WO2012049875A1 - Dispositif de conception de système de production d'énergie, procédé de conception de système de production d'énergie et programme - Google Patents

Dispositif de conception de système de production d'énergie, procédé de conception de système de production d'énergie et programme Download PDF

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Publication number
WO2012049875A1
WO2012049875A1 PCT/JP2011/060017 JP2011060017W WO2012049875A1 WO 2012049875 A1 WO2012049875 A1 WO 2012049875A1 JP 2011060017 W JP2011060017 W JP 2011060017W WO 2012049875 A1 WO2012049875 A1 WO 2012049875A1
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WIPO (PCT)
Prior art keywords
node
information
tree structure
power
unit
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PCT/JP2011/060017
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English (en)
Japanese (ja)
Inventor
木村　敏
定一 安田
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株式会社フィールドロジック
コンピュティップス株式会社
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Publication of WO2012049875A1 publication Critical patent/WO2012049875A1/fr

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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F30/00—Computer-aided design [CAD]
    • G06F30/10—Geometric CAD
    • G06F30/18—Network design, e.g. design based on topological or interconnect aspects of utility systems, piping, heating ventilation air conditioning [HVAC] or cabling
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2119/00—Details relating to the type or aim of the analysis or the optimisation
    • G06F2119/06—Power analysis or power optimisation
    • 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
    • Y04S40/20—Information technology specific aspects, e.g. CAD, simulation, modelling, system security

Definitions

  • the present invention relates to a power generation system design apparatus for designing a power generation system represented by a tree structure.
  • This invention was made in order to solve the said subject, and it aims at providing the power generation system design apparatus etc. which can design a power generation system arbitrarily.
  • a power generation system design apparatus exists in a route node corresponding to a connection point, a leaf node corresponding to a natural energy power generation device, and a path from the connection point to the power generation device.
  • Information on a tree structure indicating a parent-child relationship with an intermediate node corresponding to an intermediate that is an object, and information having attribute information indicating an attribute relating to generation or reduction of power corresponding to each node is stored.
  • Tree structure information storage unit instruction information for generating a new child node for an existing node in the tree structure, child node generation instruction information which is information including attribute information of the child node, and parent and child in the tree structure Intermediate node generation instruction that is information on an instruction to generate a new intermediate node between two existing nodes in a relationship and includes information on the attribute of the intermediate node
  • the attribute information included in the child node generation instruction information and the child node corresponding to the attribute information are added to the tree structure information.
  • the attribute information included in the intermediate node generation instruction information and the change unit that adds the intermediate node corresponding to the attribute information to the tree structure information and the tree structure indicated by the tree structure information are visually displayed. And an output unit for outputting so that it can be recognized.
  • the intermediate may include one or more selected from the group of a cable, a connection box, a DC / AC converter, a transformer, and a boosting unit.
  • a power generation system including a cable, a connection box, a DC / AC converter, a transformer, and the like can be designed.
  • the intermediate node may include a dummy intermediate node that is an intermediate node for which no corresponding intermediate exists.
  • a dummy intermediate node can be set.
  • a tree structure can be divided into an arbitrary partial tree structure where there is no intermediate node corresponding to the intermediate.
  • power generation can be evaluated in the partial tree structure.
  • the tree structure includes leaf nodes corresponding to electric devices that consume power
  • the tree structure information includes attribute information regarding power consumption corresponding to the leaf nodes. May be. With such a configuration, it becomes possible to set a leaf node that consumes power, and a more detailed design is possible.
  • the tree structure information includes the same parent tree as a parent when a plurality of the same partial tree structures having the same parent node as a parent exist in the tree structure in parallel. It has tree structure information indicating a sub-tree structure and number information indicating the number of the same sub-tree structure.
  • the receiving unit also receives the number information, and the changing unit receives the number information received by the receiving unit. It may be added to the tree structure information.
  • the output unit may output each node of the tree structure and at least a part of the attribute information corresponding to each node. With such a configuration, at least part of the attribute information is output.
  • the reception unit also receives an instruction for specifying a node in the tree structure output by the output unit, and the output unit corresponds to the node specified by the instruction received by the reception unit. Attribute information may also be output. With such a configuration, attribute information corresponding to the designated node is output.
  • the tree structure includes an intermediate node corresponding to the intermediate that is the cable and an intermediate node corresponding to the intermediate that is the DC / AC converter
  • the changing unit includes:
  • the attribute information corresponding to the cable on the leaf side than the intermediate node corresponding to the DC / AC converter is determined according to the DC cable, and the attribute information corresponding to the cable on the route side than the intermediate node corresponding to the DC / AC converter is set. It is good also as a thing according to AC cable. With this configuration, the cable attribute information can be automatically set.
  • the tree structure includes an intermediate node corresponding to the intermediate that is the cable and an intermediate node corresponding to the intermediate that is the DC / AC converter.
  • the attribute information corresponding to the cable on the leaf side of the intermediate node corresponding to the DC / AC converter corresponds to the mismatch in the cable corresponding to the AC cable and the cable on the route side than the intermediate node corresponding to the DC / AC converter.
  • It may further include a consistency detection unit that detects a mismatch whose corresponding attribute information corresponds to the DC cable, and the output unit may also output the mismatch detected by the consistency detection unit.
  • the power generation system design apparatus supports the root node by calculating the amount of generated power and the reduction in the amount of power from the leaf node to the root node using the attribute information included in the tree structure information.
  • the simulation part which acquires the electric energy in the connection point to perform may further be provided, and an output part may also output the electric energy in the connection point which the simulation part acquired. With such a configuration, it becomes possible to know the amount of power at the interconnection point by the designed power generation system.
  • the simulation unit may recursively calculate the amount of power generated and the reduction in the amount of power in the tree structure.
  • the power generation device may be a solar cell. With such a configuration, it is possible to design a solar cell power generation system.
  • movement of the electric power generation system design apparatus by the embodiment The flowchart which shows operation
  • the figure which shows an example of the display in the embodiment The figure which shows an example of the display in the embodiment
  • the figure which shows an example of the display in the embodiment The figure which shows an example of the display in the embodiment
  • the figure which shows an example of the display in the embodiment The figure which shows an example of the display in the embodiment
  • the figure which shows an example of the display in the embodiment The figure which shows an example of the tree structure information in the embodiment
  • the figure which shows an example of the display in the embodiment The figure which shows an example of the tree structure information in the embodiment
  • Embodiment 1 A power generation system design apparatus according to Embodiment 1 of the present invention will be described with reference to the drawings.
  • the power generation system design apparatus according to the present embodiment designs a power generation system represented by a tree structure.
  • FIG. 1 is a block diagram showing a configuration of a power generation system design apparatus 1 according to the present embodiment.
  • the power generation system design apparatus 1 according to the present embodiment includes a tree structure information storage unit 11, a reception unit 12, a change unit 13, a consistency detection unit 14, a simulation unit 15, and an output unit 16.
  • the tree structure information storage unit 11 stores tree structure information.
  • the tree structure information includes a root node corresponding to a connection point, a leaf node corresponding to a power generator of natural energy, an intermediate node corresponding to an intermediate existing in a path from the connection point to the power generation device, and Is a tree structure information indicating the parent-child relationship.
  • the interconnection point is a point where a power generation system to be designed is connected to another power system. For example, a power generation system to be designed is connected to a commercial power system. Therefore, the most upstream side in the power generation system is a connection point.
  • the natural energy power generation device is a power generation device using natural energy such as sunlight, wind power, hydropower, tidal power, wave power, etc., and may be a solar cell, for example, wind power generation or hydropower generation. It may be a generator such as tidal power generation or wave power generation. In this embodiment, the case where the power generation device is a solar cell will be mainly described.
  • the intermediate may include one or more selected from the group of a cable, a connection box, a DC / AC converter, a transformer, and a boosting unit. That is, an intermediate node corresponding to one or more members selected from the group of cables, junction boxes, DC / AC converters, transformers, and boosting units may exist in the tree structure.
  • the intermediate node may be, for example, one corresponding to a cable or one corresponding to a connection box, and may be a DC / AC converter (hereinafter also referred to as “orthogonal converter”). It may be compatible, may be compatible with a transformer, or may be compatible with a boost unit.
  • the orthogonal transformer may be called a power conditioner or a PCS (power conditioning subsystem).
  • a dummy intermediate node that is an intermediate node having no corresponding intermediate may exist in the intermediate node.
  • the intermediate node may be used, for example, as a location for calculating the electric energy in the simulation unit 15.
  • the tree structure may include leaf nodes corresponding to electric devices that consume power.
  • the electric device that consumes electric power may be, for example, an air-conditioning electric device (air conditioner) for cooling an orthogonal transformer, a transformer, or the like, may be a lighting device, or may be a monitoring device, Electric equipment used in other power generation systems may be used.
  • the root node is a node having no parent node.
  • a leaf node is a node having no child node.
  • An intermediate node is a node in which one parent node and one or more child nodes exist.
  • the information indicating the tree structure includes, for example, information for identifying a parent node of each node (for example, a node ID of the parent node, a pointer indicating a position where the parent node information is stored, etc.).
  • It may be information that has, for each node, information that identifies the child node of that node (for example, a node ID of the child node, a pointer that indicates the position where the child node information is stored, etc.)
  • it may be information having information for specifying a parent node and a child node of each node.
  • the information indicating the tree structure may be other information as long as the information can indicate the parent-child relationship of each node.
  • the tree structure information has attribute information indicating attributes relating to generation or reduction of power corresponding to each node.
  • the attribute information related to the generation of power may be, for example, information indicating a voltage, a current, or the like during 100% power generation or during power generation under standard test conditions (STC: Standard Test Conditions).
