Commissioning
Limit values
The following table indicates the measuring circuit voltage together with the minimum
insulation resistance and the critical insulation resistance.
Table 4 Insulation resistance
Rated voltage U
rated
< 2 kV
Measuring circuit voltage 500 V
Minimum insulation resistance with new, 10 MΩ
cleaned or repaired windings
Critical specific resistance after a
long operating time
MΩ/kV insulation 0.5
(Values app ing temperature of 25 °C.)
Measures before commissionin
wing prior to
● The operating conditions match the data specified on the rating plate.
lling-
nths
ubricated.
ntary machine monitoring equipment has been connected correctly
ng the machine's first period of operation. The warning and
riately configured control and speed monitoring functions ensure that the
machine cannot exceed the permissible speeds specified on the rating plate.
tings for their type (e.g. alignment and
ase of a belt drive, tooth forces and
tooth face cle e case of toothed-wheel power output, radial and axial
clearance in oupled shafts).
● The mini
adhered
● The gro n established
correctly.
● All fixing screws, connection elements, and electrical connections have been
tightened to the specified torques.
● Lifting eyes that were screwed in have been removed following installation or
secured to prevent them becoming loose.
● The rotor can turn without coming into contact with the stator.
ly at a wind
g
Once the system has been correctly installed, you should check the follo
commissioning:
● The machine has been assembled and aligned correctly.
● The machine has been connected so that it rotates in the direction specified.
● The bearings have been lubricated as appropriate for the version used. Ro
contact bearing machines which have been in storage for more than 24 mo
have been rel
y suppleme● An
and is functioning as it should.
● For versions with bearing thermometers, the bearing temperatures must be
checked duri
shutdown values are set on the monitoring device.
● Approp
● The output elements have the correct set
balancing of couplings, belt forces in the c
arance in th
the case of c
mum insulation resistance and minimum clearance values have been
to.
nding and equipotential bonding connections have bee
u
Standard machines_Operating_Instructions_Compact
56100000002001 EN, 01/2010
13