CN107729682B - Electrical system for thermal power engineering electrical plant and design method - Google Patents
Electrical system for thermal power engineering electrical plant and design method Download PDFInfo
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- CN107729682B CN107729682B CN201711079546.0A CN201711079546A CN107729682B CN 107729682 B CN107729682 B CN 107729682B CN 201711079546 A CN201711079546 A CN 201711079546A CN 107729682 B CN107729682 B CN 107729682B
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Abstract
The invention relates to an electrical system for a thermal power engineering electrical plant and a design method thereof, wherein the architecture level of the system comprises the following components from bottom to top: digital model layer: storing a digital model in the design process of the electrical system; electric component equipment layer: providing database support for electrical designs in an electrical system design layer; electrical system design layer: selecting electrical elements required by the electrical system, finishing wiring design of the electrical system according to the digital models and a database provided by the electrical element equipment layer, and generating corresponding documents; document flow management layer: document management and user rights management; third-party system interaction layer: and carrying out data interaction with a third-party system, and exporting the analyzed data to other systems. The invention can design the whole range of the power system of the electric power plant, can rapidly design the power supply and distribution network, automatically generates various data texts consistent with international standards and conventions, and improves the design efficiency by more than 50 percent compared with the traditional mode.
Description
Technical Field
The invention relates to an electrical system for a thermal power engineering electrical plant and a design method.
Background
In the traditional design process of an electrical system of a thermal power engineering electrical plant, professional designers of the plant power utilization mainly design, calculate and fund by CAD drawings and Excel software, and manually perform inter-professional data fund sharing. In the information-based era, electrical professions increasingly and urgently need a set of electrical professions digital design system, so that all objects are digitized and the contents of all processes are digitized during electrical power plant design, data sharing among professions is realized by using a database technology and a network technology, the design scheme of an electrical system is optimized by using an intelligent computing system, the construction cost of a power plant is reduced, the online generated energy is increased, faults are effectively predicted, and finally the value and stable operation of the power plant are improved.
From the perspective of the EPC (Engineering project Construction) general Engineering contract and the perspective of the power plant operation and maintenance, in order to meet the requirements of cost saving and optimization management, it is very necessary to implement asset design and operation integration and production management and control integration, which requires providing a digital model with complete information and including information associated with finished assets and Engineering information after the design stage is completed. Then, the product information submitted in the traditional mode and handed over by design is multi-source, different in format, different in quality, required to be input regularly again, inconsistent in information among professions, few in information associated context content and incomplete in information amount, and cannot meet the requirements of general contractors and power plant managers of the EPC project.
In the general contract of EPC, the equipment and component material inventory formed from the design stage is the data basis for material procurement and management, and in the traditional design process, professional designers mainly carry out data procurement sharing among professionals in a manual procurement mode, so that inconsistency of design and procurement information is easily formed. In order to realize accurate management of materials and save the total construction cost of the project, seamless connection from design to purchase needs to be realized.
Disclosure of Invention
The invention provides an electrical system for a thermal power engineering electrical plant and a design method thereof, which are used for improving the design efficiency of the electrical system of the thermal power engineering electrical plant and improving the sharing of related data in all aspects and the design accuracy.
The invention relates to an electrical system for a thermal power engineering electrical plant, which comprises the following structural layers from bottom to top:
digital model layer: storing a digital model in the design process of the electrical system;
electric component equipment layer: providing database support for electrical designs in an electrical system design layer;
electrical system design layer: selecting electrical elements required by the electrical system, finishing wiring design of the electrical system according to the digital models and a database provided by the electrical element equipment layer, and generating corresponding documents;
document flow management layer: document management and user rights management;
third-party system interaction layer: and carrying out data interaction with a third-party system, and exporting the analyzed data to other systems.
Specifically, the digital model layer comprises:
a node coding module: KKS (Power plant identification System) encoding is carried out on all data models;
a material coding module: uniquely encoding the materials involved in all data models;
a work decomposition module: grouping the project elements according to a set rule;
a static attribute module: marking the calculation result value and the specification attribute of the electric primary data model;
a wiring topology module: and setting the connection relation of the topological network for receiving and distributing the electric energy by each electric device.
