Starting - ABB ACS 600 User Manual

Chapter 4 – Commissioning the Supply Section with ISU

Starting

WARNING! When starting the IGBT supply unit, the DC busbars will become live, as
will all the inverters connected to the DC busbars.
Make sure that it is safe to start the IGBT supply unit. Ensure that:
• Nobody is working with the unit or circuits that are wired from outside into the
cabinets.
• All cabinet doors are closed.
• The covers of the motor terminal boxes are on.
Ensure the actions described in subsections
Voltage Connected
Auxiliary Circuits
Be ready to trip the main breaker of the supply transformer if
anything abnormal occurs.
Close the main disconnecting switch of the auxiliary circuit.
Close the main disconnecting switch of the supply section.
Start the ISU:
• reset the starting logic by the RESET button on the cabinet
door.
• turn the starting switch on the cabinet door from position 0
to 1, and
• turn the starting switch to the START position and release
it.
4-6
This procedure instructs how to start the IGBT supply unit.
Action
and Checks with Voltage Connected to
are completed.
Checks with No
Information
ACA 635 IBGT Supply Sections