Title: DOCA0005EN-12.pdf
DOCA0005EN-12127Power, energy and power factoriEM3000 series user manualEnergy delivered (imported) / energy received (exported)The meter interprets energy delivered (imported) or received (exported) according to the direction of real power (P) flow.Energy delivered (imported) means positive real power flow (+P) and energy received (exported) means negative real power flow (-P).QuadrantReal (P) power flowEnergy delivered (imported) or received (exported)Quadrant 1Positive (+)Energy delivered (imported)Quadrant 2Negative (-)Energy received (exported)Quadrant 3Negative (-)Energy received (exported)Quadrant 4Positive (+)Energy delivered (imported)Power factor (PF)Power factor (PF) is the ratio of real power (P) to apparent power (S), and is a number between 0 and 1.PFP ---= S