CN101557102A - General-purpose simulation device for microcomputer protection - Google Patents
General-purpose simulation device for microcomputer protection Download PDFInfo
- Publication number
- CN101557102A CN101557102A CNA2009100279822A CN200910027982A CN101557102A CN 101557102 A CN101557102 A CN 101557102A CN A2009100279822 A CNA2009100279822 A CN A2009100279822A CN 200910027982 A CN200910027982 A CN 200910027982A CN 101557102 A CN101557102 A CN 101557102A
- Authority
- CN
- China
- Prior art keywords
- protection
- switching value
- main control
- control system
- input unit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Landscapes
- Emergency Protection Circuit Devices (AREA)
Abstract
The invention discloses a general-purpose simulation device for microcomputer protection. The simulation device comprises a main control system, an analog input unit, a switch input unit and a switch output unit, wherein, the main control system comprises a touch screen and the touch screen serves as a panel display of the protection device and stimulates operations; the analog input unit collects the analog values of current and voltage and communicates with the main control system; the switch input unit collects the switch values and communicates with the main control system; and the switch output unit communicates with the main control system and carries out the output of the simulated protection device. By simulating the devices for protecting lines, transformers and buses at the voltage of 220kV and below, the invention can realize the action logic in accordance with the simulated protection device, conduct the inspection of protection by inputting currents and voltages identical to those on the on-site protection screen and outputting actions, and provides operations identical to the interface of the actual protection devices so as to train the relay protection personnel.
Description
Technical field
The present invention relates to general-purpose simulation device for microcomputer protection, operation, input and output and the action logic of the various semaphores of protective device carried out emulation.
Background technology
The protective relaying device of electric power system is the important device of the normal operation of protection primary equipment; for the correctness of checking action logic of protective device and parameter configuration needs regularly carry out verification to protection, need give training the staff for professional skill and the ability that improves the relaying protection staff simultaneously.Protective relaying device has been in running status usually when putting into overhaul with the operations staff; because the continuity of power system power supply; the microcomputer protecting device that puts into operation does not allow to be used for testing, training, and therefore provides a cover Microcomputer Protection emulation test system to have crucial meaning for the Microcomputer Protection technical merit that improves transformer station's maintenance and operations staff, supervisory engineering staff and college teaching
Meanwhile, the development of microcomputer protecting device itself is also very rapid, and new microcomputer protecting device is constantly released, and this quality to relaying protection maintenance and operations staff is had higher requirement.General-purpose simulation device for microcomputer protection can provide an emulation platform, carries out the verification training of multiple microcomputer protecting device, finishes to comprise on-the-spot operation simulation training field test emulation and the work of accident assistant analysis etc.
Summary of the invention
The objective of the invention is to: design a kind of general-purpose simulation device for microcomputer protection; emulation 220kV and following route protection, tranformer protection and protection equipment for busbar; realize with by the consistent action logic of emulation protective device; carry out the input and the action output of identical current/voltage with the protection screen at scene; finish the protection check; operation with real protection device same interface is provided, and personnel give training to relaying protection.
Technical scheme of the present invention is: general-purpose simulation device comprises rack, in the front of the protection screen of rack or back side installation and control main frame, auxiliary touch-screen, analog input unit, switching value input unit, switching value output unit, printer constitute simulator; Described main control system comprises a touch-screen, carries out the panel demonstration of protective device and the emulation of operation; Described analog input unit is finished the current/voltage analog acquisition, and communicates with main control system; Described switching value input unit is finished the collection of switching value, and communicates with main control system; Described switching value output unit and main control system communicate, and carry out the output of emulation protective device.
In the general-purpose simulation device for microcomputer protection of the present utility model, pressing plate, diverter switch, input and output terminal row and mains switch are installed on the protection screen.
In the general-purpose simulation device for microcomputer protection of the present utility model, universal wheel is installed in the bottom of rack.
Described analog input unit has a USB interface; communicate with main control system, 60 road current input terminal are arranged, 20 road voltage input end; other analog signals input terminal of two-way satisfies the analog quantity input requirement of 220kV and following route protection, bus protection and tranformer protection.
Described switching value input unit has a USB interface; communicate with main control system; 100 way switch amount input terminals are arranged; 60 road terminals are used for protection screen top board, the input of diverter switch signal; 40 road terminals are used to import switching value signals such as disconnecting link, circuit-breaker status, satisfy the switching value input requirement of 220kV and following route protection, tranformer protection and bus protection.
