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68
Appendix A Technical Specifications
Accuracy, %
Parameter
Full scale
Rdg FS Conditions
Range
Display resolution (%Rdg)
@ range
2
Apparent power
0.36
×
PT
×
CT @ 120V input
1.2
×
PT
×
CT @ 690V input
0.5 0.02
1
0
to
2,000,000 kVA
Direct wiring (PT=1):
0.001 kVA @ 0.001kVA to 9.999 kVA
Wiring via PTs (PT>1):
0.001 MVA @ 0.001MVA to 9.999 MVA
≤
0.1% @ 10.00 MVA to 2000 MVA
Power factor
1
0.6
|PF|
≥
0.5,
I
≥
10% FSI
-0.999 to +1.000 0.001
Frequency
0.02
45.00 to 65.00
Hz
0.01 Hz
Neutral
(unbalanced)
current
CT PRIMARY CURRENT
0.5
2% to 120% FS 0 to 9999 A
0.01 A @ 0.01A to 99.99 A
≤
0.1% @ 100.0 A to 9999 A
Starting current 0.5% FS
Ampere demand
Same as for current
KW demand (block
& sliding)
Same as for kW
KVA demand
(block & sliding)
Same as for kVA
Total harmonic
Distortion
THD U (I),
%U1(I1)
999.9 1.5
0.2
THD
≥
2% FS,
U (I)
≥
10% FSU
(FSI)
0 to 999.9
0.1
Total Demand
Distortion TDD, %
100
1.5
TDD
≥
2% FS,
I
≥
10% FSI
0 to 100
0.1
Voltage & Current
individual Harmonic
Distortion HD, %
100 1.5
1.0
HD
≥
2% FS,
U (I)
≥
10% FSU
(FSI)
0 to 100
0.01
Содержание PM172EH Series
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