WO2009056662A1 - System for monitoring photovoltaic solar facilities - Google Patents

System for monitoring photovoltaic solar facilities Download PDF

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Publication number
WO2009056662A1
WO2009056662A1 PCT/ES2008/000674 ES2008000674W WO2009056662A1 WO 2009056662 A1 WO2009056662 A1 WO 2009056662A1 ES 2008000674 W ES2008000674 W ES 2008000674W WO 2009056662 A1 WO2009056662 A1 WO 2009056662A1
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WO
WIPO (PCT)
Prior art keywords
solar
cells
card
monitoring
inverters
Prior art date
Application number
PCT/ES2008/000674
Other languages
Spanish (es)
French (fr)
Inventor
Benito PEÑIN DEL CANTO
Original Assignee
Huerto Fotovoltáico Montesol, S.L.
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 Huerto Fotovoltáico Montesol, S.L. filed Critical Huerto Fotovoltáico Montesol, S.L.
Publication of WO2009056662A1 publication Critical patent/WO2009056662A1/en

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/01—Protocols
    • H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
    • H04L67/125—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks involving control of end-device applications over a 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
    • 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
    • H02J13/0075—
    • 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
    • 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
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • 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
    • Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
    • Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
    • Y04S40/126—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wireless data transmission
    • 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
    • Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
    • Y04S40/18—Network protocols supporting networked applications, e.g. including control of end-device applications over a network

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Computing Systems (AREA)
  • General Health & Medical Sciences (AREA)
  • Medical Informatics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Photovoltaic Devices (AREA)
  • Remote Monitoring And Control Of Power-Distribution Networks (AREA)

Abstract

The invention relates to a system for monitoring photovoltaic solar facilities. Each facility includes: photovoltaic panels connected to inverters (7) which inject energy into a power grid, and meteorological cells or sensors (4) which capture different environmental parameters. Each facility to be monitored is provided internally with a repeater (5) connected between the inverters (7) and a serial communication card (3) which is also connected to the meteorological cells (4). The card (3) is connected to a CPU (2) which is provided with a power source (1) and joined to a server (8) via a modem (6).

