CN206331054U - A kind of flexible transmission system analogue means of polymorphic type based on MMC - Google Patents
A kind of flexible transmission system analogue means of polymorphic type based on MMC Download PDFInfo
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- CN206331054U CN206331054U CN201621376262.9U CN201621376262U CN206331054U CN 206331054 U CN206331054 U CN 206331054U CN 201621376262 U CN201621376262 U CN 201621376262U CN 206331054 U CN206331054 U CN 206331054U
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- rtds
- transmission system
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 30
- 239000013307 optical fiber Substances 0.000 claims abstract description 11
- 238000006243 chemical reaction Methods 0.000 claims description 15
- 230000000903 blocking effect Effects 0.000 claims description 9
- 238000012545 processing Methods 0.000 claims description 9
- 230000008054 signal transmission Effects 0.000 claims description 9
- 230000003287 optical effect Effects 0.000 claims description 8
- 230000005611 electricity Effects 0.000 claims description 2
- 238000004891 communication Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 238000004088 simulation Methods 0.000 description 7
- 238000013461 design Methods 0.000 description 6
- 238000011160 research Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000012795 verification Methods 0.000 description 4
- 238000002474 experimental method Methods 0.000 description 3
- 230000003321 amplification Effects 0.000 description 2
- 238000011217 control strategy Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 230000005856 abnormality Effects 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 238000007405 data analysis Methods 0.000 description 1
- 238000012942 design verification Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000026676 system process Effects 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
- 238000013519 translation Methods 0.000 description 1
Abstract
The utility model provides a kind of flexible transmission system analogue means of polymorphic type based on MMC, including RTDS emulation cabinet, valve control cabinet, power cabinet, acquisition module, power amplifier and three-phase alternating-current supply；Acquisition module connects power cabinet by signal acquisition line, and connects RTDS emulation cabinets by electrical cable, and RTDS emulates cabinet by optical fiber connection valve control cabinet, and valve control cabinet connects power cabinet by optical fiber again；RTDS emulates cabinet and connects power amplifier by electrical cable, is connected between power amplifier and power cabinet, between three-phase alternating-current supply and power amplifier by power line.Power cabinet and valve control cabinet realize the mutual communication that cabinet is emulated with RTDS by interface board and optical fiber in the utility model, the running situation of power cabinet and valve control cabinet can be shown in man-machine interface, RTDS emulation cabinet can carry out On-line Control to power cabinet and valve control cabinet, and then reach the effect of real-time control.
Description
Technical field
The utility model is related to a kind of analogue means, and in particular to a kind of flexible transmission system mould of polymorphic type based on MMC
Intend device.
Background technology
Power Electronic Technique is to enter the technology of line translation and control, Power Electronic Technique to electric energy using power electronic devices
And device is widely used in the fields such as flexible AC transmission, D.C. high voltage transmission, AC and DC power transmission.
Flexible transmission system is the new technology occurred in recent years.The later development of its power application electronic technology
And modern control technology is realized to systematic parameter down to the flexible quick control of network structure, and the steady of system is greatly improved
Qualitative and reliability.But because its voltage class is generally higher, the problems such as engineering design difficulty is big, therefore in high-power system
System inspection research turns into important research contents under the conditions of system.
To the design verification process of power electronic system, traditional Physical Experiment can relatively accurately simulating actual conditions,
Experiment support is provided for its theoretical research, its advantage is directly perceived, image.But set up the system test platform of a high-power
Costly, device parameter is unable to flexible modulation, therefore is only specific research contents offer experiment, general without possessing
Property.And traditional simulating, verifying mode is not due to possessing the ability interacted with actual device, therefore the result easily deviates engineering
It is actual.Therefore seek a kind of based on control hardware simulation device in real time, true reappearance simultaneously improves system dynamic characteristic and is to meet
It is significant the need for system safe and stable operation.
Utility model content
In order to overcome the above-mentioned deficiencies of the prior art, the utility model is flexibly defeated there is provided a kind of polymorphic type based on MMC
Electric system analogue means, substantially reduces the research cycle of control system, while control strategy can be tested and debugged,
Real-time Correction and Control parameter provides practical basis for actual engineering design, has broad application prospects.
To achieve these goals, the utility model takes following scheme：
The utility model provides a kind of flexible transmission system analogue means of polymorphic type based on MMC, and described device includes
RTDS emulation cabinet, valve control cabinet, power cabinet, acquisition module, power amplifier and three-phase alternating-current supply；
The acquisition module connects power cabinet by signal acquisition line, and connects RTDS emulation cabinets by electrical cable,
The RTDS emulates cabinet by optical fiber connection valve control cabinet, and the valve control cabinet connects power cabinet by optical fiber again；The RTDS
Emulate cabinet by electrical cable connect power amplifier, between the power amplifier and power cabinet, three-phase alternating-current supply with
Connected between power amplifier by power line.
