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9 Specification
Inputs
Nominal input voltage (a.c. rms)
57 - 346V L-N
100 - 600V L-L
Factory configured for each system voltage
Max continuous input voltage
120% of upper value
Max short duration input voltage
2* upper value (1s application repeated
10 times at 10s intervals)
Nominal input voltage burden
0.2VA approx. per phase
Nominal input current
1 or 5A a.c. rms
System CT primary values
Std. values up to 4kA (1 or 5 Amp
secondaries)
Max continuous input current
120% of nominal
Max short duration current input
20* nominal (1s application repeated 5
times at 5 min intervals)
Nominal input current burden
0.6VA approx. per phase
Auxiliary
Standard nominal supply voltages
100 - 250V a.c. or d.c.
a.c. supply frequency range
45 to 66 Hz
a.c. supply burden
3VA
Optional auxiliary d.c.supply
12 - 48V d.c.
d.c. supply burden
3VA
Measuring Ranges
Values of measured quantities for which errors are defined.
Voltage
5 .. 120% of upper value
50 .. 120% of upper value for THD
Current
5 .. 120% of nominal
10 .. 120% of nominal for THD
Frequency
45 .. 66 Hz
Active power (Watt)
5 .. 120% of nominal, importing, 360 MW
Max
Reactive power (VAr)
5 .. 120% of nominal, importing, 360
MVAr Max
Apparent power (VA)
5 .. 120% of nominal, 360 MVA Max
Power Factor
0.5 inductive .. 1 .. 0.8 capacitive,
importing
Total Harmonic Distortion
Up to 15th Harmonic 0%-50%
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