Description

SISTEMA PARA LA MONITORIZACIÓN DE INSTALACIONES SOLARES SYSTEM FOR MONITORING SOLAR FACILITIES
FOTOVOLTAICAS OBJETO DE LA INVENCIÓNPHOTOVOLTAIC OBJECT OF THE INVENTION
La presente invención, tal y como se expresa en el enunciado de esta memoria descriptiva, se refiere a un sistema para la monitorización de instalaciones solares fotovoltaicas cuya finalidad esencial consiste en proporcionar un sistema para monitorizar los datos de una o más centrales de generación de energía fotovoltaica, de manera que se pueda disponer con gran facilidad de todos los datos actualizados de todas las centrales solares conectadas al sistema, pudiendo realizarse de manera sencilla cambios y requerimientos en la visualización y monitorización de los datos correspondientes. ANTECEDENTES DE LA INVENCIÓNThe present invention, as expressed in the statement of this specification, refers to a system for monitoring photovoltaic solar installations whose essential purpose is to provide a system for monitoring the data of one or more power generation plants Photovoltaic, so that all the updated data of all the solar power plants connected to the system can be readily available, and changes and requirements in the visualization and monitoring of the corresponding data can be made easily. BACKGROUND OF THE INVENTION
Son conocidas las instalaciones solares fotovoltaicas donde cada instalación solar cuenta con una pluralidad de paneles fotovoltaicos conectados a unos inversores que inyectan la energía generada fotovoltaicamente en una red eléctrica; presentando además cada instalación una pluralidad de sensores ambientales o células meteorológicas que captan parámetros tales como humedad, viento, radiación solar, temperatura u otros. Dichas instalaciones solares fotovoltaicas suelen encontrarse alejadas de centros urbanos, y presentan inconvenientes relativos a que los sistemas de control y monitorización de datos carecen de facilidad de acceso a los usuarios.Photovoltaic solar installations are known where each solar installation has a plurality of photovoltaic panels connected to inverters that inject photovoltaically generated energy into an electrical network; each installation also presenting a plurality of environmental sensors or meteorological cells that capture parameters such as humidity, wind, solar radiation, temperature or others. Said photovoltaic solar installations are usually far from urban centers, and they have problems related to the fact that data control and monitoring systems lack easy access to users.
No conocemos en el estado actual de la técnica ningún sistema para la monitorización de instalaciones solares fotovoltaicas que facilite la integración de todos los datos en un servidor para un fácil acceso de los usuarios, según lo hace el sistema de la presente invención.We do not know in the current state of the art any system for monitoring photovoltaic solar installations that facilitates the integration of all data in a server for easy access of users, as does the system of the present invention.
DESCRIPCIÓN DE LA INVENCIÓN Para lograr los objetivos y evitar los inconvenientes indicados en anteriores apartados, la invención consiste en un sistema para la monitorización de instalaciones solares fotovoltaicas donde cada instalación solar cuenta con una pluralidad de paneles fotovoltaicos conectados a unos inversores que inyectan la energía generada fotovoltaicamente en una red eléctrica; presentando además cada instalación una pluralidad de sensores ambientales o células meteorológicas que captan parámetros tales como humedad, viento, radiación solar, temperatura u otros.DESCRIPTION OF THE INVENTION To achieve the objectives and avoid the inconveniences indicated in previous sections, the invention consists in a system for monitoring photovoltaic solar installations where each solar installation has a plurality of photovoltaic panels connected to inverters that inject photovoltaically generated energy into an electrical network; each installation also presenting a plurality of environmental sensors or meteorological cells that capture parameters such as humidity, wind, solar radiation, temperature or others.
Novedosamente, según la invención, en cada instalación solar a monitorizar se dispone de un repetidor de señal cuya entrada conecta con los inversores, llevándose su salida a una tarjeta de comunicaciones serie que también recibe señal de los referidos sensores o células meteorológicas; estando conectada esa tarjeta a una CPU dotada de fuente de alimentación y unida a un servidor a través de un modem; de manera que el servidor dispone en todo momento de los datos de interés actualizados, así como de registros históricos, de todas las instalaciones solares del sistema, pudiendo ofrecer esos datos y registros a los usuarios del sistema mediante programas adecuados.Novelly, according to the invention, in each solar installation to be monitored there is a signal repeater whose input connects with the inverters, its output being taken to a serial communications card that also receives signal from said meteorological sensors or cells; that card being connected to a CPU equipped with a power supply and connected to a server through a modem; so that the server has at all times the updated data of interest, as well as historical records, of all the solar installations of the system, being able to offer that data and records to the users of the system through appropriate programs.
