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Chapter 3 Installation and Wiring 13
EV1000 Series General Purpose Variable Speed Drive User Manual
·
The shortest distance between areas should be 20cm.
·
Earthing bars should be used for decoupling among areas, the cables from different area should be
placed in different tubes.
·
The filter should be installed at the interfaces between different areas if necessary.
·
Bus cable(such as RS485) and signal cable must be shielded.
10kV
Power
Transformer
Motor
metal
cabinet
AC input reactor
Metal
cabinet
PLC or
meters
circuit breaker
filter
AC Output
reactor
>30cm
>50cm
Drive
motor cable
control cable
>20cm
Power
source
cable of
inverter
Isolation
Transformer
power
source cable
of meters
Fig. 3-5 Installation of the drive
3.1.2 Noise Suppression
The noise generated by the drive may disturb the equipment nearby. The degree of disturbance is
dependent on the drive system, immunity of the equipment, wire connections, installation clearance and
earthing methods.
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