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A day-ahead electricity price forecasting algorithm considered with multidimensional factors
2023 8th International Conference on Power and Renewable Energy (ICPRE)
Year: 2023 | Conference Paper |
Cited by: Papers (2)
In light of the increasing number of participating members in the electricity market, the surge in the volume of electricity trading data and the rising demand for accuracy in electricity price forecasting, this paper proposes to construct a day-ahead electricity price forecasting method that considers multi-dimensional electricity price influencing factors. Firstly, the factors influencing the fo...Show More
Virtual Contribution Theory-Based Bidirectional Loss Allocation Method for Active Distributed Networks
2023 8th International Conference on Power and Renewable Energy (ICPRE)
Year: 2023 | Conference Paper |
Loss allocation plays a pivotal role in power transmission and distribution services as it is integral to the reconciliation process between generator-user settlements. The advent of distributed generation over the recent years has introduced bidirectional power flow along transformers and mainlines in conventional distribution networks, complicating the calculation of power losses and the rectifi...Show More
Dynamic Analysis and Modeling of the Natural Gas Pipeline Using the Electrical Analogy
2023 IEEE Power & Energy Society General Meeting (PESGM)
Year: 2023 | Conference Paper |
In this paper, a method for modeling and simulation of pneumatic transients of natural gas (NG) pipelines is proposed. The partial differential equations (PDEs) that describe the dynamics characteristics of the NG pipeline are converted to ordinary differential equations (ODEs) based on the difference approximation. Electrical analogies for pneumatic quantities are exploited. An equivalent circuit...Show More
The Integrated Planning Model of Energy Station-Network-Pipe Gallery Considering the Node Path Association
2023 6th International Conference on Energy, Electrical and Power Engineering (CEEPE)
Year: 2023 | Conference Paper |
Comprehensive energy system planning is the primary core issue of energy Internet construction. The existing energy station location, capacity determination and pipeline network layout planning of multi energy network are generally obtained by staged optimization or traditional intelligent optimization methods, resulting in the final result of non-optimal solution or local optimal solution; At the...Show More
Research on Double Active Clamping Single Staged Backward AC-AC Converter
2021 IEEE 5th Conference on Energy Internet and Energy System Integration (EI2)
Year: 2021 | Conference Paper |
Based on the development and status of solid state transformers, a class of double-active clamping single-stage anti-excitation AC-AC converter is proposed. The circuit structure of double-active clamping single-stage anti-excitation AC-AC converter is designed. The circuit is a Buck-Boost circuit topology. Through leakage inductance and capacitance resonance, the clamping purpose is achieved. Rel...Show More
Multi-day Load Forecasting Method In Electricity Spot Markets Based on Multiple LSTMs
2021 3rd Asia Energy and Electrical Engineering Symposium (AEEES)
Year: 2021 | Conference Paper |
Cited by: Papers (2)
Multi-Day Load Forecasting is the basis of Electricity Spot Markets Analysis and operation. At present, the Research on Electricity Spot Markets Load Forecasting has not considered the influence of Day-ahead Market on Real-Time Market, which leads to deviation and consumes a lot of time and energy. Therefore, this paper presents a Multi-Day Load Forecasting model based on Multiple Long Short Term ...Show More
Dynamic Modeling of Natural Gas Pipeline Using Electric Circuit Equivalents
2020 IEEE 4th Conference on Energy Internet and Energy System Integration (EI2)
Year: 2020 | Conference Paper |
Cited by: Papers (2)
In this paper, a method for modeling and simulation of pneumatic transients of natural gas pipelines is proposed. The partial differential equations (PDEs) that describe the dynamics of the gas pipeline are converted to the ordinary differential equations (ODEs) based on the difference approximation. Electrical analogies for pneumatic and thermal quantities are exploited, and the natural gas pipel...Show More
