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)
726
MRI4
DOK-HB-MRI4-2E
Summary of Contents for highprotec MRI4
Page 1: ...Manual Feeder Protection MRI4 Software Version 3 4 a DOK HB MRI4 2E Revision C English...
Page 43: ...Installation and Connection 43 MRI4 DOK HB MRI4 2E...
Page 46: ...Installation and Connection Ensure the correct tightening torques 46 MRI4 DOK HB MRI4 2E...
Page 69: ...Navigation Operation Navigation Operation 69 MRI4 DOK HB MRI4 2E 1 2 3 5 7 6 8 10 9...
Page 353: ...Device Parameters 353 MRI4 DOK HB MRI4 2E...
Page 373: ...373 MRI4 DOK HB MRI4 2E...