POWER ELECTRONICS
SD750FR
POWER CONNECTION
35
POWER CONNECTION
CAUTION
Please read the following instructions for proper electrical installation
.
Otherwise, it could result in damage to equipment and personnel.
NOTICE
Consult the recommended tightening torque for both mechanical and electrical connections in section
“
Basic configuration
Select the appropriate safety equipment and perform the wiring properly to ensure proper operation of
the equipment. Incorrect application or installation can lead to malfunction of the drive and consequently
reduce its life or damage its components. Read and understand this manual thoroughly before performing
any operations.
AC Power
Supply
Use a power supply according to the selected
drive.
The SD750FR drives are available for TN, TT
or IT grids (floating earth). Check the serial
number to ensure the correct drive selection.
External line-
side protection
Select fuses and switches in accordance with
the recommendation within this manual and
the applicable national and local regulations.
Do not use them for the purpose of starting or
stopping the drive.
IT grids should be externally protected against
insulation breakdowns and overvoltages.
SD750FR
Installation
Install the drive following the recommendation
within this manual in relation with the cooling
requirements, position, clearances, wiring
access and ground connection.
Motor cables
Select and install the motor cables according
to the recommendation within this manual and
the applicable national and local codes.
An incorrect motor cable selection and
installation
could
cause
EMC
filtering
malfunction and motor damaged.
Motor
Do not connect capacitors for power factor
protection, surge protectors or RFI filters at the
drive output.
7
Summary of Contents for SD750FR
Page 1: ...SD750FR HARDWARE AND INSTALLATION MANUAL 4Q REGENERATIVE ACTIVE FRONT END DRIVE...
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Page 54: ...SD750FR POWER ELECTRONICS 52 POWER CONNECTION EN Connections for frame 6...
Page 55: ...POWER ELECTRONICS SD750FR POWER CONNECTION 53 Connections for frame 7...
Page 56: ...SD750FR POWER ELECTRONICS 54 POWER CONNECTION EN Connections for frame 8...
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