Motor Cable Length For Parallel Operation Of Motors; Motor Cable Cross-Section; Interconnection Of The Motor - KEB COMBIVERT F6 Instructions For Use Manual

cONNecTION OF THe POWer UNIT

4.2.5.5 Motor cable length for parallel operation of motors

The resulting motor cable length for parallel operation of motors, or parallel installation
with multiple cables arises from the following formula:
resulting motor cable length = ∑single cable length x √Number of motor cables

4.2.5.6 Motor cable cross-section

The motor cable cross-section is dependent
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4.2.5.7 Interconnection of the motor

ATTENTION
ATTENTION
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on the characteristic of the output current (e.g. non-sinusoidal).
on the real effective value of the motor current.
on the cable length.
on the type of the used line.
on the ambient conditions such as bundling and temperature.
Incorrect behavior of the motor!
► The connecting-up instructions of the motor manufacturer are al-
ways generally valid !
Protect motor against voltage peaks !
► Drive converters switch at the output with high du/dt. Voltage peaks
that endanger the insulation system at the motor can occur espe-
cially in case of long motor cables (>15 m). A motor choke, a dv/
dt-filter or sine-wave filter can be used to protect the motor with
regard to the operating mode.