磁気浮上型水力発電機に適用する低消費電力渦電流式センサの開発

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  • Development of the Low Power Consumption Eddy Current Displacement Sensor for Maglev Hydraulic Generator
  • ジキ フジョウガタ スイリョク ハツデンキ ニ テキヨウ スル テイショウヒ デンリョク ウズデンリュウシキ センサ ノ カイハツ

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<p>The Maglev hydraulic power generator was developed. However, the power generation test results showed the power consumption of the eddy current sensor and the PWM amplifier were too high to maintain magnetically levitation control by using generated power. Therefore, this paper focused on the development of the low power consumption eddy current displacement sensor. The sensor circuit consists of the oscillation circuit, the resonance circuit, and the detector circuit. The circuit simulator “LT spice” was used to determine the parameter of each electrical component. And the sensor circuit was actually fabricated. The static characteristics of the fabricated sensor were tested. The results showed good linearity and low power consumption.</p>

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