Optimal placement of phasor measurement units considering communication unavailability

Phasor Measurement Units (PMUs) are being employed in power system to achieve better monitoring and control of power grid. Due to their high cost, PMUs are placed at some strategic locations. However, while upgrading a power system monitoring structure, engineers may face problem of no communication facility at a bus. PMUs need a sound communication structure so that it can perform time-synchronized measurements by communicating with the GPS Satellites. This paper presents an optimal placement algorithm of Phasor Measurement Units (PMU) placement approach in a system where communication facility is limited. IEEE 14 bus system was selected and existing optimal PMU placement algorithms are modified considering the presence of power flow and power injection measurements.