CN107657135B - Replacement method and system for stator in generator of nuclear power station - Google Patents
Replacement method and system for stator in generator of nuclear power station Download PDFInfo
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- CN107657135B CN107657135B CN201711048254.0A CN201711048254A CN107657135B CN 107657135 B CN107657135 B CN 107657135B CN 201711048254 A CN201711048254 A CN 201711048254A CN 107657135 B CN107657135 B CN 107657135B
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Abstract
The invention discloses a method for replacing a stator in a generator of a nuclear power station, which comprises the following steps: decomposing a replacement process flow of an inner stator of a generator of the nuclear power station into a process sequence; building a three-dimensional model and a virtual scene of the stator in the generator; simulating a replacement process flow of the stator in the generator by utilizing the three-dimensional model in the virtual scene based on the process sequence; and previewing the simulated replacement process flow, and taking a previewing scheme as a replacement scheme of the stator in the generator after the previewing is passed. The invention also discloses a system for replacing the stator in the generator of the nuclear power station. The invention can improve the efficiency and the accuracy of the replacement of the stator in the generator of the nuclear power station.
Description
Technical Field
The invention relates to the technical field of nuclear power, in particular to a method and a system for replacing a stator in a generator of a nuclear power station.
Background
Replacement of the stator in the generator of the nuclear power plant is a very heavy and complicated project, and requires professional staff to operate strictly according to the procedures. At present, the training work of replacing the stator in the generator of the nuclear power station is mainly carried out according to a paper training flow, and during replacement, an operator also relies on the formulated paper flow specification and refers to a relevant drawing and the experience of the operator.
However, the above-described stator replacement process in the generator has the following problems: the memory efficiency is low, the inner stator replacement process flow is very delicate and complicated, each stage is divided into a plurality of small steps, each small step corresponds to a series of disassembling tools, the use of equipment parts, attention and other information, and the complicated and boring information is inevitably difficult to be memorized by operators if all the complicated and boring information is memorized through a paper flow chart; unpredictability, there are many equipment component improvement items for the new inner stator of the replacement generator, and the increase of these improvement items brings certain risks of collision, interface position matching and the like to the implementation of the replacement, and may even cause significant loss.
Disclosure of Invention
The invention provides a method and a system for replacing a nuclear power station generator inner stator, aiming at the problems in the prior art, and the method and the system can improve the efficiency and the accuracy of replacing the nuclear power station generator inner stator.
The technical scheme provided by the invention for the technical problem is as follows:
in one aspect, the invention provides a method for replacing a stator in a generator of a nuclear power station, which comprises the following steps:
decomposing a replacement process flow of an inner stator of a generator of the nuclear power station into a process sequence;
building a three-dimensional model and a virtual scene of the stator in the generator;
simulating a replacement process flow of the stator in the generator by utilizing the three-dimensional model in the virtual scene based on the process sequence;
and previewing the simulated replacement process flow, and taking a previewing scheme as a replacement scheme of the stator in the generator after the previewing is passed.
Further, the building of the three-dimensional model and the virtual scene of the stator in the generator specifically includes:
and according to parameters in technical drawings of key plants, systems, equipment and parts of the nuclear power station, building a three-dimensional model and a virtual scene of the stator in the generator, and optimizing the built model.
Further, the previewing of the simulated replacement operation specifically includes:
and (3) previewing the simulated replacement process flow by adopting an automatic circulation previewing mode or a manual jumping previewing mode, and displaying the previewing process to an operator in real time.
Further, after the rehearsal passes, taking a rehearsal scheme as a replacement scheme of the stator in the generator specifically includes:
detecting whether collision risk or error operation occurs in the preview process;
and if the collision risk and the error operation do not occur after the whole preview is finished, displaying a preview scheme as a replacement scheme of the stator in the generator to an operator.
Further, the replacement method of the stator in the generator of the nuclear power plant further comprises the following steps:
providing collision wind if collision risk or error operation occurs in the preview process
Improved decisions corresponding to dangerous or erroneous operations;
and adjusting the simulation of the replacement process flow of the stator in the generator according to the improved decision until no collision risk or error operation exists in the preview process.
