WO2011134430A1 - 用于能源利用的系统能效控制器、能效增益装置及智能能源服务系统 - Google Patents
用于能源利用的系统能效控制器、能效增益装置及智能能源服务系统 Download PDFInfo
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- WO2011134430A1 WO2011134430A1 PCT/CN2011/073553 CN2011073553W WO2011134430A1 WO 2011134430 A1 WO2011134430 A1 WO 2011134430A1 CN 2011073553 W CN2011073553 W CN 2011073553W WO 2011134430 A1 WO2011134430 A1 WO 2011134430A1
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for AC mains or AC distribution networks
- H02J3/38—Arrangements for parallely feeding a single network by two or more generators, converters or transformers
- H02J3/46—Controlling of the sharing of output between the generators, converters, or transformers
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for AC mains or AC distribution networks
- H02J3/28—Arrangements for balancing of the load in a network by storage of energy
- H02J3/32—Arrangements for balancing of the load in a network by storage of energy using batteries with converting means
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for AC mains or AC distribution networks
- H02J3/38—Arrangements for parallely feeding a single network by two or more generators, converters or transformers
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for AC mains or AC distribution networks
- H02J3/38—Arrangements for parallely feeding a single network by two or more generators, converters or transformers
- H02J3/381—Dispersed generators
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- H02J2101/10—
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- H02J2101/20—
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- H02J2101/22—
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- H02J2101/24—
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- H02J2101/28—
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- H02J2101/40—
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/76—Power conversion electric or electronic aspects
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E70/00—Other energy conversion or management systems reducing GHG emissions
- Y02E70/30—Systems combining energy storage with energy generation of non-fossil origin
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
Definitions
- the present invention relates to systems and methods for energy utilization, and in particular to system energy efficiency controllers, energy efficiency gain devices, energy efficiency matching stations, and smart energy service systems for achieving distributed energy optimization utilization. Background technique
- the key to solving the energy problem is to develop a low-carbon economy that uses clean alternative energy sources, improves energy efficiency and reuse, and reduces greenhouse gas and other pollutant emissions while maximizing the output of society as a whole.
- climate technology innovation and institutional innovation climate change mitigation and sustainable human development.
- the low-carbon economy is considered to be the fifth wave of revolutionary changes in the world economy after the industrial revolution and the information revolution, and low-carbon and high-efficiency will become the mainstream mode of future life.
- the prior art mainly focuses on the utilization of electric energy as one of the forms of energy, in which techniques for improving the efficiency of electric energy utilization using information technology have been employed.
- the interactive power network proposed by Chinese scholar Wu Jiandong is based on the open and interconnected information model. By loading the system digital equipment and upgrading the power network management system, it realizes power generation, transmission, power supply, electricity consumption, customer sales, power grid hierarchical scheduling, and integrated services. The intelligent, informational, and hierarchical interactive management of the entire process of the power industry. However, no specific technical solutions have been proposed for the interactive power grid, and there is still no feasibility.
- the smart power grid in the energy plan proposed by Obama after taking office is to establish a unified power network across the United States in four time zones; to develop the smart power grid industry, to maximize the value and efficiency of the US national power grid, and to realize the US solar and wind energy. , unified access to geothermal energy network management; comprehensive promotion of distributed energy management.
- the Institute of Electrical and Electronics Engineers (IEEE) has developed the standard and interoperability principle of intelligent power grids (IEEEP2030), which includes the following three aspects: power engineering, information technology, and communication protocols.
- GE Energy of the United States also elaborated on the concept of "smart power network” (or “energy Internet”), which provides two-way information flow, multi-directional energy flow and closed-loop automatic control in the existing power network, so that people can Energy use makes intelligent decisions that help manage and improve energy efficiency.
- closed-loop automatic control based on information flow is an important direction for the future power grid, GE Energy has not yet proposed a specific technical solution.
- US Patent Application No. 20090281677 to Taft et al. discloses a "smart power network" for improving power network management, which mainly includes the following aspects: First, the degree of digitization is improved by connecting assets and devices through sensors; Second, data integration system and data are The collection system; the third is the ability to conduct analysis, that is, based on the data already available for correlation analysis to optimize operation and management. Through the optimized management of the various aspects of power production, transportation and retail, the relevant enterprises can improve operational efficiency and reliability and reduce costs.
- US Patent Application No. US20090281677 which is assigned to Energy and Power Solutions, discloses a system and method for optimizing energy use and mitigating environmental impacts, wherein data of an application (ie, energy consuming facility) is collected, processed, and analyzed through a communication network. This allows the application manager to discover potential aspects of energy saving and emission reduction.
- an application ie, energy consuming facility
- US Patent Application No. US20080039979 assigned to V2 Green, discloses a system and method for power concentrating and distributing, wherein the power provided by the distributed power supply is provided to the application via the power network, and the power supply, the application, and the power network The information is sent to the Flow Control Center via the Internet.
- This patent application also teaches the use of batteries and ultracapacitors of electric vehicles as networked electrical energy storage devices that are intermittently or permanently connected to the power grid.
- the above prior art realizes the intelligence of electric energy production, transmission and utilization by combining the existing power network with the network communication technology.
- the above prior art only involves energy efficiency optimization of single energy (ie, electric energy) utilization, mainly energy saving of equipment or enterprise energy saving, and does not realize integration and optimization of various types of energy, and does not realize urban and regional energy saving.
- the production or storage device 13 independently supplies electric energy, heat energy, and gas to the user via the power grid 21, the heat net 22, and the gas grid 23 for use by the electric device 31, the pick-up device 32, the gas cooker 33, and the like.
- the production, transportation and use of these three energy sources are completely independent.
- the three energy networks are optimized separately, and the production capacity and energy consumption are matched.
- the inventors have proposed new energy utilization systems and methods. It is an object of the present invention to provide a multi-energy (multiple types of energy sources and/or energy sources from multiple geographic locations) for coupling utilization, for distributed energy management and decision making, and for energy efficiency throughout the entire process of energy use. Optimized ubiquitous energy network solution.
- Another object of the present invention is to provide a method of energy trading and service in which at least one of a plurality of types of energy sources is provided to an application end using a ubiquitous energy network according to the selection of the application side.
- a system energy efficiency controller is provided, coupled to at least one of an energy production device, an energy storage device, an energy application device, and an energy regeneration device, wherein the system energy efficiency controller cooperatively controls an energy production device And an input and output of a ubiquitous energy flow of at least one of an energy storage device, an energy application device, and an energy regeneration device, the ubiquitous energy flow comprising at least one of an energy flow, a material flow, and an information flow.
- the ubiquitous energy flow includes a flow formed by coupling energy flow, material flow, and information flow.
- an energy efficiency control method for managing energy utilization using a system energy efficiency controller comprising the steps of:
- the system energy efficiency controller acquires energy production devices, energy storage devices, energy application devices, and energy sources Status information of the regeneration device;
- the system energy efficiency controller determines an optimization scheme for cooperative operation of each device according to the state information; and C) the system energy efficiency controller cooperatively controls at least an energy production device, an energy storage device, an energy application device, and an energy regeneration device a ubiquitous energy input and output,
- the ubiquitous energy stream includes at least one of an energy flow, a material flow, and an information flow.
- an energy efficiency gain device including a distributed power generation device, a heat/cold production device, a hot/cold storage device, and a potential energy pump connected to an energy application device, wherein the potential energy pump consumes
- the electric energy provided by the electric energy production device raises the waste heat generated by the energy application device to an available level, and transfers the upgraded thermal energy to the thermal energy storage device or directly to the energy application device for direct utilization.