Described switching value output unit has a USB interface; the instruction of reception main control system; the output of driving relay; have 80 tunnel outputs; wherein 40 the tunnel export various hard contact point signals; 40 the tunnel are used for the breaker tripping and closing control of circuit breaker, and the output of trip(ping) circuit seals in the pressing plate on the protection screen, and maximum satisfies bus protection tripping operation output requirement.
Described main control system is the high-performance industrial computer; additional auxiliary touch-screen; the touch-screen that industrial computer itself carries is used for showing the interface of the protective device that discrete component constitutes; the perhaps main protection equipment interface of the protective device that constitutes of multicomponent; auxiliary touch-screen is used for showing the interface of the protective device that multicomponent constitutes; backup protection interface as tranformer protection; the interface that touch-screen is simulated is with in full accord by the protective device of emulation; output has identical touch key-press and same menu with liquid crystal to show identical panel, carries out definite value; calling etc. of the modification of control word and parameter.
Described main control system emulation 220kV and following route protection, tranformer protection and protection equipment for busbar; with the duplicate input and output of true protective device; the action logic of protective device can be upgraded with the upgrading of protection manufacturer software version, can constantly add new protective device type.
Described main control system is when carrying out the protective device check, and record forms protective device input, output parameter record, operation note automatically, generates the verification report automatically, and printable.
Link to each other by USB interface between the input of described main control system and analog quantity, the switching value input-output unit.
The technique effect of general-purpose simulation device for microcomputer protection of the present invention is: 1, provide and by on all four interface of the protective device of emulation and mode of operation, input and output and action logic are identical, can protect verification exercise, training and teaching etc.; 2, main control system carries out emulation to electric power system 220kV commonly used and following circuit, transformer and protection equipment for busbar, provide with by emulation protective device the same graphical interfaces in kind, the control button that shows on the touch-screen can be operated, method of operation is complete in consistent by the emulation protective device with the output demonstration, and the main control system action logic is with consistent by the action logic of emulation protective device; 3, auxiliary touch-screen provide with by emulation protective device the same graphical interfaces in kind, the control button that shows on the touch-screen can be operated, method of operation is complete in consistent by the emulation protective device with effect; 4, analog input unit converts the current/voltage analog quantity to digital quantity, and communicates with main control system; 5, the switching value input unit is gathered pressing plate, diverter switch and external switch amount input signal, and semaphore coding back is communicated with main control system; 6, switching value output unit and main control system communicate, and action logic and signal logic that main control system sends are exported by relay tip; 7, be connected by the USB2.0 interface between main control system and analog input unit, switching value input unit and the switching value output unit, satisfy the high-speed transfer requirement of data acquisition and action logic output; 8, general-purpose simulation device for microcomputer protection can carry out emulation to the different editions of the various model protective devices of different manufacturers, can increase emerging protective device type and the emulation logic of original type protective device is made amendment.
Description of drawings
Fig. 1 is the positive block diagram of arranging of general-purpose simulation device for microcomputer protection protection screen
Fig. 2 is that block diagram is arranged at the general-purpose simulation device for microcomputer protection protection screen back side
Fig. 3 is a general-purpose simulation device for microcomputer protection structural principle block diagram
Fig. 4 is Fig. 3 analog input unit schematic block circuit diagram
Fig. 5 is Fig. 3 switching value input-cell circuitry theory diagram
Fig. 6 is Fig. 3 switching value output unit schematic block circuit diagram
Fig. 7 is Fig. 3 main control system main program flow block diagram
Embodiment
In conjunction with the accompanying drawings the specific embodiment of the invention is described further as follows:
As Figure 1-3, general-purpose simulation device for microcomputer protection comprises rack, front or back side installation and control main frame, auxiliary touch-screen, analog input unit, switching value input unit, switching value output unit and printer at the protection screen of rack constitute simulator, pressing plate, diverter switch, input and output terminal row, mains switch also are installed on the described protection screen, and universal wheel is installed in the bottom of rack; Described analog input unit is connected to form by little instrument transformer, AD conversion unit, CPU and USB2.0 interface; Described switching value input unit is connected to form by photoelectrical coupler, switch acquisition unit, CPU and USB2.0 interface; Described switching value output unit has USB2.0 interface, CPU, output driving and relay board to connect to form; Described terminal board has current input terminal, voltage input end, opens into amount input terminal and the amount of leaving lead-out terminal; There are protected location, measuring unit, control unit, monitoring means, communication unit, failure wave-recording unit, event recording unit in the protection simulation software; Described main control system is an industrial computer, comprise a touch-screen, join by expansion VGA interface board and auxiliary touch-screen, link to each other with printer, link to each other with analog input unit, switching value input unit, switching value output unit by the USB2.0 interface by the LPT parallel port.
