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why the voltage and current in a long transmission line are called travelling wave?
I don't understand why when we connect high voltage source in DC to electronic motor , we must add capacitor and resistor in parallel ? (I know that we use capacitor because we want to absorb the current that in the first second electronic motor in opposed with current course produce. ) what are the feature of Resistor and in such situation ?
what are the factors to be considered while design the breaker either HT or LT??
What is the effect on Power factor and capacitor when your company load is more than 70 % of welding transformer
Sir, I have applied for the of Assistant.engineer of NPDCL. please send me all AP TRANSCO AND JENCO solved papers of previous exams . I requested send me the papers to my id as soon as possible (rajanikanth_peddi@yahoo.co.in) (This is very urgent) Thank You,
what is upper impedance and lower impedance of a distance relay
What is primary and backup protection?
what is mean by PIR in circuitbreaker and give me detail of that?
we can run 2phase as 3phase .what will be the differnce with respect to phase angle, power, current between the two modes
Whether the vacuum contactor requires Short circuit protection?If No,why?
what is the difference between rectifier and converter and commudator?
How can calculate the rating of a alternator for a given specific load with formula
I am a possesor of c licence from 1993. I forgot to renew during the year 1998. During that time I was working at TNEB to till date. Is there any possibility to get renewed? or to apply for a new one?
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Why 11kv to be generated in generation station