Según distintas realizaciones de la invención, los referidos fuente, células, repetidor y modem pueden presentar medios de alimentación mediante red eléctrica convencional o bien una alimentación proporcionada a partir de la energía fotovoltaica que genera la instalación solar en la que se encuentran.According to different embodiments of the invention, the aforementioned source, cells, repeater and modem can present means of feeding by means of conventional electrical network or a supply provided from the photovoltaic energy generated by the solar installation in which they are.
Según una realización preferente de la invención, las comunicaciones del repetidor con la tarjeta, del repetidor con los inversores, y de la tarjeta con las células meteorológicas son comunicaciones RS485 de dos hilos.According to a preferred embodiment of the invention, the communications of the repeater with the card, of the repeater with the inverters, and of the card with the meteorological cells are two-wire RS485 communications.
Además, en esa realización preferente de la invención, el modem que conecta a la CPU con el servidor es un modem GPRS.In addition, in that preferred embodiment of the invention, the modem that connects the CPU to the server is a GPRS modem.
En la realización preferente de la invención, la tarjeta de comunicaciones efectúa peticiones de datos a los inversores y a las células meteorológicas o sensores cada diez minutos, pero obviamente, en otras realizaciones este intervalo de tiempo podría ser distinto.In the preferred embodiment of the invention, the communications card makes data requests to the inverters and meteorological cells or sensors every ten minutes, but obviously, in other embodiments this time interval could be different.
Con la estructura que se ha descrito, el sistema de la invención presenta las ventajas de que permite tener integrados y centralizados los datos actuales, así como registros históricos de diversas instalaciones solares fotovoltaicas, siendo de fácil acceso a los usuarios, y siendo muy sencillo el cambio de programas para visualización de esos datos.With the structure that has been described, the system of the invention has the advantages of allowing the current data to be integrated and centralized, as well as historical records of various photovoltaic solar installations, being easily accessible to users, and being very simple. Change of programs to visualize this data.
A continuación, para facilitar una mejor comprensión de esta memoria descriptiva y formando parte integrante de la misma, se acompaña una figura única en la que con carácter ilustrativo y no limitativo se ha representado el objeto de la invención.Next, in order to facilitate a better understanding of this descriptive report and forming an integral part thereof, a unique figure is attached in which the object of the invention has been represented by way of illustration and not limitation.
BREVE DESCRIPCIÓN DE LA FIGURABRIEF DESCRIPTION OF THE FIGURE
Figura 1,- Representa un diagrama de bloques funcionales de un sistema para la monitorizacíón de instalaciones solares fotovoltaicas realizado según la presente invención.Figure 1, - Represents a functional block diagram of a system for monitoring photovoltaic solar installations carried out according to the present invention.
DESCRIPCIÓN DE UN EJEMPLO DE REALIZACIÓN DE LA INVENCIÓNDESCRIPTION OF AN EXAMPLE OF EMBODIMENT OF THE INVENTION
Seguidamente se realiza una descripción de un ejemplo de la invención haciendo referencia a la numeración adoptada en la figura. Así, el sistema para la monitorización de instalaciones solares fotovoltaicas del presente ejemplo de la invención cuenta con un equipo de dispositivos aplicados a cada una de las instalaciones solares fotovoltaicas que se integren en el sistema y cuya representación aparece en la figura 1.Next, a description of an example of the invention is made with reference to the numbering adopted in the figure. Thus, the system for monitoring photovoltaic solar installations of the present example of the invention has a team of devices applied to each of the photovoltaic solar installations that are integrated into the system and whose representation appears in Figure 1.
Este equipo se constituye mediante un repetidor de señal 5 conectado a los inversores 7 que en la central o instalación solar llevan la energía de los correspondientes paneles solares hacia la red eléctrica; conectándose la salida de este repetidor de señal 5 a una tarjeta de - A - comunicaciones serie 3.This equipment is constituted by means of a signal repeater 5 connected to the inverters 7 that in the solar power plant or installation carry the energy of the corresponding solar panels towards the power grid; connecting the output of this signal repeater 5 to a card - A - serial communications 3.
Las centrales o instalaciones solares fotovoltaicas también disponen de unos sensores o células meteorológicasSolar photovoltaic plants or facilities also have sensors or meteorological cells
4 que captan distintos parámetros ambientales y de las que también toma señal la tarjeta de comunicaciones serie 3, según se ilustra en la figura 1.4 that capture different environmental parameters and from which the serial communication card 3 also takes signal, as illustrated in Figure 1.
Esta tarjeta 3 conecta con una CPU 2 dotada de una fuente de alimentación 1 y unida a un servidor 8 a través de un modem 6, según puede apreciarse también en la figura 1.This card 3 connects to a CPU 2 provided with a power supply 1 and connected to a server 8 through a modem 6, as can also be seen in Figure 1.
