Answer / ahmed mustafa

Transformers have errors arising from both Watt metric and
magnetizing current losses that cause deviation from the
ideal and the interconnection between them may have unequal
impedance, this can give rise to spill current through the
relay even if no fault has been detected.

Answer / max

current in relay in no-fault condition

Answer / tahsinullah

The current which flow in the Over-Current-Relay during fault is called Spill current.

Answer / shaikh

The ratio of primary to secondary current and produces the
spill current in relay.

Differentiate between magnetic field and magnetic flux?

0 Answers  

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All tape of electrical questions Answers tape of motor transformer e.o.t crane

0 Answers   Afcons, Honeywell, Manlift, SIMS,

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i had aplied Hindustan Petroleum corporation limited for the post of maintenance technician -Electrical,i want model questions,if anybody have please send it or please advice?

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how step down and step up voltage is occured in transformer

3 Answers  

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Good morning: I'm looking for some informations about the OLTC or the LTC: I wont to know what the function of the tie-resistor in during the operation of reversing/coarse operation Cordially

0 Answers   CMERI,

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How to Calculate the current drain in the battery (1.4V) for the 2mins time period?

7 Answers  

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What is Meant by Load factor in Power plant?

2 Answers   ABB, Electrical,

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Why in celling fan stator are rotatig while rotor are steday

6 Answers  

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What is the difference of grounding and earthing?

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I want to merge a cable..in between two metering Cubicals which contains CT's and PT's and Energy meter..before taking merger..what are the common things required?

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present we are having 0.8pf but I want increase it up to 0.99 so what is the formula for it and how can i calculate?

3 Answers   ABB,

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how can we calculate air compressure capacity

1 Answers  

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