After synchronization with grid how to maintain the
power factor in lagging or in leading? if lead of lag what
is the problem?

Answer Posted / k.prakashchandra

Pf lagging means over-excitation ,leading pf is caused by
under excitation.Maintain pf at 0.95 t0 0.98 lagging by
varying the excitation .

Is This Answer Correct ?    2 Yes 0 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

Is it possible to obtain 480v or 550v in single phase output by giving the input to 230v to a single phase torodial type transformer without using a stepup transformer?

1609


define as synchronous generator

1701


why 1.7Uo for HV cable Hi pot test?IE standard why?

1876


How do we calculate the resistance per metre of single core aluminium stranded cable 19*3.25mm sheathed in pvc,at 15 deg C temperature?

1941


how we calculate the short circuit capacity of the busbar in LV & HT?

645






what is the reqirred voltage in HT motor to get full RPM on no load test?

1567


What is the necessary condition for stability.

732


what is the criteria for selecting fuse rating in 1phase, 2phase & 3phase welding sets?

1352


why swityard is necessrry requirement in any bis power distributin systems?

1889


What is the kiosk parts, about them and their functions ? If anybody have some PDFs files or details about this plz send it on tawhidfaisal@Yahoo.com

1400


What is Tachometer used to measure?

740


why ups rating in kva? and why ups are in parellel?.why isolation transformer is used in ups?

1473


harmonics filter

1518


Is it possible to use a S1 duty class motor for crane application (S4)? If not, why?

1899


Difference between earthing & grounding.?

1591