GE 869 Instruction Manual page 14

DESCRIPTION OF THE 869 MOTOR PROTECTION SYSTEM
1–4
ANSI Device
50SG
50LR
50N
50P
50_2
51G
51N
51P
52
55
59N
59P
59X
59_2
66
67N
67P
78
81O
81U
81R
86
87S
AFP
VTFF
Table 1-2: Other Device Functions
Description
Acceleration Time
Analog Input
Analog Output
2
Breaker Arcing Current (I t)
Broken Rotor Bar
Switching Device Control
Breaker Control
Breaker Health
Data Logger
Demand
Digital Counters
Event Recorder
Fault Report
Flexelements
FlexLogic Equations
Flexstates
IEC 61850 Communications
Mechanical Jam
Metering: current, voltage, power, PF, energy, frequency, harmonics, THD
Description
Ground Fault
Mechanical Jam
Neutral Instantaneous Overcurrent
Phase Instantaneous Overcurrent
Negative Sequence Instantaneous Overcurrent
Ground Time Overcurrent
Neutral Time Overcurrent
Phase Time Overcurrent
AC Circuit Breaker
Power Factor
Neutral Overvoltage
Phase Overvoltage
Auxiliary Overvoltage
Negative Sequence Overvoltage
Maximum Starting Rate
Neutral Directional Element
Phase Directional Element
Out-of-Step Protection
Overfrequency
Underfrequency
Frequency Rate of Change
Start Inhibit
Stator Differential
Arc Flash Protection
Voltage Transformer Fuse Failure
869 MOTOR PROTECTION SYSTEM – INSTRUCTION MANUAL
CHAPTER 1: INTRODUCTION