EP3353872A1 - Système d'équilibrage d'un réseau électrique avec une grille - Google Patents
Système d'équilibrage d'un réseau électrique avec une grilleInfo
- Publication number
- EP3353872A1 EP3353872A1 EP16767041.3A EP16767041A EP3353872A1 EP 3353872 A1 EP3353872 A1 EP 3353872A1 EP 16767041 A EP16767041 A EP 16767041A EP 3353872 A1 EP3353872 A1 EP 3353872A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- grid
- phase shift
- load
- behavior model
- electricity
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- 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
- H02J3/12—Circuit arrangements for ac mains or ac distribution networks for adjusting voltage in ac networks by changing a characteristic of the network load
- H02J3/14—Circuit arrangements for ac mains or ac distribution networks for adjusting voltage in ac networks by changing a characteristic of the network load by switching loads on to, or off from, network, e.g. progressively balanced loading
-
- 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
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00006—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment
-
- 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
- H02J3/12—Circuit arrangements for ac mains or ac distribution networks for adjusting voltage in ac networks by changing a characteristic of the network load
- H02J3/14—Circuit arrangements for ac mains or ac distribution networks for adjusting voltage in ac networks by changing a characteristic of the network load by switching loads on to, or off from, network, e.g. progressively balanced loading
- H02J3/144—Demand-response operation of the power transmission or distribution network
-
- 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
- H02J2203/00—Indexing scheme relating to details of circuit arrangements for AC mains or AC distribution networks
- H02J2203/20—Simulating, e g planning, reliability check, modelling or computer assisted design [CAD]
-
- 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
- H02J2310/00—The network for supplying or distributing electric power characterised by its spatial reach or by the load
- H02J2310/50—The network for supplying or distributing electric power characterised by its spatial reach or by the load for selectively controlling the operation of the loads
- H02J2310/56—The network for supplying or distributing electric power characterised by its spatial reach or by the load for selectively controlling the operation of the loads characterised by the condition upon which the selective controlling is based
- H02J2310/58—The condition being electrical
-
- 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
- H02J2310/00—The network for supplying or distributing electric power characterised by its spatial reach or by the load
- H02J2310/50—The network for supplying or distributing electric power characterised by its spatial reach or by the load for selectively controlling the operation of the loads
- H02J2310/56—The network for supplying or distributing electric power characterised by its spatial reach or by the load for selectively controlling the operation of the loads characterised by the condition upon which the selective controlling is based
- H02J2310/58—The condition being electrical
- H02J2310/60—Limiting power consumption in the network or in one section of the network, e.g. load shedding or peak shaving
-
- 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
- H02J2310/00—The network for supplying or distributing electric power characterised by its spatial reach or by the load
- H02J2310/50—The network for supplying or distributing electric power characterised by its spatial reach or by the load for selectively controlling the operation of the loads
- H02J2310/56—The network for supplying or distributing electric power characterised by its spatial reach or by the load for selectively controlling the operation of the loads characterised by the condition upon which the selective controlling is based
- H02J2310/62—The condition being non-electrical, e.g. temperature
- H02J2310/64—The condition being economic, e.g. tariff based load management
-
- 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
- H02J3/003—Load forecast, e.g. methods or systems for forecasting future load demand
-
- 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
- H02J3/004—Generation forecast, e.g. methods or systems for forecasting future energy generation
-
- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
- Y02B70/3225—Demand response systems, e.g. load shedding, peak shaving
-
- 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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
- Y04S20/222—Demand response systems, e.g. load shedding, peak shaving
-
- 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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S50/00—Market activities related to the operation of systems integrating technologies related to power network operation or related to communication or information technologies
- Y04S50/10—Energy trading, including energy flowing from end-user application to grid
Definitions
- the present invention relates to a system for balancing an electricity network with a grid.
- An electrical grid in itself cannot store energy. At any moment, the amount of electricity generated and put into the grid has to be equal to the amount of electricity drawn by energy consumers. If there is a shortage (the whole grid needs more electricity than what is generated) this can lead to a dropping of voltage in the grid, also called a brown- out. Brown-outs can damage equipment connected to the grid. Also, the whole grid or parts thereof can experience black-outs: when this occurs the energy transport comes to a full stop and the grid has to be started up completely. If there is a surplus of electricity (i.e. more electricity is generated than what is consumed) this can lead to over voltage, which can also damage equipment connected to or part of the grid. Also these over voltages can result in tripping of safeguards, creating a black out.
