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Lenze · Drive Solution Designer · Manual · DMS 4.2 EN · 12/2013 · TD23 279

9 Mains and environment

9.2 Ambient conditions

_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _

For motors without a gearbox the following correction values k

result:

9.2.2 Max. ambient temperature, inverter

DSD considers the drive-specific reduction factors and an ambient temperature range of 0 ... 60 °C.

• The ranges from -20 ... 0 °C have to be checked manually.

• In a temperature range of 0 ... 40 °C, operation of the components can be carried out without a

power derating.

• For inverters the derating factor is stored in the DSD device-specifically.

opr

0 ... 40 °C 1

≤ 45 °C 0.95

≤ 50 °C 0.9

≤ 55 °C 0.85

≤ 60 °C 0.8

 Note!

• The DSD does not take sub-zero temperatures into consideration.

• For an ambient temperature < 0°C you enter 0°C.

• Make sure that the ambient conditions suit the motors. As a help, use the tables with

the correction values.

 Note!

The upper and lower limit values can vary for the different inverters.

In the chapter "Inverters

" ( 346) the characteristics of the different inverter types are

listed.

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