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This paper presents the dimensioning as well as the comparison of common compensation topologies for inductive power transfer (IPT) systems. A compensation is needed on the primary as well as the secondary side. It consists of a capacitor (parallel or series) in the simplest case or a combination of reactive components (like LCC). This work is the first compilation of the dimensioning, considering...
This paper presents an improved communication architecture with increased data rate for inductive power transfer (IPT) systems. The main challenge is to enable robust and reliable communication within the noisy environment of the power transfer. Therefore, the communication channel, consisting of the coupled pair of coils of the inductive power transfer system is analysed. From this, a frequency band...
This paper presents a novel receiver using direct complex subsampling. In this approach no frequency conversion is used, but therefore bandpass sampling in combination with nonuniform sampling. A special sampling pattern for the analog to digital conversion is used. The resulting sampling frequency is below the carrier frequency, like in standard bandpass sampling receivers. Therefore the requirements...
This paper presents the hardware design of a novel and reliable data link for charging electric vehicles by an inductive power transfer (IPT) system. The simultaneous transmission uses the contactless near field of one common pair of coils. The data link can amongst others exchange the status information between the vehicle and the charging station. Due to its structure, most existing systems can...
In recent years inductive power transfer (IPT) has become more and more important. From contactless charging of mobile phones or electric vehicles it will be increasingly seen in consumer electronics. In IPT systems power is contactlessly transferred over an air-gap by strongly coupled coils.
This paper presents a novel data link for electric vehicles charged through inductive power transfer (IPT) systems. The data link uses the magnetically coupled coils as transmission medium. The data link is intended to transfer the instantaneous current and voltage values in the power receiving circuitry on the electric vehicle (EV) platform. One key goal is to enable robust and reliable communication...
This paper presents a novel approach for simultaneous inductive power transfer (IPT) and communication in one system. The communication part is using the coupled pair of coils of the IPT system as transmitting medium. The proposed architecture is applicable to new and existing IPT systems with operating frequencies above 100 kHz. The challenge is to enable robust and reliable communication in the...
This paper presents a contactless near field energy and data transfer system, which uses one common pair of coils for both transmission purposes. Though a contactless connector for harsh environments proves an exemplary application, the concept can be adapted to several other applications. The challenge is to transmit the data simultaneously to a large energy signal. The system concept, simulation,...
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