Answer / manoj nair

supply volltage can be change by using a transformer as per
requirement (step up or step down).
if we have to cange from ac to dc we have to use rectifer
circuit.
for dc to ac converter circuit.

Answer / chikunhazarika

by using transformer (step-up or step-down)or by changing
no. of turns in the generator side.

Answer / gunasekaran

we can change the number of turns in the gen or using
transformer

Answer / jishnu mukherjee

in case of dc machines. we can adopt the method of chopper control.

Between rotating armature type and rotating field type arrangements which one is adopted for large rated alternators and DC generators.Why there is difference in the choice?

1 Answers  

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In PT the coil is wound on?

3 Answers   DVC,

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will the introduction of capacitor bank parallel with the induction load reduce power consumption

4 Answers   Nokia, WAPDA Water and Power Development Authority,

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"TRANSFORMER MODELING AND ANALYSIS" MEANS WHAT AND WHICH TOPICS U READ IN THIS

0 Answers  

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can we say current flows inside an atom as electron moves inside an atom?

7 Answers   Vedanta,

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What is negative phase sequence?

7 Answers   Hindalco, Universal Associate,

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how to make parrallal ups

1 Answers  

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how work the lighting arrestor?

2 Answers  

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What are the minimum acceptable insulation resistances of insulation of underground cable suitable for 0.440kV,11kV, 33kV and 66kV?

2 Answers  

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What is over fluxing in transformer?

1 Answers  

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In the Variable Voltage Variable Frequency Drive, how the Voltage and Frequency varied ? Is it varied in the Inverter part of the Drive ? Please give us supporting document if any.

0 Answers  

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In any plant or substation main incommer voltage RY - 415 V,YB - 400 V, BR - 387 V(in commer feed from transformer 11 Kv /0.415 KV) why found voltage differance in each phase? plant have not self power plant it is depend on outsource grid

2 Answers  

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