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  • WD Bearings Application: Electric Motors
    Introduction. WD Standard Bearings. WD Special & Precision Bearings. Free Catalogues. Home > Electric motors. Electric motors. Large Electric Motor. Large Electric Motor is an automatic device that uses error-sensing feedback to correct the performance of a mechanism. The term correctly applies only
  • EPACT & Energy Efficient Electric Motors
    Today is truly an exciting and challenging time for specifiers, buyers, users and manufacturers of industrial electric motors. It is a time of change in the motor industry rivaled, in recent times, only by the introduction of re-rated "T" frame motors in the 1960s. But there is a difference between
  • Pressure Transducer Usage in VFD Control for Electric Motors in Machinery and Factory Automation
    VFDs, or variable frequency drives, are a common tool in electric motor control. VFDs, simply put, control electric motors by modifying the power input frequency to the electric motor. VFDs used in conjunction with electrically driven pumps can be made to control both the flow rate and the output
  • Electric Motor Testing-The New Kid on the PdM Block
    While vibration analysis and infrared thermography. have been widely used for years as part of predictive. maintenance programs, Electric Motor Testing (EMT) is. a relative newcomer to condition monitoring. In reality. though, the tests utilized by modern EMT systems have. been around for years
  • Electric Motor Handbook
    Electric Motor Handbook. Written for professionals who work in electric motors, this covers updated traction applications, the latest on solid-state motor-drive controllers, electrical and mechanical parameters, specifications, shapes, performance, protection, and more. Books24x7
  • Gate Drive Optocouplers for HEV Electric Motor Inverters (.pdf)
    Hybrid electric vehicles (HEVs) save fuel because of their electric motor drive. In an HEV, the propulsion system can be configured several ways, for example in the electric motor assisted mode or in the fully electric motor drive mode. For electric motor drive an inverter system is required
  • Introduction to Electric Motors
    Electric motors, both ac and dc types, come in many shapes and sizes. Some are standardized versions for general-purpose applications. Others are intended for specific tasks. In any case, motors should be selected to satisfy the dynamic requirements of the machines on which they are applied without
  • Electric Motor Codes and Standards
    Electric motors are often required to meet various industry standards and national codes in addition to specific application requirements. The more common of these standards and codes are explained in this Engineering Letter. Also included are some general motor dimensions and weights for reference

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