CN106950851A - A kind of IGCT simulator and IGCT semi-physical emulation platform - Google Patents
A kind of IGCT simulator and IGCT semi-physical emulation platform Download PDFInfo
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- CN106950851A CN106950851A CN201710153886.7A CN201710153886A CN106950851A CN 106950851 A CN106950851 A CN 106950851A CN 201710153886 A CN201710153886 A CN 201710153886A CN 106950851 A CN106950851 A CN 106950851A
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- 238000004088 simulation Methods 0.000 claims abstract description 40
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- 101100499229 Mus musculus Dhrsx gene Proteins 0.000 claims description 27
- 230000005611 electricity Effects 0.000 claims description 10
- 238000012545 processing Methods 0.000 claims description 4
- 238000005259 measurement Methods 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 238000012544 monitoring process Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000001052 transient effect Effects 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B17/00—Systems involving the use of models or simulators of said systems
- G05B17/02—Systems involving the use of models or simulators of said systems electric
Abstract
The present invention relates to a kind of IGCT simulator and IGCT semi-physical emulation platform, emulation platform therein includes the IGCT simulator that operation simulation software, the be stored with computer of IGCT device emulation model and one are connected with dataphone；IGCT simulator is used to receive the control signal for coming from an IGCT control protective unit, and transmits control signals to the computer；Simulation software in computer generates simulation process data according to control signal and IGCT device emulation model；IGCT simulator receives the simulation process data that simulation software is produced, and IGCT control protective unit is given by simulation process data forwarding.The emulation platform of the present invention disclosure satisfy that IGCT simulator state change emulates demand, and cost is relatively low, and cost performance is high.
Description
Technical field
The present invention relates to a kind of IGCT simulator and IGCT semi-physical emulation platform, belong to dc circuit breaker skill
Art field.
Background technology
Thyristor switch is important element in flexible AC-HVDC, is widely used in Thyristor Controlled in parallel
In the power system products such as reactor (TCR), thuristor throw-in and throw-off shunt capacitor (TSC) and dc circuit breaker.Because IGCT is opened
The structure and control relay protective scheme of pass are complicated, it is necessary to strict software and hardware emulation be carried out, to verify IGCT before networking puts into operation
The performances such as correctness, reliability and the stability of switch.
At present, the conventional emulation platform of in the market is RTDS/RT-LAB Digital Simulation instrument, and the Digital Simulation instrument is a kind of real
When digital electro-magnetic transient power system simulation device, using advanced software and hardware technology, ac and dc systemses can be carried out real
When accurately emulate, it is but expensive, it is necessary to spend hundreds of thousands of dollars.
Therefore, work out while a kind of achievable thyristor switch is accurately emulated in real time and cheap emulation platform
Seem very necessary.
The content of the invention
It is an object of the invention to provide a kind of IGCT simulator and IGCT semi-physical emulation platform, for solution
The problem of certainly the emulation cost of IGCT is higher.
In order to solve the above technical problems, the invention provides a kind of IGCT simulator, including following scheme：
Device scheme one：The simulator is used to receive the control signal for coming from an IGCT control protective unit,
And the control signal is transferred to the computer of an operation simulation software, the IGCT device emulation model that is stored with；The crystalline substance
Brake tube simulator receives the simulation process data that the simulation software is produced, and the crystalline substance is given by the simulation process data forwarding
Brake tube control protective unit.
Device scheme two：On the basis of device scheme one, the simulation process data include line voltage distribution amount, line electricity
Flow, phase difference and the position of the switch.
Device scheme three, four：Respectively on the basis of device scheme one, two, the control signal includes dividing/reclosing command
And start pulse signal.
Device scheme five, six：Respectively on the basis of device scheme three, four, the IGCT simulator includes backboard,
Communication board is connected with the backboard, the communication board is provided with the serial communication unit for being used for being connected with computer.
Device scheme seven, eight：Respectively on the basis of device scheme five, six, pulse recognition plate is connected with the backboard,
The pulse recognition plate is same for the phase issued according to the start pulse signal and simulation software of IGCT control protective unit
Signal of change Trigger Angle is walked, and the Trigger Angle is transmitted to the communication board.
