CN206096792U - Microcomputer based relay protec tion system simulator system - Google Patents
Microcomputer based relay protec tion system simulator system Download PDFInfo
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- CN206096792U CN206096792U CN201621039542.0U CN201621039542U CN206096792U CN 206096792 U CN206096792 U CN 206096792U CN 201621039542 U CN201621039542 U CN 201621039542U CN 206096792 U CN206096792 U CN 206096792U
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Abstract
The utility model provides a microcomputer based relay protec tion system simulator system, include: simulator container, simulator plug -in components and virtual tester, be equipped with virtual tester interface on the simulator container, be equipped with the drive calling interface on the simulator plug -in components, virtual tester with the simulator container passes through virtual tester interface connection, the simulator plug -in components with the simulator container passes through the drive calling interface.
Description
Technical field
This utility model belongs to power system relay protection device computer simulation technique field, and in particular to a kind of microcomputer
Protective relaying device simulation system.
Background technology
In Computer Simulation field, there is a kind of technology virtual machine (Virtual Machine) technology, the technology refers to logical
Cross the complete computer with complete hardware system function, operating in a completely isolated environment of software simulation.
It possesses the duplicate function of true windows systems, and into after virtual system, all operations are all brand-new only at this
Carry out inside vertical virtual system, data can be preserved, possess the independent table of oneself with independently installed runs software, will not be right
Real operating system produces any impact.Microcomputer protective relay device simulator technology is similar with virtual machine concept, but also has
Difference.The simulator technology may be defined as：By computer software and hardware resource simulate microcomputer protective relay device products-hardware and
A kind of technology of function.It is that the general core processor of computer virtual machine is exactly mainly with the difference of computer virtual machine technology
Two company of INTEL and AMD, therefore virtual both core processors are only needed, and embedded processor technology system (ARM,
DSP, PowerPC), product class and producer it is extremely many, just same technical system such as ARM at last, framework also have a lot, such as
The frameworks such as CotexM3, M4, A8, A9, below same framework, each producer's peripheral hardwares of such as CotexM4 are also different, therefore calculating at present
Also there is no the virtual machine that can simulate so many chip architecture completely on machine.
Digital simulation technique is that power system network and load elements are set up its mathematical model, with mathematical model in numeral
The process tested on computer and studied；Realize that Digital Simulation generally comprises founding mathematical models, sets up Digital Simulation mould
Three key steps of type and emulation experiment；Power system digital simulation application is very extensive, mainly has：Research electric power digital
Emulation, such as electromagnetic transient in power system calculation procedure (EMTP), power system comprehensive power flow program (BPA), training power train
System Digital Simulation, such as electric power system dispatching person's Training Simulation System (DTS), Substation Training Simulation System etc..Current power train
The emulation that is related to of system be substantially algorithm in terms of emulation, the ASS without being directed to electric secondary device do not have yet
Retrieve related realization method and simulator.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of microcomputer protective relay device simulation system, overcome on
Defect is stated, is solved the above problems.
To solve above-mentioned technical problem, this utility model provides a kind of microcomputer protective relay device simulation system, including：
Simulator container, simulator plug-in unit and virtual test instrument, the simulator container are provided with virtual test instrument interface,
The simulator plug-in unit is provided with driving calling interface, and the virtual test instrument is with the simulator container by the virtual survey
The interface connection of examination instrument, with the simulator container by the driving calling interface, the simulator holds the simulator plug-in unit
Device is provided with communication serial port drive interface, opens incoming interface, outputs interface, analog quantity interface, user-machine interface and communication network port
Driving interface, the simulator plug-in unit are provided with human-computer interface module, data acquisition module, relay protective scheme module and communication function
Module, the human-computer interface module, data acquisition module, relay protective scheme module and communication function module are adjusted with described driving respectively
Connected with interface.
As a kind of a kind of preferred version of microcomputer protective relay device simulation system described in the utility model, the mould
Intend being additionally provided with power down memory interface on device container.
