Hitachi Relion 670 Series Product Manual page 86

Phasor measurement unit RES670
Version 2.2
Table 118. Current harmonic monitoring CHMMHAI (50/60 Hz)
Function
Frequency (0.95 to 1.05) X f
True RMS (0.2 to 2) X I
(0.2 to 2) X I
(0.2 to 2) X I
Fundamental (0.2 to 2) X I
(0.2 to 2) X I
Crest Factor (0.2 to 2) X I
Harmonic (0.2 to 2) X I
Amplitude
Total Demand (0.2 to 2) X I
Distortion (TDD)
Total Harmonic (0.2 to 2) X I
Distortion (ITHD)
Table 119. Voltage harmonic monitoring VHMMHAI (50/60 Hz)
Function
Frequency (0.95 to 1.05) X f
True RMS (10 to 150) V
(10 to 150) V
(10 to 150) V
Fundamental (10 to 150) V
(10 to 150) V
Crest Factor (10 to 150) V
Harmonic (10 to 150) V
Amplitude
Total Harmonic (10 to 150) V
Distortion (VTHD)
Note:
U - Applied Voltage Fundamental
F
U - Applied Voltage Harmonic (of respective harmonics)
H
U - Actual Voltage = RMS (U
F
86
GUID-09EC65AC-C60B-4256-A601-FE2CC90D26EC v3
Range or value
Fundamental
nd
2 order to 9
r
None
r
nd
2 order to 5
r
th
6 order to 9
r
None
r
nd
2 order to 9
r
None
r
nd
2 order to 9
r
nd
2 order to 9
r
nd
2 order to 9
r
GUID-2068BBA0-9026-48D0-9DEB-301BCB3C600C v3
Fundamental
nd
2
r
None
nd
2
th
6 order to 9
None
nd
2
None
nd
2
nd
2
and U )
H
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Harmonic
th
order (0.1 - 0.5) X I
r
th
order (0.1 - 0.5) X I
r
th
order (0.1 - 0.5) X I
r
th
order (0.1 - 0.5) X I
r
th
order (0.1 - 0.5) X I
r
th
order (0.1 - 0.5) X I
r
th
order (0.1 - 0.5) X I
r
Range or value
Harmonic
th
order to 9 order (0.1 - 0.5) X U
th
order to 5 order (0.1 - 0.5) X U
th
order (0.1 - 0.5) X U
th
order to 9 order (0.1 - 0.5) X U
th
order to 9 order (0.1 - 0.5) X U
th
order to 9 order (0.1 - 0.5) X U
1MRK 511 410-BEN P
±2 mHz
±0.5% of I
±0.5% of I at I > I
±1.0% of I
±1.0% of I at I > I
±5.0% of I
±5.0% of I at I > I
±0.5% of I
±0.5% of I at I > I
±0.5% of I
±0.5% of I at I > I
±2.0%
±2.0% of I
±4.0% of I
±5.0% at I ≤ I
±5.0% of ITDD at I > I
±5.0%
±2 mHz
F
±0.5% of U
±2.0% of U
F
±5.0% of U
F
±0.5% of U
±0.5% of U
F
±2.0%
±4.0% of U
F
±3.0%
F
Accuracy
at I ≤ I
r r
r
at I ≤ I
r r
r
at I ≤ I
r r
r
at I ≤ I
r r
r
at I ≤ I
r r
r
at I ≤ I
r r
at I > I
H r
r
r
Accuracy
F
F
H
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