MEASUREMENT SYSTEM, ROTARY MACHINE AND MEASUREMENT METHOD FOR THE SAME

A measurement system, a rotary machine and a measurement method for the same are disclosed. The measurement system includes a stator-side unit and a rotor-side unit installed on the stator side and the rotor side of the rotary machine. The stator-side unit includes a stator-side antenna, an oscillat...

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Bibliographische Detailangaben
Hauptverfasser:	YASUI JUN, IIZUKA KENJI, OYAMA NAOKI
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY MEASURING PHYSICS SELECTING SIGNALLING TESTING TESTING STATIC OR DYNAMIC BALANCE OF MACHINES ORSTRUCTURES TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILARSIGNALS WIRELESS COMMUNICATIONS NETWORKS
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Beschreibung
Zusammenfassung:	A measurement system, a rotary machine and a measurement method for the same are disclosed. The measurement system includes a stator-side unit and a rotor-side unit installed on the stator side and the rotor side of 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