What are the two basic types of transformers?

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how we can explain arc heatng?

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directional relay is typically used to respond in fault condition who it can be used just as reverse power protection which purely senes direction reversal to operate a circuit breaker?

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I AM FROM ELECTRICAL ENGINEERING ? I AM ASPIRING FOR "BHEL".HOW I HAVE TO PREPARE .ON WHICH TOPICS TO BE CONCENTRATE MORE.PLEASE GIVE FULL DETAILS OF WRITTEN EXAM.

0 Answers   Bhel,

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if in 3-phase system voltage=440V,frequency=60Hz, current=400A. then if it is single phase then current=? and if it is single phasing then current=?

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Why 60Hz motor taking more current on load in 50Hz power supply?

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what is synchronizing panel & its working.

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Why frequency fix in 50 Hz?

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what is the difference between transformer,converter and transducer

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what is carona and how is occur?

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what is Insulation monitoring device. where it is used? (in switchgear room or control panel or in field equipment)

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I am doing apprenticeship training at HT switch yard in NLC. How can i get electrical c license. ??? What r the rules for getting it as an apprentice? ??

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