Specifications According to IEC 61557-12
Specifications according to IEC 61557-12
PMD features
|
Feature type |
Examples of possible characteristics |
Additional features |
|
PMD classification |
SD, SS | - |
|
Temperature |
K55 |
- |
|
Humidity + height |
- |
- |
|
Real power or real energy accuracy class (if function is available) |
0.5 |
- |
Functional features for CT variants (current transformer)
| Function | Symbols | Measuring range | Function-related accuracy class in accordance with IEC 61557-12 |
Additional features |
|
Total real power |
Pa | 0.5 |
- |
|
|
Total reactive power |
- | 1 |
- |
|
|
Total apparent power |
- | 0.5 | - | |
|
Total real energy |
Ea |
0 ... 5.124.095 GWh |
0.5 |
|
|
Total reactive energy (arithmetic or vectorial) |
ErA, ErV |
0 ... 5.124.095 GWh |
2 |
|
|
Total apparent energy (arithmetic or vectorial) |
EapA, EapV |
0 ... 5.124.095 GWh |
0.5 |
|
|
Frequency |
F |
45 ... 65 Hz |
0.02 |
|
|
Phase current |
I |
10 ... 120% of In |
0.2 |
In = 1 or 5A |
|
Neutral conductor current |
IN, INc |
10 ... 120% of In |
0.2 |
In = 1 or 5A
IN= calculated |
|
Voltage |
U |
20 ... 120% of Un |
0.2 |
Un= 57,7 Vac … 333Vac (L-N) Un= 100 Vac … 575 Vac (L-L) |
|
Power factor (arithmetic or vectorial) |
PFA, PFV |
0.5 ind. ... 0.8 cap. |
0.5 |
0.5 ind. ... 0.8 cap. |
|
Flicker (short-term, long-term) |
Pst, Plt |
- |
- |
- |
|
Voltage dips |
Udip |
20 ... 120% of Un |
0.2 |
Un= 57,7 Vac … 333Vac (L-N) Un= 100 Vac … 575 Vac (L-L) |
|
Excessive voltage |
Uswl |
20 ... 120% of Un |
0.2 |
Un= 57,7 Vac … 333Vac (L-N) Un= 100 Vac … 575 Vac (L-L) |
|
|
Utr |
- |
- |
- |
|
Voltage interrupts |
Uint |
20 ... 120% of Un
|
0.2 |
Un= 57,7 Vac … 333Vac (L-N) Un= 100 Vac … 575 Vac (L-L) |
|
Voltage asymmetry in terms of amplitude |
Unba |
- |
- |
- |
|
Voltage asymmetry in terms of phase and amplitude |
Unb |
- |
- |
- |
|
Voltage harmonics |
Uh |
h ≤ 15 |
1 |
|
|
Voltage THD |
THDu |
h ≤ 15 |
1 |
|
|
Voltage THD |
THD-Ru |
- |
- |
- |
|
Current harmonic |
Ih |
h ≤ 15 |
1 |
- |
|
Current THD |
THDi |
h ≤ 15 |
1 |
- |
|
Current THD |
THD-Ri |
- |
- |
- |
|
Mains signal voltage |
Msv |
- |
- |
- |
Functional features for RCP variants (Rogowski coil)
| Function | Symbols | Measuring range | Function-related accuracy class in accordance with IEC 61557-12 |
Additional features |
|
Total real power |
Pa | 1 |
- |
|
|
Total reactive power |
- | 2 |
- |
|
|
Total apparent power |
- | 1 |
- |
|
|
Total real energy |
Ea |
0 ... 5.124.095 GWh |
1 |
|
|
Total reactive energy (arithmetic or vectorial) |
ErA, ErV |
0 ... 5.124.095 GWh |
2 |
|
|
Total apparent energy (arithmetic or vectorial) |
EapA, EapV |
0 ... 5.124.095 GWh |
1 |
|
|
Frequency |
F |
45 ... 65 Hz |
0.02 |
|
|
Phase current |
I |
10 ... 120% of In |
0.5 |
In = 400A or 4000A |
|
Neutral conductor current |
IN, INc |
10 ... 120% of In |
0.5 |
In = 400A or 4000A
IN= calculated |
|
Voltage |
U |
20 ... 120% of Un |
0.2 |
Un= 57,7 Vac … 333Vac (L-N) Un= 100 Vac … 575 Vac (L-L) |
|
Power factor (arithmetic or vectorial) |
PFA, PFV |
0 … 1 |
1 |
|
|
Flicker (short-term, long-term) |
Pst, Plt |
- |
- |
- |
|
Voltage dips |
Udip |
20 ... 120% of Un |
0.2 |
Un= 57,7 Vac … 333Vac (L-N) Un= 100 Vac … 575 Vac (L-L) |
|
Excessive voltage |
Uswl |
20 ... 120% of Un
|
0.2 |
Un= 57,7 Vac … 333Vac (L-N) Un= 100 Vac … 575 Vac (L-L) |
|
|
Utr |
- |
- |
- |
|
Voltage interrupts |
Uint |
20 ... 120% of Un
|
0.2 |
Un= 57,7 Vac … 333Vac (L-N) Un= 100 Vac … 575 Vac (L-L) |
|
Voltage asymmetry in terms of amplitude |
Unba |
- |
- |
- |
|
Voltage asymmetry in terms of phase and amplitude |
Unb |
- |
- |
- |
|
Voltage harmonics |
Uh |
h ≤ 15 |
1 |
|
|
Voltage THD |
THDu |
h ≤ 15 |
1 |
|
|
Voltage THD |
THD-Ru |
- |
- |
- |
|
Current harmonic |
Ih |
h ≤ 15 |
1 |
- |
|
Current THD |
THDi |
h ≤ 15 |
1 |
- |
|
Current THD |
THD-Ri |
- |
- |
- |
|
Mains signal voltage |
Msv |
- |
- |
- |