Datakom DPR-400 - 9 Protection Functions; General Features

DPR-400 User Manual Rev_01 Firmware V-1.0
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DPR-400 offers overcurrent protection relay functionality in order to protect and manage transmission
lines. Supported ANSI protection functions are listed below:
Overcurrent protection (ANSI 50/51)
Cold Load Pickup (CLP 50/51)
Negative Sequence Overcurrent (ANSI 46)
Thermal Overload (ANSI 49RMS)
Directional Overcurrent (ANSI 67)
Under / High Voltage Protection (ANSI 27/59)
Broken Conductor (ANSI 46BC)
Under / High Frequency Protection (ANSI 81U / 81O)
Breaker Failure (ANSI 50BF)
Negative Sequence Over Voltage (ANSI 47)
Ground Overcurrent (ANSI 50N/51N)
CT Supervision (ANSI 74CT)
Reclosure (ANSI 79)
9. PROTECTION FUNCTIONS
9.1. GENERAL FEATURES
50/51
46
67
50BF
74CT
79
CLP
52
50N/51N
81
59
27
49RMS
46BC
47