Online Detection of Out-of-Step Condition Using PMU-Determined System Impedances

Tealane, Marko; Kilter, Jako; Popov, Marjan; Bagleybter, O.; Klaar, Danny

doi:10.1109/access.2022.3149103

Cited by 11 publications

(5 citation statements)

References 31 publications

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“…[127] This approach can identify an OOS state more accurately and reliably, with a smaller probability of false alarms or missed detection. [128] This proposed algorithm provides faster tripping (up to 200 ms) than traditional impedance-based OOS methods, making it more reliable.…”

Section: Ref Nomentioning

confidence: 95%

Real-Time Grid Monitoring and Protection: A Comprehensive Survey on the Advantages of Phasor Measurement Units

et al. 2023

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The emerging smart-grid and microgrid concept implementation into the conventional power system brings complexity due to the incorporation of various renewable energy sources and non-linear inverter-based devices. The occurrence of frequent power outages may have a significant negative impact on a nation’s economic, societal, and fiscal standing. As a result, it is essential to employ sophisticated monitoring and measuring technology. Implementing phasor measurement units (PMUs) in modern power systems brings about substantial improvement and beneficial solutions, mainly to protection issues and challenges. PMU-assisted state estimation, phase angle monitoring, power oscillation monitoring, voltage stability monitoring, fault detection, and cyberattack identification are a few prominent applications. Although substantial research has been carried out on the aspects of PMU applications to power system protection, it can be evolved from its current infancy stage and become an open domain of research to achieve further improvements and novel approaches. The three principal objectives are emphasized in this review. The first objective is to present all the methods on the synchro-phasor-based PMU application to estimate the power system states and dynamic phenomena in frequent time intervals to observe centrally, which helps to make appropriate decisions for better protection. The second is to discuss and analyze the post-disturbance scenarios adopted through better protection schemes based on accurate and synchronized measurements through GPS synchronization. Thirdly, this review summarizes current research on PMU applications for power system protection, showcasing innovative breakthroughs, addressing existing challenges, and highlighting areas for future research to enhance system resilience against catastrophic events.

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Section: Ref Nomentioning

confidence: 95%

Real-Time Grid Monitoring and Protection: A Comprehensive Survey on the Advantages of Phasor Measurement Units

et al. 2023

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“…In [96], on the contrary, PMU data are used to refine resistance measurements, which leads to an increase in the quality of automation. In [97,98], approaches to improving the AESM installed on the generator are proposed. In the first case, the PMU data are used to improve the quality of work relative to the traditional approach to determining asynchronous running, reminiscent of ECS algorithms.…”

Section: Phasor Measurements and Aesmmentioning

confidence: 99%

Directions of Application of Phasor Measurement Units for Control and Monitoring of Modern Power Systems: A State-of-the-Art Review

Pazderin,

Zicmane,

Senyuk

et al. 2023

Energies

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The development of modern power systems is directly related to changes in the traditional principles of management, planning, and monitoring of electrical modes. The mass introduction of renewable energy sources and control devices based on power electronics components contributes to changing the nature of the flow of transient and quasi-established electrical modes. In this area, the problem arises of conducting a more accurate and rapid assessment of the parameters of the electrical regime using synchronized vector measurement devices. The paper presents an extensive meta-analysis of the modern applications of phasor measurement units (PMUs) for monitoring, emergency management and protection of power systems. As a result, promising research directions, the advantages and disadvantages of the existing approaches to emergency management, condition assessment, and relay protection based on PMUs are identified.

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“…OOS detection based on PMU-determined impedances [16] The method is more secure and provides faster OOS detection than conventional solutions.…”

Section: Proposed Approachmentioning

confidence: 99%

Out-of-Step Protection Based on Discrete Angle Derivatives

Tealane

Kilter

Bagleybter³

et al. 2022

IEEE Access

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This paper presents an out-of-step protection algorithm based on angle derivatives, which makes use of wide-area measurements and can be applied on arbitrary tie-lines in electrical power systems. The developed algorithm uses PMU measurements that are taken at both ends of a transmission line. Based on the changes of the electrical quantities in the power system, the algorithm detects unstable system conditions. Thus, the developed solution is settingless and can be easily applied where an outof-step condition is expected. The concept is deployed by using an industrial controller and tested by conducting numerous hardware-in-the-loop simulations. Additionally, recorded data from actual out-of-step events in the Icelandic power system are used to validate the developed algorithm. The performance of the implemented method is compared against the traditional impedance-based out-of-step protection methods. The results confirm that the proposed algorithm detects out-of-step conditions more reliably and faster than the traditional impedance-based solutions.INDEX TERMS Out-of-step protection, power system transient stability, tie-lines, real-time HiL testing.

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Online Detection of Out-of-Step Condition Using PMU-Determined System Impedances

Cited by 11 publications

References 31 publications

Real-Time Grid Monitoring and Protection: A Comprehensive Survey on the Advantages of Phasor Measurement Units

Real-Time Grid Monitoring and Protection: A Comprehensive Survey on the Advantages of Phasor Measurement Units

Directions of Application of Phasor Measurement Units for Control and Monitoring of Modern Power Systems: A State-of-the-Art Review

Out-of-Step Protection Based on Discrete Angle Derivatives

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