SEW MOVITRAC LTE-B series, Руководство по эксплуатации

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Operating Instructions – MOVITRAC® LTE-B
13
3
Overload capacity
General Specifications
3.3 Overload capacity
All MOVITRAC
®
LTE-B products have the following overload capacity:
• 150% for 60 seconds
• 175% for 2 seconds
With an output frequency of < 10 Hz, the overload capacity is reduced to 150% for
7.5 seconds.
For adjusting the motor overload, see parameter P-08 in section"Standard parameters"
(page 43).
3.4 Protection functions
• Short circuit output, phase-phase, phase-ground
• Output overcurrent
• Overload protection
• Inverter delivers 150% of the nominal motor current for 60 seconds
• Overvoltage shutdown
• Setting at 123% of the maximum nominal supply voltage of the inverter
• Undervoltage shutdown
• Shutdown caused by overtemperature
• Shutdown caused by undertemperature
• The inverter is shut down when activated below –10 °C
• Line phase failure
• The running inverter is shut down when one phase of the three-phase power
supply fails for longer than 15 seconds.