330 hasil
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Dianli jianshe
Scopus
ISSN 1000-7229 · Editorial Department of Electric Power Construction · 330 artikel di indeks
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Artikel Jurnal Teks lengkap
Source-Load Coordinated Low-Carbon Demand Response Based on Dynamic Carbon Emission Factors
[Objective] To improve consumer engagement in carbon emission reduction within the power system and to address the insufficient behavioral incentives for users under current carbon emission reduction mechanisms，this paper proposes a source-load coordinated low-carbon demand response mechanism that…
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Coordinated Control Strategy for Current Inner Loops to Enhance Transient Synchronization Stability During LVRT Under Symmetrical Faults
[Objective] Grid-following converters （GFL） are widely employed in renewable energy grid integration systems. When grid faults cause voltage sags，the system enters a low voltage ride-through （LVRT） process. The conventional second-order model of the phase-locked loop （PLL） fails to accurately…
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Electric Vehicle Charging and Discharging Strategy for Distribution Networks Considering Supply and Demand Side Benefits and Three-Phase Imbalance Management
[Objective] The large-scale connection of electric vehicles （EVs） and distributed power sources has exacerbated the three-phase imbalance in distribution networks，and the market-driven orderly charging and discharging of EVs is one of the initiatives to manage the three-phase imbalance，but the…
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Optimal Fault Recovery in Distribution Networks with Multi-State SOP Regulation and Network Reconfiguration
[Objective] Following fault-induced outages in flexible interconnected distribution networks，devices such as Soft Open Points （SOPs） can enable rapid and coordinated power rerouting or support islanded operation. However，existing studies overlook the impact of different control states of flexible…
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Coordinated Control Strategy for Sending-End Converters in Wind-Integrated Real Bipolar MMC-HVDC Systems
[Objective] Modular multilevel converter based high voltage direct current （MMC-HVDC） technology with a real bipolar connection is one of the mainstream technical solutions for efficient grid connection and cross-regional consumption of large-scale islanded wind farms. It has been widely adopted in…
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Research on Hybrid Ultra High Voltage DC Transformer for All-DC Transmission of Renewable Energy Bases
[Objective] To reduce the investment cost of the ultra high voltage DC transformer （UHVDCT） and promote its application in the transmission of large-scale renewable energy bases，a hybrid UHVDCT topology is proposed and a corresponding control strategy is designed. [Methods] The proposed topology is…
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A Bi-Layer Optimization Method for Improved Customer Directrix Line of Distribution Networks Considering Users’ Psychological Discomfort and Voltage Constraint
[Objective] In response to the problem that the incentive mechanism of customer directrix line still has room for improvement and does not consider voltage constraint and low-voltage distribution network users’ psychological discomfort in the implementation process，a bi-layer optimization method…
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Risk-Sharing-Considered Oriented Optimization Approach for Day-Ahead and Intra-Day Demand Response in Virtual Power Plants
[Objective] Amidst the dual pressures of energy scarcity and environmental pollution，the demand for sustainable energy solutions is growing rapidly. To address the dispatch risks caused by the high uncertainty of renewable energy in power systems with high wind and solar penetration，as well as the…
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Analysis of Transient Voltage-Frequency Coupling Mechanisms in Distribution Networks with Distributed Photovoltaic Integration
[Objective] In response to the insufficient distribution network support and altered voltage-frequency coupling characteristics caused by the reduced inertia of the main grid due to large-scale renewable energy integration，this paper studies the transient voltage-frequency coupling mechanisms in…
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Multi-Energy Microgrid Low-Carbon Optimization Scheduling and Robust Solution Method with Low Conservatism Based on Collaborative Comprehensive Demand Side Response
[Objective] To address the negative impacts of renewable energy and load uncertainty on the economic performance and low-carbon optimization operation of multi-energy microgrids，this paper explores the potential of comprehensive demand response and proposes a low-conservatism robust solution method…
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Connotations and Key Technologies of the "Five States" of Digital Twin Power Grids
[Objective] Digital twin power grid is an important component of the new power system. Its current construction is confronted with problems such as diverse demand scenarios and insufficient coordination of technical routes. Therefore，a deeper analysis of the connotations underlying different…
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An Integrated Assessment Method for Power System Transient Stability Based on CBAM-ConvGRU
[Objective] To improve the effectiveness of transient stability assessment in power systems and address evaluation performance degradation under class-imbalance conditions，this paper proposes an integrated multi-task transient stability assessment method based on attention mechanisms and…
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Intelligent Terminals Optimal Configuration Considering Flexible Resource Adjustment and Reliability
[Objective] With the large-scale integration of flexible resources such as distributed generation （DG），energy storage systems （ESS），and soft open points （SOP） in distribution networks，the traditional “two-remote” and “three-remote” terminal configuration methods are no longer sufficient to meet the…
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Operational Strategy for Multi-Energy Cloud Energy Storage in Industrial Parks Considering Electricity-Heat-Gas Load Coupling
[Objective] Most existing multi-energy cloud energy storage （CES） models improve system performance by incorporating additional storage resources，while largely neglecting the potential of underutilized storage assets already embedded in the system. To address this limitation，this paper integrates…
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Two-Stage Distributionally Robust Unit Commitment Considering Dual Uncertainties of Inertia and Wind Power
[Objective] To address the insufficient system frequency response capability caused by the diversification and uncertainty of grid inertia under high renewable energy penetration，this paper proposes a method for unit commitment that considers diverse inertia sources as well as the uncertainties…
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A Model for Participation of Wind Hydrogen Storage Systems in Active Ancillary Services Market Trading to Improve Wind Power Availability
[Objective] In response to the problems of weak bidding ability and market accommodation ability of wind storage systems in the electricity market， and insufficient optimization of peak shaving ability， and in order to promote renewable energy accommodation， a day-ahead trading model for wind…
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Method for Resilience-oriented Optimization and Evaluation of Distribution Networks Considering Load Restoration Prioritization and Dynamic Repair Under Typhoon Disasters
[Objective] To enhance the resilience of distribution networks under typhoon disasters and mitigate the risks of load interruptions and power supply losses caused by natural disasters， this paper proposes a resilience-oriented optimization strategy and evaluation method that accounts for load…
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Load Forecasting for Integrated Energy System Based on Optimized Modal DGRUK Analysis
[Objective] To further explore the potential structure of load sequence data in integrated energy systems （IES） and enhance the overall prediction accuracy and reliability of IES load forecasting models， this paper proposes a novel load forecasting method for IES based on optimized modal…
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Resilience Improvement Strategy for the Electrification-Transportation Coupling Network Based on Safe Deep Reinforcement Learning
[Objective] To address the problems that when large-scale electrification-transportation coupling network （ETCN） encounters sudden resilience faults， traditional schemes have slow generation speed， are difficult to respond to dynamic information interaction in real time， and artificial intelligence…
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Study of Enhancing Energy Storage Density of Polypropylene Film Capacitors by Modified BaTiO3 Nano-fillers
[Objective] Polypropylene （PP） film capacitors are widely used in critical power equipment due to their excellent characteristics such as low loss and high voltage endurance. However， their low dielectric constant limits performance enhancement. [Methods] Increasing the dielectric constant of films…