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Study on green power supply modes for heavy load in Remote Areas

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global energy interconnection 2024年第4期7卷 475-485页

作者： Yu Li Yixi Cuomu Yiming Gao Guoqin Lv Weiwei Lin Sirui Li Changchun Zhou State Grid Xizang Electric Power Co. Ltd.Lhasa 850010Tibet Autonomous RegionP.R.China global energy interconnection development and cooperation organization Beijing 100031P.R.China State Grid Fujian Power Economic Research Institute Fuzhou 350012P.R.China Eindhoven University of Technology Eindhoven.5621 AENetherlands

In this study,the present situation and characteristics of power supply in remote areas are *** studying the cases of power supply projects in remote areas,the experience is analyzed and described,and the applicability of related technologies,such as grid-forming storage and power load management,is studied,including grid-connection technologies,such as grid-forming converters and power load *** this basis,three power-supply modes were *** application scenarios and advantages of the three modes were compared and *** on the local development situation,the temporal sequences of the three schemes are described,and a case study was *** study of the heavy-load power supply mode in remote areas contributes to solving the problem of heavy-load green power consumption in remote areas and promoting the further development of renewable energy.

关键词： Remote area Renewable energy Grid-forming storage Power load management Power supply mode

Assessment of climate damage in China based on integrated assessment framework

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Advances in Climate Change Research 2024年第1期15卷 124-133页

作者： Jie LIU Xiang-Zhen SHI Li YANG Chang-Yi LIU Jin-Cheng WANG Rui-Min ZHU Xue-Li SHI Qiu-Feng LIU International Business School Shanxi Normal UniversityXi'an 710062China University of Chinese Academy of Social Sciences Bejing 102488China School of Economics and Management Xinjiang UniversityUrumqi 830046China global energy interconnection development and cooperation organization(GEIDCO) Bejing 100031China Hubei Enshi College Enshi 445099China CMA Earth System Modeling and Prediction Centre China Meteorological AdministrationBeijing 100081China National Climate Centre China Meteorological AdministrationBeijing 100081China

Developing a localized and consistent model framework for climate loss and damage assessment is crucial for the policy-making of climate change mitigation and *** study introduces a comprehensive,multidisciplinary Integrated Assessment Model(IAM)framework for evaluating climate damage in China,utilizing BCC-SESM climate model and FUND sectoral climate damage model under the SSP2-RCPs *** a bottom-up approach,the research estimates climate damage across eight major sectors,recalibrates sectoral climate damage functions and parameters for China,and elucidates distinctions among direct climate loss,market climate loss,and aggregate climate *** findings reveal that the total climate damage function for China follows a quadratic pattern in response to temperature *** 2050,the estimated climate damage is projected to be 5.4%,5.7%,and 8.2%of GDP under RCP2.6,RCP4.5,and RCP8.5,***,both direct and market climate losses are projected to remain below 2%of GDP by 2050,while the aggregate climate loss could reach as high as 8.2%,which is predominantly attributed to non-market *** a sectoral perspective,under the RCP8.5 scenario,human health damage constitutes the largest share(61.9%)of the total climate loss by 2050,followed by sea-level rise damage(18.6%).This study sheds lights on the adaptation policy that should attach importance to the non-market sectors,particularly focusing on human health and sea-level rise.

关键词： Climate loss and damage Integrated assessment model(IAM) FUND model Representative concentration pathways(RCPs)scenario BCC-SESM

Economic and scale prediction of CO_(2)capture,utilization and storage technologies in China

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Petroleum Exploration and development 2023年第3期50卷 751-764页

作者： ZHAO Xiaoling XIAO Jinyu HOU Jinming WU Jiawei LYU Xunyan ZHANG Jinxuan LIU Yao global energy interconnection development and cooperation organization Beijing 100031China

In response to the lack of global quantitative research on the potential and scale prediction of CO_(2) capture,utilization and storage(CCUS)in China under the background of carbon peak and carbon neutrality goals,this study predicts the future economic costs of different links of ccUS technologies and the carbon capture needs of different industries in the scenario of fossil energy *** on the CO_(2) utilization and storage potential and spatial distribution in China,a cost-scale calculation model for different regions in China in 206o is constructed to predict the whole-process economic cost and its corresponding scale potential of *** results show that a local+remote storage mode is preferred,together with a local utilization mode,to meet China's 27×10^(8)t/a CO_(2) emission reduction demand under the scenario of fossil energy ***,about 5×10^(8) t CO_(2) emission is reduced by capture utilization,and the whole-process cost is about-1400-200 RMB/t;about 22×10^(8) t CO_(2) emission is reduced by capture storage,and the whole-process cost is about 200-450 RMB/*** to the model results,it is recommended to develop the chemical utilization industry based on P2X(Power to X,where X is raw material)technology,construct the CcUs industrial cluster,and explore a multi-party win-win cooperation mode.A scheme of national trunk pipeline network connecting areas connecting intensive emission reduction demand areas and target storage areas is *** emission reduction cost of thermal power based on CCUS is calculated to be 0.16 RMB/(kW.h).

