KR20220151077A - Solar power plant operation maintenance cost estimation system and method - Google Patents

Abstract

The present invention relates to a system and method for estimating the operation and maintenance costs of a photovoltaic power plant. The system and method for estimating operation and maintenance costs of a photovoltaic power plant according to one embodiment of the present invention comprises: a service standard module selecting a standard service of maintenance cost for each maintenance service of the photovoltaic power plant, calculating a regular cost and an irregular cost by service, respectively, calculating the cost by service by applying a standard cost model with the standard service, and modeling a cost split structure of the photovoltaic power plant; a cost standard module calculating a preventive maintenance pattern and a failure maintenance pattern for each cost split structure of the photovoltaic power plant based on the cost split structure modeling calculated in the service standard module, and calculating the standard cost of maintenance by service in the photovoltaic power plant by calculating a required cost based on calculated information; a characteristic correction module standardizing the characteristics of the photovoltaic power plant by correcting the characteristics of the photovoltaic power plant based on the environmental characteristics, installation characteristics, and sub-facility and quantity of the photovoltaic power plant; and a cost estimation module calculating the cost of maintenance service of the photovoltaic power plant based on the information calculated from the service standard model, cost standard model, and characteristic correction module. According to one embodiment of the present invention, the effect of the installation environment of the photovoltaic power plant on the cycle of failure or preventive maintenance is quantified to improve maintenance efficiency, life span, and power generation efficiency.

Description

Solar power plant operation maintenance cost estimation system and method}

The present invention relates to a system and method for estimating operation and maintenance costs of a solar power plant. More specifically, it relates to a system and method for estimating operation and maintenance costs of a solar power plant for estimating the maintenance cost (Operation and Management cost: O&M cost), which is the cost required to maintain and manage the solar power plant.

Various types of power plants for generating electricity have been built and operated, and representative examples include thermal power plants and nuclear power plants.

A thermal power plant is a method of producing electricity through a steam turbine by burning oil or coal, and a nuclear power plant is a method of producing electricity by using energy generated during nuclear fission of atoms.

However, in the case of thermal power plants, oil or coal must be burned, so such fuel must be supplied continuously. Recently, new and renewable energy power plants such as solar power plants or wind power plants have been spotlighted as alternative energy sources to replace thermal power plants generated using existing oil or coal or nuclear power plants using nuclear fission of atoms. .

However, although these photovoltaic power plants and wind power plants do not use fuel, they must be continuously maintained and managed. There is a problem with that.

In order to prevent this situation, a number of methods have been proposed to analyze the economic feasibility of various types of new and renewable energy power plants or to calculate maintenance costs.

Korea Patent Registration No. 10-1269587 provides a geographic information system-based solar power generation economic analysis system. Korea Patent Registration No. 10-1269587 includes a condition data input step of storing geographic information data and development estimation condition data by region or branch of geographic information in a database; a location area input step of inputting location information and area information, which are targets of power generation prediction; A power generation calculation step of reading condition data corresponding to location information and calculating power generation; and a data display step of displaying the calculated generation amount on a display, wherein the location area input step includes: a lot number selection step in which lot number selection information of geographic information is input; An area input step of inputting area information to install a photovoltaic device for a selected lot, wherein the area input step includes: a photovoltaic device to be installed on a map of a selected lot A polygon area input step of generating a polygon at a location (building or land) and calculating area data from the polygon size; An active object area input step of selecting a building or land object activated in a location (building or land) to install a photovoltaic device on the map of the selected lot and calculating area data of the selected building or land; and a numerical area input step of calculating area data by inputting numerical data about the area of the location (building or land) where the photovoltaic device is to be installed on the map of the selected lot number. Disclosed is a control method for a photovoltaic power generation economic analysis system, characterized in that it includes one or more area input steps.