As a kind of a kind of preferred version of microcomputer protective relay device simulation system described in the utility model, the mould
Intend being additionally provided with multi-task scheduling device on device container.
As a kind of a kind of preferred version of microcomputer protective relay device simulation system described in the utility model, the mould
Intend being additionally provided with high-resolution timer on device container.
As a kind of a kind of preferred version of microcomputer protective relay device simulation system described in the utility model, the mould
Intend being additionally provided with real-time clock interface on device container.
As a kind of a kind of preferred version of microcomputer protective relay device simulation system described in the utility model, the void
Intend tester and also include stress_responsive genes module, alternation test module, manual test module, status switch module, time response
Test module and other test modules.
As a kind of a kind of preferred version of microcomputer protective relay device simulation system described in the utility model, the void
Intend tester to be communicated with the simulator container by communications protocol.
As a kind of a kind of preferred version of microcomputer protective relay device simulation system described in the utility model, the mould
Intend device container mutually to call by function pointer interface with the simulator plug-in unit.
Compared with prior art, the utility model proposes a kind of microcomputer protective relay device simulation system, it is main excellent
Point has the following aspects：
(1) microcomputer protective relay device core code module is write using standard C/C++, therefore directly can calculate
Transplanting compiling is carried out by VC on machine, core code can be simulated exploitation or auxiliary under no hardware condition without any change
Help analysis；
(2) each arbitrary boundary conditions of various protection algorisms can be tested using computer simulation technique, this is actual
Device is unable to reach ground, such as applies high current, and general test instrument is only capable of the electric current for applying certain hour scope certain numerical value, and
For computer is then limited without this, therefore protection device code robustness can be increased；
(3) actual device Parameter File can be imported, becoming in enterprises can directly on computers to live relay protection
Plant running parametric environmental is simulated test, greatly improves site problems analysis response speed, improves user satisfaction；
(4) fault model can be modeled using Matlab Simulink power system blocksets, derived phantom
Code file (C) can be embedded in simulator, can carry out closed-loop simulation, can simulated moving model simulated effect, it is well known that dynamic model is imitated
True cost is high, and the simulation is combined with Matlab Simulink can reduce testing cost, can carry out dynamic model emulation in actual device
Front change can be simulated in advance to power failure；
(5) simulator can be used as technical support training, publicity demonstration means, and need not carry actual device just can be to complete series
Microcomputer protective relay device carries out relevant presentation, can strengthen training and product demonstration effect；
(6) simulator supports communication function simulation, therefore no actual device or during without service condition at the scene, it is possible to provide
Stipulations joint debugging simulation is carried out to the system integration, the joint debugging time is reduced, field deployment work efficiency is improved.
Description of the drawings
In order to be illustrated more clearly that the technical scheme of this utility model embodiment, below will be to wanting needed for embodiment description
The accompanying drawing for using is briefly described, it should be apparent that, drawings in the following description are only some enforcements of the present utility model
Example, for those of ordinary skill in the art, without having to pay creative labor, can be with according to these accompanying drawings
Obtain other accompanying drawings.Wherein,
Fig. 1 is a kind of frame construction drawing of microcomputer protective relay device simulation system of the present utility model.
Wherein：1 it is simulator container, 11 be virtual test instrument interface, 12 is communication serial port drive interface, 13 to open into connecing
Mouthful, 14 for output interface, 15 be analog quantity interface, 16 be user-machine interface, 17 be communication network port driving interface, 18 be power down
Memory interface, 19 be multi-task scheduling device, 2 be simulator plug-in unit, 21 for drive calling interface, 22 be human-computer interface module, 23
For data acquisition module, 24 be relay protective scheme module, 25 be communication function module, 3 be virtual test instrument, 31 be stress_responsive genes mould
Block, 32 be alternation test module, 33 be manual test module, 34 be status switch module, 35 be time response test module, 36
For other test modules, 41 be high-resolution timer, 42 be real-time clock interface, 5 be communications protocol, 6 be function pointer interface.
