Lenze DSD Manual do Utilizador descarregar pdf (Página 457)

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Lenze · Drive Solution Designer · Manual · DMS 4.2 EN · 12/2013 · TD23 457

18 Drive dimensioning messages

18.5 Lenze motor

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18.5.7 Max. permissible motor current of yyy is exceeded

18.5.8 Overload of the motor >xxx %

18.5.9 Max. permissible ambient temperature of the blower is exceeded

Note!

The max. output current of the inverter is xxx A. Thus the max. permissible motor current of yyy A is ex-

ceeded.

Cause Effects Possible remedies

The max. output current of the in-

verter is higher than the max. per-

missible motor current.

• Compared to the motor, the in-

verter is overdimensioned.

• The motor winding can be de-

stroyed by the too high output

current.

• Synchronous motors can be de-

magnetized.

Limit the output current of the in-

verter to the value permissible for

the motor.

Note!

The overload of the motor is higher than xxx %. The thermal utilisation of the motor and the currents cal-

culated for inverters and other components are not correct anymore. Up to an overload of yyy % the DSD

can execute calculations with a sufficient accuracy.

Cause Effects Possible remedies

In case of high overloads, the torque-

generating current share increases

more than the torque due to satura-

tions in the motor.

The currents calculated for the in-

verter and other components are not

correct anymore.

Consider corresponding reserves

when selecting the inverter.

Warning!

The ambient temperature of the motor or geared motor is XXX °C. Thus, the max. permissible ambient

temperature of the blower of 40 °C is exceeded.

Cause Effects Possible remedies

The permissible ambient tempera-

ture of the blower is exceeded.

The blower is overheated and may

fail. This may cause the motor to

overheat and fail as well.

Select motor without blower.

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