if field current decreases how can the speed increase in the unloaded dc series motor

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i need online ups battery calculater

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what is transient enclosure vltage , very fast transients, very fast transient over voltages

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limitation of conductor height on ground when we consider EMC

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in house wiring when two wires are same colour coding and there is no any connection one end how to find which wire is earthing wire

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IN 3 PHASE INDUCTION MOTORS SOMETIMES COPPER BARS ARE PLACED DEEP IN ROTOR WHY..?

3 Answers   ONGC,

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What is the distance between body earthing and neutral earthing.?

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why the frequency in india is 50 50HZ why we not select the o ther frequncy range?

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hello, I need to know exactly what happen in the motor while it is connected to the (star/delta) starter, mechanical and electrical. Thaks for answering

3 Answers  

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How does frequency affect KVA rating of a transformer? If a 500 kva, 500 to 250 v, 60 hz t/f normally used in Canada is to be operated in Europe on 50 hz frequency then how will its KVA rating change? a-increase b-decrease c-remains same

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what do you mean by class PS CT and what are technical details needed for calculating it?

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how to calculate capacitor rating for an induction transformer ex.for 12 mva furnace calculate capacitor rating

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