SMS SHZV - Notice

HM0.460.3901
52
Interval
Instruction
After 300,000 times OLTC
operation (based on the number
shown in MDU’s counter OLTC
inspection and maintenance.
Regarding this, please contact
Huaming’s after-sales department.
After 300,000 times OLTC operation (based on the
number shown in MDU’s counter OLTC inspection
and maintenance. Regarding this, please contact
Huaming’s after-sales department.
After 600,000 times OLTC
operation (based on the number
shown in MDU’s counter,
Inspect the vacuum interrupters. Regarding this,
please contact Huaming’s after-sales department.
After 800,000 times OLTC
operation (based on the number
shown in MDU’s counter
Change the diverter switch insert. Regarding this,
please contact Huaming’s after-sales department.
After 1,500,000 times OLTC
operation (based on the number
shown in MDU’s counter
Tap selector maintenance. Regarding this, please
contact Huaming’s after-sales department.
Table13-3 Maintenance interval
Please write to export@huaming.com for any need of support.
13.3 Notice
CAUTION
OLTC must be maintained strictly follow the manual to ensure its good
performance. Otherwise, it will cause damages to operations of tap-changer and
transformer.
CAUTION
If the tap-changer does not regulate the voltage for a long time or has a tap position
that is not used for a long time, no less than 5 cycles of tap change operation should
be performed in the full tap range during a power cut.
NOTE!
The maintenance of the tap changer shall be performed by Huaming, and usually
the maintenance can be finished within one day