UFC760BE43 3BHE004573R0043 Control Card Full Series Supply Parameter Consultation

Description

UFC760BE43 3BHE004573R0043 Control Card Full Series Supply Parameter Consultation
The problem is changed as follows: the current passed by the long direct current carrying conductor is I=15A, the aluminum ring is coaxial with the conductor, the center radius of the aluminum ring is 20mm, and the diameter of the aluminum ring section is 2.5mm. Let’s find the average value of H and B in the ring and Φ Value. UFC760BE43 If the aluminum ring is changed into an iron ring, set its relative permeability μ R=2200, ask the average sum of H and B Φ Does the value change?
Note that the current flowing through the long current carrying wire is DC.

OK, let’s start now. First of all, we need to know how to calculate the magnetic induction B, and the formula is:
Here, UFC760BE43 is the magnetic permeability in vacuum, I is the current flowing through the current line, and R is the radius of the center line of the aluminum ring. Substitute the data into the above equation to get:
What is the magnetic field strength H equal to? H is:
Magnetic flux through the section of aluminum ring Φ What is equal to? The calculation formula is: Φ= BS
The S in UFC760BE43 is the sectional area of aluminum ring. If the radius of the aluminum ring section is r, the sectional area S of the aluminum ring is:
Substituting into the magnetic flux formula, we get:
Now we replace the aluminum ring with iron ring, so the magnetic induction intensity is:
We can see that the magnetic induction intensity has increased a lot.
Let’s calculate the magnetic field strength of the iron ring as follows:
Did you find that the magnetic field strength is the same whether it is aluminum ring or iron ring!!!
What about magnetic flux? Let’s see:
Comparing the iron ring with the aluminum ring, we find that the magnetic induction intensity has increased by times of the picture, the magnetic field intensity has not changed, and the magnetic flux has certainly increased by times of the picture

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