- TSO Transmission System Operator
- the invention thereto proposes a system for balancing an electricity network with a grid, at least one power source and multiple loads, the system comprising at least one load control unit, for determining a regular energy consumption of one of the power loads, determining a current state of said load, storing and/or communicating the determined values, switching the load on and off the network based on the determined state and a switching signal, at least one grid behavior model unit, for modelling grid behavior based on grid parameters and/or pricing parameters, storing a grid behavior model in a database, at least one central controller, having access to the database, for calculating a switching strategy for matching the power requested by the loads and the power available from the power source, based on the grid behavior model from the database, the current state of the at least one load and for sending a switching signal to the load.
- at least one load control unit for determining a regular energy consumption of one of the power loads, determining a current state of said load, storing and/or communicating the determined values, switching the load on and off the network based on the determined
- a switching strategy is to be understood here as a set of conditions and measures to be taken based on the conditions. In particular it determines which loads are to be switched on or off under what circumstances.
- a switching strategy may be optimized based on current pricing, expected future pricing and the current state of all assets in the network. Optimization may in this case refer to a best match of supply and demand and/or a lowest price for a consumer.
- the load control units are connected to an electricity consuming asset in such a way that the unit can switch the asset on or off, but also check the current state of the asset and whether it is safe to switch. Besides that the unit can also measure the energy consumption of the asset at regular intervals in order to measure the effect of switching. This whole set of information and feedback of regulating actions is passed on back to the central control unit.
- the load control unit may further determine a regular energy consumption of one of the power loads and a current state of said load at regular intervals in order to measure or predict the effect of switching.
- the grid behavior model unit is coupled to at least one data gathering unit, for gathering current grid parameters such as frequency and phase shift, but also current pricing data, public usage data and environmental parameters such as weather data.
- current grid parameters such as frequency and phase shift, but also current pricing data, public usage data and environmental parameters such as weather data.
- This is combined in models with behavioral models of electricity consumption in the grid (such as time of year, day of week and time of day leading to certain usage patterns) to reach a prediction of energy consumption and resulting energy prices.
- This data will be forwarded to the central orchestration unit such that these predictions can be taken into account when determining the optimal switching strategy.
- the phase shift measurement module in the system according to the invention is to improve on the predictions and speed compared to similar solutions known as the state of the art. Frequency measurement is being used, but this is a reaction on things that have happened already, so it does not provide any predictionary value.
- the phase shift measurement module measures the phase shift of the 50Hz signal in the grid. Extremely small changes in this signal can provide an indication of changes in the grid equilibrium and can be detected faster than the published prices provided by the TSOs, so can provide a significant advantage in a system that tries to capitalize on these imbalance markets.
- This invention also covers an embodiment of this grid behavior model that is implemented through neural networks that combine the input data to a prediction. Also covered is an embodiment in which the neural network is improved by reinforcement learning where the realized prices are fed back into the system and compared to the prediction, which is then used to optimize the neural network model to improve future predictions.
- Figure 1 shows a variation where the load control units are integrated within the existing control systems of the electricity consuming assets or software-only;
- Figure 2 shows an embodiment wherein a meter has to measure the electrical installation;
- Figure 3 shows an embodiment wherein a power using plant is coupled to two balance responsible parties
- Figure 4 shows a graph of the phase shift over a period of a year
- Figure 5 shows an embodiment of the system where a control system (3) is used to control several assets
- Figure 6 shows an embodiment of the method where information about one or more assets is communicated to a control system
- Figure 7 shows an embodiment of the system where a control and/or metering device is coupled to the control system and a trading system or grid balancing system;
- Figure 8 shows an embodiment of a device that measures and determines the phase shift and actions from the measurements.
- FIG. 1 shows a variation where the load control units are integrated within the existing control systems of the electricity consuming assets or software-only.
- the system comprises a processing unit (3), connected to a controller (10) that controls an electric installation (5).
- the processing unit is also connected to other systems, such as energy trading systems (1) and/or grid balancing systems (2).
- the processing unit is connected to a database (31) of properties and/or states of the electrical installations and controllers. Also it is connected to a set of optimization rules, a database of (historic) behavior of the energy trading systems and/or grid balancing systems (33).
- the processing unit is connected to a grid behavior model (34), which contains relations between measured parameters (such as phase shift of the grid) and future behavior of the grid.
- a particular implementation of this invention is for distributed computing. Cloud computing prices fluctuate but are very much coupled to demand and cost of computing. An owner of distributed computing hardware can choose to lower its prices when electricity prices go down. Therefore offering services at a lower price and cost than others. For this the platform can send price information to other servers that make decisions for their own price structure.
- a single electrical installation can be used for various markets. This requires the electrical installation to be split up into several virtual installations to be controlled as separate installations.