In another aspect, the present invention provides a replacement system for an internal stator of a generator of a nuclear power plant, which can implement the replacement method for an internal stator of a generator of a nuclear power plant, and the system includes:
the decomposition module is used for decomposing the replacement process flow of the stator in the generator of the nuclear power station into a process sequence;
the building module is used for building a three-dimensional model and a virtual scene of the stator in the generator;
the simulation module is used for simulating a replacement process flow of the stator in the generator by utilizing the three-dimensional model in the virtual scene based on the process sequence; and the number of the first and second groups,
and the previewing module is used for previewing the simulated replacement process flow and taking a previewing scheme as a replacement scheme of the stator in the generator after the previewing is passed.
Further, the building module is specifically configured to:
and according to parameters in technical drawings of key plants, systems, equipment and parts of the nuclear power station, building a three-dimensional model and a virtual scene of the stator in the generator, and optimizing the built model.
Further, the rehearsal module is specifically configured to:
and (3) previewing the simulated replacement process flow by adopting an automatic circulation previewing mode or a manual jumping previewing mode, and displaying the previewing process to an operator in real time.
Further, the rehearsal module specifically includes:
the detection unit is used for detecting whether collision risks or error operation occurs in the preview process; and the number of the first and second groups,
and the replacing unit is used for showing the preview scheme as the replacing scheme of the stator in the generator to an operator when the collision risk and the error operation do not occur after the whole preview is finished.
Further, the replacement system of the stator in the generator of the nuclear power plant further comprises:
the decision providing module is used for providing an improved decision corresponding to the collision risk or the error operation when the collision risk or the error operation occurs in the preview process; and the number of the first and second groups,
and the adjusting module is used for adjusting the simulation of the replacement process flow of the stator in the generator according to the improved decision until no collision risk or error operation exists in the preview process.
The technical scheme provided by the embodiment of the invention has the following beneficial effects:
the method is based on the replacement process flow of the internal stator of the generator of the nuclear power station, a three-dimensional model and a virtual scene of the internal stator of the generator are constructed by utilizing a three-dimensional virtual reality technology, interactive simulation operation is carried out on the internal stator component of the generator, the simulation operation is previewed, the replacement process flow of the internal stator of the generator is visually displayed, the working efficiency and the accuracy of replacing the internal stator of the generator by operators are improved, and meanwhile, operation guidance and risk assessment are provided for personnel training and field work.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic flow chart of a method for replacing a stator in a generator of a nuclear power plant according to an embodiment of the present invention;
fig. 2 is a schematic preview diagram of a method for replacing a stator in a generator of a nuclear power plant according to an embodiment of the present invention;
fig. 3 is a schematic specific flowchart of a method for replacing a stator in a generator of a nuclear power plant according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a stator replacement system in a generator of a nuclear power plant according to a second embodiment of the present invention;
fig. 5 is a logic architecture diagram of a stator replacement system in a generator of a nuclear power plant according to a second embodiment of the present invention;
fig. 6 is a schematic diagram of human-computer interaction of a replacement system for a stator in a generator of a nuclear power plant according to a second embodiment of the present invention.
Detailed Description
In order to solve the technical problems of difficult memory, no intuition, risk and the like in the replacement process of the internal stator of the generator of the nuclear power plant in the prior art, the invention aims to provide a replacement method of the internal stator of the generator of the nuclear power plant, which has the core thought that: the method comprises the steps of establishing a three-dimensional model and a virtual scene of the stator in the generator by utilizing a three-dimensional virtual reality technology, simulating the replacement process flow of the stator in the generator on the basis of the replacement process flow of the stator in the generator of the nuclear power station, previewing the simulated replacement process flow, displaying the simulated replacement process flow to an operator after the previewing is passed, and effectively improving the efficiency and the accuracy of the operator in replacing the stator in the generator.
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
Example one
The embodiment of the invention provides a method for replacing a stator in a generator of a nuclear power station, and with reference to a figure 1, the method comprises the following steps:
s1, decomposing the replacement process flow of the stator in the generator of the nuclear power station into a process sequence;
s2, building a three-dimensional model and a virtual scene of the stator in the generator;
s3, simulating a replacement process flow of the stator in the generator by using the three-dimensional model in the virtual scene based on the process sequence;
and S4, previewing the simulated replacement process flow, and taking a previewing scheme as a replacement scheme of the stator in the generator after the previewing is passed.
