Explanipedia

Comprehensive energy efficiency optimization algorithm for steel load considering network reconstruction and demand response Open

Yuxiu Zang, Shunjiang Wang, Weichun Ge, Yaping Li, Jia Cui · 2023

Industrial loads are usually energy intensive and inefficient. The optimization of energy efficiency management in steel plants is still in the early stage of development. Considering the topology of power grid, it is an urgent problem to …

Research on the deep peak-shaving cost allocation mechanism considering the responsibility of the load side Open

Zhao Yang, Yibo Wang, Chuang Liu, Cai Guowei, Weichun Ge , et al. · 2023

With the goal of carbon reduction, China has carried out a series of institutional reforms and innovations in renewable energy consumption. However, the existing allocation rules for peak-shaving costs concentrate on the power side only. I…

Day-ahead and intra-day two-stage low-carbon economic scheduling method considering multi-form energy-intensive load Open

Zhijun Yuan, Yibo Wang, Yueyang Xu, Chuang Liu, Weichun Ge , et al. · 2023

To solve the problem of the large gap in the regulation resources of the power system due to the large number of wind power connected to the grid and to help achieve the strategic energy goal of “carbon neutrality and carbon peaking,” the …

Using Thermal Energy Storage to Relieve Wind Generation Curtailment in an Island Microgrid Open

Huanhuan Luo, Weichun Ge, Jingzhuo Sun, Quanyuan Jiang, Yuzhong Gong · 2021

The uncertainty and intermittency of the available wind resource in nature would potentially cause wind generation curtailment when the flexibility of the integrated power grid is limited, especially in small-scale microgrids for islands. …

Optimal dispatching strategy in the domain with energy storage and heat storage taking into account deep regulation of thermal power plants Open

Weichun Ge, Debao Liu, Guannan Deng, Zhao Tie-ying, Shunjiang Wang , et al. · 2021

In recent years, the installed capacity of wind power has been increasing, and the phenomenon of regional wind abandonment has become prominent. In order to improve the wind power accommodation, the domain definition is introduced, which s…

Multi-domainsdispatching method for power system considering energy storage Open

Weichun Ge, Debao Liu, Tao Liu, Shunjiang Wang, Junfa Liu , et al. · 2021

Reasonably arranging the matching of power sources is an effective mean to improve the capacity of new energy consumption. Using the dispatching characteristics of the transferable load of the energy storage systems can play an important r…

The wind-PV-hydro-thermal multi-source cleaning dispatch with the influence of super-power thermal storage boiler Open

Weichun Ge, Debao Liu, Huan He, Shunjiang Wang, Zhen Jiao , et al. · 2021

Aiming at the problem of serious waste of clean energy caused by the randomness and volatility of clean energy output during the winter heating period in Northeast China, this paper proposes a dispatching scheme of super-large power regene…

Inertia and Damping Analysis of Grid-Tied Photovoltaic Power Generation System With DC Voltage Droop Control Open

Fubao Wu, Bo Yang, Anping Hu, Yi Zhang, Weichun Ge , et al. · 2021

Photovoltaic power generation relies on power electronics and therefore does not have natural inertia and damping characteristics. In order to make the capacitance of the medium time scale participate in the grid frequency response without…

A Coordinated Dispatching Model Considering Generation and Operation Reserve in Wind Power-Photovoltaic-Pumped Storage System Open

Dai Cui, Fei Xu, Weichun Ge, Pengxiang Huang, Yunhai Zhou · 2020

Large-scale grid integration of renewable energy increases the uncertainty and volatility of power systems, which brings difficulties to output planning and reserve decision-making of power system units. In this paper, we innovatively comb…

Load reduction algorithm for power grid low-frequency optimization Open

Shunjiang Wang, Huiwen Xu, Baoming Pu, Weichun Ge, Qianwei Liu · 2020

Dynamic monitoring and effective control of system frequency is the key to ensure the normal operation of power system. In this paper, a hierarchical load shedding algorithm model is constructed, which can prevent the frequency from contin…

Optimal Dispatch of High-Penetration Renewable Energy Integrated Power System Based on Flexible Resources Open

Jiawei Feng, Junyou Yang, Haixin Wang, Huichao Ji, Martin Onyeka Okoye , et al. · 2020

The volatility and uncertainty of high-penetration renewable energy (RE) challenge the stability of the power system. To tackle this challenge, an optimal dispatch of high-penetration RE based on flexible resources (FRs) is proposed to enh…

Source-load Dispatch Model for Electricity Day-ahead Market with Wind Power Penetration Open

Dai Cui, Haiyang Cong, Weichun Ge, Di Jiang, Wentao Sun , et al. · 2020

Due to the intermittent and volatility of wind power output, the traditional power grid’s operation and dispatching mode and the adjustment capability of conventional units were unable to meet the demands of large-scale wind power penetrat…

Multi-Time Scale Optimization Scheduling Strategy for Combined Heat and Power System Based on Scenario Method Open

Yunhai Zhou, Shengkai Guo, Fei Xu, Dai Cui, Weichun Ge , et al. · 2020

The wind–heat conflict and wind power uncertainty are the main factors leading to the phenomenon of wind curtailment during the heating period in the northern region of China. In this paper, a multi-time scale optimal scheduling strategy f…

Unit Commitment Model and Benefit Analysis of in Depth Peak Load Cycling of Thermal Power Unit Under Wind Power Integration Open

Chuang Liu, Hao Liu, Weichun Ge, Yibo Wang, Yiqun Meng · 2020

In this paper, the peaking capability of the thermal power unit is maximized, and the wind power accommodation as much as possible.A mathematical model of in depth peak load cycling of the thermal power unit under the condition of wind pow…

