Answer / k.prakashchandra

Impedance and back emf are reduced

Answer / purushotham polyreddy

when high currents produced temperature of the windings has
been increased when the temperature over the steady state
state temperature the insulation of the winding is melt
finally insulation will break so the windings are shorted

Answer / syed mudaser ahmed

In case of step down transformers secondary winding is more than primary winding , so on the basis of amount of secondary winding burned the voltage transformation gets increased from primary winding to the secondary winding.

Differnce between Analog & Digital

1 Answers  

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Based on what the rating of machines are provided??(ANswer should in single word)

19 Answers   Asian Paints, Bhel,

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I have 2 transformers in two different plants, both are without OLTC but i am facing problem of voltage fluctuation at LV side from only one transformer. i have to change its taps manually twice in a day. Another transformer delivering voltage is ok. Please guide me about the problem

1 Answers  

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how to convert the KVAR to microfarad??????????????????

2 Answers  

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is it possible to turn on the single phase star delta on delay timer using 24 v dc ?

0 Answers   L&T,

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Whata are the types of Cables?

0 Answers  

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what is the difference withbeen lighting capacitor and motor capacitor?

2 Answers  

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In aircraft,why we use 400 htz equipment.and use common earthing

1 Answers  

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what is stiffness factor

2 Answers   NTPC, Power Plant,

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How to assume answer to electrical questions

0 Answers  

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In 3phase supply Voltage will come around 370v then what will happen?(mean what will effect on electrical equipment like AC,UPS,Motors.)

1 Answers   NTPC,

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regarding safety what would u consider the most important rules to observe when inspecting electrical equipment?

0 Answers   Reliance, Southco Utility,

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