Step S1 is the decomposition of the stator replacement process flow in the generator, which is mainly the data preparation in the process flow, and collects and arranges the relevant process flow scripts (rules) for stator replacement in the generator, and decomposes them according to a certain simulated granularity. In order to be able to better represent the visual simulation means of virtual reality, it is necessary to decompose the originally relatively macroscopic and coherent process operation steps into a more detailed and precise sequence. For example, if it is necessary to dynamically display the dismounting action of a certain screw, but the action is not described in detail in the process flow, then the general description needs to be subdivided into process sequences. This process is also a process of understanding the process script to prepare for blending with the simulation process.
In step S2, the building of the three-dimensional model and the virtual scene of the stator in the generator specifically includes:
and according to parameters in technical drawings of key plants, systems, equipment and parts of the nuclear power station, building a three-dimensional model and a virtual scene of the stator in the generator, and optimizing the built model.
It should be noted that the whole replacement process flow of the stator in the generator needs to be completed in a virtual scene, so modeling needs to be performed on all related items, the modeling input is based on the technical drawings of key plants, systems, equipment and parts of the nuclear power plant, the drawings have strict machine tool dimensions, internal and external structures, appearances and the like, and a 1:1 three-dimensional virtual model can be established according to the drawing.
The three-dimensional modeling of the nuclear power plant relates to a plurality of levels of models, and a plurality of different modeling technologies and tools are required. If a factory building and a system need to adopt a professional PDMS three-dimensional layout design platform modeling system in the nuclear power field, a device mechanical model adopts ProE design modeling, and public facilities such as the periphery of the factory building adopt 3D Max or Maya industry general design tools. After the modeling work is finished, because the model has a lot of complex polygonal geometric information and is not suitable for directly entering a simulation engine (considering the problem of performance consumption), the model needs to be optimized, namely, geometric one-sided information is reduced, and meanwhile, a material chartlet is given, so that the model looks like real equipment and items on site, which is very important for improving the immersion feeling and the experience reality of a virtual reality system.
In step S3, the virtual simulation development technology is used to describe the process flow of stator replacement in the generator visually, dynamically, immersive and interactively, that is, the paper process flow is simulated accurately and rigorously as a visual item in the virtual reality mode. Meanwhile, the parameter information of each device and each part in the process is displayed in real time by being associated with the information database of the item, and data reference is provided for the preview, risk assessment and decision of the replacement process. For example, when the extraction operation of the old inner stator is simulated in a simulation scene, the dynamic information such as the parameter attributes of the position, angle, weight and the like of the component, whether the component interferes and collides with other peripheral items or not is displayed in real time. The related data information is stored in a system database and provides read-write operations such as adding, deleting, modifying, checking and the like.
In step S4, the previewing of the simulated replacement operation specifically includes:
and (3) previewing the simulated replacement process flow by adopting an automatic circulation previewing mode or a manual jumping previewing mode, and displaying the previewing process to an operator in real time.
It should be noted that, the present embodiment provides a simulated preview function for the field operator in the virtual scene, so that before the actual operation, the operation risk possibly existing in the whole replacement process can be fully known, such as missing of action, improper operation of the device, interference and collision of parts, insufficient operation space, and the like. The preview process is implemented strictly according to the process flow by default, and simultaneously, the functions of skipping, repeating, self-defining adjustment and the like of steps in the process flow are provided, so that a flexible preview scheme is provided for operators, and the preview process has default automatic demonstration and self-defining manual interactive operation. Meanwhile, the visualization of the process flow progress is provided, and the position of the current operation step in the process logic is told to the operator in real time, so that the number of steps is already finished and the number of steps is remained.
For example, fig. 2 is a preview schematic diagram of the step of "positioning the rotor support base" in the inner stator replacing operation, wherein a steam turbine plant 1, a steam turbine 2, an inner stator 3, a rotor 4, a rotor support base 5 and a hanger 6 are simulated, and the operation of "positioning the rotor support base" is intuitively demonstrated. In addition, a control panel 7 is also arranged for the operation of the operator to switch other steps for previewing.
