CN103761406B - Low-voltage electromagnetic switch three-dimensional dynamic full-simulation virtual design platform - Google Patents
Low-voltage electromagnetic switch three-dimensional dynamic full-simulation virtual design platform Download PDFInfo
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Abstract
The present invention relates to a kind of low-voltage electromagnetic switch three-dimensional dynamic full-simulation virtual design platform, including finite element software system and circuit-simulation module, by described finite element software system, set up the low voltage electromagnetic switch three-dimensional motion model including electromagnetic system, link gear and contact system；Described three-dimensional motion model is calculated by the coupling of Electromagnetic Calculation module, Temperature calculating module and field of force computing module, forms three dimension dynamic simulation module；By the associative simulation of circuit-simulation module Yu described three dimension dynamic simulation module, design intelligent control circuit powers to described electromagnetic system；Described three dimension dynamic simulation module includes fixing the static calculation module under air gap, the dynamic calculation module in whole motor process and optimizing design module, and is connected to Virtual Design Platform.The present invention establishes the fully simulated platform of electromagnetic switch Three-Dimensional Dynamic containing circuit-simulation module, and the structure design for low voltage electromagnetic switch establishes good theoretical basis with Based Intelligent Control.
Description
Technical field
The present invention relates to a kind of low-voltage electromagnetic switch three-dimensional dynamic full-simulation virtual design platform.
Background technology
Low voltage electromagnetic switch is the device having a large capacity and a wide range in electrical engineering field, for power circuit or automatic control system
Middle connection, control or protect load switchgear, including the electromagnetism in electromagnetic treadle, relay and chopper take off
Button device etc..Containing electromagnetic system and contact system in electromagnetic switch, electromagnetic system is the sensing mechanism of electromagnetic switch, and it is worked
Journey is to convert electrical energy into magnetic energy, then magnetic energy is converted into mechanical energy, electromagnetic system motion drive switch execution unit
The action of contact system.Have during conventional AC electromagnetic system steady operation that power attenuation is big, coil is overheated, vibration noise etc.
Series of problems；Contact system closing course exists once, secondary bounce, there is arc erosion phenomenon during disjunction, all can cause
The phenomenon such as electrical wear and melting welding, these are all to reduce electromagnetic switch electric life and the main cause of reliability.In order to adapt to the modern times
Enterprise is extensive, automatization, the demand of high-speed production, meet efficiently, the theory of energy-saving and environmental protection, the research to electromagnetic switch, mesh
Before paid close attention to widely.Meanwhile, along with electronic technology, the development of automatic control technology, the intelligent control technology of electromagnetic switch
Had rapid progress in recent years, a new generation's low voltage electromagnetic switch has that volume is little, rational in infrastructure, connecting-disconnecting function strong, energy-saving material-saving,
The features such as silent running.
Electromagnetic switch be in operation nonlinear energies such as there is electricity, magnetic, light, heat, power conversion, these energy along with time
Between, the change of air gap and produce change, form a complicated dynamic process.Tradition electromagnetic switch analysis design method mostly with
Static Design, approximate calculation, empirical parameter are main, cause product development cycle length, fund input big, and design calculate parameter with
Product actual performance gap is relatively big, needs just can be obtained satisfactory result by repetition test correction, cannot meet far away high-quality,
High efficiency design requirement.Along with improving constantly of computer simulation technique and finite element software performance, the machine in engineering field
The emulation technologies such as structure dynamic analysis, structural analysis, electromagnetic field analysis, hot analysis are increasingly mature, for electromagnetic switch analysis with set
Meter provides good basis.In order to design high-performance, high reliability electromagnetic switch to adapt to market development demand, raising sets
Meter efficiency, reduction development cost, be an extremely urgent job by virtual Prototype technology introducing low-voltage electrical apparatus.Virtual sample
Machine designing technique refers to during product design and development, scattered parts design and analytical technology is blent into one,
Set up the whole machine model of product on computer, and carry out simulation analysis, prediction complete machine for product operating mode after coming into operation
Performance, and then Curve guide impeller, a kind of new technique of enhancing product performance.
