Practical Engineering Ltd. has lead numerous investigations into protection mis-operations and damaged industrial equipment,
Incident:
Spillway gate inadvertent operation
Root Cause:
Encoder roll-over
Incident:
Transient over-voltage failure of multiple VFDs
Root Cause:
Re-striking ground fault
Incident:
Substation fire
Root Cause:
Battery charger failure
Incident:
Mill-wide blackout
Root Cause:
Reversed CT wiring in restricted earth fault circuit