Specifically, include in the electrical components equipment layer:
principle wiring template library: a stencil containing various types of loops for generating a principle wiring diagram;
an electrical equipment library: data containing equipment libraries;
electrical component library: the method comprises the calculation parameters and specification parameters of various specification elements;
electrical typical circuit library: the method comprises the logic connection sequence of the components on the loop and the specification attribute values of the components.
Specifically, the electrical system design layer comprises:
principle wiring design module: designing a principle wiring diagram through a combination principle wiring template;
the load distribution and statistics module: distributing buses of the electric loads, calculating the loads of the power distribution system, and determining electric capacity required by the system in the primary electric design and main schemes and main equipment of the primary electric power supply and distribution system through load distribution and statistical calculation;
component selection module: automatically selecting the specification and model of the component on the loop;
a cabinet combination module: performing electrical primary switch cabinet panel cabinet arrangement design and generating KKS codes of circuits and cables in the cabinet;
low-voltage configuration wiring design module: and generating a low-voltage configuration wiring diagram of the power of the electric power plant, generating a material list and generating an equipment list.
Specifically, the document flow management layer includes:
the document management module: data version management, document structure management and document classification management during data interaction are carried out on drawings and calculation books generated by an electric system design layer and a third-party system interaction layer;
the document flow management module: setting corresponding operation authority according to roles of users in different projects and different processes;
the digital verification module: before the flow starts, it is checked whether the delivered data meets the commit requirements.
Specifically, the third-party system interaction layer comprises:
a data model importing module: reading data of other systems and generating a digital model according to the data;
a data model derivation module: converting the data of the system into a data format which can be analyzed by a third-party system and exporting the data;
the two/three-dimensional model association function module: matching and associating a data object and a three-dimensional arrangement model object designed by the electrical system, and realizing mutual navigation and information viewing of a two-dimensional model and a three-dimensional model object;
the material code export module: an interface to a material procurement and management system;
a digital handover data module: and releasing the integrated and converted electricity utilization data of the electric power plant to a remote server site.
On the basis, in the two/three-dimensional model related function module, the data object of the electrical system design comprises: parameter information of power supply and distribution networks, equipment, components and cables of the electrical power plant design; the three-dimensionally arranged model object includes: arrangement information, equipment overall dimensions, cabinet dimensions, and factory floor arrangement information.
On this basis, in the digital handover data module, the electricity utilization data of the electrical plant comprises:
electric intelligent drawing: each data model in the system and the generated drawing with attributes;
electrical non-intelligent drawings and documents: individual document data without attributes;
streaming media into which the electrical 3D model is converted: and integrating the electrical arrangement information to generate a file in a streaming media format.
The invention also provides a design method for the electrical system, which comprises the following steps:
the method comprises the following steps: storing a digital model in the design process of the electrical system through a digital model layer; providing database support for electrical design in an electrical system design layer through an electrical component equipment layer;
step two: the principle wiring design is carried out through an electrical system design layer, templates of various types of loops in an electrical component equipment layer are combined, a power supply and distribution main network framework is established, a data model of an electrical power plant main equipment, a PC section (power center) and an MCC section (motor control center) is generated, and a principle wiring diagram is generated;
step three: importing the electric load data provided by other systems through a third-party system interaction layer to form an electric load data model; then the design layer of the electric system carries out the design of load distribution to the sections, carries out the load calculation in real time and optimizes and adjusts the load distribution scheme; after the load distribution to the section design is finished, generating a bus section load calculation book, and selecting corresponding main equipment;
step four: the method comprises the following steps of designing an in-segment loop and component type selection through an electrical system design layer, selecting a typical loop template of an electrical component equipment layer for the in-segment loop distributed with a load, and determining the component type on the in-segment loop according to in-segment parameters and a component decision table;
step five: the method comprises the following steps of designing the cabinet layout of a switch cabinet through an electrical system design layer, determining the type and size of the switch cabinet through the layout of a switch cabinet drawer connected with a load loop, and generating a switch cabinet layout diagram;
step six: designing low-voltage configuration wiring of electric power plant through an electric system design layer, and generating a low-voltage switch cabinet configuration wiring diagram and a switch cabinet terminal wiring diagram of the electric power plant according to a topological model of an electric power plant power supply and distribution system and a digital model of components with parameters and specification attributes; generating a corresponding material code and a device and material list with the material code according to the device and element specifications;
step seven: and integrating the digital models of other systems through a third-party system interaction layer, associating the two/three-dimensional models of the power station, and issuing a digital transfer product.
