on which power factor synchronous motor run

Answer Posted / harshal nemade

synchronous moter run at all power factor as unity leading and lagging by chnging the excitation as
under excitation it is operates as lagging
over excitation it is operates as leading
at normal excitation it is operates as lag but reached to unity
at critical excitation it is operates as unity pf

Is This Answer Correct ?    0 Yes 0 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

How I can Compare 120v/60Hz versus 220v/50Hz ? Please tell me both advantage and disadvantage ......

1548


what is the meaning of WYE and DELTA in Electric meter?

3328


can we find the inductance of a induction motor?

1540


Why use the vcb at high transmission system ? Why can’t use acb?

785


Draw the vector diagramme for Asynchronous Induction Generator at noload,half load and fullload.

1468






How to calculate cable size in HT AND LT

1498


how will reduce the voltage. if 12volt/250ma transformer toreduce 6 volt

1517


Explain the different methods used in the choice of rotor slots for reduction of harmonic torques in an induction motor.

1545


WHY THE RATINGS OF THE TRANSFORMER IS 33KV WHY NOT OTHER???

1916


Is it possible to make a 5P10/ CT Ratio 50/1A Burden 5VA

1218


how to compare with Relay settings for HT< panels, RMU panel, and PSS CSS transformer?? 1) Load amps, 2)Tripping time, 3) CT ratio, 4)Cable size 5) Transformer KVA rating 6) transformer full load amps

716


How to select transmission line type (i.e. 11kv or 33kv) for new established industries

1584


what is the calculation involved to design the heater to heat 10KL of water in temperature control unit?

1467


What is the IS standard for MCCB to be use (As per capacity of AMP)& for ACB also.

1570


why we use ac supply as 415 volts instead of 415 v why we cant apply 230 v for dc

1997