- an intelligent energy service system including at least one of a system energy efficiency controller and an energy production device, an energy storage device, an energy application device, and an energy regeneration device connected to the system energy efficiency controller, wherein At least a portion of the energy consumed by the smart energy service system is provided by itself.
- NP-Net has established an innovative concept of intelligent ubiquitous energy, creating a new energy system for smart energy, including new energy structures, new energy production and application methods, and new ways of energy conversion.
- Intelligent energy is based on the comprehensive utilization of renewable energy and environmental potential energy.
- the ubiquitous energy network is used as a carrier to realize intelligent synergy and full life cycle of energy through the coupling of information flow, energy flow and material flow, ie, ubiquitous energy flow management. In turn, the system's energy efficiency is optimized.
- the ubiquitous energy network integrates energy and information in the four stages of energy production, storage, application and regeneration to form a real-time synergy of multi-category hybrid energy input and output across time and space, and its core is through
- the energy flow, material flow, and information flow within the four-link system and between the system and the environment are optimally controlled to maximize the energy utilization efficiency of the entire energy system throughout the life cycle.
- the energy efficiency control system performs supply and demand conversion matching, cascade utilization, and space-time optimization for each energy flow to maximize system energy efficiency, and finally outputs a self-organized highly ordered and efficient intelligent energy source.
- the nodes of the ubiquitous energy network for example, the ecological community built with the concept of the ubiquitous network
- the local area network for example, the town built with the concept of the ubiquitous network
- the optimistic control of the energy efficiency controller of the WAN system can be used for different energy sources.
- the ubiquitous energy network uses Internet information and communication technology, which not only optimizes the energy structure, but also improves the energy efficiency of the system.
- Internet information and communication technology which not only optimizes the energy structure, but also improves the energy efficiency of the system.
- innovative business and market models are possible.
- Figure 1 shows a schematic diagram of a prior art system for implementing multiple types of energy utilization.
- FIGS 2a-2f show examples of production devices for various types of energy sources.
- Figures 3a-3d show the four links of energy use and their relationship to the physical pipe network.
- Figure 4 shows the topology of the ubiquitous energy network.
- Figure 5 shows the logical structure of the ubiquitous energy network.
- Figure 6 shows a schematic diagram of an energy efficient four-link system including an energy efficiency matching station.
- Figure 7 shows a schematic diagram of an energy efficiency matching station.
- FIGS 8a and 8b show the energy efficiency of the system for energy utilization using traditional power grids and ubiquitous energy grids, respectively.
- the ubiquitous energy network includes nodes connected by a virtual pipe interconnection network architecture that transmits ubiquitous energy flows, and ubiquitous energy flows are transmitted bidirectionally between nodes.
- the node includes at least one of a system energy efficiency controller, and other nodes connected to the system energy efficiency controller, an energy production device, an energy storage device, an energy application device, and an energy regeneration device.
- the system energy efficiency controller controls the input and output of the ubiquitous energy flow of at least one of the other nodes, the energy production device, the energy storage device, the energy application device, and the energy regeneration device, and the energy flow includes the energy flow, the material flow, and the information flow.
- a logical flow of intelligence formed by coupling synergies.
- the ubiquitous energy network includes the entire life cycle of energy (energy production, energy application, energy storage, energy regeneration), through the system.
- a closed-loop intelligent energy network system formed by a universal energy gateway such as an energy efficiency controller and an energy efficiency gain device, and a ubiquitous energy flow as a carrier of energy, matter, and information.
- Universal energy flow A logical intelligent flow formed by the coupling of energy flow, material flow and information flow.
- the ubiquitous power transmission medium can be synchronously transmitted in the transmission device by being physically and logically coupled.
- the ubiquitous flow (state flow) is a fire flow with intelligent control.
- Energy flow includes electrical energy, thermal energy, pressure energy, tidal energy, mechanical energy, and so on.
- Machine flow at least one selected from the group consisting of cold, heat, electricity, and energy regeneration devices, including at least one of natural gas, hot water, cold water, steam, co 2 , biogas, and the like.
- the material flow may be an energy carrier (such as hot water, cold water), or it may be the energy itself (such as biomass used to generate electricity, biogas).
- Information flow Includes virtual tags for energy production devices, energy storage devices, energy applications and energy regeneration devices, and real-time price information for energy sources.
- the ubiquitous gateway connects to the terminals of the ubiquitous energy network, including the system energy efficiency controller and the optional energy efficiency gain device.
- the ubiquitous energy gateway completes the allocation, buffering and conversion of the ubiquitous energy flow between the network nodes.
- System energy efficiency controller The system energy efficiency controller connects the intelligent terminal of the four-link device, the ubiquitous energy network node and the ubiquitous energy gateway through the ubiquitous energy network, according to the real-time monitoring of the energy flow, the flow and flow of the information flow and the material flow, and the fourth The operation status of each device in the link predicts the change of flow, material flow and information flow and the increase and decrease of traffic in the future, and timely adjusts the four links of intelligent terminals, ubiquitous network nodes and ubiquitous energy networks such as ubiquitous energy gateways.
- the control parameters of the equipment are used to optimize the energy efficiency of the system while making full use of the environmental potential energy and renewable (exergy).
- the system energy efficiency controller is not only the core hub for information and energy interaction, but also the physical carrier for system self-organization and ordering.
- Environmental potential energy refers to energy sources such as solar energy, geothermal energy, and wind energy. As long as it is within the regional airspace where the four-link system is located, rather than from the outside world, it does not affect external energy access. Environmental potential.
- Energy efficiency The efficiency or effect of energy use, including a set of parameters such as thermal efficiency, electrical efficiency, and exergy efficiency that measure the effectiveness of the system on energy grade and quantity.
- System energy efficiency The efficiency or effect of energy use in a system, including a group such as thermal efficiency, electrical efficiency,
- Exergy Exergy
- Efficiency measures the parameters of the system's use of energy grades and quantities.
- An important aspect of system energy efficiency improvement is the matching of energy supply and demand grades and quantity, which is an improvement on human productivity and energy use.
- the inventors analyzed the multi-level energy utilization systems of households, regions, and cities, and found that the energy utilization systems all include energy production, energy storage, energy application, and energy regeneration.
- Energy production should be the production of many types of energy, that is, the full price of energy.
- the power plant will not only output electricity, it should be a system of electric heat cogeneration; if the solar energy efficiency is low, then the developed product should be a solar energy cogeneration module; bio-energy can also realize the module of cogeneration.
- Efficient integrated systems should be used in energy applications, rather than a single energy form and energy technology applications, such as the construction industry using advanced peripheral protection structures to achieve building insulation, efficient heat pump systems, variable frequency central air conditioning systems, etc.
- energy applications rather than a single energy form and energy technology applications, such as the construction industry using advanced peripheral protection structures to achieve building insulation, efficient heat pump systems, variable frequency central air conditioning systems, etc.
- advanced peripheral protection structures to achieve building insulation, efficient heat pump systems, variable frequency central air conditioning systems, etc.
- advanced peripheral protection structures to achieve building insulation, efficient heat pump systems, variable frequency central air conditioning systems, etc.
- advanced peripheral protection structures to achieve building insulation, efficient heat pump systems, variable frequency central air conditioning systems, etc.
- advanced peripheral protection structures to achieve building insulation, efficient heat pump systems, variable frequency central air conditioning systems, etc.
- advanced peripheral protection structures to achieve building insulation, efficient heat pump systems, variable frequency central air conditioning systems, etc.
- advanced peripheral protection structures to achieve building insulation, efficient heat pump systems, variable frequency central air conditioning systems, etc.