Specific embodiment
A kind of microcomputer protective relay device simulation system described in the utility model, including simulator container 1, simulator
Plug-in unit 2 and virtual test instrument 3.
It is understandable to enable above-mentioned purpose of the present utility model, feature and advantage to become apparent from, with reference to being embodied as
Mode is described in further detail to this utility model.
First, " one embodiment " or " embodiment " referred to herein is referred to and may be included in this utility model at least one in fact
Special characteristic, structure or characteristic in existing mode." in one embodiment " that different places occur in this manual is not
Same embodiment is referred both to, nor single or selectively mutually exclusive with other embodiment embodiment.
Secondly, this utility model is described in detail using structural representation etc., when this utility model embodiment is described in detail,
For purposes of illustration only, representing that the schematic diagram of microcomputer protective relay device simulation system structure can be disobeyed general ratio and be made locally to put
Greatly, and the schematic diagram is example, its here should not limit the scope of this utility model protection.Additionally, in actual fabrication
In should include length, width and depth three dimensions.
Fig. 1 is referred to, Fig. 1 is a kind of frame structure of microcomputer protective relay device simulation system of the present utility model
Figure.As shown in figure 1, this utility model provides a kind of microcomputer protective relay device simulation system, including：Simulator container 1, mould
Intend device plug-in unit 2 and virtual test instrument 3, the simulator container 1 is provided with virtual test instrument interface 11, the simulator plug-in unit 2
Driving calling interface 21 is provided with, the virtual test instrument 3 passes through the virtual test instrument interface 11 with the simulator container 1
Connection, the simulator plug-in unit 2 is with the simulator container 1 by the driving calling interface 21.Described respectively below each
Individual partial function and interaction：
Part I：Simulator container 1, it is similar with computer virtual machine concept, transported for simulating microcomputer protective relay
Capable software and hardware resources.The protective relaying device hardware resource wherein simulated mainly has intake (including opening incoming interface 13), opens
Output includes (include outputing interface 14), analog quantity (including analog quantity interface 15), power down memorizer (including), high precision timing
Device 41, real-time clock (RTC) (including real-time clock interface 42), communication serial ports (including communication serial port drive interface 12), communication
Network interface (including communication network port driving interface 17) and user-machine interface (including user-machine interface 16).Software resource is main
It is to simulate the real-time multi-task operating system run by microcomputer protective relay, the simulator multi-task scheduling device 19 can be used
Tri- kinds of multi-task scheduling devices of UCOSII, RThread and PThread, these three multi-task scheduling devices have accordingly on computers
Simulated implementation, therefore microcomputer protective relay product typically in the design phase as far as possible from these three multiple task operating systems, this
Sample code can be public on embedded and computer, and transplanting change amount is little.
1 software and hardware resources interface of simulator container is mutual with Part II simulator plug-in unit 2 in 6 mode of function pointer interface
Call.Simulator plug-in unit 2 calls associated hardware interfaces by function pointer, such as reading RTC current system real-time clock times,
Reading open into, output the amount of outputing, read analog quantity, read-write power down memory data, by serial ports, network interface (Socket sockets)
Communicate with external system, and read key information and operation simulation liquid crystal function.Simulator container is in timer time simultaneously
Then, also simulator plug-in unit can be called to gather calculating and algorithm accordingly by function pointer, realizes analog hardware with simulation dress
Put the interaction of plug-in unit.