  • the attribute information related to power reduction may be, for example, information indicating efficiency, information used to calculate power consumption at the node, information used to calculate resistance, and the like.
  • the corresponding attribute information does not have to exist in the root node corresponding to the interconnection point or the dummy intermediate node.
  • the corresponding attribute information may not exist in the intermediate node corresponding to the connection box.
  • attribute information regarding power consumption corresponding to the leaf node may be included in the tree structure information.
  • the attribute information of the solar cell is information used to calculate the amount of power generated by the solar cell.
  • the attribute information of the cable is information used to calculate the reduction in power in the cable, and may be, for example, the resistance of the cable, or information used to calculate the resistance of the cable (for example, a long length). , Cross-sectional area, number, material, etc.).
  • the attribute information of the quadrature transformer is information used to calculate the decrease in power in the quadrature transformer, and includes, for example, a DC voltage, an AC voltage, and an AC wiring system (for example, single-phase two-wire or three-way Phase 3 wire, etc.), conversion efficiency.
  • the voltage may have a width. Further, the conversion efficiency may be set for each width of the input DC voltage.
  • the attribute information of the transformer is information used for calculating a reduction in power in the transformer, and may be, for example, a rated capacity, a no-load loss, a load loss, or a transformation ratio. In the present embodiment, it is assumed that the transformation ratio of the transformer is the transformation ratio when the leaf side is the primary voltage and the root side is the secondary voltage.
  • the voltage on the root side multiplied by the transformation ratio becomes the voltage on the leaf side. This is the same whether power is supplied from the leaf side to the root side or when power is supplied from the root side to the leaf side.
  • the voltage on the route side may be included in the attribute information of the transformer. This is because the voltage on the root side may be selected by tap switching.
  • the attribute information of an electric device that consumes power is information used to calculate the amount of power consumed by the electric device. For example, even if it is voltage, current (or power consumption), operation rate, etc. Good.
  • the operating rate is the average rate at which the electrical equipment is operating.
  • the operation rate is 50%
  • 50% of the electric energy is consumed in a certain period (for example, one month, one day, one hour, etc.).
  • a certain period for example, one month, one day, one hour, etc.
  • at least a part of the information described above may not be included in the attribute information of the tree structure information, and information other than the information described above may be included in the attribute information of the tree structure information.
  • an upper limit value of an input voltage or current may be included in the attribute information.
  • the tree structure information includes a tree structure indicating one subtree structure having a parent node as a parent when a plurality of the same subtree structures having the same parent node as a parent exist in the tree structure in parallel. Information and number information indicating the number of the same subtree structure may be included. In this way, it is not necessary to repeatedly set the same sub-tree structure in the tree structure, the design is easy at the time of designing, and the grasping is easy when viewing the designed power generation system. Become.
  • each node information has attribute information and number information corresponding to the node.
  • Each node information has information indicating a parent-child relationship of a tree structure.
  • the information indicating the parent-child relationship may be, for example, information for specifying the parent node, information for specifying the child node, or the parent node and the child node. It may be information for specifying both.
  • node information includes information for specifying a parent node of a corresponding node.
  • the attribute information included in the tree structure information may be managed as a separate file or not.
  • the tree structure information stored in the tree structure information storage unit 11 is accumulated by the changing unit 13.
  • the storage in the tree structure information storage unit 11 may be temporary storage in a RAM or the like, or may be long-term storage.
  • the tree structure information storage unit 11 can be realized by a predetermined recording medium (for example, a semiconductor memory, a magnetic disk, an optical disk, etc.).
  • the accepting unit 12 accepts child node generation instruction information and intermediate node generation instruction information.
  • the child node generation instruction information is information on an instruction to generate a new child node for an existing node in the tree structure.
  • the child node generation instruction information is information including attribute information of a child node to be generated. Also, it is assumed that the parent node for the child node to be generated can be specified by the child node generation instruction information.
  • the intermediate node generation instruction information is information on an instruction to generate a new intermediate node between two existing nodes having a parent-child relationship in a tree structure.
  • the intermediate node generation instruction information is information including attribute information of the intermediate node to be generated.
  • the receiving unit 12 may also receive the number information. The number information may or may not be included in the child node generation instruction information and the intermediate node generation instruction information.
  • the receiving unit 12 may receive information other than those.
  • the reception unit 12 may receive an instruction to delete an existing node in the tree structure.
  • the receiving unit 12 may receive an instruction to update an existing node in the tree structure.
  • the update may be, for example, an update of attribute information, an update of number information, an update of a parent-child relationship of a tree structure, or another update.
  • the reception unit 12 may receive information input from an input device (for example, a keyboard, a mouse, a touch panel, etc.), or receives information transmitted via a wired or wireless communication line. May be.
  • the reception unit 12 may or may not include a device (for example, a modem or a network card) for reception.
  • the reception unit 12 may be realized by hardware, or may be realized by software such as a driver that drives a predetermined device.
  • the changing unit 13 adds the attribute information included in the child node generation instruction information and the child node corresponding to the attribute information to the tree structure information. That is, the changing unit 13 changes the tree structure information so that the child node instructed to generate by the child node generation instruction information is added to the tree structure, and adds the attribute information to the tree structure information.
  • the changing unit 13 generates new node information according to the received child node generation instruction information, and the attribute information included in the received child node generation instruction information is included in the node information. to add.
  • the changing unit 13 sets the parent-child relationship so that the parent node of the node corresponding to the generated node information becomes the parent node specified by the child node generation instruction information.
  • the changing unit 13 adds the received number information to the generated node information.
  • the changing unit 13 adds the attribute information included in the intermediate node generation instruction information and the intermediate node corresponding to the attribute information to the tree structure information. That is, the changing unit 13 changes the tree structure information so that an intermediate node whose generation is instructed by the intermediate node generation instruction information is added to the tree structure, and adds the attribute information to the storage image information. In the present embodiment, the changing unit 13 generates new node information according to the received intermediate node generation instruction information, and the attribute information included in the received intermediate node generation instruction information is included in the node information. to add.
  • the changing unit 13 sets the parent-child relationship so that the parent node of the node corresponding to the generated node information becomes the parent node specified by the intermediate node generation instruction information.
  • the changing unit 13 updates the parent-child relationship so that the child node of the node corresponding to the generated node information becomes a child node specified by the intermediate node generation instruction information.
  • the changing unit 13 adds the received number information to the generated node information.
  • the changing unit 13 receives the tree structure information so that the node to be deleted is deleted from the tree structure according to the instruction. Update.
  • the tree structure information includes attribute information corresponding to the node to be deleted, the attribute information may be deleted.
  • the changing unit 13 deletes the node information corresponding to the node to be deleted in response to the received instruction to delete the existing node.
  • the changing unit 13 updates the parent-child relationship so that the child node of the node to be deleted becomes a child node of the parent node of the node to be deleted.
  • the changing unit 13 updates the tree structure information according to the instruction.
  • the changing unit 13 updates the attribute information of the node information corresponding to the node to be updated to new attribute information. May be.
  • the changing unit 13 accordingly specifies a parent node included in the node information corresponding to the node to be updated. The information may be updated.
  • the consistency detection unit 14 detects inconsistency in the tree structure information that attribute information corresponding to the cable on the leaf side of the intermediate node corresponding to the DC / AC converter corresponds to the AC cable.
  • the consistency detector 14 detects a mismatch if the number of cables on the leaf side of the intermediate node corresponding to the DC / AC converter is not two. May be.
  • the consistency detection unit 14 detects the mismatch. May be.
  • the consistency detection unit 14 detects inconsistency in the tree structure information that the attribute information corresponding to the cable on the route side from the intermediate node corresponding to the DC / AC converter corresponds to the DC cable. If the AC wiring system of the DC / AC converter is “N line” (N is an integer of 2 or more), the number of cables in the AC cable on the root side of the DC / AC converter is N. Therefore, the consistency detection unit 14 may detect a mismatch if the number of cables on the route side from the intermediate node corresponding to the DC / AC converter is not N.
  • the consistency detection unit 14 may detect inconsistency.
  • the tree structure When these mismatches are detected, the tree structure includes an intermediate node corresponding to the intermediate that is the cable and an intermediate node corresponding to the intermediate that is the DC / AC converter. become.
  • the simulation unit 15 uses the attribute information included in the tree structure information to calculate the amount of generated power and the decrease in the amount of power from the leaf node to the root node, thereby generating power at the interconnection point corresponding to the root node. Get the quantity. If the tree structure includes a leaf node corresponding to an electric device that consumes power, the simulation unit 15 performs a calculation in consideration of the power consumption. In addition, when the tree structure information includes the number information, the simulation unit 15 calculates the power at the parent node of the partial structure tree when calculating the power amount at the parent node of the partial structure tree indicated by the number information. The amount of power obtained by multiplying the amount by the number indicated by the number information is used.
  • the simulation unit 15 calculates a voltage and a current according to the power generated or consumed at that leaf node. In addition, the simulation unit 15 inputs, for each intermediate node, the sum of all the power from one or more child nodes of the intermediate node, and considers the decrease in power in the intermediate node, thereby determining the intermediate node.
  • the power passed to the parent node can be calculated.
  • the simulation unit 15 sets 0 as the power on the root side of the intermediate node. .9 * A (W) can be calculated.
  • the simulation unit 15 reduces the power on the intermediate node from the negative power on the leaf side. By adding, the power on the route side can be calculated.
  • the simulation unit 15 uses A as the power on the root side of the intermediate node as A /0.9 (W) can be calculated.
  • a (W) is necessary on the leaf side of the intermediate node, and A / 0.9 (W) needs to be received from the root side.
  • the power may be expressed as minus.
  • the simulation unit 15 may calculate the power (W) as long as the power amount (Wh) can be calculated finally. Further, since the power (W) is a product of the voltage (V) and the current (A), the simulation unit 15 may calculate the voltage and the current.
