Here,we developed a comprehensive web-searchable database,designated as Human RNA Modifications Disease Database(HRMDD,http://bio-bigdata.hrbmu.edu.cn/HRMDD/home.jsp).RNA modification(RM)is an important mechanism of e...Here,we developed a comprehensive web-searchable database,designated as Human RNA Modifications Disease Database(HRMDD,http://bio-bigdata.hrbmu.edu.cn/HRMDD/home.jsp).RNA modification(RM)is an important mechanism of epigenetic regulation.With the evolution of both experimental technologies and computational methods,major progress has been made in identifying the genomic locations and distributions of various RM types throughout the transcriptome.^(1)展开更多
The coordinated operation and comprehensive utilization of multi-energy sources require systematic research.A multi-energy microgrid(MEMG)is a coupling system with multiple inputs and outputs.In this paper,a system mo...The coordinated operation and comprehensive utilization of multi-energy sources require systematic research.A multi-energy microgrid(MEMG)is a coupling system with multiple inputs and outputs.In this paper,a system model based on unified energy flows is proposed to describe the static relationship,and an analogue energy storage model is proposed to represent the time-dependency characteristics of energy transfer processes.Then,the optimal dispatching model of an MEMG is established as a mixed-integer linear programming(MILP)problem using piecewise linear approximation and convex relaxation.Finally,the system model and optimal dispatching method are validated in an MEMG,including district electricity,natural gas and heat supply,and renewable generation.The proposed model and method provide an effective way for the energy flow analysis and optimization of MEMGs.展开更多
Better flexibility and controllability have been introduced into distribution system with the development of new loads and resources.As a consequence,the connotations and tools for evaluating the planning solution nee...Better flexibility and controllability have been introduced into distribution system with the development of new loads and resources.As a consequence,the connotations and tools for evaluating the planning solution need to be further enriched.This paper proposes a fast algorithm to quantify steady-state voltages and load profiles in distribution system by simulating the manipulation control process of controllable resources,taking the efficiency and ease of use into account.In this method,a complex distribution system is decoupled into several simple parts according to the ports of the DC interlink.Then,to achieve the qualified voltages and load profiles,the manipulation details of controllable resources are simulated following a certain control sequence in each part.Finally,the analysis results of each part are matched and filtered to obtain a complete evaluation.Five types of the most commonly controllable resources are considered in this method.The effectiveness of the proposed method is demonstrated through a case study based on field data from an actual distribution system.展开更多
The optimal configuration of battery energy storage system is key to the designing of a microgrid.In this paper,a optimal configuration method of energy storage in grid-connected microgrid is proposed.Firstly,the two-...The optimal configuration of battery energy storage system is key to the designing of a microgrid.In this paper,a optimal configuration method of energy storage in grid-connected microgrid is proposed.Firstly,the two-layer decision model to allocate the capacity of storage is established.The decision variables in outer programming model are the capacity and power of the storage system.The objective is the least investment on the battery energy storage system.The decision variable in inner programming model is the charging and discharging power of battery.The objective is the lowest power fluctuation on the connection line.Then a case containing a grid-connected microgrid with wind power,photovoltaic,battery energy storage and load is studied,and the multi-scenario probabilistic method is used.The last result of energy storage configuration is calculated through the probability of each scene.展开更多
基金supported by the National Natural Science Foundation of China(Nos.81820108014,82071407,82171396,32070672)National Key Research and Development Project(China)(No.2018YFE0114400)+1 种基金Heilongjiang Provincial Natural Science Foundation(China)(No.YQ2021H012)The Postdoctoral Foundation of Heilongjiang Province(China)(No.LBH-TZ1019).
文摘Here,we developed a comprehensive web-searchable database,designated as Human RNA Modifications Disease Database(HRMDD,http://bio-bigdata.hrbmu.edu.cn/HRMDD/home.jsp).RNA modification(RM)is an important mechanism of epigenetic regulation.With the evolution of both experimental technologies and computational methods,major progress has been made in identifying the genomic locations and distributions of various RM types throughout the transcriptome.^(1)
基金supported by the Technology Program of State Grid Corporation of China(No.SGSDJY00GPJS1900058)
文摘The coordinated operation and comprehensive utilization of multi-energy sources require systematic research.A multi-energy microgrid(MEMG)is a coupling system with multiple inputs and outputs.In this paper,a system model based on unified energy flows is proposed to describe the static relationship,and an analogue energy storage model is proposed to represent the time-dependency characteristics of energy transfer processes.Then,the optimal dispatching model of an MEMG is established as a mixed-integer linear programming(MILP)problem using piecewise linear approximation and convex relaxation.Finally,the system model and optimal dispatching method are validated in an MEMG,including district electricity,natural gas and heat supply,and renewable generation.The proposed model and method provide an effective way for the energy flow analysis and optimization of MEMGs.
基金supported by National Key Research and Development Program(No.2017YFB0903300)National Natural Science Foundation of China(No.51777105).
文摘Better flexibility and controllability have been introduced into distribution system with the development of new loads and resources.As a consequence,the connotations and tools for evaluating the planning solution need to be further enriched.This paper proposes a fast algorithm to quantify steady-state voltages and load profiles in distribution system by simulating the manipulation control process of controllable resources,taking the efficiency and ease of use into account.In this method,a complex distribution system is decoupled into several simple parts according to the ports of the DC interlink.Then,to achieve the qualified voltages and load profiles,the manipulation details of controllable resources are simulated following a certain control sequence in each part.Finally,the analysis results of each part are matched and filtered to obtain a complete evaluation.Five types of the most commonly controllable resources are considered in this method.The effectiveness of the proposed method is demonstrated through a case study based on field data from an actual distribution system.
基金The National Key Research and Development Plan(2017YFB0903504)Science and Technology Project of the SGCC(5210EF17001c).
文摘The optimal configuration of battery energy storage system is key to the designing of a microgrid.In this paper,a optimal configuration method of energy storage in grid-connected microgrid is proposed.Firstly,the two-layer decision model to allocate the capacity of storage is established.The decision variables in outer programming model are the capacity and power of the storage system.The objective is the least investment on the battery energy storage system.The decision variable in inner programming model is the charging and discharging power of battery.The objective is the lowest power fluctuation on the connection line.Then a case containing a grid-connected microgrid with wind power,photovoltaic,battery energy storage and load is studied,and the multi-scenario probabilistic method is used.The last result of energy storage configuration is calculated through the probability of each scene.
