ES2356760B1 - INTEGRAL MANAGEMENT DEVICE FOR ELECTRICAL POWER MICROPRODUCTION. - Google Patents

Abstract

Integral management device for electric power microproduction. # Said device (1) is a hardware platform with a specific programming where the control of all the elements of an electric power microgeneration installation (2) and a single device is integrated into a single device. control over operations of an interconnection device (3) with main power network (5) and commanded by a global network manager; so that the power generation instructions can be established from two different and coordinated decision systems: an internal one based on the interests of the owner of the aforementioned installation (2) and an external one based on the needs of the rest of the network.

Description

Integral management device for microproduction of electric energy.

Object of the invention

The present invention, as expressed in the statement of this specification, 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 the microproduction of electric energy of small installations, allowing to control in a coordinated way all the internal elements that make up the installation, the elements of connection to the main electrical network, 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 electric power components of an electric micro-network 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

Background of the invention

In many industrial applications, many resources have been invested in developing software solutions designed to act in isolation, solving specific management or control problems of a productive process. The observation of the behavior of these subsystems from the point of view of the overall operation of the process generally leads to the conclusion that many agents would make better decisions if they did not function as islands, if they interacted with the others sharing information and estimates or calculations made.

The extension of this idea to the control and / or management of complex processes leads us to work with distributed artificial intelligence (DAI) systems. An antecedent in projects that develops this concept is found in the ARCHON project (Jennings et al., 1996) in which a general structure, a software environment and a methodology applicable to different types of processes would be defined. 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 interacts with pre-existing systems using common data distribution platforms, in order to “reason” with information that contains different levels of detail and use different ways of obtaining the solutions, as well as to be able to make them flexible. for different types of networks.

The problem is even more complex today. Today, the map of electricity generation is constantly changing due mainly to the use of renewable energy sources (solar and wind, mainly) that involves the introduction of many micro-producers in the network that interact with it , complicating its monitoring and control. In order to exploit the tremendous opportunities for energy diversity and environmental management offered by distributed generation, it is necessary to overcome some technological problems that are slowing its expansion, among which are the following:

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Modification of the voltage profile of the power grid. The voltage supplied by the electricity companies must respect certain quality standards. The insertion of GD / DA systems means that the energy can flow both ways and therefore the voltage drops are different from those initially planned. To keep the voltage variations limited, it is necessary to introduce new control methods that take into account the bi-directional nature of the energy and optimally design the location of the GD / DA units.

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Danger of malfunction of protections. When a mains failure occurs, it is necessary to isolate the area where it has occurred by opening the minimum number of circuit breakers. The insertion of GD / DA systems makes it necessary to review the protection systems to ensure the viability and continuity of the electricity supply.

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Loss of wave quality. The autonomous connection and disconnection of the GD / DA units causes significant variations in the wave quality in the equipment of your environment, such as harmonic injection, creation of voltage fluctuations and fl icker, gaps and voltage cuts , etc. It is necessary to introduce intelligent measurement systems, which take into account the character and bidirectional of the energy, as well as power electronics systems that can mitigate these disturbances and therefore improve the quality of the electricity supply.

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Continuous network reconfiguration. As a result of a disturbance there will be disconnections with respect to the general network that should be reincorporated to it as soon as possible through an optimal configuration of the network that will take into account both the security and quality of the supply and the optimization in the use of the network and the contracting conditions of the users.

In addition, when it comes to networks with high microgeneration penetration, it is assumed that there is no single owner of the generation elements, so decisions about who exports energy to which part of the network at any time, must be taken in a way coordinated and agreed based on multiple parameters, and it is at this point that the present invention allows interaction between designed elements that following the same philosophy allow simplifying the maneuverability of this type of systems, since by integrating all the control in the same device , the communication with the outside is facilitated and the internal management is optimized according to what in each moment of time it agrees.

Description of the invention

To achieve the objectives and avoid the inconveniences indicated in previous sections, the invention consists of a device for the integral management of microproduction of electric energy, applicable to an installation of microgeneration of electric 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 to said interconnection device a micro-network formed by a plurality of energy microgeneration installations similar to that described.

Novelly, according to the invention, 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 power generation instructions can be established from two different and coordinated decision systems: one internal based on the interests of the owner of the energy microgeneration facility and another external depending on the needs of the rest of the network.

According to the preferred embodiment of the invention, that 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, supply quality and electrical safety.

Furthermore, according to the preferred embodiment of the invention, 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.