- advanced peripheral protection structures
- various types of energy sources such as electric energy, heat energy, cold energy, and mechanical energy can be stored, and the potential energy can be utilized to maximize the energy utilization efficiency of the system through a single borrowing and secondary borrowing.
- the so-called one-time advantage refers to the process of directly using solar energy or geothermal energy to supply energy for the application process. This utilization is instantaneous and there is no delay.
- the process of collecting from the environment in the absence or use of it, and generating energy for obvious use or ease of use at another time or location, is called secondary borrowing.
- use energy storage links for example, to store cold water in winter through underground aquifers, to use as chilled water for building HVAC systems in the summer, to cool buildings, or to store cold energy in winter by using buried pipes. In, stay in the summer.
- energy storage methods There are two types of energy storage methods: one is that the type of energy does not change during storage; the other is to convert one form of energy into another form of energy for storage. That is, energy conversion is also included in the latter's energy storage.
- electrolyzed water is used to convert the electricity generated by a solar cell into chemical energy, which is stored in the form of hydrogen and oxygen.
- Optimization of energy storage includes improving energy storage efficiency, reducing energy losses during storage, and optimizing control during storage.
- the role of energy storage in the four-link system is as follows: 1. Used in storage systems or The energy absorbed in the environment can be used when needed for a period of time, thereby improving the efficiency of energy utilization. 2. Realizing a lending potential and a secondary borrowing potential to achieve system energy efficiency gain.
- the energy regeneration link refers to the collection of energy resources in the application, production and storage of the energy system, and re-offer it to other parts of the system (such as energy production links or energy efficiency gain devices). If the system utilizes the residual energy of the external system, this part should be included in the energy production process, and should not be counted as a regeneration link.
- the energy regeneration link is a nonlinear link within the system. Since the energy input of the regeneration link mainly comes from the residual energy generated by other parts of the system, its output is also the other part of the system, which forms a closed-loop feedback inside the system. When the regenerative link absorbs residual energy, a positive feedback loop of system energy efficiency is formed, resulting in a non-linear effect of energy efficiency, ie energy efficiency gain.
- a conventional power plant is a conventional electric power producer, but in the present application, a generator inside the power plant is further used as an energy production link, and an internal exhaust recovery system is used as an energy regeneration link, and its internal Electrical equipment is used as an energy application. Therefore, the conventional power plant constitutes a node in the ubiquitous energy network described below, and is not considered to be a separate energy production link.
- Traditional power grids offer limited electrical energy storage capabilities, including energy storage with limited capacity.
- the power supply must continuously generate electrical energy to maintain the flow of energy over the link.
- energy regeneration is usually not included. For example, at the application end, a portion of the electrical energy is released into the atmosphere in the form of waste heat generated by the appliance and discarded.
- the inventors have proposed an energy-efficient four-link system including a system energy efficiency controller, energy production, energy storage, energy application, and energy regeneration.
- the energy production device 101 includes, but is not limited to, a solar power generation/heating device 1011, a wind power generation device 1012, a geothermal power generation/heating device 1013, a nuclear power generation/heating device 1014, a thermal power generation/heating device 1015, and Cogeneration unit 1016.
- the cogeneration unit 1016 is one selected from the group consisting of a gas turbine, an internal combustion engine, a fuel cell, a radiant panel coupled solar panel (PVR), and a combined heat and power system (CCHP).
- CCHP is based on the concept of cascade utilization of energy, and it is a multi-generation total energy system that combines cooling, heating (heating and hot water supply) and power generation process.
- the generator set shares the engine with the air conditioning unit. , can significantly improve energy efficiency and reduce carbon dioxide Emissions of substances and other pollutants.
- the raw materials of the energy production device 101 mainly include solar energy, geothermal energy, wind energy, geothermal energy, nuclear matter, coal, biomass, etc., and convert the raw materials into three different forms of mixed energy - gas (gas), Electricity, heat.
- the three raw materials are respectively sent to the energy application device 103 of the gas supply, the power network and the heat network to the application end.
- the energy producing device 101 can also generate hot water/cold water, which is supplied to the energy application device 103 via the hot water/cold water network.
- the primary energy is converted into secondary energy such as electricity, heat, cold, gas, etc., which can be directly utilized by the application link through the energy production link.
- secondary energy such as electricity, heat, cold, gas, etc.
- the biomass is firstly processed in a biogas plant 1017 by a four-stage process of batching, fermentation, purification, and separation to produce formazan gas, and then supplied as a raw material to the cogeneration unit 1016; the coal is first gas in the atmospheric pressure catalytic device 1018. The gas is produced and then supplied as a raw material to the cogeneration unit 1016.
- the energy production device includes a heat energy production device that generates heat energy by using exhaust gas generated by the power generation device, waste heat, and/or an electric energy production device that generates electric energy by using exhaust gas generated by the power generation device and waste heat.
- the energy storage device 102 includes, but is not limited to, a power storage device 1021 and a heat storage/storage device 1022, wherein the power storage device 1021 is, for example, an all-vanadium flow battery, a lithium ion battery, and heat storage/storage.
- Device 1022 is, for example, a heat storage/cold tank.
- the energy storage device 102 receives the electric energy, heat energy, hot water/cold water supplied from the energy production device 101, and supplies it to the energy application device 103 as needed.
- the energy application device 103 includes, but is not limited to, a charging station 1031, a gas station 1032, a factory power device 1033, a villa 1034, an apartment 1035, and an intelligent energy service system 1036.
- the energy application device 103 generates emissions such as carbon dioxide and wastewater and supplies them to the energy regeneration device
- the energy regeneration device 104 includes, but is not limited to, a carbon dioxide treatment device 1041 (e.g., a microalgae carbon bioenergy plant) and a wastewater treatment device 1042.
- a carbon dioxide treatment device 1041 e.g., a microalgae carbon bioenergy plant
- a wastewater treatment device 1042 e.g., a wastewater treatment device
- the material flow, the energy flow and the information flow are coordinated, the dynamic matching of different grade energy sources and the cascade utilization are completed.
- the inventors propose a multi-energy utilization scheme of a ubiquitous energy network, the basic architecture of which is a two-way transmission coupling cooperative information flow, energy flow, and material flow internet, thereby forming an intelligent energy network system.
- the energy flow transmitted by the ubiquitous energy network includes, but is not limited to, electrical energy and thermal energy.
- the material flow is also transmitted in the ubiquitous energy network.
- the ubiquitous energy flow is a logical intelligent flow formed by the three-phase energy flow, the material flow and the information flow coupling together; in the ubiquitous energy network, the ubiquitous energy flow flows to each node in the ubiquitous energy network, so that each node is bidirectional
- the ubiquitous energy flows are linked to each other as carriers.
- the essence of ubiquitous energy flow is: three-stream coupling and synergy; three-stream coupling and synergy produce nonlinear effects, ie energy efficiency gain; ubiquitous energy flow is intelligent flow, so the intelligence of ubiquitous energy network is based on three-stream coupling and synergy intelligence.
- FIG 4 shows a topology of a ubiquitous energy network for achieving multi-energy utilization.
- the ubiquitous energy network includes a network formed by the interconnection of nodes 100.
- the nodes of the ubiquitous energy network may include a complete set or subset of four links, i.e., one or more of the energy production device 101, the energy storage device 102, the energy application device 103, and the energy regeneration device 104.
- the ubiquitous energy network not only allows access to traditional power generation companies and traditional homes, but more importantly allows access to new types of distributed energy sources, such as homes equipped with solar or wind power, living quarters equipped with geothermal pumps. .
- a distributed energy system is located near an energy application.
