Answer / nur.asidik

all micom series compatible for mudbus RS485 as basic communication protocol,

Answer / fajar

ow can I communicate with an Areva MiCOM P121 relay by
RS485 port? In other word, which command can I send and
what information can I have recieved? please send some
refrences, please. thanks

Answer / shayan

hi please email me your question.if you find your way for
connection to p121 please say to me.
do you know what is your relay protocol?

how to select cable size?

4 Answers  

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what is corona ?

3 Answers  

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What will be the voltage regulation of a full load and 0.80 power factor lagging load transformer when a two winding single phase transformer has a voltage regulation of 4.5% at full load and unity power factor?

0 Answers   HPCL,

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without any theoretical calculations, can u approximately tell the current rating of a motor(above 30hp)working at 415VAC.

7 Answers  

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How to calculate the current in DG What are the type of power pls explain with related formulas

1 Answers   Corona Enterprises, Sodexo,

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what is servo motor and how to work it.

0 Answers  

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What is differance between alternator and generator?

4 Answers   IOCL,

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why trip circuit supervision is taking through breaker contact? what happen if takendirectly?

2 Answers   GE,

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what are the stresses in circuit breakers ?

0 Answers  

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Can any body tell me about Hi-pot test, and why it is necessary and its procedure of testing

6 Answers  

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What is super thermal power plant? and how it will differ from normal thermal power plant

0 Answers   AK, Suzlon,

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RESPECCTED SIR/MADAM- I AM PRERING FOR SECTION ENGINEER (ELECTRICAL) RRB CHANDIGARH PLEASE SEND ME SOME PREVIOUS YEAR QUESTION PAPER OR MODEL PAPER.MY EXAM IS ON (30- NOVEMBER 2008).I AM VERY THANKFUL TO YOU. FROM- HARENDRA SINGH YADAV

0 Answers  

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