The electric system and the design method for the thermal power engineering electric plant can design the whole range of the electric system of the electric plant, can quickly design a power supply and distribution network, automatically generate various data texts consistent with international standards and conventions, and improve the design efficiency by more than 50% compared with the traditional mode.
The present invention will be described in further detail with reference to the following examples. This should not be understood as limiting the scope of the above-described subject matter of the present invention to the following examples. Various substitutions and alterations according to the general knowledge and conventional practice in the art are intended to be included within the scope of the present invention without departing from the technical spirit of the present invention as described above.
Drawings
Fig. 1 is a block diagram of an electrical system for an electrical power plant of thermal power engineering according to the present invention.
Fig. 2 is a design method for fig. 1.
Detailed Description
As shown in fig. 1, the electrical system for an electrical power plant in thermal power engineering according to the present invention includes, from bottom to top:
digital model layer: storing a digitized model of an electrical system design process, comprising:
(1) a node coding module: KKS (plant identification System) encoding is performed on all data models. The KKS codes are unique identifiers of electrical design objects, all data models (such as switch cabinets, circuit breakers, cables and the like) have the own KKS codes, and the coding depth is required to reach an element level.
(2) A material coding module: all materials involved in the data model are uniquely encoded. A material code is a code that identifies the uniqueness of a material, usually represented by a string or number, with each code representing a material. In the once electrical design system, all data models have material coding attributes after being generated, and the codes run through all links such as production, purchase, construction and maintenance and are applied to all links of EPC engineering management.
(3) A work decomposition module: according to the set rules, the project elements are grouped, the project is decomposed into small tasks of one project, and the work is defined from the dimensions of project execution, time and the like.
(4) A static attribute module: and marking the calculation result value and the specification attribute of the electric primary data model, wherein the calculation result value and the specification attribute of the electric primary data model are included, such as attributes of 'voltage grade', 'working current', 'calculating power', 'calculating load' and 'bus specification' of the bus section object.
(5) A wiring topology module: and setting the connection relation of the topological network for receiving and distributing the electric energy by each electric device. The topological network connection relation of receiving and distributing electric energy by various electric equipment generated in the design of the electricity, such as the corresponding relation of a power supply bus to an electric load below the power supply bus and a loop of the power supply bus, corresponds and is associated with an electric data model object in the network, and the whole power supply and distribution relation network of the power supply design of the electricity plant from a transformer-PC bus section-MCC section-electric load is presented.
Electric component equipment layer: providing database support for electrical design in the electrical system design layer, comprising:
(1) principle wiring template library: the wiring template comprises a power supply incoming line loop, a PC incoming line typical loop, a PT loop, a section loop, a connection loop, an MCC power supply incoming line loop, a MCC power supply feeder line loop, an accident safety loop and other typical loops. The typical wiring templates not only contain the connection relation of power supply and distribution, but also contain the attributes of loop components (isolating switches, contactors, current transformers and the like) and graphic display icons, and the templates are spliced to be used for principle wiring design, so that a power supply and distribution relation network can be quickly generated, and a principle wiring diagram can be automatically generated.
(2) An electrical equipment library: the system comprises data of all equipment libraries including an electric generator library, a high-low voltage transformer library, a switch cabinet library, a compensation device, a reactor element library, a power distribution device library, a relay protection device library, a local equipment library and the like. The various equipment libraries have equipment type selection parameters, and when the equipment type selection parameters are quoted in the design, the parameters of the equipment can be automatically obtained from the libraries.