Device scheme nine, ten：Respectively on the basis of device scheme five, six, quick I O board, institute are connected with the backboard
State quick I O board be used to receiving IGCT control protective unit point/reclosing command, and be transmitted to the communication board.
Device scheme 11,12：It is defeated that voltage is connected with respectively on the basis of device scheme five, six, on the backboard
Ejecting plate and electric current output board, the voltage output plate are used for the digital voltage amount for receiving the communication board, and convert thereof into mould
Analog quantity is exported to the IGCT control protective unit；The electric current output board is used for the digital current for receiving the communication board
Amount, and changed into analog output to the IGCT control protective unit.
Device scheme 13,14：Respectively on the basis of device scheme 11,12, record is connected with the backboard
Ripple plays back plate, and the wave record playback plate is used for the analog voltage amount after IGCT simulator processing, simulation electricity
Flow and point/reclosing command carries out record ripple and playback.
Present invention also offers a kind of IGCT semi-physical emulation platform, including following scheme：
Platform scheme one：The emulation platform includes an operation simulation software, be stored with IGCT device emulation model
Computer and an IGCT simulator being connected with the dataphone；The IGCT simulator comes from for reception
The computer is transferred in the control signal of an IGCT control protective unit, and by the control signal；In the computer
Simulation software simulation process data are generated according to the control signal and the IGCT device emulation model；The IGCT
Simulator receives the simulation process data that the simulation software is produced, and the IGCT is given by the simulation process data forwarding
Control protective unit.
Platform scheme two：On the basis of platform scheme one, the simulation software is PSCAD or MATLAB.
Platform scheme three, four：Respectively on the basis of platform scheme one, two, the simulation process data include line electricity
Pressure amount, line electricity flow, phase difference and the position of the switch.
Platform scheme five, six：Respectively on the basis of platform scheme three, four, the control signal includes dividing/reclosing command
And start pulse signal.
Platform scheme seven, eight：Respectively on the basis of platform scheme five, six, the IGCT simulator includes backboard,
Communication board is connected with the backboard, the communication board is provided with the serial communication unit for being used for being connected with computer.
Platform scheme nine, ten：Respectively on the basis of platform scheme seven, eight, pulse recognition plate is connected with the backboard,
The pulse recognition plate is same for the phase issued according to the start pulse signal and simulation software of IGCT control protective unit
Signal of change Trigger Angle is walked, and the Trigger Angle is transmitted to the communication board.
Platform scheme 11,12：Respectively on the basis of platform scheme seven, eight, quick IO is connected with the backboard
Plate, the quick I O board be used to receiving IGCT control protective unit point/reclosing command, and be transmitted to the communication board.
Platform scheme 13,14：It is defeated that voltage is connected with respectively on the basis of platform scheme seven, eight, on the backboard
Ejecting plate and electric current output board, the voltage output plate are used for the digital voltage amount for receiving the communication board, and convert thereof into mould
Analog quantity is exported to the IGCT control protective unit；The electric current output board is used for the digital current for receiving the communication board
Amount, and changed into analog output to the IGCT control protective unit.
Platform scheme 15,16：Respectively on the basis of platform scheme 13,14, record is connected with the backboard
Ripple plays back plate, and the wave record playback plate is used for the analog voltage amount after IGCT simulator processing, simulation electricity
Flow and point/reclosing command carries out record ripple and playback.
The beneficial effects of the invention are as follows：IGCT semi-physical emulation platform is made up of two parts, and a part is operation emulation
The computer of software, the IGCT device emulation model that is stored with, another part is IGCT simulator, and computer is by using emulation
Software sets up simulation model, and the order that IGCT control protective unit is provided is calculated by simulation model, generates simulation process number
According to and feed back to IGCT control protective unit；And IGCT simulator then play computer and IGCT control protective unit it
Between link up, the function of data conversion, such as, the control signal that IGCT control protective unit is issued is sent to simulation software；
Simulation process data that simulation software is generated simultaneously are transmitted to IGCT control protective unit；By the emulation platform, realize
The HWIL simulation of IGCT, can meet the demand that high-volume IGCT control device tests user, without expensive imitative
True equipment, it is only necessary to which a computer and an IGCT simulator are that can be achieved, and reduce emulation cost, cost performance is high.
