Application And Functions Of Options - Toshiba TOSVERT VF-AS1 Instruction Manual

10. 4

Application and functions of options

Separate type options shown below are prepared for the inverter VF-AS1
No-fuse
breaker
Power supply
(MCCB)
Sorts of separate-type options
No. Option name
Input AC reactor
(ACL)
(1)
DC reactor(DCL)
(2)
High attenuation
radio noise filter (LC
filter) NF type,
(3)
(manufactured by
Soshin Electric Co.,
Ltd.)
Simple radio noise
filter (capacitive
filter) (Manufactured
(4)
by Malcon
Electronics Co., Ltd.)
Zero-phase reactor
(Inductive filter)
(Ferrite core type,
(5)
manufactured by
Soshin Electric Co.,
Ltd.)
EMC filter for CE
compliance
(6)
(VW3A44**)
(3) High attention radio
noise filter
(5) Zero-phase reactor
ferrite core type radio
noise filter
(6) EMC filter for CE
compliance
Magnetic
contactor
(MC)
N.F
(1) Input AC reactor
(ACL)
(4) Simple radio
noise filter
To be used for improvement of input power-factor of the inverter power source, for reducing
higher harmonic or suppressing external surge. The input reactor can be installed when the
power capacity is 500 kVA or more and it is 10 times or more as high as the inverter capacity
or there are some source distorted wave generation such as a thyristor, etc. and a high
capacity inverter connected with the same distribution system.
Type of
Power-factor
reactor
improvement
Input AC
Effective
reactor
DC reactor Very effective
The DC reactor is superior to the input AC reactor in power-factor improvement. For the
inverter system that is required to be high reliable, it is recommended to use the input AC
reactor that effectually suppresses external surge together with the DC reactor.
* If you are using a 200V/55kW model or larger or a 400V/90kW model or larger, be sure to
connect a DC reactor. (No DC reactor is required when the inverter is powered from a DC
power supply.)
• Effectual to prevent audio equipment used near the inverter from radio interference.
• Install this filter in the inverter's input side.
• Excellent attenuation characteristic for wide frequency band from AM radio band nearly to
10 MHz.
• To be used when electric appliances that are easily affected by noise are installed in the
periphery of the inverter
• Effectual to prevent audio equipment used near the inverter from radio interference.
• Install this filter in the inverter's input side.
• Attenuation characteristic for a certain frequency band. Effectual for noise reduction of
specific AM radio broadcastings (weak radio wave in mountain area).
• Leak current increases because of the condenser type. If ELCB is installed in the power
supply side, avoid using multiple units.
• Effectual to prevent audio equipment used near the inverter from radio interference.
• Effectual to reduce noise in the input and output sides of the inverter.
• Excellent attenuation characteristic for several decibels in wide frequency band from AM
radio band nearly to 10 MHz.
If EMC filter is installed in proper connection, the inverter has consistency with EMC
commands. 200V/0.4kW to 200V/7.5kW models and 400V/0.75 to 400V/500kW models come
standard with built-in noise filters. The effectiveness of the built-in filter can, however, be
increased by adding an EMC filter.
J-5
(2) DC reactor
(DCL)
(7) Braking resistor
(8) Motor noise
reduction filter
VF-AS1 N.F
(5) Zero-phase
reactor ferrite
core type radio
noise filter
(10) Control power supply
backup option
Function, purpose.
Effect
Harmonic suppression
200V, 3.7/4.0kW Other
or less combination
Effective Effective
Effective Very effective
E6581301
(200kW models and larger)
(7) Braking resistor/Braking unit
motor
IM
(9) Motor end surge
voltage suppression
filter (for 400V
models only)
External surge
suppression
Effective
Not effective
10