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CSEE Journal of Power and Energy Systems
Scopus
ISSN 2096-0042 · China electric power research institute · 1,209 articles in the index
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Journal Article
Impedance-Based Islanding Detection for DC Microgrid with Multiple Distributed Generators
This paper proposes an active islanding method based on impedance measurement for DC microgrids with multiple distributed generators (DGs). In the various presented methods, impedance-based islanding detection faces challenges in DC microgrids with multiple DGs due to the randomness of renewable…
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Journal Article
Simultaneous Power Compensation and Ground Fault Elimination in Distribution Networks
The complex working environment of distribution networks tends to cause impermanent single-phase-to-ground (SPG) fault, and high-temperature ground fault arc is prone to endanger lives and power equipment, resulting in large-scale power outages and fire accidents. Thus, fault arc should be…
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Journal Article
Frequency-Domain Equivalent Model of District Cooling Systems for Primary Frequency Regulation
With increasing adoption of intermittent renewable generation, challenges to maintain stable frequencies for power systems are increasing. Demand-side resources, such as thermo-statically controlled loads (TCLs), have been proven capable of providing regulation services. The district cooling system…
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Journal Article
Topology Identification of Low-Voltage Active System Considering Hierarchical Relations and Segment Locations with Multiple Consumers
Accurate topology information is crucial to management and application in an active low-voltage distribution network (LVDN). Existing topology identification (TI) methods mostly lack a systematic framework to obtain precise hierarchical relations and consumers' segment locations. Their performances…
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Journal Article
Modeling VSC with Active/Reactive Current Excitation and Internal Voltage Response for Grid Amplitude/Frequency Modulation Dynamics Analysis
Increasing penetration of power electronic (PE) grid-tied devices has caused more and more dynamic problems with unknown mechanisms. Since grid operation asks for a certain voltage amplitude and frequency level when there is a power imbalance, roles of the PE grid-tied devices during dynamics must…
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Journal Article
Coordinated Low-Carbon Optimal Dispatching on Source-Demand Side for Integrated Electricity-Gas System
With the advancement of the “carbon peaking” and “carbon neutrality” objectives, concerns regarding carbon emissions in energy system dispatching have attracted much attention. The integration of electricity and gas systems (IEGS), with carbon capture power plants and power-to-gas (CCPP-P2G)…
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Journal Article
Double-Machine Equivalent Method for Evaluating Plant- and Unit-Level Stability of Hybrid Grid-Connected Renewable Power Plants
Equivalent models are essential for time-domain simulation and harmonic stability evaluation of renewable power plants. Such harmonic instability may co-occur at the plant-level and unit-level, or it may only occur at the unit-level, manifesting as local resonances. However, conventional equivalent…
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Journal Article
Decoupling Design Method for DC Virtual Inertia and Voltage Loop Stability Margin
Implementation of large virtual inertia with high stability margin is a significant challenge for DC microgrid systems. In this paper, a filter time constant, a new degree of freedom, is utilized to enhance voltage loop stability and its relationship with virtual inertia and stability margin is…
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Journal Article
Adaptive Allocation Strategy for Power Storage in Isolated DC Microgrid with Unmatched Line Impedance and Abnormal Communication
An adaptive droop control strategy is proposed for a parallel distributed multi-energy storage system of an isolated DC microgrid with unmatched line impedance and abnormal communication. System line impedance mismatch can cause unbalanced load power distribution and reduce service life of…
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Journal Article
Reliability Evaluation and Sensitivity Analysis for UHVDC-HC Considering Preventive Maintenance and Inverter Capacity Levels
Preventive maintenance (PM) enhances the reliability of an ultra-high-voltage DC (UHVDC) line. However, it introduces new states and complicates the task of determining the reliability parameters of the component with PM. The hierarchical connection (HC) of the inverter improves the flexibility of…
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Journal Article
Graph Computing Based Knowledge Reasoning in Electric Power System Considering Knowledge Graph Sparsity
Knowledge graph, which is a rapidly developing technology, provides strong support in business and engineering. Knowledge graph plays an important role in recommendations and decision-making, while in the electric power industry, there would be more possibilities for knowledge graph to be utilized…
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Journal Article
Compound Line-Commutated Converter with Commutation Voltage Compensation and Power Consumption Capability for Commutation Failure Suppression
To mitigate commutation failures (CFs) of a line-commutated converter based-high voltage direct current transmission system (LCC-HVDC), an evolved thyristor based full bridge sub-module (ET-FBSM) and a compound LCC (CLCC) topology are proposed with the capability of commutation voltage compensation…
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Journal Article
Transient Power Angle Control for a Droop-Controlled Voltage Source Converter Considering Fault Current Limitation
Voltage source converters (VSCs), equipped with $P-f$ and $Q-U$ droop characteristics, can support a power system from both frequency and voltage. Unfortunately, overcurrent and power angle instability are still challenging aspects of VSCs under fault conditions. Therefore, fault current limitation…
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Journal Article
Hierarchical Robust Expansion Co-planning Model for Multi-Energy Distribution Systems Considering Reconfiguration
Mesh-constructed and radial-operated features call for elaborate consideration of co-planning for multi-energy distribution systems (MEDS). Considering a reconfiguration channel can be constructed in advance to cope with extreme $N$−1 contingencies, this paper proposes a hierarchical robust…
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Journal Article
Simulation of Electromagnetic Fields Emitted from GIS Bushing Due to Disconnectors Switching Operation in 1000 kV Substations
Switching operations of disconnectors emit electromagnetic fields (EMF) to the external environment via gas-to-air bushing, posing a threat to the secondary equipment in gas-insulated substations (GIS) and potentially causing telecommunications outages in nearby residential areas. In this paper, a…
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Journal Article
Suppression Strategy of Background Harmonic Voltage Based on Cooperative Control in Weak Grid
Distributed generation (DG) systems with renewable energy are often connected to weak grids. However, there may be large background harmonics in weak grids, which can easily cause power quality issues at the point of common coupling (PCC). For this reason, DG-grid interfacing inverters are expected…
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Journal Article
Security Constrained Stochastic Unit Commitment Considering Fast Correction Control of Battery Storage and VSC
With the development of power electronics-based units such as battery storage systems (BSS) and voltage source converters (VSC) that can quickly respond, the power system will receive a lot of security benefits from these fast control units. To fully utilize fast correction controls from the BSS…
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