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ISSN: 2096-5117
CN: 10-1551/TK
e-ISSN: 2590-0358

MicroGrid Designer: user-friendly design, operation and control assist tools for resilient microgrid and autonomous community

During this decade, many countries have experienced natural and accidental disasters, such as typhoons, floods, earthquakes, and nuclear plant accidents, causing catastrophic damage to infrastructures....

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Sub-synchronous frequency domain-equivalent modeling for wind farms based on rotor equivalent resistance characteristics

The equivalent simplification of large wind farms is essential for evaluating the safety of power systems. However, sub-synchronous oscillations can significantly affect the stability of power systems....

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Review on key technologies and typical applications of multi-station integrated energy systems

To realize the low-carbon development of power systems, digital transformation, and power marketization reform, the substation, data center, energy storage, photovoltaic, and charging stations are important...

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Challenges for a reduced inertia power system due to the large-scale integration of renewable energy

This paper reports on the status of technology development under a national project launched in 2019 to address the problem of decreased system inertia associated with the large-scale integration of...

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An estimation framework of regional rooftop photovoltaic potential based on satellite remote sensing images

This paper proposes a comprehensive framework for estimating the regional rooftop photovoltaic (PV) potential. The required rooftop information is extracted from Gao Fen-7 satellite images. In particular,...

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Coordinated control between a grid forming inverter and grid following inverters suppling power in a standalone microgrid

Battery energy storage systems, fuel cells, and photovoltaic generators are being adopted in distribution networks to achieve CO2 emission reduction. These power sources require inverters to connect...

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Next-generation power delivery system with resiliency and environmental affinity

Renewable energy resources play an important role in the realization of the carbon neutrality. The microgrid can efficiently integrate numerous renewable energy systems into power distribution systems...

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Massive energy storage system for effective usage of renewable energy

The current energy trend indicates a strong thrust toward transforming renewable energy as a major power source. To achieve this mission, battery energy storage systems (BESSs) are indispensable. Although...

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Review on grid-forming converter control methods in high-proportion renewable energy power systems

Grid-forming (GFM) converters can provide inertia support for power grids through control technology, stabilize voltage and frequency, and improve system stability, unlike traditional grid-following...

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Data network traffic analysis and optimization strategy of real-time power grid dynamic monitoring system for wide-frequency measurements

The application and development of a wide-area measurement system (WAMS) has enabled many applications and led to several requirements based on dynamic measurement data. Such data are transmitted as...

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Improved edge lightweight YOLOv4 and its application in on-site power system work

A “cloud-edge-end” collaborative system architecture is adopted for real-time security management of power system on-site work, and mobile edge computing equipment utilizes lightweight intelligent recognition...

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Development of wind-energy modeling technology and standards

To ensure the stable operation of power systems with large proportions of wind power, China has published a series of national, industry, and enterprise standards for wind power. The increase in the...

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Prediction of photovoltaic power output based on different non-linear autoregressive artificial neural network algorithms

Prediction of power output plays a vital role in the installation and operation of photovoltaic modules. In this paper, two photovoltaic module technologies, amorphous silicon and copper indium gallium...

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A fault warning for inter-turn short circuit of excitation winding of synchronous generator based on GRU-CNN

Synchronous generators are important components of power systems and are necessary to maintain its normal and stable operation. To perform the fault diagnosis of mild inter-turn short circuit in the...

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Multi-stage constant current charging strategy considering SOC intervals and voltage thresholds

Conventional multi-stage constant current charging strategies often use higher multiples of current to charge the battery in pursuit of shorter charging times. However, this leads to an increase in...

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Multi-objective microgrid optimal dispatching based on improved bird swarm algorithm

Multi-objective optimal dispatching schemes with intelligent algorithms are recognized as effective measures to promote the economics and environmental friendliness of microgrid applications. However,...

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Medium and long-term thermal coal contract embedded reparations from the perspective of an evolutionary game

Coal-fired electricity enterprises are caught in the dilemma of relative fixed prices and rising costs under the scenario of decarbonization. Meanwhile, soaring market-oriented coal pricing results...

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Statistical downscaling of numerical weather prediction based on convolutional neural networks

Numerical Weather Prediction (NWP) is a necessary input for short-term wind power forecasting. Existing NWP models are all based on purely physical models. This requires mainframe computers to perform...

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Energy, economic and environmental assessment of photocatalytic methane production: a comparative case study between Japan and Malaysia

Photocatalytic methane (CH4) production wherein CO2 is reduced to CH4 by utilizing solar radiation energy is gaining research and industrial focus because of its environmental-friendly notion. It offers...

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Wind power operation capacity credit assessment considering energy storage

Research on wind power capacity credit at the operational level plays an important role in power system dispatching. With the popularity of energy storage devices, it is increasingly necessary to study...

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Wind power time series simulation model based on typical daily output processes and Markov algorithm

The simulation of wind power time series is a key process in renewable power allocation planning, operation mode calculation, and safety assessment. Traditional single-point modeling methods discretely...

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GCN-LSTM spatiotemporal-network-based method for post-disturbance frequency prediction of power systems

Owing to the expansion of the grid interconnection scale, the spatiotemporal distribution characteristics of the frequency response of power systems after the occurrence of disturbances have become...

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Research on power-supply cost of regional power system under carbon-peak target

With the establishment of the carbon-peak target by 2030, the direction of carbon emission reduction in China’s energy system has been further clarified. As the industry with the largest proportion...

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Adaptive electricity theft detection method based on load shape dictionary of customers

With the application of the advanced measurement infrastructure in power grids, data driven electricity theft detection methods become the primary stream for pinpointing electricity thieves. However,...

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Evaluation index system of shared energy storage market towards renewable energy accommodation scenario: A China’s Qinghai province context

With the ever-increased installed capacity of renewable energy generation units in a power system, the so-called shared energy storage (SES), a novel business model under the umbrella of the shared...

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