- Figure 2 shows an embodiment wherein a meter 10 has to measure the electrical installation 5. This meter data is transmitted to the platform 3. The platform or the meter splits the measurements into several virtual installations that can be controlled separately.
- the virtual installations are communicated as single installations to servers of different markets 21, 22, 23. Control signals from the markets for the virtual installations are aggregated by the platform and sent to the electrical installation.
- the electrical installations are connected through a connection to a platform.
- one or more electrical installations are connected to a sub- optimizer, that optimizes the installation(s) and present them to the platform as an aggregated controllable system.
- the platform checks the availability of the electrical installation, but also the quality of the connection to the electrical installation.
- the electrical installation receives pre-programmed control actions or strategies. This increases reliability of the system. If the connection to the platform fails, the electrical installation can resume functionality on its own. For example the day-ahead prices of electricity can be used to control the electrical installation in the case that the connection fails. Also weather data can be used to predict price fluctuations.
- a sensor that measures the phase and/or the frequency of the mains can be used to control the device, when the connection is not present. That sensor can give its measurements to the platform. The platform can then use multiple measurements to create a more accurate model of the state of the grid. Particularly when the grid interconnections are separated and the grid breaks into several stand-alone sub grids.
- the electrical installation buffers measurements and control actions to send to the platform when the connection resumes.
- the trading strategies can be determined and optimized by back testing of strategies on historic data.
- the trading can be performed by a trained system, using historic data. For example a neural network, fuzzy logic or subspace identification.
- the frequency or the phase shift of the mains is used as a prediction of the imbalance market.
- the system can measure electricity use of one or more of the electrical installations.
- FIG 3 shows an example wherein a site (48) has an electrical connection and gets electricity from the grid (44) receiving electricity from BRPl (41).
- BRP2 (42) wants to control an electrical installation (46) on the site.
- the location/site of the electrical installation will usually have a grid connection. That grid connection may be in the portfolio of a certain Balance Responsible Party (BRP).
- BRP Balance responsible Party
- These parties are responsible for the balance between the electricity production and electricity use.
- the electrical installation is in the portfolio of another BRP. This means that the BRP may not be able to get the full potential out of controlling the electrical installation. Also this could result in a suboptimal balancing of the grid on a country level.
- the platform can use the measurement data to make a payment happen from one BRP to another. This way the BRP of a site does not have to be the same BRP of the electrical installation on the site.
- This figure shows an example wherein a site has an electrical connection and a meter (44) and gets electricity from BRPl.
- BRP2 wants to control an electrical installation on the site. That is fine, however every steering action of the electrical installation is credited to BRPl.
- the proposed system corrects this fault by adding an additional meter (45) to the electrical installation on the site. This way the steering actions can be measured and a financial correction can be made between BRPl and BRP2 by the control system (10).
- the horizontal axis shows the time over a year and the vertical axis shows the amount of seconds deviation. This shows that over a year's period, the phase shift is steered towards a phase close to 0. But the deviation can be as big as 100 seconds.
- a structural deviation of the phase shift indicates a structural power shortage or surplus. Therefore a change in the phase shift reflects a shortage or a surplus and therefore predicts if grid stabilizing parties (e.g. TSO/DSO) or energy trading parties will start to contract electricity assets.
- grid stabilizing parties e.g. TSO/DSO
- phase shift is behind (meaning the average frequency has been low in the past) and there is another phase shift that puts the grid even more behind, then the grid has a shortage. The result will be that it is likely that grid balancing systems and energy trading systems will contract, deploy or buy more energy generation (or decrease use).
- phase shift is behind (meaning the average frequency has been low in the past) and there is another phase shift that puts the grid less behind, then the grid is restoring. The result will be that it is likely that grid balancing systems and energy trading systems will do nothing (or less than in the previous situation).
- phase shift is preceding (meaning the average frequency has been high in the past) and there is another phase shift that puts the grid even more in the lead, then the grid has a surplus. The result will be that it is likely that grid balancing systems and energy trading systems will contract, deploy or buy more energy use (or decrease generation).
- FIG. 5 shows an embodiment of the system where a control system 3 is used to control several ADR assets 5 through several regional or local service APIs/control systems 4. Control system 3 aggregates the assets to one or more services to grid balancing 2 systems and/or energy trading systems 1. The individual assets 5 may not be distinguishable by the grid balancing or trading systems 2, 1.
- Figure 6 shows an embodiment of the method where information, such as state of the asset, about one or more assets 5 is communicated 8 to a control system, the availability (amount of power, duration of availability) of the group of assets is received by the control system 3.
