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A .3 CHA R ACT ERIST I CS O F TH E EVA LUAT IO N F UNCTI ON OF TH E Q UA LI T Y O F SUPP LY
A.3 Characteristics of the evaluation function of the
quality of supply
Function symbols Measuring range Function perfor-
f
I
IN, INc
U
Udip
Uswl
Uint
Uh
Ih
1T N C928 25 0M0 201
mance
class according to
IEC 61557-12
45 to 65 Hz
5 % to 120 % In
5 % to 120 % In
50 to 690 VAC
ph/ph
5 % to 100 % Un
100 % to 120 % Un
0 to 5 % Un
rd
th
3
to 17
th
st
19
to 31
rd
st
3
to 31
Other comple-
mentary
characteristics
0.1
0.2
1
0.2
30 to 400 VAC
ph/n
0.5
0.5
0.5
2
5
2
CO NF IG UR AT IO N
Class acc. to
IEC 61000-4-30
if any
5 4
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