External Wiring - Delta BLD-E1 Series User Manual

Chapter 2 Installation and Wiring| BLD-E1 Series

2.2 External Wiring

2-6
Items
Power Please follow the specific power supply
supply requirements shown in Appendix A.
There may be an inrush current during
Fuse/NFB power up. Please check the chart of
Appendix B and select the correct fuse with
(Optional)
rated current. Use of an NFB is optional.
Do NOT run/stop brushless DC motor drives
by turning the magnetic contactor ON/OFF,
Magnetic
as it will reduce the usage life of drive. If you
contactor
still need to run/stop drives by turning the
(Optional)
magnetic contactor ON/OFF, it is
recommended to do so only ONCE per hour.
Used to improve the input power factor, to
reduce harmonics and provide protection
from AC line disturbances. (surges,
Input AC
switching spikes and short interruptions). AC
Line
line reactor should be installed when the
Reactor
power supply capacity is 500kVA or more or
(Optional)
advanced capacity is activated .The wiring
distance should be
appendix B for details.
Zero phase reactors are used to reduce
Zero-phase
radio noise especially when audio equipment
Reactor
is installed near the brushless DC motor
(Ferrite
drive. Effective for noise reduction on both
Core
the input and output sides. Attenuation
Common
quality is good for a wide range from AM
Choke)
band to 10MHz. Appendix B specifies the
(Optional)
zero phase reactor. (RF220X00A)
To reduce electromagnetic interference. It is
EMI filter
built in 230V 1-phase and 460V models.
The surrounding temperature should be
within the specification (refer to chapter 1) to
Driver prevent from reducing the drive's usage life.
Please wire according to chapter 2 wiring,
wrong wire may cause damage.
Brake
Used to reduce the deceleration time of the
resistor
motor. Please refer to the chart in Appendix
and Brake
B for specific Brake resistors.
unit
Motor surge voltage amplitude depends on
Output AC motor cable length. For applications with
Line long motor cable (>20m), it is necessary to
Reactor install a reactor at the drive output side.
Please refer to the chart in appendix B.
To prevent electric shock due to leakage
current of the drive, the drive and motor
Grounding
should be grounded. Please refer to
specification of main circuit terminal.
Explanations
≤
10m. Refer to
Revision May 2009, 00DE, V0.50