in single phase we get 220 volt and in three phase 4420 v why this second Ques= in case three phase star conection our neutrul becom disconect what happan 3 Q=== a three phase house load and have unbalce load on different pahse diffrent current eg phase a 7A b 8A c 5A and voltage is 440 than how calculate it total load in kw pl give formula thanks

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why the active power flow of some line is increased when the active power of out is cut ?

0 Answers   TAFE,

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WHAT IS THE CONDITION FOR OPERATING DIFFERENTIAL RELAY IN POWER TRANSFORMER & WHERE IS NEUTRAL CT PLACED IN TRANSFORMER

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why transformer rated in KVA not in KW ? we know that W= v*i

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I HAVE BEEN SELECTED FOR APGENCO A.E(ELECTRICAL) 2008.HOW MUCH WEIGHTAGE FOR INTERVIEW AND WRITTEN TEST.HOW I HAVE TO PREPARE. PLEASE GIVE INFORMATION IF U KNOW.WHAT ABT G.D THIS TIME.CALL RATIO 1:2

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how is positive, negative, zero sequence is happen.. how is effect on 3 phase system

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whow we find out dc motor field aur armature resistance

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why capacitor rating measure in KVAR. ?

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how we can calculate cable size for any load & any type of cable material ?

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What do you mean by screen of power cables?

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WHY ARE THE LT GENERATORS SOLIDLY EARTHED WHILE THE HT GENERATORS ARE EARTHE THROUGH NGR OR NGT??

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when we connect the capacitor bank in series

2 Answers  

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