(3) Electrical component library: the system comprises a cable warehouse, an explosion-proof equipment warehouse, a lightning protection warehouse, a component warehouse and a conductor warehouse. The element library mainly records the calculation parameters and specification parameters of various specification elements. Taking a cable library as an example, the cable library comprises parameters such as cable material, function, cable insulation level, cable carrying capacity, cable core number and parameter values of core section area, and the like.
(4) Electrical typical circuit library: the method comprises the logic connection sequence of the components on the loop and the specification attribute values of the components. The typical loop is divided into two categories, one is a typical loop for connecting a low-voltage bus; one type is a typical circuit for connecting low-voltage switchgears. The typical loop includes both the logical connection order of the components on the loop and the specification attribute values of the components. When the type of the electric component is selected and designed, the specification of the component (such as a low-voltage circuit breaker, a current transformer and a motor protection component) in the loop can be defined at the same time of selecting the loop type.
Electrical system design layer: and selecting the electric elements required by the electric system, finishing the wiring design of the electric system according to the digital models and the database provided by the electric element equipment layer, and generating corresponding documents. The method comprises the following steps:
(1) principle wiring design module: a principle wiring diagram is designed through a combination principle wiring template, and a power supply and distribution relation among equipment such as a bus, a transformer and the like is established according to a power distribution network which is connected into a whole in a database.
(2) The load distribution and statistics module: distributing buses of the electric loads, calculating the loads of the power distribution system, and determining the electric capacity required by the system in the primary electric design and the main scheme and main equipment (such as a transformer) of the primary electric power supply and distribution system through load distribution and statistical calculation;
(3) component selection module: and automatically selecting the specification and model of the component on the loop according to the parameters such as loop power and the like and the model selection table.
(4) A cabinet combination module: and the panel cabinet layout design of the switch cabinet for electrical one time is performed on visual interface display, and KKS codes of a loop and a cable in the cabinet are generated. Each load circuit requires a switchgear drawer of different dimensions depending on its power level. The arrangement design of the switch cabinet is that all drawers connected with loads are placed according to the electrical rule, and the cabinet combination diagram is a cabinet arrangement diagram.
(5) Low-voltage configuration wiring design module: according to the design model formed by the modules (1) to (4) in the layer, a low-voltage configuration wiring diagram of the electric service power is automatically generated, a material list is generated, and an equipment list is generated.
Document flow management layer: document management and user rights management, including:
(1) the document management module: and data version management, document structure management and document classification management during data interaction are performed on drawings and calculation books generated by an electrical system design layer and a third-party system interaction layer. For example, Documents generated during design are placed in the volume document structure, and Documents generated by interaction with a third party are placed in the engineering External Documents structure.
(2) The document flow management module: and setting corresponding operation authorities according to roles of users in different projects and different processes, wherein the corresponding operation authorities comprise project management, personnel role management, authority management, process management and the like.
(3) The digital verification module: before the process is started, whether the delivered data meets the submission requirements is checked, for example, whether the bit number is true, whether repeated coding exists, whether the two/three-dimensional object association is true, whether the necessary parameter types (date type, integer type, column type, and the like) are correct, whether the attribute values are complete, whether the design rule is satisfied, and the like.
Third-party system interaction layer: and performing data interaction with a third-party system, and exporting the analyzed data to other systems, wherein the data interaction comprises the following steps:
(1) a data model importing module: data from other systems is read and a digitized model is generated from the data. For example, the electrical design system can automatically read the EXCEL electrical load list formed in the process system design, form an electrical load digital model, and read the load parameters in the list into the attribute of the electrical load object, so as to provide preconditions for the primary electrical design.