As shown in Figure 4; described analog input unit is mainly used to gather electric current, voltage and the transformer temperature of object of protection; convert voltage signal from the electric current and voltage and the temperature signal of tester or other device inputs to through instrument transformer/transmitter; convert digital signal to by AD conversion unit and send into CPU; send industrial computer by USB interface with sampled result after the filtering of CPU process, the computing; each input variable of analog input unit is by the prior initialization of protection simulated program; only definition and the input variable that is adapted by emulation protection equipment, other input variables are with conductively-closed.
As shown in Figure 5; described opening into the amount input unit is mainly used to gather all kinds of pressing plates and outside input switch amount signal; become digital signal to send into CPU by the switch acquisition cell translation; CPU send main control system by the USB2.0 interface with sampled result through behind the operation coding; each switch input variable of switching value input unit is by the prior initialization of protection simulated program; only definition and the switch input variable that is adapted by emulation protection equipment, other switch input variables are with conductively-closed.
As shown in Figure 6; described switching value output unit is mainly used to output protection actuating signal and tripping operation contact; device receives the main control system instruction by the USB2.0 interface; to export the amount of leaving instruction accordingly by CPU and remove driver element; export corresponding contact by relay again; each output variable of switching value output unit makes corresponding switch output variable with corresponding by the output of emulation protection equipment by the initialization of protection simulated program elder generation.
As shown in Figure 7, main control system is made of industrial computer, adopt windows operating system, automatically load the protection simulated program behind the os starting, a large amount of 220kV and following route protection are provided in the equipment library of simulated program, tranformer protection and protection equipment for busbar protection type, according to protection producer, the equipment protection model, software version number is selected the protection equipment of the emulation of wanting, protection equipment for transformer must be selected whole protection equipment by the complete protection that a plurality of protection equipment constitute, determine the protection equipment and the version number thereof of the good emulation of wanting, on the touch-screen of main control system, will show with by the corresponding to outward appearance of emulation protection equipment, comprise LCDs, status lamp and input button; If the protective device that constitutes by multicomponent, then at the interface of assisting screen displaying remaining element equipment, for example, by the protective device of emulation is the state electricity south differential protection unit PST1203A certainly and the complete tranformer protection screen of GPST1200 of backup protection unit PST1204A formation, then will show PST1203A interface, differential protection unit on the touch-screen of industrial computer, auxiliary screen displaying backup protection unit PST1204A interface; The protection device keys of the demonstration on the touch-screen of industrial computer and the auxiliary touch-screen is with real equipment is the same can operate; the LCD of the protective device of emulation and real protective device provide corresponding to response output and menu on the touch-screen, protect the operations such as inquiry, modification and parameter call of definite value.
Call interface program simultaneously, simulated program also carries out initialization to analog input unit, switching value input-output unit; In the input variable of analog input unit, electric current, voltage input signal are defined, make its input signal, the input that does not use is covered, improve program efficiency with corresponding by the protective device of emulation; As protecting for state's electricity south GPST1200 serial transformer certainly; with 1-3 current input terminal sub-definite is high-pressure side differential protection electric current input; with 4-6 current input terminal sub-definite is the input of medium voltage side differential protection electric current; with 7-9 current input terminal sub-definite is the input of low-pressure side differential protection electric current; with 11-13 current input terminal sub-definite is the input of high-pressure side backup protection electric current; with 14-16 current input terminal sub-definite is the input of medium voltage side backup protection electric current; with 17-19 current input terminal sub-definite is the input of low-pressure side backup protection electric current; in voltage input end the input of 1-4 voltage is defined as the input of high-voltage side bus voltage; the input of 5-8 voltage is defined as the input of medium voltage side busbar voltage, the input of 9-12 voltage is defined as the input of low-pressure side bus voltage.
In the input variable of switching value input unit, switch input signal is defined, make its input signal, the input that does not use is covered, improve program efficiency with corresponding by the protective device of emulation; As for state electricity south from the GPST1200 tranformer protection; the input of 1-40 switching value is defined as the pressing plate input; the input of 61-70 switching value is defined as the input of coherent signals such as high-pressure side isolating switch, circuit breaker; the input of 71-80 switching value is defined as the input of coherent signals such as medium voltage side isolating switch, circuit breaker; 81-90 switching value input is defined as the input of coherent signals such as low-pressure side isolating switch, circuit breaker, the input of 91-96 switching value is defined as the input of switching value signals such as transformer gas, temperature.
