Quick wins for Motors and Drives

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Motor driven equipment with potential for control include: -Escalator, lift or conveyor drives – especially motor-generator DC drive sets; -Process line drives (when no product is moving); -Process air compressors – especially in multi-compressor systems; -Ventilation or exhaust fans serving intermittent processes or loads; -Redundant equipment intended to ensure immediate backup or failsafe operation.
  • All machinery should have an operating schedule attached to it so operators know if and when it should be turned off
  • Use an hours run meter to measure how long equipment has been running and compare with the required hours of operation
  • Reduce the operating time of motors whenever possible by improving control of motor driven loads and switch them off either manually or automatically when not required
  • Have a schedule and procedure for motor maintenance and ensure staff promptly report faulty or noisy motors
  • Have a plan for repairing failed motors, which compares long-term repair vs. replacement costs
  • Match the right size motors to the right loads ensuring that they are typically on 75% loading. The ‘loading’ of a motor is the amount of work it does compared with its capability
  • Always specify high efficiency motors and new equipment should be sourced from SEAI’s Accelerated Capital Allowance list
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