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Toshiba Tosvert VF-AS1 Instruction Manual Page 236

The new high-performance inverter.
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(Continued)
PWM carrier
Inverter type
frequency 
(kHz)
2~4
VFAS1-4220PL
4.1~12
2~2.5
VFAS1-4300PL
VFAS1-4370PL
2.6~12
2~2.5
VFAS1-4450PL~
VFAS1-4750PL
2.6~12
VFAS1-4900PC~
2.5
VFAS1-4132KPC
VFAS1-4160KPC~
2.5
VFAS1-4280KPC
VFAS1-4355KPC~
2.5
VFAS1-4500KPC
(2) Use shielded cables for the power and control cables, including filter input cables and inverter output cables.
Route the cables and wires so as to minimize their lengths. Keep a distance between the power cable and the
control cable and between the input and output wires of the power cable. Do not route them in parallel or bind
them together, instead cross at right angle.
(3) Install the filter and the inverter in an enclosed steel cabinet, it is more effective in limiting the radiation. Earth the
cabinet body securely with the thickest and shortest possible electric wire installed away from the power cables.
(4) Route the EMC filter input and output wires apart from each other.
(5) To limit the radiation noise from cables, earth each shielded cable to the EMC plate. It is effective to earth
shielded cables in the vicinity of the inverter and filter (within a radius of 10cm from each of them). Inserting a
ferrite core in a shielded cable is even more effective in limiting the radiation noise.
(6) To further limit the radiation noise, insert a zero-phase reactor in the inverter output line and insert ferrite cores in
the earth cables of the EMC plate and cabinet.
Requirements
Length of motor
IEC61800-3 category C2
connecting cable
(EN55011 classA Group1)
(m)
100
300
100
200
100
300
100
200
100
300
100
200
100
100
100
I-5
Conducted noise
IEC61800-3 category C1
(EN55011 classB Group1)
Applicable filters
EMF3-4090F
EMF3-4090F
EMF3-4090F
EMF3-4090F
EMF3-4092G
EMF3-4092G
EMF3-4092G
EMF3-4092G
EMF3-4180H
EMF3-4180H
EMF3-4180H
EMF3-4180H
EMF3-4300I
EMF3-4600J
EMF3-4600J × 2
E6581442
Conducted noise
Applicable filters
EMF3-4090F
-
EMF3-4090F
-
EMF3-4092G
-
EMF3-4092G
-
EMF3-4180H
-
EMF3-4180H
-
-
-
-
9

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