Document [1] uses three-dimensional magnetic field vector method that Electromagnetic System of Contactor is carried out Transient analysis, it is contemplated that unshakable in one's determination
Non-linear and anisotropic properties；Document [2] is set up, by a series of differential equations, the catalyst comprising contact bounce and is dynamically counted
Calculate full model, use Runge-Kunta method to carry out rapid solving, analyze different parameters such as: voltage phase angle, heavy moving parts and
Inertia, cushion pad unshakable in one's determination hardness etc. on catalyst dynamic characteristic and the impact of contact bounce；Document [3] uses " magnetic circuit " method
Electromagnetic System of Contactor is calculated, solves catalyst dynamic differential equation group by quadravalence Runge-Kunta, analyze difference
Closing phase angle dynamic characteristic；The catalyst magnetic circuit dynamic calculation model considering contact motion conditions set up by document [4], analyzes difference
The rolling electric fault condition impact on catalyst dynamic characteristic；Document [5] uses " field-road combines " method, and big air gap is had by ANSYS
Limit unit emulation 3 D electromagnetic field, small air gap uses " road " method considering divided magnetic ring effect to calculate catalyst adhesive characteristic.
The three-dimensional PM prototype model of low-pressure plastic shell circuit breaker set up by document [6-7], considers disjunction spring, rod member during modeling
Shape, pneumatic repellent force, the impact on breaking speed of the electrodynamic repulsion force many factors；Document [8-9] uses Dynamics Simulation soft
Part ADAMS sets up catalyst three-dimensional motion phantom, has coupled circuit, electromagnetic field is iterated solving, and dynamic analysis is examined
Consider friction effects, it is achieved to catalyst Dynamic Closing Course and the simulation analysis of contact bounce, and analyze different closing phase angle,
Touch spring parameter and the coil voltage impact on contact bounce.
But, current all of finite element software, it is both for the field domain calculating that universal phenomenon is carried out.Low voltage electromagnetic is opened
Close and work process relates to the coupling field domain calculating such as electromagnetic field, temperature field, the field of force, and, of a great variety, configurations, think
Will acquire a certain degree of difficulty its analysis, especially Three-Dimensional Dynamic process difficulty in computation is bigger.
The present invention is directed to low voltage electromagnetic switch one comprehensive three dimension dynamic simulation Virtual Design Platform of exploitation, at platform
In, by electromagnetic system, contact system, link gear are set up three-dimensional finite element model, form complete three-dimensional motion model,
Model is loaded, builds electromagnetic field, temperature field, the fully simulated model of coupling field domain in the field of force, and set up static calculation, dynamically respectively
Calculate and optimize design module so that it is carrying out Simulation Analysis as required, through the secondary development to related software, being formed
Three dimension dynamic simulation Virtual Design Platform, this platform has parameter setting, result output, function selecting, specificity analysis module, with
Time circuit simulation and intelligent control module introduced this simulation virtual design platform, three-dimensional model machine can be applied different control
Scheme, sets up combined simulation system, thus simulates real running environment, contact system can also be applied different load,
Select different loads, by the use of this platform, the design cycle of new product can be greatly shortened, save design cost,
Improve design efficiency.Meanwhile, also design for intelligent control module provides good design platform.
List of references:
[1] Lech Nowak, Krzysztof Kowalski.The 3D Coupled Field-Circuit
Simulation of Transients in Nonliear Systems[J].IEEE Transactions on
Magnetics, 1996,32 (3): 1078-1081.
[2]Masayoshi Wada,Hiroshi Yoshimoto,Yujiro Kitaide. Dynamic Analysis
and Simulation of Electromagnetic Contactors with AC Solenoids[C].Proceedings
of the 28th Annual Conference of the IEEE Industrial Electronic Society’2002
(IECON’02),2002(4):2745-2751.
[3] Cheng Zhuyuan, Xu Zhi red .XMCO-188 A.C. contactor dynamic analysis [J]. Electric Manufacture, 2010 (1):
44-48.
[4] Lin Shuyi, Xu Zhihong. the Analysis of Working Performance [J] of A.C. contactor under rolling electric fault. China's electrical engineering
Journal, 2011,31 (24): 131-137.
[5] Sun Yuan, Xu Zhihong. Design of Electromagnetic System for Intelligent AC Contactor based on ANSYS software [J]. low-voltage electrical apparatus,
2006(11):3-8.
[6] open and respect bean, Chen Degui, etc. low-pressure plastic shell circuit breaker simulation study [J] based on Virtual Prototype Technique. system
Emulation journal, 2004 (9): 2118-2121.
[7] Chen Degui, Liu Qingjiang, Kang Yan. the influence factor [J] of moulded case circuit breaker operation mechanism breaking speed. low tension
Device, 2005 (12): 9-13.
