Hybrid Approach-Based Placement of Micro-Phasor Measurement Units in Active Distribution Networks
The placement of monitoring devices like micro-Phasor Measurement Unit (µPMU), which works 24 hours, at all nodes in the distribution system, is contributing to temperature rise. This temperature rise can be reduced by placing the µPMUs at selected nodes. Therefore, this paper depicted a hybrid approach for µPMUs optimal placement in the distribution system. Optimal placement recognises the placement set containing the least number of µPMUs with optimum redundancy with which the phasors of voltage, as well as the current, can be calculated at each bus of the system. Constraints such as communication link unavailability, zero injection buses, and network reconfiguration are considered in the optimal µPMU placement formulation. The proposed approach overcomes the downside of Integer Linear Programming (ILP) which provides a single optimal location set. The proposed approach automatically assigned µPMUs to buses connected to radial buses, established by the degree of each bus, and reduces the computational concern. Provided algorithm efficiency is checked out with IEEE 40 bus feeder and IEEE 85 bus feeder system under Matlab/Simulink environment.
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