The acquisition module gathers the bridge arm current and voltage of MMC in power cabinet by signal acquisition line, and by collection
Bridge arm current and voltage are transferred to RTDS by electrical cable and emulate cabinet.
The acquisition module includes current sensor and voltage sensor；
The current sensor is used for the bridge arm current for gathering MMC；
The voltage sensor is used for the bridge arm voltage for gathering MMC.
The current sensor is Hall current sensor；The voltage sensor is Hall voltage sensor.
The RTDS emulation cabinet includes analog input card, PB5 boards and analog output card；
The analog input card receives the MMC bridge arm currents and voltage of acquisition module transmission, and by the MMC bridges of reception
Arm electric current and voltage are transferred to PB5 boards, and the modulation wave signal of digital form is conciliate blocking order and passes through light by the PB5 boards
Fibre is transferred to valve control cabinet；
The modulation wave signal of analog form is transferred to power amplification by the analog output card by electrical cable
Device.
The power amplifier will power after the modulation wave signal enhanced processing of analog form for power cabinet；Described three intersect
Stream power supply is powered for power amplifier.
The valve control cabinet includes FPGA Control cards, SFP shaven heads and photoelectric conversion plate；
The modulation wave signal that SFP shaven head receives digital form conciliates blocking order, and by the digital form of reception
Modulation wave signal conciliates blocking order and is transferred to photoelectric conversion plate, the photoelectric conversion plate by the modulation wave signal of digital form and
The instruction that unblocks is converted to electric signal, and gives FPGA Control cards by electric signal transmission, and the FPGA Control cards are to the telecommunications
Photoelectric conversion plate is transferred to after number being handled, the electric signal after processing is converted to optical signal by the photoelectric conversion plate, and will
The optical signal transmission gives SFP shaven heads, and the SFP shaven heads are by the optical signal transmission to power cabinet.
The model ML605 of the FPGA Control cards.
The power cabinet includes MMC.
Compared with immediate prior art, the technical scheme that the utility model is provided has the advantages that：
1st, the flexible transmission system analogue means of the polymorphic type based on MMC that the utility model is provided can be realized to flexible direct current
The emulation for the engineerings such as (HVDC) engineering, THE UPFC (UPFC) engineering, SSSC (SSSC) of transmitting electricity
Checking；
2nd, overall merit can be carried out to flexible transmission system by the emulation of various modes, is provided for engineering design put into practice according to
According to；
3rd, power cabinet and valve control cabinet realize the phase that cabinet is emulated with RTDS by interface board and optical fiber in the utility model
Mutually communication, the running situation of power cabinet and valve control cabinet can show in man-machine interface, RTDS emulation cabinet can to power cabinet with
Valve control cabinet carries out On-line Control, and then has reached the effect of real-time control；
4th, the flexible transmission system analogue means emulated versions of the polymorphic type based on MMC that the utility model is provided are flexibly more
Sample, control is simple and convenient, has broad application prospects.
Brief description of the drawings
Fig. 1 is the flexible transmission system analogue means structure chart of polymorphic type based on MMC in the utility model embodiment.
Embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings.
The utility model provides a kind of flexible transmission system analogue means of polymorphic type based on MMC, can be to a certain degree
On make up the deficiency of traditional verification method, make the result actual closer to engineering.The valve control cabinet of wherein autonomous Design is based on
FPGA, with high-speed data disposal ability, can meet system real time requirement.Real-timedigital simulation device RTDS (Real-Time
Digital Simulator) it is the computer installation that digital simulation is carried out to electromagnetic transient in power system process, it is adaptable to it is big
The emulation of scale power system.Its hardware is based on digital signal processor and applies advanced parallel processing technique, Ke Yiwei
Continuous processing in real time is held, the calculating speed exported in real time is kept.The device possesses connection external hardware system and carries out closed loop survey
The ability of examination, truly can be simulated to the operating condition at scene.
The utility model provides a kind of flexible transmission system analogue means of polymorphic type based on MMC, such as Fig. 1, described device
Including RTDS emulation cabinet, valve control cabinet, power cabinet, acquisition module, power amplifier and three-phase alternating-current supply；
The acquisition module connects power cabinet by signal acquisition line, and connects RTDS emulation cabinets by electrical cable,
The RTDS emulates cabinet by optical fiber connection valve control cabinet, and the valve control cabinet connects power cabinet by optical fiber again；The RTDS
Emulate cabinet by electrical cable connect power amplifier, between the power amplifier and power cabinet, three-phase alternating-current supply with
Connected between power amplifier by power line.
