Analysis and correction of VFD-induced bearing currents in electric motors
This article examines the causes and effects of VFD-induced bearing currents in electric motors that can lead to premature bearing failure. It provides detailed damage…
Root Cause Analysis
Expert root cause analysis articles covering failure investigation, diagnostic methodologies, and prevention strategies for industrial equipment.
Root Cause Analysis of Industrial Coupling Failures: Misalignment, Torque Overload and Material Fatigue
This analysis examines the critical failure modes of industrial couplings—shear, torque overload, and material fatigue failure. Detecting these defects at an early stage is key…
Root cause analysis: Collapse of filter elements in hydraulic systems - differential pressure, bypass valve and contamination peaks
This article highlights the causes of a filter collapse, using the Schneider Electric 52-0422-000 as an example, and analyzes the role of differential pressure, bypass…