—
Table 74. Sequence voltage measurement (VSMSQI)
Characteristic
Operation accuracy
Suppression of harmonics
—
Table 75. Three-phase power and energy measurement (PEMMXU)
Characteristic
Operation accuracy
Suppression of harmonics
1 |PF| >0.5 which equals |cosφ| >0.5
2 |PF| <0.86 which equals |sinφ| >0.5
—
Table 76. RTD/mA measurement (XRGGIO130)
Description
RTD inputs
mA inputs
—
Table 77. Frequency measurement (FMMXU)
Characteristic
Operation accuracy
Supported RTD sensors
Supported resistance range
Maximum lead resistance (three-wire
measurement)
Response time
RTD/resistance sensing current
Operation accuracy
Supported current range
Current input impedance
Operation accuracy
Value
Depending on the frequency of the voltage measured: fn ±2 Hz
At voltages in range 0.01...1.15 × U
±1.0% or ±0.002 × U
n
DFT: -50 dB at f = n × f
, where n = 2, 3, 4, 5,...
n
Value
At all three currents in range 0.10...1.20 × I
At all three voltages in range 0.50...1.15 × U
At the frequency f
±1 Hz
n
±1.5% for apparent power S
±1.5% for active power P and active energy
±1.5% for reactive power Q and reactive energy
±0.015 for power factor
DFT: -50 dB at f = n × fn, where n = 2, 3, 4, 5,...
Value
100 Ω platinum
250 Ω platinum
100 Ω nickel
120 Ω nickel
250 Ω nickel
10 Ω copper
0...2 kΩ
2 kV (inputs to protective earth)
<4 s
Maximum 0.33 mA rms
Resistance
± 2.0% or ±1 Ω
0...20 mA
44 Ω ± 0.1%
±0.5% or ±0.01 mA
Value
±5 mHz
(in measurement range 35...75 Hz)
n
n
n
(1)
(2)
TCR 0.00385 (DIN 43760)
TCR 0.00385
TCR 0.00618 (DIN 43760)
TCR 0.00618
TCR 0.00618
TCR 0.00427
Temperature
±1°C
10 Ω copper: ±2°C
41