GE 339

CHAPTER 1: INTRODUCTION SPECIFICATIONS
339 MOTOR PROTECTION SYSTEM – INSTRUCTION MANUAL 1–13
Data capture
TRANSIENT RECORDER
Buffer size:..............................................................3 s
No. of buffers: .......................................................1, 3, 6
No. of channels:...................................................14
Sampling rate:......................................................4, 8, 16, or 32 samples per cycle
Triggers:...................................................................Manual Command
Contact Input
Virtual Input
Logic Element
Element Pickup/Trip/Dropout/Alarm
Data:..........................................................................AC input channels
Contact input state
Contact output state
Virtual input state
Logic element state
Data storage: ........................................................RAM - battery backed-up
FAULT RECORDER
Number of records:............................................1
Content:...................................................................Date and Time, first cause of fault, phases,
Currents: Ia, Ib, Ib, Ig/Isg, In - magnitudes and angles
Voltages: Van, Vbn, Vcn, Vab, Vbc, Vca, Vaux - magnitudes
and angles
System frequency
DATA LOGGER
Number of Channels: ........................................10
Parameters:...........................................................Any available analog actual value
Sampling Rate:.....................................................1 cycle, 1 second, 1 minute, 1 hour
Trigger Source:.....................................................All logic elements, Logic operand: Any Trip PKP/OP/DPO, Any
Alarm PKP/OP/DPO
Mode:........................................................................Continuous or triggered
MOTOR START DATA LOGGER
Length:.....................................................................6 buffers, containing a total of 30 seconds of motor starting
data
Trigger:.....................................................................Motor start status
Trigger Position:...................................................1-second pre-trigger duration
Logging Rate:........................................................1 sample/200 ms
EVENT RECORDER
Number of events:..............................................256
Content:...................................................................event number, date of event, cause of event, per-phase
current, ground current, sensitive ground current, neutral
current, per-phase voltage (VTs connected in “Wye”), or
phase-phase voltages (VTs connected in “Delta”), system
frequency, power, power factor, thermal capacity, motor
load, current unbalance
Data Storage:........................................................Non-volatile memory
LEARNED DATA RECORDER
Number of events:..............................................250
Header: ....................................................................Date, number of records
Content:...................................................................learned acceleration time , learned starting current, learned
starting capacity, last starting current, last starting capacity,
last acceleration time , average motor load learned, average
run time after start (days), average run time after start
(minutes)
Data Storage:........................................................Non-volatile memory