[8] Li Xingwen, Chen Degui, Sun Zhiqiang, etc. A.C. contactor dynamic process and contact bounce numerical analysis and experiment
Research [J]. Proceedings of the CSEE, 2004,24 (9): 229-233.
[9] Liu Yingyi, Chen Degui, Yuan Haiwen. the permanent magnet contactor dynamic Characteristic Simulation of belt current feedback and analysis [J].
Proceedings of the CSEE, 2010,15 (30): 118-123..
Summary of the invention
It is an object of the invention to provide one and establish electromagnetic switch three dimension dynamic simulation model, and open for low voltage electromagnetic
The intelligentized control method scheme closed, it is provided that the low-voltage electromagnetic switch three-dimensional dynamic full-simulation virtual design platform of good design platform.
For achieving the above object, the technical scheme is that a kind of low voltage electromagnetic switch Three-Dimensional Dynamic is fully simulated virtual
Design platform, including finite element software system and circuit-simulation module, by described finite element software system, sets up and includes electromagnetism
The three-dimensional motion model of the low voltage electromagnetic switch of system, link gear and contact system；Described three-dimensional motion model passes through electromagnetism
The coupling of field computing module, Temperature calculating module and field of force computing module calculates, and forms three dimension dynamic simulation module；Described three
Dimension dynamic simulation module includes the static calculation module calculating the electromagnetic switch under fixing air gap, calculates electromagnetic switch
In whole motor process, parameter change designs module with dynamic calculation module and the optimization of field domain changes in distribution situation, and passes through institute
State static calculation module, dynamic calculation module and model machine is carried out Optimization Seeking Design optimization design module be connected to virtual design put down
Platform；The direct energy supply control module of described Virtual Design Platform chosen electromagnetic mechanism powering mode is connected to electromagnetic system, institute
State Virtual Design Platform and be also connected to electromagnetic system through circuit-simulation module and intelligent control module；Described circuit-simulation module is led to
Cross and the associative simulation of three dimension dynamic simulation module, design intelligent control circuit, in input to described intelligent control module, and
Power to described electromagnetic system by described intelligent control module；Described Virtual Design Platform includes parameter setting module, result
Output module, specificity analysis module and function selecting module；Described parameter setting module is to structural parameters, material parameter, motion
Parameter and parameters optimization are configured；Described result output module is used for exporting kinetic characteristic and performance parameter；Described characteristic is divided
Analysis module set up on electromagnetic switch characteristic impact Parameter analysis and biometry；Described function selecting module is to static calculation
Module, dynamic calculation module and optimization design module select；Described contact system the most respectively by load input module and
Different loads setting module is connected to Virtual Design Platform；Described different loads setting module, controls contact system institute break-make
Loadtype；The make-break capacity of contact system is analyzed and calculates by described load input module.
In embodiments of the present invention, the powering mode of the electromagnetic mechanism of described direct energy supply control module be DC excitation or
Person's AC excitation, and voltage range and electric pressure can be changed.
Compared to prior art, the method have the advantages that
(1) Virtual Prototype Technique is introduced in the design of low voltage electromagnetic switch, it is considered to frictional force in motor process, collided
The impact of the factors such as journey deformation, introduces controlling party by describing the constitutive equation of material deformation amount, the equation of motion and boundary constraint
Cheng Zhong, establishes three-dimensional motion mathematical model, meanwhile, is coupled in electromagnetic field, temperature field, the field of force, establishes containing contact system
Electromagnetic switch three dimension dynamic simulation module with electromagnetic system；
(2) simulation technology and three dimension dynamic simulation module being combined, define combined simulation system, this system is not
Only can be in the case of field domain couple, the ruuning situation of Artificial switch, it is also possible to incorporate control program, carry out process control and imitate
Very, for the intelligentized control method scheme of low voltage electromagnetic switch, it is provided that good design platform；
(3) coupling field domain and the motion model of contact system are established, by what contact system load and operation were loaded
Emulation, for low voltage electromagnetic switch designs, can bring brand-new design concept with the real running environment of analog switch electrical equipment.
Accompanying drawing explanation
Fig. 1 is the theory diagram of low-voltage electromagnetic switch three-dimensional dynamic full-simulation virtual design platform of the present invention.
Fig. 2 is the flow chart that two way classification interpolation form solves electric current and suction.
Fig. 3 is magnetic circuit dynamic differential Equation for Calculating flow chart.
Fig. 4 is the three-dimensional fully simulated dynamic calculation flow chart of electromagnetic switch.
Detailed description of the invention
Below in conjunction with the accompanying drawings, technical scheme is specifically described.
