[go: up one dir, main page]

WO2010109031A1 - Dispositif de gestion intégrale de microproduction d'énergie électrique - Google Patents

Dispositif de gestion intégrale de microproduction d'énergie électrique Download PDF

Info

Publication number
WO2010109031A1
WO2010109031A1 PCT/ES2009/070594 ES2009070594W WO2010109031A1 WO 2010109031 A1 WO2010109031 A1 WO 2010109031A1 ES 2009070594 W ES2009070594 W ES 2009070594W WO 2010109031 A1 WO2010109031 A1 WO 2010109031A1
Authority
WO
WIPO (PCT)
Prior art keywords
network
management device
control
energy
microproduction
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.)
Ceased
Application number
PCT/ES2009/070594
Other languages
English (en)
Spanish (es)
Inventor
Alfredo QUIJANO LÓPEZ
Francisco Ruz Vila
Ana María NIETO MOROTE
Marta GARCÍA PELLICER
Vicente Fuster Roig
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Instituto De Tecnologia Electrica Ite
Original Assignee
Instituto De Tecnologia Electrica Ite
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Instituto De Tecnologia Electrica Ite filed Critical Instituto De Tecnologia Electrica Ite
Publication of WO2010109031A1 publication Critical patent/WO2010109031A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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
    • H02J3/04—Circuit arrangements for AC mains or AC distribution networks for connecting networks of the same frequency but supplied from different sources
    • 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
    • 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
    • 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
    • H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
    • H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
    • H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
    • 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
    • H02J2300/00—Systems for supplying or distributing electric power characterised by decentralized, dispersed, or local generation
    • H02J2300/20—The dispersed energy generation being of renewable origin
    • H02J2300/22—The renewable source being solar energy
    • H02J2300/24—The renewable source being solar energy of photovoltaic origin
    • 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
    • H02J2300/00—Systems for supplying or distributing electric power characterised by decentralized, dispersed, or local generation
    • H02J2300/20—The dispersed energy generation being of renewable origin
    • H02J2300/28—The renewable source being wind energy
    • 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
    • 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
    • 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
    • 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
    • Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
    • Y02E40/70—Smart grids as climate change mitigation technology in the energy generation sector