In the preferred embodiment of the invention, 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, at the circuit level, can be structured in a block corresponding to the first DSP processor module, a block corresponding to the second DSP processor module, a block corresponding to the said interface module that connects with a coordinated external network manager to the device. management, a block of control circuitry, 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 circuitry of control of the inverter and connections to network and to microrred that by means of signals of control and command connect in addition to the aforementioned installation with the interconnection device.

In the preferred embodiment of the invention, 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 facility; 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.

In the preferred embodiment of the invention, said inverter control circuitry and network and microrred connections block has vector inverter control algorithms, DC / AC; so that with a network connection a vector control is exercised using three control loops and without a network connection a vector control is exercised using four control loops.

According to the preferred embodiment of the invention, the management device thereof receives two types of data corresponding to:

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Voltage and intensity measurements at various internal points of the generation facility and the network connection point, based on which the internal control strategy is determined; Y

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Status data of the main, micro-network and meteorological network of the area, which allow either to modify the instructions of the aforementioned control strategy or to make it subject to a proposal from outside.

With this, 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 the downstream consumption on the island; d) generator loading storage systems; e) storage by exporting accumulated energy to the network; f) storage feeding downstream consumption on the island, and g) generator disconnected.

According to the preferred embodiment of the invention, 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.

In addition, 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; -estimulation of short-term consumption; -estimation of the state of charge of the accumulators; -estimation of the state of the external network; -Analysis of alarm status; - decision making on the type of optimal operation among the seven described above; -control of the DC / DC converter or regulator, depending on the mode of operation; and -control of the DC / AC inverter, depending on the mode of operation.

With the structure that has been described, 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.

In addition, 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 is 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 rather makes it possible to make locally conditioned decisions for external information, without being subject to it and allowing varying parameters in energy transfers. In addition, through the 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.

Next, in order to facilitate a better understanding of this specification and as an integral part thereof, some figures are attached in which the object of the invention has been shown as an illustrative and non-limiting nature.

Brief description of the fi gures

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.

Description of an embodiment of the invention

Next, a description of an example of the invention is made with reference to the numbering adopted in the figures.

Thus, the management device 1 of the present example is applied to an electric power microgeneration installation 2 which basically has a microgenerator 6, a DC / DC converter 7 and a DC / AC inverter 8, as can be seen in the figure. one.

Installation 2 connects to an interconnection device 3 based on contactors, switches or a combination of both. This interconnection device 3 connects to a main power network 5 and to 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.

As can be seen in Figure 1, 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 the control to be integrated into a single device of all the elements of the installation 2 and a control over operations of the interconnection device 3 that is commanded by means of a global network manager. Thus, the power generation setpoints 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.

In Figure 2, the functional block structure of the management device 1 of the present example can be seen, which is carried out by means of an analog sensor measurement module 9 that connects to a first DSP digital signal processor module 10 and to a data module. alarms 13. This alarm module 13 in turn connects to a second DSP digital signal processor module 12 which 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. On the other hand, the second processor module 12 connects to 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.

As can be seen in Figure 3, 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, a block of energy control, generation and storage circuitry 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, connect with the said installation 2 with the interconnection device 3.

In addition, 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.

In the present example, 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 .

On the other hand, in the present example the control circuitry block of the inverter and network and micro-network connections 16 of Figure 3 has vector control algorithms of the inverter 8, so that a vector control is exercised with network connection 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. -Generator feeding on the island the consumption of downstream. -Generator loading storage systems. -Storage by exporting accumulated energy to the network. -Storage feeding on the island to downstream consumption. -Generator disconnected.

To do this, it receives two types of data:

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Voltage and intensity measurements at various internal points of the generation facility and the network connection point, based on which the internal control strategy is determined.

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Status data of the coordinated network and meteorological networks of the area, which allow either to modify the instructions of the previous control strategy or to make it subject to the proposal from the outside.

Depending on the data received, the programming implemented in the management device 1 performs the following operations: -Estimation of short-term energy production capacity. - Estimate of short-term consumption. -Estimation of the state of charge of the accumulators. -Estimation of the state of the external network. -Analysis of alarm status. -Make decisions on the type of optimal operation among the seven described above. -Control of the DC / DC converter or regulator, depending on the mode of operation. -Control of the DC / AC inverter, depending on the mode of operation.

On the other hand, the management device 1 of the present example issues three types of data: - PWM signals for power electronics. -Control signals to configure both the internal structure of the installation and the connection to the network and

to the consumables susceptible of being fed in island. -Internal status signals for the network manager.

