Accurate modelling of discrete AGC controllers for interconnected power systems

Pathak, Nikhil; Bhatti, T. S.; Verma, Ashu

doi:10.1049/iet-gtd.2016.1864

Cited by 17 publications

(5 citation statements)

References 18 publications

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“…To keep abreast of technological advancement, some major challenges, such as dynamic modeling, security constraints, and adjustments to the frequency control requirements, have been explored [32]- [34]*. Studies on Generation Rate Constraint (GRC), one of the significant constraints in frequency response and modeling analysis, began in 1983 [35]*.…”

Section: B Post-event Concernsmentioning

confidence: 99%

Frequency Event Detection and Mitigation in Power Systems: A Systematic Literature Review

Farooq

Bass

2022

IEEE Access

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Modern power systems characterized by complex topologies require accurate situational awareness to maintain an adequate level of reliability. Since they are large and spread over wide geographical areas, it is inevitable that failures will occur. Various generation and transmission disturbances, such as generator and transmission line tripping and load disconnection, give rise to a mismatch between generation and demand, which manifest as frequency events. These events can take the form of negligible frequency deviations or more severe emergencies that can precipitate cascading outages, depending on the severity of the disturbance and efficacy of remedial action schema. The impacts of such events have become more critical recently due to increased levels of renewable penetration and distributed energy resources, which have caused a decline in system synchronous inertia. Due to the repercussions, it is indispensable to arrest such disturbances on time by activating primary frequency control measures. In this paper, a comprehensive systematic literature review is presented on the techniques used for event detection in power systems and the methods of primary frequency response in modern power systems. The paper also highlights the impacts of severe frequency events within power systems.

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Section: B Post-event Concernsmentioning

confidence: 99%

Frequency Event Detection and Mitigation in Power Systems: A Systematic Literature Review

Farooq

Bass

2022

IEEE Access

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“…The power system in each area contains the classic synchronous generators (thermal, hydro, and gas), and DVPP. The classic synchronous generators (thermal, hydro, and gas) are mathematically modeled by transfer functions as given in [11,27]. In this paper, the two wind turbines type IV (PMSG-based wind turbine model) are modeled in detail to take into account the role of DVPP and all dynamic interactions.…”

Section: Simulation Benchmark and Control Strategy For Direct Partici...mentioning

confidence: 99%

Direct Participation of Dynamic Virtual Power Plants in Secondary Frequency Control

Adabi

Marinescu

2022

Energies

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This paper proposes a novel control strategy in which Renewable Energy Sources (RES) considered in a new Dynamic Virtual Power Plant (DVPP) concept directly participate to Secondary Frequency Control (SFC). This allows full participation of these generators to SFC, i.e., in the same manner as classic synchronous generators by fulfilling identical specifications from both control and contractual points of view. An internal real-time redispatch has been proposed to account in DVPP in order to determine the amount of active power injection by each RES unit for the provision of frequency support at the secondary level. The whole control scheme is designed to take into account both rapid and slow dynamics of modern power systems which contain both classic synchronous generators and rapid power electronics for renewable energy sources in which DVPP is supposed to be inserted. The performance of secondary frequency control strategy has been validated through simulation studies on a two-area benchmark with mixed wind power plants and classic synchronous generators. This work is part of the H2020 POSYTYF project

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“…Based on the above algorithm, the multimedia digital real-time signal transmission method is further optimized.If the standard value of multimedia digital real-time signal transmission in a secure environment is e, in order to avoid other factors interference, ensure the information security of users, and avoid the problem of transmission data leakage.Combined with probability and statistics algorithm, the transmission signal is authenticated and judged.In the process of signal transmission, the user's identity information and password, scanning information and related digital password are authenticated and retrieved [15].After the realization of identity authentication, the real-time signal transmission protocol is further optimized. Aiming at the non coordinated real-time signal transmission characteristics, fuzzy inference technology is used to provide technical support for automatic modulation recognition of signal.After acquiring the new real-time signal transmission characteristics, it is necessary to judge whether the previous priority thread of real-time signal transmission is blocked and whether the latter priority thread is occupied, and observe the likelihood of different real-time signal transmission signals.The specific calculation formula is as follows:…”

Section: The Realization Of Multimedia Digital Real-time Signal Transmentioning

confidence: 99%

Research on multimedia digital real-time signal transmission based on probability and statistics

Li¹,

Yu²,

ma³

2020

Proceedings of the 13th EAI International Conference on Mobile Multimedia Communications, Mobimedia 2020, 27-28 August 2020, Cy

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Aiming at the problem of poor transmission effect and low transmission integrity of multimedia digital real-time signal, this paper studies the optimization, and puts forward a method of multimedia digital real-time signal transmission based on probability and statistics method.Based on the principle of information feature collection, a real-time signal transmission model of multimedia digitization is constructed, and the transmission rate of multimedia digitization real-time signal is effectively controlled according to the collected information, so as to ensure the integrity of signal transmission.Finally, the experiment proves that the multimedia digital real-time signal transmission method based on probability statistics method has high integrity and can better improve the signal transmission effect.

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Accurate modelling of discrete AGC controllers for interconnected power systems

Cited by 17 publications

References 18 publications

Frequency Event Detection and Mitigation in Power Systems: A Systematic Literature Review

Frequency Event Detection and Mitigation in Power Systems: A Systematic Literature Review

Direct Participation of Dynamic Virtual Power Plants in Secondary Frequency Control

Research on multimedia digital real-time signal transmission based on probability and statistics

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