If genrator not build up voltage , How u can Manually
Excite ?
Answer Posted / kj
This is usually done by flashing the alternator. Turn of
load first.
Disconnect the AVR and connect the battery (9-12 volts)
across the field. Must be same polarity as the AVR. Run
generator and check output voltage. Voltage will usually be
higher then normal. if no voltage or unbalanced voltage the
windings or rotating diodes are faulty.
Stop generator and disconnect battery and reconnect AVR.
Try starting generator set again and check if voltage
present. If still not working replace AVR and try again.
| Is This Answer Correct ? | 1 Yes | 0 No |
Post New Answer View All Answers
im electrical engineer, could any one help me for FEWA exam questions please ?
how we can calculate 2 phase welding transformer rating or total power?
explain PV modules in solar energy generation.
I completed iti in2004 I was worked in A grade contractor can I get c licence
How to arrange a hous hold earthing system to keep minimum earth resistance( below 7ohms).
Zone of protection and tripping scheme of arc protection relay.
what is rating boiler
what is the voltage regulation for unity and zero power factor?
what is the difference between "Rotary bypass isolation switch and Normal bypass switch" pls share indepth techs?
State angle criterion.
why do we not use equivalent voltage source in negative sequence equivalent ckt.
(1)The demand for electricity , the amount of renewable generation available, the amount of fossil fuel generation available and the cost of the fossil fuel generation are shown in table below period(hrs) demand(MW) renewable (MW) fossil- fuel(MW) cost of fossil fuel(MW) 00.00 - 01.00 2000 1800 2000 30 01.00 - 02.00 2300 2500 2000 30 02.00 - 03.00 2500 2700 2100 45 03.00 - 04.00 2900 3100 2100 50 04.00 - 05.00 2700 2600 2500 45 05.00 - 06.00 2400 2000 2700 50 06.00 - 07.00 2200 1800 2000 36 07.00 - 08.00 2100 1600 2000 36 Assuming that the renewable generation incurs zero cost, determine an optimal generation schedule(specifying the amount of renewable generation and fossil fuel generation used in each period, the cost for each period and the overall cost for 8 hours.)
what is the basic need of domestic loads 1- voltage 2- current
Why temperature rise is conducted in bus bars and isolators?
Which level of the Transformer oil got dielectric strengh? And why?