- the system energy efficiency controller 105 is connected to any one of the energy production device 101, the energy storage device 102, the energy application device 103, and the energy regeneration device 104 in the node 100, and is associated with the upper level, the same level, and/or the next level. Other nodes are connected to control the input and output of the ubiquitous energy flow between the four links and between the nodes via the virtual pipe 106.
- the node 100 is also directly or indirectly connected to the transaction server 200, and the energy application devices in any of the nodes can obtain information about the type of energy required from the transaction server 200 and purchase energy therefrom, and then via The virtual pipe 106 acquires the energy source.
- the virtual pipeline 106 includes an internet and regional network for transmitting information streams, a power grid and a heat network for transmitting energy streams, a gas grid for transporting material streams, a hot water/cold water pipe network, a carbon dioxide recovery pipe network, and a waste water recovery pipe.
- the web is even a collection of physical transport vehicles.
- the material flow or energy flow network connects all the devices and equipment in the four links of the area.
- Virtual pipeline 106 is a carrier for ubiquitous streaming.
- the energy flow or material flow flowing in the virtual pipeline 106 of the ubiquitous energy network is virtually labeled and can be simply understood as the currently visible combination of energy modules and energy modules with perceptual information tags.
- the intersection of the virtual pipeline 106 becomes the node of the ubiquitous energy network 100, and the system energy efficiency controller 105 implements access and routing of the energy terminal at the node.
- the ubiquitous flow can flow unimpeded between any node in the network.
- the pipeline of ubiquitous energy flow can be supported by physical entities or virtual pipelines without physical entities.
- physical physical pipelines spanning the Pacific Ocean can be virtual, and there is no such visible pipeline, and can even extend to other Planet.
- Virtual pipelines must be symbiotic with pipelines with physical entities.
- Such physical physical pipelines can be simply understood as current gas pipelines, power lines, water pipes, oil pipelines, airplanes, ships, cars, trains, etc.
- Coupling with information communication pipelines in various forms, such as power lines for information communication and transmission of electric energy, or pipelines for coupling natural gas pipelines with information communication fibers.
- the node device completes access and routing of the ubiquitous flow terminal.
- Pipeline and node equipment providers undertake research and development and support of pipelines and node equipment, and operators of pipeline construction and operation undertake construction and maintenance.
- Each layer or every subnet of the ubiquitous energy network is built on the infrastructure of an energy efficient four-link system. From the universe to the microscopic particles, they are all built on the basic elements of energy. In the real world, from the city's energy network, to the park, to the family, it is a four-step energy network subdivided in the first level, so we say that in a physical area, the formally distributed energy network In fact, there is a strict orderly energy network in accordance with the four-step nesting and interlocking. This structural ordering establishes a system for optimizing the energy efficiency of the system in this area. The physical basis for structural optimization.
- Some nodes and their subordinate nodes include the system energy efficiency controller, and the complete set of energy production, energy storage, energy application, and energy regeneration, thus forming the above four energy efficiency system.
- nodes may only include system energy efficiency controllers, as well as subsets of energy production, energy storage, energy applications, and energy regeneration.
- system energy efficiency controllers are not four-link systems, but as long as By connecting the system energy efficiency controller to the system energy efficiency controller, a node can be constructed.
- the ubiquitous energy network of the present invention allows access to conventional power plants, traditional homes, and new distributed energy systems (such as home solar power plants, regional wind power plants), as long as a complete energy efficient four-link system is formed throughout the network. Just fine.
- a virtual tag is a data package that encodes, senses, and controls information generated by at least one of an energy production device, an energy storage device, an energy application device, and an energy regeneration device.
- a virtual tag is part of a stream of information transmitted in a ubiquitous network that couples the stream of energy and material streams transmitted in the ubiquitous network.
- a power module with a virtual tag is transmitted in a specific scenario
- a combination module of a power and a natural gas with a virtual tag is transmitted in a specific scenario to transmit power and heat with a virtual tag in a specific scenario.
- the combination module transmits a combination of power with a virtual tag and biogas and cold energy in a specific scenario.
- a virtual tag includes the following information:
- Energy type electricity, natural gas, heat, cold, co 2 , biogas, etc., one or a combination of these; producer: manufacturer, or controllable area, or virtual participation in trading units; Carbon emissions: carbon taxes, carbon indicators, tax cuts and subsidies;
- the ubiquitous energy access terminal must be connected to such a network to acquire or provide ubiquitous energy.
- the ubiquitous energy flow terminal can be equipment of various scales and forms. Currently visible thermal power plants, nuclear power plants, and solar photovoltaic integration Equipment, car charging and discharging batteries, solar charging stations, biogas digesters, wind power plants, computers, refrigerators, gas turbines, single buildings, cities, regions, homes, in short, will present all energy applications, energy production, energy storage, energy
- the regenerative terminal equipment is further modified by adding an interface module supporting the access of the ubiquitous energy network.
- a hybrid vehicle can add a virtual tag, a charge and discharge line interface, and a communication module interface to its charging and discharging battery, and can access the system energy efficiency controller to obtain and/or provide power with a virtual tag from the ubiquitous energy network. .
- the transaction server 200 controls energy transactions and services of nodes directly or indirectly connected thereto, and the transaction server includes: a storage device for storing a plurality of energy production devices and/or Or a virtual tag of the energy storage device containing energy-related information; a real-time price generating device that generates a real-time price based on a virtual tag of the plurality of energy production devices and the plurality of energy storage devices and a demand for the energy application device, wherein the transaction server is based on the energy source
- the application device provides the virtual tag and real-time price information of the energy production device and the energy storage device.
- the method of utilizing the transaction server 200 to provide energy transactions and services includes the following steps: a) multiple energy production devices and/or energy storage devices transmit virtual tags containing energy related information to the ubiquitous energy network.
- the transaction server generates real-time prices based on the virtual tags of the plurality of energy production devices and the plurality of energy storage devices and the requirements of the energy application device;
- the energy application device obtains virtual tags and real-time price information of the energy production device and the energy storage device from the transaction server; d) the energy application device selects an energy source based on the information obtained;
- the energy application device obtains energy through a virtual pipeline.
- the entity that operates the transaction service can be separated from the entity that builds the ubiquitous network infrastructure.
- the transaction services generally have the following functions and technologies: Based on current geographic information technology, GPS technology, cloud computing, and cloud storage technologies, P2P's proprietary service solutions are provided for both the supply and demand sides. For example, a home user can access the Ubisoft network. After any supplier chooses, the server will automatically calculate a price for the user in real time, so that different household users choose the same supplier, but the price distribution will be based on the real-time price of the network. This price is not set by the supplier. The constant price is based on the price calculated by the supplier for the user and is a real-time distributed function. Companies that operate trading services will appear similar to the current companies in Gu Ge and Amazon.
- middlemen wholesale their energy from energy production devices, resell or retail through energy trading platforms to energy applications, energy storage devices, or energy regeneration devices.
- the role of the middleman can be analogized by the banks in the financial system.
- One of the important functions is the customer's deposit (such as ubiquitous supply) and fetch (such as ubiquitous application).
- the energy purchased by the buyer from the middleman as indicated by the virtual label (panergy) is not necessarily produced by the energy production device, but its virtual label must be produced by the energy production device, just like the banknotes taken by the customer from the bank. Not necessarily the same as the banknotes deposited by the customer.
- the energy buyers and sellers do not care, they only care about the final price and quality.
- middlemen include a platform based on ubiquitous energy network, in which virtual pipelines can help middlemen reduce energy consumption and reduce transportation costs, thus achieving energy-saving emissions and efficiency.
