Modeling method of full-digital in-place control panel cabinet
A technology of local control and modeling method, applied in general control systems, control/regulation systems, simulators, etc., can solve problems such as difficulty in interaction, difficulty in reflecting control details, lack of unified standards, etc., to achieve strong versatility, Low cost and high versatility
Inactive Publication Date: 2015-11-04
CHINA THREE GORGES UNIV
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Problems solved by technology
Due to the lack of unified standards, the models established by different methods are difficult to interact and reflect the control details
At present, there is no literature or information that clearly proposes a method for systematically constructing a full digital model that reflects all functions
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[0036] Such as figure 1 As shown, a model of a fully digital local control panel in the present invention is composed of various core modules, each core module contains multiple types of simulation objects, and each simulation object contains equipment with different attributes. For equipment modeling, the same type of simulation object has the same interface and module algorithm, and the equipment properties can be customized according to the simulation needs. The simulation module is composed of the equipment model, and all the functions of the operation, monitoring, control and protection of the local control panel are realized through the combination of the simulation module, so as to realize the full digital simulation of the local control cabinet.
[0037] Step 1, select the core module and define the function:
[0038] Construct multiple core modules of the model, and multiple core modules correspond to the realization of the operation function, monitoring function, co...
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The invention relates to a modeling method of a full-digital in-place control panel cabinet. The method includes the following steps that: core modules are constructed, and functions of the core modules are defined; data used in an equipment model are classified, and the data are classified into two categories, namely, real-time dynamic data and model static data; input data and output data in the real-time dynamic data are separated from each other, and an input interface and an output interface are set respectively; the input interface receives real-time calculation data, the model performs calculation according to the values of input variables, and calculation results are converted into data output through the output interface, and a parameter setting interface is set, and the model static data are set; structure variables are defined according to requirements; and the equipment model forms a simulation module, and the simulation module forms a panel cabinet model. With the modeling method of the invention adopted, full-digital simulation can be performed on a circuit breaker control cabinet, a hydropower station auxiliary equipment control cabinet and the like; the work principle of a control panel cabinet can be comprehensively reflected; and operation, control, monitoring and protection functions of the panel cabinet can be realized.
Description
technical field [0001] The invention relates to a digital modeling method, in particular to a modeling method of an all-digital local control panel. Background technique [0002] The simulation system of the full digital model represents the future development direction of the simulation training system. The control panel is the most important monitoring component in power plants and substations, and it needs to realize functions such as operation, control, status display and protection. Due to the complex structure of the cabinet and the strong correlation between various functions, it is difficult to carry out fully digital modeling. The current existing modeling methods are difficult to faithfully display the overall functions of the panel. The object-oriented modeling method is used to model the operation buttons, handles, switches and signal lights of the panel. The modular modeling method realizes the protection process and the automatic control process. Due to the ...
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Inventor 陈铁吴喜春甘辉霞
Owner CHINA THREE GORGES UNIV