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Zhongguo dianli
Scopus
ISSN 1004-9649 · State Grid Energy Research Institute · 1.983 artikel di indeks
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Artikel Jurnal
A dispatch model for urban distribution networks considering the uncertainty of virtual power plant regulation signals
The integration of large-scale renewable energy sources into the power grid has significantly increased power volatility and uncertainty, posing severe challenges to the secure and economic operation of distribution networks. To address this issue, an optimal scheduling model based on discrete…
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Artikel Jurnal
Fault location method for distribution networks based on traveling wave transfer function difference matrix
In distribution networks, the parameters of overhead lines vary with different frequency bands, which significantly reduces the accuracy of traditional fault location methods that assume constant line parameters. To address this issue, firstly, the mechanism of frequency-dependent variation of…
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Artikel Jurnal
Adaptive protection method for distribution networks with inverter interfaced distributed generation based on equivalent impedance and power angle characteristics
With the widespread adoption of inverter-interfaced distributed generation (IIDG) in high-penetration distribution networks, its nonlinear fault current characteristics—constrained by power electronic control strategies—pose serious challenges to conventional current protection, such as reduced…
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Artikel Jurnal
Dynamic prediction method of power carbon emission intensity based on ISSA-CNN-BiLSTM
Power carbon emission intensity is an important indicator for measuring the carbon emission level of the power system. Accurate calculation and prediction of power carbon emission intensity are of great significance for effectively implementing carbon emission management strategies and…
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Artikel Jurnal
UAV route planning for transmission tower inspection with multi-directional view observation
During the refined inspection of transmission towers by unmanned aerial vehicles (UAVs), a dedicated viewpoint is typically planned for each inspection target on the transmission towers, which requires the UAV to fly over a large number of viewpoints, resulting in low inspection efficiency. This…
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Artikel Jurnal
Multi-agent shared planning of offshore wind power transmission infrastructure based on cooperative game theory
With the large-scale development of offshore wind power, the independent construction of transmission facilities tends to cause excessive investment and resource waste. To address this issue, this paper proposes an integrated framework combining bi-level optimal planning and cooperative game…
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Artikel Jurnal
Optimal configuration of hybrid energy storage capacity based on double-layer decomposition strategy to mitigate wind power fluctuations
To address the threats posed by the strong fluctuations and intermittency of wind power output to the safe and stable operation of the power system and the increased difficulty of grid regulation, a hybrid energy storage capacity allocation strategy based on CEEMDAN-NGO-VMD is proposed to stabilize…
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Artikel Jurnal
A carbon emission factors prediction method for user-side nodes in power grids considering uncertainty of combined wind and solar outputs
To address the problem that existing carbon emission factors calculation methods for nodes in power grids struggle to handle the output uncertainty caused by high-penetration wind and solar energy integration, a prediction method considering the uncertainty of combined wind-solar output is…
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Artikel Jurnal
Multi-stage rolling optimization clearing model considering dynamic capacity bidding of independent energy storage for frequency regulation
In the process of national power market integration, the current time-of-use marginal pricing mechanism of the spot market is mostly based on marginal production costs. However, the core loss of electrochemical energy storage stems from cycle-induced lifespan degradation, making existing market…
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Artikel Jurnal
Reliability assessment of SLCC DC transmission system based on GO-DBN
The multi-source adaptive multi source adaptive statcom and line commutation converter (SLCC) significantly reduces the probability of commutation failure. DC transmission systems based on SLCC offer higher transmission efficiency and improved stability, and have now progressed to physical…
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Artikel Jurnal
Operation optimization of central heating system coupled with green power peak-shaving based on bounded rationality
To address the pronounced problems of long regulation time lag and severe indoor temperature unevenness in central heating, the central-heating peak-shaving systems achieves regulation optimization through a combined heating mode of basic central-heating guarantee and fluctuating supplement by the…
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Artikel Jurnal
A power regulation method for improving operation and maintenance efficiency of large-scale dynamic reconfigurable battery energy storage power stations
Dynamically reconfigurable batteries can achieve intrinsically safe operation through flexible topological reconfiguration by an internal power electronics network. However, the real-time and independent reconfiguration of the battery network inside each energy storage unit leads to disparate…
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Artikel Jurnal
Multi-dimensional evaluation of renewable energy plant access strategy considering node centrality
At present, the installed capacity of renewable energy in China is growing rapidly. However, differences of renewable energy stations in access nodes, grid connection structures, and organizational modes lead to unclear grid-integration characteristics, posing a critical challenge to power system…
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Artikel Jurnal
Multi-time scale optimal scheduling of port microgrids considering flexible loads and electric ships
To address the problems of limited wind-solar accommodation capacity and insufficient utilization of adjustable resources in port microgrids, this paper proposes a multi-time scale optimal scheduling strategy for port microgrids considering flexible loads and electric ships. Firstly, the system…
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Artikel Jurnal
Wind power prediction based on PCA and SOFTS fusion model
In order to improve the prediction accuracy and robustness of non-stationary wind power series, a wind power prediction method based on principal component analysis (PCA) and series-core fused time series forecaster (SOFTS) is proposed in this paper. Firstly, PCA is used to calculate the principal…
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Artikel Jurnal
Collaborative optimization strategy for flexible distribution areas based on comprehensive control devices
To address the problems such as increasing line losses, voltage limit violations, and three-phase unbalances caused by the integration of high-penetration distributed photovoltaic (PV) into distribution areas, this paper proposes a collaborative optimization strategy based on comprehensive control…
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Artikel Jurnal
A dual-attention TCN-BiGRU short-term electricity-carbon price coupling prediction method incorporating time-series fluctuation information mining
Accurate forecasting of short-term spot electricity and carbon prices is crucial for decision-making in electricity market trading, carbon market operation, and their coordinated management. However, electricity and carbon price series are influenced by multiple complex factors, including energy…
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Artikel Jurnal
Intelligent substation model conversion method based on multi-dimensional similarity optimization and XSLT
In order to meet the higher requirements of information interconnection put forward by the in-depth construction of intelligent substations, it has become a key bottleneck in the development of intelligent substations to solve the heterogeneous problem of IEC 61850 substation configuration…
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Artikel Jurnal
Deep reinforcement learning-driven decision-making paradigm for electricity-carbon-hydrogen collaboration
To achieve synergistic optimization of low-carbon energy systems, electricity-carbon-hydrogen synergy has become one of the critical pathways. However, its high dimensionality, nonlinearity, and strong uncertainties limit traditional optimization methods. Deep reinforcement learning (DRL), with its…
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Artikel Jurnal
The connotation, characteristics and construction ideas of the new rural energy system
The new rural energy system is the intersection of the two major strategies of green and low-carbon energy transition and rural revitalization. Clarifying its connotation and construction ideas has the theoretical value for achieving high-quality development. Based on an analysis of the development…
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