what composit error,ratio error,phase error in CT and PT??
Answer Posted / gunasekaran
composite error is combine of the ratio and phase angle
error ratio error deviation from the rated sec current phase
angle error is phase displaceme from primary current it is
+-60sec
suppose 5p20 ct composite error is +-5%
ratio error is +-5% phase angle error +- 60sec
| Is This Answer Correct ? | 9 Yes | 19 No |
Post New Answer View All Answers
How to test lightning Arrester?
HI....HOW CAN BE MESARED THE VALVE OF NEUTRAL GROUND RESISTOR WHIC IS LOCATED AT SWICHGEAR ON GENERATOR SIDE....
what are the pecularity of shaver sockets ?
What are the various types of BUSBAR Schemes? explain each
what shoud be strength and weakness to impress interviewer????????
What is resolution of a measurement?
Mention what are the types of semi-conductors?
what is the use of commutator in dc motor if we supply ac ? commutator is used to convert ac to dc.and it is used to arrange the flux in unidirectional in case of dc supply. if we give ac as supply to dc motor what is the use of commutator?
Brushes are placed at magnetically neutral axis,when brushes reach that point,the armature conductor gets shorted,but it can be seen that the dc supply is also shorted,wont that get damage? help me plz
When MICC cables used ?
how to test the electrical panel.ht lt mcc pcc.
who many types of fire explane with exmple
What is lifting power for 1 wb/m2 and 1 A magnet?
how many types are their in switchyard or substation(like D,I TYPE), what is differant between them
What is the general power consumption rating of CPU CRT type and Flat type, Monitor,Printer, projector, Scanner?