In the switching value output unit, guard signal and protection outlet are defined, make its input signal, the switch output variable that does not use is covered, improve program efficiency with corresponding by the protective device of emulation; As for state's electricity south GPST1200 tranformer protection certainly, the 1-6 switching value is defined as the differential protection outlet, with 9-15 switching value definition backup protection outlet, 18-24 switching value is defined as the non electrical quantity protection exports; 31-50 switching value is defined as signal outlet.
The basic functional principle of general-purpose simulation device for microcomputer protection: the current/voltage input variable process analog-to-digital conversion of analog input unit and the switching value of switching value input unit are delivered to main control system by USB interface after single-chip microcomputer is handled; The function of the data based protective device that simulated program will be sent on the one hand shows; Carry out analyzing and processing according to the protective device action logic on the other hand; When add simulation and switch input variable meet protection definite value or corresponding action condition, by USB interface command switch amount output unit output corresponding relays contact, on display screen, show simultaneously corresponding status signal and liquid crystal panel output, realize with by the identical defencive function of emulation protective device; General-purpose simulation device for microcomputer protection can also carry out record to the analog quantity and the switch input variable of input, carries out failure wave-recording, generates verification report and protection action report automatically, by main control system and printer output.
Claims (7)
1. general-purpose simulation device for microcomputer protection, it is characterized in that: general-purpose simulation device comprises rack, in the front of the protection screen of rack or back side installation and control main frame, auxiliary touch-screen, analog input unit, switching value input unit, switching value output unit, printer constitute simulator, main control system connects printer by the LPT parallel port, main control system connects auxiliary touch-screen by the VGA interface, and main control system connects analog input unit, switching value input unit and switching value output unit by USB interface; Described main control system comprises a touch-screen, carries out the panel demonstration of protective device and the emulation of operation; Described analog input unit is finished the current/voltage analog acquisition, and communicates with main control system; Described switching value input unit is finished the collection of switching value, and communicates with main control system; Described switching value output unit and main control system communicate, and carry out the output of real emulation protective device.
2. general-purpose simulation device for microcomputer protection according to claim 1 is characterized in that: pressing plate, diverter switch, input and output terminal row and mains switch are installed on the protection screen.
3. general-purpose simulation device for microcomputer protection according to claim 1 is characterized in that: universal wheel is installed in the bottom of rack.
4. general-purpose simulation device for microcomputer protection according to claim 1 is characterized in that: described analog input unit is connected to form by little instrument transformer, AD conversion unit, CPU and USB interface.
5. general-purpose simulation device for microcomputer protection according to claim 1 is characterized in that: described switching value input unit is connected to form by electric coupling, switch acquisition unit, CPU and USB interface.
6. general-purpose simulation device for microcomputer protection according to claim 1 is characterized in that: described switching value output unit is connected to form by USB interface, CPU output driver and relay.
7. general-purpose simulation device for microcomputer protection according to claim 2 is characterized in that: described terminal board has current input terminal, voltage input end, switching value input terminal and switching value lead-out terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2009100279822A CN101557102A (en) | 2009-05-15 | 2009-05-15 | General-purpose simulation device for microcomputer protection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2009100279822A CN101557102A (en) | 2009-05-15 | 2009-05-15 | General-purpose simulation device for microcomputer protection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101557102A true CN101557102A (en) | 2009-10-14 |
Family
ID=41175098
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2009100279822A Pending CN101557102A (en) | 2009-05-15 | 2009-05-15 | General-purpose simulation device for microcomputer protection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101557102A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102437550A (en) * | 2011-12-31 | 2012-05-02 | 南京因泰莱电器股份有限公司 | Microcomputer relay protection device based on serial bus technology |
