CN105204482B - Suitable for the cascade connection type communication construction of modularization multi-level converter control system - Google Patents
Suitable for the cascade connection type communication construction of modularization multi-level converter control system Download PDFInfo
- Publication number
- CN105204482B CN105204482B CN201510733456.3A CN201510733456A CN105204482B CN 105204482 B CN105204482 B CN 105204482B CN 201510733456 A CN201510733456 A CN 201510733456A CN 105204482 B CN105204482 B CN 105204482B
- Authority
- CN
- China
- Prior art keywords
- converter control
- control device
- interface
- cascade
- converter
- 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.)
- Active
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Quality & Reliability (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Optical Communication System (AREA)
- Selective Calling Equipment (AREA)
Abstract
The invention discloses a kind of cascade connection type communication construction suitable for modularization multi-level converter control system, the submodule maximum quantity that a converter control device can control is Q, Q>N；The submodule of N number of cascade of one bridge arm of more level converter valves is in order M segmentation；The converter control device is M；One converter control device is used to connecting and controlling the submodule of a segmentation；M converter control device is additionally operable to M segmentation cascade of same bridge arm；The cascade system is：Two adjacent converter control devices are cascaded by way of optical-fibre communications or electricity communication.The present invention coordinates to control single bridge arm by one or more converter control devices, pass through the cascade between converter control device, the information such as malfunctioning module number, emergency state are shared between multiple control devices, realize the coordination control of the numerous submodules of single bridge arm, facilitate the extension of system, reduce the complexity of system hardware and software design.
Description
Technical field
The present invention relates to the communications field of converter Control system, more particularly to suitable for modularization multi-level converter control
The cascade connection type communication construction of system processed.
Background technology
High pressure flexible direct current transmission system be particularly suitable for use in long distance powedr transmission, wind-electricity integration, seabed transmission of electricity etc. application scenario,
Compared to ac transmission and traditional direct current transportation, there is its unique advantage.High-voltage flexible based on modularization multi-level converter
In DC transmission system, converter valve is made up of very multiple submodule (SM) cascade, and the submodule quantity of a bridge arm cascade can
Up to hundreds of, the submodule quantities of six bridge arms of three-phase is up to thousands of, and voltage class is higher, and submodule quantity is more.Each height
Module has a submodule control and protection unit (SMC) to be controlled and monitor, and numerous submodules will be with transverter control
System processed is communicated, and establishes a kind of suitable communication construction, is helped to reduce the complexity of control system, is reduced hardware, soft
Part development cost, improve the reliability of system operation.
Current control mode is that a converter control device designs several optical communication interfaces, each optical fiber
Communication interface connects a submodule, and numerous submodules of a bridge arm are all by a converter control device independent control.
But when the maximum quantity that more than one control device of submodule quantity of a bridge arm cascade can control, it is necessary to pass through
More complicated extended mode realizes the control of numerous submodules.
The content of the invention
The purpose of the present invention is：Cascade connection type communication construction suitable for modularization multi-level converter control system is provided,
This is applied to the cascade connection type communication construction of modularization multi-level converter control system, and use is most succinct, reliable way solves son
The scaling problem that more than one converter control device maximum of module number is brought when controlling the size.
To realize above-mentioned technical purpose, the technical scheme that the present invention takes is：Suitable for modularization multi-level converter control
The cascade connection type communication construction of system processed, a bridge arm of more level converter valves are made up of N number of sub-module cascade；It is characterized in that：
Also include converter control device；The submodule maximum quantity that one converter control device can control is Q, Q>N；More level
The submodule of N number of cascade of one bridge arm of converter valve is in order M segmentation；The converter control device is M；One
Converter control device is used to connecting and controlling the submodule of a segmentation；M converter control device is additionally operable to same bridge
M segmentation cascade of arm；The cascade system is：Two adjacent converter control devices are communicated by optical-fibre communications or electricity
Mode cascades.
