What happen if 1200KW/1500KVA alternator runs at no load
and high R.P.M.for one minute?

Answer Posted / subodhkhivsara

If prime mover runs very high speed (without any control)
within a fraction of second rotor damaged and after that
Excitation system damaged.It will goes very dangerous
mode.So Never run Alternator without control.

Is This Answer Correct ?    5 Yes 1 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

What are the basic properties of signal flow graph?

677


give me applications of sequence bridges . (used in 3 phase un balanced systems)

1446


HOW TO TEST A LIGHTENING ARREST ER ?

1691


What is the angle of inclination for the oil connection from transformer conservator to Bucholz relay and why?

1687


During underground cabling in landscape area what did we cover the cable with to prevent the electric shock & protect the cable?

1395






how brushed dc motor operating ?

1405


I am B.E.electrical engineer having 7 years of experience in Transformer testing upto 315 MVA.I want to khow how I can get the 'Electrical Valuer' License.

1688


For overhead protection we use which transformer?

1923


Merits & Demarits of Oil circuit & Air circuit breakers ?

1597


Thumb rule of cable size(rm>30 rm)X multiplying factor=ampere

1173


how does a liquid starter reduce the starting currents?

1647


What is the difference between PLC and Embeded system

955


A 11KV, 1200 A breaker combination fixed in a cubicle for HT motor.Is normally for 11 KV motor fuse is using? if Yes, What range fuse is required?

1505


which type of stability limit is higher,steady state or transient? why?

1436


what are the accessories need to be added while doing estimation for the following: 1.MCCB 2.MCB 3.ACB

1564