ENERCON recently completed a plant design modification that upgraded the existing electromechanical (analog) protection relays for two 9000 HP, 6.9 kV Circulating Water Pump (CWP) motors to new solid-state (digital) relays. The objective was to harden the CWP motor protection circuits by implementing modern solid-state electronic equipment and eliminating legacy electromechanical devices that can lead […]