ABB Relion 670 Series Applications Manual page 384

Section 14
Monitoring
first phase will be used as reference channel and compared with the curve for calculation of factors. The
factors will then be used for all related channels.
IMagComp5
IMagComp30
IMagComp100
Degrees
IAngComp30
IAngComp5
IAngComp100
ANSI05000652 V3 EN-US
Figure 198: Calibration curves
14.1.6.1 Setting examples
Three setting examples, in connection to Measurement function (CVMMXN), are provided:
• Measurement function (CVMMXN) application for a OHL
• Measurement function (CVMMXN) application on the secondary side of a transformer
• Measurement function (CVMMXN) application for a generator
For each of them detail explanation and final list of selected setting parameters values will be provided.
Measurement function application for a 380kV OHL
Single line diagram for this application is given in figure 199:
378
Magnitude
% of In
compensation
+10
5 30
-10
Angle
compensation
+10
5 30
-10
The available measured values of an IED are depending on the actual hardware (TRM)
and the logic configuration made in PCM600.
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0-5%: Constant
5-30-100%: Linear
>100%: Constant
1MRK 505 370-UUS Rev. K
Measured
current
100
% of In
Measured
current
100
% of In
ANSI05000652_3_en.vsd
Busbar protection REB670
Application manual
SEMOD54481-4 v5
SEMOD54481-12 v11