Measurement system, rotary machine and measurement method for the same

A measurement system includes a stator-side unit and a rotor-side unit installed on the rotary machine. The stator-side unit includes a stator-side antenna, an oscillation unit that oscillates a microwave signal and outputs the oscillated microwave signal to the stator-side antenna, and a reception...

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Bibliographische Detailangaben
Hauptverfasser:	Yasui, Jun, Iizuka, Kenji, Oyama, Naoki
Format:	Patent
Sprache:	eng
Schlagworte:	ANTENNAS, i.e. RADIO AERIALS BASIC ELECTRIC ELEMENTS CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY GENERATION RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE SYSTEMS FOR STORING ELECTRIC ENERGY WAVEGUIDES
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Beschreibung
Zusammenfassung:	A measurement system includes a stator-side unit and a rotor-side unit installed on the rotary machine. The stator-side unit includes a stator-side antenna, an oscillation unit that oscillates a microwave signal and outputs the oscillated microwave signal to the stator-side antenna, and a reception unit that demodulates the microwave signal and outputs a desired signal. The rotor-side unit includes a sensor, a rotor-side antenna that receives a microwave transmitted by the stator-side antenna and outputs the microwave signal, a power conversion unit that converts the received microwave signal into predetermined DC power and outputs the DC power, and a modulation unit that modulates a rotor output signal or a multiplication rotor output signal obtained by frequency multiplication of the rotor output signal, according to the output signal of the sensor, using the DC power output of the power conversion unit, and outputs the modulated rotor signal to the rotor-side antenna.