- the virtual energy market can be participated in the form of a virtual factory through the ubiquitous gateway, and household users can be bundled to participate in the energy market to increase the voice.
- renewable energy sources such as solar energy, wind energy, and water energy can be seen at present, and renewable energy such as biogas and hydrogen may win in the future. I can imagine what our urban living environment will look like in the future. Take the community we live in as an example. In addition to building a house at the beginning of construction, it is important to plan the environment in which the house is located to make full use of the natural environment and energy, and create harmony with nature.
- Ecosystem comprehensive planning of solar energy utilization, wind energy utilization, utilization of geothermal energy, utilization of renewable energy, selection of natural resources and energy according to local conditions, community can be used as a subsystem of energy integrated cascade utilization, will become the access terminal of the ubiquitous energy network It can be used either as a demander or as a capacity supplier, and can participate in the trading of the ubiquitous network freely and equally.
- the families in the community can also form a ubiquitous energy network access terminal, and can also participate in the ubiquitous network transaction freely and equally with the community in which they live, so that traditional energy application concepts will be broken. For example, there may be a large enterprise The energy can be a collection of surplus, cheap, multi-variety energy from many families, and the current opportunities for energy applications are unlikely to happen.
- FIG. 5 is a schematic diagram showing the logical structure of the ubiquitous energy network, wherein four types of nodes 201-204 of the machine-machine mutual inductance layer of the ubiquitous energy network are illustrated as an example, and the intelligent service platform of the human-machine interaction layer of the ubiquitous energy network is shown. 300, and the human-human mutual intelligence system 400 of the ubiquitous energy network.
- the home node 201 includes a solar panel 101a, a battery pack 102a, an electrical device 103a, and a small microalgae carbon sucking device 104a, and is connected to the ubiquitous energy network via the home gateway 105a.
- the building or community node 202 includes a solar panel 101b, a biogas digester 101b', a battery pack 102b, an intelligent building 103b, and accesses the ubiquitous energy network via the regional gateway 105b. There is no energy regeneration device installed at this node.
- the transportation industry node 203 includes a solar charging station 101c, a biogas digester 101c', a battery pack 102c, a smart transportation system 103c, and accesses the ubiquitous energy network via the transportation industry gateway 105c. There is no energy regeneration device installed at this node.
- the city node 204 includes a solar power plant 101d, a battery pack 102d, a power plant 103d, and a large microalgae carbon plant 104d, and accesses the ubiquitous energy network via the city gateway 105d.
- the ubiquitous energy network also provides an intelligent service platform 300 for the human-machine interaction layer, on which the Internet communication service 301, the energy efficiency optimization service 302 and the transaction service 303 are provided.
- Energy efficiency optimization services 302 include energy matching, energy routing, energy efficiency gains, energy efficiency control, and more.
- the ubiquitous network also led to the creation of a new human-to-human interpersonal system 400, which provides expert decision-making capabilities.
- the mutual intelligence system includes institutions corresponding to the energy efficiency four-link system, namely, the energy production organization 401, the energy storage mechanism 402, the energy application organization 403, and the energy and environmental protection department 404, and the system energy efficiency control of the human-human interaction layer of the ubi-energy network. System.
- Ubiquitous energy network is the integration of distributed intelligent network and centralized network. It consists of multiple levels of physics: family, region and city. Each level is composed of energy-efficient four-link system. Three levels of virtual: mutual inductance, Interaction and mutual intelligence are characteristic.
- the households, regions and cities of the ubiquitous energy network will be the main targets of distributed energy.
- the households, regions and cities in the ubiquitous energy network are not only energy application units. It is also a local energy production and storage unit. Based on the mutual benefit, interaction and mutual wisdom of the ubiquitous energy network, it forms a clean, efficient, intelligent and safe network.
- sensors such as temperature, illuminance, and human perception can sense the activities of people, and adjust the settings of lighting and air conditioning in each room. This is the mutual sense of the environment; the home energy management system.
- HEMS Home Energy Management System
- HEMS Gives advice on the use of electricity and gas through the algorithm of gas price and electricity price. This is the interaction after coupling and coordination; after a period of time, users use electricity, gas, water, hot and cold information in detail.
- artificial intelligence technology can also be used to construct a home energy application model, and further optimization techniques such as time and space can be used to transform HEMS intelligent programming into automatic intelligent response.
- the ubiquitous network-based network service platform Based on the ubiquitous network-based network service platform, it receives the underlying dynamic (real-time and non-real-time) feedback information, and analyzes whether the event and event type are formed according to the definition of the event type. It is difficult to make decisions through the human-human mutual intelligence layer. Mutual intelligence networks form decision-making commands, and accordingly, corresponding decision orders are issued to the human-machine interaction layer.
- the ubiquitous energy network solves the network relationship between machine and machine, people and machine, and people through mutual inductance, interaction and mutual intelligence.
- the ubiquitous energy network is a smart energy network system in which information, energy and matter are integrated through intelligent collaboration. It is a ubiquitous and universal network system that combines the "intelligence" of the human world with the "energy” of the material world in every corner of human life. Its "energy” is based on multi-category hybrid energy (such as electricity, heat, gas, etc.) An energy system built around the entire life cycle of the four links, including energy production, storage, transportation, application and regeneration.
- the ubiquitous network has the characteristics of "smart" described in the first feature.
- This wisdom is a logical optimization decision system, which includes three layers of intelligent optimization decisions: machine-to-machine interaction, human-computer interaction, and human-in-one intelligence.
- This intelligence can be understood as the basic algorithms and procedures that are solidified in the machine.
- the second layer of horizontal optimization Human-computer interaction is to intervene according to certain optimization goals, so that the curing process (behavior) of the machine changes, and finally achieve certain optimization goals, such as economic goals, local energy efficiency optimization goals. and many more.
- the second level of horizontal optimization People and one person are actually social decision-making systems. The simple understanding is that people make a mutual decision in order to solve one thing, and finally form a decision. It can also be understood as one thing right. Made an optimized decision (goal).
- Three-tier vertical optimization Three-layer intelligent decision-making optimization is interrelated and interdependent. A person's decision-making by mutual intelligence depends on the human-machine interface and resolves to the machine level for execution. Therefore, the three-layer logic optimization decision-making system does not correspond to a certain physical level, and at least one level of optimization can be included at a certain physical level. For example, in the four-step control system, the control layer, the management layer, the scheduling layer, etc. are actually included. The overall control optimization depends on the machine (controller, optimizer), people (operators, decision makers) to Completed.
- the three-layer intelligent optimization decision-making system of ubiquitous energy network is different from the traditional information intelligence system.
- the intelligent solution of the former is the overall optimization decision of the energy-efficient four-link system, not a single link or a single energy form, so it
- the goals, strategies, and mechanisms are completely different from existing or traditional IT networks, control networks, and single energy networks.
- the system energy efficiency controller 105 includes at least two of a terminal, a switch, a router, a logic controller, a building controller, a work machine, a dedicated control system/controller, and an energy efficiency optimizer.
- the system energy efficiency controller 105 obtains status information of the energy production device 101, the energy storage device 102, the energy application device 103, and the energy regeneration device 104 connected thereto, and transmits a control command to each device. This results in a complete closed loop control to perform energy efficiency optimization.
- system energy efficiency controller 105 of one node is shown in Fig. 4, but the function of the system energy efficiency controller 105 is not limited to the inside of the node.
- the system energy efficiency controller 105 of each node in the ubiquitous energy network can perform coordinated control.
- the system energy efficiency controller 105 of the upper node not only controls the energy production device 101, the energy storage device 102, the energy application device 103, and the energy regeneration device 104 in the node, but also controls the system energy efficiency control in the next level node. Device.