Korean Patent Registration No. 10-1895274 provides a method and device for analyzing the diagnosis results of renewable energy facilities. In Korea Patent No. 10-1895274, a database in which technical information on renewable energy facilities is stored; A work plan generation module for generating a work plan including inspection item information corresponding to the set work range for the renewable energy facility based on the technical information; a control module for transmitting the work plan to a mobile terminal of a corresponding worker through a transmission/reception module, and storing inspection result information and repair result information for malfunction items received from the mobile terminal in the database in correspondence with the work plan; A report generating module for generating an inspection report for the renewable energy facility based on the inspection result information and the maintenance result information; An analysis module for extracting failure analysis information obtained by analyzing the failure item by analyzing the repair result information included in the plurality of inspection reports for the renewable energy facilities of the same type and issue information on the failure details; including Thus, the control module reflects and stores the diagnostic content change information and the issue information for the failure item generated based on the failure analysis information in each work plan of the renewable energy facility of the same type, and the The analysis module includes a failure mode analysis unit for generating the failure analysis information including a list of failure items, detailed causes, failure frequency, severity level, and types of countermeasures included in each of the repair result information, and the failure mode analysis unit. An issue generating unit for generating the issue information including classification of the operator's comment information and a work planner's comment for each item, wherein the issue generating unit additionally generates the issue information within the inspection report unit An automatic summary table is provided, or inspection attention is indicated by using different colors for each of the inspection items related to the failure item, or failure mode contents are summarized and provided for the inspection item judged as a failure item during diagnosis, or Any one or two or more of the extraction of set inspection items requiring additional inspection in relation to the failure item are performed, but the information on the change in diagnosis content determines whether the inspection item is essential for the failure item, inspection priority or inspection cycle. includes at least one information among changes, the inspection priority is selected based on the frequency and severity of the failure item, and the change information of the diagnosis content changed based on the inspection priority in the control module is included in the work plan A diagnosis result analysis device for renewable energy facilities is disclosed, which is reflected and transmitted to the mobile devices of all operators inspecting the renewable energy facilities of the same type through the transmission/reception module.

Republic of Korea Patent Registration No. 10-1269587

An object of the present invention is to provide a system and method for estimating the operation and maintenance cost of a solar power plant for estimating the maintenance cost (Operation and Management cost: O&M cost), which is the cost required to maintain and manage the solar power plant. have.

In order to solve the above problems,

A system and method for estimating operation and maintenance costs of a solar power plant according to an embodiment of the present invention selects a standard service for maintenance costs for each maintenance service of a solar power plant, calculates regular costs and irregular costs for each service, respectively, A service standard module that calculates a cost for each service to which a standard cost model is applied along with the standard service and models a cost division structure of a photovoltaic power plant;

Based on the cost division structure modeling calculated in the service standard module, a preventive maintenance pattern and a maintenance pattern for each cost division structure of the solar power plant are calculated, and the required cost is calculated based on the calculated information to calculate the solar power plant. Cost standard module that calculates the standard cost of maintenance for each service in

a characteristic correction module that standardizes the characteristics of the solar power plant by correcting the characteristics of the solar power plant based on environmental characteristics, installation characteristics, and sub-facility and quantity of the solar power plant; and

a cost estimation module for calculating a cost for the maintenance service of the photovoltaic power plant based on the information calculated by the standard service model, the standard cost model, and the characteristic correction module; can include

In addition, in the operation and maintenance cost estimation system of a solar power plant according to an embodiment of the present invention, the service standard module collects data on design information and maintenance conditions of the solar power plant, and the collected information a service information module for calculating maintenance information for each service based on;

a service maintenance module for calculating correction information for each cost division structure of the photovoltaic power plant based on the service maintenance information calculated by the service information module;

a station service failure module for calculating failure type information of a maintenance service according to conditions for each service of the solar power plant for each cost division structure of the solar power plant based on the service maintenance information calculated by the service information module; can include

In addition, in the cost estimation system for operation and maintenance of a solar power plant according to an embodiment of the present invention, the cost standard module divides the cost of a solar power plant based on the cost division structure modeling calculated in the service standard module. Preventive pattern analysis module for calculating preventive maintenance patterns for each structure;

a breakdown maintenance analysis module that calculates a breakdown maintenance pattern for each cost division structure of a photovoltaic power plant based on the cost division structure modeling calculated in the service standard module; and

a cost analysis module for calculating a cost required for maintenance of the photovoltaic power plant based on the prevention pattern analysis module and the failure maintenance analysis module; can include

In addition, in the system for estimating operation and maintenance costs of a solar power plant according to an embodiment of the present invention, the prevention pattern analysis module and the maintenance analysis module calculate the probability of occurrence of the prevention pattern or maintenance, respectively, and the calculated data A probability distribution is calculated based on , and the probability distribution can be analyzed.

