| Name |
Function |
| Surge absorber |
Suppresses surges or noise invading from an external
source, preventing malfunction from magnetic contactors, mini control relays and
timers, etc. |
| Arrester |
Suppresses induced lightning surges from power
source, thus protecting all equipment connected to the power source. |
| Surge killer |
Absorbs surges or noise invading from an external
source, preventing malfunction of electronic equipment used in the switchboard. |
| Frequency setting device |
Frequency setting potentiometer (mounted externally) |
| Frequency meter |
Displays the frequency in accordance with signals
output from the inverter. |
| Option for single-phase 115V
input |
This is used in cases where a single-phase 115V
power supply is used to feed a three-phase 230V inverter. (It can be applied to the
inverter of 1HP or less.) |
| EMC compliance filter |
This is a dedicated filter which complies with
the European EMC (Emission) Directive. |
AC REACTOR
(ACR) |
Used for power factor improvement and power supply
coordination. However, it is recommended that a DC REACTOR with a higher efficiency
and which is more compact and lightweight be used. Use a DC REACTOR (DCR) as a
countermeasure for harmonics. If it is necessary to supply a stabilized power
supply, such as a DC bus system and running from that (PN connection operation),
please use such a reactor. |
| Ferrite ring for reducing radio
noise |
Reduces radio frequency noise. If the wiring between
motor and inverter is shorter than 66ft(20m), use the ferrite ring in the power supply
side. If longer than 66ft(20m), use it in the output side. |
Filter capacitor
for reducing
radio interference |
Reduces noise.
For frequencies in the AM radio frequency band of 1MHz or less, a noise reduction
effect can be obtained. Absolutely never connect this device to the inverter’s
output side. |
DC
REACTOR
(DCR) |
| [Use the DCR to normalize the power supply in the
following cases.] |
| (1) |
The power transformer capacity is 500kVA or over
and exceeds the inverter rated capacity by 10 times. |
| (2) |
The inverter and a thyristor converter are connected
with the same transformer.
*Check if the thyristor converter uses a commutation reactor. If not, AC reactor
must be connected to the power supply side. |
| * |
Check if the thyristor converter uses a commutation reactor.
If not, AC reactor must be connected to the power supply side. |
 |
| (3) |
Overvoltage trip occurs due to open/close of the
phase-advancing capacitor for the power supply lines. |
| (4) |
The voltage unbalance exceeds 2%.
Voltage unbalance (%) = Max. voltage [V] - Min. Voltage [V] / Three-phase average
voltage [V] X 67 |
| |
(IEC 61800-3 (5.2.3)) |
[For improving input power-factor, reducing harmonics]
- Used to reduce input harmonic current (correcting power-factor) |
|
Braking resistor
(Standard type)
(Compact type) |
Used when it is necessary to improve the braking
capacity in cases where there are frequent stops or the moment of inertia is large,
etc. |
| Output circuit filter |
This filter is connected to the output circuit
of inverters, and has the following functions:
| (1) |
Suppressing fluctuation of motor terminal voltage
Protects the motor insulation from being damaged by surge voltage. |
| (2) |
Suppressing leakage current from output side wiring
Reduces the leakage current caused when several motors are operated in parallel
or connected with long wiring. |
| (3) |
Suppressing radiation noise or inductive noise
from output side wiring
Effective noise suppression device for long wiring applications such as plant
* There are two kinds of filters for 460V series. Choose a desired one according
to the purpose of use. |
|
| RS-485
communications card |
This makes communication to a PLC or personal
computer system easy. |
| Extension
cable for remote operation |
Used when performing inverter remote operations
with the remote keypad. |
| Remote keypad |
Used when performing inverter remote operations
with the remote keypad. |
Inverter support
loader software |
Inverter support loader software, Windows based,
that makes setting of function codes easy. |
Attachments
(Mounting adapter)
(Rail Mounting Base) |
These enable changes in protective structures,
changes to an external cooling system, replacement of Fuji’s conventional products
and mounting on DIN rails, etc. |