Intake simulation can pass through the switching signal of the operation interface simulation outside 0 or 1 that simulator container 1 is provided, and also may be used
Applied by the simulation of virtual test instrument 3 of Part III；The amount of outputing can pass through the operation interface display dress that simulator container 1 is provided
The current status information that each is outputed is put, also the virtual test instrument 3 that the amount of outputing feeds back to Part III can be shown；Simulation
Amount is generally of ac due to relay protection, main at present to be given by communicating transmitting order to lower levels by Part III virtual test instrument 3
Simulator container 1, is simulated according to the analog quantity parameter for issuing by simulator container 1；It is additionally provided with the simulator container 1
Power down memory interface 18, power down memorizer can be simulated using file mode, stored in binary file mode；It is high-precision fixed
When device 41 be simulated using computer media intervalometer, microsecond scale can be accurate to, the emulation to high sampling rate can be met
Simulation；Real-time clock is simulated using computer system time；Communication serial ports is simulated using serial ports of computers, there is provided string
Mouth driving interface is called for simulator plug-in unit and carries out packet sending and receiving；Network (Socket sockets) is socketed using computer Socket
Word drive interface, network IEC103, IEC104 and ModbusTcp communications protocol can be realized using the sockets interface；Man-machine boundary
The virtual liquid crystal that face is provided using simulator container 1, simulator plug-in unit 2 can carry out man machine interface mould by user-machine interface 16
Block 22 shows and operation.
Part II：Simulator plug-in unit 2, that is, microcomputer protective relay device business function simulation plug-in unit 2, the plug-in unit can
Simulate a variety of microcomputer protective relay devices.The plug-in unit mainly include data acquisition module 23, relay protective scheme module 24 and
The simulation of communication function module 25.The plug-in unit core code is basically identical with embedded equipment code (C or C++), or only need it is right
Microcomputer protective relay core code does cross-platform compatibility design, core code only by drive calling interface and actual hardware or
Simulator hardware is interacted, and this design can enable the more compatible more flush bonding processors of relay protection core code, transplanting
It is easier to new platform.
Data acquisition module 23 is gathered such as to open and is entered by the driving calling interface 21 that simulator container is provided into, analog quantity
Row is obtained；Relay protective scheme module 24 is only come into contacts with service logic memory variable due to being pure software algorithm；Communication function module
25 transmitting-receivings that message data is carried out by the driving interface that simulator container is provided；Human-computer interface module 22 passes through simulator container
The driving interface of offer obtains key value and carries out liquid crystal analog information.
Simulator plug-in unit 2 is compiled into dynamic base (DLL) form, simulator container only one of which, and simulator plug-in unit is according to being
Row different device demand, has multiple different DLL, and simulator can allow user to select device model to be simulated after starting, in fact
Namely select to want dynamic to import to dynamic base DLL.This method can make hardware simulation completely separable with service analogue, enhance
Simulator versatility and usability.
Part III：Virtual test instrument 3, that is, the computer simulation tester of relay-protection tester, principle is logical
Cross computer software algorithm analog quantity, intake and the amount of outputing simulation output and acquisition function, test are provided to simulator container 1
Functional module mainly include manual test module 33, status switch module 34, alternation test module 32, stress_responsive genes module 31,
Time response test module 35 and other test modules 36 etc., test function can actual microcomputer protective relay device needs at all
Defencive function is expanded.
Virtual test instrument 3 is by debugging agreement 5 (Tcp Socket socket communication modes) and the simulator of Part I
Container 1 is communicated, and simulator container 1 is resident virtual test instrument real-time simulation interface, is mainly used in receiving the survey of virtual test instrument
Trial business control command, the amount of outputing for producing various analog quantitys, intake and the plug-in unit output of collection simulator in real time are surveyed
Trial is engaged in back examining.
By virtual test instrument 3, various signal input states, even unstable working environment, one side can be simulated
Microcomputer protective relay algorithm and its robustness can be verified in product development process, on the other hand, can visually to engineering staff
It is and user carries out product introduction, measurement and protects the functions such as simulation, liquid crystal interface simulation shows, vivid, while in school
Good research and teaching meaning can also be played.
