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Lan Jian Yu
Shanghai Jiao Tong University

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A Future Home Power System with Contactless Power Transmission Technologies Lan Jian Yu; Tang Hou Jun
Indonesian Journal of Electrical Engineering and Computer Science Vol 11, No 12: December 2013
Publisher : Institute of Advanced Engineering and Science

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Abstract

The traditional home power system is not suitable for the current complex household appliances for its low efficiency, which need a new power system. In this paper, a future home power system with contactless power transmission (CPT) technologies is proposed. Besides, with the consideration of using renewable power, a solar power hybrid generation system is integrated in the future power system. In addition, the distributed power system is introduced to the proposed power system instead of traditional centralized power method. The distributed power system is more stable and efficient. On the other hand, thanks to the CPT technologies, household appliances will be more safe and friendly by using CPT systems than before by eliminating cords and plugs. A simulation by PSIM DEMO version of the proposed future power system shows that the proposed concept is feasible. Furthermore, a CPT prototype has been fabricated to analyze the circuit characteristics of the CPT system.A novel concept of home power system is proposed, elaborated in detail and simulated by computer software. DOI: http://dx.doi.org/10.11591/telkomnika.v11i12.3692
Modelling of a Witricity System Using GSSA Method Lan Jian Yu; Tang Houjun; Geng Xin
Indonesian Journal of Electrical Engineering and Computer Science Vol 12, No 5: May 2014
Publisher : Institute of Advanced Engineering and Science

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Abstract

With the rapid development of mobile appliances, wireless power transfer technique has been a hot issue for researchers. A resonant coupled power system called witricity with high efficiency and the middle range transfer distance is presented by MIT. The main circuit of the witricity system acts as a resonant converter operating in high frequency. The converter is a complex time variant and non-linear systems. So, it is difficult to obtain its accurate mathematical models. In this paper, the generalized state-space averaging method is applied to model this converter. With appropriate values for the circuit parameters, numerical results are compared with which in time domain model. The results show that theoretical analysis are well agree with the simulation, and by proposed method the computational time is remarkably reduced. DOI : http://dx.doi.org/10.11591/telkomnika.v12i5.4525
Co-Authors Geng Xin Tang Hou Jun Tang Houjun