关键词： CcUS whole-process modeling cost-scale calculation model transport pipeline thermal power emission reductioncost

Building a New-Type Power System to Promote Carbon Peaking and Carbon Neutrality in the Power Industry in China

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Chinese Journal of Urban and Environmental Studies 2022年第2期10卷 29-40页

作者： LIU Changyi TAN Xin LIU Yifang Economic & Technology Research Institute global energy interconnection development and cooperation organization

Power industry is the largest carbon emission sector in ***,this industry will play an important role in achieving the carbon peaking and carbon neutrality goals( "dual carbon " goals)for the whole *** this purpose,it is critical to balance four relationships,*** between carbon mitigation and energy security,carbon peaking in the short term and carbon neutrality in the long term,the coordinated carbon mitigation in power industry and other industries,and technical feasibility and economic *** paper proposes the China's energy interconnection scenario to promote carbon peaking and carbon neutrality of the society,which can be divided into three stages,*** carbon emissions before 2030,rapid emission reduction during 2030-2050,and comprehensive carbon neutrality before *** is expected that the power system will achieve zero emissions before other industries and contribute negative emissions afterwards,providing emission space for carbon neutrality in other industries across the *** into the future,China's electricity demand will continue to *** energy will become the main power source,the use of coal-fired power will be gradually reduced,and gas-fired power will undertake the function of peak-load *** progress will be made in forming an overall grid pattern with ultra-high voltage(UHV) grid as the backbone and featuring "west-to-east and north-to-south power transmission,a balanced energy mix,and transnational power interconnection." Finally,this paper discusses a new-type of power system characterized by a high proportion of electricity generated from clean energy,high ratio of electric and electronic equipment,and a high proportion of power transmission and reception,together with summer and winter high load periods,and points out the challenges faced by the new-type power system with a high proportion of renewable energy sources in terms of flexibility,safety,and economic effic

关键词： New-type power system carbon peaking carbon neutrality China’s energy interconnection UHV power grid

Review of trans-Mediterranean power grid interconnection:a regional roadmap towards energy sector decarbonization

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global energy interconnection 2023年第1期6卷 115-126页

作者： Kaifeng Yu Paul van Son global energy interconnection development and cooperation organization Beijing 100031P.R.China global energy interconnection Group Co.Ltd. Beijing 100031P.R.China Dii Desert energy Dubai 487389United Arab Emirates

Climate change is becoming an important issue in all fields of infrastructure *** plays a core role in the decarbonized energy system’s path to a regional zero-emission pattern.A well-built trans-Mediterranean backbone grid can hedge the profound evolution of regional power generation,transmission,and *** date,only Turkey and the Maghreb countries(i.e.,Morocco,Algeria,and Tunisia)are connected with the Continental European Synchronous *** south-and east-shore countries have insufficient interconnection infrastructures and synchronization difficulties that have proven to be major hurdles to the implementation of large-scale solar and wind projects and achievement of climate *** study analyzes the current trans-boundary grid interconnections and power and carbon emission portfolios in the Mediterranean *** align with the recently launched new climate target‘Fit for 55’program and the accelerated large-scale renewables target,a holistic review of projected trans-Mediterranean grids and their market,technical,and financial obstacles of implementation was *** south-and east-shore countries,major legal and regulatory barriers encompassing non-liberalized market structure,regulation gaps of taxation and transmission tariffs,and the private sector’s access rights need to be *** of domestic grids,substations,and harmonized grid codes and frequency,voltage,and communication technology standards among all trans-Mediterranean countries are physical prerequisites for implementing the Trans-Mediterranean Electricity *** addition,the mobilization of capital instruments along with private and international investments is indispensable for the realization of supranational transmission *** the final section of the decarbonization roadmap,the development of electric appliances,equipment,and vehicles with higher efficiency is inevitable in the decarbonized building,transportation,and industry sec

关键词： Mediterranean Grid interconnection Regional roadmap Power system Decarbonization Climate change

The scoping study of Kazakhstan-China-Republic of Korea power interconnection

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global energy interconnection 2022年第5期5卷 484-500页

