Toshiba Tosvert VF-AS1 User Manual
Page 224

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When an external EMC filter is added
(1) Additional external EMC filters have the further effect of suppressing conduction and radiation noises.
Use the
recommended EMC noise filter specified in Table 3. This combination of inverter and filter was used when
examining the inverter for compliance with the EMC directive.
Table 3 lists noise filters recommended for the inverters.
Table 3 Combinations of inverter and EMI filter
Requirements
Inverter type
PWM carrier
frequency
EH
(kHz)
Length of
motor
connecting
cable
(m)
Transmission noise
EN55011 Class A Group 1
Applicable filters
Transmission noise
Class B Group 1
Applicable filters
50
EMF3-4012A
EMF3-4012A
4
100
EMF3-4012A
-
20
EMF3-4012A
EMF3-4012A
VFAS1-2004PL~
VFAS1-2015PL
16
50
EMF3-4012A
-
50
EMF3-4026B
EMF3-4026B
4
100
EMF3-4026B
-
20
EMF3-4026B
EMF3-4026B
VFAS1-2022PL,
VFAS1-2037PL
16
50
EMF3-4026B
-
50
EMF3-4035C
EMF3-4035C
4
100
EMF3-4035C
-
20
EMF3-4035C
EMF3-4035C
VFAS1-2055PL
16
50
EMF3-4035C
-
50
EMF3-4046D
EMF3-4046D
4
100
EMF3-4046D
-
20
EMF3-4046D
EMF3-4046D
VFAS1-2075PL
16
50
EMF3-4046D
-
50
EMF3-4072E
EMF3-4072E
4
100
EMF3-4072E
-
25
EMF3-4072E
EMF3-4072E
VFAS1-2110PM,
VFAS1-2150PM
16
50
EMF3-4072E
-
50
EMF3-4090F
EMF3-4090F
2.5
100
EMF3-4090F
-
25
EMF3-4090F
EMF3-4090F
VFAS1-2185PM,
VFAS1-2220PM
16
50
EMF3-4090F
-
50
EMF3-4180H
EMF3-4180H
2.5
100
EMF3-4180H
-
25
EMF3-4180H
EMF3-4180H
VFAS1-2300PM~
VFAS1-2450PM
16
50
EMF3-4180H
-
50
EMF3-4012A
EMF3-4012A
4
100
EMF3-4012A
-
20
EMF3-4012A
EMF3-4012A
VFAS1-4007PL~
VFAS1-4022PL
16
50
EMF3-4012A
-
50
EMF3-4026B
EMF3-4026B
4
100
EMF3-4026B
-
20
EMF3-4026B
EMF3-4026B
VFAS1-4037PL
16
50
EMF3-4026B
-
50
EMF3-4035C
EMF3-4035C
4
100
EMF3-4035C
-
20
EMF3-4035C
EMF3-4035C
VFAS1-4055PL,
VFAS1-4075PL
16
50
EMF3-4035C
-
50
EMF3-4046D
EMF3-4046D
4
100
EMF3-4046D
-
20
EMF3-4046D
EMF3-4046D
VFAS1-4110PL
16
50
EMF3-4046D
-
50
EMF3-4072E
EMF3-4072E
4
100
EMF3-4072E
-
20
EMF3-4072E
EMF3-4072E
VFAS1-4150PL
16
50
EMF3-4072E
-
100
EMF3-4072E
EMF3-4072E
4
300
EMF3-4072E
-
100
EMF3-4072E
EMF3-4072E
VFAS1-4185PL
16
200
EMF3-4072E
-
(Continued overleaf)