Self-inductance of a toroid with a rectangular cross section

AI Thread Summary
The discussion focuses on calculating the self-inductance of a toroid with a rectangular cross-section, specifically addressing the interpretation of "the windings are seen as a thin homogeneous current layer around the core." This implies that the number of turns, N, can be approximated as N=1. The original values for the number of turns and current are denoted as Norg and Iorg, respectively. In the simplified model, the approximated values are Napp=1 and Iapp=Iorg * Norg. This approximation stems from the coil's structure resembling the thread on a screw, complicating direct calculations.
Ravasash
Messages
1
Reaction score
0
I have found answers on how to calculate the self-inductance of toroid of rectangular cross section, however my question says that "The winding are seen as a thin homogeneous currentlayer around the core" (excuse the translation). What does that mean for N? Does it mean N=1?
 
Engineering news on Phys.org
Ravasash said:
Does it mean N=1?
Yes.
Say that the original values are: N = Norg , I = Iorg.
In the approximated model the values become:
Napp = 1 , Iapp = Iorg * Norg.
The reason for this approximation is that the coil is formed like the thread on a screw, which make calculations difficult.
 

Thread 'How might electronics be different if AC voltage was 72V at 45 Hz?'

Hey guys. I have a question related to electricity and alternating current. Say an alien fictional society developed electricity, and settled on a standard like 73V AC current at 46 Hz. How would appliances be designed, and what impact would the lower frequency and voltage have on transformers, wiring, TVs, computers, LEDs, motors, and heating, assuming the laws of physics and technology are the same as on Earth?
View full post »

Thread 'Why does the amperage go real high if there is a low voltage short?'

I used to be an HVAC technician. One time I had a service call in which there was no power to the thermostat. The thermostat did not have power because the fuse in the air handler was blown. The fuse in the air handler was blown because there was a low voltage short. The rubber coating on one of the thermostat wires was chewed off by a rodent. The exposed metal in the thermostat wire was touching the metal cabinet of the air handler. This was a low voltage short. This low voltage...
View full post »
Thread 'Electromagnet magnetic field issue'

Thread 'Electromagnet magnetic field issue'

Hi Guys We are a bunch a mechanical engineers trying to build a simple electromagnet. Our design is based on a very similar magnet. However, our version is about 10 times less magnetic and we are wondering why. Our coil has exactly same length, same number of layers and turns. What is possibly wrong? PIN and bracket are made of iron and are in electrical contact, exactly like the reference design. Any help will be appreciated. Thanks. edit: even same wire diameter and coil was wounded by a...
View full post »

Similar threads

Inductance of Parallel Coils on an uncut toroid magnetic core
Replies
13
Views
3K
Heat Transfer Coefficient of a circular water duct of rectangular cross section
Replies
3
Views
2K
Another Inductance winding Number question
2
Replies
50
Views
9K
ABC reference frame synchronous generator modelling in Ltspice
Replies
1
Views
3K
Wind-Induced Bending Stress on Chimney with Rectangular Cross-Section
Replies
2
Views
2K
Solenoid geometry question: circular cross-section or rectangular?
Replies
2
Views
4K
How do transformers work and how do toroidal transformers differ?
Replies
3
Views
2K
Engineering Analyzing Shear & Bending on Idealized Cross Section
Replies
4
Views
2K
How Does Coil Configuration Affect Solenoid Inductance?
Replies
8
Views
3K
Solenoid and toroid inductance puzzle
Replies
5
Views
5K

Hot Threads

Recent Insights

Back
Top