[dwgeopdc-061011-01.tif, 1, en_US]
Figure 9-4
Geometric Representation of a Phasor
Reference Point for Determining the Angle
The phase angle of a measuring signal X
m
is determined relative to a cosine function having a rated frequency,
which is synchronized with the UTC time reference (see Figure 9-5).
[dwutcphi-260112-01.tif, 1, en_US]
Figure 9-5 Determination of Phase Angle ρ of Measuring Signal X
m
Relative to the Cosine Function
Measured Values, Energy Values, and Supervision of the Primary System
9.5 Phasor Measurement Unit (PMU)
1002 SIPROTEC 5, High-Voltage Bay Controller, Manual
C53000-G5040-C015-9, Edition 11.2017
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