Con esta configuración, el servidor 8 dispone en todo momento de los datos de interés actualizados, así como de registros históricos, de todas las instalaciones solares del sistema, pudiendo ofrecer esos datos y registros a los usuarios mediante programas adecuados.With this configuration, the server 8 has at all times the updated data of interest, as well as historical records, of all the solar installations of the system, being able to offer those data and records to the users through appropriate programs.
En el presente ejemplo la fuente 1, las células 4, el repetidor 5 y el modem 6 se encuentran alimentados a partir de la energía fotovoltaica que genera la instalación solar en la que se encuentran, de manera que el equipo mostrado en la figura 1 es totalmente autónomo, aunque en otras realizaciones la referida alimentación se puede efectuar a través de la red eléctrica convencional .In the present example, source 1, cells 4, repeater 5 and modem 6 are powered from the photovoltaic energy generated by the solar installation in which they are located, so that the equipment shown in Figure 1 is totally autonomous, although in other embodiments the referred power supply can be carried out through the conventional electricity grid.
También en el presente ejemplo, las comunicaciones del repetidor 5 con la tarjeta 3, del repetidor 5 con los inversores 7, y de la tarjeta 3 con las células meteorológicas 4 son comunicaciones RS485 de dos hilos, si bien, igual que se mencionó anteriormente, en otros ejemplos podrían realizarse de otra manera.Also in the present example, the communications of the repeater 5 with the card 3, the repeater 5 with the inverters 7, and the card 3 with the meteorological cells 4 are two-wire RS485 communications, although, as mentioned above, in other examples they could be done differently.
En el presente ejemplo, el modem 6 que conecta a la CPU 2 con el servidor 8 es un modem GPRS.In the present example, modem 6 that connects CPU 2 with server 8 is a GPRS modem.
Otra característica del presente ejemplo consiste en que la tarjeta de comunicaciones 3 efectúa peticiones de datos a los inversores 7 y a las células meteorológicas 4 cada 10 minutos, aunque ese tiempo podrá variarse para otras realizaciones. Así, a partir de los datos recibidos de los inversores 7 y de los sensores 4, se transmiten esos datos a la correspondiente base de datos del servidor 8.Another feature of the present example is that the communications card 3 makes requests for data to the inverters 7 and to the meteorological cells 4 every 10 minutes, although that time may be varied for other embodiments. Thus, from the data received from the inverters 7 and the sensors 4, that data is transmitted to the corresponding database of the server 8.
Hay que indicar que con las comunicaciones RS485 de dos hilos que se han indicado el sistema se limita en cada central solar a un máximo de treinta y dos inversores 7 , pero si hubiera un mayor requerimiento a esa cifra se podría emplear otro tipo de comunicación.It should be noted that with the RS485 two-wire communications that have been indicated, the system is limited to a maximum of thirty-two inverters in each solar plant 7, but if there is a greater requirement for that number, another type of communication could be used.
En el proceso de funcionamiento del sistema, cada dos minutos se realizan peticiones de datos a los inversores 7 y sensores 4, de modo que se vayan actualizando las memorias correspondientes. Dichos datos se solicitan a través de la tarjeta de comunicaciones serie 3 enviando las tramas de comunicaciones en el correspondiente protocolo y según el dispositivo con el que se quiere comunicar. La ventaja de emplear la tarjeta de comunicaciones serie 3 consiste en que a la hora de ampliar el abanico de inversores 7 ó de añadir nuevos dispositivos al sistema tales como pudieran ser un analizador de frecuencia un contador u otros, es mucho más fácil crear los cambios en el correspondiente software, de manera que la ampliación se puede efectuar de manera rápida y ágil . La CPU 2 avisa a través del modem 6 al servidor 8 de que ha obtenido nuevos datos en los dispositivos de la instalación solar, y el servidor 8 solicita esos datos. Si por cualquier problema se perdiera conexión entre el modem y el servidor 8 , el programa correspondiente se encargaría de recoger los datos anteriores a la toma actual . In the process of operating the system, data requests are made every two minutes to inverters 7 and sensors 4, so that the corresponding memories are updated. These data are requested through the serial 3 communications card by sending the communication frames in the corresponding protocol and according to the device with which you want to communicate. The advantage of using the serial 3 communications card is that when expanding the range of inverters 7 or adding new devices to the system such as a frequency analyzer, a meter or others, it is much easier to create the changes in the corresponding software, so that the extension can be done quickly and quickly. The CPU 2 warns through modem 6 to server 8 that it has obtained new data in the solar installation devices, and server 8 requests that data. If, due to any problem, the connection between the modem and the server 8 is lost, the corresponding program would be responsible for collecting the data prior to the current socket.