(2) A data model derivation module: and converting the data of the system into a data format which can be resolved by a third-party system and exporting the data. For example, the electrical principle wiring diagram and the low-voltage service cabinet configuration wiring diagram objects can be converted into CAD drawings conforming to ISO15926 specifications; the inventory objects such as a load calculation book, a cable inventory and the like in the system can be output as Excel files; the drawing and the album document object can be output as a PDF file; the electrical design data model object and the network power supply and distribution incidence relation can be converted into a common XML tree format conforming to W3C XML SCHEMA, and each data object represents the attribute of the data model and the attribute item (KEY) under the NODE (NODE) corresponding to the network incidence relation in the NODE (NODE) in the XML tree. And determining the three-dimensional outline dimension of the object by referring to the two three-dimensional equipment libraries/element libraries and determining the three-dimensional model element library field of the data after the electrical data system is selected. Based on the international common formats, the formats can be correspondingly converted into formats which can be analyzed by PDMS software, ETAP calculation software, a material management system, a plant maintenance system and a plant asset management system.
(3) The two/three-dimensional model association function module: and matching and associating the data object and the three-dimensional layout model object designed by the electrical system, so as to realize mutual navigation and information viewing of the two-dimensional model and the three-dimensional model object. The data object of the electrical system design mainly comprises a power supply and distribution network of the electrical power plant design and also comprises specification parameter information of objects such as equipment, components, cables and the like. The three-dimensional layout model object mainly contains layout information such as a bridge model, the external dimensions of equipment, the dimensions of cabinets and layout information of a factory floor.
(4) The material code export module: interface to a material procurement and management system. In the design of an electrical power plant system, the models of a large number of devices (transformers, generators, etc.) and small classes of components (cables, circuit breakers, etc.) are determined, thereby forming a material code. These objects containing material codes create a material and equipment inventory that can be imported into a material procurement and management system in batches to facilitate procurement. In the construction stage, the design specification parameters of the material can be read by scanning the two-dimensional code on the material bag, and the material taking and warehouse management are facilitated.
(5) A digital handover data module: and the integrated and converted electricity utilization data of the electric power plant are issued to a remote server site, so that the electricity utilization data are convenient to look up. The electricity utilization data of the electrical plant comprises:
electric intelligent drawing: each data model in the system and the generated drawing with attributes;
electrical non-intelligent drawings and documents: document data without attributes such as manufacturer documents, pictures and the like;
streaming media into which the electrical 3D model is converted: and integrating the electrical arrangement information to generate a file in a streaming media format.
As shown in fig. 2, the method for designing an electrical system includes:
the method comprises the following steps: storing a digital model in the design process of the electrical system through a digital model layer; providing database support for electrical design in an electrical system design layer through an electrical component equipment layer;
step two: the principle wiring design is carried out through an electrical system design layer, templates of various types of loops in an electrical component equipment layer are combined, a power supply and distribution main network framework is established, a data model of an electrical power plant main equipment, a PC section (power center) and an MCC section (motor control center) is generated, and a principle wiring diagram is generated;
step three: importing the electric load data provided by other systems through a third-party system interaction layer to form an electric load data model; then the design layer of the electric system carries out the design of load distribution to the sections, carries out the load calculation in real time and optimizes and adjusts the load distribution scheme; after the load distribution to the section design is finished, generating a bus section load calculation book, and selecting corresponding main equipment;
step four: the method comprises the following steps of designing an in-segment loop and component type selection through an electrical system design layer, selecting a typical loop template of an electrical component equipment layer for the in-segment loop distributed with a load, and determining the component type on the in-segment loop according to in-segment parameters and a component decision table;
step five: the method comprises the following steps of designing the cabinet layout of a switch cabinet through an electrical system design layer, determining the type and size of the switch cabinet through the layout of a switch cabinet drawer connected with a load loop, and generating a switch cabinet layout diagram;
step six: designing low-voltage configuration wiring of electric power plant through an electric system design layer, and generating a low-voltage switch cabinet configuration wiring diagram and a switch cabinet terminal wiring diagram of the electric power plant according to a topological model of an electric power plant power supply and distribution system and a digital model of components with parameters and specification attributes; generating a corresponding material code and a device and material list with the material code according to the device and element specifications;
step seven: and integrating the digital models of other systems through a third-party system interaction layer, associating the two/three-dimensional models of the power station, and issuing a digital transfer product.
The finally released digital handover product can be used in the following scenarios:
the archive level: the electric power plant electricity digital electric system integrates two/three-dimensional design information and can be used for a project review stage in engineering design, and a review owner can check the design progress through a network and provide modification suggestions for a design scheme by checking a two-dimensional data model. When the design is delivered to the factory, complete factory asset information is formed for aggressive training (such as SOP training, HSE training).