  • the simulation unit 15 may calculate the power amount of each node by calculating the voltage and current of each node at each time zone and time.
  • the simulation unit 15 may calculate the power amount of each node by calculating the voltage and current of each node at each time zone and time.
  • the time zone may be one hour or an integer time of 2 or more.
  • the time may be, for example, one day, one week, one month, one year, or another time.
  • the simulation part 15 may acquire the electric energy in each node finally, or may acquire only the electric energy in a connection point.
  • each type of node Each of a solar cell corresponding to a leaf node, a cable corresponding to an intermediate node, an orthogonal transformer, a transformer, a connection box, and an electric device that consumes power corresponding to a leaf node will be described.
  • a method for calculating the voltage and the like on the root side will be described.
  • the intermediate node a method for calculating the voltage on the root side using the voltage on the leaf side will be described.
  • the power of the root node can be calculated by summing the power on the root side of the child nodes of the root node. Further, in this simulation, it is assumed that calculation is performed from the leaf side toward the root side regardless of whether power is consumed or generated.
  • the attribute information corresponding to the solar cell includes the current and voltage during power generation under standard test conditions, that is, the nominal output current. And the nominal output voltage.
  • the solar radiation ratio corresponding to the ratio of sunlight reaching the ground is stored at regular intervals. For example, if it is cloudy or rainy, the amount of solar radiation reaching the solar cell will be lower than in sunny weather.
  • the simulation part 15 shall acquire the solar altitude (angle which makes a horizontal 0 degree
  • the solar altitude and azimuth corresponding to the altitude may be acquired together with the latitude and longitude.
  • This acquisition may be, for example, acquisition by calculating the solar altitude or the like, or acquisition using information (for example, see FIG. 16) that associates the date and time with the altitude and azimuth angle of the sun.
  • the attribute information corresponding to the solar cell may include an azimuth angle in the normal direction of the solar cell and an inclination angle of the solar cell (an inclination angle with respect to the horizontal, where the horizontal is 0 degree).
  • the simulation part 15 calculates the cosine (cos (theta)) of angle (theta) which a solar ray and the normal line of a solar cell make about a certain time slot
  • generates is computable by multiplying the calculated cosine cos (theta), the solar radiation ratio of the time which wants to calculate the electric power generation amount of a solar cell, and the electric current at the time of the electric power generation of standard test conditions.
  • the voltage at the time of the electric power generation of standard test conditions will be used as an electric power generated voltage. That is, the voltage and current on the root side of the solar cell are as follows.
  • Root side voltage nominal output voltage (V)
  • Route side current cos ⁇ ⁇ (insolation ratio (%) / 100) ⁇ nominal output current (A)
  • the amount of power determined by the calculated current and the voltage at the time of power generation under the standard test conditions is the amount of power generated by the solar cell. Originally, the power generation amount of the solar cell is indicated by electric power, but in the calculation at the upper node, current and voltage values may be required.
  • the voltage or the calculated current may be stored in a recording medium (not shown).
  • the calculation method described here is a simple calculation method that approximates that all the solar radiation corresponds to direct sunlight. A calculation method when the solar radiation is divided into direct solar radiation and scattered solar radiation will be described later.
  • the simulation unit 15 acquires the resistance of the cable.
  • the voltage drop by a cable is computable by following Formula using the acquired resistance.
  • the simulation unit 15 can calculate the voltage on the cable root side by subtracting the calculated voltage drop from the voltage on the leaf side of the cable. Note that the current on the route side of the cable is the same as the current on the leaf side of the cable. When there are a plurality of child nodes on the leaf side of the cable, the current on the leaf side of the cable is the sum of the currents on the root side of the plurality of child nodes.
  • V K x resistance ( ⁇ ) x current (A)
  • K is a coefficient corresponding to the wiring system (electric system) and is as follows.
  • Wiring method K value DC 2-wire system 2 AC single-phase two-wire system 2 AC single-phase three-wire system 1 AC three-phase three-wire system 3 1/2 AC three-phase four-wire system 1
  • a wiring system it becomes a DC 2-wire system between a solar cell and an orthogonal converter, and the root node side becomes an AC wiring system produced
  • the wiring method of the upper node is the same as that of the root node.
  • an orthogonal converter or an AC / DC converter is present at a higher node of the electrical device, the same applies to the case of the solar cell. That is, between the electrical equipment and the orthogonal transformer or AC / DC converter, the leaf side wiring system is used, and the root node side of the orthogonal converter or AC / DC converter is the root side wiring system.
  • the input voltage, output voltage, and efficiency of the orthogonal transformer can be known by referring to attribute information corresponding to the orthogonal transformer. Accordingly, by using them, the voltage and current on the root side corresponding to the voltage and current on the leaf side can be calculated.
  • the leaf side of the orthogonal transformer is a direct current and the root side is an alternating current will be described.
  • the input DC voltage of the orthogonal converter is 200 to 600 (V)
  • the output AC voltage is B (V)
  • the efficiency is C (%)
  • the DC voltage on the leaf side of the orthogonal converter is D (V )
  • the current is E (A)
  • the voltage on the root side is B (V)
  • the current on the root side is D ⁇ E ⁇ (C / 100) / B (A).
  • D is assumed to be in the range of 200 to 600.
  • the orthogonal transformer has been described here, the calculation is performed in the same manner when there is an electrical device that operates on a direct current on the leaf side and the AC / DC converter is used on the upper side of the electrical device. It can be carried out.
  • the AC voltage on the root side of the AC / DC converter is B (V)
  • the efficiency is C (%)
  • the DC voltage on the leaf side is D (V)
  • the current is E (A)
  • the voltage on the root side is B (V)
  • the current is D ⁇ E ⁇ (100 / C) / B (A).
  • connection box In the present embodiment, it is assumed that no power reduction occurs in the junction box. Therefore, the sum of the output powers of the child nodes of the connection box is passed to the parent node of the connection box.
  • the sum of all currents on the leaf side of the junction box becomes the current on the root side, and the voltage on the leaf side of the junction box (usually the multiple child nodes) The voltage is the same for all), but it becomes the voltage on the root side as it is. Note that the calculation related to the dummy intermediate node can be performed in the same manner as the connection box.
  • the loss (W) in the transformer can be calculated by the following equation using the attribute information corresponding to the transformer.
  • Loss (W) No-load loss (W) + (Input ratio) 2 x Load loss (W)
  • input ratio input power / rated capacity of transformer”.
  • the loss affects the output current.
  • AC of D (V) and E (A) is input from the leaf side of the transformer, the transformation ratio is N, the no-load loss is F (W), and the load loss is G (W)
  • the loss (W) is F + (D ⁇ E / H) 2 ⁇ G.
  • the voltage (V) on the route side is D / N
  • the current (A) on the route side is N ⁇ E ⁇ N ⁇ ⁇ F + (D ⁇ E / H) 2 ⁇ G ⁇ / D. .
  • the calculation is performed as follows. For example, D (V) and E (A) alternating current is consumed on the leaf side of the transformer, the transformation ratio is N, no-load loss is F (W), and load loss is G (W). Assume that the capacity is H (VA).
  • the input ratio on the root side of the transformer must be used. Here, the input ratio on the root side and the input on the leaf side must be used. The calculation is performed by approximating that the ratio (strictly speaking, the output ratio) is equal. Then, the loss (W) is F + (D ⁇ E / H) 2 ⁇ G.
  • the voltage (V) on the route side is D / N
  • the current (A) on the route side is N ⁇ E + N ⁇ ⁇ F + (D ⁇ E / H) 2 ⁇ G ⁇ / D.
  • the attribute information corresponding to the electrical device includes the voltage (V), power consumption (W), and operation rate (%) of the electrical device. Therefore, the simulation part 15 can know the voltage (V) and electric current (A) consumed by the electric equipment by using them.
  • the current (A) is L ⁇ (M / 100) / J, where J (V) is the voltage of the electrical device, L (W) is the power consumption, and M (%) is the operation rate. .
  • the calculation at the upper node of the electric device that consumes power is performed so that the power on the lower side of the node can be secured even if the reduction in power at the node to be calculated is taken into consideration.
  • the power of is calculated. For example, if the efficiency of a node to be calculated is 90% and P (W) is consumed on the lower side of the node, P / 0.9 (W) is required on the upper side of the node. become.
  • the power may be attenuated depending on the shape of each node, connection terminals, and other characteristics. Therefore, when performing the calculation for each node, the voltage, current, and power on the root side of each node may be calculated by multiplying by a coefficient corresponding to the characteristics related to the attenuation of power.
  • the calculation at each node is not limited to the above method, and other calculations may be performed. For example, in the transformer, the case where the loss affects only the current has been described, but the calculation may be performed so that the loss affects both the current and the voltage.
  • the simulation unit 15 acquires the electric energy as follows. First, the simulation unit 15 calculates the amount of power generated at the leaf node and the amount of power consumed at the leaf node.
  • the simulation unit 15 specifies the type of leaf node (for example, a solar cell or an electric device that consumes power) from which the amount of power is acquired, and reads an expression corresponding to the type. Then, the simulation unit 15 calculates the voltage and current on the root side according to the read expression.
  • the simulation part 15 shall perform the calculation which also used the solar radiation ratio etc. as mentioned above.
  • the coefficient of the read expression may be acquired using attribute information corresponding to the leaf node.
  • the simulation unit 15 acquires the electric energy for the intermediate node for which the electric energy of all the child nodes has already been acquired. Specifically, the simulation unit 15 specifies the type of intermediate node (for example, a cable, a transformer, an orthogonal transformer, a connection box, a dummy intermediate node, etc.) from which power is acquired by using the tree structure information. To do. The simulation unit 15 determines whether the power on the leaf side of the intermediate node is positive or negative. Then, the simulation unit 15 reads, from a recording medium (not shown), equations for calculating the root-side voltage and current of the intermediate node according to the type of the intermediate node and the sign of the power on the leaf side.
