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11.3
List of ANSI Codes
ANSI
EMR-3MP0
Functions
14
Underspeed
21
Distance Protection
21P
Phase Distance Protection
24
Overexcitation Protection (Volts per Hertz)
25
Synchronizing or Synchronizm-check via 4th measuring channel of
voltage measurement card
26
Temperature Protection
27
Undervoltage Protection
27(t)
Undervoltage (time dependent) Protection
27A
Undervoltage Protection (Auxiliar) via 4th measuring channel of
voltage measurement card
27M
Undervoltage (time dependent) Phase Protection (Main)
27N
Neutral Undervoltage via 4th measuring channel of voltage
measurement card
27TN
Third Harmonic Neutral Undervoltage via 4th measuring channel of
voltage measurement card
32
Directional Power Protection
32F
Forward Power Protection
32R
Reverse Power Protection
37
Undercurrent / Under Power
38
Temperature Protection (optional via Interface/external Box)
40
Loss of Excitation / Loss of Field
46
Unbalanced Current Protection
46G
Unbalanced Generator Current Protection
47
Unbalanced Voltage Protection
48
Incomplete Sequence (Start-up time Supervison)
49
Thermal Protection
49M
Thermal Motor Protection
49R
Thermal Rotor Protection
49S
Thermal Stator Protection
271
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EMR-3MP0
11 Appendix
11.3 List of ANSI Codes