Claims (10)

1. Device of integral management of microproduction of electrical energy, applicable to a microgeneration installation of electrical energy (2) that basically has a microgenerator (10) such as solar panels, windmills or other connected to a DC / DC converter ( 7) which in turn connects to a DC / AC inverter (8); so that through an interconnection device (3) the inverter (8) connects to a main electrical network (5); it can also connect to said interconnection device (3) a micro network (4) formed by a plurality of energy microgeneration installations similar to that described; characterized in that the management device (1) is a hardware platform with certain programming where control of all the elements of the energy microgeneration installation (2) and a control over operations of the interconnection device (3), which is commanded, is integrated into a single device. by a global network manager; so that the power generation instructions can be established from two different and coordinated decision systems: one internal based on the interests of the owner of the energy microgeneration installation (2) and another external depending on the needs of the rest of the the net.

2.

Integral management device for microproduction of electric energy, according to claim 1, characterized in that said control over operations of the interconnection device (3) by means of the management device (1) has means for blocking orders from the global network manager, in function of parameters of the microgeneration installation (2) such as generation capacity, consumption level downstream of the microgenerator (6), stored energy, supply quality and electrical safety.

3.

Device for the integral management of microproduction of electric energy, according to claim 1, characterized in that the coordinated action of these two decision systems comprises a signal for connecting / disconnecting the microgeneration installation (2) of the network (5), including additionally said action is a regulation of parameters such as output power, power factor correction, supply quality, and island operation based on the generation and consumption estimate.

Four.

Integral management device for electric power microproduction according to claim 1, characterized in that said management device (1) has a functional block structure consisting of an analog sensor measurement module (9) connected to a first signal processor module digital DSP (10) and an alarm module (13) that also connects to a second DSP digital signal processor module (12) connected to a digital input and output module and signals for power electronics (11) that also connects with the alarm module (13); connecting this second processor module (12) with an interface module (14) with hierarchical network management structure; the two DSP processor modules (10, 12) being interconnected by means of a communication module (15).

5.

Integral management device for microproduction of electric energy, according to claim 4, characterized in that said modules (9 to 15) of the management device (1) at the circuit level have an architecture consisting of 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 connects with a coordinated network manager (18) external to the management device (1), a control circuitry block , generation and storage of energy (17) that connects by means of control and command signals with the installation of microgeneration of energy (2), and a block of control circuitry of the inverter and connections to network and to microrred (16) that by means of signals of control and command connects in addition to the aforementioned installation (2) with the interconnection device (3).

6.

Device for the integral management of microproduction of electric energy, according to claim 4 or 5, characterized in that said interface module (14) includes an integral network state analyzer that, in addition to controlling wave quality parameters, is also responsible for estimating both local production and demand downstream of microproduction and the energy storage capacity of the installation (2); 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 is established in the transitions between the modes of operation, based on internal information and the rest of the network, according to the parameters provided by said integral state analyzer of the network, according to the internal alarm system of the microproduction and according to external instructions.

7.

Device for the integral management of microproduction of electric energy, according to claim 5, characterized in that said inverter control circuitry and grid and microrred connections block (16) have DC / AC inverter vector control algorithms (8), so that with a network connection a vector control is exercised using three control loops and without a network connection a vector control is exercised using four control loops.

8.

Integral management device for microproduction of electric energy, according to any one of the preceding claims, characterized in that the management device (1) receives two corresponding types of data

to:

-

voltage and intensity measurements at various internal points of the generation installation (2) and the network connection point, based on which the internal control strategy is determined; Y

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status data of the main network (5), microrred (4) and meteorological zones of the area, which allow either to modify instructions of the referred control strategy or to subject it to a proposal from the outside;

automatically establishing one of the following seven types of operation based on this 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 the downstream consumption on the island; d) generator loading storage systems; e) storage by exporting accumulated energy to the network; f) storage feeding downstream consumption on the island, and g) generator disconnected. 9. Integral management device for electric power microproduction, according to claim 8, characterized in that the management device (1) emits three types of data corresponding to: -PWM signals for power electronics, -control signals to configure both the internal structure of the installation and the connection to the network and the consumables that can be fed on the island, and internal status signals for the network manager; also carrying out the aforementioned management device (1), depending on the data received, operations of: -estimulation of short-term energy production capacity, -stimulation of short-term consumption, -estimulation of the state of charge of accumulators , - estimation of the state of the external network, - analysis of the state of the alarms, - decision making on the type of optimal operation among the seven (ag) described, -control of the DC / DC converter (7) or of the regulator, depending on the operating mode, - DC / AC inverter control (8), depending on the mode of operation. SPANISH OFFICE OF THE PATENTS AND BRAND Application no .: 200900823 SPAIN Date of submission of the application: 03.23.2009 Priority Date: REPORT ON THE STATE OF THE TECHNIQUE 51 Int. Cl.: See Additional Sheet RELEVANT DOCUMENTS

Category

Documents cited Claims Affected

X

WO 2008138016 A1 (AMERICAN POWER CONV CORP et al.) 13.11.2008, 1-9

paragraphs [0035-0037], [0050-0062]; Figures 1-9B.

