Answer / fff

without grounding fault current not flowing in the earth ..so may fault current do not get closing path ... cant sensed by relay maybe.

how do we calculate contactor and fuse rating for a motor if its full load current is known,i want exact calculation for 1.5 kw motor????

1 Answers   Allied Group, Nucon,

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we have consol make 3 phase servo stabilizer for cnc m/c. while installing the earth neutral voltage is 1.7 volts at stbilizer off condition and when stabilizer get on en voltage reaches 4.8 volts (new earthing is done and neutral is helthy condition all phase to neutral volts 440,442,441 v)why this happen.solution for cause.

3 Answers  

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what is circuit recombiner and how it is different from circuit breaker

0 Answers  

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Hi friends. m 3 years drop. now d company asks in d interview d reason 4 my drop.what shud b d probable answers 4 that which may not put a negative impression.

2 Answers  

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i have a motor 55kw how u will calculate cable specification for this motor

1 Answers  

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what is the harmonics? which harmonics(fundamental and reference) is suitable for calculating capacitor bank and Active filter and passive filter? what is the 1st 2nd 3rd 4th 5th harmonics and effects?

1 Answers  

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Dear sirs, pls check this 4-20ma to RS485 module datasheet,pls guve me some suggestions. http://www.szsunyuan.com/sy/pro_more.asp?Productid=539 Thanks. E-mail:yunianjiang99@gmail.com

0 Answers  

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what is the function of RVT

4 Answers   RMSI,

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Ammeter of 1 ohm resistance measure max 10 ohm to measure higher resistance from it

6 Answers   BARC,

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What are thermo couple cables and where they are used.

2 Answers  

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what is voltage present between to phases in a three phase motor?

1 Answers  

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what is MCCB?

8 Answers   NTPC,

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