why field rhoestat is kept in minimum position while armature rheostat at maximun position?

3 Answers  

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why transformer measures in kva

4 Answers  

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how to find 5 kilo meter long under ground 33 kv cable fault location if IR VALUE shows 0.05 M ohm @5000 volt.and cable fault locator shows some time fault distance 3 kilo meter ,3.7 kilo meter and some time 1 kilo meter? now how to find the fault location that where is leakage.

1 Answers   FGI, OPS,

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What is CBCT ,why and whereit is used?

2 Answers  

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For Electrical / and Electronic Systems, when we say efficiency is 80%, then what happens to other 20% from the Power consumption.? I.e. what happens to this?

1 Answers  

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what is power transformer?

1 Answers  

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How check proper electrical earthing of machine.

5 Answers   DRJ ARDE,

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how to calculate units consumption for a 12 hp motor /hr.

0 Answers  

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What is mathematical model of a control system?

0 Answers  

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In both 600/1000 V cable and 450/750 V cable, we can supply 415 V. However for distribution, all utilities are using only 600/100 V instead of 450/750 V. What is the reason?

0 Answers  

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Why PT burnts?

2 Answers  

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improve power factor by : 1)shunt reactor 2)shunt capacitor 3)series capacitor 4)series reactor

2 Answers  

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