Definitions

  • the present invention refers to a device for the integral management of microproduction of electric energy whose purpose is to facilitate in a single device an integral manager of microproduction of electric energy of small facilities, allowing to control in a coordinated way all the internal elements that make up the installation, the connection elements to the main power grid, as well as the part of that installation downstream of the microgenerator, in order to work in coordination with other external elements of generation and consumption
  • the invention is especially applicable in installations of microproduction of electrical energy components of an electric micro grid with a multitude of small generators which for a good operation must establish a coordination between the different agents involved in the distribution system, such as production, consumption, protection and storage
  • the application was carried out in two fields: the transport of electrical energy and the control of a particle accelerator.
  • the objective was to provide a decision tool that would support the network control and management engineers in the presence of disturbances.
  • the idea was to create a software environment that would interact with pre-existing systems using common data distribution platforms, in order to "reason" with information containing different levels of detail and use different ways of obtaining the solutions, as well as to be able to make them more flexible. for different types of networks.
  • the invention consists of a device for the integral management of microproduction of electrical energy, applicable to an installation of microgeneration of electrical energy that basically has a microgenerator such as solar panels, windmills or another connected to a DC / DC converter that in turn connects to a DC / AC inverter; so that through an interconnection device the inverter connects to a main power grid; it can also connect with said interconnection device a micro-network formed by a plurality of energy microgeneration installations similar to that described.
  • the management device thereof is a hardware platform with certain programming where control of all the elements of the energy microgeneration installation and control over operations of the interconnection device is integrated into a single device, which is commanded by a global network manager; so that The energy generation instructions can be established from two different and coordinated decision systems: an internal one based on the interests of the owner of the energy microgeneration facility and an external one based on the needs of the rest of the network.
  • control over operations of the interconnection device by means of the management device has means for blocking orders from the global network manager, depending on parameters of the microgeneration installation such as generation capacity, level of consumption downstream of the microgenerator, stored energy, quality of supply and electrical safety.
  • the coordinated action of its two decision systems may not be limited to a connection / disconnection signal of the microgeneration system of the network, said action additionally including a regulation of parameters such as power of output, power factor correction, supply quality and operation on the island based on the generation and consumption estimate.
  • said management device has a functional block structure consisting of an analog sensor measurement module linked to a first DSP digital signal processor module and an alarm module that also connects to a second module.
  • DSP digital signal processor connected to a digital input and output module and signals for power electronics that also connects to the alarm module; connecting this second processor module with an interface module with hierarchical network management structure;
  • the two DSP processor modules are interconnected by means of a communication module.
  • the aforementioned modules are they can structure in a block corresponding to the first DSP processor module, a block corresponding to the second DSP processor module, a block corresponding to said interface module that connects with a coordinated network manager external to the management device, a control circuit block, generation and storage of energy that connects by means of control and command signals with the installation of microgeneration of energy, and a block of control circuitry of the inverter and connections to network and microrred that by means of control and command signals connect in addition to with the said installation with the interconnection device.
  • said inteface module includes an integral network state analyzer that, in addition to controlling wave quality parameters, is also responsible for estimating both local production and downstream demand of microproduction and energy storage capacity of the installation; facilitating an autonomous choice of the mode of operation that allows instantaneously reconfiguring the installation topology to change its functionality; using a decision algorithm based on fuzzy logic to prioritize the modes of operation; so that said algorithm allows to establish a ranking based on which the mode of operation and the transitions between them are established based on internal information and the rest of the network, according to the parameters provided by said integral network status analyzer , according to the internal alarm system of the microproduction and according to external instructions.
  • said inverter control circuit block and grid and microrred network connections have vector control algorithms of the inverter, DC / AC; so that with network connection a vector control is exercised using three control loops and without network connection a vector control using four control loops.
  • the management device thereof receives two types of data corresponding to:
  • At least one of the following seven types of data is automatically established and based on these two types of data: a) generator exporting to the network all the power generated with downstream loads disconnected; b) generator working in parallel with the main network feeding parallel to downstream consumption; c) generator feeding on the island the consumption of downstream waters; d) generator loading storage systems; e) storage by exporting the accumulated energy to the network; f) storage feeding downstream consumption on the island, and g) generator disconnected.
  • the generating device thereof emits three types of data corresponding to: PWM signal for power electronics; command signals to configure both the internal structure of the installation and the connection to the network and to the consumables that can be fed on the island; and internal status signals for the network manager.
  • the said management device carries out in that preferred embodiment of the invention and based on the data received operations of: estimation of the short-term energy production capacity; short-term consumption estimate; estimation of the charge status of the accumulators; estimation of the state of the external network; alarm status analysis; decision on the type of optimal operation among the seven described above; DC / DC converter or regulator control, depending on the mode of operation; and control of the DC / AC inverter, depending on the mode of operation.
  • the device of the invention has the fundamental advantage that it allows an integral control of the corresponding installation of microproduction of electric energy with respect to its own operation and with respect to its integration with other similar installations and with a main network , allowing to establish a coordination between different agents involved in the distribution system, such as production, consumption, protection and storage.
  • the device of the invention has the advantage of facilitating improvements in the performance of the energy microproduction installation and reduction in the time required to change its operating modes.
  • Another advantage of the device of the invention consists in in that it allows a relationship between the installation of microgeneration of electrical energy and the rest of the network that is not reduced to a simple connection-disconnection of the installation, but makes it possible to make decisions locally conditioned by external information, without being subject to the same and allowing varying various parameters in energy transfers.
  • control strategies in network connection and in an isolated system flexibility is facilitated that does not require significant changes in the device, based on changes in the sensed signals.
  • Figure 1. Represents a functional block diagram of the application environment of a device for integral generation of microproduction of electric energy made according to the present invention.
  • Figure 2. Represents a functional block diagram of the management device itself referred to in the previous figure 1.
  • Figure 3 Schematically represents the device and corresponding application environment of the previous figures, in greater detail regarding its physical, circuitry and connection elements.
  • the management device 1 of the present example is applied to an energy microgeneration installation electric 2 that basically has a microgenerator 6 a DC / DC converter 7 and a DC / AC inverter 8, as can be seen in Figure 1.
  • Installation 2 connects to an interconnection device 3 based on contactors, switches or a combination of both.
  • This interconnection device 3 connects with a main electrical network 5 and with a micro network 4 formed by a plurality of energy microgeneration installations similar to that described, as can also be seen in the aforementioned figure 1.
  • Microgenerator 6 will normally consist of solar panels, windmills or any other element of microgeneration of electrical energy.
  • the management device 1 of the present example shows connectivity with all the elements of the installation 2, as well as with the network 5, the micro network 4 and the interconnection device 3.
  • This allows integration into a single device the control of all the elements of the installation 2 and a control on operations of the interconnection device 3 that is commanded by means of a global network manager.
  • the energy generation instructions are established internally and externally in a coordinated manner, depending on the interests of the owner of the installation 2 and the needs of the network 5, and so that the action on the interconnection device 3 does not It is limited to the connection / disconnection of installation 2, but includes the regulation of parameters such as output power, power factor correction, supply quality and others.
  • FIG. 2 shows the functional block structure of the management device 1 of the present example, which is carried out by means of an analog sensor measurement module 9 that connects with a first DSP digital signal processor module 10 and with a module of alarms 13.
  • This alarm module 13 connects in turn with a second DSP 12 digital signal processor module that is connected to a digital signal input and output module for power electronics 11, this module 11 being also connected to the alarm module 13.
  • the second processor module 12 it connects with an interface module 14 with hierarchical network management structure, while the two DSP processor modules 10 and 12 are interconnected through a communication module 15.
  • the aforementioned modules 9 to 15 of the management device 1 can be structured at the circuit level in a block corresponding to the first DSP processor module 10, a block corresponding to the second DSP processor module 12, a block corresponding to the aforementioned interface module 14 that is connected with a coordinated network manager 18 external to the management device 1, an energy control, generation and storage block 17 that connects via control and command signals to the microgeneration installation of energy 2, and a control circuit block of the inverter and network and micro-network connections 16 which, in addition to the said installation 2, connects with the said installation 2 with the interconnection device 3.
  • this figure 3 shows a greater detail of the physical elements that make up the installation 2, as well as their connectivity with the management device 1.
  • the interface module 14 includes an integral network state analyzer that controls wave quality parameters and is responsible for estimating local production and downstream demand of microproduction, as well as energy storage capacity .
  • control circuit block of the inverter and network connections and The micro-network 16 of Figure 3 has vector control algorithms of the inverter 8, so that with network connection a vector control is exercised using three control loops and without network connection a vector control is exercised using four control loops.
  • the management device 1 of the present example allows the following types of operation:
  • Generator exporting to the network all the power generated with downstream loads disconnected. Generator working in parallel with the main network feeding parallel to downstream consumption.
  • the programming implemented in the management device 1 performs the following operations:
  • Estimate of short-term energy production capacity Estimate of short-term consumption.
  • Estimation of the charge status of the accumulators Estimation of the state of the external network. Analysis of the alarm status.
  • the management device 1 of the present example issues three types of data:
  • Command signals to configure both the internal structure of the installation and the connection to the network and to the consumables that can be fed on the island.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Supply And Distribution Of Alternating Current (AREA)
  • Remote Monitoring And Control Of Power-Distribution Networks (AREA)

