Answer / ckr41091

RMS value will be 1.414.

DIFFERANCE BETWEEN function of ELCB? function of rccb? function of mccb? function of acb? function of mcb?

4 Answers   MacAir, Sajas,

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If the line voltage is reduced to 75% of its rated value then by what percentage current will reduce ?? 75% 25% 50% no change and why ?

0 Answers  

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in 220/132 substation in place of PT what equipment used & what r the role of that equipment

2 Answers  

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I just purchased a 4 position cam switch to be used to operate a 3-speed blower motor. The motor is a 10 amp motor and has 3 wires that are used to control speed. The cam switch was rated at 660V 20 amps but when I received it, I noticed that it has AC-15 operational current rating (Ie) of 4/5 amps. If I am reading the label correctly. the 4/5 amps is related to 440v/220V (Ue). Other ratings are AC-3: 5.5A, AC2: 7.5A and AC-4: 1.5A. My questions are 1) Is it safe to use this switch with the motor I have 2) what is the difference between the 20 amp Ith ratting and the Ie operational ratings?

0 Answers  

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What is Annunciation?

0 Answers   Solare,

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I have one ct of ratio 3000-2000/1 Amp its knee point voltage mentioned on name plate is 500-333/30mA-50mA at Vk/2. in secondary box there is three terminal named 1S1, 1S2, 1S3 then on which terminal obtained the knee point voltage ie 1S1-1S2 OR 1S1-1S3 & also specify the knee point voltage for the ratio 3000 from name plate.

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why does voltage generation at 11 kv?

2 Answers  

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How to use earthing on shipments.

0 Answers  

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what is rating providing of contactor,relay,fuse unit for motor output power

2 Answers  

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a governer in an Ic engine controls the

0 Answers   Caterpillar,

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what are the protection equipments used betbeen HT line and transformer in a power plant

4 Answers  

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what is the diff. between AVR & H.T.Stabilizer

2 Answers  

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