Brief description of the drawings
Fig. 1 is emulation platform building block diagram；
Fig. 2 is the configuration figure of IGCT simulator；
Fig. 3 is the signal transmission of IGCT simulator.
Embodiment
The embodiment to the present invention is described in further details below in conjunction with the accompanying drawings.
In the present embodiment, IGCT emulation platform is installed by computer (such as PC or industrial computer) PSCAD softwares and serial ports
Communication module, IGCT simulator, IGCT control protective unit and computer monitor backstage composition, emulation platform building frame
Figure is as shown in Figure 1.Wherein, PSCAD softwares are communicated by serial communication modular with IGCT simulator, IGCT control
Protection device sends control signal to IGCT simulator, and receives the simulation process data letter from IGCT simulator
Breath, computer monitor backstage is communicated using RJ45 serial ports with IGCT control protective unit.Wherein, PSCAD and IGCT are imitative
True device together form IGCT semi-physical emulation platform.
Each device or module in above-mentioned emulation platform are described in further detail below.
1st, PSCAD and serial communication modular
PSCAD, as more common power system simulation software, is a kind of advanced power system mesomeric state, transient emulation work
Tool, it is adaptable to which theoretical property is emulated, and belongs to prior art.In the present embodiment, PSCAD is mainly used in setting up simulation model, also may be used
The other software of modeling function required in the present embodiment can be either realized with Matlab to substitute.
Serial communication modular writes Serial Port Communication Software function using instruments such as VC on windows platform, is mainly used in
Realize the serial communication between PSCAD and IGCT simulator.Certainly, also PSCAD can be realized using other communication interfaces
Information between IGCT simulator is exchanged.
2nd, IGCT simulator
IGCT simulator is the hardware components of IGCT semi-physical emulation platform, as shown in Fig. 2 the simulator bag
Include the function groups such as communication board, pulse recognition plate, quick I O board, voltage output plate, electric current output board, wave record playback plate and power panel
Part, wherein：
Communication board is responsible for the management and communication of IGCT simulator, passes through serial communication modular and operation simulation software
PSCAD computer interacts communication, is responsible for that PSCAD will be sent to from the control signal in IGCT control protective unit, also
It is responsible for that the PSCAD simulation process data downloaded are parsed and stored in SD card, and by backboard by the serial ports after parsing
Miscellaneous part of the Content of Communication sort pass to IGCT simulator.
By taking SVC Thyristor Controlled shunt reactor TCR as an example, PSCAD emulation communications use RS232 serial ports, to by crystalline substance
Brake tube simulator is to the control signal (upstream data) of PSCAD softwares and by PSCAD softwares to IGCT simulator
Simulation process data (downlink data) are illustrated：
(1) upstream data
By IGCT simulator to PSCAD softwares, including point/combined floodgate throwing moves back order and IGBT group angle.Wherein,
Change the trigger angle of the IGCT inside TCR, thus it is possible to vary the reactive power of TCR outputs, so that adjusting circuit is idle.On this
The content of row data can be generally thought：Multiple switch amount and mould of the collection of IGCT simulator from control protective unit
Analog quantity, is converted to data, is sent on PSCAD softwares.
(2) downlink data
By PSCAD softwares to IGCT simulator, including line voltage distribution amount, line electricity flow, phase difference and switch position
Put.Wherein, phase difference refers to the differential seat angle between voltage sine wave and current sinusoidal ripple.The content of the downlink data can be total
Be considered：Multiple switch amount and analog quantity.
Pulse recognition plate is communicated by optical fiber with IGCT control protective unit, according to IGCT control protective unit
Trigger pulse and the phase synchronized signal that issues of PSCAD simulation softwares calculate Trigger Angle, and Trigger Angle is sent by backboard
To communication board.In addition, the quantity of IGCT pulse recognition plate can be entered according to the quantity of the trigger board of IGCT control protective unit
Row corresponding configuration.
Order is moved back in the throwing that quick I O board is used to receive IGCT control protective unit, that is, divides/switching signal, and by this point/
Switching signal is sent to communication board by backboard.
Voltage output plate is responsible for receiving the digital voltage amount of communication board, and digital quantity is converted into analog output to brilliant lock
The voltage measurement board of pipe control protective unit.
Electric current output board is responsible for receiving the digital current amount of communication board, and digital quantity is converted into analog output to brilliant lock
The current measurement board of pipe control protective unit.