  • a recording medium not shown
  • the simulation unit 15 uses the attribute information corresponding to the intermediate node to acquire the coefficient of the read expression.
  • the attribute information can be considered to include the parameters in the formula used for calculating the node type and the power amount on the root side of the node.
  • the simulation unit 15 calculates the voltage and current on the root side of the intermediate node by using an expression into which the voltage, power, coefficient, and the like on the leaf side are substituted.
  • the calculated voltage and current may be stored in a recording medium (not shown) until output by the output unit 16 is performed. At that time, it may be stored in association with information for identifying the node.
  • the simulation part 15 can calculate the electric energy of a root node by repeatedly calculating this intermediate node to a root node.
  • the simulation unit 15 multiplies the calculated power amount by the value indicated by the number information for the leaf node or the intermediate node.
  • the amount of power is calculated as the amount of power on the root side of the leaf node or intermediate node.
  • the simulation unit 15 calculates the current on the root side by multiplying the calculated current by the value indicated by the number information.
  • the simulation unit 15 is, for example, a node on the lower side of the transformer, and the nearest node that can determine the voltage (for example, an orthogonal converter or a solar cell).
  • the output unit 16 outputs so that the tree structure indicated by the tree structure information can be visually recognized. That is, the output by the output unit 16 may be a display on a display device (for example, a CRT or a liquid crystal display), may be a transmission for display on a transmission destination device, It may be an accumulation or a delivery to another component for display. Moreover, in those outputs, the display may be replaced with printing. In the present embodiment, the case where the output unit 16 performs display on a display device will be described. Note that a method of generating a tree structure figure indicated by the tree structure information from the tree structure information is already known, and the description thereof is omitted. Further, in the tree structure output by the output unit 16, it is preferable that each node included in the tree structure can be identified. For example, the node name may be included in each node of the tree structure.
  • the output unit 16 may output the mismatch detected by the consistency detection unit 14.
  • the simulation unit 15 acquires the power amount or the like at the connection point
  • the output unit 16 may output the power amount or the like at the connection point acquired by the simulation unit 15.
  • the output unit 16 may or may not include a device that performs output (for example, a display device or a printer).
  • the output unit 16 may be realized by hardware, or may be realized by software such as a driver that drives these devices.
  • Step S101 The receiving unit 12 determines whether or not child node generation instruction information has been received. If child node generation instruction information is received, the process proceeds to step S102, and if not, the process proceeds to step S104.
  • Step S102 The changing unit 13 changes the tree structure information stored in the tree structure information storage unit 11 so that a child node to be generated is added according to the received child node generation instruction information.
  • Step S103 The output unit 16 outputs the tree structure information after the change. Then, the process returns to step S101.
  • Step S104 The receiving unit 12 determines whether intermediate node generation instruction information has been received. If intermediate node generation instruction information is received, the process proceeds to step S105, and if not, the process proceeds to step S107.
  • Step S105 The changing unit 13 changes the tree structure information stored in the tree structure information storage unit 11 so that an intermediate node to be generated is added according to the received intermediate node generation instruction information.
  • Step S106 The output unit 16 outputs the tree structure information after the change. Then, the process returns to step S101.
  • Step S107 The receiving unit 12 determines whether an instruction to delete a node has been received. If an instruction to delete a node is received, the process proceeds to step S108. If not, the process proceeds to step S110.
  • Step S108 The changing unit 13 changes the tree structure information stored in the tree structure information storage unit 11 so that the node to be deleted is deleted in response to the received instruction to delete the node.
  • Step S109 The output unit 16 outputs the tree structure information after the change. Then, the process returns to step S101.
  • Step S110 The consistency detection unit 14 determines whether or not to perform detection related to consistency. And when performing the detection regarding consistency, it progresses to step S111, and when that is not right, it progresses to step S113. For example, the consistency detection unit 14 may determine that the detection related to the consistency is performed after the child node or the intermediate node is added, or the power generation system design apparatus 1 performs the detection related to the consistency. When an instruction to this effect is received, it may be determined that detection regarding consistency is performed. In the present embodiment, the latter case will be described.
  • Step S111 The consistency detection unit 14 performs detection related to consistency.
  • Step S112 The output unit 16 outputs a result of detection related to consistency by the consistency detection unit 14. Note that the output unit 16 may perform this output only when inconsistency is detected, or may perform output even if inconsistency is not detected. Then, the process returns to step S101.
  • Step S113 The simulation unit 15 determines whether to perform a simulation. If the simulation is performed, the process proceeds to step S114. If not, the process returns to step S101. Note that the simulation unit 15 may determine that the simulation is performed when the power generation system design apparatus 1 receives an instruction to perform the simulation, for example.
  • Step S114 The simulation unit 15 performs a simulation and acquires the amount of power at the interconnection point.
  • the acquired electric energy may be stored in a recording medium (not shown). Details of this processing will be described later with reference to the flowchart of FIG.
  • Step S115 The output unit 16 outputs a simulation result.
  • the simulation result includes at least the electric energy at the interconnection point. Then, the process returns to step S101.
  • processing for changing the tree structure information so that the node is updated may be performed in response to the instruction to update the node and in accordance with the received instruction to update.
  • the process is ended by power-off or a process end interrupt.
  • the flowchart of FIG. 3 is a flowchart showing details of the simulation process (step S114) in the flowchart of FIG. (Step S201)
  • the simulation unit 15 acquires the hierarchical level of each node using the tree structure information stored in the tree structure information storage unit 11. This hierarchical level is based on the root node. Further, the hierarchical level of the child node is a value larger by 1 than the hierarchical level of the parent node of the child node. In the present embodiment, the hierarchical level of the root node is “1”. Note that a method of acquiring the hierarchical level of each node using tree structure information, for example, node information, is already known and will not be described.
  • Step S202 The simulation unit 15 sets the counter M to the maximum value of the hierarchy level acquired in Step S201.
  • Step S203 The simulation unit 15 calculates the generated power, the consumed power, the reduced power, and the like for all the nodes having the hierarchical level “M”. As described above, this calculation is performed for leaf nodes by calculating generated power and consumed power. In addition, this calculation refers to the tree structure information for the intermediate node, identifies the child node of the intermediate node, and uses the power on the root side of the identified child node to determine the root side of the intermediate node. This is done by calculating the power. Further, this calculation is performed by referring to the tree structure information for the root node, specifying child nodes of the root node, and summing the power on the root side of the specified child node.
  • Step S204 The simulation unit 15 decrements the counter M by one. By doing so, the node to be calculated is close to the root node by one layer.
  • Step S205 The simulation unit 15 determines whether the counter M is equal to zero. If the value is equal to 0, the calculation up to the root node has been completed, so the process proceeds to step S206. Otherwise, the process returns to step S203.
  • Step S206 The simulation unit 15 determines whether to repeat the processing from Step S202. If it is repeated, the process returns to step S202. If not, the process returns to the flowchart of FIG. For example, when acquiring the amount of electric power for one day by accumulating the amount of electric power every hour or acquiring the amount of electric power for one year by accumulating the amount of electric power for every day, The simulation unit 15 may determine that the calculation is repeated until the calculation of the last time or the last day is completed, and may determine that the calculation is not repeated if the calculation of the last time or the last day is completed.
  • step S206 when the processes of steps S202 to S205 are repeated, after the determination process of step S206 is NO, a process of summing the electric energy in each process may be performed.
  • the output unit 16 displays the tree structure on a display (not shown).
  • the output unit 16 reads the tree structure information stored in the tree structure information storage unit 11 and displays the tree structure. It is assumed that the tree structure information includes only information on the root node corresponding to the interconnection point. Then, the output unit 16 performs the display shown in FIG. In FIG. 4, only the root node “connection point” is displayed. It is assumed that the node ID of the root node “connected point” is “N001”.
  • the output unit 16 displays a screen shown in FIG. 5 that requests input of node information relating to a newly generated child node. Information for generating this screen is stored in a recording medium (not shown), and the output unit 16 may perform the display of FIG.
  • FIG. 5 by reading it.
  • input of the name of the node displayed on the screen, the number of the nodes, and the type of the nodes is required.
  • a solar cell, a cable, an orthogonal transformer, a connection box, a transformer, an electric device, and a dummy intermediate node can be selected as the node type.
  • the user inputs the name “PCS”, selects the number “1” from the pull-down menu, selects the type “orthogonal transformer” from the pull-down menu, and clicks the “OK” button. Suppose you click.
  • the name “PCS”, the number “1”, and the type “orthogonal transformer” are received by the receiving unit 12 and temporarily stored in a recording medium (not shown). Also, the type “orthogonal transformer” is passed to the output unit 16 via a path (not shown).
  • the output unit 16 When receiving the type “orthogonal transformer”, the output unit 16 issues an ID of the “orthogonal transformer” and displays a screen requesting input of an attribute corresponding to the orthogonal transformer of the issued ID.
  • “orthogonal transformer 001” is issued as the ID of the orthogonal transformer, and a screen requesting input of the attribute of the orthogonal transformer identified by the ID is displayed.
  • Information for generating this screen is stored in a recording medium (not shown) for each type of node, and the output unit 16 may display the screen by reading it.
  • the screen as shown in FIG. 6, it is assumed that the user inputs a DC voltage range, an AC voltage, an AC wiring method, and an efficiency, and clicks an “OK” button.
  • a DC voltage “250 to 600 (V)”, an AC voltage “200 (V)”, an AC wiring method “three-phase three-wire”, and an efficiency “90 (%)” are received by the receiving unit 12.
