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
REX640
Product version: 1
96
ABB
Summary of Contents for RELION REX640
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