Prediction of Behavior of Low‐Power Noncontact Charger (English)

In: Electrical Engineering in Japan   ;  196 ,  2  ;  14-23  ;  2016

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This paper proposes a method to predict the charging current, the output power, and the power transfer efficiency of a low‐power, noncontact charger with reasonable accuracy. The low‐power, noncontact charger model considered in this paper consists of a sinusoidal voltage source, a sending and receiving coil, a full wave rectifier circuit, and an AA nickel metal‐hydride battery. The capacitor that is connected in series in the sending coils of the low‐power noncontact charger model to improve the power factor was also examined. The self‐inductance, the mutual inductance, and the resistances of the coils were calculated using axisymmetric finite element analysis, and were substituted into the circuit equations. The circuit equations were solved by using the Runge‐Kutta method. The calculated charging current, output power, and power transfer efficiency were in good agreement with the experimental results.

Table of contents – Volume 196, Issue 2

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The tables of contents are generated automatically and are based on the data records of the individual contributions available in the index of the TIB portal. The display of the Tables of Contents may therefore be incomplete.

1
Issue Information
| 2016
3
Verification of Characteristics of a Boost‐Type Matrix Converter for a Three‐Phase Four‐Wire System
HIROKADO, KEIICHIRO / YAMAMURA, NAOKI / ISHIDA, MUNEAKI | 2016
14
Prediction of Behavior of Low‐Power Noncontact Charger
YONETSU, DAIGO / YAMAMOTO, YASUSHI | 2016
24
Current Command Compensation for PM Servo Motor Considering Voltage Saturation Caused by Both Rapid Change in the Current Command and High‐Speed Rotation
EGASHIRA, YOICHI / HARAKAWA, MASAYA / OZAKI, TAKAYUKI / TAKEI, HIROTO / HAISHI, ATSUO / NAGANO, TETSUAKI / KOYAMA, MASATO | 2016
34
Performance Evaluation of an Image‐Space Observer‐Based Visual Servoing System
OKIYAMA, KO / MURAKAMI, TOSHIYUKI | 2016
44
A Study of the Commercial Frequency Component and Doubled Component on the dc Side of Three‐Phase Rectifiers and Their Influence on Electric Railways
KOMEDA, SHOHEI / WATANABE, TOMOKI | 2016
56
A Power Control Method to Save Energy for Wayside Energy Storage Systems in dc‐Electrified Railway System
KOBAYASHI, HIROYASU / ASANO, JUNICHI / SAITO, TATSUHITO / KONDO, KEIICHIRO | 2016