Wave record playback plate is used for the electricity for handling voltage output plate obtained voltage analog, the processing of electric current output board is obtained
The analog quantitys such as flow field simulation amount and quick I O board receive point/on-off model such as close a floodgate carries out record ripple and playback, for debugging and
Accident analysis provides foundation.
Above-mentioned communication board, pulse recognition plate, quick I O board, voltage output plate, electric current output board and wave record playback plate etc.
Functional unit is connected with backboard, and the signal transmission by backboard realization between any two.
Power panel is used to give the charging of fast IGCT simulator, can be directly the interface that is connected with power supply or
Power supply unit including power supply.
Fig. 3 gives the transmission situation of simulation process data in IGCT simulator, i.e., received by communication board from fortune
The simulation process data such as line voltage distribution amount, line electricity flow, phase difference and the position of the switch transmitted by the computer of row simulation software,
And be then to realize that information is exchanged by backboard between communication board and voltage output plate, electric current output board and wave record playback plate.
In addition, pulse recognition plate and quick I O board realize that information is exchanged also by backboard and communication board.IGCT emulation dress
Communication delay in putting can do time bias, such as Trigger Angle is changed in next Zhou Boli.
Above is a kind of concrete structure of IGCT simulator, is formed by multiple boards, many board designs belong to electric power
The conventional framework of system control equipment, therefore only the function that each board is realized is introduced, and hardware is no longer carried out
Repeat.It is used as other embodiment, it would however also be possible to employ other constituted modes, such as one piece board completes the function of above-mentioned each board.
3rd, IGCT control protective unit and monitoring backstage
IGCT control protective unit and monitoring backstage belong to tested test system, are not belonging to IGCT HWIL simulation and put down
Platform, is mainly used in issuing rutilated quartz brake tube equipment control signal and receives the information that IGCT simulator is sent, supervise simultaneously
Control the running status of IGCT simulator.Wherein, the control signal that IGCT control protective unit is issued is by IGCT equipment
To determine, the different IGCT simulation model of correspondence, control signal should be corresponding.Generally, the control signal bag
Include point/switching signal and trigger pulse, or individually point/switching signal.Certainly, on designing different crystalline substances with PSCAD
The corresponding control signal of brake tube equipment, belongs to prior art, here is omitted to those skilled in the art.
Below by taking TCR as an example, illustrate the control flow of IGCT semi-physical emulation platform：
Preparatory stage：
PSCAD sets up TCR simulation model, writes the program module of IGCT control ＆ protection strategy and logical sequence, imitates
True all links of environment are in running status, and IGCT simulator has been received by the line voltage distribution amount of PSCAD downloads, circuit
The data such as the magnitude of current, phase difference and the TCR position of the switch, and store into SD card, and generate the synchronizing signal of trigger pulse etc..
Simulation stage：
(1) issue the order of TCR inputs to IGCT control protective unit from monitoring backstage and thyristor triggering impulse is believed
Number；
(2) IGCT control protective unit output switching signal and thyristor triggering impulse signal；
(3) the pulse recognition plate of IGCT simulator receives the IGBT group sent by IGCT control protective unit
Pulse signal, and the phase synchronized signal issued according to trigger pulse and simulation software calculates Trigger Angle, and Trigger Angle is transmitted to
The communication board of IGCT simulator；The quick I O board of IGCT simulator receives what is sent by IGCT control protective unit
The switching signal is simultaneously transmitted to communication board by switching signal, and Trigger Angle and switching signal are sent to simulation software by communication board
PSCAD；
(4) communication board of IGCT simulator will be parsed from the PSCAD simulation process data downloaded, simultaneously
The electric current for flowing through IGCT is sent to respectively by electric current output board by backboard, IGCT both end voltage is sent to voltage output
Plate；
(5) voltage output plate and is sent to IGCT control by the digital quantity voltage conversion received into analog quantity voltage
The voltage measurement board of protection device；The digital quantity electric current received is converted into analog quantity electric current by electric current output board, and is sent
Current measurement board to IGCT control protective unit；Wave record playback plate is to analog quantity voltage, analog quantity electric current and the letter that closes a floodgate
Number carry out record ripple and playback；
(6) IGCT control protective unit is sended over according to IGCT simulator IGCT motion flow and change
Change, and the communication with computer monitor backstage is realized by RJ45 serial ports, reported event information finally realizes the test to IGCT
Function.
