GE MI-869 User Manual

CHAPTER 1: INTRODUCTION SPECIFICATIONS
869 MOTOR PROTECTION SYSTEM – INSTRUCTION MANUAL 1–19
POWER FACTOR (55)
Switch-In Level:....................................................0.01 Lead to 1 to 0.01 Lag in steps of 0.01
Dropout Level: ......................................................0.01 Lead to 1 to 0.01 Lag in steps of 0.01
Delay:........................................................................0.000 to 6000.000 s in steps of 0.001 s
Minimum Operating Voltage:........................0.00 to 1.25 x VT in steps of 0.01 x VT
Level Accuracy:....................................................± 0.02
Timer Accuracy:...................................................± 3% of delay setting or ± 1¼ cycle (whichever is greater)
from pickup to operate
SPEED PROTECTION
Configuration:.......................................................Assign to any contact input
Operating Range:................................................50 to 120% of Rated RPM
Minimum Pulse Width:......................................>8% of a revolution
Level Accuracy:....................................................±1% of rated speed
Timer Accuracy:...................................................±3% of delay setting or ±2 power cycles (whichever is
greater) from pickup to operate
Element:...................................................................Trip and Alarm
STATOR TURN FAULT
Operating Parameter:.......................................I_2, V_1, V_2
Pickup Level Stage1/Stage2:.........................0.001 to 10.000 in steps of 0.001
Level Accuracy:....................................................For 1.0 to 2.0 x CT: ±0.5% of reading or ±0.4% of rated,
whichever is greater For > 2.0 x CT: ±1.5% of reading
Dropout Level: ......................................................97 to 98% of Pickup
Pickup Delay Stage1/Stage2:........................0.01 to 600.00 in steps of 0.01
Operate Time:.......................................................<16 ms at 3 x pickup at 60 Hz
Timer Accuracy:...................................................±3% of operate time or ± 1/4 cycle (whichever is greater)
TRIP CIRCUIT MONITOR (TCM)
Applicable Voltage: ............................................20 to 250 VDC
Trickle Current:.....................................................1 to 2.5 mA
Timing Accuracy: ................................................± 3 % or ± 4 ms, whichever is greater
Recording
EVENT DATA
Number of Records:...........................................1024 (matches the existing Event Recorder)
Data Storage:........................................................Non-volatile memory
Time-tag Accuracy: ...........................................One microsecond
Settings:...................................................................64 Configurable FlexAnalog parameters,
Event Selector
Actuals:....................................................................Selected Event Number,
Timestamp of Selected Event,
Cause of Selected Event,
64 Configurable FlexAnalog values
Commands: ...........................................................None (using existing Clear Event Recorder)
MOTOR START STATISTICS
Number of records:............................................5
Content:...................................................................Start Date/Time, Start Acceleration Time, Start Effective
Current, Start Peak Current
Number of records:............................................Non-volatile memory
MOTOR START RECORDS
Length:.....................................................................6 records, each containing a total of 60 seconds of motor
starting data
Trigger:.....................................................................Motor starting status
Trigger Position:...................................................1 second pre-trigger duration
Sample Rate:.........................................................1 sample/200 ms

GE MI-869 Specifications

General

Brand	GE
Model	MI-869
Category	Protection Device
Language	English