Explain what are inter-poles and why they are required in a dc machine.

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what material is the electrical housing wire made of? is there any difference for the telephone lines?

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What is the comparision (advantages / disadvantages) of 110V, 60 Hz system to 230 V, 50 Hz system.

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I have a small system with two motors that are running on 380 vac, 60 hz. These motors are expensive and I usally get them from Brazil. I am adding another motor to the system, but I want to purchase a 480 vac, 60 hz motor to use. It will be on a VFD that is rated fro 380 thru 480. Is this posible and will I have to use a larger motor and derate it?

0 Answers   US Electrofused Minerals,

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Why i receive the GCU fault in my DG Sychronization panel . what all the factors considered for this fault .

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What is corona? and what is the purpose of corona belt in substation ? why they connect these end of the buses ?

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Why Nutral CT rating for Earth Fault Protection of Transformer neutral shall be 20% of Full load Current of Transformer

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I have a current transformer with 1 main reading meter with transformer outside the building and a control panel having 5 CT reading meters with black round coils inside the building. I want to know, A) when current pass through the Transformers, will the current be reduced or be the same and after that B) when current pass through the CT meters with black round coils, will the current be reduced or be the same. C) in the above process will the reading of the main meter be same or different, from the total reading of all the 5 CT meters.

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how water and air molecules are conduct the heat?

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How will polarity test of Dy5 Transformer ?

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what is different between DIGITAL and ANALOG?

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TYPES OF TEMPERING OF ENERGY METER

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