Abstract
In today’s world, a Phasor Measurement Unit (PMU) is a crucial component of our power network for managing, controlling, and monitoring. PMU can provide synchronized voltage current, and frequency measurements in real time. We can't put a PMU in every bus in the electrical grid because it's not viable from a productivity and economic standpoint, and it's also not practical for handling huge data. As a result, it's critical to reduce the amount of PMU in the power network while also increasing the power network's observability. The optimal PMU placement problem is solved using a variety of methodologies. The paper's main goal is to provide a brief overview of synchrophasor technology, phasor measurement units (PMU), and optimal PMU placement in order to reduce the number of PMUs in the system while maintaining complete observability and application in today's power systems.
Highlights
The electric power network is a key piece of infrastructure, and as we all know, the need for electricity in numerous fields is growing by the day
This paper provides a brief overview of the Phasor Measurement Unit (PMU), several methods of PMU placement, and previous and ongoing research in the topic of optimal PMU placement in the power network
Abedelsalam proposed FPA to find the optimal location of PMU in the power network .The aim of the work is to determine the minimum number of PMU and to achieve the full network observability .The results they have given shows that the FPA is capable of solving the optimal PMU placement (OPP) problem in normal case, in the case of loss of PMU and in the case of line failure & improve the system reliability & it gives complete observability of the power network during loss of PMU
Summary
The electric power network is a key piece of infrastructure, and as we all know, the need for electricity in numerous fields is growing by the day. For proper and stable power system functioning, regular monitoring and accurate measurement are required. Measurements from supervisory control and data acquisition(SCADA) are used to estimate the state of the connected power network. The phasor measuring unit is based on global positioning system(GPS) techniques and is one of the system's essential key elements. It can be used for network monitoring, control, and state estimate. Nowadays, advanced and accurate measurement devices are required for stable power network operation. It employs Wide Area Measurement System(WAMS) to provide synchronized time tag phasor measurement. This paper provides a brief overview of the PMU, several methods of PMU placement, and previous and ongoing research in the topic of optimal PMU placement in the power network
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