  • the child node generation instruction information is completely received (step S101).
  • the receiving unit 12 receives the name “PCS”, the number “1”, the type “orthogonal transformer”, and the DC voltage “250 to 600 (V)” and the AC voltage “200 ( V) ”, AC wiring method“ three-phase three-wire ”, efficiency“ 90 (%) ”, ID“ orthogonal transformer 001 ”issued by the output unit 16, and node ID“ N001 ”currently highlighted. ”(This node may be referred to as“ node N001 ”.
  • an instruction to generate a child node is passed to the changing unit 13.
  • the changing unit 13 generates node information corresponding to the child node having the node ID “N001”.
  • the node information is indicated by the second record in FIG.
  • the node ID “N002” is a node ID issued when generating the node information.
  • the name and number information are information input by the user, and the parent node ID is the node ID of the currently highlighted node.
  • the attribute information is an ID of an orthogonal transformer corresponding to the node.
  • the changing unit 13 separately accumulates attribute information corresponding to the ID of the orthogonal transformer in the tree structure information storage unit 11 as shown in FIG. 8A (step S102).
  • the ID of the corresponding orthogonal transformer, the lower limit (V) and upper limit (V) of the DC voltage, the AC voltage (V), the wiring method, Efficiency (%) is associated.
  • These voltages and the like are values received by the receiving unit 12.
  • the output unit 16 refers to the tree structure information shown in FIG. 7 and displays the tree structure as shown in FIG. 9 (step S102).
  • the root node “linkage point” and its child node “PCS” are displayed.
  • the “name” of each node is displayed so that the parent-child relationship of each node can be understood.
  • a method for displaying a tree structure using information indicating the tree structure is already known, and a description thereof will be omitted.
  • the user inputs the name “transformer”, the number “1”, and the type “transformer” in accordance with the display on the screen. Then, they are received by the receiving unit 12 and stored in a recording medium (not shown). In addition, an ID “transformer 001” corresponding to the type “transformer” is issued, and a screen for requesting input of attribute information corresponding to the ID “transformer 001” is displayed. Assume that the user inputs a rated capacity (kVA), no-load loss (W), load loss (W), and transformation ratio on the screen, and clicks an “OK” button as shown in FIG. Then, the input attribute information is received by the receiving unit 12.
  • kVA rated capacity
  • W no-load loss
  • W load loss
  • transformation ratio as shown in FIG.
  • the intermediate node generation instruction information is completely received (step S104).
  • the reception unit 12 receives the name received so far, the attribute of the transformer received this time, the issued ID, and an instruction to generate a new intermediate node as a parent node of the node N002.
  • the data is passed to the changing unit 13.
  • the changing unit 13 generates the node N003 as a child node of the node N001 that is the parent node of the node N002 at that time, and also changes the node N002 so that the node N002 becomes a child node of the generated node N003. Update the parent node ID.
  • step S105 the output unit 16 refers to the tree structure information shown in FIG. 11 and displays the tree structure as shown in FIG. 12 (step S106).
  • the tree structure information becomes as shown in FIG. 13, and the attribute information corresponding to the tree structure information becomes as shown in FIG.
  • the display according to the tree structure information is as shown in FIG.
  • “100 ⁇ ” displayed in the connection box indicates that 100 connection boxes are connected to the cable.
  • the “100” corresponds to the number information “100” of the connection boxes in the tree structure information of FIG.
  • the attribute information of each node is stored in the tree structure information storage unit 11 as shown in FIG. 8.
  • the cable as shown in FIG. 8C, attribute information indicating the length, the cross-sectional area, and the number of pieces is stored.
  • the solar cell as shown in FIG.
  • the voltage and current during power generation under the standard test conditions the azimuth angle in the normal direction of the solar cell panel, and the inclination angle of the solar cell panel
  • the attribute information shown is stored.
  • the maximum current is the current under standard test conditions.
  • attribute information indicating voltage, power consumption, and operation rate is stored.
  • the accepting unit 12 accepts an instruction to detect consistency (step S110), and passes an instruction to detect consistency to the consistency detecting unit 14.
  • the consistency detection unit 14 refers to the tree structure information and performs a detection process related to consistency (step S111). Specifically, the consistency detection unit 14 first detects node information of the orthogonal transformer by performing a search with the search key “orthogonal transformer” in the attribute information of the tree structure information. In this case, the node information of the node N002 is hit.
  • the consistency detection unit 14 detects the node of the cable existing from the node of the orthogonal transformer to the root node by following the parent node of the node information corresponding to the detected orthogonal transformer.
  • the detection is performed by detecting a node including “cable” in the attribute information, which exists from the node N002 of the orthogonal transformer to the root node (node having no parent node ID).
  • the consistency detection unit 14 detects the node of the cable existing from the node N002 to the leaf node.
  • the detection is performed by detecting a node including “cable” in the attribute information existing from the node N002 of the orthogonal transformer to a leaf node (a node having no parent node). .
  • the node N004 is detected as a cable node.
  • the consistency detecting unit 14 determines whether or not the attribute information corresponding to the cable on the leaf side from the orthogonal transformer corresponds to the AC cable. In this case, since the number of cables of the attribute information shown in FIG. 8C corresponding to the cable ID “cable 001” is “2”, the consistency detection unit 14 does not detect inconsistency. . As a result, the output unit 16 displays the detection result “no inconsistency” regarding consistency (step S112).
  • the reception unit 12 receives an instruction to perform a simulation (step S113), and passes the instruction to perform a simulation to the simulation unit 15.
  • the simulation unit 15 refers to the tree structure information and performs a simulation (step S114).
  • the simulation unit 15 uses information shown in FIGS. 15 and 16 stored in a recording medium (not shown).
  • FIG. 15 is information indicating the solar radiation ratio for each month, and is calculated according to the rate at which sunlight reaches the position of the solar cell using past weather information.
  • FIG. 16 is information having date and time, sun altitude, and sun azimuth in association with each other in Osaka, Japan.
  • the date and time when there is no solar altitude or azimuth is before sunrise or after sunset, indicating that there is no sunlight irradiated to the solar cell. Further, in this specific example, in the simulation, the electric energy at the connection point is calculated every hour from January 1 to December 31 in 2010, and these are totaled to obtain one year of 2010. A case where the total amount of power is calculated will be described.
  • the simulation unit 15 acquires the hierarchical level of each node of the tree structure indicated by the tree structure information in FIG. 13 (step S201). Specifically, the simulation unit 15 sets the hierarchy level of the root node to “1” and sets the hierarchy level of the child node of the root node to “2”. In addition, the hierarchy level of the child node of the node at the hierarchy level “2” is set to “3”. In this way, the simulation unit 15 repeatedly executes “N + 1” as the hierarchical level of the child node of the node at the hierarchical level “N” until the hierarchical level of the leaf node is calculated. Moreover, the simulation part 15 calculates a hierarchy level about all the nodes. The simulation unit 15 may store information having a node ID and a hierarchical level of the node identified by the node ID in association with each other in a recording medium (not shown).
  • the simulation unit 15 obtains the maximum hierarchical level that is the highest hierarchical level from the hierarchical levels corresponding to all nodes.
  • the maximum hierarchical level is “6”. Therefore, the simulation unit 15 sets the counter M to the maximum hierarchy level “6” (step S202).
  • the simulation unit 15 calculates the amount of power related to each node whose hierarchical level is the maximum hierarchical level “6” (step S203).
  • the simulation unit 15 since the node having the hierarchical level “6” is only the node of the solar cell, the simulation unit 15 performs the calculation at 0:00 on January 1, 2010 for the node of the solar cell. In this case, since the sun does not come out, the voltage and current of the solar cell are zero. Therefore, even if it is multiplied by the number “5” indicated by the number information, the voltage and current become 0, and the simulation unit 15 is the node at 0 o'clock on January 1, 2010 as shown in the first record in FIG. A voltage “0” and a current “0” corresponding to N006 are stored in a recording medium (not shown).
  • the simulation unit 15 updates the counter to “5” (steps S204 and S205), and calculates the electric energy related to each node having the hierarchical level “5” (step S203).
  • the simulation unit 15 since the node whose hierarchy level is “5” is only the node of the connection box, the simulation unit 15 performs the calculation for the node. Specifically, since the connection box only collects the power input from the leaf side and outputs it to the root side, the voltage “0” and the power “0” of the child node N006 are set to 1 in FIG. Get from the second record. Then, the voltage and current obtained by multiplying them by the number “100” indicated by the number information are stored as shown in the second record of FIG.
  • the simulation unit 15 updates the counter to “4” (steps S204 and S205), and calculates the electric energy related to each node whose hierarchical level is “4” (step S203).
  • the simulation unit 15 since the nodes having a hierarchy level of “4” are a cable node and an air conditioner node, the simulation unit 15 first calculates the cable.
  • the cable as in the case of the connection box, the voltage and current output to the route side are both “0”.
  • the attribute information shown in FIG. 8E that is, the voltage “400 (V)”, the power consumption “12000 (W)”, and the operation rate “100 (%)” are read out.
  • the simulation unit 15 updates the counter to “3” (steps S204 and S205), and calculates the electric energy related to each node having the hierarchical level “3” (step S203).
  • the simulation unit 15 since the node having a hierarchy level of “3” is a PCS node and a transformer node, the simulation unit 15 first calculates the PCS.
  • the PCS as in the case of the cable, the voltage and current output to the route side are both “0”.
  • the attribute information is indicated by the second record in FIG. 8B, and the voltage 400 (V) and the current 30 (A) are consumed at the node N008 of the air conditioner that is a child node of the transformer.
  • the voltage and current on the root side are calculated as described in the simulation for the transformer.