And (3) browsing level: the engineering design database can be accessed through terminal equipment such as an IPAD (internet protocol digital ad) or a mobile phone and VR (virtual reality head-mounted display) glasses, associated data can be conveniently navigated and checked, operations such as searching, highlight display, audit and annotation can be rapidly performed, and the method is particularly suitable for being used for upgrading construction debugging stages and field design drawings.
Integration level: the Distributed Control System (DCS) is accessed, real-time data of the DCS is displayed, and when the digital handover model is browsed, the design parameters can be read, the electric power supply and distribution network and the three-dimensional distribution model can be checked, operation and maintenance data can be checked in real time, and operation and maintenance of a power plant are facilitated.
Engineering application level: the electric power plant electricity digital transfer product model contains data of each stage from design to construction to operation and maintenance, and can also be used for data reference and reference when the plant is upgraded and modified.
Claims (9)
1. Electrical system for an electrical power plant of thermal power engineering, characterized in that: the architecture hierarchy of the system comprises from bottom to top:
digital model layer: storing a digital model in the design process of the electrical system;
electric component equipment layer: providing database support for electrical designs in an electrical system design layer;
electrical system design layer: combining templates of various loops in an electrical component equipment layer, establishing a power supply and distribution main network framework, generating data models of electrical service main equipment, a PC section and an MCC section, and generating a principle wiring diagram; designing load distribution to sections according to the electric load data model, carrying out load calculation in real time, and optimizing and adjusting a load distribution scheme; after the load distribution to the section design is finished, generating a bus section load calculation book, and selecting corresponding main equipment; the method comprises the following steps of designing in-segment loops and component types, selecting typical loop templates of an electrical component equipment layer for the in-segment loops distributed with loads, and determining the types of components on the in-segment loops according to in-segment parameters and a component decision table; designing the cabinet layout of a switch cabinet, determining the model and the size of the switch cabinet by arranging a switch cabinet drawer connected with a load loop, and generating a switch cabinet layout; designing low-voltage configuration wiring of the electric power plant, and generating a low-voltage switch cabinet configuration wiring diagram and a switch cabinet terminal wiring diagram of the electric power plant according to a topological model of a power supply and distribution system of the electric power plant and a digital model of components with parameters and specification attributes; generating a corresponding material code and a device and material list with the material code according to the device and element specifications;
document flow management layer: document management and user rights management;
third-party system interaction layer: and carrying out data interaction with a third-party system, and exporting the analyzed data to other systems.
2. An electrical system for an electrical power plant of thermal engineering as claimed in claim 1, characterized in that: the digital model layer comprises:
a node coding module: KKS coding is carried out on all data models;
a material coding module: uniquely encoding the materials involved in all data models;
a work decomposition module: grouping the project elements according to a set rule;
a static attribute module: marking the calculation result value and the specification attribute of the electric primary data model;
a wiring topology module: and setting the connection relation of the topological network for receiving and distributing the electric energy by each electric device.
3. An electrical system for an electrical power plant of thermal engineering as claimed in claim 1, characterized in that: the electric component device layer includes:
principle wiring template library: a stencil containing various types of loops for generating a principle wiring diagram;
an electrical equipment library: data containing equipment libraries;
electrical component library: the method comprises the calculation parameters and specification parameters of various specification elements;
electrical typical circuit library: the method comprises the logic connection sequence of the components on the loop and the specification attribute values of the components.
4. An electrical system for an electrical power plant of thermal engineering as claimed in claim 1, characterized in that: in the electrical system design layer, the following are included:
principle wiring design module: designing a principle wiring diagram through a combination principle wiring template;
the load distribution and statistics module: distributing buses of the electric loads, calculating the loads of the power distribution system, and determining electric capacity required by the system in the primary electric design and main schemes and main equipment of the primary electric power supply and distribution system through load distribution and statistical calculation;
component selection module: automatically selecting the specification and model of the component on the loop;
a cabinet combination module: performing electrical primary switch cabinet panel cabinet arrangement design and generating KKS codes of circuits and cables in the cabinet;
low-voltage configuration wiring design module: and generating a low-voltage configuration wiring diagram of the power of the electric power plant, generating a material list and generating an equipment list.
