when measure the core loss of three phase distribution transformer or three phase reactor loss, one phase shown negative watt loss. why??

0 Answers  

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Pl.brief me any electrical major fault you have rectified.

0 Answers  

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What core magnetic balance test of transformer? How to do this test in a three phase Star star (star-LV, star-HV) transformer? How to measure and where to measure?

1 Answers   Alstom,

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what is the potential of 11kv A.B.Switch

1 Answers   Power Grid,

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what is dry and wet frequency withstand voltage? why & where it is used??

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what is the max. acceptable leakage current in 33kv bus bar

0 Answers   Tanesco,

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What are test signals and their significance?

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what is the meaning of DY-11 Z-5%

1 Answers  

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In a synchronous machine if the field axis is ahead of the armature field axis then the machine is ?

1 Answers  

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what is the knee point voltage ? what is differtial rela? what is impedance and % of impedane? what is the postive phase sequance ? negative phase sequane ? and zero sequance impedance ? what is sortcircuit calculaion? why take calculation? define stabilty test ? why? what sentivity test? define merz protection ? what is the burden ? class 5p10, accracy, metering ct take knee point voltage test thet time what heppan why dont take knee point test to metering ct?

0 Answers  

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Load transfer in 11kv double busbar switchgear - operation.

0 Answers   KSEB, L&T, Siemens,

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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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