Vincotech 分散电机驱动的应用对驱动系统提出了新的要求



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Decentralized Motor Drive Applications Vincotech GmbH 1
Decentralized Motor Drive Applications Raise New Requirements
regarding the Drive System
Werner Obermaier, Head of Product Marketing, Vincotech GmbH
The increasing demand for decentralized motor drives in factory automation
makes the new requirements for the implemented inverters in general and
for the power section in particular more and more evident. The article will
illuminate the reasons for the shift towards decentralized motor drives in
factory automation, the special requisitions this implicates for the drive as
well as its power section. It shows on a real example how to achieve these
additional demands with a highly integrated Power Module from Vincotech.
Decentralized Motor Drives gain
The complexity of tasks to be
handled in factories is increasing
from factory generation to
generation. Modern factories in the
automotive or packaging industry
for example are using hundreds of
variable speed drives to manage the
material flow and the actual
production processes like car body
assembly, welding and varnishing or
bottle cleaning, filling and labeling
respectively. In most factories up to
now a centralized approach has
been implemented, shown in picture
Picture 1: Motor installation with Centralized
Thereby, all actuators (motors) have
been routed with dedicated power
and signal cables like a cobweb from
a central cabinet containing the
frequency inverters. Even though
being the right choice in the past, it
does not cost effectively
accommodate today’s increasing
amount of installed variable speed
drives in newly build factories. In
addition, the demand for achieving
full control over the complete
production process including
peripheral tasks at remote places
further increases the cost of this
cobweb kind of system setup.
The further the drives are away
from the cabinet with its centralized
inverters the higher the cost for
cabling. The more drives are
installed in a factory the higher the
amount of space occupied by
cabinets. Furthermore, the more
complicated a cobweb kind of wiring
becomes the higher the resulting
installation and system costs.
The decentralized motor drive
approach is the answer to this
changed situation with its new
system split and the relocation of
the inverter section away from the
cabinet into the motor, as shown in
picture 2.