wht factor are considered to design ACB( air Circuit reaker) 415V

3 Answers  

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Why power factor should not be in leading (capacitive) mode of any load.

3 Answers   GE,

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defination of controlled shunt reactor

0 Answers  

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difference between load bus and dead bus?

4 Answers  

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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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How do you select the pickup value of the relay?

0 Answers  

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How Can we calculate current carrieng capacity of Copper Bus-Bars and Alluminium Bus-bar

2 Answers  

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What is battery Amphere-hour? How the battery back up time period is calculated?

2 Answers  

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Current Transformer's star point must face the protected object for the relay operation?

2 Answers   Siemens,

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why we ground the scondary of current transformer.

4 Answers  

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Why compensation is necessary in feedback control system?

0 Answers  

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For 7.5kw star delta starter how to calculate 1. Mccb rating 2. Contactor rating 3. Over load relay rating

1 Answers   L&T, MAHINDRA,

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