Price Demand Response Model Based on Consumer Psychology
Juan Su;Yuxuan Zhang;Chuankang Yang;Guangjin Xing;Songhuai Du
2020 IEEE 4th Conference on Energy Internet and Energy System Integration (EI2)
Year: 2020 | Conference Paper |
Cited by: Papers (2)
Based on consumer psychology, a price-based demand response load model is established, which divides the load into two parts: the basic load and the response load. The basic load uses the distance space method to filter the load of the five characteristic quantities of the week, the holiday, the season, the date difference, and the weather from the historical load. The response load is modeled bas...Show More
Implementation of Equivalent Circuit Model of Solid Oxide Fuel Cells for Multi-physics Transients Simulation Using Simulink/SimPowerSystems
2020 IEEE 4th Conference on Energy Internet and Energy System Integration (EI2)
Year: 2020 | Conference Paper |
Cited by: Papers (1)
Solid oxide fuel cell (SOFC) has received considerable attention nowadays. It can be used in the integrated energy system (IES) to provide both thermal power and electric power. For purposes of analysis of multi-physics phenomena, a SOFC model that considers electric, pneumatic, and thermal transients is developed in this paper. Electrical analogies for pneumatic and thermal quantities are exploit...Show More
Research on the Capability Evaluation Method for New Energy Micro-grids to Participate in Power System Frequency Modulation
Weicheng Shen;Xiping Ma;Yanjun Dong;Songhuai Du;Juan Su;Fengzhan Zhao;Chen Yang
2019 6th International Conference on Information Science and Control Engineering (ICISCE)
Year: 2019 | Conference Paper |
Cited by: Papers (1)
With the rapid development of new energy and renewable energy power systems, the urgency and importance of demand side management and system frequency modulation problems have become increasingly prominent after new energy micro-grids access traditional distribution networks. In order to solve the problem that the new energy micro-grids effectively participates in the power grid frequency modulati...Show More
A High Accuracy Detection Method of Voltage Flicker Signal Based on Time-Frequency Transform
Youzhen Liang;Xiping Ma;Fengzhan Zhao;Shuai Hao;Songhuai Du;Juan Su;Yu Zhang;Tingting Zhao
2019 9th International Conference on Power and Energy Systems (ICPES)
Year: 2019 | Conference Paper |
Cited by: Papers (5)
High-accuracy and fast detection of voltage fluctuation and flicker is the basis of analyzing the flicker event and controlling its hazards. Here, a new method based on the Blackman-windowed short time Fourier transform (B-STFT) is proposed for the detection of voltage flicker signal. Extracting the rated frequency spectra achieved from the B-STFT amplitude matrix of the analyzed flicker signal, t...Show More
Fault Prediction Method for Distribution Network Outage Based on Feature Selection and Ensemble Learning
Wen Zhang;Wanxing Sheng;Keyan Liu;Songhuai Du;Dongli Jia;Lijuan Hu
2018 5th International Conference on Information Science and Control Engineering (ICISCE)
Year: 2018 | Conference Paper |
Cited by: Papers (3)
In this paper, a fault level prediction method for distribution network based on feature selection and ensemble learning is proposed to solve the problem of high, redundant and low accuracy rate of level prediction in power distribution network. First, by preprocessing the fault data of the distribution network, the 23 kinds of initial fault features for distribution networks involving weather, lo...Show More
Research on Multi-time Scale Active Power Coordinated Control Strategy of Grid-connected Microgrid based on EEMD-MPC method
Lijuan Liu;Weicheng Shen;Wenxi Zhen;Guangru Zhang;Yu Zhang;Shuai Hao;Fengzhan Zhao;Songhuai Du;Juan Su
2018 International Conference on Power System Technology (POWERCON)
Year: 2018 | Conference Paper |
Cited by: Papers (1)
Grid-connected microgrid contains controllable micro-sources (CMS) which have different time characteristics. In order to dispatch the energy in microgrid more effectively, a multi-time scale control strategy based on model predictive control (MPC) method is proposed. MPC is a finite-time closed-loop optimization control algorithm. It can effectively cope with the variation of time and uncertainty...Show More