The acquisition module gathers the bridge arm current and voltage of MMC in power cabinet by signal acquisition line, and by collection
Bridge arm current and voltage are transferred to RTDS by electrical cable and emulate cabinet.
The acquisition module includes current sensor and voltage sensor；
The current sensor is used for the bridge arm current for gathering MMC；
The voltage sensor is used for the bridge arm voltage for gathering MMC.
The current sensor is Hall current sensor；The voltage sensor is Hall voltage sensor.
The RTDS emulation cabinet includes analog input card, PB5 boards and analog output card (also including digital quantity
Input card and digital output card)；
The analog input card receives the MMC bridge arm currents and voltage of acquisition module transmission, and by the MMC bridges of reception
Arm electric current and voltage are transferred to PB5 boards, and the modulation wave signal of digital form is conciliate blocking order and passes through light by the PB5 boards
Fibre is transferred to valve control cabinet；
The modulation wave signal of analog form is transferred to power amplification by the analog output card by electrical cable
Device.
The power amplifier will power after the modulation wave signal enhanced processing of analog form for power cabinet；Described three intersect
Stream power supply is powered for power amplifier.
The valve control cabinet includes FPGA Control cards, SFP shaven heads and photoelectric conversion plate；
The modulation wave signal that SFP shaven head receives digital form conciliates blocking order, and by the digital form of reception
Modulation wave signal conciliates blocking order and is transferred to photoelectric conversion plate, the photoelectric conversion plate by the modulation wave signal of digital form and
The instruction that unblocks is converted to electric signal, and gives FPGA Control cards by electric signal transmission, and the FPGA Control cards are to the telecommunications
Photoelectric conversion plate is transferred to after number being handled, the electric signal after processing is converted to optical signal by the photoelectric conversion plate, and will
The optical signal transmission gives SFP shaven heads, and the SFP shaven heads are by the optical signal transmission to power cabinet.
The model ML605 of the FPGA Control cards.
The power cabinet includes MMC.MMC is substantially a class voltage source converter, and which employs modular multilevel knot
Structure, the structure combines to form required output voltage i.e. by the switching state of submodule, is adapted to higher voltage
Grade and power requirement, to create condition applied to fields such as high-power reactive-load compensation, direct current transportation.MMC can be with simpler
Output level number is significantly increased in single topological sum control mode, output voltage waveforms is approached sine wave, total harmonic distortion factor pole
It is low.
The flexible transmission system analogue means energy data acquisition of the polymorphic type based on MMC of the utility model offer, control
The functions such as system protection, are specifically included：
1) possess acquisition system voltage, electric current and switching value function；
2) mass data analysis is completed with calculating；
3) control and protection to actual cabinet are completed；
4) when occurring control system abnormality, it is ensured that misoperation does not occur for power cabinet and valve control cabinet；
5) communication of computer, power cabinet and valve control cabinet and interface board is completed, simplation verification function is realized.
The utility model can be realized to flexible DC power transmission (HVDC) engineering, THE UPFC (UPFC) engineering, quiet
The only simulating, verifying of the engineering such as synchronous series compensator (SSSC).Pure RTDS analogue systems realize in RTDS simulation softwares, no
Side circuit part can be added, so the result of emulation is partial to idealization, very little is acted on to actual engineering design.And it is flexibly defeated
Electric system simplation verification device emulates cabinet, interface board and physical equipment by RTDS and constituted.Wherein, RTDS emulates cabinet and is used to build
There is provided real-time simulation environment for system power supply side simulation model；Interface board is used to provide between RTDS emulation cabinets and physical equipment
Practical Project interface；Physical equipment is real system controller and power model cabinet.This simplation verification based on RTDS is put down
Platform can carry out overall merit by the emulation of various modes to flexible transmission system, and practical basis is provided for engineering design.
The utility model can give birth to the performances such as the electrical characteristic of real system, operation maintenance feature, control ＆ protection strategy
Dynamic demonstration, flexibly can independently set operational factor and control strategy.And can be to flexible direct current system, UPFC systems, SSSC
System carries out real-time on-line simulation research, and flexible form is various, controls simple and convenient.
Finally it should be noted that：Above example is only to illustrate the technical solution of the utility model rather than it is limited
System, those of ordinary skill in the art can still be carried out with reference to above-described embodiment to embodiment of the present utility model
Modification or equivalent, these any modifications or equivalent without departing from the utility model spirit and scope, in Shen
Within claims of the present utility model that please be pending.