In addition, IGCT simulator is by IGCT pulse recognition, according to trigger angle parameter, changes TCR outputs and hold
Amount, regulation line voltage or reactive power.
IGCT semi-physical emulation platform cost in the present embodiment less than RTDS/RT-LAB Digital Simulations instrument ten/
One, cost performance is high, can meet the demand that high-volume IGCT control device tests user.
It is that TCR is emulated in above example, therefore PSCAD sets up TCR simulation model.It is used as other implementations
Mode, than being emulated if desired for TSC, then needs PSCAD to set up TSC simulation model, certainly, if to other IGCTs
Equipment is emulated, then needs PSCAD to set up the corresponding simulation model of IGCT equipment.
Claims (10)
1. a kind of IGCT simulator, it is characterised in that the simulator comes from an IGCT control for reception to be protected
The control signal of protection unit, and by the control signal is transferred to an operation simulation software, be stored with IGCT device emulation
The computer of model；The IGCT simulator receives the simulation process data that the simulation software is produced, and is emulated described
Number of passes evidence is transmitted to the IGCT control protective unit.
2. IGCT simulator according to claim 1, it is characterised in that the simulation process data include line electricity
Pressure amount, line electricity flow, phase difference and the position of the switch.
3. IGCT simulator according to claim 1 or 2, it is characterised in that the control signal includes dividing/closing a floodgate
Instruction and start pulse signal.
4. IGCT simulator according to claim 3, it is characterised in that the IGCT simulator includes the back of the body
Communication board is connected with plate, the backboard, the communication board is provided with the serial communication unit for being used for being connected with computer.
5. IGCT simulator according to claim 4, it is characterised in that be connected with pulse recognition on the backboard
Plate, the pulse recognition plate is used for the phase issued according to the start pulse signal and simulation software of IGCT control protective unit
Synchronizing signal calculates Trigger Angle, and the Trigger Angle is transmitted to the communication board.
6. IGCT simulator according to claim 4, it is characterised in that quick I O board is connected with the backboard,
The quick I O board be used to receiving IGCT control protective unit point/reclosing command, and be transmitted to the communication board.
7. IGCT simulator according to claim 4, it is characterised in that voltage output plate is connected with the backboard
With electric current output board, the voltage output plate is used for the digital voltage amount for receiving the communication board, and converts thereof into analog quantity
Export to the IGCT control protective unit；The electric current output board is used for the digital current amount for receiving the communication board, and
Be changed into analog output to the IGCT control protective unit.
8. IGCT simulator according to claim 7, it is characterised in that be connected with wave record playback on the backboard
Plate, the wave record playback plate be used for by the IGCT simulator processing after analog voltage amount, simulation current flow with
And point/reclosing command carries out record ripple and playback.
9. a kind of IGCT semi-physical emulation platform, it is characterised in that the emulation platform includes operation simulation software, a storage
There are the computer and an IGCT simulator being connected with the dataphone of IGCT device emulation model；The brilliant lock
Pipe simulator is used to receive the control signal for coming from an IGCT control protective unit, and the control signal is transmitted
To the computer；Simulation software in the computer generates imitative according to the control signal and the IGCT device emulation model
True process data；The IGCT simulator receives the simulation process data that the simulation software is produced, and is emulated described
Number of passes evidence is transmitted to the IGCT control protective unit.
10. IGCT semi-physical emulation platform according to claim 9, it is characterised in that the simulation software is PSCAD
Or MATLAB.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710153886.7A CN106950851B (en) | 2017-03-15 | 2017-03-15 | Thyristor simulation device and thyristor semi-physical simulation platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710153886.7A CN106950851B (en) | 2017-03-15 | 2017-03-15 | Thyristor simulation device and thyristor semi-physical simulation platform |
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| CN106950851B CN106950851B (en) | 2020-12-04 |
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| CN201710153886.7A Active CN106950851B (en) | 2017-03-15 | 2017-03-15 | Thyristor simulation device and thyristor semi-physical simulation platform |
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| CN106950851B (en) | 2020-12-04 |
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