Ch03 Wiring
| VFD-ED
3-8
3-2 System Wiring Diagram
Power input
terminal
Supply power according to the rated power
specifications indicated in the manual (see
Chapter 08 Specifications).
NFB or fuse
There may be a large inrush current during
power on. See Section 6-2 NFB to select a
suitable NFB or fuse.
Electromagnetic
contactor
Switching the power ON/OFF on the primary
side of the electromagnetic contactor can turn
the integrated elevator device ON/OFF, but
frequent switching can cause machine failure.
Do not switch ON/OFF more than once an
hour. Do not use the electromagnetic contactor
as the power switch for the integrated elevator
drive; doing so shortens the life of the
integrated elevator drive.
AC reactor
(input terminal)
When the main power supply capacity is
greater than 1000 kVA, or when it switches into
the phase capacitor, the instantaneous peak
voltage and current generated may destroy the
internal circuit of the integrated elevator drive.
It is recommended that you install an AC
reactor at input side in the integrated elevator
drive. This also improves the power factor and
reduces power harmonics.The wiring distance
should be within 10 m. See Chapter 06
Optional Accessoires for details.
Zero phase
reactor
Use to reduce radiated interference, especially
in environments with audio devices, and
reduce input and output side interference.
The effective range is AM band to 10 MHz.
See Chapter 06 Optional Accessoires for
details.
EMC filter
Use to reduce electromagnetic interference.
Brake module
&
Brake resistor
(BR)
Use to shorten the deceleration time of the
motor. See Chapter 06 Optional Accessoires
for details.
AC reactor
(output
terminal)
The motor cable length affects the size of the
reflected wave on the motor end. It is
recommended that you install an AC output
reactor when the motor wiring length exceeds
20 meters. See Chapter 06 Optional
Accessoires for details.
Содержание VFD-ED Series
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Страница 10: ...Ch01 Introduction VFD ED 1 3 1 2 Model Name 1 3 Serial Number...
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Страница 28: ...Ch03 Wiring VFD ED 3 1 Chapter 3 Wiring 3 1 Wiring 3 2 System Wiring Diagram...
Страница 30: ...Ch03 Wiring VFD ED 3 3 3 1 Wiring...
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Страница 38: ...Ch04 Main Circuit Terminals VFD ED 4 3 4 1 Main Circuit Diagram Frame B Frames C D Frame E...
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Страница 93: ...06 Optional Accessories VFD ED 6 42 EMC Filter Model B84143D0075R127 B84143D0090R127 Unit mm inch...
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