TO

US 2007246943 A1 (CHANG LIUCHEN et al.) 25.10.2007, paragraphs [0060-0065]; figures. 1-5.8-9

TO

EP 0495590 A2 (HITACHI LTD) 22.07.1992, summary; figures. 6

TO

WO 9718385 A2 (SIEMENS AG et al.) 22.05.1997, summary; figures. 6

TO

EP 2040371 A1 (MITSUBISHI ELECTRIC CORP) 25.03.2009, the whole document. 7

Category of the documents cited X: of particular relevance Y: of particular relevance combined with other / s of the same category A: reflects the state of the art O: refers to unwritten disclosure P: published between the priority date and the date of priority submission of the application E: previous document, but published after the date of submission of the application

This report has been prepared • for all claims • for claims no:

Date of realization of the report 30.03.2011

Examiner J. Calvo Herrando Page 1/5

REPORT OF THE STATE OF THE TECHNIQUE Application number: 200900823 CLASSIFICATION OBJECT OF THE APPLICATION H02J3 / 04 (2006.01) H02J3 / 38 (2006.01) H02J9 / 06 (2006.01) Minimum documentation sought (classification system followed by classification symbols) H02J Electronic databases consulted during the search (name of the database and, if possible, terms of search used) INVENTIONS, EPODOC, WPI State of the Art Report Page 2/5  WRITTEN OPINION Application number: 200900823 Date of Written Opinion: 30.03.2011 Statement

Novelty (Art. 6.1 LP 11/1986)

Claims Claims 1-9 IF NOT

Inventive activity (Art. 8.1 LP11 / 1986)

Claims Claims 1-9 IF NOT

The application is considered to comply with the industrial application requirement. This requirement was evaluated during the formal and technical examination phase of the application (Article 31.2 Law 11/1986).  Opinion Base.- This opinion has been made on the basis of the patent application as published. State of the Art Report Page 3/5  WRITTEN OPINION Application number: 200900823 1. Documents considered.- The documents belonging to the state of the art taken into consideration for the realization of this opinion are listed below.

