SD750FR
POWER ELECTRONICS
74
MAINTENANCE
EN
Note:
Long life of the main components above indicated are based on a continuous operation for the stipulated load.
These conditions can change according to the environment conditions.
In
sp
ec
tio
n
si
te
Inspection
element
Inspection
Period
Inspection method
Criterion
Instrument of
Measurement
M
on
th
ly
3
mo
nt
hs
2
ye
ar
s
D
is
pl
ay
Measurement
Is the displayed value
correct?
o
o
Check
the
reading
instrument with an external
measurement.
Check the specified
values and the control
values.
Voltage meter /
Current meter
etc.
M
ot
or
All
Is there any noise or
abnormal vibrations?
Has any unusual smell
been perceived?
o
o
Audible, sensory and visual
check.
Check if damages have
been
produced
by
overheating.
No anomaly.
Insulation
resistance
Megger check (between
terminals of output circuit
and ground terminal)
o
Disconnect the cables U, V
and W and join them
together.
Check
the
resistance between this join
and ground.
More than 5MΩ
Megger type
500V
Summary of Contents for SD750FR
Page 1: ...SD750FR HARDWARE AND INSTALLATION MANUAL 4Q REGENERATIVE ACTIVE FRONT END DRIVE...
Page 2: ......
Page 54: ...SD750FR POWER ELECTRONICS 52 POWER CONNECTION EN Connections for frame 6...
Page 55: ...POWER ELECTRONICS SD750FR POWER CONNECTION 53 Connections for frame 7...
Page 56: ...SD750FR POWER ELECTRONICS 54 POWER CONNECTION EN Connections for frame 8...
Page 79: ......
