Recording; User-Programmable Elements - GE 889 Instruction Manual

Generator protection system
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SPECIFICATIONS

Recording

User-Programmable Elements

1–24
EVENT RECORDER
Number of events:.............................................. 1024
Header:.................................................................... relay name, order code, firmware revision
Content:................................................................... any element pickup, any element operate, digital input
Data Storage:........................................................ non-volatile memory
Time-tag Accuracy: ........................................... to one microsecond
DATA LOGGER
Data Logger channels:..................................... 16
Data Logger Rate: .............................................. 1 cycle, 1 sec., 30 sec., 1 min., 15 min., 30 min., 1 hour
Inputs: ...................................................................... Any analog parameter from the list of available analog
Data Collection Mode: ...................................... Continuous, Triggered
Trigger Source:.....................................................Any digital flag from the list of digital flags
Trigger Position:................................................... 0 to 50% in steps of 1%
Channel 1(16) Mode:.......................................... Sample, Min, Max, Mean
FAULT REPORTS
Number of Reports: ........................................... 15
Captured Data: .................................................... Pre-fault and fault phasors for all CT and VT banks, pre-fault
TRANSIENT RECORDER
Default AC Channels: ........................................
Configurable Channels:................................... 16 analog and 64 digital channels
Sampling Rate:.....................................................128/c, 64/c, 32/c, 16/c, 8/c
Trigger Source:.....................................................Any element pickup, dropout or operate, digital input or
Trigger Position:................................................... 0 to 100%
Storage Capability: ............................................ Non-volatile memory
LAST TRIP DATA
Number of Records: .......................................... 1
Data Storage:........................................................ Non-volatile memory
Time-tag Accuracy: ........................................... One microsecond
Actuals:.................................................................... Event Number of Last Trip,
Commands:........................................................... Clear Last Trip Data
FLEXLOGIC
Lines of code:........................................................ 1024
Supported operations: ..................................... NOT, XOR, OR (2 to 16 inputs), AND (2 to 16 inputs), NOR (2 to
Inputs: ...................................................................... any logical variable, contact, or virtual input
Number of timers: .............................................. 32
Pickup delay: ........................................................ 0 to 60000 (ms, sec., min.) in steps of 1
Dropout delay: .....................................................0 to 60000 (ms, sec., min.) in steps of 1
Timer accuracy: .................................................. ±3% of delay setting or ±¼ cycle (whichever is greater) from
change of state, digital output change of state, self-test
events
parameters
and fault trigger operands, user-programmable analog
channels 1 to 32
8
currents + 4 voltages
output change of state, FlexLogic operand
Timestamp of Last Trip,
Cause of Last Trip,
64 Configurable FlexAnalog values
16 inputs), NAND (2 to 16 inputs), latch (reset-dominant),
edge detectors, timers
pickup to operate
889 GENERATOR PROTECTION SYSTEM – INSTRUCTION MANUAL
CHAPTER 1: INTRODUCTION

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