In addition, in the operation and maintenance cost estimation system of a solar power plant according to an embodiment of the present invention, the cost analysis module may calculate material cost, labor cost, and expenses required for maintenance of the solar power plant, respectively. .

In addition, in the system for estimating operation and maintenance costs of a solar power plant according to an embodiment of the present invention, the characteristic correction module may include: an environmental characteristic module for analyzing external or internal environmental characteristics of the solar power plant; and

a facility characteristics module for analyzing the characteristics of a power generation facility including a solar panel, an inverter, and a connection board installed in the photovoltaic power plant; can include

In addition, in the method for estimating operation and maintenance costs of a solar power plant according to an embodiment of the present invention, (a) selecting one part of a cost division structure of a solar power plant through a cost estimation module;

(b) selecting one of the maintenance tasks for the selected part;

(c) selecting one failure type among failure types occurring in the photovoltaic power plant among the selected services;

(d) calculating an occurrence probability during preventive maintenance or failure maintenance of the photovoltaic power plant through a cost standard module based on the selected part, service, and failure type;

(e) calculating a correction coefficient through a characteristic correction module in consideration of the external or internal environment of the photovoltaic power plant and installation characteristics of the photovoltaic power plant;

(f) calculating material costs, labor costs, and expenses for the maintenance service of the photovoltaic power plant based on the information calculated by the cost standard module and the characteristic correction module; can include

In addition, in the method for estimating operation and maintenance costs of a solar power plant according to an embodiment of the present invention, the step (d) may include calculating a preventive maintenance occurrence probability through a preventive maintenance analysis module; and

Calculating a failure maintenance probability through a failure maintenance analysis module; including,

Analyzing the maintenance factors of the photovoltaic power plant based on the probability of occurrence of the preventive maintenance and failure maintenance, and calculating a required cost based on the analyzed data; may further include.

In addition, in the method for estimating operation and maintenance costs of a photovoltaic power plant according to an embodiment of the present invention, the step (e) includes the internal and external environment of the photovoltaic power plant, solar radiation, and power plant through an environmental characteristic module. Calculate the characteristic correction coefficient for the difficulty of work of facility contamination and maintenance service,

Based on the characteristic correction coefficient, it is possible to recalculate the material cost, labor cost, and expenses for the internal and external environment of the photovoltaic power plant, the amount of solar radiation, the pollution of the power plant facility, and the difficulty of maintenance work.

In addition, in the method for estimating operation and maintenance costs of a solar power plant according to an embodiment of the present invention, the step (e) is performed on the solar panel, inverter, and connection board of the photovoltaic power plant through a facility characteristic module. Calculate a characteristic correction factor;

Material costs, labor costs, and expenses for the photovoltaic modules, inverters, and connection boards of the photovoltaic power plant may be recalculated based on the characteristic model coefficients.

In addition, in the method for estimating operation and maintenance costs of a solar power plant according to an embodiment of the present invention, the facility characteristic module is divided into a solar panel, an inverter, and a connection panel according to the type of cost division structure of the solar power plant. And, it is possible to recalculate the required cost of the solar panel, the inverter, and the connection board, respectively.

These solutions will become more apparent from the following detailed description of the invention based on the accompanying drawings.

Prior to this, the terms or words used in this specification and claims should not be interpreted in a conventional and dictionary sense, and the inventor should properly define the concept of the term in order to explain his or her invention in the best way. It should be interpreted as a meaning and concept consistent with the technical idea of the present invention based on the principle that it can be.

According to one embodiment of the present invention, the final cost may be calculated by calculating the operation and maintenance cost and the characteristic correction coefficient in consideration of the characteristics of the installation environment of the photovoltaic power plant, and the reliability of the calculated value (or estimated value) is improved. can make it

According to an embodiment of the present invention, it is possible to easily present criteria between contract subjects by promoting an operation and maintenance contract based on an operation and maintenance cost calculation value (or estimated value) having high reliability.

