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   Microwave Telemetry Systems for Measurements of Electric Drives   [View] 
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 Author(s)   Pekka Eskelinen; Olli Pyrhönen 
 Abstract   The combination of a microwave telemetry link and intelligent microelectronic transducers can provide a reliable means for contactless measurement of electric drives also in the presence of high electromagnetic noise levels. Clear advantages include the possibility to install the instrumentation into currently existing motor or generator systems with minor mechanical modifications. Care must be taken to protect the electronics against high g forces. Rotor speed and position are directly measurable from the complex microwave radiation pattern.The proposed technology is extendable to include cg. an adaptive control of dynamic drive performance and can be customized to meet specific speed ranges and parameters. As a test case, torque transient measurements with a 1.1 GHz link are demonstrated. 
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Filesize:380.6 KB
 Type   Members Only 
 Date   Last modified 2006-02-21 by System