- Energy efficiency optimizers include process optimizers, link optimizers, gas/electric/thermal network optimizers, central optimizers, analog/emulators, client publishers, switches, routers, and terminals. Reduce overall energy consumption by fine-tuning the steady-state operating parameters of each device.
- the process optimizer increases the residual heat efficiency in the cascade utilization of thermal energy to improve the energy conversion efficiency of the system.
- the process optimizer is coupled to the plurality of energy production devices 101 and activates/or stops at least one of the plurality of energy production devices 101 including the heat storage/cold tank, and the process optimizer in response to changes in system energy efficiency
- the energy storage device 102 is started/stopped to perform heat storage/cold storage across time periods or across seasons.
- the energy production device 101 includes a solar power generation device
- the energy storage device 1.02 includes at least one of an all-vanadium flow battery, a lithium ion battery
- the process optimizer activates/or stops the energy storage device 102 to balance the energy production device 101. Fluctuation in output power.
- the system energy efficiency controller 105 implements the above-described machine mutual inductance, thereby implementing closed loop control of the energy production device 101, the energy storage device 102, the energy application device 103, and the energy regeneration device 104.
- system energy efficiency controller 105 provides managers with decision information for optimizing energy efficiency and performing control. Implement the following optimal control strategy:
- Energy matching adjustment in energy production and application realizing dynamic peak shaving, time and space optimization; on the basis of energy matching in energy production and application, plus adjustment of storage and regeneration, it is possible to realize cascade utilization of hybrid energy and Process optimization
- the difference between the system energy efficiency controller and the traditional controller is mainly due to its unified deployment of hybrid energy, rather than a single adjustment, which embodies the core idea of system energy efficiency.
- the system energy efficiency controller 105 can control the next stage energy efficiency controller, and the link energy efficiency controller can enter the stagnation energy efficiency controller in the control link.
- the input of the energy efficiency controller in the energy production process is from the electric energy, heat and gas stagnation energy efficiency controller, which generates the input of the mixed energy, and then can control the energy production.
- the energy-efficiency controller of the energy production link through the secondary adjustment, the generated hybrid energy energy is matched and input to the energy-efficient controller of the application link.
- the system energy efficiency controller 105 implements coordinated adjustment of the link energy efficiency controller and the stagnation energy efficiency controller until the energy efficiency at the application end reaches the target value.
- Primary energy is transformed into secondary energy sources such as electricity, heat and cold that can be directly utilized by the application process through energy production.
- secondary energy sources such as electricity, heat and cold that can be directly utilized by the application process through energy production.
- this energy cascade utilization mode significantly improves the energy efficiency of the system.
- the common production end electricity and heat ratio is usually 1:1, while the common application end electricity and heat ratio is 1: 2 to 1: 3, which usually means that you need to directly consume high-grade primary energy to obtain the required Low grade heat or cold.
- the heat and cooling requirements for this heating and cooling demand are very low, and direct use of primary energy production will result in a waste of resources.
- the energy efficiency gain device includes a system energy efficiency controller and a connected potential energy pump.
- the potential energy pump is connected to the distributed power generation device, the hot/cold production device, the hot/cold storage device, and the energy application device, wherein the potential energy pump consumes the electric energy provided by the electric energy production device, and raises the waste heat generated by the energy application device 103 to The higher grade energy is available and the elevated thermal energy is delivered to the thermal energy storage device 102 or directly to the energy application device 103.
- the potential pump is a heat pump.
- the system energy efficiency controller 105 activates the energy efficiency gain device to collect and raise waste heat when the energy application device 103 generates waste heat according to the state information of the energy application device, and stores the generated heat energy into the energy storage device 102 (in the case of "series" configuration) B) or directly to the energy application device (in the case of a "closed loop” configuration).
- the energy efficiency gain device and the energy production, storage, transportation, application and regeneration constitute an extended four-link system to achieve closed-loop utilization and energy efficiency gain of the hybrid energy.
- the potential energy pump (for example, the heat pump) cooperates with the energy storage device 102 to complete the cycle and utilization of the waste heat, the residual pressure, and the geothermal heat, and the output hybrid energy source is directly or indirectly provided to the energy application device 103 for matching and utilization, and realizes four
- the energy gain effect can be gradually realized by reducing the environmental potential energy multiple times, reducing the proportion of input primary energy, increasing the proportion of renewable energy, reducing C0 2 emissions, and achieving low carbon utilization.
- the energy efficiency gain device utilizes a potential energy pump such as a heat pump to upgrade the low-grade environment in the environment and the environmental potential energy that cannot be directly utilized by the energy application link, and uses a small amount of high-grade energy such as electric energy to drive several times its own environmental potential energy to be The higher grade utilized. Therefore, the energy utilization efficiency of the extended four-link system including the energy efficiency gain device is greatly improved. Energy efficiency optimization and evaluation
- the energy system optimization method can be roughly divided into five levels according to the level of the hierarchy and the impact on the overall system:
- the energy system is designed, optimized and planned from the space energy and time structure from the system energy efficiency optimization and gain.
- the four links constitute a closed-loop system for the full life cycle of energy, which can constitute the positive feedback of the structural level of the system energy efficiency, and achieve the system energy saving and energy efficiency gain effect.
- the series system is changed to a parallel system
- the parallel system is changed to a serial connection, or one or more links are added or reduced to the four-step process of the energy efficiency system, for example, from only the application link to increasing production and energy storage.
- Structural optimization has a major impact on the system.
- the optimization algorithm can be used to automatically adjust the structural parameters, and the optimization of the energy structure can be achieved through the adjustment of the parameters.
- Space-time optimization is one of the advanced control strategies of the system energy efficiency controller.
- the one-time and second-benefit characteristics reflect the characteristics of space-time optimization, matching the quality and quantity of environmental potential energy with the requirements of the system energy application to achieve environmental potential energy.
- the purpose of time and space optimization is to achieve optimization of the energy time and space operating characteristics at the same time, and achieve the optimal efficiency of the four-phase energy efficiency system throughout the life cycle.
- the optimization of time dimension includes dynamic matching of energy production and application, day and night peaking, cross-season energy storage, etc., for example, energy storage batteries are used to regulate solar cell power fluctuations, and storage and cooling technology is used to regulate building day and night temperature difference and increase heating. /cooling
- COP coefficient The use of cross-season cold storage technology further improves thermal energy utilization efficiency.
- Space optimization includes energy complementary adjustment to different space areas. For example, according to the activity rules of people in the building and real-time monitoring data, the lighting, heating and electrical equipment operating conditions in different areas of the building are dynamically adjusted, while ensuring normal functions. Achieve energy savings.
- Process optimization is a mature technology often used in chemical system optimization.
- this method is also used to optimize the energy system, and the three streams of energy flow, material flow and information flow are coordinated to achieve the best match, and the process optimization goal of system energy efficiency is realized.
- Process optimization can be carried out at the design stage.
- the simulation of the energy system is carried out through various chemical process simulation software, and the design of the system process parameters and equipment selection are carried out according to the simulation results.
- real-time or near-real-time simulation optimization can be performed through simplified process simulation to instantly optimize the control parameters of each device.
- the range of parameter adjustment of the process optimization generally does not include changing the parameters of the system topology.
- the parameters are generally continuous variables and away from nonlinear mutations. The critical point. For example, in the cascade utilization of thermal energy, the residual heat efficiency is increased, and the energy conversion efficiency of the system is improved.
- optimization of a single device or device but does not include revolutionary innovations, or the improvement of a single device has less effect on the overall system energy efficiency.