According to an embodiment of the present invention, the effect of the installation environment of the photovoltaic power plant on the failure or preventive maintenance cycle is quantified to improve maintenance efficiency, life span, and power generation efficiency.

1 is a schematic diagram of a system for estimating operation and maintenance costs of a solar power plant according to an embodiment of the present invention.
2 is a block diagram showing components of a system for estimating operation and maintenance costs of a solar power plant according to an embodiment of the present invention.
3 is a flowchart illustrating a method for estimating operation and maintenance costs of a solar power plant according to an embodiment of the present invention.
4 is a flow chart showing a method of operating a cost standard module in a method for estimating operation and maintenance costs of a solar power plant according to an embodiment of the present invention.
5 is a flowchart illustrating a method of operating a characteristic correction module in a method for estimating operation and maintenance costs of a solar power plant according to an embodiment of the present invention.

Specific aspects and specific technical features of the present invention will become more apparent from the following specific details and embodiments in conjunction with the accompanying drawings. In adding reference numerals to components of each drawing in this specification, it should be noted that the same components have the same numerals as much as possible, even if they are displayed on different drawings. In addition, in describing an embodiment of the present invention, if it is determined that a detailed description of a related known configuration or function may obscure the gist of the present invention, the detailed description will be omitted.

In addition, in describing the components of the present invention, terms such as first, second, A, B, (a), and (b) may be used. These terms are only used to distinguish the component from other components, and the nature, sequence, or order of the corresponding component is not limited by the term. When an element is described as being “connected,” “coupled to,” or “connected” to another element, that element is directly connected or connectable to the other element, but there is another element between the elements. It will be understood that elements may be “connected”, “coupled” or “connected”.

Hereinafter, an embodiment of the present invention will be described in detail based on the accompanying drawings.

As shown in FIGS. 1 and 2, the system for estimating operation and maintenance costs of a solar power plant according to an embodiment of the present invention includes a service standard module 100, a cost standard module 200, and a characteristic correction module 300. and a cost estimation module 400 .

The service standard module 100 selects the standard service for the maintenance cost for each maintenance service of the photovoltaic power plant, calculates the regular cost and irregular cost for each service, and calculates the cost for each service by applying the standard cost model along with the standard service. and can perform the function of modeling the cost division structure of a solar power plant.

Here, the cost break down structure is an abbreviation of Cost Break down Structure, and is a structure of cost elements for setting standards for cost evaluation for each year and the life cycle of photovoltaic power generation facilities. In particular, it can be replaced by the operation and maintenance cost of a solar power plant, and the acquisition cost and operation and maintenance cost can be composed of each detailed cost element.

In addition, there are various external conditions that affect the maintenance service mentioned above, for example, not only environmental factors such as weather, but also the distance from maintenance personnel or equipment depending on the location of the power plant, the type or method of power plant equipment, and power plant Various factors such as the size of the maintenance service can be factors affecting the maintenance service, and these factors affecting the maintenance service can be reflected in various conditions for each service.

A variety of station-specific conditions may appear in all maintenance services. For example, even in the maintenance service of cleaning PV panels, the conditions for each task may include cases in which manpower is directly involved in cleaning, cases in which cleaning is performed using an automatic cleaning device, etc. Even in the case of cleaning, various conditions for each job may exist because there may be a difference in the type of equipment of the automatic cleaning device or the purchase cost or operating cost of the equipment. Even in the maintenance service of replacing an inverter, there may be a maintenance service of replacing some modules while using a modular inverter, or there may be a maintenance service of replacing the entire inverter.

The station standard module 100 may include a station information module 110, a station maintenance module 120, and a station failure module 130.

The service information module 110 collects data on the design information and maintenance conditions of the solar power plant, calculates maintenance information for each service based on the collected information, and additionally performs maintenance and repairs generated from the solar power plant. The standard unit price and standard maintenance cost for each service can be provided. At this time, the standard unit price and standard maintenance cost for each service are pre-stored in a database (not shown) of a server connected to a solar power plant, and information may be provided whenever requested by the service information module 110, but it is not limited thereto not.

