IE A128PLANT PROTOCOL · 20 DAYS OF OPERATION AFTER TREATMENT
Vacuum pump electric motor: bearing treatment reduced the current draw
Current of the treated motor dropped, current of the untreated units stayed the same. 10.48 % — motor current draw, 28–30 → 25–27 A (2004).
with signatures and stamp
Key results
| UNIT | CONDITION AT START OF PERIOD | WHAT WAS MEASURED |
|---|---|---|
| Vacuum pump electric motor, 22 kW, bearings treated | Phase currents 30 / 28 / 28 A | Current on the three supply phases at the start of the period and again after 20 days of operation |
| Units of the same plant left untreated — control group | Phase currents 30 / 28 / 28 A | The same over the same period; the protocol does not state the size of the group |
Phase currents: treated motor and control group
| PHASE | START OF PERIOD | AFTER 20 DAYS, TREATED | AFTER 20 DAYS, UNTREATED |
|---|---|---|---|
| I | 30 A | 27 A | 30 A |
| II | 28 A | 25 A | 28 A |
| III | 28 A | 25 A | 28 A |
Measurements were taken on equipment in service; the protocol does not name the instrument. The right-hand column covers the units that were not treated: their current did not change over the period.
Conclusion of the plant commission
Current equivalent
Revitalizant gel for compressors and bearings →
Piston, screw and centrifugal compressors; rolling and sliding bearings running in an oil bath; machine-tool spindle units and slideways.
How such units are treated:
About this result:
Limits of this report: The results relate to a 22 kW vacuum pump electric motor at the Brilyant AD site in Sofia after 20 days of operation following bearing treatment; on other equipment and under other operating modes the figures may differ.