Answer / gunasekaran

transformer inrush current having more 2nd horminics it
will give the false trip to diffrential protection

Answer / sudheer868

It has frequency 2 times that of fundamental.Second
harmonics does not effect transformer as the supply is
symmetrical.If supply is symmetrical even harmonics are
automatically eliminated.

We have laid the single core Armoured cable 7 nos ( 2 each phase & 1 neutral ) to cater our electrical load . the issue is though we have Glanded the cable both the end also givan the earthing to the panel both the end we are facing a heavy sparking at the gland side. what could be the reason.

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hi friends can u tell me name of the sites where i can get animation of electrical machines......

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Why we should not parallel the with EB

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examples of resistive inductive and capacitive load

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why armature is placed in stator but not in rotor in synchronous generator ?

2 Answers   Student,

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