GE MI-869 - Page 14

1–4 869 MOTOR PROTECTION SYSTEM – INSTRUCTION MANUAL
DESCRIPTION OF THE 869 MOTOR PROTECTION SYSTEM CHAPTER 1: INTRODUCTION
Table 1-2: Other Device Functions
51P Phase Time Overcurrent
52 AC Circuit Breaker
55 (2) Power Factor
59N Neutral Overvoltage
59P (2) Phase Overvoltage
59X Auxiliary Overvoltage
59_2 Negative Sequence Overvoltage
67N Neutral Directional Element
67P Phase Directional Element
78 Out-of-Step Protection
81O (2) Overfrequency
81U (4) Underfrequency
81R Frequency Rate of Change
86 Start Inhibit
87S Stator Differential
VTFF Voltage Transformer Fuse Failure
Description
Analog Input
Analog Output
Arc Flash Protection
Breaker Arcing Current (I
2
t)
Switching Device Control
Breaker Health
Output Relays
Demand
Digital Counters
Event Recorder
Fault Report
FlexLogic Equations
IEC 61850 Communications
Metering: current, voltage, power, PF, energy, frequency, harmonics, THD
Modbus User Map
Non-volatile Latches
Setpoint Groups (6)
Stator Inter-Turn Fault
Trip Bus (6)
Transient Recorder (Oscillography)
Trip and Close Coil Monitoring
User-programmable LEDs
User-programmable Pushbuttons
Virtual Inputs (32)
Virtual Outputs (32)
Mechanical Jam
Overload Alarm
Short Circuit
ANSI Device Description