Technical specifications
7.1 Overload capability of the inverter
PM250 Power Module
54 Hardware Installation Manual, 01/2016, A5E36265179B-AA
Load cycles and typical applications:
"Low Overload" load cycle
"High Overload" load cycle
The "Low Overload" load cycle assumes a
uniform base load with low requirements
placed on brief accelerating p phases.
Typi-
cal applications when designing according
to "Low Overload" include:
Pumps, fans and compressors
Wet or dry blasting technology
Mills, mixers, kneaders, crushers,
agitators
Basic spindles
Rotary kilns
Extruders
The "High Overload" load cycle permits, for
reduced base load, dynamic accelerating
phases.
Typical applications when desig-
ning according to "High Overloa
d" include:
Horizontal and vertical conveyor
technology (conveyor belts, roller
conveyors, chain conveyors)
Centrifuges
Escalators/moving stairways
Lifters/Lowerers
Elevators
Gantry cranes
Cable railways
Storage and retrieval machines
Typical inverter load cycles
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