Further, each converter control device have at least 1 pair be used for and adjacent converter control device it is mutual
The receipts interface R1 of connection and receive interface R2, and at least 1 pair be used for and receipts interface T1 that adjacent converter control device interconnects and
Send out interface T2；The hair interface T2 and receipts interface R2 of 1st converter control device connect the receipts of the 2nd converter control device respectively
Interface R1 and hair interface T1, the hair interface T2 and receipts interface R2 of the 2nd converter control device connect the 3rd converter Control respectively
The receipts interface R1 and hair interface T1 of device, the like, R2 points of the hair interface T2 and receipts interface of the M-1 converter control device
The receipts interface R1 and hair interface T1 of m-th converter control device are not met.
This suitable for the cascade connection type communication construction of modularization multi-level converter control system more level converter valves it is same
Numerous submodules of one bridge arm are coordinated to control by one or more converter control devices, one or more converter control devices
Between by optical-fibre communications or electricity communication communication modes cascade, realize that the information such as malfunctioning module number, emergency state are total to
Enjoy, by coordination control strategy, realize same bridge arm submodule input, exit the coordination control of quantity and blocking.One
When the maximum of the more than one converter control device of submodule quantity of bridge arm cascade is controlled the size, pass through described transverter control
The mode of device cascade processed realizes the coordination control of the numerous submodules of bridge arm.Described same bridge arm is changed by one or more
When flowing the coordination control of device control device, the submodule quantity of each converter control device control can be with identical or different.Institute
Communication modes between the converter control device stated communicate for optical-fibre communications or electricity, for transmission fault number of modules, tightly
The information such as anxious malfunction., can phase between multiple converter control devices of same bridge arm in described coordination control strategy
To independent control, the information sharings such as malfunctioning module number, emergency state can be shared by cascade communication, realize same bridge
The quick urgent locking of arm.
Beneficial effects of the present invention：It is applied to modularization multi-level converter with practicality the invention provides a kind of
The cascade connection type communication construction of control system, can solve the expansion brought when submodule quantity is more with most succinct, reliable way
Exhibition problem, system hardware, Software for Design complexity are reduced, reduce design and implementation cost, for high pressure flexible direct current transmission of electricity system
System provides practicable solution.
Brief description of the drawings
Fig. 1 is the theory diagram of cascade connection type communication construction of the embodiment of the present invention；
Embodiment
The present invention is described in more detail with reference to the accompanying drawings and detailed description.
Fig. 1 is the theory diagram of communication construction of the embodiment of the present invention,
Embodiment 1
Referring to Fig. 1, this is applied to the cascade connection type communication construction of modularization multi-level converter control system, more level changes of current
One bridge arm of valve is made up of N number of sub-module cascade；Also include converter control device；One converter control device can be controlled
The submodule maximum quantity of system is Q, Q>N；The submodule of N number of cascade of one bridge arm of more level converter valves is in order M
Segmentation；The converter control device is M；One converter control device is used to connecting and controlling the submodule of a segmentation
Block；M converter control device is additionally operable to M segmentation cascade of same bridge arm；The cascade system is：Adjacent two change
Stream device control device is cascaded by way of optical-fibre communications or electricity communication.Each converter control device have at least 1 pair with
In the receipts interface R1 with adjacent converter control device interconnection and interface R2 is received, and at least 1 pair is used for and the adjacent change of current
The receipts interface T1 and hair interface T2 of device control device interconnection；R2 points of the hair interface T2 and receipts interface of 1st converter control device
The receipts interface R1 and hair interface T1, the hair interface T2 and receipts of the 2nd converter control device of the 2nd converter control device are not met
Interface R2 meets the receipts interface R1 and hair interface T1 of the 3rd converter control device respectively, the like, the M-1 transverter control
The hair interface T2 and receipts interface R2 of device processed meet the receipts interface R1 and hair interface T1 of m-th converter control device respectively.
Assuming that a bridge arm of more level converter valves is made up of N number of sub-module cascade, a converter control device institute energy
The submodule maximum quantity controlled is Q, Q<=N or Q>N, now it is applied to the modular multilevel change of current using of the present invention
The cascade connection type communication construction of device control system carries out system extension.