Abstract

Le dispositif (1) de l'invention est une plateforme matérielle à programmation déterminée dans laquelle est intégrée en un dispositif unique la commande de tous les éléments d'une installation de microgénération d'énergie électrique (2) et une commande sur des opérations d'un dispositif d'interconnexion (3) avec un réseau électrique principal (5) et commandé par un gestionnaire global de réseau; de sorte que les consignes de génération d'énergie peuvent être établies à partir de deux systèmes de décision distincts et coordonnés: un interne en fonction des intérêts du propriétaire de ladite installation (2) et un autre externe en fonction des besoins du reste du réseau.
PCT/ES2009/070594 2009-03-26 2009-12-17 Dispositif de gestion intégrale de microproduction d'énergie électrique Ceased WO2010109031A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ES200900823A ES2356760B1 (es) 2009-03-26 2009-03-26 Dispositivo de gestión integral de microproducción de energ�?a eléctrica.
ESP200900823 2009-03-26

Publications (1)

Publication Number Publication Date
WO2010109031A1 true WO2010109031A1 (fr) 2010-09-30

Family

ID=42780179

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/ES2009/070594 Ceased WO2010109031A1 (fr) 2009-03-26 2009-12-17 Dispositif de gestion intégrale de microproduction d'énergie électrique

Country Status (2)

