Answer / narottam behera,

According the load of equipments and what is the possible current will flow in shorts circuits condition and lighting arrestor .and what material uses what is the conductivity...then we can choice the size of earth bus bars .

derive the e.m.f equation of transformer

2 Answers  

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Please explain the following and how these are working with PLC unit 1.I/O Module 2.I/O Device 3.Adaptor Card 4.Ribbon Adaptor 5.RS 485-FC

0 Answers   Shree Mayur Engineering,

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why transformer rating is given in kva?

2 Answers  

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We have 800KW motor operating at 6600Volt,50 Hz supply.During 1st startup it tripped on overcurrent trip.It's FLA is 88 Amps.The K factor of Thermal overloaaad was set on .94 initially.then we set at 0.97 and then it started fine.i dont understand why it tripped first?What are the protections which comes in picture during starting ?

6 Answers  

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briefly explain the main blocks found in a microprocessor based system

0 Answers  

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What is the procedure/activities to be taken to inject the current more than 2000A by using 2000A Loading Transformer?

0 Answers  

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If breaker is undefined position, first step to do.

0 Answers   KSEB, L&T, Siemens,

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what is diffrances between fuse and breaker protection? which one is best?

2 Answers   Essar,

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what is iron loss?

4 Answers   RRB,

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what is auto transformer

3 Answers   IBM,

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How do i right a ladder diagram that has 1 actuator that performs a full stroke followed by a half stroke

0 Answers   Tata Motors,

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can any one help me out by posting something related to rvnl interview for site engineer electrical.? what is the procedure? what kinda question they ask us? how long the interview goes? and any tips? and any thing you want to share?

0 Answers  

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