GE L30 Instruction Manual page 490

METERING CHAPTER 6: ACTUAL VALUES
Figure 6-2: Flow direction of signed values for watts and VARs
6
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.
6-12 L30 LINE CURRENT DIFFERENTIAL SYSTEM – INSTRUCTION MANUAL