作者： Xiaomeng Lei Dawei Wang Wei Wang China Electricity Council Beijing 100761P.R.China global energy interconnection development and cooperation organization Beijing 100031P.R.China

Electric interconnection is an essential trend for future large-scale development and utilization of renewable *** has proposed the concept of global energy interconnection to realize the clean utilization of energy through the interconnection of power grids and optimize the allocation of global energy *** study proposes the Kazakhstan-China-Republic of Korea networking scheme,analyzing the characteristics of power supply and demand in these *** on the regional economic analysis and power development,four interconnection schemes are proposed utilizing UHVDC ***,existing problems and favorable factors are fully *** investment analysis of±1100 kV and±800 kV lines,configuration scheme of the converter station,and investment estimation of four interconnection schemes are given.

关键词： global energy interconnection Renewable energy source interconnection schemes Cost and benefits analysis.

Green-washing America’s Hegemony:Biden Administration’s Military Climate Strategy and Its Impact

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和平与发展 2023年第4期 161-165页

作者： Zhang Rui Economics and Technology Research Institute of global energy interconnection development and cooperation organization GEIDCO

Since coming to office,the Biden administration has made climate a fundamental element of US foreign policy and national *** September 2021 to October 2022,the US Department of Defense and its subordinate Departments of the Army,Navy and Air Force issued their climate strategies successively,proposing specific goals and action paths,thus building an unprecedented set of policy systems to comprehensively address climate change.

关键词： policy Strategy Impact

Experiments on plasma dynamics of electrical wire explosion in air

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High Voltage 2022年第1期7卷 117-136页

作者： Ruoyu Han Chen Li Wei Yuan Jiting Ouyang Jiawei Wu Yanan Wang Weidong Ding Yongmin Zhang School of Physics Beijing Institute of TechnologyBeijingChina global energy interconnection development and cooperation organization BeijingChina State Key Laboratory of Electrical Insulation and Power Equipment Xi'an Jiaotong UniversityXi'anChina

Besides a typical high‐density plasma source,electrical explosion of conductors is also indispensable in switches,nanomaterial synthesis,shock‐wave sources,*** this paper,an experimental study regarding plasma dynamics of electrical wire explosions(μs‐timescale)is presented,with spatiotemporal resolved *** Cu/Ni wire and Cu‐Ni alloy wire were used and *** alloy wire usually has a higher resistivity,resulting in a higher initial energy deposition(heating)*** inverse transformation indicated that the plasma radiation focussed on the outer region of the discharge channel for the alloy *** addition,the metallic vapour determined by the material properties had a considerable influence on the plasma process and resulting *** particular,both transverse and axial‐layered structures were observed in alloy wire *** addition,for the first time,the expanding arc‐like plasma of explosion products was understood and examined from aspects of material properties and energy *** later stage of wire explosion resembled the state of regular metal vapour arcs under 1 MPa ***,the core factor for the fast energy deposition stage of wire explosion was *** between pre‐exposition circuit parameters and post‐explosion dynamic effects were found,which is significant for practical applications.

关键词： alloy vapour electrical

Penetrating power characteristics of half-wavelength AC transmission in point-to-grid system

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Journal of Modern Power Systems and Clean energy 2019年第1期7卷 123-130页

作者： Hanqing LIANG Yadong LIU Lei WAN Gehao SHENG Xiuchen JIANG Department of Electrical Engineering Shanghai Jiao Tong University global energy interconnection development and cooperation organization

With the proposed concept of global energy interconnection, half-wavelength alternating current transmission(HWACT) technology becomes of more *** lines can be adopted to establish a pointto-grid system, in which the penetrating power(PP) is produced between receiving terminals, having a significant effect on the power flow *** order to investigate this phenomenon, the PP characteristics of the HWACT system are researched in this ***, the mathematical relationship between the transmission power and terminal bus voltages of a single HWACT line is derived using the equations of a distributed parameter *** research indicates that the relationship between power and terminal voltages shows ‘‘reverse characteristics"opposite to those of regular short transmission ***, the concept and definition of PP in a point-to-grid system with two receiving terminals are proposed, and the corresponding relationship between PP and the terminal bus voltages is *** are carried out to validate the theory under different conditions, so that the accuracy and adaptiveness of the theoretical analysis can be *** addition, the results demonstrate that selecting the location for a HWACT system has demanding requirements in order to control the value of PP.

关键词： Half-wavelength alternating current transmission(HWACT) Ultra-high voltage Synchronous power grids Penetrating power(PP)