Find the parameters in a magnetic circuit (ignore the leakage effects)

Engineering
Thread starter Fatima Hasan
Start date Oct 24, 2019
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Circuit Effects Leakage Magnetic Magnetic circuit Parameters

In summary, a magnetic circuit is a path through which magnetic flux flows, made up of magnetic materials. Parameters in a magnetic circuit refer to the physical characteristics and properties of the materials and components used, and they are important for understanding and analyzing the circuit's behavior. To ignore leakage effects, high permeability materials can be used. Some common applications of magnetic circuits include motors, generators, transformers, magnetic sensors, and electronic devices. They are also essential in the design and operation of industrial machines and equipment.

Oct 24, 2019

Fatima Hasan

Homework Statement: A coil is uniformly wound on a wooden ring (toroid) as shown in Figure 1. It has 600 turns, and the ring’s cross section area is ##1 cm^2##. The total magnetic flux in the ring is 0.2 µWb when the coil carries a current of 800 mA.
When the coil current is raised to 2 A, (assume linear relationship between flux & magnetomotive force ), calculate the followings while ignoring the effects of leakage flux:
a) Flux density in the toroid, B
b) Reluctance of the magnetic flux path, R
c) Mean length of the flux path, lc
d) Magnetic field intensity in the core, Hc
e) Flux linkage of the coil.

Relevant Equations: Equations are attached below.

That was my attempt , but I am not sure if my answer is correct or not .
I want to confirm it .

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Oct 27, 2019

Babadag

The magnetic flux density formula is not correct since A=Ac
The reluctance and lc-you have to calculate it in previous conditions when i=800 mA-stay the same.

What is a magnetic circuit?

A magnetic circuit is a closed path or loop through which a magnetic flux flows. It is made up of a magnetic material, such as iron, and is used to guide and control the flow of magnetic fields.

What are the parameters in a magnetic circuit?

The parameters in a magnetic circuit include the magnetic flux, magnetic field strength, magnetic permeability, and reluctance. These parameters determine the behavior and characteristics of the magnetic circuit.

Why should leakage effects be ignored in magnetic circuit analysis?

Leakage effects occur when some of the magnetic flux in a circuit does not follow the intended path. They can be caused by gaps or non-magnetic materials in the circuit. In some cases, leakage effects may be significant and need to be considered in analysis. However, in many cases, they can be ignored without significantly affecting the accuracy of the results.

How do you find the parameters in a magnetic circuit?

The parameters in a magnetic circuit can be found through various methods, including using magnetic circuit equations, performing experiments, and using simulation software. These methods involve measuring the magnetic flux, field strength, and other variables to calculate the parameters.

What are the applications of magnetic circuit analysis?

Magnetic circuit analysis is used in various industries, such as electrical engineering, power generation, and transportation. It is used to design and optimize devices such as motors, generators, transformers, and magnetic sensors. It is also important in understanding the behavior of magnetic materials and their interactions with each other.