5.- MAINTENANCE
5.1.- SAFETY REGULATIONS
Before operating the devices, follow the safety regulations indicated in section
3.1.- PRELIMINARY RECOMMENDATIONS
The National Electric Code of the country where the capacitor bank is installed or
operated should be strictly followed.
5.2.- MAINTENANCE WITH THE CAPACITOR BANK DISCONNECTED
5.2.1.
BASIC MAINTENANCE PROTOCOL
Monthly:
Visually inspect the capacitors.
Check the protection fuse.
Control the ambient temperature (average of 35 ºC. In accordance with IEC 60831 ).
Control the service voltage (especially during moments of low load, when it must not
exceed the n10%).
Biannually:
Keep the capacitor terminals clean.
Verify the condition of the contacts on the operation elements.
Check that the capacitor current is not lower than 25% nor greater than 120% of the
nominal value by phase and that there is no phase unbalance greater than 15%.
Annually:
Perform a dielectric rigidity test by applying
2.5 kV
for
1
second between the terminals
of the capacitor and earth.
Check the capacity of the capacitors at the different steps.
One indirect check may be to check that the consumption is manual.
Check the tightness of all terminal connections.
Inspect the fuses and/or circuit breakers.
-
Power Circuit
:
NH fuses. Check continuity and temperature.
-
Power Circuit
:
Check the continuity and temperature of the three-pole circuit breaker.
-
Control Circuit:
Check the continuity and temperature of the two-pole or three-pole
circuit breaker, depending on the regulator.
18
OPTIM FRS/FR P&P series
Instruction Manual
