Download POWER NETWORK PARAMETER METER

9. TECHNICAL DATA
Measuring ranges and admissible basic errors are presented in the table 8
Table 8
Measured
quantity
Range
Basic error
Remarks
U i voltage
57.7/100 V (Ku=1)
230/400 V (Ku=1)
400/ 690 V (Ku =1)
dla Ku1...1,6 MV
 (0.2% m.v.+0.1% range)
Ku = 1...4000
(max 1.6 MV)
I i current
1.000 A (Ki=1)
5.000 A (Ki=1)
dla Ki1...45 kA
 (0.2% m.v.+0.1% range)
Ki = 1...9000
(max 45 kA)
P i active power
PAV mean active
power
Active energy EnP
S i apparent power
Apparent energy
EnS
Q i reactive power
Reactive energy
EnQ
0.0... 999.9 W
for Ku1, Ki1 (-)220 GW  (0.5% m.v.+0.2% range)
0.0...999.9 VA
for Ku1, Ki1 220 GVA
 (0.5% m.v.+0.2% range)
0.0... 999.9 Var
for Ku1, Ki1 (-)220 GVar  (0.5% m.v.+0.2% range)
- 1.00 ...0.00 ...1.000
 1% m.v. 2c
Pf=Power
factor=P/S
t i factor (ratio of
reactive power to
active power)
- 99.9....0....99.9
 1% m.v. 2c
error in the range
- 99.9...0...99.9
f frequency
20.0... 500.0 Hz
 0.5% m.v.
0.5...100%
 5% m.v. 2c
Pf i active power
factor
THD Ui, THD Ii
Where: Ku - voltage transformer ratio
Ki - current transformer ratio
m.v. - measured value
c - less significant display digit
28
-10%Un <Un <
12%Un
In > 10% In
47... 52 Hz