- smart appliances in buildings can save energy
- low-power IT equipment saves energy
- industrial pump equipment uses frequency conversion technology and precisely adjusts frequency to achieve optimum efficiency.
- the system energy efficiency assessment system performs energy efficiency analysis based on real-time data collected by DCS or by HYSYS dynamic simulation data, including:
- Examplegy Analytical model: Determine the physical (exergy), chemical (exergy) and diffusion (exergy) of each material flow and energy flow according to parameters such as temperature, pressure, flow, composition, etc.; use fuel-product definition Determine the production function of each unit, and determine the (exergy) damage, (exergy) efficiency and (exergy) loss factor of each link;
- Thermoeconomic model establish the characteristic equation of the system, (exergy) cost equation, thermal economic cost equation, obtain the (exergy) cost of each stock (exergy) flow and (exergy) economic cost; use thermodynamics
- the second law and the thermoeconomic structural theory construct a complete set of four-link (exergy) analysis and thermal economic analysis methods. Taking the energy production link as an example, using the thermal economic model based on fuel-product definition, (exergy) cost and thermal economic cost model to quantify the production interaction process between equipment, analyze the thermodynamic process and its distribution law of system cost formation. .
- Performance diagnosis model Using the thermal economic diagnosis model, based on the reference working condition data, obtain the deviation between the actual working condition and the reference working condition, and analyze and quantify the cause of the deviation;
- Optimization Model Establish a 3E optimization model that considers the Efficiency-Economy environment to optimize, optimize, and optimize the system.
- Energy production links multi-variety hybrid energy co-production, recycling production.
- the traditional single-species energy production process is less energy efficient.
- the system energy-efficient energy production process refers to the production of hybrid energy consisting of multiple energy production equipment, such as various forms of cogeneration, gas and gas cogeneration, and energy production.
- the energy production controller of the energy production link controls and dynamically adjusts the type and quantity of energy production according to the energy supply demand of the ubiquitous energy network.
- the energy-distribution strategy of energy-efficiency technology is different from the traditional supply-demand matching strategy.
- the biggest feature is that the energy production link and the energy application link are not directly connected, but through a middle layer connection called a universal energy gateway.
- the ubiquitous energy gateway is composed of an energy efficiency gain device and an energy efficiency matching station.
- the energy efficiency gain device is composed of a potential energy pump and a system energy efficiency controller.
- the ubiquitous energy gateway can absorb environmental potential energy and achieve energy efficiency gain on the basis of achieving energy quantity and grade matching. Both the energy production link and the ubiquitous gateway have the function of matching energy quantity and grade. Therefore, the four-link system is an energy system with a two-layer dynamic matching structure.
- the conversion matching strategy in the actual operation process is based on the general energy efficiency controller. Dynamic monitoring and regulation of the health monitoring of the network and the four-link device.
- the energy efficiency four-link system is an energy self-organizing system, which is both a system and the most basic unit of any energy self-organizing system. Through its own spatial and temporal structure design, it has the following functions and features as an energy self-organizing system:
- Open system The system can absorb enough negative negative entropy flow through the absorption of environmental potential energy and information intelligence, so that the system remains in the process of entropy reduction;
- Storage links 1. Secondary borrowing and energy conversion
- the external environment is used twice, and the internal mixed medium is optimized based on the phase change of the sequence variable.
- the energy efficiency four-link system is first and foremost an open system, an intelligent evolutionary system that can continuously exchange substances, energy and information with the external environment.
- the energy-efficient four-link system enables the system to produce energy gains by absorbing the environment's renewable and low-grade environmental potential energy, and by absorbing the negative entropy of the environment, the system is self-organized and ordered.
- the efficiency and intelligence of the system are constantly improving, and the system is self-upgrading and self-evolving.
- the core system energy efficiency controller of the energy-efficient four-link system connects the intelligent terminal of the four-link device through the information network, the ubiquitous energy network node and the ubiquitous energy gateway, according to the real-time monitoring of the energy flow, the flow and flow of the information flow and the material flow, and the four links.
- the system energy efficiency controller is not only the core hub for information and energy interaction, but also the physical carrier for system self-organization and ordering.
- the physical carrier of the energy-efficient four-link system absorbing environmental potential energy is a potential energy pump.
- the potential energy pump itself is powered by renewable fire (such as solar energy) in the environment, and can absorb low-grade environmental potential energy to achieve system energy efficiency gain.
- the energy efficiency matching station has the functions of energy flow adjustment and energy type conversion. According to the information flow input of the system energy efficiency controller, the type, flow and grade of the input and output energy flow are dynamically adjusted to realize the dynamic matching of energy types and grades, and realize energy supply and demand. The ordering of the flow direction.
- the ubiquitous energy network is an intelligent energy network that integrates information network, energy network and physical network.
- the ubiquitous energy network is the physical carrier of ubiquitous energy flow. The biggest difference between it and the traditional network is that it not only delivers information flow to the system energy efficiency controller.
- the topology of the network and the transmission mode of the ubiquitous energy flow can be adjusted at any time, and energy, information and substances are coupled together to achieve the highest energy efficiency and intelligent coordination.
- the energy efficiency four-link system can absorb enough negative entropy flow through the absorption of environmental potential energy and information intelligence, so that the system can always keep in the process of entropy reduction and continuously evolve into a more intelligent and orderly direction.
- the energy-efficient energy production link of the system refers to the production of mixed energy composed of multiple varieties of energy, such as various forms of cogeneration and gas-fired co-production.
- the energy production process is controlled by the energy-efficient controller of the production link.
- Supply demand dynamically adjusts the type and quantity of energy production.
- the strategy of energy production in system energy efficiency technology is different from the traditional supply and demand matching strategy.
- the biggest feature is that the energy production link and the energy application link are not directly related, but through a middle layer connection called a universal energy gateway.
- the ubiquitous energy gateway is composed of an energy efficiency gain device and an energy efficiency matching station. The ubiquitous energy gateway can absorb environmental potential energy and achieve energy efficiency gain on the basis of energy type and grade matching.
- the energy-efficient four-link system is an energy system with a two-layer dynamic matching structure.
- the conversion matching strategy in the actual operation process ⁇ the system energy efficiency controller according to the pan.
- FIG. 6 shows a schematic diagram of an energy efficient four-link system including an energy efficiency matching station.
- the energy-efficient four-link system includes four steps : an energy production device 101, an energy storage device 102, an energy application device 103, an energy regeneration device 104, a potential energy pump 601, and a cold heat and power supply device 602.
- the energy efficiency matching station includes a system energy efficiency controller 105, a potential energy pump 601, and a cold heat and power supply unit 602.
- the energy efficiency gain device includes a system energy efficiency controller 105 and a potential energy pump 601.
- the ubiquitous energy flow generated by the energy production device 101 is supplied to an energy efficiency matching station, and the system energy efficiency controller 105 distributes the ubiquitous energy flow to the cold heat and power supply device 602 or the potential energy pump 601 or the energy storage device 102 of the energy efficiency matching station.
- the energy efficiency controller 105 can also coordinate the energy storage device 102 to output the ubiquitous energy flow to the energy application device 103 by the energy efficiency matching station matching the boosted ubiquitous energy flow to the energy application device 103 output.
- the un-depleted energy of the energy application device 103 enters the energy regeneration device 104 or the potential energy pump 101.
- the energy regeneration device 104 and the potential energy pump 601 return the recovered or upgraded ubiquitous energy stream to the energy production device
- the system energy efficiency controller 105 comprehensively regulates the energy efficiency four links and the energy efficiency matching station according to the ubiquitous energy requirement of the energy application device 103.