Research on multi-CPU cluster modeling and real-time simulation analysis of high proportion active distribution network
Keyan Liu;Wanxing Sheng;Dingyu Chen;Songhuai Du;Hua Ye;Juan Su;Yonghua Zhang
2017 3rd IEEE International Conference on Control Science and Systems Engineering (ICCSSE)
Year: 2017 | Conference Paper |
Cited by: Papers (1)
High proportion of renewable energy was increased in the distribution network, which will face complex grid complex test and show the scale the diversity and complexity of the operating state. So that the evolution of Wind-photovoltaic-energy storage(Wind-PV-ES) hybrid network transient process is not clear. In the other hand, Transient simulation tool plays a significant role in obtaining a full ...Show More
Spectrum analysis method of residual current based on Hilbert-Huang transform
Jinli Wang;Yongmei Liu;Li Wang;Haiou Guan;Songhuai Du;Juan Su;Yating Cai;Tingting Fan
2016 International Conference on Probabilistic Methods Applied to Power Systems (PMAPS)
Year: 2016 | Conference Paper |
Cited by: Papers (2)
For the development of residual current protection device in low voltage network, aiming at complexity and uncertainty of residual current spectrum in the transient process of biological electric shock faults, the Hilbert-Huang transform is applied to analyze spectrum characteristics of each intrinsic mode function (IMF) component in residual current and determine the distribution of each IMF at d...Show More
An electric shock impedance modeling method of living organisms in low-voltage distribution network
Yongmei Liu;Guangeng Liu;Wanxing Sheng;Songhuai Du;Jinli Wang
2016 China International Conference on Electricity Distribution (CICED)
Year: 2016 | Conference Paper |
Cited by: Papers (6)
In order to solve the refusing action and maloperation problem of electric shock of living organisms of Residual Current operated protective Device (RCD) in low voltage distribution network, an electric shock impedance modeling method is proposed in this paper. Trough building up the experiment test bed of electric shock of living organisms, electric shock voltage and current data are collected. A...Show More
Denoising of electrical shock fault signal based on empirical mode decomposition thresholding
Jinli Wang;Yongmei Liu;Xiaohui Han;Songhuai Du;Li Wang;Juan Su;Guangeng Liu;Haiou Guan
2016 China International Conference on Electricity Distribution (CICED)
Year: 2016 | Conference Paper |
Cited by: Papers (3)
The electrical shock fault signal is very important to the protection and control of power system. However, in practical cases, the signal is usually corrupted by artifacts through the recording process. Thus, denoising of this type of electric shock fault signals seems necessary. In this paper, a novel method for denoising electriccal shock fault signals is proposed based on Empirical mode Decomp...Show More
Study on identifying method of electric shock current amplitude based on Independent Component Analysis
Juan Su;Yue Xia;SongHuai Du;ChunLan Li;JunJie Zhang;LiMiao Zhang
2011 International Conference on Advanced Power System Automation and Protection
Year: 2011 | Conference Paper |
Cited by: Papers (2)
An identifying method of electric shock current amplitude based on Independent Component Analysis is proposed in this paper. The physical testing data of electrical shock current and summation leakage current, which were obtained from the physical electric shock experiment platform, were analyzed by the fast independent component analysis (ICA) model. The mean square error and correlation analysis...Show More
Study on equivalent circuit of the human body and its transient response against electric shock
2011 International Conference on Advanced Power System Automation and Protection
Year: 2011 | Conference Paper |
Cited by: Papers (4)
To solve the problems of the incorrect operation, the failure action and the low operational percentage on Residual Current Operated Devices (RCDs) in the domestic rural power distribution network, an amount of electric shock signals were demanded to study identifying and extracting method of electrical shock current. In this paper an equivalent circuit model of the human body against electric sho...Show More
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