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481
Analysis of the Influence of Renewable Generator Frequency Endurance Capability on Low-Frequency Load Shedding: A Hunan Case Study
Published 2020-01-01“…With the rapid development of renewable generators such as distributed photovoltaic and profound changes of the power structure, this paper analyzes the frequency characteristics of the power system with high penetration of renewable generations in the process of low-frequency load shedding and discusses the influence of the distributed renewable generator frequency endurance capabilities on the implementation effect of low-frequency load shedding in detail. …”
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482
Analysis of the influence of surface deformation on the stability of overhead transmission lines and countermeasures
Published 2025-01-01“…The research has shown that surface deformation can cause suspension points to become stress concentration areas, leading to deformation or damage of suspension plates and their fixing components, thereby affecting the stability of the power system. To accurately assess these impacts, it is recommended to use high-precision measuring instruments for regular data collection and analysis. …”
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483
Energy Management System for Smart Grid in the Presence of Energy Storage and Photovoltaic Systems
Published 2023-01-01“…The proposed controller, while automatically and dynamically adapting to the solar cell output changes, is capable of responding to external requests, such as price signals or satisfying power system constraints or operator requests. In addition, the results indicate that by using the proposed energy management system, the microgrid system can regain stability during one to two cycles, during the occurrence of PV system radiation changes as well as ESS charge changes. …”
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484
Design and Implementation of Multifunction Relay Based on Microcontroller
Published 2021-09-01“… The power systems are exposed to many abnormal conditions, so an advanced protection system must be provided to stand up to these challenges. …”
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485
EVALUATION OF THE EFFICIENCY OF THE DEVICE FOR LIMITING TENSION OF THE WIRE IN A SHORT CIRCUIT
Published 2017-07-01“…The commis sioning of new capacities is inevitably accompanied by an increase in short circuit currents in the nodes of the grid, so the need to limit peaks of tension arising in a short-circuit can acquire a special relevance at a certain stage of development of the power system. At short circuit currents over 40 kA the mechanical force and displacement of the wires can have a decisive influence on the structural performance of flexible bus as of single wires as well as of split phases. …”
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486
UniLF: A novel short-term load forecasting model uniformly considering various features from multivariate load data
Published 2025-02-01“…Abstract Accurate short-term load forecasting (STLF) provides important support for the economic and stable operation of the power system. Although various deep learning methods have achieved good results in STLF, they usually model load features only from a limited perspective, i.e., they do not uniformly utilize the three features of multivariate load data: the influence of covariates, multiscale features and local-global variations. …”
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487
A Model Predictive Control Framework for Combining Energy Arbitrage and Power Quality Applications From Energy Storage Systems
Published 2024-01-01“…This is achieved without impacting market revenues while satisfying all power system and ESS constraints. Simulation results indicate that power quality applications such as voltage regulation and power factor correction can be stacked with arbitrage without significantly impacting arbitrage revenues and in some cases even improving the revenues. …”
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488
Differentially Private Clustered Federated Load Prediction Based on the Louvain Algorithm
Published 2025-01-01“…Load forecasting plays a fundamental role in the new type of power system. To address the data heterogeneity and security issues encountered in load forecasting for smart grids, this paper proposes a load-forecasting framework suitable for residential energy users, which allows users to train personalized forecasting models without sharing load data. …”
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489
Power Prioritization and Load Shedding in an Island with RESs Using ABC Algorithm
Published 2020-01-01“…In instances where power demand exceeds generation within islanded microgrid or due to an occurrence of a contingency, optimum load shedding should be put in place so as to enhance system security and stability of the power system. Load shedding is traditionally done based on undervoltage measurements or underfrequency measurements of a given section of the grid. …”
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490
Analysis of Transient Voltage Stability in a Low Voltage Distribution Network Using SST for the Integration of Distributed Generations