Heat Transfer Matching Design And Optimization Of Solid-State Electric Heating Thermal Storage System Open

Zuoxia Xing, Jinpeng Fan, Lei Chen, Weichun Ge, Fengsheng Qi , et al. · 2020

The solid-state electric heating thermal storage system is an emerging large-capacity peak shaving technology in the power grid.The studying of the heat transfer matching characteristics is of great significance for improving reliability a…

Optimal Dispatch Strategy for a Flexible Integrated Energy Storage System for Wind Power Accommodation Open

Yunhai Zhou, Pinchao Zhao, Fei Xu, Dai Cui, Weichun Ge , et al. · 2020

The application of the large-capacity energy storage and heat storage devices in an integrated energy system with a high proportion of wind power penetration can improve the flexibility and wind power accommodation capacity of the system. …

Economic dispatch of WT-PV-ES with cogeneration in abnormal regulatory domain Open

Weichun Ge, Fengjiao Yu, Qianwei Liu, Shunjiang Wang, Anlong Su , et al. · 2020

The combined operation of cogeneration, distributed generation and energy storage can effectively meet the electrical and heat load requirements in the northern region, but its economic dispatching problem needs to be solved urgently. An e…

Quantitative Analysis of Energy Storage in Different Parts of Combined Heat and Power Plants Open

Tuoyu Deng, Tian Liang, Weichun Ge, Xinping Liu, Huanhuan Luo , et al. · 2020

To increase the flexibility of power generation, the coal-fired combined heat and power (CHP) plants should make full use of their own energy storage (ES). Available ES exists mainly in boiler steam-water systems, in units' condensed water…

Using molten-salt energy storage to decrease the minimum operation load of the coal-fired power plant Open

Yiwei Fu, Zhe Ning, Weichun Ge, Qingwei Fan, Guiping Zhou , et al. · 2020

As the renewable energy fluctuating in the power grid, the traditional coal-fired power plant needs to operate on the extremely low load, so as to increase the share of renewable energy. This paper deals with thermodynamic simulation and e…

A Modified DSC-Based Grid Synchronization Method for a High Renewable Penetrated Power System Under Distorted Voltage Conditions Open

Tie Li, Yunlu Li, Junyou Yang, Weichun Ge, Bo Hu · 2019

With the increasing penetration of renewable energy, a weak grid with declining inertia and distorted voltage conditions becomes a significant problem for wind and solar energy integration. Grid frequency is prone to deviate from its nomin…

Optimal Dispatch Model Considering Environmental Cost Based on Combined Heat and Power with Thermal Energy Storage and Demand Response Open

Weidong Li, Tie Li, Haixin Wang, Jian Dong, Yunlu Li , et al. · 2019

In order to reduce the pollution caused by coal-fired generating units during the heating season, and promote the wind power accommodation, an electrical and thermal system dispatch model based on combined heat and power (CHP) with thermal…

Design and application of condition monitoring for power transmission and transformation equipment based on smart grid dispatching control system Open

Guiping Zhou, Huanhuan Luo, Weichun Ge, Yiling Ma, Shi Qiu , et al. · 2019

With the increasing demand for power supply reliability and the transmission equipment is an important part of power generation, transmission and distribution engineering. In the study, which makes use of the advantages and the mechanism o…

The Multi-source and Multi Operation Domain Coordinated Control Strategy of Power Grid Open

Weichun Ge, Qili Huang, Jianxin Zhu, Jianguo Wang, Qun Chen , et al. · 2019

Intelligent Regulation Method for a Controllable Load Used for Improving Wind Power Integration Open

Jiajue Li, Baozhu Shao, Junhui Li, Weichun Ge, Jiahui Zhang , et al. · 2018

Improving the safety and stability of power systems by adjusting the controllable load to improve the wind power integration has become a hot research topic. However, the methodology of accurately controlling the load and fundamentally imp…

Leveraging Hybrid Filter for Improving Quasi-Type-1 Phase Locked Loop Targeting Fast Transient Response Open

Yunlu Li, Junyou Yang, Haixin Wang, Weichun Ge, Yiming Ma · 2018

In renewable energy generation applications, phase locked loop (PLL) is one of the most popular grid synchronization technique. The main objective of PLL is to rapidly and precisely extract phase and frequency especially when the grid volt…

Gain Scheduled Torque Compensation of PMSG-Based Wind Turbine for Frequency Regulation in an Isolated Grid Open

Haixin Wang, Junyou Yang, Zhe Chen, Weichun Ge, Shiyan Hu , et al. · 2018

Frequency stability in an isolated grid can be easily impacted by sudden load or wind speed changes. Many frequency regulation techniques are utilized to solve this problem. However, there are only few studies designing torque compensation…

A Hybrid Filtering Technique-Based PLL Targeting Fast and Robust Tracking Performance under Distorted Grid Conditions Open

Yunlu Li, Junyou Yang, Haixin Wang, Weichun Ge, Yiming Ma · 2018

In most grid-connected power converter applications, the phase-locked loop (PLL) is probably the most widespread grid synchronization technique, owing to its simple implementation. However, its phase-tracking performance tends to worsen wh…

Operation Status Monitoring and Analysis Based on the Architecture of Stream Computing and Memory Computing Open

Shuo Chen, Weichun Ge, Yongbin Zhao, Li Zhao, Gang Yining , et al. · 2018

The user's real-time electricity consumption data has become an important data source to measure the operation of power grid enterprises. Based on the user's real-time electricity consumption data, combined with discrete Fourier transform,…

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