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Role of microphasor measurement unit Chapter | 7 187
(A)
Second signal maximum value instant
First signal maximum value instant
X rms
Y rms
β
θ
Zero time instant
(B)
Imaginary X rms First phasor (X p)
θ Y rms Second phasor (Y p)
β
Real
FIGURE 7.4 (A) Two sinusoids signal and (B) synchrophasor technology for two sinusoids signal.
same time reference, two phasors are obtained. Therefore the phase differ-
ence between the two signals along with magnitude information can be accu-
rately obtained. This can be extended to numerous signals to obtain
synchronized measurements. Thus the synchrophasor technology can be