Claims (9)
1. the flexible transmission system analogue means of a kind of polymorphic type based on MMC, it is characterised in that described device is emulated including RTDS
Cabinet, valve control cabinet, power cabinet, acquisition module, power amplifier and three-phase alternating-current supply；
The acquisition module connects power cabinet by signal acquisition line, and connects RTDS emulation cabinets by electrical cable, described
RTDS emulates cabinet by optical fiber connection valve control cabinet, and the valve control cabinet connects power cabinet by optical fiber again；The RTDS emulation
Cabinet connects power amplifier by electrical cable, between the power amplifier and power cabinet, three-phase alternating-current supply and power
Connected between amplifier by power line.
2. the flexible transmission system analogue means of the polymorphic type according to claim 1 based on MMC, it is characterised in that described
Acquisition module gathers the bridge arm current and voltage of MMC in power cabinet by signal acquisition line, and by the bridge arm current and electricity of collection
Pressure is transferred to RTDS by electrical cable and emulates cabinet.
3. the flexible transmission system analogue means of the polymorphic type according to claim 2 based on MMC, it is characterised in that described
Acquisition module includes current sensor and voltage sensor；
The current sensor is used for the bridge arm current for gathering MMC；
The voltage sensor is used for the bridge arm voltage for gathering MMC.
4. the flexible transmission system analogue means of the polymorphic type according to claim 3 based on MMC, it is characterised in that described
Current sensor is Hall current sensor；The voltage sensor is Hall voltage sensor.
5. the flexible transmission system analogue means of the polymorphic type according to claim 1 or 2 based on MMC, it is characterised in that institute
Stating RTDS emulation cabinets includes analog input card, PB5 boards and analog output card；
The analog input card receives the MMC bridge arm currents and voltage of acquisition module transmission, and the MMC bridge arms of reception is electric
Stream and voltage are transferred to PB5 boards, and the modulation wave signal of digital form is conciliate blocking order and passed by optical fiber by the PB5 boards
It is defeated by valve control cabinet；
The modulation wave signal of analog form is transferred to power amplifier by the analog output card by electrical cable.
6. the flexible transmission system analogue means of the polymorphic type according to claim 5 based on MMC, it is characterised in that described
Power amplifier will power after the modulation wave signal enhanced processing of analog form for power cabinet；The three-phase alternating-current supply is power
Amplifier is powered.
7. the flexible transmission system analogue means of the polymorphic type according to claim 5 based on MMC, it is characterised in that described
Valve control cabinet includes FPGA Control cards, SFP shaven heads and photoelectric conversion plate；
The modulation wave signal that SFP shaven head receives digital form conciliates blocking order, and by the modulation of the digital form of reception
Ripple signal conciliates blocking order and is transferred to photoelectric conversion plate, and the photoelectric conversion plate is by the modulation wave signal of digital form and unblocks
Lock instruction is converted to electric signal, and gives FPGA Control cards by electric signal transmission, and the FPGA Control cards enter to the electric signal
Photoelectric conversion plate is transferred to after row processing, and the electric signal after processing is converted to optical signal by the photoelectric conversion plate, and by the light
Signal transmission gives SFP shaven heads, and the SFP shaven heads are by the optical signal transmission to power cabinet.
8. the flexible transmission system analogue means of the polymorphic type according to claim 7 based on MMC, it is characterised in that described
The model ML605 of FPGA Control cards.
9. the flexible transmission system analogue means of the polymorphic type according to claim 1 based on MMC, it is characterised in that described
Power cabinet includes MMC.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621376262.9U CN206331054U (en) | 2016-12-15 | 2016-12-15 | A kind of flexible transmission system analogue means of polymorphic type based on MMC |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201621376262.9U CN206331054U (en) | 2016-12-15 | 2016-12-15 | A kind of flexible transmission system analogue means of polymorphic type based on MMC |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107861497A (en) * | 2017-11-08 | 2018-03-30 | 广州供电局有限公司 | Realize the communicator and method of electric device control system test |
| CN108051234A (en) * | 2017-12-26 | 2018-05-18 | 北京金风科创风电设备有限公司 | Fan fault detection method and device, converter and computer readable storage medium |
| CN113376460A (en) * | 2021-05-31 | 2021-09-10 | 西安交通大学 | Inverter monitoring system |
-
2016
- 2016-12-15 CN CN201621376262.9U patent/CN206331054U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107861497A (en) * | 2017-11-08 | 2018-03-30 | 广州供电局有限公司 | Realize the communicator and method of electric device control system test |
| CN108051234A (en) * | 2017-12-26 | 2018-05-18 | 北京金风科创风电设备有限公司 | Fan fault detection method and device, converter and computer readable storage medium |
| CN113376460A (en) * | 2021-05-31 | 2021-09-10 | 西安交通大学 | Inverter monitoring system |
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Granted publication date: 20170714 |