Power Quality and Power Measurement Unit
In this application, PMU measurement data are used to understand the power follow from wind turbine source from west side to Tx to the load in East side of TX.
However, as the PMUs are costly instruments, they must be placed at critical buses or optimal places such that the power network is fully or partially observable. The optimal PMU placement (OPP) problem is significant for power network planning and providing a better monitoring system .
Without any PMU installation, a bus with a voltage measurement already meets the observability criteria. Power Flow Measurements: Using the voltage phasor of one terminal as a starting point, one may compute the voltage phasor of the other terminal bus.
PMUs are capable of capturing samples from a waveform in quick succession and reconstructing the phasor quantity, made up of an angle measurement and a magnitude measurement. The resulting measurement is known as a synchrophasor.
This means every bus in the power system should be either directly measured by a PMU or indirectly observable through network topology and electrical laws (Kirchhoff's laws) . Redundancy and Reliability Constraints: The placement strategy should provide measurement redundancy to maintain observability even during PMU failures.
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