Further, in step S4, the taking a preview scheme as a replacement scheme of the generator inner stator after the preview is passed specifically includes:
detecting whether collision risk or error operation occurs in the preview process;
and if the collision risk and the error operation do not occur after the whole preview is finished, displaying a preview scheme as a replacement scheme of the stator in the generator to an operator for the operator to refer to for replacement.
It should be noted that, in the preview process, the real-time situation of all the moving items is tracked, and whether the action path of the analysis device and the step of disassembling and assembling parts meet the flow requirements or not and whether there is a collision risk or not are analyzed. If no risk or error operation occurs after the whole procedure is performed, a field guidance scheme can be formed according to the preview process and is reversely written into a service database for storage, so that auxiliary reference is provided for operators to perform real operation.
Further, the replacement method of the stator in the generator of the nuclear power plant further comprises the following steps:
if collision risk or error operation occurs in the preview process, providing an improved decision corresponding to the collision risk or error operation;
and adjusting the simulation of the replacement process flow of the stator in the generator according to the improved decision until no collision risk or error operation exists in the preview process.
It should be noted that, in the preview process, if a risk or an erroneous operation occurs through analyzing data, it is indicated that there are deficiencies and hidden dangers in the simulated process flow, and an improvement decision of a corresponding operation step is given. For example, there is a risk that a certain member collides with another tool during the pulling process, and it is recommended to reduce the pulling height or adjust the pulling path. After an improved decision is given, the process simulation process can be adjusted according to the decision, previewed again, and repeated until no risk occurs.
Referring to fig. 3, a specific flow diagram of a method for replacing a stator in a generator of a nuclear power plant according to an embodiment of the present invention is shown, where the method includes:
and S21, decomposing the inner stator replacement process flow.
And S22, building a three-dimensional model and a virtual scene.
And S23, fusing the simulation process and the process flow.
S24, whether the process flow preview is finished or not; if so, go to step S26, otherwise, go to step S25.
S25, loop process step or skip check, and return to step S24.
And S26, analyzing the preview process.
S27, judging whether an improvement decision exists; if so, go to step S28, otherwise, go to step S29.
S28, improving the decision and the progress planning, and returning to the step S23.
S29, forming a field embodiment.
The embodiment of the invention is based on the replacement process flow of the stator in the generator of the nuclear power station, utilizes a three-dimensional virtual reality technology to construct a three-dimensional model and a virtual scene of the stator in the generator, carries out interactive simulation operation on the stator component in the generator, carries out preview on the simulation operation, visually displays the replacement process flow of the stator in the generator, is used for improving the working efficiency and accuracy of replacing the stator in the generator by operators and simultaneously provides operation guidance and risk assessment for personnel training and field work.
Example two
An embodiment of the present invention provides a replacement system for an internal stator of a generator of a nuclear power plant, which is capable of implementing all the processes of the replacement method for an internal stator of a generator of a nuclear power plant, and with reference to fig. 4, the replacement system for an internal stator of a generator of a nuclear power plant includes:
the decomposition module 41 is used for decomposing the replacement process flow of the stator in the generator of the nuclear power station into a process sequence;
the building module 42 is used for building a three-dimensional model and a virtual scene of the stator in the generator;
a simulation module 43, configured to simulate, based on the process sequence, a replacement process flow of the stator in the generator by using the three-dimensional model in the virtual scene; and the number of the first and second groups,
and the previewing module 44 is used for previewing the simulated replacement process flow and taking a previewing scheme as a replacement scheme of the stator in the generator after the previewing is passed.
Further, the building module is specifically configured to:
and according to parameters in technical drawings of key plants, systems, equipment and parts of the nuclear power station, building a three-dimensional model and a virtual scene of the stator in the generator, and optimizing the built model.
Further, the rehearsal module is specifically configured to:
and (3) previewing the simulated replacement process flow by adopting an automatic circulation previewing mode or a manual jumping previewing mode, and displaying the previewing process to an operator in real time.
Further, the rehearsal module specifically includes:
the detection unit is used for detecting whether collision risks or error operation occurs in the preview process; and the number of the first and second groups,
and the replacing unit is used for showing the preview scheme as the replacing scheme of the stator in the generator to an operator when the collision risk and the error operation do not occur after the whole preview is finished.
