Lenze DSD Instrukcja Użytkownika Pobierz pdf (Strona 347)

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Lenze · Drive Solution Designer · Manual · DMS 4.2 EN · 12/2013 · TD23 347

11 Drive Dimensioning

11.6 Inverters

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[11-17] Diagram concerning the output current of the inverter

[11-18] Motor torque characteristics

In the diagram the characteristic curve is transformed to the time period. Additionally the rated

torque that is reduced due to the temperature and the site altitude is presented. The different char-

acteristics of the motor torque and the torque at the motor shaft render the proportion of the motor

moment of inertia clearly visible.

 Required motor current

 Reduced output current (temperature, amount, cycle rate, voltage)

 Reduced maximum current (cycle rate, voltage)

out,M

Torque at the motor shaft

Motor torque

max

Limit characteristic

rated,red

Rated torque

1 2 ... 342 343 344 345 346 347 348 349 350 351 352 ... 495 496

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