Answer / sachin

there are two types of transformer namely
1 instrument transformer
a-CT
B-PT

2-POWER TRANSFORMER
a-step up transformer
b-step down transformer

How to conduct the Magnetic Balance test on Power Transformer?

0 Answers  

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hopkinson's test

5 Answers   Bhel, NTPC,

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How to decrease or increase the range of voltmeter? can an ammeter be used to measure voltage? can a wattmeter used as voltmeter and ammeter?

3 Answers  

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meter ratio is 100/5 CT ratio is 125/5, when the ratios changes i.e., CT ratio is 125/5 meter ratio is 100/5 what is the MF in boths conditions?

1 Answers  

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how to wiring it with contactor and timer together

0 Answers  

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what is impedence in transformer

2 Answers  

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What is the scale analysis for condensor of HVAC system

3 Answers  

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why we use four type of phase angle difference between pimary & secondry winding of a transformer & where we use them?

0 Answers   Grasim,

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if a 3phase 100kva distribution transformer , 400 v,50 hz, 4-wire system is loaded at 160 k.w mostly 1-phase Lighting & Airconditioning split a.c load what will be the net effect on the power system in terms of voltage, powerfactor, current , efficiency of xformer

0 Answers  

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Whats difference between a single phase & a three phase motor?

4 Answers  

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in case of transformer the power factor is depend on input or the output

1 Answers  

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During he starting up of the motor, the upstream's MCCB (350A) always trips due to the UVT relay activated. Can Star-delta starter use for a 20kW Motor (For a powder mixer machine) cause voltage-dip in the supply line voltage? If so, what are the recommended solution to eliminate/reduce the transient voltage dip in the line voltage?

4 Answers  

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