Zahid Iqbal Rana

5 Questions 11 Answers 0 Followers

Questions related from Zahid Iqbal Rana

Underground cable for high voltage ?

Currently I am using overhead transmission line for the electricity for the distance of 2 km. I want to convert that line with underground cable. Please suggest me which cable i should use and...

12 April 2016 453 4 View

How to improve Power Factor ?

During working hours when load is above 80%, power factor is 0.9 and when load goes down to 30% during off working hours , power factor goes to 0.5-0.6. I have already installed power factor...

02 April 2016 2,141 17 View

Why efficiency becomes maximum for machines when Variable Losses becomes equal to Constant Losses ?

Please explain technically.

22 February 2016 9,668 6 View

Why Power Factor decreases with the decrease in load ?

Power factor of our system is 0.95 normally when load is maximum (130 A - 150 A) and Power factor becomes 0.60 when the load goes down to 40 A. What should we do to maintain the power factor above...

22 February 2016 4,474 5 View

What should be the minimum and maximum Copper Losses for 100 KVA Transformer?

3 Phase, 11kv to 415 volts, Voltage Regulation is +-2.5 %

22 February 2016 7,937 6 View