Investigations of Particle-Initiated Insulation Breakdowns in Bearings

Figure 6

Particle-initiated breakdowns when the bearing is lubricated with Sample A1, with particle concentrations of 150 mg/L and 75 mg/L. At a given concentration, the in Start 2 reduces to approximately half the value of Start 1. The number of breakdowns (per second) is shown on the secondary y-axis.