Answer Posted / mahesh

DC transformer is not possible because a Xmer work at
principle of electromagnetic induction i.e. to say they work
at rate of change of flux & mutual induction & this is not
possible in DC so Xmer work only in AC

how to Select its CORE in electrical cables based on its applications? or Application of various types of electrical cable based on it CORE?

3309

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Define branch?

1153

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how diside ct mf exmp.200/5 ct

2247

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what is the IPC ? & what the uses ?

1551

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hi, i have 3x200KVA and 2 x 80KVA UPS with battery bank of 150AH 68Nos. and 100AH 204Nos., i need to install AC either ductable or PAC type, so can you help me to calculate heat load and capacity of the AC to install.

2782

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What is the armature mmf in a D.C machine?

1286

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Can the output voltage of a rectifier be greater than the input AC voltage without the use of any voltage multiplier in the circuit??please provide the explanation too..

2150

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How harmonic block test are conducted on relays ( Siemens,Areva ect )power transformer using omicron kit?

2339

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What is icu and ics in Acb and how many time icu or ics passes from breaker?

1605

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why we permissive overreach in distance protection.where it is applicable to use in long r short lines

2803

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why are installed water leakage detection system data centers & server rooms

2465

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Is it possible to implement Restricted Earth Fault protection for a transformer without neutral CT?

4515

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Explain the operation of grid connected central solar inverter ?

1581

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1.what is the difference between transformer differential and busbar differential.2)why we are using 2 slope for trafo diif and 1 slope for busbar diff.3)what is the purpose of metrosil and stabilizing resistor in high impedance relay circuit.4)how metrosil reduce the peak volage.5)what is the funtion of stabilizing resistor

4928

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what work will do diffrential realay DG set

2965

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