Country Link
ES (1) ES2356760B1 (fr)
WO (1) WO2010109031A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0495590A2 (fr) * 1991-01-17 1992-07-22 Hitachi, Ltd. Méthode de commande de tension ou puissance réactive et son dispositif de commande
WO1997018385A2 (fr) * 1995-11-14 1997-05-22 Siemens Aktiengesellschaft Procede et dispositif pour la regulation rapide de la production d'une centrale electrique
US20070246943A1 (en) * 2006-04-25 2007-10-25 The University Of New Brunswick Stand-alone wind turbine system, apparatus, and method suitable for operating the same
WO2008138016A1 (fr) * 2007-05-08 2008-11-13 American Power Conversion Corporation Gestion de l'énergie d'une source alternative
EP2040371A1 (fr) * 2006-07-06 2009-03-25 Mitsubishi Electric Corporation Appareil de commande vectorielle, procédé de commande vectorielle et appareil de commande d'entraînement pour moteur à induction

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0495590A2 (fr) * 1991-01-17 1992-07-22 Hitachi, Ltd. Méthode de commande de tension ou puissance réactive et son dispositif de commande
WO1997018385A2 (fr) * 1995-11-14 1997-05-22 Siemens Aktiengesellschaft Procede et dispositif pour la regulation rapide de la production d'une centrale electrique
US20070246943A1 (en) * 2006-04-25 2007-10-25 The University Of New Brunswick Stand-alone wind turbine system, apparatus, and method suitable for operating the same
EP2040371A1 (fr) * 2006-07-06 2009-03-25 Mitsubishi Electric Corporation Appareil de commande vectorielle, procédé de commande vectorielle et appareil de commande d'entraînement pour moteur à induction
WO2008138016A1 (fr) * 2007-05-08 2008-11-13 American Power Conversion Corporation Gestion de l'énergie d'une source alternative

Also Published As

Publication number Publication date
ES2356760B1 (es) 2012-03-01
ES2356760A1 (es) 2011-04-13

Similar Documents

Publication Publication Date Title
Shahidehpour et al. Smart cities for a sustainable urbanization: Illuminating the need for establishing smart urban infrastructures
ES2897488T3 (es) Sistema de gestión de recursos energéticos distribuidos
Cheng et al. To centralize or to distribute: That is the question: A comparison of advanced microgrid management systems
ES2824841T3 (es) Procedimiento para hacer funcionar una red de suministro de energía eléctrica y un equipo de control para controlar equipos de una red de distribución eléctrica
Nordman et al. Think globally, distribute power locally: The promise of nanogrids
KR20090125288A (ko) 교류 네트워크 내부로 전력을 공급하기 위한 인버터
US20130046415A1 (en) Programmable power management controller
ES2608723T3 (es) Método y dispositivo para el control espaciotemporal del consumo de energía eléctrica de una red de telecomunicaciones en función del estado del sistema de suministro eléctrico
Brzoza-Woch et al. Embedded systems in the application of fog computing—Levee monitoring use case
CN204886422U (zh) 一种应用于微电网能量管理的Agent通用模块及系统
ES2697128T3 (es) Sistema de módulos inteligentes distribuidos que usa comunicación por línea eléctrica para automatización de aparatos eléctricos
Haque et al. Role and applications of power electronics, renewable energy and IoT in smart cities
Currie et al. Smarter ways to provide grid connections for renewable generators
US20190288516A1 (en) System and method for operating a mains power grid
WO2010109031A1 (fr) Dispositif de gestion intégrale de microproduction d'énergie électrique
Khushalani et al. Restoration optimization with distributed generation considering islanding
Thanos et al. System of systems modeling and simulation for microgrids using DDDAMS
Huang et al. Intelligent agents applied to reconfiguration of mesh structured power systems
Hussain et al. Simulation studies of resilient communication network architecture for monitoring and control wind power farms
US12451723B2 (en) Power distribution control
Priyadarshana et al. Developing multi-agent based micro-grid management system in jade
Shibu et al. Improving rural electrification through interconnected solar micro grids
Smida et al. Modeling and verification of a reliable multi-agent solution promoting the autonomy and self-sufficiency of microgrids in an isolated location
Sarma et al. A Distributed Framework for Agent-based Optimal Energy Management of Distribution Systems
CN209170030U (zh) 发电储能系统及发电系统

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 09842120

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 09842120

Country of ref document: EP

Kind code of ref document: A1