An electromagnetic acoustic transducer (EMAT) system for inspecting a part includes an EMAT sensor and a power supply for supplying an output power to the EMAT sensor. The power supply includes a DC/DC converter to boost an input DC voltage into a boosted DC voltage, a DC/AC inverter having Silicon Carbide (SiC) Mosfet power switches to invert the boosted DC voltage into an AC square voltage, and an output filter to filter the AC square voltage into an AC sinusoidal voltage. The AC sinusoidal voltage is the output power from the power supply to the EMAT sensor.


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    Title :

    Power Supply for Electromagnetic Acoustic Transducer (EMAT) Sensors


    Contributors:
    LEI QIN (author)

    Publication date :

    2018-12-27


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B06B GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL , Erzeugen oder Übertragen mechanischer Schwingungen allgemein / B64C AEROPLANES , Flugzeuge / G01N Untersuchen oder Analysieren von Stoffen durch Bestimmen ihrer chemischen oder physikalischen Eigenschaften , INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES / H02M APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS , Anlagen zur Umformung von Wechselstrom in Wechselstrom, von Wechselstrom in Gleichstrom oder umgekehrt, oder von Gleichstrom in Gleichstrom und zur Verwendung in Netzen oder ähnlichen Stromversorgungssystemen



    Power supply for electromagnetic acoustic transducer (EMAT) sensors

    LEI QIN / XIN JUNJUN | European Patent Office | 2020

    Free access


    Development of a prototype EMAT (Electromagnetic Acoustic Transducers) system for inspection of rails

    Alers, G. / McLauchlan, D. / Maiseri, H. et al. | Tema Archive | 1980


    EMAT evaluates railroad wheels

    Kristan, J. / Garcia, G. | Tema Archive | 1998


    EMAT Applied in the Aviation Industry

    Kubinyi, Michal / Smid, Radislav / Kreidl, Marcel | AIAA | 2008