One low-voltage electromagnetic switch three-dimensional dynamic full-simulation virtual design platform of the present invention, including finite element software system
(in embodiments of the present invention, finite element software system can use finite element analysis software SciFEA to replace) and circuit simulation mould
Block, by described finite element software system, sets up and includes what the low voltage electromagnetic of electromagnetic system, link gear and contact system switched
Three-dimensional motion model；Described three-dimensional motion model is by Electromagnetic Calculation module, Temperature calculating module and field of force computing module
Coupling calculate, formed three dimension dynamic simulation module；Described three dimension dynamic simulation module includes opening the electromagnetism under fixing air gap
Parameter change and field domain changes in distribution feelings in the whole motor process close the static calculation module carrying out calculating, calculating electromagnetic switch
The dynamic calculation module of condition and optimization design module, and by described static calculation module, dynamic calculation module and model machine is entered
The optimization design module of row Optimization Seeking Design is connected to Virtual Design Platform；The chosen electromagnetic mechanism of described Virtual Design Platform is powered
The direct energy supply control module of pattern is connected to electromagnetic system, and described Virtual Design Platform is also through circuit-simulation module and intelligence control
Molding block is connected to electromagnetic system；Described circuit-simulation module, by the associative simulation with three dimension dynamic simulation module, designs intelligence
Energy control circuit, in input to the most described intelligent control module, and gives the confession of described electromagnetic system by described intelligent control module
Electricity；Described Virtual Design Platform includes parameter setting module, result output module, specificity analysis module and function selecting module；
Structural parameters, material parameter, kinematic parameter and parameters optimization are configured by described parameter setting module；Described result output mould
Block is used for exporting kinetic characteristic and performance parameter；What electromagnetic switch characteristic was affected by the foundation of described specificity analysis module parameter is divided
Analysis and biometry；Static calculation module, dynamic calculation module and optimization design module are selected by described function selecting module
Select；Described contact system is connected to Virtual Design Platform by load input module and different loads setting module the most respectively；Institute
State different loads setting module, control the loadtype of contact system institute break-make；Described load input module is to contact system
Make-break capacity is analyzed and calculates.
The powering mode of the electromagnetic mechanism of described direct energy supply control module is DC excitation or AC excitation, and can
Change voltage range and electric pressure.
It it is below the specific embodiment of the present invention.
As it is shown in figure 1, F is finite element software system (in the present embodiment, this finite element software system i.e. finite element in figure
Analyze software SciFEA), D is electromagnetic system, and L is link gear, and C is contact system, and S is three-dimensional motion model, and DC is electromagnetism
Field computing module, WD is Temperature calculating module, and LC is field of force computing module, and Q is three dimension dynamic simulation module, and JT is static meter
Calculating module, DT is dynamic calculation module, and YH is for optimizing design module, and XN is Virtual Design Platform, and CS is parameter setting module, JG
For result output module, TX is specificity analysis module, and GN is function selecting module, and DF is circuit-simulation module, and ZN is intelligence control
Molding block, ZJ is direct energy supply control module, and ZH is load input module, and FZ is different loads setting module.
Consider the factor such as frictional force, collision process deformation in motor process, the constitutive equation of material deformation amount, fortune will be described
Dynamic equation and boundary constraint introduce in equation, set up three-dimensional motion mathematical model, by three-dimensional finite element software system F, build
Vertical containing electromagnetic system D, contact system C, the low voltage electromagnetic switch three-dimensional motion model S of link gear L；Model is carried out electromagnetic field
DC, temperature field WD, field of force LC couple calculating, are formed containing parts such as contact system C, electromagnetic system D, link gear L interior three
Dimension dynamic simulation module Q；This three dimension dynamic simulation module Q has three computing modules: static calculation module J T, dynamic calculation mould
Block DT, optimization design module YH；Electromagnetic switch under a certain fixing air gap can be calculated, by electricity by static calculation module J T
Magnetic field DC, temperature field WD, the calculating of field of force LC, be appreciated that: electromagnetic attraction, magnetic circuit magnetic linkage, coil current, coil voltage, ferrum
The parameter values such as heart displacement, contact displacement, contact temperature rise, clearance between open contacts, meanwhile, are appreciated that the electromagnetic field in a certain moment, temperature
Field distribution situation, and the stressing conditions of each parts；Dynamic calculation module DT can calculate the whole motor process of electromagnetic switch
In the change of parameter and field domain changes in distribution situation, it is particularly possible to find out the spring feelings with contact unshakable in one's determination in attracting process
Condition, running orbit, Impact energy, contact in breaking course, running orbit unshakable in one's determination, the parameter such as contact, just-off speed unshakable in one's determination,
The visual in image product designed by analysis；Optimize design module YH and have employed intelligent algorithm, require to select according to design
Optimized variable and object function, by optimizing design module, can launch comprehensive Optimization Seeking Design to model machine, design is greatly improved
Efficiency, shortens the design cycle.