In addition, the service information module 110 can receive operational data including maintenance conditions, operating conditions, maintenance conditions according to conditions for each service, and failure history during actual operation of the photovoltaic power plant from the above database, and provide The received data may be transmitted to the station maintenance module 120 .

The service maintenance module 120 may calculate correction information according to the service conditions of the solar power plant based on the service maintenance information calculated by the service information module 110, and in particular, the cost division structure of the solar power plant (CBS ) can calculate each correction information.

Specifically, the station maintenance module 120 may receive maintenance information for each station of the maintenance work generated from the photovoltaic power plant from a database or calculate maintenance information based on the data calculated by the service information module 110. In particular, when the environmental characteristics and power generation facility characteristics of the photovoltaic power plant are calculated in the characteristic correction module 300 to be described later, the characteristics may be calculated based on the data values calculated in the station maintenance module 120.

The station service failure module 130 is based on the service maintenance information calculated by the service information module 110, and the failure type of the maintenance service according to the condition of each station of the solar power plant for each cost division structure (CBS) of the solar power plant. information can be derived. After calculating the failure type information of the maintenance service, the above information may be transmitted to the failure pattern analysis module 220 of the cost standard module 200 to be described later.

The cost standard module 200 may include a preventive pattern analysis module 210 and a failure pattern analysis module 220 that analyze and calculate preventive maintenance patterns and failure maintenance patterns for each cost division structure (CBS) of a solar power plant. .

The prevention pattern analysis module 210 calculates a preventive maintenance pattern for each cost division structure (CBS) of a solar power plant based on the cost division structure (CBS) modeling calculated in the service standard module 100, and It is possible to analyze and collect data on the probability of preventing failure or damage in advance. Specifically, the prevention pattern analysis module 210 collects one or more prevention probabilities from the photovoltaic power plant, calculates a probability distribution for preventive maintenance of the photovoltaic power plant, and analyzes the calculated probability distribution based on the final preventive maintenance pattern. Data that can be analyzed can be collected.

The failure pattern analysis module 220 calculates a failure maintenance pattern for each cost division structure (CBS) of the photovoltaic power plant based on the cost division structure (CBS) modeling calculated by the service standard module 100, and Failure probability including failure rate or mean time between failure (MTBF) can be analyzed and data can be collected. Specifically, the failure pattern analysis module 220 collects one or more failure probabilities from the solar power plant, calculates a probability distribution for failure maintenance of the solar power plant, and analyzes the calculated probability distribution based on the final failure maintenance pattern. Data that can be analyzed can be collected.

In addition, the cost standard module 200 including the prevention pattern analysis module 210 and the failure pattern analysis module 220 includes manpower required for a photovoltaic power plant including maintenance personnel, work volume, labor rate, required parts list, quantity, and unit price. , It is possible to generate modeling for resources and parts, and the generated modeling can be provided to the cost analysis module 230 .

The cost analysis module 230 may calculate a cost required for a maintenance factor for each solar cost breakdown structure (CBS) based on the modeling provided by the cost standard module 200 . Specifically, the cost analysis module 230 may calculate costs including material costs, labor costs, and expenses required for a photovoltaic power plant, respectively, and generate modeling based on these calculations. Here, the material cost may be calculated through the material cost calculation module 231, the labor cost may be calculated through the labor cost calculation module 232, and the cost may be calculated through the cost calculation module 233. The material cost calculation module 231, the labor cost calculation module 232, and the cost calculation module 233 are included in the cost analysis module 230 and calculate values. At this time, generating the modeling of the calculated cost may generate the modeling in the cost standard module 200, but is not limited thereto.

The environmental characteristics module 310 corrects the characteristics of the solar power plant based on the internal and external environmental characteristics of the solar power plant, the installation characteristics of the solar power plant, the sub-facility and quantity of the solar power plant, and the characteristics of the solar power plant Characteristics of power generation facilities including an environmental characteristic module 310 that performs a function of standardizing, and specifically analyzes external or internal environmental characteristics of a solar power plant, and solar panels, inverters, and connectors installed in a solar power plant It may include a facility characteristic module 320 that analyzes.

