ABB ACQ580-34, Hardware Manual

Page: 72 / 244

￭
North America
Installations must be compliant with NFPA 70 (NEC)
1)
and/or Canadian Electrical Code
(CE) along with state and local codes for your location and application.
1) National Fire Protection Association 70 (National Electric Code).
￭
Other regions
The disconnecting device must conform to the applicable local safety regulations.
Selecting the main contactor
You can equip the drive with a main contactor.
Follow these guidelines when you select a customer-defined main contactor:
• Dimension the contactor according to the nominal voltage and current of the drive. Also
consider the environmental conditions such as surrounding air temperature.
• IEC devices only: Select contactor with utilization category AC-1 (number of operations
under load) according to IEC 60947-4, Low-voltage switch gear and control gear.
• Consider the application life time requirements.
￭
North America
Installations must be compliant with NFPA 70 (NEC)
1)
and/or Canadian Electrical Code
(CE) along with state and local codes for your location and application.
1)
National Fire Protection Association 70 (National Electric Code).
￭
Other regions
The disconnecting device must conform to the applicable local safety regulations.
Examining the compatibility of the motor and drive
Use asynchronous AC induction motors, permanent magnet synchronous motors, AC
induction servomotors or ABB synchronous reluctance motors (SynRM motors) with the
drive.
Select the motor size and drive type from the rating table on basis of the AC line voltage
and motor load. You can find the rating table in the appropriate hardware manual. You can
also use the DriveSize PC tool.
Make sure that the motor can be used with an AC drive. See Requirements table (page 73) .
For basics of protecting the motor insulation and bearings in drive systems, see Protecting
the motor insulation and bearings (page 72) .
Note:
• Consult the motor manufacturer before using a motor whose nominal voltage differs from
the AC line voltage connected to the drive input.
• The voltage peaks at the motor terminals are relative to the supply voltage of the drive,
not the drive output voltage.
￭
Protecting the motor insulation and bearings
The drive employs modern IGBT inverter technology. Regardless of frequency, the drive
output comprises pulses of approximately the drive DC bus voltage with a very short rise
72 Guidelines for planning the electrical installation