Why convert existing machines from DC to AC motors

  When refurbishing machines, converting from DC to AC motors and drives has many advantages. They include the use of AC variable speed drives to improve reliability, reduce running costs and provide energy savings. Over 20 years ago DC motors and drives dominated many markets and industries. The reason was that only DC motors could […]

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VSD’s loop control improves system performance

Byworth Boilers has improved boiler control and overall system efficiency by using the VSD’s loop control built into ABB’s machinery drive. The controller quickly responds to changes in demand for steam by accurately adjusting the water feed pump within its boilers. PID (proportional–integral–derivative control) is a control loop feedback mechanism widely used in industrial control […]

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