How can you calculate in detail the VA burden of current transformer used for Restricted earth fault protection? Please understand that the CT required here is Class PX or X. Also please show the calculations for knee point vtg, stabilizing resistor, magnetising current.

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Which system use dc to dc high voltage gain A. Solar system B. Battery backup

1 Answers  

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i need online ups battery calculater

1 Answers  

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Min and  max capacities of VCB,ACB,ACCB,OCB,MCCB and MCB

3 Answers   apspdcl,

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If the line voltage is reduced to 75% of its rated value then by what percentage current will reduce ?? 75% 25% 50% no change and why ?

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* Signal transmission in sky wave propagation is due to ? a) Reforction of wave b) Reflection of wave c) Pierus through Inosphere d) None and Reason for this is????

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Why is negative feedback invariably preferred in closed loop system?

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How to model "IF ELSE" statement in matlab simulink?

4 Answers  

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What are all the problems occured while ac generator running in leading power factor at full load condition?

1 Answers  

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if two transformers are parallel & both have fault short ckt. impedance of 50KA in each case will it increase or decrease show example?

1 Answers  

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What is the formula for calculating transformer Efficiency?

2 Answers  

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IN CABLE TRENCH WHY FILL UP THE SAND. AND WHAT IS THE DIFFERENCE BETWEEN OVER HEAD AND UNDER GROUND LAYING THE CABLES

2 Answers   Cable Wireless,

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