In the present invention, static calculation and dynamic calculation use following mentality of designing to be designed:
Use numerical computation method to solve the problem of the magnetic field differential equation, mainly FInite Element is introduced electromagnetic field numerical value
Calculate；When solving dynamical equation, use static magnetic field, circuit equation and the simultaneous solution of the movable member equation of motion.To
Electromagnetic attraction characteristic after electromagnetic system Guan Bi instant shock, Guan Bi is calculated, owing to air gap is minimum, air gap can be put aside
Middle dispersing flux and leakage field, can use the computational methods on " road ", joins circuit equation and the movable member equation of motion
Stand and solve.Use the method that " field " " road " combines, the advantage that can be given full play to the two；For ac electromagnetism system, when dynamic,
When air gap between fixed core is bigger, divided magnetic ring effect is less, puts aside；Static electromagnetic field is used to resolve dynamic process,
On the premise of not considering eddy current and magnetic hysteresis, it is all the binary function of magnetic linkage and air gap to same electromagnetic mechanism, electric current and suction,
This corresponding relation is difficult to express out with clear and definite mathematical function, but can be by discrete data form and represent.This form
Can be calculated by finite element analysis software.For given air gapWith magnetic linkage, correspondence can be obtained by two way classification
Electric current i and suction Fx, calculating for three-dimensional dynamic reaction and use, it solves flow process as shown in Figure 2.
When air gap is less, divided magnetic ring effect is obvious, it is necessary to take into account, uses Magnetic Circuit Method to calculate electromagnetic electric current, magnetic linkage
And electromagnetic attraction etc.；Overall calculation flow chart is as shown in Figure 3.
For direct solenoid system, there is not divided magnetic ring in magnetic circuit, computational methods are equally applicable.
In above calculation process, it is calculated the electromagnetic attraction in a certain moment, using this suction as load, is loaded into electromagnetism
In switch three-dimensional dynamic reaction, by kinetic model, it is calculated the fortune such as the next displacement in moment, speed, acceleration
Dynamic parameter；The kinematic parameter obtained is returned in dynamic process, calculates the next electric current in moment, electromagnetic attraction；By instead
Multiple iteration is mutual, obtains the whole dynamic process of electromagnetic switch；Interaction is as shown in Figure 4.
First according to parameters such as initial displacement, magnetic linkage, electric currents, current time electromagnetic attraction is calculated, and by this electromagnetic attraction
It is loaded in the three-dimensional motion model of foundation as load, is calculated the motion ginsengs such as the displacement of subsequent time, speed, acceleration
Number, it is determined that calculate and whether terminate, if not terminating, then kinematic parameter is returned in electromagnetic attraction computation model, recalculate next
Moment electromagnetic attraction, mutual by iterating, available electromagnetic switch three-dimensional motion process；Not only can be counted by this model
Calculate the parameters such as magnetic linkage, electric current, electromagnetic attraction, it is also possible to be calculated contact, the displacement of arbitrfary point, speed, acceleration unshakable in one's determination etc.
Parameter, by extracting respective contacts, contact point displacement unshakable in one's determination, can carry out simulation analysis to spring signal.
Working gas gap is fixed, calculates and just obtain static calculation result.
In Virtual Design Platform XN, containing parameter setting module CS, result output module JG, specificity analysis module TX and
Function selecting module GN；By function selecting module GN to static calculation module J T, dynamic calculation module DT, optimize design module
YH selects, and enters different calculation procedures；Virtual Design Platform XN has good man machine interface, easy and simple to handle, use
Convenient；In parameter setting module CS, structural parameters, material parameter, kinematic parameter, parameters optimization etc. can be configured,
The impact after changing relevant parameter caused prototype structure and performance, including kinetic characteristic and performance parameter, can pass through
The operation of correlation module, reflects in result output module JG intuitively, and result of calculation can also achieve, print；Characteristic
Analyze in module TX and establish the key parameter impact on electromagnetic switch characteristic, such as: the spring number of times of contact, bounce time, suction
Conjunction time, break, the excess of stroke of contact, open away from, the stroke speed unshakable in one's determination impact etc. on switching characteristic, to improving product
Electric life and the reliability of product, can be improved, it is provided that theoretical foundation.