As described above, the environmental characteristics module 310 is a module that analyzes environmental characteristics based on the external and internal environments of the solar power plant, and measures solar radiation, solar facility pollution, and solar repair (or maintenance) task difficulty. is included here, and may additionally include the inside and outside weather, temperature, natural disaster, and altitude of the solar power plant, but this is optional.

Here, environmental characteristics can be analyzed for solar insolation through the insolation analysis module 311, and environmental characteristics can be analyzed for solar facility pollution through the facility contamination analysis module 312, and solar maintenance (or maintenance) ) The task difficulty may analyze environmental characteristics through the task analysis module 313 and calculate a correction coefficient for this.

The facility characteristics module 320 is a module that analyzes installation characteristics based on the components of the photovoltaic power plant installed in the power generation facility of the photovoltaic power plant, and includes a photovoltaic panel, an inverter, and a connection board, and additionally, solar power The installation year of power generation facilities, aging, damage rate, and failure risk can be further included, but these are optional.

In addition, the facility characteristic module 320 can be divided for each cost division structure (CBS) of the photovoltaic power plant, when the cost division structure is a solar panel, when the cost division structure is an inverter, or when the cost division structure is a connected half day. At this time, the installation characteristics of the photovoltaic power generation facility can be analyzed and a correction factor for this can be calculated.

The cost estimation module 400 is based on the data calculated by the service standard module 100, the cost standard module 200, and the characteristic correction module 300, and the cost required to perform the maintenance service in the solar power plant, for example, the material cost. This module calculates the final estimated cost of , labor cost, and expenses.

On the other hand, as shown in FIGS. 2 to 5, the method for estimating operation and maintenance costs using the system for estimating the operation and maintenance costs of a solar power plant according to an embodiment of the present invention is the cost of a solar power plant through a cost estimation module. Selecting one part from the division structure (S100), selecting one of the maintenance services for the selected part (S200), and failure of one of the failure types occurring in the photovoltaic power plant among the selected services. The step of selecting a type (S300), the step of calculating the probability of occurrence during preventive maintenance or failure maintenance of a photovoltaic power plant through a cost standard module based on the selected part, service, and failure type (S400), The step of calculating the correction coefficient through the characteristic correction module in consideration of the external or internal environment and the installation characteristics of the solar power plant, and the maintenance service of the solar power plant based on the information calculated from the cost standard module and the characteristic correction module It may include a step (S500) of calculating material costs, labor costs, and expenses for.

First, the solar power plant selects one of the parts of the photovoltaic power generation facility from the cost division structure (CBS) through the cost estimation module 400 (S100), and selects one of the operation and maintenance services for the selected part ( S200), and one failure type can be selected from among the selected maintenance services (S300). That is, through the cost estimation module 400, parts, services, and failure types may be selected in order.

Preventive maintenance or failure maintenance through the preventive pattern analysis module 210 and the failure pattern analysis module 220 in the cost standard module 200 based on information on parts, services, and failure types selected through the cost estimation module 400 The probability of occurrence can be calculated (S400).

Specifically, the preventive pattern analysis module 210 and the failure pattern analysis module 220 calculate a preventive maintenance pattern or failure maintenance pattern for each cost division structure (CBS) of the photovoltaic power plant, and based on the calculated data, the final Preventive maintenance or breakdown maintenance patterns can be analyzed (S410, S420). In particular, the failure pattern analysis module 220 may analyze the failure probability including the failure rate or average failure interval of the photovoltaic power plant (or power generation facility) and turn it into data.

Based on the data analyzed by the prevention pattern analysis module 210 and the failure pattern analysis module 220, data can be transmitted to the cost analysis module 230, and the cost analysis module 230 repairs the photovoltaic power plant. Costs incurred in doing so may be calculated (S430).

The cost analysis module 230 may guide estimated estimated costs by calculating material costs, labor costs, and expenses incurred during maintenance at the solar power plant, and may separately guide the total costs by summing up the total costs.

The material cost, labor cost, and cost may be recalculated by correcting the material cost, labor cost, and cost through the characteristic correction module 300 by correcting the characteristics of the solar power plant from the material cost, labor cost, and expense calculated by the cost analysis module 230 . At this time, the characteristic correction coefficient is calculated in the characteristic correction module 300 and applied to the cost calculated in the cost analysis module 230 to recalculate the material cost, labor cost, and expenses. By applying the characteristic correction coefficient, it is possible to improve the accuracy and reliability of the required cost.