  • the current 30 (A) is used, and the current of the calculation result is attached with a minus sign and accumulated in FIG.
  • the voltage at the node N007 at 0:00 on January 1, 2010 is 200 (V), and the current is ⁇ 61.4 (A).
  • the simulation unit 15 updates the counter to “2” (steps S204 and S205), and calculates the electric energy related to each node whose hierarchical level is “2” (step S203).
  • the simulation unit 15 since the node having the hierarchical level “2” is a transformer node, the simulation unit 15 calculates the voltage and current on the root side in the same manner as described above. In the calculation, since the current on the leaf side is a negative value “ ⁇ 61.4 (A)”, the simulation unit 15 uses an expression when power is consumed on the leaf side of the transformer. Calculation shall be performed. As a result, the voltage at the node N003 at 0 o'clock on January 1, 2010 is 20 k (V), and the current is -0.664 (A).
  • the simulation unit 15 updates the counter to “1” (steps S204 and S205), and calculates the electric energy related to each node whose hierarchical level is “1” (step S203).
  • the node “1” at the hierarchical level is the node of the connection point, and its child node is only the node N003, and there is no reduction in the amount of power at the connection point, so the node N001 of the connection point
  • step S204 to S206 the simulation unit 15 sets 1 at 1 on January 1, 2010. Calculation in time is performed (steps S202 to S205). Thereafter, the calculation is performed every hour.
  • the simulation unit 15 uses them to calculate the solar rays and the solar cell. Calculate the cosine of the angle with the normal. Its cosine is “0.693”.
  • the cosine may be calculated as follows, for example. First, both the direction of solar rays and the normal direction of solar cells are expressed using angles of the same coordinate system (for example, polar coordinate system).
  • the simulation unit 15 performs calculation related to the cable that is closer to the root node by one layer than the connection box. Therefore, the simulation unit 15 refers to the attribute information shown in FIG. 8C corresponding to the cable and calculates the resistance of the cable.
  • all the cables are assumed to be copper wires.
  • the simulation unit 15 performs calculation related to the orthogonal transformer that is closer to the root node by one layer than the cable.
  • 90% of the power is converted into an alternating current with a voltage of 200 (V)
  • the voltage and current on the route side of the orthogonal transformer are 200 ( V), 232655 ⁇ 0.9 / 200 ⁇ 1047 (A).
  • the voltage and current of the node N007 corresponding to the transformer, which is the parent node of the air conditioner are 200 (V) and ⁇ 61.4 (A), as described above.
  • the simulation unit 15 performs a calculation on a transformer that is closer to the root node by one layer than the orthogonal transformer.
  • the current on the root side of the node N002 corresponding to the orthogonal transformer that is a child node of the transformer is 1047 (A)
  • the current on the root side of the node N007 corresponding to the transformer that is a child node of the transformer is ⁇ 61. Since 4 (A), the current on the leaf side of the transformer is 1047-61.4 ⁇ 986 (A). Accordingly, when the voltage and current on the root side of the node N003 are calculated in the same manner as described above, they are 20 k (V) and 9.77 (A).
  • the voltage and current of the node N001 corresponding to the interconnection point are also the same as the node N003.
  • the calculation at 9:00 on January 1, 2010 is completed.
  • the result is as shown in FIG. Therefore, at 1 hour on January 1st, 2010, at the connection point, a power amount of 20 k ⁇ 9.77 ⁇ 195 (kWh) is output from the power generation system to the outside, that is, to the commercial power system (electric power company). Will be.
  • the simulation unit 15 performs this calculation until 23:00 on December 31, and calculates the total amount of electric power for each hour at the interconnection point. As a result, it is assumed that the total amount of power for one year at the interconnection point is ABC (kWh). Then, the output unit 16 displays “ABC (kWh)” that is the simulation result (step S115). The display allows the user to know the amount of power in one year of 2010. Note that the output unit 16 may output information indicating the voltage and current of each node shown in FIGS. 17 and 18, for example. By viewing the output, the user can identify a node with a large reduction in power, and can change the design of the power generation system accordingly. For example, referring to FIG. 18, it can be seen that the voltage drop in the cable is large. Therefore, the user may change the design so that the voltage drop in the cable does not increase by shortening the length of the cable or increasing the cross-sectional area of the cable. Moreover, you may make a design change in another location.
  • the reception unit 12 receives a detection instruction regarding consistency (step S110), and the consistency detection unit 14 performs a detection process regarding consistency (step S111). ). Specifically, the consistency detection unit 14 identifies the node N002 corresponding to the orthogonal transformer, and traces the parent node of the node N002, thereby detecting the cable existing from the node of the orthogonal transformer to the root node. Detect nodes.
  • the consistency detecting unit 14 determines whether or not the attribute information corresponding to the cable on the route side from the orthogonal transformer corresponds to the DC cable.
  • the consistency detector 14 refers to the attribute information of the node N002 to acquire the AC wiring method “3-wire”. And when the cable which exists in the route
  • the output unit 16 outputs that there is a mismatch in the cable corresponding to the node N009 (step S112).
  • This output may be, for example, displaying a graphic indicating inconsistency at the display position corresponding to the node N009. The user can delete the node or change the attribute of the node according to the output of the detection result regarding the consistency.
  • the receiving unit 12 may receive an instruction to delete an existing node, and the changing unit 13 may delete the node according to the instruction.
  • the node information is updated so that the node ID of the parent node of the node to be deleted becomes the parent node ID.
  • the receiving unit 12 may receive an instruction to update an existing node, and the changing unit 13 may update the node information according to the instruction.
  • the simulation unit 15 may perform the simulation by considering factors other than the above description. For example, the simulation unit 15 may perform the simulation in consideration of a decrease in the amount of power generation according to the shadow on the solar cell panel caused by buildings around the solar cell. When considering the shadow, the simulation unit 15 may consider a reduction in the amount of power generation corresponding to the shadow, for example, by multiplying the amount of power not generated by the shadow on the panel by the amount of power generated by the panel. .
  • the step-up unit performs step-up with direct current. For example, if a leaf node of a solar cell that generates 500 V and a leaf node of a solar cell that generates 300 V have the same parent node, the 500 V solar cell is caused by the voltage difference between the two leaf nodes. An electric current will flow to the 300V solar cell. Therefore, in that case, a boosting unit is provided as a parent node of the leaf node of the 300V solar cell, and the boosting unit boosts 300V to the same voltage (in this case, 500V) as the other leaf nodes. It is possible to prevent a current from flowing from one leaf node to another leaf node.
  • the power on the route side may be calculated as in the case of the orthogonal transformer.
  • the voltage on the root side is a boosted voltage (in the above example, 500 V).
  • the current on the root side can be calculated in the same manner as in the case of the orthogonal transformer.
  • the efficiency of the boosting unit may be constant, or may be set for each voltage or power width on the leaf side. Further, the information such as the solar radiation ratio is shown for explanation of this specific example, and does not necessarily follow the actual weather information.
  • the power generation system design apparatus 1 it is possible to design an arbitrary power generation system indicated by a tree structure. For example, it is possible to design freely from a small scale such as a household power generation system to a large scale such as a power generation system that generates power as a business. In addition, it is possible to simulate the amount of power that can be generated in the power generation system designed as described above. In addition, since a dummy intermediate node can be set, it is possible to know the amount of power at a location where no node exists.
  • the output unit 16 may also output attribute information corresponding to nodes in the tree structure.
  • the reception unit 12 also receives an instruction (for example, mouse over, click, tap, etc.) for specifying a node in the tree structure output by the output unit 16, and the output unit 16 receives the instruction received by the reception unit 12.
  • the attribute information corresponding to the node specified by may be output.
  • the output unit 16 corresponds to the ID “orthogonal transformer 001”, which is attribute information corresponding to the node N002 of the PCS.
  • the attribute information to be read may be read from the tree structure information storage unit 11 and the attribute information may be output.
  • the output unit 16 may output each node of the tree structure and at least a part of the attribute information corresponding to each node. For example, in FIG. 14, “DC 250 to 600 V, AC 200 V (three-phase three-wire), 90%” may be displayed on the node N002 of the PCS. Alternatively, a part of the information may be displayed. For example, “DC 250 to 600 V, AC 200 V (three-phase three-wire)” may be displayed.
  • an intermediate node corresponding to the intermediate that is a cable and an intermediate node corresponding to the intermediate that is a DC / AC converter are When included, the changing unit 13 sets the attribute information corresponding to the cable on the leaf side of the intermediate node corresponding to the DC / AC converter according to the DC cable, and more than the intermediate node corresponding to the DC / AC converter.
  • the attribute information corresponding to the cable on the route side may be in accordance with the AC cable. That is, when inputting cable attribute information, the number of cables on the leaf side of the orthogonal transformer is automatically set to “2”, and the number of cables on the root side of the orthogonal transformer is set.
  • the same number as the wiring system means that the number is set to N when the wiring system is “N line”.
  • production of the mismatch regarding the number of cables can be prevented. Therefore, in this case, it is not necessary to detect the consistency of the cable.
  • the power generation system design device 1 may not include the consistency detection unit 14.
  • the amount of power may be calculated every time zone other than one hour, for example, every two hours or every three hours.
  • the simulation part 15 may calculate the electric energy for every day. For example, using the average of the cosine of the solar ray and the normal of the solar cell, the average daily voltage and current at the solar cell node and other nodes are calculated.
  • the daily amount of electricity may be calculated using the daily sunshine hours.
  • the amount of power for one month is calculated by calculating the amount of power for the day and multiplying the amount of power by the number of days in one month.
  • the amount may be calculated.
  • the amount of electricity for one year can be calculated by calculating the amount of electricity for 12 days per month.
  • a leaf node corresponding to the battery may be included in the tree structure.