To sum up, this microcomputer protective relay device simulation system is simulator technology, is the software and hardware using computer
Software and hardware resources and apparatus function that resource simulation microcomputer protective relay device is used, can break away from numerous using the simulator technology
The constraint of embedded chip, can allow developer to focus more on the simulation of microcomputer protective relay device feature, proof of algorithm, visualization
The aspects such as training.Microcomputer protective relay device is mainly used in the exception for gathering with analysis electric power system fault and jeopardizing safe operation
Operating mode, to inquire into the anti-accident automation equipment of its countermeasure.The object simulated by the simulator for my company's seriation microcomputer after
Electrical protective device, the Series Microcomputer protective relaying device are to integrate the several functions such as measurement, control, monitoring, protection, communication
Power automation new high-tech product, be constitute intelligent switchboard system preferable electric appliance unit.The Series Microcomputer relay protection
Device mainly includes following functions：
1), several functions is highly integrated, flexible to configure, and possesses the man machine interface of close friend, can be used as 35KV and following
The isolated neutral system of electric pressure, small resistance grounding system, arc suppression coil earthing system, all kinds of electricity of solidly grounded system
The protection and observing and controlling of device equipment and circuit, also can be used as the protection of the voltage x current of system in 66KV, 110KV electric pressure of part
And observing and controlling.
2) there is advanced inner core, high-speed computation ability and real time signal processing etc. using 32-bit number processor,
Advantage.
3), support that conventional RS485 buses and ethernet communication, communication protocol support that IEC103, Modbus and numeral become
Power station IEC61850MMS stipulations.
4), perfect self-test capability, finds device exception automatic alarm.
It should be noted that above example is only to illustrate the technical solution of the utility model and unrestricted, although reference
Preferred embodiment has been described in detail to this utility model, it will be understood by those within the art that, can be to this reality
Modified with new technical scheme or equivalent, without deviating from the spirit and scope of technical solutions of the utility model,
Which all should be covered in the middle of right of the present utility model.
Claims (7)
1. a kind of microcomputer protective relay device simulation system, it is characterised in that include：Simulator container, simulator plug-in unit and
Virtual test instrument, the simulator container are provided with virtual test instrument interface, and the simulator plug-in unit is provided with driving and calls and connects
Mouthful, the virtual test instrument is connected by the virtual test instrument interface with the simulator container, the simulator plug-in unit and
The simulator container by the driving calling interface, the simulator container be provided with communication serial port drive interface, open into
Interface, interface, analog quantity interface, user-machine interface and communication network port driving interface are outputed, the simulator plug-in unit is provided with
Human-computer interface module, data acquisition module, relay protective scheme module and communication function module, the human-computer interface module, data are adopted
Collection module, relay protective scheme module and communication function module are connected with the driving calling interface respectively.
2. microcomputer protective relay device simulation system as claimed in claim 1, is characterized in that：On the simulator container also
It is provided with power down memory interface.
3. microcomputer protective relay device simulation system as claimed in claim 1, is characterized in that：On the simulator container also
It is provided with multi-task scheduling device.
4. microcomputer protective relay device simulation system as claimed in claim 1, is characterized in that：On the simulator container also
It is provided with high-resolution timer.
5. microcomputer protective relay device simulation system as claimed in claim 1, is characterized in that：On the simulator container also
It is provided with real-time clock interface.
6. microcomputer protective relay device simulation system as claimed in claim 1, is characterized in that：The virtual test instrument passes through
Communications protocol is communicated with the simulator container.
7. microcomputer protective relay device simulation system as claimed in claim 1, is characterized in that：The simulator container and institute
State simulator plug-in unit mutually to call by function pointer interface.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201621039542.0U CN206096792U (en) | 2016-09-06 | 2016-09-06 | Microcomputer based relay protec tion system simulator system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201621039542.0U CN206096792U (en) | 2016-09-06 | 2016-09-06 | Microcomputer based relay protec tion system simulator system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106227065A (en) * | 2016-09-06 | 2016-12-14 | 南京大全自动化科技有限公司 | A kind of microcomputer protective relay device simulation system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106227065A (en) * | 2016-09-06 | 2016-12-14 | 南京大全自动化科技有限公司 | A kind of microcomputer protective relay device simulation system |
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