First, through the environmental characteristics module 310 of the photovoltaic power plant, the internal and external environment of the photovoltaic power plant, solar radiation, plant facility contamination, and the characteristic correction coefficients for the difficulty of maintenance work are calculated, respectively, and the calculated correction Based on the coefficient, the material cost, labor cost, and expense may be recalculated by applying a characteristic correction coefficient to the material cost, labor cost, and expense calculated by the cost analysis module 230 (S510 and S511).

That is, the second required cost value may be recalculated by applying the characteristic correction coefficient to which the internal and external environments of the solar power plant calculated by the environmental characteristic module 310 are applied.

In addition, through the facility characteristics module 320, the characteristic correction coefficients for the solar panel, inverter, and connection board of the photovoltaic power plant are calculated, and the material cost calculated by the cost analysis module 230 based on the calculated correction coefficients. , it is possible to recalculate the material cost, labor cost and expense by applying the characteristic correction coefficient to the labor cost and expense (S520).

At this time, the facility characteristic module 320 can be separated into solar panels, inverters, and junction panels according to the type of cost division structure (CBS) of the solar power plant, and the cost of the solar panels, inverters, and junction panels Each can be recalculated (S521).

That is, the second required cost value may be recalculated by applying the characteristic correction coefficient for the components of the solar power plant, such as a panel, an inverter, and a connection board, calculated in the facility characteristic module 320 (S522).

On the other hand, after the calculation in the cost standard module 200 and the characteristic correction module 300, the cost division structure (CBS) of the photovoltaic power plant can be selected and repeatedly calculated until all costs for each operation and maintenance are calculated. Yes (S600).

Although the present invention has been described in detail through an embodiment, this is for explaining the present invention in detail, and the operation and maintenance cost estimation system and method of a solar power plant according to the present invention are not limited thereto. In addition, terms such as "comprise", "comprise", or "have" described above mean that the corresponding component may be inherent unless otherwise stated, so excluding other components is not recommended. All terms, including technical or scientific terms, are generally understood by those skilled in the art to which the present invention belongs, unless otherwise defined. has the same meaning as being

In addition, the above description is merely an example of the technical idea of the present invention, and various modifications and variations can be made to those skilled in the art without departing from the essential characteristics of the present invention. Therefore, one embodiment disclosed in the present invention is not intended to limit the technical idea of the present invention, but to explain, and the scope of the technical idea of the present invention is not limited by this embodiment. The protection scope of the present invention should be construed according to the claims below, and all technical ideas within the equivalent range should be construed as being included in the scope of the present invention.

100 - Station standard module 110 - Station information module
120 - station maintenance module 130 - station service failure module
200 - Cost Standard Module 210 - Prevention Pattern Analysis Module
220 - Failure pattern analysis module 230 - Required cost analysis module
300 - characteristic correction module 310 - environmental characteristic module
320 - Facility Characteristics Module 400 - Cost Estimation Module

Claims (11)

