Volume : 9, Issue : 3, MAR 2023
DRA ANNUAL NATIONAL CONFERENCE ON RESEARCH, EDUCATION AND SUSTAINABLE DEVELOPMENT: OPPORTUNITIES & CHALLENGES
WIDE AREA MONITORING USING OPTIMIZED PHASOR MEASUREMENT UNITS
NARENDRA KUMAR, SANTOSH KUMARI MEENA
Abstract
The A power system is a complex dynamic system made up of interconnected power equipment. It mainly consists of generation, transmission, and distribution units. In the current modern era where almost everything has been modernized for a more efficient, better reliability, and independent monitoring, traditional power grids are also in the transitional process to become a modernized power grid, or widely known as the smart grid. The vision for the smart grid is to monitor and manage the power grid as efficiently as possible while providing better reliability and stability. A phasor measurement unit (PMU) sends time-synchronized data to a phasor data concentrator (PDC), which can provide a control signal to substation devices. Phasor Measurement Unit (PMU) based Wide Area Measurement System (WAMS) can measure power system phasors synchronously and accurately. With the advent of wide-area measurement systems (WAMS), real-time calculations on transmission network condition is possible. One of the advanced technologies used is phasor measurement unit (PMU). PMU is a measurement device that can measure bus voltage phasor at the bus it is installed and the branch current phasor that is adjacent to it, hence, the name. PMU is also equipped with Global Positioning System (GPS), thus, the measurement data provided by the PMU can be calculated real-time due to time-stamping and synchronization. It aligns with smart grid visions to have a better monitoring of the power grid and more reliable. . Furthermore, the cost of the PMU itself is readily expensive although the price is expected to be decreased when there are more demands in future placement of PMUs in a power system.
Keywords
PHASOR MEASUREMENT UNIT (PMU), GLOBAL POSITIONING SYSTEM (GPS), WIDE AREA MONITORING SYSTEMS (WAMS)
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