In 3-phase 230/63 kV power system model (File attached) i want to change these parameters for CT current reconstruction.
(1) Remnant flux (-85%) - ( 85%)
(2) Fault inception angle (Different values between 0-360 )
Exactly.so it means 90 is value of Remanent flux density in your attach figure?
what about FIA( Fault inception angle) ?
Hi Muhammed.
you can change the FIA by changing the application time of the fault while looking for the voltage waveform
I wonder if the value of 90 [T] of the remanant flux density is realistic !
Ammar A. Hajjar......I changed FIA by changing Fault time as shown in attach figure.is it right?
@O. Boudebbouz.......it means value of 90 [T] of the remnant flux density is wrong ??...We cannot change in PSCAD?...If i want to vary the remanent flux from -80% to +80%
Try to vary the remanent flux density with smaller depreciations if it is possible. For example -30% to 30% or even less.
Muhammad Ali
Yes, change the fault time and observe the voltage waveforms until you have the required FIA
Also, you can change the step time and all initials values until you get what you want.
@sandeep biswal......If attach figure is B-H curve then how can we vary the remanent flux from -80% to 80 % of the flux at the saturation point?
I would like to create a small guide containing the meanings of the names .. Thanks to everyone who cooperates with me in achieving it.
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