Select the standard service of maintenance cost for each maintenance service of the photovoltaic power plant, calculate the regular cost and irregular cost for each service, and calculate the cost for each service by applying the standard cost model along with the above standard service. A service standard module that models a cost split structure;
Based on the cost division structure modeling calculated in the service standard module, a preventive maintenance pattern and a maintenance pattern for each cost division structure of the solar power plant are calculated, and the required cost is calculated based on the calculated information to calculate the solar power plant. Cost standard module that calculates the standard cost of maintenance for each service in
a characteristic correction module that standardizes the characteristics of the solar power plant by correcting the characteristics of the solar power plant based on environmental characteristics, installation characteristics, and sub-facility and quantity of the solar power plant; and
a cost estimation module for calculating a cost for the maintenance service of the photovoltaic power plant based on the information calculated by the standard service model, the standard cost model, and the characteristic correction module; Including, the operation maintenance cost estimation system of the photovoltaic power plant.
The method of claim 1,
The service standard module includes a service information module that collects design information and maintenance conditions of the photovoltaic power plant and calculates maintenance information for each service based on the collected information;
a service maintenance module for calculating correction information for each cost division structure of the photovoltaic power plant based on the service maintenance information calculated by the service information module;
a station service failure module for calculating failure type information of a maintenance service according to conditions for each service of the solar power plant for each cost division structure of the solar power plant based on the service maintenance information calculated by the service information module; Including, the operation maintenance cost estimation system of the photovoltaic power plant.
The method of claim 1,
The cost standard module includes a preventive pattern analysis module that calculates a preventive maintenance pattern for each cost division structure of a photovoltaic power plant based on the cost division structure modeling calculated in the service standard module;
a breakdown maintenance analysis module that calculates a breakdown maintenance pattern for each cost division structure of a photovoltaic power plant based on the cost division structure modeling calculated in the service standard module; and
a cost analysis module for calculating a cost required for maintenance of the photovoltaic power plant based on the prevention pattern analysis module and the failure maintenance analysis module; Including, the operation maintenance cost estimation system of the photovoltaic power plant.
The method of claim 3,
The prevention pattern analysis module and the maintenance analysis module calculate the probability of occurrence of the prevention pattern or maintenance, respectively, calculate a probability distribution based on the calculated data, and analyze the probability distribution to maintain operation of the solar power plant. Maintenance cost estimation system.
The method of claim 3,
Wherein the cost analysis module calculates material costs, labor costs, and expenses required for maintenance of the solar power plant, respectively.
The method of claim 1,
The characteristic correction module may include an environmental characteristic module for analyzing external or internal environmental characteristics of the photovoltaic power plant; and
a facility characteristics module for analyzing the characteristics of a power generation facility including a solar panel, an inverter, and a connection board installed in the photovoltaic power plant; Including, the operation maintenance cost estimation system of the photovoltaic power plant.
In the estimation method using the operation and maintenance cost estimation system of the solar power plant according to claim 1,
(a) selecting one part of a cost division structure of a solar power plant through a cost estimation module;
(b) selecting one of the maintenance tasks for the selected part;
(c) selecting one failure type among failure types occurring in the photovoltaic power plant among the selected services;
(d) calculating an occurrence probability during preventive maintenance or failure maintenance of the photovoltaic power plant through a cost standard module based on the selected part, service, and failure type;
(e) calculating a correction coefficient through a characteristic correction module in consideration of the external or internal environment of the photovoltaic power plant and installation characteristics of the photovoltaic power plant;
(f) calculating material costs, labor costs, and expenses for the maintenance service of the photovoltaic power plant based on the information calculated by the cost standard module and the characteristic correction module; Including, a method for estimating the operation and maintenance cost of a solar power plant.
The method of claim 7,
The step (d) may include calculating a preventive maintenance occurrence probability through a preventive maintenance analysis module; and
Calculating a failure maintenance probability through a failure maintenance analysis module; including,
Analyzing the maintenance factors of the photovoltaic power plant based on the probability of occurrence of the preventive maintenance and failure maintenance, and calculating a required cost based on the analyzed data; Further comprising a method for estimating operation and maintenance costs of solar power plants.
The method of claim 7,
In the step (e), the internal and external environment of the photovoltaic power plant, solar radiation, plant facility pollution, and the difficulty of maintenance work are calculated through the environmental characteristics module,
On the basis of the characteristic correction coefficient, the operation and maintenance of the solar power plant recalculates the material cost, labor cost and expenses for the internal and external environment of the photovoltaic power plant, solar radiation, plant facility contamination, and the difficulty of maintenance work. How to estimate maintenance costs.
The method of claim 7,
The step (e) calculates characteristic correction coefficients for the solar panel, inverter, and connection board of the solar power plant through a facility characteristic module,
A method for estimating operation and maintenance costs of a solar power plant, which recalculates material costs, labor costs, and expenses for the photovoltaic module, inverter, and connection board of the photovoltaic power plant based on the characteristic modulus.
The method of claim 10,
The facility characteristics module is a solar power plant that is divided into solar panels, inverters, and junction panels according to the type of cost division structure of the solar power plant, and recalculates the cost of the solar panels, inverters, and junction panels, respectively. How to Estimate Operational Maintenance Costs.

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