Further, the replacement system of the stator in the generator of the nuclear power plant further comprises:
the decision providing module is used for providing an improved decision corresponding to the collision risk or the error operation when the collision risk or the error operation occurs in the preview process; and the number of the first and second groups,
and the adjusting module is used for adjusting the simulation of the replacement process flow of the stator in the generator according to the improved decision until no collision risk or error operation exists in the preview process.
It should be noted that the system of the present embodiment has functions of three-dimensional rendering, processing user input, human-computer interaction, and the like, and the overall logical architecture of the system is as shown in fig. 5, and includes a data support layer, a core system layer, and a user interface layer. The data support layer comprises professional modeling tools such as mechanical design software PDMS, PRO-E, Delmia and the like to establish models of plants, key equipment and parts of the plants, completely stores attribute relations among the parts of the equipment, and performs material and texture rendering processing on the models through 3d maxMax and Maya to finally form a three-dimensional scene file which is a three-dimensional model file and a database containing parameter information of the plants and the equipment models and provides basic data support for establishing a simulation scene of the core system layer.
And the core system layer carries out development for model interaction application and processing of model information data on the scene data of the data support layer through a Unity3D engine, and provides simulation product service and data service for the user interface layer. In order to support the application development requirements of the system, the layer provides a mainstream industrial 3D graphics rendering engine Unity3D on the market and performs function implementation through a Visual Studio development platform. And importing the three-dimensional model data file of the data support layer into a Unity3D simulation engine, building a simulation scene, and developing a simulation function based on the scene, such as process flow visualization and display functions of equipment disassembly and assembly, part replacement, tool display and the like.
The user interface layer provides a friendly operation interface and an interactive mode for a user to access and operate the system (comprising a mouse, a keyboard handle and the like). And a quick and convenient user interface is provided for system service functions such as information query, equipment positioning and equipment three-dimensional interactive operation. The user interface layer realizes the operation interaction function of the system and provides the entrance and the interface of each function at the same time. This layer also embodies the functional logic of the overall system approach.
Model information data required by the system is established on a unified three-dimensional simulation management platform, information data such as model grid structures, material textures, attribute data and the like are organically organized, the model and associated data are organically combined, and visual interactive simulation operation of the model and lookup and sharing of the associated attribute information data are achieved through technical means.
As shown in fig. 6, the system of the present implementation includes a data layer, a control system, and a user interface. The data layer comprises a model base, a system database and a service database; the control system comprises various system switching, component display control, replacement flow control, progress visualization control and a P6 data communication interface; the user interface comprises a system main interface, a component display interface, a replacement interactive operation, a progress visual display and a help information prompt. The system realizes the functions of parameter display of the inner stator component of the generator, inner stator replacement, visualization of the maintenance schedule of the inner stator, previewing of the maintenance scheme and the like, wherein the functions relate to information inquiry, interactive operation and viewing of data, data interactive communication with platforms such as P6 and the like. Through three-dimensional dynamic display, a user can intuitively know information such as the structure and the material of the inner stator component and the specific process of equipment replacement.
The embodiment of the invention is based on the replacement process flow of the stator in the generator of the nuclear power station, utilizes a three-dimensional virtual reality technology to construct a three-dimensional model and a virtual scene of the stator in the generator, carries out interactive simulation operation on the stator component in the generator, carries out preview on the simulation operation, visually displays the replacement process flow of the stator in the generator, is used for improving the working efficiency and accuracy of replacing the stator in the generator by operators and simultaneously provides operation guidance and risk assessment for personnel training and field work.
