ABB ACS580MV Commissioning Manual page 19

Mechanical installation of converter
•
Converter is securely fixed to the floor.
•
INU cabinet and TRU cabinet have finished combination.
•
Converter doors must open and close easily.
•
The floor that the unit is installed on is of non-flammable material, as smooth as
possible, and strong enough to support the weight of the unit. Check the floor flatness
with a spirit level. The maximum allowed deviation from the surface level is 5 mm in
every 3 meters. Level the installation site, if necessary, as the cabinet is not equipped
with adjustable feet.
•
Roof-mounted fan units are installed.
•
Installation and damaged components. When inspecting the converter, attention must
be paid to bad affixed, loosed or damaged components.
Electrical installation of converter
•
Foreign parts, dust and moisture should not be present in the converter cabinets.
•
Insulation or voltage test of cables, MCB, and motor have been done according to the
manufacture specifications. An official test report must be available.
Control cable section:
•
Types and cross sections of control cables are suitable for the signal type and signal
level. The shield of analog cable need grounding properly.
•
Control cables are connected. Customer interface is available in document.
•
MCB control cables are connected directly to the converter.
•
The wirings of remote control cabling are completed.
•
Cabling of options (transformer / motor protection, tachometer etc.) are
completed.
•
For MBU configuration, forbid customer to set common point for open status,
close status and ready status!
Power cable and grounding section:
•
Grounding cables of MCB, converter and motor are connected and tighten. The cross
section of the ground cable must be bigger than 150 mm².
•
Types and cross sections of power cables are selected according to the
Engineering Guideline
•
All cable screens and equipotential bonding conductor are connected. The cross
section of conductor cable should be bigger than 50 mm² for motor cable length less
than 300 m, and bigger than 95 mm² for motor cable length bigger than 300 m.
•
MCB and motor cables are not fastened at both ends (cables and converter must be
pass the insulation test before connection).
•
All cables between TRU and INU should be connected .For bolts types and torque
requirement, see below table:
(2UBB013672).
Standard Commissioning Process 19
ACS580MV