frequency jump
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2021 ◽  
Vol 92 (6) ◽  
pp. 063202
Author(s):  
Yao-Yao Xu ◽  
Xiao-Bing Deng ◽  
Hang Zhou ◽  
Kun Qi ◽  
Xin-Ke Chen ◽  
...  

2020 ◽  
Vol 219 (2) ◽  
pp. 478-487 ◽  
Author(s):  
Worapree Maneesoonthorn ◽  
Gael M. Martin ◽  
Catherine S. Forbes

Energies ◽  
2020 ◽  
Vol 13 (19) ◽  
pp. 5175
Author(s):  
Changsheng Li ◽  
Wenjie Dong ◽  
Libo Ding ◽  
He Zhang ◽  
Hang Sun

The nonlinear parity-time-symmetric wireless power transfer (NPTS-WPT) system is more robust against transfer distance than the traditional WPT system. Current studies mainly focus on the situation in which the transmitter (Tx) and the receiver (Rx) are completely matched. Our study focuses on the transfer characteristics of the NPTS-WPT system under detuning between the Tx and the Rx. First, the mathematical model of the detuned system is established, and then the model is solved using Shengjin’s formula. Then, the exact analytical solutions for the operating frequency, the amplification factor of the operational amplifier (OP Amp) and the transfer efficiency at detuning are obtained. It was noted, for the first time, that even though the Tx and the Rx were completely matched, a frequency jump could occur when the distance between the Tx and Rx coils slowly changed. Our study found that when the degree of detuning of the system changed, the operating frequency of the system could jump. By investigating the amplification factor of the OP Amp, the reason for the frequency jump when the system was detuned was explained. Our study also revealed that detuning did not imply a decreased transfer efficiency, and the over-detuning can improve the transfer efficiency sometimes. Finally, an experimental system was constructed, and the correctness of the theory was validated using the experimental system.


2020 ◽  
Vol 22 (1) ◽  
pp. 215-225
Author(s):  
Suk Jin Park ◽  
Chae Shick Chung

2019 ◽  
Vol 31 (10) ◽  
pp. 105501 ◽  
Author(s):  
Shashi K R Singam ◽  
Milos Nesladek ◽  
Etienne Goovaerts

2018 ◽  
Vol 114 (526) ◽  
pp. 793-803 ◽  
Author(s):  
Prosper Dovonon ◽  
Sílvia Gonçalves ◽  
Ulrich Hounyo ◽  
Nour Meddahi

Author(s):  
Olivier Scaillet ◽  
Adrien Treccani ◽  
Christopher Trevisan

2018 ◽  
Vol 269 ◽  
pp. 196-202 ◽  
Author(s):  
Mingjing Qi ◽  
Hongtao Wu ◽  
Yunfei Chen ◽  
Zhiwei Liu ◽  
Zhi Tao ◽  
...  

Author(s):  
Olivier Scaillet ◽  
Adrien Treccani ◽  
Christopher Trevisan

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