110
6.7 Measuring Harmonic
Phase-angle data for each order of harmonic
Outflow
• In the event of inflow, an order of harmonic flows into the load.
In the event of outflow, the harmonic flows out from the load.
• The length of the vector represents the ratio of the apparent
power of the order of harmonic as a percentage of the appar-
ent power of the fundamental component.
• The x-axis represents active power and the y-axis represents
reactive power. They are plotted on log axes.
• When the reactive-power-meter method is turned ON on the
measurement setting screen, the harmonic-power phase angle
is expressed as a number between 0 and
the reactive-power-meter method is OFF, the phase angle is
expressed as a number between 0 and
Inflow
±
The order is changed
using
of the cursor
key. The vector of the
on-screen order is
marked with "+" at its tip.
±
180 degrees. When
180 degrees.
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