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iEnergy
Scopus
ISSN 2771-9197 · Tsinghua University Press · 175 artikel di indeks
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Artikel Jurnal
A data-driven rapidly predictive identification method for the sub/super-synchronous oscillation dominant frequency of the new energy power system
The sub/super-synchronous oscillation caused by the interaction between renewable energy generation and the power grid seriously affects the stability of the power system. A data-driven rapidly predictive identification method for the dominant oscillation frequency of sub/super-synchronous…
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Artikel Jurnal
Reliability improvement based on optimized modulations and rotating shedding frequency in modular DAB EV chargers
Modular dual-active-bridge (DAB) converter is widely used for fast electric vehicle (EV) charging due to galvanic isolation and high power processing capability. However, the increasing high power demand for EV chargers introduces new challenges in ensuring the high reliability of power conversion…
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Artikel Jurnal
Vortex-driven triboelectric nanogenerator for multidirectional wind energy collection with humidity resistance
Wind energy is an environmentally friendly and sustainable energy source that is abundantly available in nature. Wind energy collection devices based on triboelectric nanogenerators (TENGs) can efficiently collect distributed wind energy in the environment. In this work, we propose a TENG to…
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Artikel Jurnal
Secured multilevel transactive energy market: Electrical-communication co-simulation
Despite growing interest in decentralized multilevel energy markets, challenges persist in security, privacy, and coordination among distributed energy resource operators (DEROs), distribution system operators (DSOs), and transmission system operators (TSOs). Current approaches often rely on…
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Artikel Jurnal
Review on accelerated degradation mechanisms of electrical insulation in power electronic equipment under the pulsed electric field
Due to prolonged exposure to pulsed voltage during operation, the insulation systems of power electronic equipment are susceptible to premature degradation and failure, which seriously affect the operation of the power system. Therefore, it is important to explore the accelerated degradation…
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Artikel Jurnal
Surface discharge behavior and simulation analysis of transformer oils with varying hydrocarbon compositions
The rapid development of ultra-high voltage direct current (UHVDC) transmission has sharply increased the demand for high-performance insulating oils. However, the limited supply of premium naphthenic oils such as KI50X necessitates viable alternatives. This study compares the surface discharge…
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Artikel Jurnal
An intra-string distributed and inter-string decentralized control method for hybrid series-parallel microgrids
The hybrid series-parallel microgrid attracts more attention by combining the advantages of both the series-stacked voltage and parallel-expanded capacity. Low-voltage distributed generations (DGs) are connected in series to form the intra-string, and then multiple strings are interconnected in…
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Artikel Jurnal
Power system carbon emission flow analysis considering multiple operating conditions for power sources
The real-time and accurate calculation of electricity indirect carbon emissions is not only the critical component for quantifying the carbon emission levels of the power system but also an effective mean to guide electricity users in carbon reduction and promote power industry low-carbon…
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Artikel Jurnal
Flexible resource allocation for power systems to maximize diversified values in resilience, carbon reduction and renewable energy consumption
The energy transition inspired by carbon neutrality targets and the increasing threat of extreme events raise multi-objective development requirements for power systems. This paper proposes a multi-objective resource allocation model to determine the type, number and location of flexible resources…
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Artikel Jurnal
A programmable frequency scan algorithm based on harmonic balance
This paper presents a programmable frequency scan algorithm based on harmonic balance. The core idea involves treating systems under perturbation as nonlinear time-periodic (NTP) systems. Steady-state harmonics are first solved via Newton‒Raphson iteration through a set of nonlinear equations, and…
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Artikel Jurnal
Dynamic virtual power plants: A comprehensive review of architectures, control strategies, and grid support capabilities
The increasing penetration of inverter-based resources (IBRs) and renewable energy resources poses significant challenges to the stability and controllability of modern power systems. Dynamic virtual power plants (DVPPs) have emerged as a transformative solution for aggregating and controlling…
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Artikel Jurnal
Propagation characteristics of pressure waves caused by arc discharge in oil under impulse voltage
Arc faults within the transformers can generate sudden pressure surges, constituting significant hazards that may precipitate oil tank explosions and severely compromise power system stability. Conventional power−frequency arc discharge experiments encounter limitations in isolating pressure wave…
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Artikel Jurnal
Short-term photovoltaic output prediction based on spatial downscaling NWP data and CNN-iTransformer-LSTM model
To enhance the accuracy of short-term photovoltaic power output prediction and address issues such as insufficient spatial resolution of meteorological forecast data and weak generalization ability of models, this paper proposes a prediction method that integrates spatial downscaling meteorological…
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Artikel Jurnal
Dependable dynamic capacity provision of wind-storage plants
Although wind energy is volatile, the output of a wind-storage plant is partially dispatchable, making it a promising paradigm on the generation side. A grid-friendly wind-storage plant ought to be able to continuously output the desired power over a certain period of time. This paper proposes a…
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Artikel Jurnal
Eggshell-inspired high-load rigid porous microcapsules for efficient self-healing of multimodal damage in insulating materials
To address the inherent trade-off between mechanical strength and repair efficiency in conventional microcapsule-based self-healing technologies, this study presents an eggshell-inspired approach for fabricating high-load rigid porous microcapsules (HLRPMs) through subcritical water etching. By…
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Artikel Jurnal
Two-stage optimization of route, speed, and energy management for hybrid energy ship under sea conditions
As future ship system, hybrid energy ship system has a wide range of application prospects for solving the serious energy crisis. However, current optimization scheduling works lack the consideration of sea conditions and navigational circumstances. Therefore, this paper aims at establishing a…
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Artikel Jurnal
Fusion of deep learning and machine learning methods for hourly locational marginal price forecast in power systems
In this paper, we propose STPLF, which stands for the short-term forecasting of locational marginal price components, including the forecasting of non-conforming hourly net loads. The volatility of transmission-level hourly locational marginal prices (LMPs) is caused by several factors, including…
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Artikel Jurnal
Stability assessment of inverter-dominated power systems considering coupling between phase angle and voltage dynamics
The integration of renewable energy sources (RESs) with inverter interfaces has fundamentally reshaped power system dynamics, challenging traditional stability analysis frameworks designed for synchronous generator-dominated grids. Conventional classifications, which decouple voltage, frequency…
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Artikel Jurnal
Energy storage configuration model for reliability services of active distribution networks
The volatility introduced by the integration of renewable energy poses challenges to the reliability of power supply, increasing the demand for energy storage in distribution networks. Shared energy storage in distribution networks can participate in energy storage allocation as a provider of…