Measurements And Recording; General; Disturbance Records; Event, Fault And Maintenance Records - GE P642 Technical Manual

Chapter 21 - Technical Specifications
8

MEASUREMENTS AND RECORDING

8.1

GENERAL

General measurement accuracy
Phase
Current (0.05 to 3 In)
Voltage (0.05 to 2 Vn)
Frequency (5 to 70 Hz)
Power (W) (0.2 to 2 Vn and 0.05 to 3 In)
Reactive power (Vars) (0.2 to 2 Vn and 0.05 to 3 In)
Apparent power (VA) (0.2 to 2 Vn and 0.05 to 3 In)
Energy (Wh) (0.2 to 2 Vn and 0.2 to 3 In)
Energy (Varh) (0.2 to 2 Vn and 0.2 to 3)
8.2

DISTURBANCE RECORDS

Minimum record duration
Maximum record duration
Minimum number of records at 10.5 seconds
Magnitude and relative phases accuracy
Duration accuracy
Trigger position accuracy
8.3

EVENT, FAULT AND MAINTENANCE RECORDS

Record location
Viewing method
Extraction method
Number of Event records
Number of Fault Records
Number of Maintenance Records
Event time stamp resolution
8.4

CURRENT LOOP INPUTS/OUTPUTS

Current loop input accuracy
Current loop input drop-off under threshold
Current loop input drop-off over threshold
Current loop input sampling interval
468
General Measurement Accuracy
Typically +/- 1%, but +/- 0.5% between 0.2 - 2 In/Vn
0° to 360° +/- 5.0%
+/- 1.0% of reading, or 4mA (1A input), or 20mA (5A input)
+/- 1.0% of reading
+/- 0.025 Hz
+/- 5.0% of reading at unity power factor
+/- 5.0% of reading at zero power factor
+/- 5.0% of reading
+/- 5.0% of reading at zero power factor
In +/- 5.0% of reading at zero power factor
Disturbance Records Measurement Accuracy
0.1 s
10.5 s
8
+/- 5% of applied quantities
+/- 2%
+/- 2% (minimum Trigger 100 ms)
Event, Fault & Maintenance Records
Battery-backed memory
Front panel display or Settings Application Software
Extracted via the front serial port
Up to 512 time tagged event records (newest overwrites oldest)
Up to 5
Up to 10
1 ms
CLIO
+/- 1% of full scale
Setting +/- 1% of full scale
Setting +/- 1% of full scale
50 ms
P64x
P64x-TM-EN-1.3