List of ANSI Codes
ANSI Functions
66 Starts per h (Start Inhibit)
67 Directional Overcurrent
67N Directional Neutral Overcurrent
67Ns Sensitive Directional Neutral Overcurrent
68 Power Swing Blocking
74TC Trip Circuit Supervision
78 Out of Step Tripping
78V Vector Surge Protection
79 Auto Reclosure
81 Frequency Protection
81U Underfrequency Protection
81O Overfrequency Protection
81R ROCOF (df/dt)
86 Lock Out
87B Busbar Differential Protection
87G Generator Differential Protection
87GP Generator Phase Differential Protection
87GN Generator Ground Differential Protection
87L Cable and Line Differential Protection
87M Motor Differential Protection
87T Transformer Differential Protection
87TP Transformer Phase Differential Protection
87TN Transformer Ground Differential Protection
87U Unit Differential Protection (protected zone includes generator and step-up transformer)
87UP Unit Phase Differential Protection (protected zone includes generator and step-up transformer)
1368 MCDGV4 DOK-HB-MCDGV4-2E