Danfoss VACON NXS Air-cooled, Руководство по эксплуатации

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9.3.2 Insulation Checks of the Mains Cable
Use these instructions to check the insulation of the mains cable.
Procedure
Disconnect the mains cable from the terminals L1, L2, and L3 and from mains.
Measure the insulation resistance of the mains cable between phase conductors 1 and 2, between phase conductors 1 and
3, and between phase conductors 2 and 3.
Measure the insulation resistance between each phase conductor and the grounding conductor.
The insulation resistance must be >1 MΩ at the ambient temperature of 20 °C (68 °F).
9.3.3 Insulation Checks of the Motor
Use these instructions to check the insulation of the motor.
N O T I C E
Obey the instructions of the motor manufacturer.
Procedure
Disconnect the motor cable from the motor.
Open the bridging connections in the motor connection box.
Measure the insulation resistance of each motor winding. The voltage must be the same or higher than the motor nominal
voltage, but at least 1000 V.
The insulation resistance must be >1 MΩ at the ambient temperature of 20 °C (68 °F).
Connect the motor cables to the motor.
Do the final insulation check on the drive side. Put all phases together and measure to the ground.
Connect the motor cables to the drive.
9.4 Checks after Commissioning
9.4.1 Testing the AC Drive after Commissioning
Before starting the motor, do these checks.
Before the tests, make sure that it is safe to do each test.
Make sure that the other workers near know about the tests.
Procedure
Make sure that all the START and STOP switches that are connected to the control terminals are in the STOP position.
Make sure that the motor can be started safely.
Set the parameters of group 1 (see VACON
®
All in One Application Manual) to agree with the requirements of the used
application. To find the necessary values for the parameters, see the motor nameplate.
Set these parameters at a minimum:
Motor nominal voltage
Motor nominal frequency
Motor nominal speed
Motor nominal current
Motor cos phi
Set the maximum frequency reference (that is, the maximum speed of the motor) to agree with the motor and the device
that is connected to the motor.
Do the following tests in this order:
RUN test without the load, see 9.4.2 RUN Test without Load
Start-up test, see 9.4.3 Start-up Test
Identification run, see 9.4.4 Identification Run
AQ275638903263en-000601 / DPD00910 122 | Danfoss A/S © 2022.12
Commissioning
VACON® NXS/NXP Air-cooled
Operating Guide