Installation Manual Owner manual
PM180 Substation Automation Unit
29
5.12 Measurement Specifications
Parameter Full Scale @ Input
Range
Accuracy Range
% Reading % FS Conditions
Voltage V1-V4
120VxPT @ 120V
400VxPT @ 690V
0.05 0.01 10% to 120% FS 0 to 99,999,999 V
Line current I1- I4 CT
0.05
0.05
0.2
0.01
0.01
For ANSI C12.20:
1% - 120% FS
120% - 400% FS
For IEC 62053-22:
1% - 200% FS
0 to 29,999 A
Fault current I1- I4 CT 2.0 400% - 2000% FS 0 to 29,999 A
DC Voltage 125V/220V 0.3 10% - 120%FS 0 to 290VDC
Active power
0.36
×
PT
×
CT @
120V
1.2×PT×CT @
690V
0.2
0.002
0.002
|PF|
≥
0.5 and
-2,000,000 to +2,000,000 kW
Reactive power
0.36
×
PT
×
CT @
120V
1.2×PT×CT @
690V
0.3
0.002
0.002
|PF|
≤
0.9 and
-2,000,000 to +2,000,000 kvar
Apparent power
0.36
×
PT
×
CT @
120V
1.2×PT×CT @
690V
0.2
0.002
0.002
|PF|
≥
0.5 and
0 to 2,000,000 kVA
Power factor 1.000 0.35
|PF|
≥
0.5,
I ≥ 2% FSI
-0.999 to +1.000
Frequency 0.002 40.00 Hz to 70.00 Hz
Total Harmonic
Distortion, THD
V
(I), %V
f
(%I
f
)
999.9 1.5 0.2
THD
≥
1% FS,
V
(I) ≥ 10% FSV (FSI)
0 to 999.9
Total Demand
Distortion, TDD, %
100 1.5
TDD
≥
1% FS,
I ≥ 10% FSI
0 to 100
Active energy
1
Import & Export
Class 0.2 ANSI C12.20-2002
Current class 20
Class 0.2S (IEC 62053-22)
0 to 999,999.999 MWh
1
Specified Accuracy Class Only for PM180-5A and PM180-1A models (internal CT), for PM180-
DFR model accuracy meets class 1
2
This accuracy specification is available from PM180 firmware version V31.XX.8 and can be
displayed from RGM180 software version V22.1.5