In summary, the invention provides a method and a system for replacing a stator in a generator of a nuclear power station, which have the following advantages: the method comprises the steps of constructing a real three-dimensional environment of a nuclear power station by using a virtual simulation technology, visualizing the whole replacement process of a stator in a generator of the nuclear power station, and integrating various equipment components, using tool parameter information and P6 progress management software data to realize data integration; through replacement simulation in a virtual scene, sand table deduction, collision check and space analysis of replacement of the inner stator are realized in a three-dimensional environment, verification of a replacement scheme is realized, so that a specific replacement scheme can be adjusted and arranged better, and unpredictable risks caused by improvement of equipment such as the inner stator are reduced; visual expression of the inner stator replacement process flow is visually provided, and through guidance and training in a visual mode, technicians can master the whole replacement process of the inner stator of the generator of the nuclear power station more conveniently, more visually and more accurately, and the field work efficiency and the accuracy are improved.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (8)
1. A method for replacing a stator in a generator of a nuclear power plant is characterized by comprising the following steps:
decomposing a replacement process flow of an inner stator of a generator of the nuclear power station into a process sequence;
building a three-dimensional model and a virtual scene of the stator in the generator;
simulating a replacement process flow of the stator in the generator by utilizing the three-dimensional model in the virtual scene based on the process sequence;
previewing the simulated replacement process flow, and taking a previewing scheme as a replacement scheme of the stator in the generator after the previewing is passed;
the replacement method of the stator in the generator of the nuclear power station further comprises the following steps:
if collision risk or error operation occurs in the preview process, providing an improved decision corresponding to the collision risk or error operation;
and adjusting the simulation of the replacement process flow of the stator in the generator according to the improved decision until no collision risk or error operation exists in the preview process.
2. The method for replacing the stator in the generator of the nuclear power plant as claimed in claim 1, wherein the building of the three-dimensional model and the virtual scene of the stator in the generator specifically comprises:
and according to parameters in technical drawings of key plants, systems, equipment and parts of the nuclear power station, building a three-dimensional model and a virtual scene of the stator in the generator, and optimizing the built model.
3. The method for replacing the stator in the generator of the nuclear power plant as claimed in claim 1, wherein the previewing of the simulated replacement operation specifically comprises:
and (3) previewing the simulated replacement process flow by adopting an automatic circulation previewing mode or a manual jumping previewing mode, and displaying the previewing process to an operator in real time.
4. The method for replacing the generator stator in the nuclear power plant as claimed in claim 1, wherein the step of using a rehearsal scheme as the replacement scheme of the generator stator after the rehearsal passes specifically comprises the steps of:
detecting whether collision risk or error operation occurs in the preview process;
and if the collision risk and the error operation do not occur after the whole preview is finished, displaying a preview scheme as a replacement scheme of the stator in the generator to an operator.
5. A nuclear power plant generator internal stator replacement system, comprising:
the decomposition module is used for decomposing the replacement process flow of the stator in the generator of the nuclear power station into a process sequence;
the building module is used for building a three-dimensional model and a virtual scene of the stator in the generator;
the simulation module is used for simulating a replacement process flow of the stator in the generator by utilizing the three-dimensional model in the virtual scene based on the process sequence; and the number of the first and second groups,
the preview module is used for previewing the simulated replacement process flow and taking a preview scheme as a replacement scheme of the stator in the generator after the preview is passed;
the system for replacing the stator in the generator of the nuclear power station further comprises:
the decision providing module is used for providing an improved decision corresponding to the collision risk or the error operation when the collision risk or the error operation occurs in the preview process; and the number of the first and second groups,
and the adjusting module is used for adjusting the simulation of the replacement process flow of the stator in the generator according to the improved decision until no collision risk or error operation exists in the preview process.
6. The replacement system of the stator in the generator of the nuclear power plant as claimed in claim 5, wherein the building module is specifically configured to:
and according to parameters in technical drawings of key plants, systems, equipment and parts of the nuclear power station, building a three-dimensional model and a virtual scene of the stator in the generator, and optimizing the built model.
7. The nuclear power plant generator stator replacement system as recited in claim 5, wherein the rehearsal module is specifically configured to:
and (3) previewing the simulated replacement process flow by adopting an automatic circulation previewing mode or a manual jumping previewing mode, and displaying the previewing process to an operator in real time.
8. The system for replacing a stator in a generator of a nuclear power plant as claimed in claim 5, wherein the rehearsal module specifically comprises:
the detection unit is used for detecting whether collision risks or error operation occurs in the preview process; and the number of the first and second groups,
and the replacing unit is used for showing the preview scheme as the replacing scheme of the stator in the generator to an operator when the collision risk and the error operation do not occur after the whole preview is finished.
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| CN109272800A (en) * | 2018-11-16 | 2019-01-25 | 北京华电天仁电力控制技术有限公司 | A kind of Power Plant Simulation Training Methodology based on Unity3D |
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