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  • PROPER WIRING PRACTICES FOR AC and DC DRIVES
    The subject of electrical noise (Radio Frequency Interference and Electro-Magnetic. Interference) is a hot topic. Electrical noise can cause erratic performance, and even. failures, of AC and DC Drives. It often occurs because customers do not pay attention. to proper wiring techniques when
  • AN1162 - Sensorless Field Oriented Control (FOC) of an AC Induction Motor (ACIM)
    AN1162 Sensorless Field Oriented Control (FOC) of an AC Induction Motor (ACIM) operate at a speed that is roughly proportional to the Author: Mihai Cheles input frequency. As you decrease the frequency of the Microchip Technology Inc. drive voltage, you also need to decrease the amplitude Co-Author
  • VFD Motor Testing (.pdf)
    , or seen the advertisements pushing us to demand the new inverter duty wiring to prevent these drive related motor failures. What should you know and whom should you ask to get your answers? Before I attempt to answer that question lets cover some basics so we feel more comfortable asking the right
  • Routine Maintenance on AC Inverters (.pdf)
    Types . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10. AC Single Phase. AC Polyphase. Direct Current (DC). Gearmotors. Brakemotors. Motors For Precise Motor Control. IV. Mechanical Considerations . . . . . . . . . . . . . . . . . . . . . . .16. Enclosures and Environment. NEMA Frame
  • Medical Device Link . Advances in Motor Technology for the Medical Industry
    to address the many issues surrounding motor standards for the medical industry, it may be helpful to briefly discuss CE marking for products being exported to the European Union (EU). Except in certain instances (i.e., motors operating on supply voltages between 50 and 1000 V ac and between 75
  • Motor Design, Quality and Performance are Critical to Reliable Operation of Fans & Blowers (.pdf)
    on user. motor which is available in both. needs. They include: Hall. AC and brushless DC versions. Effect sensors, a choice of different alarms, different. provides the best performance and most reliable operation. windings, dual voltage, constant speed back up if a speed. for most applications
  • Wiring Diagrams and Signals (.pdf)
    or to. initiate an orderly system shutdown. This. device is suited for telecommunications,. computer, peripheral and copier applications,. or others as required. Catalog Accessories Wiring Diagrams and Signals. Hall Effect Monitor for AC Models. Hall Effect Monitor. Vin. Selected ebm blowers
  • Explanation of CE Approval, Suggestions for Installation and Wiring of Controls to Meet CE Requirements
    from all AC line or motor leads. Logic. leads can pick up unwanted noise from these leads and cause undesired results. 3) Shielded cables should be used on all AC line and Motor wiring. Shields must be. earth grounded at both ends to the common ground point of the system. 4) All system components