Why  we are always  only used 11 kv.  , 22 kv ,33kv      in transmission line? Why not use 25,  55 ,65 kv ?

3 Answers   Khidmah LLC, Precision Camshafts Limited,

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How many methods to take IR value of Current Transformer?

1 Answers  

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length of 4 core cable 95mm from substation LV VFD panel to Motor at field approximately 150 meter. Motor stop and power has been isolated from LV MCC ( Substation )to disconnect Motor for services. After Motor completed service propose to reinstall and reconnect Motor Cable, found earth cable sparkling during touching at metal / motor body. Inspect by clamp meter found earth cable have current flow AC 1-2amps and all earth cable at MCC LV also have current flow as same value. why it is happen?

2 Answers  

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why generator and t/f ratings given in kva & motor rating is in KW?

6 Answers  

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Why in 6 KV XLPE cable termination kit used and why not in 380 V xlpe cable same is not used

0 Answers  

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how does calculate loss correction factor in transformer

1 Answers  

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What is In (current rating) shown on the MCCB? Is this full load which can withstand by the circuit breaker

4 Answers  

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what the principle of sincroscope?how it works?when it needed?

0 Answers  

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What shall be the secondary output voltage if the primary winding of a 220/6V, 50 Hz transformer is energized by an 110V, 60 Hz supply?

0 Answers   HPCL,

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1> what r different types of fault in cables? How will u locate and test these faults? 2> why earth wire is provided on top throughout the transmission line. why not only on towers? How much area it can protect? 3> what r different types of transmission losses? How power loss can be minimized? 4> what is the % of power loss on transmission lines?

3 Answers   IOCL,

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What will happen if primary of transformer is fed with Square wave instead of sinsoidal wave ?Will it operate or Not?

3 Answers   Areva,

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which type of motor is used in automatic swing gate

0 Answers   Sail,

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