Dilog DL9118 - Appendix A

DL9110 / DL9118 Operating Instructions
- 36 -
Appendix A
IEC61557
-
2: Insulation
Intrinsic
error or
influence quantity
Reference conditions or specified
operating range
Designation
code
Intrinsic error
Reference conditions
A
Position
Reference position ±90
o
E
1
Supply voltage
At the limits stated by the manufacturer
E
2
Temperature
0
o
C and 40
o
C E
3
Operating Error
)EEE 1.15|A|(B
2
3
2
2
2
1
+++±=
IEC61557
-
3: Loop Impedance
Intrinsic error or
influence quantity
Reference conditions or specified
operating range
Designation
code
Intrinsic error
Reference conditions
A
Position
Reference position ±90
o
E
1
Supply voltage
At the limits stated by the manufacturer
E
2
Temperature
0
o
C and 40
o
C
E
3
Phase Angle
At a phase angle 0
o
to 18
o
E
6
System Phase
Angle
At a system phase angle 0
o
to 18
o
at
the bottom of the measuring range.
E
6.1
System Phase
Angle
At a system phase angle 0
o
to 30
o
at
the bottom of the measuring range.
E
6.2
System frequency
99% to 101% of the nominal frequency
E
7
System voltage
85% to 110% of the nominal voltage
E
8
Harmonics
5% of 3
rd
harmonic at 0
o
phase angle.
6% of 5
th
harmonic at 180
o
phase
angle.
5% of 7
th
harmonic at 0
o
phase angle.
E
9
DC Quantities
Add additional dc quantities of 0.5% of
nominal voltage of the distribution
system in both polarties.
E
10
Operating Error
)EEEEEEEE 1.15|A|(B
2
10
2
9
2
8
2
7
2
6
2
3
2
2
2
1
++++++++±=
IEC61557
-
4: Resistance of e
arth connection and equipotential bonding
Intrinsic error or
influence quantity
Reference conditions or specified
operating range
Designation
code
Intrinsic error
Reference conditions
A
Position
Reference position ±90
o
E
1
Supply voltage
At the limits s
tated by the manufacturer
E
2
Temperature
0
o
C and 40
o
C
E
3
Operating Error
)EEE 1.15|A|(B
2
3
2
2
2
1
+++±=