Power quality functions
Table 214. Current total demand, harmonic distortion, DC component (TDD, THD, DC) and individual harmonics (CHMHAI)
Characteristic Value
Operation accuracy
1)
±3.0% or ±0.2
1) Nominal frequency 50 Hz. Harmonics in the range 0…0.21 × fundamental amplitude
Table 215. Current total demand, harmonic distortion, DC component (TDD, THD, DC) and individual harmonics (CHMHAI) main settings
Parameter Function Value (Range) Step
Sliding interval CHMHAI 1 = 3 seconds
2 = 1 minute
3 = 5 minutes
-
Reference Cur Sel CHMHAI 0 = fundamental
2 = absolute
-
Demand current CHMHAI 0.10...1.00 × I
n
0.01
Table 216. Voltage total harmonic distortion, DC component (THD, DC) and individual harmonics (VHMHAI)
Characteristic
Value
Operation accuracy
1)
±3.0% or ±0.2
1) Nominal frequency 50 Hz. Harmonics in the range 0…0.21 × fundamental amplitude
Table 217. Voltage total harmonic distortion, DC component (THD, DC) and individual harmonics (VHMHAI) main settings
Parameter
Function Value (Range) Step
Sliding interval VHMHAI 1 = 3 seconds
2 = 1 minute
3 = 5 minutes
-
Table 218. Voltage variation (PHQVVR)
Characteristic
Value
Operation accuracy ±1.5% of the set value or ±0.2% of reference voltage
Reset ratio Typically 0.96 (Swell), 1.04 (Dip, Interruption)
Table 219. Voltage variation (PHQVVR) main settings
Parameter
Function Value (Range) Step
Voltage dip set 1 PHQVVR 10.0...100.0% 0.1
Voltage dip set 2 PHQVVR 10.0...100.0% 0.1
Voltage dip set 3 PHQVVR 10.0...100.0% 0.1
Voltage swell set 1 PHQVVR 100.0...140.0% 0.1
Voltage swell set 2 PHQVVR 100.0...140.0% 0.1
Voltage swell set 3 PHQVVR 100.0...140.0% 0.1
Voltage Int set PHQVVR 0.0...100.0% 0.1
VVa Dur Max PHQVVR 100...3600000 ms 100
1MRS759144 A
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