Lenze DSD Manual de usuario descargar pdf (Pagina 382)

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14 Energy efficiency

14.2 Tips for optimising the drive systems

382

Lenze · Drive Solution Designer · Manual · DMS 4.2 EN · 12/2013 · TD23

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14.2 Tips for optimising the drive systems

Generally the following applies:

• Avoid overdimensioning without extremely overloading the components.

• The longer the operating time of the drive, the greater are the saving effects.

Further possibilities for an energy-efficient dimensioning of the drive system can be found in the

following table.

Legend Possible dimensioning

 Supply / feed

• In DC-bus connection,

• with power recovery into the mains.

 Inverter with

•servo control

•low switching frequency,

• 2-switch modulation (e.g. Inverter Drives 8400),

• VFCplus eco control mode.

 Motor

• Use synchronous motor, IE2 motor or 120-Hz motor

• Utilise speed setting range, e. g. 87 Hz operation for standard motors

 Gearbox with

• a high efficiency,

• a low number of stages,

• a low input speed.

 Application with

• low friction,

•low inertia.

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Lenze DSD Manual de usuario Pagina 382

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