5. An electrical system for an electrical power plant of thermal engineering as claimed in claim 1, characterized in that: the document flow management layer comprises:
the document management module: data version management, document structure management and document classification management during data interaction are carried out on drawings and calculation books generated by an electric system design layer and a third-party system interaction layer;
the document flow management module: setting corresponding operation authority according to roles of users in different projects and different processes;
the digital verification module: before the flow starts, it is checked whether the delivered data meets the commit requirements.
6. An electrical system for an electrical power plant of thermal engineering as claimed in claim 1, characterized in that: in the third-party system interaction layer, the method comprises the following steps:
a data model importing module: reading data of other systems and generating a digital model according to the data;
a data model derivation module: converting the data of the system into a data format which can be analyzed by a third-party system and exporting the data;
the two/three-dimensional model association function module: matching and associating a data object and a three-dimensional arrangement model object designed by the electrical system, and realizing mutual navigation and information viewing of a two-dimensional model and a three-dimensional model object;
the material code export module: an interface to a material procurement and management system;
a digital handover data module: and releasing the integrated and converted electricity utilization data of the electric power plant to a remote server site.
7. An electrical system for an electrical power plant of thermal engineering as claimed in claim 6, characterized in that: in the two/three-dimensional model correlation function module, the data object of the electrical system design comprises: parameter information of power supply and distribution networks, equipment, components and cables of the electrical power plant design; the three-dimensionally arranged model object includes: arrangement information, equipment overall dimensions, cabinet dimensions, and factory floor arrangement information.
8. An electrical system for an electrical power plant of thermal engineering as claimed in claim 6, characterized in that: in the digital handover data module, the electricity consumption data of the electrical plant includes:
electric intelligent drawing: each data model in the system and the generated drawing with attributes;
electrical non-intelligent drawings and documents: individual document data without attributes;
streaming media into which the electrical 3D model is converted: and integrating the electrical arrangement information to generate a file in a streaming media format.
9. A design method for an electrical system according to any one of claims 1 to 8, characterized in that it comprises:
the method comprises the following steps: storing a digital model in the design process of the electrical system through a digital model layer; providing database support for electrical design in an electrical system design layer through an electrical component equipment layer;
step two: the method comprises the steps of designing principle wiring through an electrical system design layer, combining templates of various loops in an electrical component equipment layer, establishing a power supply and distribution main network framework, generating data models of main equipment for power plant, a PC section and an MCC section, and generating a principle wiring diagram;
step three: importing the electric load data provided by other systems through a third-party system interaction layer to form an electric load data model; then the design layer of the electric system carries out the design of load distribution to the sections, carries out the load calculation in real time and optimizes and adjusts the load distribution scheme; after the load distribution to the section design is finished, generating a bus section load calculation book, and selecting corresponding main equipment;
step four: the method comprises the following steps of designing an in-segment loop and component type selection through an electrical system design layer, selecting a typical loop template of an electrical component equipment layer for the in-segment loop distributed with a load, and determining the component type on the in-segment loop according to in-segment parameters and a component decision table;
step five: the method comprises the following steps of designing the cabinet layout of a switch cabinet through an electrical system design layer, determining the type and size of the switch cabinet through the layout of a switch cabinet drawer connected with a load loop, and generating a switch cabinet layout diagram;
step six: designing low-voltage configuration wiring of electric power plant through an electric system design layer, and generating a low-voltage switch cabinet configuration wiring diagram and a switch cabinet terminal wiring diagram of the electric power plant according to a topological model of an electric power plant power supply and distribution system and a digital model of components with parameters and specification attributes; generating a corresponding material code and a device and material list with the material code according to the device and element specifications;
step seven: and integrating the digital models of other systems through a third-party system interaction layer, associating the two/three-dimensional models of the power station, and issuing a digital transfer product.
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