Metering; Data Capture - GE 350-A9 Quick Start Manual

SPECIFICATIONS

Metering

NOTE:

Data capture

14
PARAMETER
3-Phase Real Power (MW or kW)
3-Phase Reactive Power (Mvar or kvar) ±1% of full scale
3-Phase Apparent Power (MVA or kVA) ±1% of full scale
3-Phase Positive Watthour (MWh)
3-Phase Negative Watthour (MWh)
3-Phase Positive Varhour (Mvarh)
3-Phase Negative Varhour (Mvarh)
Power Factor
Frequency
Negative values (-) represent lead and positive values (+) represent lag.
CURRENTS
Parameters:........................................................... Phase A, Phase B, Phase C, Neutral, Ground, Sensitive
Accuracy: ............................................................... See the Inputs section in Chapter 1: Specifications
VOLTAGES
Parameters:........................................................... Wye VTs: AN, BN, CN, Negative Sequence, Zero Sequence
Accuracy: ............................................................... See the Inputs section in Chapter 1: Specifications
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
Data: ......................................................................... AC input channels
Data storage:........................................................ RAM - battery backed-up
FAULT RECORDER
Number of records:............................................ 1
Content:................................................................... Date and Time, first cause of fault, phases,
ACCURACY RESOLUTION
(full scale for
CT Input is 3 x CT)
±1% of full scale 0.1 MW
0.1 Mvar
0.1 MVA
±1% of full scale ±0.001 MWh
±1% of full scale ±0.001 MWh
±1% of full scale ±0.001 Mvarh
±1% of full scale ±0.001 Mvarh
±0.05 0.01
±0.05 Hz 0.01 Hz
Ground, Positive Sequence, Negative Sequence, Zero
Sequence, and 2nd Harmonic
and Auxiliary
Delta VTs: AB, BC, CA, Negative Sequence, Zero Sequence
and Auxiliary
Contact Input
Virtual Input
Logic Element
Element Pickup/Trip/Dropout/Alarm
Contact input state
Contact output state
Virtual input state
Logic element state
Currents: Ia, Ib, Ib, Ig/Isg, In - magnitudes and angles
Voltages: Van, Vbn, Vcn, Vab, Vbc, Vca, Vaux - magnitudes
and angles
System frequency
350 FEEDER PROTECTION SYSTEM – QUICKSTART GUIDE
CHAPTER 1: INTRODUCTION
RANGE
± 100000.0 kW
± 100000.0 kvar
± 100000.0 kVA
50000.0 MWh
50000.0 MWh
50000.0 Mvarh
50000.0 Mvarh
-0.99 to 1.00
40.00 to 70.00 Hz