  • an intermediate node corresponding to a charge / discharge controller that controls charging / discharging exists at an upper node of the battery.
  • the intermediate node corresponding to the charge / discharge controller is usually a node having the same parent node as the intermediate node corresponding to the orthogonal transformer. In the charge / discharge controller, conversion between direct current and alternating current, charge control, and discharge control are performed.
  • the charge / discharge controller may perform the calculation assuming that the behavior is the same as that of the orthogonal transformer. In the simulation, it may be calculated that the battery behaves in the same manner as an electric device that consumes power during charging, and behaves like a solar cell during discharging. Whether the battery is discharged or charged is determined by the charge / discharge controller. Therefore, at the time of simulation, the battery discharge / charge may be determined by making the same determination as that of the charge / discharge controller. In the simulation, the charge amount of the battery may be stored in association with the leaf node corresponding to the battery.
  • the time and time zone when the dummy intermediate node is effective. For example, by setting such a dummy intermediate node in an upper node of an electric device that consumes power, it becomes possible to specify a time and a time zone in which the electric device consumes power.
  • the time may be specified by month, may be specified by day of the week, or may be specified by both.
  • the time zone may be specified, for example, from 7:00 to 9:00 or from 17:00 to 21:00. Specifically, if a setting is made that a range from 7 o'clock to 9 o'clock is valid from Monday to Friday of every month for a certain dummy intermediate node, the setting is made during simulation.
  • the total amount of power on the leaf side of the dummy intermediate node is the amount of power on the root side only during the time and time period (that is, from 7:00 to 9:00 from Monday to Friday). In the band (that is, other than 7:00 to 9:00 from Monday to Friday, and all day on Saturday and Sunday), the total amount of power on the root side of the dummy intermediate node is zero.
  • the operation rate As the attribute information of the leaf node corresponding to the electric device that consumes power.
  • a plurality of electric devices for example, an air conditioner and a television set
  • a plurality of electric devices existing in the same room is used.
  • the dummy intermediate node it is possible to make a setting to operate only at the same time and time.
  • the case where the node corresponding to the interconnection point is the root node has been described.
  • the design or simulation is performed on the partial tree structure having the node corresponding to the interconnection point as the root node. Therefore, even in such a case, it can be considered that the tree structure has a node corresponding to the interconnection point as a root node by paying attention to the partial tree structure.
  • the option setting is a setting as to whether or not various options of the power generation system are taken into consideration, for example, a setting as to whether or not a shadow on the panel of the solar cell is taken into consideration.
  • the parameter setting is a parameter setting used in the power generation system, for example, a temperature characteristic setting of the solar cell. Such option settings and parameter settings may be managed as child nodes of the root node corresponding to the interconnection point. In that case, the node related to the setting of the option or the setting of the parameter is not a calculation target of the electric energy in the simulation.
  • specific data for option settings and parameter settings may be displayed in the tree structure, or when a node corresponding to option settings or parameter settings is selected in the tree structure, the selection Specific data of option settings and parameter settings corresponding to the designated nodes may be displayed. Further, the simulation unit 15 may perform a simulation at the time of simulation by referring to the option settings and parameter settings.
  • the tree structure indicated by the tree structure information includes at least a root node corresponding to the interconnection point (this root node may be a root node in the partial tree structure as described above), power generation Any tree structure may be used as long as it indicates a parent-child relationship between a leaf node corresponding to a device and an intermediate node corresponding to an intermediate object, and the tree structure may further include nodes corresponding to other elements.
  • the consistency detection unit 14 may perform detection related to consistency other than detection of consistency related to the cable.
  • an upper limit voltage or current is set for a cable, an orthogonal transformer, a transformer, a booster unit, or the like
  • the possibility of exceeding the upper limit may be detected as a mismatch.
  • this inconsistency detection for example, a simulation is performed when power generation under standard test conditions or 100% power generation is performed at a leaf node corresponding to a power generation device, and at that time, it is determined whether the upper limit is exceeded at each node. However, if the upper limit is exceeded, inconsistency may be detected.
  • consistency detection is performed.
  • the unit 14 may detect inconsistency.
  • the consistency detection unit 14 has a configuration in which the voltage on the root side of the boosting unit is not determined even though there is an intermediate node corresponding to the boosting unit in the tree structure (in this case, If the boosting unit does not know how much the voltage on the leaf side should be boosted), the mismatch may be detected.
  • the calculation method about the solar cell at the time of simulation was mentioned above, the calculation method is an example and it cannot be overemphasized that different calculation may be performed.
  • power, voltage, and current generated by a solar cell under standard test conditions are disclosed as the nominal output of the solar cell. Therefore, when the nominal output is included in the attribute information, a simulation may be performed using the nominal output.
  • the amount of solar radiation under standard test conditions is 1000 W / m 2 . Therefore, the nominal output is an output when the solar radiation amount is 1000 W / m 2 .
  • the amount of solar radiation of each hour of each month averaged using past weather information for example, the average for the past 20 years
  • a recording medium not shown.
  • the amount of solar radiation can be divided into direct solar radiation corresponding to direct sunlight and scattered solar radiation corresponding to scattered light.
  • a function that can calculate the ratio between the amount of direct solar radiation and the amount of scattered solar radiation with the solar position (solar altitude and azimuth angle of the sun) as an argument here called “direct-scattering / scattering ratio function”) Is known). Therefore, the simulation unit 15 reads the amount of solar radiation “P (W / m 2 )” in the month and day in which the simulation is performed.
  • the sun position corresponding to the date and time zone is acquired, and the ratio of the direct solar radiation amount corresponding to the solar position and the scattered solar radiation amount is acquired using the direct / scattering ratio function.
  • the ratio between the direct solar radiation amount and the scattered solar radiation amount is Q: (1-Q). However, 0 ⁇ Q ⁇ 1.
  • the amount of scattered solar radiation reaches the solar cell regardless of the direction of the normal line of the solar cell, but the amount of direct solar radiation is the amount obtained by multiplying the cosine (cos ⁇ ) of the angle ⁇ between the solar ray and the normal line of the solar cell. Will reach the solar cell. Therefore, the amount of solar radiation used for power generation in the solar cell is P ⁇ ⁇ Q ⁇ cos ⁇ + (1 ⁇ Q) ⁇ (W / m 2 ). As a result, power generation is performed at a rate of P ⁇ ⁇ Q ⁇ cos ⁇ + (1 ⁇ Q) ⁇ / 1000.
  • Root side voltage nominal output voltage (V)
  • Route side current P ⁇ ⁇ Q ⁇ cos ⁇ + (1 ⁇ Q) ⁇ ⁇ nominal output current / 1000 (A) Therefore, the simulation part 15 may calculate the electric energy of a solar cell using this type
  • the simulation unit 15 operates 100% up to the dummy intermediate node.
  • the power consumption is calculated in the same way as the rate, and in the calculation at the dummy intermediate node, if the calculation target time and time zone are not valid time or time zone, the voltage on the root side of the dummy intermediate node If the current and power are set to 0, and the time and time zone to be calculated are valid times and time zones, the voltage, current and power on the root side of the dummy intermediate node are It may be the same as the voltage, current, and power on the side.
  • the simulation unit 15 calculates the power loss at each intermediate node as a current loss as described in the above cable, and the simulation is performed so that the voltage does not change between the leaf side and the root side of the intermediate node. May be performed. That is, an expression that allows the simulation unit 15 to perform such a calculation may be set. In this way, when the intermediate node or the root node has a plurality of child nodes, it becomes easy to equalize the voltages on the root side of the plurality of child nodes.
  • Such information may be stored in a recording medium (not shown) and output by the output unit 16.
  • the leaf side wiring method and the route side wiring method of each node may be stored together with the simulation result together with the voltage and current of each node.
  • the case where the power generation system design apparatus 1 includes the simulation unit 15 has been described. However, if the simulation is not performed, the power generation system design apparatus 1 may not include the simulation unit 15. In this case, the device is designed only. Even in such a case, it is preferable that the attribute information included in the tree structure information includes the necessity for the simulation so that the simulation can be performed in another device or the like.
  • leaf nodes corresponding to electric devices that consume power there are leaf nodes corresponding to electric devices that consume power, intermediate nodes corresponding to cables, connection boxes, orthogonal transformers, transformers, and the like. Of these, one or more nodes may not exist. Further, although the dummy intermediate node has been described, the dummy intermediate node may not be included in the tree structure.
  • step S114 a simulation process
  • Step S301 The simulation unit 15 uses the tree structure information stored in the tree structure information storage unit 11 to calculate power and the like for the root node. This calculation of power and the like is a process of calculating the power and the like on the root side for the node to be calculated, and the process is performed by calling and executing the flowchart of FIG. In step S301, the node to be calculated is a root node. The processing of the flowchart in FIG. 19B will be described later. (Step S302) The simulation unit 15 determines whether to repeat the process of step S301. If it is repeated, the process returns to step S301. Otherwise, the process returns to the flowchart of FIG.
  • the simulation unit 15 may determine that the calculation is repeated until the calculation of the last time or the last day is completed, and may determine that the calculation is not repeated if the calculation of the last time or the last day is completed.
  • FIG. 19B is a flowchart showing details of processing for calculating power and the like related to a node to be calculated.
  • Step S401 The simulation unit 15 determines whether the node to be calculated is a leaf node using the tree structure information. If the node is a leaf node, the process proceeds to step S405. If the node is other than a leaf node, the process proceeds to step S402. (Step S ⁇ b> 402) The simulation unit 15 performs a calculation process of power and the like illustrated in FIG. 19B, with a node on the one-layer leaf side as a calculation target node with respect to a calculation target node. That is, a recursive call is made.
