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12 Threads found on Bh Curve
Hi, Is anyone have in idea how i can measure BH curve of single inductor coil.I have this non-linear inductor with inductance of 500uH and resistance of 15Ohm. Regards, Umesh
Hello I just one simple question: when we add a BH-curve for a ferrite material in HFSS, the H in the BH-curve file should be the internal H values ?or the external H values? Thank you Sincerely
Hello, A nice measurement is the low frequency BH curve. The basic setup is relatively simple, but you need some math to convert the measured properties back towards magnetic field properties. You can find an example measurement setup at: If your Digital Oscilloscope has int
Hello, I am trying to compare BH curves on the 43 material and the 3R1 mterial. In the piscture the 43 curve is shown on the left and the 3R1 on the right. I am a bit confused of the graph units, could you notify me which one has a more square BH curve that sharply bends at the saturation points? A rough comparison of the bending (...)
Hi, I am working to model a flux gate (it is nothing but inductor with iron core, whoch shows differrent behaviour at differrent external magnatic field). What I am trying to achieve is to realise a mathmatical model which can take external magantic field as input and use BH curve to change the behaviour of flux gate. Any help would be highily a
Not really. Peak to peak swing would impact the loss. Also swing would impact the area of BH loop. Also there would be some eddy current loss, but it's contribution would be much less. Also it is true that area of BH loop represent the Hysteresis loss The area inside the B-H curve represents lost power. It takes energy to move around the B-H c
how can i use 555-timer as function generator..what suitable circuit for this title
hi, Can anybody help me to plot a dynamic hysteresis curve either PSPICE or Matlab/simulink.Some of the parameters keep on changing ( I am using jiles atherton model parameters in an iterative way, so i need a bh curve which is dynamic) It would be great if you reply soon. Thanks
Hi Friends, What is the relaationship between the BH curve and the curve between Induced EMF and Field current. Regards, Avinash.S.
I think that BH curve is usefull when your are going to work near to core saturation. Normally, that curve, or its characteristic points, are given for high power cores.
Doubts on determining the permeability from BH curve. The formula of permeability is ? = B/H ... which is NOT given by the SLOPE of BH curve, right? Hi, I attached your B/H picture slightly edited with showing the CHANGE in H and the corresponding CHANGE in B, so using my numbers in the picture the permeability o
You have to watch out for the DC current rating. When filtering DC you need to look for the series resistance which will cause heating and voltage drop. You also have to look for the reduction of the inductance (when there is some core material other than air or an insulating support) from being biased of the center of the BH curve by the DC curr