Some Issues Concerned with PMU-Based Security Control of Electric Interconnected Systems
Journal Title: Advances in Robotics & Mechanical Engineering - Year 2018, Vol 1, Issue 4
Abstract
The increasing consumption of electrical energy requires higher capacity both in generation as in transmission of electric power and expansion of the networks, including interconnection of systems and High Voltage Direct Current (HVDC) links operating in parallel with Alternating Current Circuits (AC). This reinforces the requirement of having reliable wide area control schemes for obtaining an adequate dynamic security. During last years synchronized phasor measurements as part of a Wide Area Measurement System (WAMS) and Wide Area Monitoring, Protection and Control (WAMPAC) have been incorporated in electric systems of several countries becoming an important component for monitoring, control and protection. Phasor measurement units (PMUs) facilitate the realization of several wide-area actions of control. One of them is to keep the equilibrium between the demanded and available power, in particular under sudden disconnections of generation or load. Among the other actions that can be supported by these systems, one very important for the dynamic security of one electric system is the control of electromechanical oscillations helping to prevent system-wide instabilities and blackouts. This short communication provides a conceptual insight on some applications of synchrophasor measurements as a valuable tool for improving the effectiveness of these kind of control actions and therefore the dynamic security of electric systems.
Authors and Affiliations
Patricio Robles
Keywords
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- EP ID EP581445
- DOI 10.32474/ARME.2019.01.000119
- Views 57
- Downloads 0
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