Vibration Analysis / Sound Pressure Analysis

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  1. 20 – Sound Pressure Analysis of an SPM Motor

    OverviewAs electric motors are becoming more common, motors which create less noise are in high demand. Sound can be divided into categories of electromagnetic noise, mechanical noise, and draft nois…

    24 Oct 2018

  2. 251 – Vibration Analysis of an Alternator

    OverviewElectromagnetic force in the form of an electromagnetic excitation force acting on a motor or an alternator causes vibration and noise. Vibration and noise also are produced when this electro…

    15 May 2018

  3. 234 – Vibration Characteristics Analysis of an Induction Motor

    OverviewBecause the construction of induction motors is simple, easy, durable, and highly effective, they have been widely used throughout industry in general for an extensive period of time. In rece…

    13 Mar 2018

  4. 226 – SPM Motor Vibration Characteristics Analysis

    OverviewThe electromagnetic force acting on the motor resonates with the eigenmode of the motor, causing vibration and noise. In order to accurately evaluate this phenomenon, it is necessary to ascer…

  5. 184 – Reactor Sound Pressure Analysis taking Magnetostriction into Account

    OverviewReactors are used in all sorts of systems related to power systems. For example, they fill the role of making the current pulsation between an inverter and a motor smoother. Reactor vibration…

    8 Mar 2018

  6. 138 – Vibration Analysis of an SR Motor

    OverviewThere are high hopes for SR motors to provide robustness and low cost, thanks to their relatively simple construction without permanent magnets. However, the large electromagnetic force produ…

    26 Nov 2009

  7. 114 – Vibration Analysis of an Outer Rotor Motor

    OverviewAn outer rotor motor has a magnetic rotor that rotates around a stator. The rotor radius of an outer rotor motor is large, so it can produce a larger amount of drive torque than an inner roto…

    27 Oct 2009

  8. 97 – Sound Pressure Analysis of a Transformer

    OverviewIn recent years, the demand to reduce vibration and noise is growing while the requirements for higher efficiency and smaller and lighter transformers grow with environmental conservation tre…

    10 Sep 2009

  9. 4 – Sound Pressure Analysis of a Reactor

    OverviewReactors are used in a variety of electric power systems. For instance, they fill the role of making the current pulsation between an inverter and a motor more smooth. On the other hand, the …

    30 Oct 2006

  10. 9 – Sound Pressure Analysis of a Loudspeaker

    OverviewA loudspeaker produces sound when the voice coil makes the vibrator vibrate. The general requirement of the loudspeaker is to produce uniform sound over a wide range of the frequencies.Lorent…

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