Yongfang Jian

ORCID: 0000-0002-0042-0908
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Research Areas
  • Phase Change Materials Research
  • Adsorption and Cooling Systems
  • Energy Load and Power Forecasting
  • Electric Power System Optimization
  • History and Developments in Astronomy
  • Solar Thermal and Photovoltaic Systems
  • Power Systems and Technologies
  • Cosmology and Gravitation Theories
  • Integrated Energy Systems Optimization
  • Multilevel Inverters and Converters
  • Smart Grid and Power Systems
  • Power Systems Fault Detection
  • Quantum Electrodynamics and Casimir Effect
  • Thermochemical Biomass Conversion Processes
  • Complex Network Analysis Techniques
  • International Science and Diplomacy
  • Advanced Data Storage Technologies
  • Nanofluid Flow and Heat Transfer
  • Satellite Communication Systems
  • Relativity and Gravitational Theory
  • Granular flow and fluidized beds
  • Smart Grid Energy Management
  • Experimental and Theoretical Physics Studies
  • Building Energy and Comfort Optimization
  • Thermodynamic and Exergetic Analyses of Power and Cooling Systems

Zhengzhou University
2025

Zhejiang Energy Group (China)
2024

Universiti Teknologi Petronas
2024

Energy Research Institute
2018-2021

State Grid Corporation of China (China)
2019-2021

Chinese Academy of Sciences
2011-2015

Institute of Electrical Engineering
2014

MMC is suitable for high voltage application because of its modular structure, but it also makes the converter bulky and heavy, increasing cost space requirements offshore stations when used in HVDC-based wind farm. To address this, an improved topology proposed this paper based on bridge-arm multiplexing, which reduces capacitance improves utilization through multiplex innovative switching while maintaining DC fault interruption capability. Then, efficient modulation strategy power balance...

10.1117/12.3057318 article EN other-oa 2025-01-31

Gasification combined with syngas power generation technologies, such as fuel cells, gas turbines, and the organic Rankine cycle, present significant potential for efficient disposal of municipal solid waste. This paper proposes a hybrid system that integrates waste gasification generation. An absorption heat pump was employed drying wet The thermomechanical analysis variable condition proposed integrated were conducted. influences degree on performance researched emphatically. results...

10.3390/en17236034 article EN cc-by Energies 2024-11-30

Solid sensible heat storage is an attractive option for high-temperature applications in terms of investment and maintenance costs. Typical solid thermal energy systems use a transfer fluid to as the flows through tubular exchanger embedded material. A one-dimensional unsteady model developed using modified lumped capacitance method cylindrical unit. modular charging/discharging control strategy proposed improve utilization The two modules could increase material from 33.4% 38%.

10.1016/j.egypro.2015.03.167 article EN Energy Procedia 2015-05-01

In rencent years, the Energy Internet technology advancement has greatly accelerated integration of terminal energy systems, further promoting development multi-service services. Meanwhile, national new urbanization strategy in China also creates broad market space for supply multi-energy Based on analysis building consumption, this research conducts cost-effectiveness electric heating, natural gas cooling, heating and electricity triple supply, biomass cogeneration. Then forecasts potential...

10.1109/icei.2019.00084 article EN 2019 IEEE International Conference on Energy Internet (ICEI) 2019-05-01

Multi stage optimization planning of renewable energy power base is a multi-variable and nonlinear mixed integer problem. Therefore, multi-stage model built by the dynamic programming method to make decision each stage. The results target annual are used as basis for expansion generation in economic effect various measures solved using recursive algorithm programming, whole cost function. feasibility verified example.

10.1109/ciced.2018.8592069 article EN 2022 China International Conference on Electricity Distribution (CICED) 2018-09-01

The paper sets up the two-tier screening evaluation model of potential transnational grid interconnection that includes mutual complementation and environmental model. This introduces quantitative index applies it to full coverage analysis calculation countries along “Belt Road”. combination qualitative forms a complete system from electricity investment environment. empirical demonstrates effectiveness where result may serve as scientific reference promoting

10.1051/e3sconf/201911802033 article EN cc-by E3S Web of Conferences 2019-01-01

Risk evaluation of multinational interconnection projects is great significance to further promote the coordinated development economic, energy and environmental sustainability with neighboring countries. Based on this, under background China's "The Belt Road Initiative", risk assessment indicator system established from four dimensions, namely, external policy risk, economic operational risk. Secondly, in view prominent characteristics uncertainty factors, this paper evaluates indicators at...

10.1109/eei48997.2019.00090 article EN 2019 International Conference on Electronic Engineering and Informatics (EEI) 2019-11-01

Current situation of energy shortage and environmental pollution have been alleviated with the rapid development new sources represented by wind power photovoltai c. Simultaneously, intermittency, volatility correlation induce challenges to system planning. Output farms photovoltaic stations mainly presents complementarities, only in a few time periods showing weak correlation, which means that probabilities get maximum output both at same are very small. The current transmission network...

10.1049/icp.2021.2314 article EN IET conference proceedings. 2021-10-19

The integrated energy market has great potential, numerous participants, and diverse business models. Due to the digitalization revolution, platform model become an important direction for service based on online offline development. Facing fierce competition in market, this paper design a decision support service, help users make scientific decisions. Firstly, combined with main scenarios, we build big data set which from industrial enterprises, parks, buildings residential analysis....

10.1109/icpee54380.2021.9662598 article EN 2021-12-02
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