Claims

REIVINDICACIONES
1.- SISTEMA PARA LA MONITORIZACIÓN DE INSTALACIONES SOLARES FOTOVOLTAICAS, donde cada instalación solar cuenta con una pluralidad de paneles fotovoltaicos conectados a unos inversores (7) que inyectan la energía generada fotovoltaicamente en una red eléctrica; presentando además cada instalación una pluralidad de sensores ambientales o células meteorológicas (4) que captan parámetros tales como humedad, viento, radiación solar, temperatura u otros; caracterizado porque en cada instalación solar a monitorizar se dispone de un repetidor de señales (5) cuya entrada conecta con los inversores (7) , llevándose su salida a una tarjeta de comunicaciones serie (3) que también recibe señal de los referidos sensores o células meteorológicas (4) ; estando conectada esa tarjeta (3) a una CPU (2) dotada de fuente de alimentación (1) y unida a un servidor (8) a través de un modem (6) ; de manera que el servidor (8) dispone en todo momento de los datos de interés actualizados, así como de registros históricos, de todas las instalaciones solares del sistema, pudiendo ofrecer esos datos y registros a los usuarios del sistema mediante programas adecuados .1.- SYSTEM FOR MONITORING OF PHOTOVOLTAIC SOLAR FACILITIES, where each solar installation has a plurality of photovoltaic panels connected to inverters (7) that inject the energy generated photovoltaically into an electrical network; each installation also presenting a plurality of environmental sensors or meteorological cells (4) that capture parameters such as humidity, wind, solar radiation, temperature or others; characterized in that in each solar installation to be monitored there is a signal repeater (5) whose input connects to the inverters (7), taking its output to a serial communications card (3) that also receives signal from the referred sensors or cells meteorological (4); that card (3) being connected to a CPU (2) equipped with a power supply (1) and connected to a server (8) through a modem (6); so that the server (8) has at all times the updated data of interest, as well as historical records, of all the solar installations of the system, being able to offer that data and records to the users of the system through appropriate programs.
2. - SISTEMA PARA LA MONITORIZACIÓN DE INSTALACIONES SOLARES FOTOVOLTAICAS, según la reivindicación 1, caracterizado porque dichas fuente (1) , células (4) , repetidor (5) y modem (6) presentan medios de alimentación mediante red eléctrica convencional o bien una alimentación proporcionada a partir de la energía fotovoltaica que genera la instalación solar en la que se encuentra. 2. - SYSTEM FOR MONITORING OF SOLAR PHOTOVOLTAIC FACILITIES, according to claim 1, characterized in that said source (1), cells (4), repeater (5) and modem (6) have feeding means by conventional power grid or a power provided from the photovoltaic energy generated by the solar installation in which it is located.
3.- SISTEMA PARA LA MONITORIZACIÓN DE INSTALACIONES SOLARES FOTOVOLTAICAS, según la reivindicación 1, caracterizado porque las comunicaciones del repetidor (5) con la tarjeta (3) , del repetidor (5) con los inversores (7) , y de la tarjeta (3) con las células meteorológicas (4) son comunicaciones RS485 de dos hilos. 3. SYSTEM FOR MONITORING OF SOLAR PHOTOVOLTAIC FACILITIES, according to claim 1, characterized in that the communications of the repeater (5) with the card (3), of the repeater (5) with the inverters (7), and of the card ( 3) with the meteorological cells (4) are RS485 two-wire communications.
4.- SISTEMA PARA LA MONITORIZACIÓN DE INSTALACIONES SOLARES FOTOVOLTAICAS, según la reivindicación 1, caracterizado porque el modem (6) que conecta a la CPU (2) con el servidor (8) es un modem GPRS. 4. SYSTEM FOR MONITORING OF SOLAR PHOTOVOLTAIC FACILITIES, according to claim 1, characterized in that the modem (6) that connects the CPU (2) to the server (8) is a GPRS modem.
5.- SISTEMA PARA LA MONITORIZACIÓN DE INSTALACIONES SOLARES FOTOVOLTAICAS, según la reivindicación 1, caracterizado porque mediante la tarjeta- de comunicaciones (3) se efectúan peticiones de datos a los inversores (7) y a las células meteorológicas o sensores (4) cada diez minutos. 5. SYSTEM FOR MONITORING OF SOLAR PHOTOVOLTAIC FACILITIES, according to claim 1, characterized in that by means of the communications card (3) data requests are made to the inverters (7) and to the meteorological cells or sensors (4) every ten minutes
PCT/ES2008/000674 2007-11-02 2008-10-30 System for monitoring photovoltaic solar facilities WO2009056662A1 (en)

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ES200702890A ES2319155B1 (en) 2007-11-02 2007-11-02 SYSTEM FOR MONITORING OF SOLAR PHOTOVOLTAIC FACILITIES.
ESP200702890 2007-11-02

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