All Questions
13 questions
3
votes
0
answers
188
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Resonant Coupling for Optimal Power Transfer
I am trying to read the following paper:
B. L. Cannon, J. F. Hoburg, D. D. Stancil and S. C. Goldstein, "Magnetic Resonant Coupling As a Potential Means for Wireless Power Transfer to Multiple ...
- 31
0
votes
1
answer
102
views
Reducing temperature of the Rx coil in a wireless power transfer circuit
I have currently designed a wireless power transfer circuit which is based on the ZVS principle and Royer circuit.
The issue I am currently facing is that the receiver coil is warming up a fair bit, ...
- 199
0
votes
1
answer
157
views
Parallel Resonance for Wireless Power Transfer
I have two 50 uH coils. I'm using a 68 nF capacitor for each the primary and secondary coils. This puts the resonance frequency to about 86.313 KHz. The primary coil is in series with the 68 nF ...
- 399
1
vote
1
answer
79
views
Resonance Frequency Drift
I'm working on a wireless power transfer project. The coils that I'm using are made out of Litz wire with a value of 50 uH. For the capacitors, I'm using 68 nF capacitors. This puts the resonance ...
- 399
1
vote
2
answers
598
views
Full bridge rectifier and resonance for wireless power transfer in the receiver circuit
I was wondering which is the most suitable method to set up the receiver circuit for wireless power transfer circuit. Currently I have a circuit with the tesonance tank, i.e., the receiver coil and ...
- 199
2
votes
1
answer
289
views
Analytically understanding wireless power transfer
https://youtu.be/M8aZoM9p43k
This YouTube link shows a experiment I quickly made. Two resonant lc circuits that use magnetic fields to wirelessly light up a led. I manually found the best frequency ...
- 155
0
votes
0
answers
30
views
Modeling phase delay in high frequency resonantly coupled inductors
I am interested in simulating resonant wireless power transfer circuits similar to the ones developed by MIT and others. So far, I have been able to successfully create a basic simulation model of a ...
- 222
3
votes
1
answer
747
views
why do resonant inductive coupling circuit operate at high frequencies?
Just as the title says. Whenever I read a research paper on wireless power transfer via resonant inductive coupling the authors just mention frequencies that range in the kHz and Mhz range, but none ...
- 351
1
vote
3
answers
1k
views
Why is wireless power transfer done between two coils at their self-resonant frequency?
I was reading this paper about wireless power transfer via strongly coupled magnetic resonance:
http://www.ijirem.org/DOC/1_Wireless%20Power%20Transfer%20via%20Strongly%20Coupled%20Magnetic7a7f01ee-...
- 351
4
votes
3
answers
760
views
Choice of capacitor for high frequency application
I want to recreate this wireless power transfer system that utilizes two resonating LC circuits and induction for power transfer. I want to know the best type of capacitor to use in the LC resonator ...
- 443
0
votes
1
answer
330
views
single layer coil inductive coupling
Lately, I have been messing around with inductors and wireless power transfer. I have studied couple online tutorials on RLC circuits. I thought I have basic knowledge and good ground to actually ...
- 25
5
votes
5
answers
2k
views
Measure temperature on a moving engine valve: transfer voltage and reading wireless?
I am an automotive engineer with very very little or almost zero electrical/electronics experience. I am working on logging real time temperature values on an engine exhaust valve and mounting a ...
- 209
1
vote
1
answer
2k
views
How to increase power of a wireless power transmitter circuit?
I designed this circuit for a frequency of 2MHz, but I get an output of 7mW. I need to increase the output power up to at least 10 to 20W. Help me to redesign the circuit. Consider the transformer T1 (...
- 21