CHAPTER 6: ACTUAL VALUES METERING
D30 LINE DISTANCE PROTECTION SYSTEM – INSTRUCTION MANUAL 6-13
6
Figure 6-3: Flow direction of signed values for watts and VARs
6.4.1.2 UR convention for measuring phase angles
All phasors calculated by URs and used for protection, control and metering functions are rotating phasors that maintain
the correct phase angle relationships with each other at all times.
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