EMR-4000 IM02602009E
List of ANSI Codes
EEE C 37.2:2008
ANSI Functions
14 Underspeed
24 Overexcitation Protection (Volts per Hertz)
25 Synchronizing or Synchronism-check via 4
th
measuring channel of voltage measurement card
27 Undervoltage Protection
27(t) Undervoltage (time dependent) Protection
27A Undervoltage Protection (Auxiliar) via 4
th
measuring channel of voltage measurement card
27M Undervoltage (time dependent) Phase Protection (Main)
27N Neutral Undervoltage via 4
th
measuring channel of voltage measurement card
27TN Third Harmonic Neutral Undervoltage via 4
th
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
50BF Breaker Failure
50 Overcurrent (instantaneous)
50P Phase Overcurrent (instantaneous)
50N Neutral Overcurrent (instantaneous)
50Ns Sensitive Neutral Overcurrent (instantaneous)
51 Overcurrent
51P Phase Overcurrent
51N Neutral Overcurrent
51Ns Sensitive Neutral Overcurrent
51LR Locked Rotor
51LRS Locked Rotor Start (during start sequence)
51C Voltage Controlled Overcurrent (via adaptive Parameters)
51Q Negative Phase Sequence Overcurrent (multiple trip characteristics)
51V Voltage Restrained Overcurrent
55 Power Factor Protection
59 Overvoltage Protection
59M Phase Overvoltage Protection (Main)
59TN Third Harmonic Neutral Overvoltage via 4
th
measuring channel of voltage measurement card
59A Overvoltage Protection via 4th (Auxiliar) measuring channel of voltage measurement card
59N Neutral Overvoltage Protection
60FL Voltage Transformer Supervision
60L Current Transformer Supervision
64REF Restricted Ground Fault Protection
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