Document

Publication or Identification Number publication date

D01

WO 2008138016 A1 (AMERICAN POWER CONV CORP et al.) 13.11.2008

D02

US 2007246943 A1 (CHANG LIUCHEN et al.) 10.25.2007

D03

EP 0495590 A2 (HITACHI LTD) 22.07.1992

D04

WO 9718385 A2 (SIEMENS AG et al.) 05/22/1997

D05

EP 2040371 A1 (MITSUBISHI ELECTRIC CORP) 03.25.2009

The main object of the invention is a comprehensive electrical energy management device for a microgeneration installation (solar panels, windmills, etc.) that has a DC / DC converter and a DC / AC inverter that can be connected to the power grid. main and other micro-generation stations through an interconnection device. The integral electrical energy management device is a hardware platform with its corresponding programming that controls the interconnection device and the elements of the micro-generation installation. In addition, the integral electrical energy management device accepts generation instructions from the micro-generation facility (local) or externally according to the needs of the network (remote). Document D01, which affects the inventive activity of all claims, is explained as the state of the art document closest to the object claimed, as explained below: 2. Statement motivated according to articles 29.6 and 29.7 of the Regulations for the execution of Law 11/1986, of March 20, on Patents on novelty and inventive activity; quotes and explanations in support of this statement  R1 independent claim Document D01 (paragraphs [0035-0037, 0050-0060]; Figures 1-3, 5, 6, 8, 9A and 9B) describes a management system for an alternative source of electrical energy (solar panels) comprising a converter DC / DC, a DC / AC inverter and several outputs to connect to both the main power grid and several loads. The programmable system described by document D01 also consists of a hardware platform that accepts generation instructions both locally and remotely. The difference between document D01 and the object of claim R1 of the application is the possibility of connecting said system to a micro-network formed by a plurality of micro-generation installations. The technical effect of this difference is to coordinate the management of electrical energy with another micro-network of micro-generation facilities. Therefore, the technical problem underlying this difference would be to connect the electric power management system described by document D01 to a micro-generation micro-network to manage the power produced in a coordinated manner. However, this problem and its corresponding solution is considered obvious to one skilled in the art since the micro-network of micro-generation facilities could be connected to the management system as if it were an alternative AC source, such as as shown in document D01 (paragraph [0060], figures 9A and 9B), controlling said interconnection according to the needs of the network. In view of the foregoing, the invention defined in claim R1 does not differ from the known technique described in document D01 in any essential way. Therefore, the invention according to claim R1 is considered obvious to a person skilled in the art and is not considered to involve inventive activity (Art. 8.1 LP).  R2-R9 dependent claim According to claim R2, the control over the operations of the interconnection device has means for blocking orders depending on the parameters of the micro-generation installation. However, these characteristics have been previously disclosed by document D01 (paragraphs [0053-0058]) for the same purpose, since the controller allows assigning permits and priorities in the loads programmatically obtaining the same result. Consequently, the object of claim R2 lacks inventive activity. On the other hand, claim R3 describes the action and / or regulation on several variables of the system according to the estimation of generation and consumption of the system. Document D01 (paragraphs [0054, 0055, 0057]) distributes the energy based on the amount of energy available and the amount of energy consumed, taking into account parameters such as time of day, power availability, peak hours , retardable and non-retardable loads. Therefore, it is considered within the scope of the usual practice followed by the person skilled in the art to carry out the distribution of electrical energy according to the power generated / consumed considering other system variables that may affect the needs of the network. State of the Art Report Page 4/5  WRITTEN OPINION Application number: 200900823 The structure of the management device described by claim R4 indicates nothing that is not common knowledge in the field of control devices. As disclosed in document D02 (paragraphs [0060-0065]), DSP-based electrical energy management systems are known in the prior art. On the other hand, analog sensors; an I / O module; an alarm module; an interface module and a communication module included in the structure of the device assume only one embodiment that does not differ in any essential way from the structure of the management system disclosed by document D01 (paragraphs [0035-0037, 0050-0060 ]; Figures 1-3, 5, 6, 8, 9A and 9B). Therefore, the invention as claimed in claim R4 is not considered to involve inventive activity. Similarly, claim R5 discloses an embodiment of the management device that does not differ in any essential way from the prior art. Document D02 (paragraphs [0060-0065]) previously discloses a power management system based on DSP; the external connection with a network manager is also known from document D01 (paragraphs [0057,0058], figure 8); the energy control, generation and storage system has also been previously described in document D01 (paragraphs [0050-0056]); and finally, providing the control signals to the inverter and the connection elements for managing electrical energy is known in the light of documents D01 (paragraphs [0060-0062]) and D02 (paragraphs [0060-0065]). Accordingly, claim R5 lacks inventive activity. Claim R6 describes an electrical energy management device with an integral state analyzer that is responsible for controlling wave quality parameters, estimating local production, downstream demand, storage capacity and which also allows reconfiguring the system and establish a system operation mode through fuzzy logic thanks to the internal information and the rest of the network. The use of fuzzy logic in generated power control systems is known in the state of the art and does not differ from the known technique described in documents D03 (summary and figures) and D04 (summary and figures) in any essential form, since that providing the data for the decision on the mode of operation by means of an integral analyzer is simply one of several obvious possibilities that a person skilled in the art would select according to the circumstances to solve the problem posed. Therefore, the invention according to claim R6 is considered obvious to one skilled in the art. On the other hand, vector control algorithms are known within the state of the art as shown in document D05 (the whole document). The object of claim R7 comprises only embodiments and cannot be considered to involve inventive activity. All the features described in claim R8 are measures considered obvious to a person skilled in the art, since no inventive effort is considered necessary to develop a device capable of receiving two types of data (measurements and network status data ). The seven types of operations described by claim R8 are not considered technical characteristics of the device, but the result that is intended to be achieved. Similarly, the features described in claim R9 are measures considered obvious to a person skilled in the art, since no inventive effort is considered necessary to develop a device capable of emitting three types of data (PWM, command signals , internal status signals). The operations performed by the management device according to claim R9 are not considered technical characteristics of the device, but the result that is intended to be achieved. In view of the foregoing, claims R2-R9 are not considered to involve inventive activity (Art 8.1 LP). State of the Art Report Page 5/5