Design and analysis of 2-coil wireless power transfer (WPT) using magnetic coupling technique

Ali, Md. Asraf; Yasin, Mohd Najib Mohd; Husin, Mohd Fikri Che; Hambali, N. A. M. Ahmad

doi:10.11591/ijpeds.v10.i2.pp611-616

Cited by 11 publications

(10 citation statements)

References 5 publications

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“…Based on discrete parts, electronic architecture offers advantages such as robust construction, versatility, and lower overall cost [23]. The larger the coil, the higher the effective distance induced by more magnetic fields between the transmitter coil and the receiver coil [24]. Yet bigger coils are bulky for high power range and not suitable for low power applications.…”

Section: Transmitter and Receiver Coilsmentioning

confidence: 99%

Wireless charging scheme for medium power range application systems

Karthikeyan

Koley

Bagchi

et al. 2020

IJPEDS

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Wireless power transmission (WPT) has attracted a wide variety of subjects in various disciplines and has also become a highly active research field due to its capacity to facilitate charging systems. Wireless power transmission will be compulsory to use soon as this technology enables electrical energy to be transmitted from a power source to an electrical load over an air gap without connecting wires. Wireless power transmission has been developed in the low power (1W to 10W) and high power (100W-500W) region. While the low power region development focuses on powering medical transplants and mobile charging, the higher end of the power spectrum is being developed for the electric vehicle (EV) applications. However medium power range (10W to 100W) is relatively unexplored due to lack of proper applications. The commercial WPT scheme is mainly used for the charging of lithium-ion batteries. Sensitive medium power loads like Lithium Polymer (LiPo) batteries do not have a wireless modular charging system. This paper discusses a proposed scheme for wireless charging of medium-range loads. LiPo batteries are used as the targeted charging load. A minimalistic approach has been considered while designing the electronics for efficiency improvement and a compact, modular scheme. The proposed scheme has been developed for drone and robotics applications and the results are validated.

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Section: Transmitter and Receiver Coilsmentioning

confidence: 99%

Wireless charging scheme for medium power range application systems

Karthikeyan

Koley

Bagchi

et al. 2020

IJPEDS

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“…Figure 4 shows the secondary excitation voltage, ωMI1, I1 and ωM at different coupling coefficients, k. The I1 current decreases exponentially when k increases, whereas the I1 reciprocal curve lessens as the ZR value gains. The ωM graph is a linear increase, and its gradient depends on the coil quality factor and its physical structure, including coil geometry, size, and material [5]. On the other hand, the I1 curve can be manipulated by implementing passive control or active control techniques that have been mentioned in the introduction section.…”

Section: Mutual Inductance Of Coupling Coilsmentioning

confidence: 99%

“…The system consists of transmitter and receiver coils, and they locate near to each other. Both coils must operate at a similar resonant frequency to transfer energy efficiently [5]. Thus, a compensation circuit assists the coils to achieve resonance.…”

Section: Introductionmentioning

confidence: 99%

CLL/S Detuned compensation network for electric vehicles wireless charging application

Aziz¹,

Romlie²,

Zulkifli³

2019

IJPEDS

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<span lang="EN-GB">An electric vehicle (EV) can be charged wirelessly through an inductively coupled power transfer system where the system resonates the inductive coupling coil at the operating frequency by means of a compensation network. However, the resonant behaviour implies overcurrent in the inverter MOSFETs during uncoupled and high load resistor conditions, which affect to the inverter MOSFETs failure whenever the current exceeds their maximum current rating. Therefore, this paper presents a CLL/S detuned compensation network for EV wireless charging application to limit the inverter current during the uncoupled state and open circuit load conditions. The proposed compensation consists of a series capacitor and parallel inductor at the primary side and series capacitor at the secondary side. By using Kirchhoff Voltage Law (KVL) analysis, the primary side is detuned to inductive behaviour to ensure zero voltage switching (ZVS), and the secondary side remains at natural resonant tuning. From the simulation analysis, the slight increase of the parallel inductor value at the primary side can limit of the inverter current at uncoupled and high load resistor conditions. The proposed system also offers higher efficiency than the series-series detuned compensation and slightly lower than the double-sided LCC compensation network at different coupling factor.</span>

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“…There are some concpets of transmitter and receiver coil applied in WPT system. A circular spiral coil is designed by [10] for transmitter and receiver coil. It studied the effect of distance between transmitter and receiver coil on the performance of the WPT system.…”

Section: Introductionmentioning

confidence: 99%

Effect of DC voltage source on the voltage and current of transmitter and receiver coil of 2.5 kHz wireless power transfer

2020

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A solenoid supplied by alternating current (AC) voltage generates electromagnetic which has a field area depends on the level of supplied voltage and current flows through the solenoid. The electromagnetic filed can be captured by the other solenoid in the field area. This concept can be applied in a wireless power transfer (WPT) as presented in this paper. The WPT has transmitter coil and receiver coil which each has form of solenoid. The transmitter coil is connected a half bridge circuit to generate AC voltage on the transmitter coil which transferred to the receiver coil. In the experimental set up, the receiver coil is supplied by DC voltage source and it is changed to observe its effect on the voltage and current on the transmitter and receiver coil of the WPT system.

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Design and analysis of 2-coil wireless power transfer (WPT) using magnetic coupling technique

Cited by 11 publications

References 5 publications

Wireless charging scheme for medium power range application systems

Wireless charging scheme for medium power range application systems

CLL/S Detuned compensation network for electric vehicles wireless charging application

Effect of DC voltage source on the voltage and current of transmitter and receiver coil of 2.5 kHz wireless power transfer

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