| CN102590603A (en) * | 2012-02-15 | 2012-07-18 | 江苏省电力公司徐州供电公司 | Through flow sampling method of check protection device |
| CN102636997A (en) * | 2012-05-13 | 2012-08-15 | 马玉春 | Simulation method for analog input and switch output module |
| CN102723007A (en) * | 2012-05-22 | 2012-10-10 | 江苏省电力公司泰州供电公司 | Multi-functional analog simulation device for microcomputer protection |
| CN102761107A (en) * | 2011-04-28 | 2012-10-31 | 肖磊 | Voltage protection device |
| CN104237662A (en) * | 2013-06-14 | 2014-12-24 | 国家电网公司 | Automatic protection function verifying method for microcomputer type main transformer differential protection device |
| CN107481596A (en) * | 2017-07-17 | 2017-12-15 | 国网河北省电力公司培训中心 | A kind of power transformer Microcomputer Protection self-adapting simulation implementation method |
| CN110134031A (en) * | 2018-12-12 | 2019-08-16 | 诚启(武汉)智能机器有限公司 | A kind of switch acquisition control system |
-
2009
- 2009-05-15 CN CNA2009100279822A patent/CN101557102A/en active Pending
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102761107A (en) * | 2011-04-28 | 2012-10-31 | 肖磊 | Voltage protection device |
| CN102437550A (en) * | 2011-12-31 | 2012-05-02 | 南京因泰莱电器股份有限公司 | Microcomputer relay protection device based on serial bus technology |
| CN102437550B (en) * | 2011-12-31 | 2014-07-02 | 南京因泰莱电器股份有限公司 | Microcomputer relay protection device based on serial bus technology |
| CN102590603A (en) * | 2012-02-15 | 2012-07-18 | 江苏省电力公司徐州供电公司 | Through flow sampling method of check protection device |
| CN102590603B (en) * | 2012-02-15 | 2014-07-02 | 江苏省电力公司徐州供电公司 | Through flow sampling method of check protection device |
| CN102636997A (en) * | 2012-05-13 | 2012-08-15 | 马玉春 | Simulation method for analog input and switch output module |
| CN102723007A (en) * | 2012-05-22 | 2012-10-10 | 江苏省电力公司泰州供电公司 | Multi-functional analog simulation device for microcomputer protection |
| CN104237662A (en) * | 2013-06-14 | 2014-12-24 | 国家电网公司 | Automatic protection function verifying method for microcomputer type main transformer differential protection device |
| CN107481596A (en) * | 2017-07-17 | 2017-12-15 | 国网河北省电力公司培训中心 | A kind of power transformer Microcomputer Protection self-adapting simulation implementation method |
| CN110134031A (en) * | 2018-12-12 | 2019-08-16 | 诚启(武汉)智能机器有限公司 | A kind of switch acquisition control system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101557102A (en) | General-purpose simulation device for microcomputer protection | |
| CN102332709B (en) | Equivalent high-voltage direct-current transmission direct-current protection digital simulation method and system | |
| CN102937685B (en) | The integrated testing platform of a kind of transformer station based on Real-time Simulation Technology | |
| CN106527181B (en) | A kind of electrical power distribution automatization system emulation test method based on communication network | |
| CN103076520A (en) | Dynamic analogue simulation detection platform and analogue simulation method for secondary system of intelligent substation | |
| CN202362965U (en) | Microcomputer protection universal simulation device | |
| CN101515014B (en) | Analog device of control cabinet matched with detection switch apparatus | |
| CN101782774B (en) | DC field layer simulation system, digital real-time emulation system and closed loop test system | |
| CN103258452A (en) | Virtuality and reality combination urban railway transit analog simulation practical training device and method | |
| CN101153884A (en) | Relay-protection steady-state digital moving die test system | |
| CN108982996B (en) | Outdoor scene substitution type extra-high voltage direct current protection field testing device | |
| CN201893058U (en) | Safe simulation training system for distribution room | |
| CN104166399A (en) | Moving die simulation test system and method for intelligent substation protection device | |
| CN203117313U (en) | Dynamic simulation and emulation detecting platform for intelligent substation secondary system | |
| CN209624731U (en) | One or two fusion panel switches integration transmission agency detection systems | |
| CN101750555A (en) | Spare automatic switching comprehensive tester | |
| CN105137958B (en) | The detection means and detection method of power supply master control borad under railcar | |
| CN202929141U (en) | Multi-channel integrative test system | |
| CN103077632B (en) | Isolation disconnecting link electric operating mechanism training device | |
| CN201319052Y (en) | Auto-switch-on integrated tester | |
| CN104267283A (en) | Platform and method for testing process layer to spacer layer of digital substation | |
| CN201255955Y (en) | Integrated automation experimental system for transforming plant | |
| CN205665872U (en) | Resident smart electric meter copies nuclear and receives simulation teching device | |
| CN109634849B (en) | Visual signal interaction intelligent substation reconstruction and extension virtual testing device and method | |
| CN201750231U (en) | Digital transformer station multifunctional protection device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20091014 |