly for AC generator and AC motor 3. similarly if using DC batteries instead of DC generator, What happens?

0 Answers   IBM, Kirloskar,

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What is the function of automatic Transfer Switch(ATS) in details

3 Answers  

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Stator of 3-phase IM has 3 slots per pole per phase, calculate number of stator pole pairs. A 1 B 6 C 2 D 3

2 Answers  

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why does connected a indutor with mnsformeretering core of current transformer ?

0 Answers  

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I have 200 KVA Isolation Transformer for UPS input side. & ups was having 48% load, suddenly got short what will be the reason.

1 Answers   Mukand,

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Please let me know DG set b check how many hour and days.

2 Answers   Amazon, Cummins,

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