- the system energy efficiency controller 105 does not activate the energy efficiency matching station.
- the system energy efficiency controller 105 preferentially activates the potential energy pump 601.
- the system energy efficiency controller 105 will activate the cold heat and power supply device 602 to meet the requirements of the energy application device 103.
- FIG. 7 shows a schematic diagram of an energy efficiency matching station.
- the energy efficiency matching station includes: a system energy efficiency controller 105, a potential energy pump 601, a cold heat and power supply unit 602.
- All devices of the energy efficiency matching station are coordinated by the system energy efficiency controller 105.
- the gas passes through the gas controller 721, it is quantitatively entered into the cogeneration unit 602, and the electric power generated by the cogeneration unit 602 is sent to the power supply controller 722, and the generated cold or heat is sent to the heating controller 724.
- the power from the wind-solar complementary light-heat integration device 701 is sent to the power controller 725.
- the power controller 725 distributes power to the potential energy pump 601 or the power storage device 707 or the power supply controller 722.
- Power controller 722 delivers power to the system's external energy application.
- Power controller 725 can also draw power from power storage device 707.
- the heat collected by the wind-solar complementary light-heat integration device 701 is sent to the heat storage device 702, and the heat is supplied to the energy harvesting controller 723 during use.
- the cold quantity collected by the cold heat pipe 704 and the radiant cooling device 705 is sent to the cold storage device 706, and the cold quantity is supplied to the energy harvesting controller 723 during use.
- the energy harvesting controller 723 distributes the heat or cooling amount to the potential energy pump 601, and after being lifted, sends it to the heating controller 724.
- the energy harvesting controller 723 can also directly distribute heat or cooling to the heating controller 724.
- the heating controller 724 delivers heat or cooling to the external energy application device of the system.
- the system energy efficiency controller 105 receives the internal and external information of the system.
- the potential energy pump 601 can independently meet the requirements of the energy application device, the cold heat and power supply unit 602 is not activated, and the gas controller 721 is turned off; when the unit is not satisfied, the above device is activated to assist the power supply.
- the wind and solar complementary light and heat integration device 701 sends out the power sent to the power controller 725, and preferentially supplies the power supply controller 722 to the energy application device; when the surplus is sent to the potential energy pump 601, if there is surplus, it is sent to the storage battery. Device 707.
- the power controller 725 takes power from the power storage device 707 to the power controller 725 when power is not needed. If not needed, the system energy efficiency controller 105 will initiate the cogeneration unit 602 to send power to the power controller 725.
- the sunlight heat collected by the wind-solar complementary light-heat integration device 701 is sent to the heat storage device 702.
- the heat of the heat storage device 702 is sent to the heat controller 723. If the heat temperature is greater than 50 ° C, The energy harvesting controller 723 will supply heat directly to the heating controller 724, which in turn outputs to the energy application link 103. If the heat temperature is less than 50 ° C, the energy harvesting controller 723 supplies the heat to the potential energy pump 601, is lifted by the potential energy pump 601, and then is output to the heating controller 724 and then to the energy application link 103. When insufficient, the system energy efficiency controller 105 activates the cold heat and power supply unit 602 to make up.
- the atmospheric cooling amount collected by the cold heat pipe 704 is sent to the cold storage device 706.
- the cold capacity of the cold storage device 706 is sent to the energy harvesting controller 723. If the heat temperature is less than 1 CTC, the energy harvesting controller The 723 will supply cooling directly to the heating controller 724, which in turn outputs to the energy application link 103. If the heat temperature is greater than 10 ° C, the energy harvesting controller 723 supplies the cooling capacity to the potential energy pump 601, which is lifted by the potential energy pump 601 and then output to the heating controller 724 and then to the energy application link 103. When insufficient, the system energy efficiency controller 105 activates the cogeneration unit 602 to make up.
- the radiant cooling unit 705 radiates heat to the atmosphere and stores the cooling capacity to the cold storage unit 706, which is supplied to the energy harvesting controller 723 during the day and operates according to the same strategy.
- Figures 8a and 8b respectively show schematic diagrams of system energy efficiency for managing power utilization using conventional power grids and ubiquitous energy networks, where curves cla and clb represent the amount of power (ie, supply) and power usage (ie, demand) in a conventional power grid, respectively.
- the amount of power is basically stable and does not change with time (such as curve cla And c2a).
- the change in power consumption over time leads to a mismatch between supply and demand, which makes the system of the traditional power grid energy-efficient.
- the ubiquitous energy network since the distributed power generation device and the electric energy storage device are introduced in the node, the function of "shaving the peak and filling the valley" can be played, so that the power consumption is always matched with the power supply amount (such as the curve clb and C2b), which improves system energy efficiency.
- the ubiquitous energy network of the present invention can uniformly dispatch distributed power generation devices and electrical energy storage devices within the entire network by interactive control of the energy efficiency controllers of the respective nodes, thereby maximizing the effect of "cutting peaks and filling valleys”. . This greatly exceeds the concept of network access management of distributed power generation devices proposed in smart power networks.
- the ubiquitous energy network of the present invention utilizes coupled energy flows, material flows, and information flows to achieve coupling utilization of multiple energies (multiple types of energy and/or energy from multiple geographic locations).
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- Power Engineering (AREA)
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Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US13/695,153 US9690275B2 (en) | 2010-04-30 | 2011-04-29 | System energy efficiency controller, energy efficiency gain device and smart energy service system used for energy utilization |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010173433.9 | 2010-04-30 | ||
| CN2010101734339A CN102236349A (zh) | 2010-04-30 | 2010-04-30 | 用于能源利用的系统能效控制器、能效增益装置及智能能源服务系统 |
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| WO2011134430A1 true WO2011134430A1 (zh) | 2011-11-03 |
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| PCT/CN2011/073553 Ceased WO2011134430A1 (zh) | 2010-04-30 | 2011-04-29 | 用于能源利用的系统能效控制器、能效增益装置及智能能源服务系统 |
Country Status (3)
| Country | Link |
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| US (1) | US9690275B2 (zh) |
| CN (1) | CN102236349A (zh) |
| WO (1) | WO2011134430A1 (zh) |
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| WO2014023792A3 (de) * | 2012-08-09 | 2014-06-12 | Evonik Industries Ag | Verfahren zur begrenzung der belastung von stromübertragungsnetzen |
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| CN106773792B (zh) * | 2017-01-17 | 2023-06-06 | 贵州大学 | 一种能源互联网实时仿真器 |
| CN116266243A (zh) * | 2022-09-27 | 2023-06-20 | 上海易碳数字科技有限公司 | 用于电动汽车动力电池生命周期碳足迹的核算方法及系统 |
| CN116266243B (zh) * | 2022-09-27 | 2023-10-10 | 上海易碳数字科技有限公司 | 用于电动汽车动力电池生命周期碳足迹的核算方法及系统 |
| CN115630268A (zh) * | 2022-11-01 | 2023-01-20 | 鞍钢股份有限公司 | 长流程钢铁企业碳排放评估模型、评估方法及评估系统 |
| CN115630268B (zh) * | 2022-11-01 | 2023-10-20 | 鞍钢股份有限公司 | 长流程钢铁企业碳排放评估模型的建立方法、评估方法及评估系统 |
| CN118554505A (zh) * | 2024-05-23 | 2024-08-27 | 华电蓝科科技股份有限公司 | 港口分散式高效能量回收系统 |
Also Published As
| Publication number | Publication date |
|---|---|
| US9690275B2 (en) | 2017-06-27 |
| US20130073098A1 (en) | 2013-03-21 |
| CN102236349A (zh) | 2011-11-09 |
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