Published 2018-01-01“…Models of a low voltage distribution network using a typical tertiary-structure solid state transformer (SST) for the integration of distributed generations (DGs) and a conventional low voltage distribution network integrated with DGs were established to study the transient voltage stability issue, using the power system simulation software PSCAD. Effects on the transient voltage stability of the load bus and DC bus in the SST system are analyzed when grid-side cable line faults (such as short circuit and line disconnection) occur or the total output of DGs drops greatly. …”
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491
UPFC Subsynchronous Oscillation Suppression Strategy Based on Linear Active Disturbance Rejection Control
Published 2025-02-01“…Large-scale doubly-fed wind farms connected through series-compensated transmission lines are prone to subsynchronous oscillations (SSO), which can cause wind turbines to disconnect from the grid, posing a serious threat to the safe and stable operation of the power system. This paper proposes a control method that utilizes a unified power flow controller (UPFC) with additional damping control to mitigate SSO. …”
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492
Low‐carbon scheduling model of multi‐virtual power plants based on cooperative game considering failure risks
Published 2024-12-01“…The results show that the economic and low‐carbon performance of multi‐VPPs can be improved by applying the cooperative game, which can also enhance the power system ability of resisting line faults.…”
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493
Assessment of economic efficiency of hydrogen production using wind and solar energy
Published 2025-01-01“…To study the economic efficiency of hydrogen production by electrolysis based on electricity generated by wind power plants and photovoltaic converters, depending on the configuration of the power system and external conditions. Methods. The cost of produced hydrogen was determined depending on the technical and economic indicators of energy sources, wind speed and the arrival of solar radiation on the earth's surface. …”
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494
Low Carbon Operation Optimization of lntegrated Energy System with Reversible Solid Oxide Cell
Published 2025-01-01“…Currently,high proportions of renewable energy are consumed by power systems,resulting in increased carbon emissions that adversely affect the environment. …”
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495
Benefits of Multi-Terminal HVdc Under Extreme Conditions via Production Cost Modeling Analyses
Published 2024-01-01“…First, the PCM model of a general MTdc grid is developed to be seamlessly added to existing scalable PCM model of an ac power system. Second, a method for modeling extreme operating conditions, including heatwave and wildfire, in PCM is presented. …”
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496
Model-Based Detection of Coordinated Attacks (DCA) in Distribution Systems
Published 2024-01-01“…However, enhanced connectivity results in heightened system vulnerability towards cybersecurity risks in the cyber-physical power system. Coordinated cyber-attacks (CCA), when undetected, lead to system-wide impact in terms of large disturbances or widespread outages. …”
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497
Interpretable DWT-1DCNN-LSTM Network for Power Quality Disturbance Classification
Published 2025-01-01“…In addition, a large number of nonlinear loads are connected to the grid, resulting in frequent power quality disturbances (PQDs), which pose challenges to the stability and reliability of the power system. Accurate identification of these disturbances is crucial for effective grid management and protection. …”
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498
The Generation Load Aggregator Participates in the Electricity Purchase and Sale Strategy of the Electric Energy–Peak Shaving Market
Published 2025-01-01“…It can be seen that the model proposed in this paper can reduce the peak and valley pressure as well as the control pressure of the power system from the load side. By participating in the peak shaving market, the transferable loads within the generation load aggregators can give full play to its adjustable characteristics, thereby reducing the cost of electricity consumption and increasing its profit, and providing a certain theoretical basis for the electricity market management to design the rules for adjustable users to enter the electricity market.…”
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499
Detailed Nonlinear Modeling and High-Fidelity Parallel Simulation of MMC With Embedded Energy Storage for Wind Farm Grid Integration
Published 2024-01-01“…Integration of renewable energy is increasingly prevalent, yet its stochasticity may compromise the stability of the power system. In this paper, a high-voltage dc (HVDC) link model based on the modular multilevel converter with embedded energy storage (MMC-EES) is presented and, utilizing the massively parallel computing feature of the graphics processing unit (GPU), its efficacy in compensating a varying wind energy generation is studied. …”
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500
A Reliable Approach for Solving Transmission Network Expansion Planning with Objective of Planning Cost Reduction
Published 2022-04-01“…The first term is related to the sum of investment costs which is the construction cost of new lines; the second term is related to the expected operation costs, which is the expected cost of generation in the power system. The third term is related to the cost of load curtailment. …”
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