- Control system 3 combines assets into groups that have most value for a certain trading systems 1 or grid balancing systems 2. The groups and their aggregated states are then communicated 6 with the trading systems 1 or grid balancing systems 2. Then the trading systems 1 or grid balancing systems 2 respond 7 what amount of power they want to deploy.
- the control system 3 determines which assets need to change their power consumption of generation and communicates 9 that to the individual assets (or though sub controllers, not depicted).
- Figure 7 shows an embodiment of the system where a control and/or metering device 10 is coupled to the control system 3 and a trading system 1 or grid balancing system 2.
- the metering device is used to prove control actions.
- the metering data can be sent directly 11 to one or more trading systems 1 or grid balancing systems 2 or through the control system 6.
- the data can be aggregated and sorted to improve processability for the trading system 1 or grid balancing system 2.
- Figure 8 shows an embodiment of a device that measures and determines the phase shift and actions from the measurements.
- the system is connected to one or more grids 86 through a grid connection 85.
- the coupling may be electric and/or magnetic or any type it can determine the grid frequency.
- One or more counters 84 count the cycles per second.
- the system requires at least one particularly accurate clock 83.
- This at least one clock can, for example, be a tuned quartz clock, an atomic clock, a GPS receiver, a DCF77 receiver, an internet time server or alike. If the clock does not receive absolute time (such as GPS or DCF77) but needs to be set on time, this may be done in operation. A way to do this is to use the grid frequency as a guide.
- the grid frequency is increased by lOmHz in the phase shift is more than 20s behind and decreased if the phase shift is more than 20s leading. So a structural change in the grid frequency can be used to determine how much the grid is lagging. For example: A grid frequency of 50.01 Hz changes to 50Hz. This means that the grid is lagging by 20s.
- a processing unit 82) and at least one grid behavior model.
- the model and/or processing unit may contain historic data about the phase shift.
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Supply And Distribution Of Alternating Current (AREA)
- Management, Administration, Business Operations System, And Electronic Commerce (AREA)
Abstract
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL2015490A NL2015490B1 (en) | 2015-09-22 | 2015-09-22 | System for balancing an electricity network with a grid. |
PCT/NL2016/050605 WO2017052362A1 (fr) | 2015-09-22 | 2016-08-30 | Système d'équilibrage d'un réseau électrique avec une grille |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3353872A1 true EP3353872A1 (fr) | 2018-08-01 |
Family
ID=54844030
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP16767041.3A Withdrawn EP3353872A1 (fr) | 2015-09-22 | 2016-08-30 | Système d'équilibrage d'un réseau électrique avec une grille |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP3353872A1 (fr) |
NL (1) | NL2015490B1 (fr) |
WO (1) | WO2017052362A1 (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112256775A (zh) * | 2020-09-27 | 2021-01-22 | 建信金融科技有限责任公司 | 一种Oracle数据库的数据定时加载的方法及装置 |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109193950A (zh) * | 2018-10-26 | 2019-01-11 | 广东电网有限责任公司 | 基于源网荷储协调的电力系统优化调度及策略方法 |
CN110991718B (zh) * | 2019-11-25 | 2023-10-17 | 国网河北省电力有限公司高邑县供电分公司 | 一种配电网网格化规划方法 |
CN111369108A (zh) * | 2020-02-20 | 2020-07-03 | 华中科技大学鄂州工业技术研究院 | 一种电网实时定价方法和装置 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20140015323A1 (en) * | 2012-07-10 | 2014-01-16 | Arista Power, Inc. | Power Management System |
WO2014067142A1 (fr) * | 2012-11-02 | 2014-05-08 | Accenture Global Services Limited | Gestion de données en temps réel pour un réseau électrique |
EP2806521A1 (fr) * | 2013-05-22 | 2014-11-26 | Vito NV | Système de réseaux d'alimentation électrique pour ajuster ou faire correspondre la demande électrique |
US9870569B2 (en) * | 2013-12-13 | 2018-01-16 | Sap Se | Flexible energy use offers |
-
2015
- 2015-09-22 NL NL2015490A patent/NL2015490B1/en not_active IP Right Cessation
-
2016
- 2016-08-30 WO PCT/NL2016/050605 patent/WO2017052362A1/fr active Application Filing
- 2016-08-30 EP EP16767041.3A patent/EP3353872A1/fr not_active Withdrawn
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112256775A (zh) * | 2020-09-27 | 2021-01-22 | 建信金融科技有限责任公司 | 一种Oracle数据库的数据定时加载的方法及装置 |
Also Published As
Publication number | Publication date |
---|---|
WO2017052362A1 (fr) | 2017-03-30 |
NL2015490B1 (en) | 2017-04-20 |
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