  • step S402 when calculating the node to be calculated, in step S402, the calculation related to the node on the one-hierarchy leaf side from the node is recursively performed.
  • the recursive calculation termination condition is that the node to be calculated is a leaf node, as will be described later.
  • Step S403 The simulation unit 15 determines whether the calculation has been completed for all the nodes on the one-layer leaf side with respect to the node to be calculated. If the calculation is completed for all the nodes on the leaf side, the process proceeds to step S404. If not, the process returns to step S402, and the calculation is performed for the nodes on the leaf side that have not been calculated yet. By repeatedly executing the processes in steps S402 and S403, the calculation for all nodes on the one-hierarchy leaf side with respect to the node to be calculated ends. (Step S ⁇ b> 404) The simulation unit 15 calculates the power and the like on the route side of the node using the attribute information of the node to be calculated.
  • the simulation unit 15 takes as an input a result obtained by summing the power and the like of all nodes on the leaf side of the node to be calculated. Then, the simulation unit 15 uses the input and the attribute information corresponding to the node to be calculated to calculate the power consumed by the node, so that the power on the root side of the node is calculated. Calculate For example, the simulation unit 15 determines the type of the node (for example, a cable, an orthogonal transformer, a transformer, etc.) from the attribute information of the node to be calculated, and the leaf side with respect to the node to be calculated To determine whether the input from is positive or negative.
  • the type of the node for example, a cable, an orthogonal transformer, a transformer, etc.
  • the simulation part 15 reads the type
  • This equation is an equation including parameters.
  • the simulation part 15 substitutes the parameter in the formula contained in the attribute information of the node used as the calculation object for the read formula.
  • the simulation part 15 calculates the electric power etc. of the root
  • the simulation unit 15 may use the input as the power on the root side as it is. Then, return to the caller.
  • Step S405 The simulation unit 15 calculates the power generated at the leaf node to be calculated, the power consumed, and the like. With this calculation, the power on the root side of the leaf node to be calculated is calculated. Then, return to the caller. As described above, the simulation unit 15 may recursively calculate the amount of generated power and the decrease in the amount of power in the tree structure. That is, the simulation unit 15 performs the process of calculating the power amount on the root side of each node by a recursive process in which the end condition is that the node to be calculated becomes a leaf node. The amount of power may be calculated.
  • the electric power generation system design apparatus 1 may be a stand-alone apparatus, and may be a server apparatus in a server client system. Good.
  • the output unit or the reception unit may receive input or output information via a communication line.
  • each process or each function may be realized by centralized processing by a single device or a single system, or may be distributedly processed by a plurality of devices or a plurality of systems. It may be realized by doing.
  • the information exchange between the components is performed by one component when, for example, the two components that exchange the information are physically different from each other. It may be performed by outputting information and receiving information by the other component, or when two components that exchange information are physically the same, one component May be performed by moving from the phase of the process corresponding to to the phase of the process corresponding to the other component.
  • information related to processing executed by each component for example, information received, acquired, selected, generated, transmitted, or received by each component
  • information such as threshold values, mathematical formulas, addresses, etc. used by each component in processing is retained temporarily or over a long period of time on a recording medium (not shown) even when not explicitly stated in the above description. It may be.
  • the storage of information in the recording medium (not shown) may be performed by each component or a storage unit (not shown).
  • reading of information from the recording medium (not shown) may be performed by each component or a reading unit (not shown).
  • information used by each component for example, information such as a threshold value, an address, and various setting values used by each component may be changed by the user Even if it is not specified in the above description, the user may be able to change the information as appropriate, or it may not be. If the information can be changed by the user, the change is realized by, for example, a not-shown receiving unit that receives a change instruction from the user and a changing unit (not shown) that changes the information in accordance with the change instruction. May be.
  • the change instruction received by the receiving unit (not shown) may be received from an input device, information received via a communication line, or information read from a predetermined recording medium, for example. .
  • the two or more components included in the power generation system design apparatus 1 when two or more components included in the power generation system design apparatus 1 have communication devices, input devices, etc., the two or more components have a physically single device. Or may have separate devices.
  • each component may be configured by dedicated hardware, or a component that can be realized by software may be realized by executing a program.
  • each component can be realized by a program execution unit such as a CPU reading and executing a software program recorded on a recording medium such as a hard disk or a semiconductor memory.
  • achieves the electric power generation system design apparatus 1 in the said embodiment is the following programs.
  • this program has a root node corresponding to the interconnection point, a leaf node corresponding to the power generator of natural energy, and an intermediate node corresponding to the intermediate that is present in the path from the interconnection point to the power generation device.
  • a first receiving step for receiving, in a computer, child node generation instruction information which is information on an instruction to generate a new child node for an existing node in the tree structure, and which includes attribute information of the child node;
  • child node generation instruction information When child node generation instruction information is received in the first reception step, the attribute information included in the child node generation instruction information and the attribute information
  • a second changing step for adding an intermediate node corresponding to the attribute information to the tree structure information, and an output step for outputting
  • the processing realized by the program does not include processing that can be realized only by hardware.
  • the computer executes a reception step for receiving information, an output step for outputting information, and the like
  • a process that can be realized only by hardware such as a modem or an interface card is at least included in the process realized by the program. Shall not.
  • this program may be executed by being downloaded from a server or the like, and a program recorded on a predetermined recording medium (for example, an optical disk such as a CD-ROM, a magnetic disk, or a semiconductor memory) is read out. May be executed by Further, this program may be used as a program constituting a program product.
  • a predetermined recording medium for example, an optical disk such as a CD-ROM, a magnetic disk, or a semiconductor memory
  • the computer that executes this program may be singular or plural. That is, centralized processing may be performed, or distributed processing may be performed.
  • FIG. 20 is a schematic diagram illustrating an example of an external appearance of a computer that executes the program and realizes the power generation system design apparatus 1 according to the embodiment.
  • the above-described embodiment can be realized by computer hardware and a computer program executed on the computer hardware.
  • the computer system 900 includes a computer 901 including a CD-ROM (Compact Disk Only Memory) drive 905, a keyboard 902, a mouse 903, and a monitor 904.
  • a computer 901 including a CD-ROM (Compact Disk Only Memory) drive 905, a keyboard 902, a mouse 903, and a monitor 904.
  • CD-ROM Compact Disk Only Memory
  • FIG. 21 is a diagram showing an internal configuration of the computer system 900.
  • a computer 901 in addition to the CD-ROM drive 905, a computer 901 is connected to an MPU (Micro Processing Unit) 911, a ROM 912 for storing a program such as a bootup program, and the MPU 911, and receives instructions of an application program.
  • MPU Micro Processing Unit
  • ROM 912 for storing a program such as a bootup program
  • a RAM (Random Access Memory) 913 that temporarily stores and provides a temporary storage space
  • a hard disk 914 that stores application programs, system programs, and data
  • a bus 915 that interconnects the MPU 911, ROM 912, and the like
  • the computer 901 may include a network card (not shown) that provides connection to the LAN.
  • the program that causes the computer system 900 to execute the functions of the power generation system design apparatus 1 according to the above embodiment may be stored in the CD-ROM 921, inserted into the CD-ROM drive 905, and transferred to the hard disk 914. Instead, the program may be transmitted to the computer 901 via a network (not shown) and stored in the hard disk 914. The program is loaded into the RAM 913 when executed. The program may be loaded directly from the CD-ROM 921 or the network.
  • the program does not necessarily include an operating system (OS) or a third-party program that causes the computer 901 to execute the functions of the power generation system design apparatus 1 according to the above embodiment.
  • the program may include only a part of an instruction that calls an appropriate function (module) in a controlled manner and obtains a desired result. How the computer system 900 operates is well known and will not be described in detail.

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Abstract

L'invention vise à produire un dispositif de conception de système de production d'énergie destiné à être utilisé dans la conception de systèmes de production d'énergie. A cet effet, l'invention porte sur un dispositif de conception de système de production d'énergie qui comprend : une unité d'enregistrement d'informations de structure arborescente (11) pour enregistrer des informations de structure arborescente exprimant une relation parent-enfant entre un nœud racine qui est un point d'interconnexion, un nœud feuille qui est un générateur d'énergie électrique, et un nœud intermédiaire qui est intermédiaire entre le point d'interconnexion et le générateur d'énergie électrique, et comprenant des informations d'attribut pour la production ou la réduction de puissance au niveau de chaque nœud ; une unité de réception (12) pour recevoir des informations d'instruction de production de nœud enfant comprenant des informations d'attribut pour un nœud enfant à soumettre à une production, et des informations d'instruction de production de nœud intermédiaire comprenant des informations d'attribut pour un nœud intermédiaire à soumettre à une production ; une unité de modification (13) pour ajouter aux informations de structure arborescente les informations d'attribut incluses dans les informations d'instruction de production de nœud enfant reçues et le nœud enfant associé aux informations d'attribut, et ajouter aux informations de structure arborescente les informations d'attribut incluses dans les informations d'instruction de production de nœud intermédiaire reçues et le nœud intermédiaire associé aux informations d'attribut; et une unité de sortie (16) pour délivrer en sortie la structure arborescente exprimée par les informations de structure arborescente de manière à ce qu'elle soit visuellement reconnaissable.
PCT/JP2011/060017 2010-10-13 2011-04-25 Dispositif de conception de système de production d'énergie, procédé de conception de système de production d'énergie et programme WO2012049875A1 (fr)

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WO2016022603A1 (fr) * 2014-08-04 2016-02-11 California Institute Of Technology Descente de gradient distribuée pour solution de flux de puissance optimal dans des réseaux radiaux
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WO2017147612A1 (fr) 2016-02-25 2017-08-31 California Institute Of Technology Réseau de charge adaptative utilisant des stations de charge adaptative pour véhicules électriques
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