The loadtype of contact system institute break-make, can be changed by different loads setting module FZ, in order to observe
The working condition of switch contact in the case of different loads；By load input module ZH contact make-break capacity is analyzed and
Calculate, the true ruuning situation of contact system can be simulated；Along with developing rapidly of intellectual technology, low-voltage intelligent electrical equipment gushes in a large number
Existing, in Virtual Design Platform XN, the powering mode of electromagnetic mechanism can be selected, in direct energy supply control module ZJ, permissible
Set DC excitation or AC excitation, it is also possible to change voltage range and electric pressure；And in circuit-simulation module DF, can
To design different control circuits, by the associative simulation with three dimension dynamic simulation module Q, the Intelligent control electric that design is suitable for
Road, in input intelligent control module ZN, intelligent control module ZN powers to the electromagnetic system D of electromagnetic switch.
Being above presently preferred embodiments of the present invention, all changes made according to technical solution of the present invention, produced function is made
With during without departing from the scope of technical solution of the present invention, belong to protection scope of the present invention.
Claims (2)
1. a low-voltage electromagnetic switch three-dimensional dynamic full-simulation virtual design platform, including finite element software system and circuit simulation
Module, it is characterised in that: introduce describing the constitutive equation of material deformation amount, the equation of motion and boundary constraint in equation, build
Vertical three-dimensional motion mathematical model, by described finite element software system, sets up and includes electromagnetic system, link gear and contact system
Low voltage electromagnetic switch three-dimensional motion model；Described three-dimensional motion model passes through Electromagnetic Calculation module, Temperature calculating mould
The coupling of block and field of force computing module calculates, and forms three dimension dynamic simulation module；Described three dimension dynamic simulation module includes solid
Determine the static calculation module that the electromagnetic switch under air gap carries out calculating, calculate parameter change in the whole motor process of electromagnetic switch
With the dynamic calculation module of field domain changes in distribution situation, intelligent algorithm is used to require to select optimized variable and mesh according to design
Scalar functions carries out the optimization design module of Optimization Seeking Design to model machine, and by described static calculation module, dynamic calculation module and
Optimize design module and be connected to Virtual Design Platform；The direct electricity of described Virtual Design Platform chosen electromagnetic mechanism powering mode
Source control module is connected to electromagnetic system, and described Virtual Design Platform is also connected to through circuit-simulation module and intelligent control module
Electromagnetic system；Described circuit-simulation module, by the associative simulation with three dimension dynamic simulation module, designs intelligent control circuit, defeated
Enter to described intelligent control module, and power to described electromagnetic system by described intelligent control module；Described virtual set
Meter platform includes parameter setting module, result output module, specificity analysis module and function selecting module；Described parameter arranges mould
Structural parameters, material parameter, kinematic parameter and parameters optimization are configured by block；Described result output module is used for exporting motion
Characteristic and performance parameter；Described specificity analysis module sets up the key parameter analysis on the impact of electromagnetic switch characteristic and life of product
Prediction；Static calculation module, dynamic calculation module and optimization design module are selected by described function selecting module；Described tactile
Head system is connected to Virtual Design Platform by load input module and different loads setting module the most respectively；Described different loads
Setting module, controls the loadtype of contact system institute break-make；The make-break capacity of contact system is entered by described load input module
Row is analyzed and is calculated.
Low-voltage electromagnetic switch three-dimensional dynamic full-simulation virtual design platform the most according to claim 1, it is characterised in that: institute
The powering mode of the electromagnetic mechanism stating direct energy supply control module is DC excitation or AC excitation, and can change voltage model
Enclose and electric pressure.
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| CN107229788B (en) * | 2017-05-24 | 2019-12-31 | 福州大学 | Virtual prototype design platform of intelligent contactor |
| CN108416169B (en) * | 2018-03-30 | 2021-07-27 | 福州大学 | On-load multi-physical-field coupling simulation optimization design system for contactor contact system |
| CN111460588A (en) * | 2020-03-27 | 2020-07-28 | 上海电机学院 | Optimal design method for molded case circuit breaker operating mechanism |
| CN112068053B (en) * | 2020-09-18 | 2021-09-24 | 福州大学 | Method for indirectly measuring magnetic linkage and attractive force characteristics of electromagnetic switch operating mechanism |
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