Q<During=N, then a bridge arm is controlled using a converter control device, is not required to cascade.
Q>During N, then need to carry out system extension using the communication construction belonging to the present invention, if same bridge arm uses the M change of current
Device control device cascade, then by the submodule of the N number of cascade of same bridge arm in order for M segmentation, it is each be segmented have respectively n1,
N2 ..., nM submodule ,+the nM=N that makes n1+n2+ ..., n1, n2 ..., nM be Arbitrary Digit.
M converter control device of same bridge arm is connected by way of optical-fibre communications or electricity communication, as shown in figure 1,
Each converter control device has 2 pairs and the above receive and dispatch for adjacent converter control device interconnection, the 1st change of current
T2, R2 of device control device meet R1, T1 of the 2nd converter control device, T2, R2 of the 2nd converter control device respectively
R1, T1 of the 3rd converter control device are met respectively, and successively, T2, R2 of the M-1 converter control device connect m-th respectively
R1, T1 of converter control device.
M converter control device is according to the relatively independent control of the order and control strategy that each receive during normal operation
M partition running, when emergency occurs for converter valve, submodule or converter control device itself, pass through optical-fibre communications
Or electricity communication notify immediately close to converter control device, close to converter control device receive after fault message immediately
Transparent forwarding, multiple converter control devices of same bridge arm cascade can be received within the most short time malfunctioning module number,
The information such as emergency state, according to the strategy of setting, then it can realize the urgent locking of same bridge arm.
Claims (2)
1. a kind of cascade connection type communication construction suitable for modularization multi-level converter control system, one of more level converter valves
Bridge arm is made up of N number of sub-module cascade；It is characterized in that：Also include converter control device；One converter control device institute
The submodule maximum quantity that can be controlled is Q, Q>N；
The submodule of N number of cascade of one bridge arm of more level converter valves is divided into M segmentation in order；The converter Control dress
It is set to M；One converter control device is used to connecting and controlling the submodule of a segmentation；
M converter control device is additionally operable to M segmentation cascade of same bridge arm；The cascade system is：Adjacent two
Converter control device is cascaded by way of optical-fibre communications or electricity communication.
2. being applied to the cascade connection type communication construction of modularization multi-level converter control system as claimed in claim 1, it is special
Sign is：Each converter control device has at least 1 pair to be used for and the receipts interface of adjacent converter control device interconnection
R1 and interface R2 is received, and at least 1 pair is used for and hair interface T1 and hair interface T2 that adjacent converter control device interconnects；
The hair interface T2 and receipts interface R2 of 1st converter control device connect the receipts interface of the 2nd converter control device respectively
R1 and hair interface T1, the hair interface T2 and receipts interface R2 of the 2nd converter control device connect the 3rd converter control device respectively
Receipts interface R1 and hair interface T1, the like, the hair interface T2 of the M-1 converter control device and receipts interface R2 connect respectively
The receipts interface R1 and hair interface T1 of m-th converter control device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510733456.3A CN105204482B (en) | 2015-10-31 | 2015-10-31 | Suitable for the cascade connection type communication construction of modularization multi-level converter control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510733456.3A CN105204482B (en) | 2015-10-31 | 2015-10-31 | Suitable for the cascade connection type communication construction of modularization multi-level converter control system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105204482A CN105204482A (en) | 2015-12-30 |
| CN105204482B true CN105204482B (en) | 2018-02-16 |
Family
ID=54952224
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510733456.3A Active CN105204482B (en) | 2015-10-31 | 2015-10-31 | Suitable for the cascade connection type communication construction of modularization multi-level converter control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105204482B (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106655846B (en) * | 2016-11-24 | 2023-11-17 | 南方电网科学研究院有限责任公司 | Modularized multi-level converter control system and control method |
| CN107783519A (en) * | 2017-09-29 | 2018-03-09 | 南京南瑞继保电气有限公司 | A kind of converter valve Control protection system framework |
| CN107707105A (en) * | 2017-10-26 | 2018-02-16 | 中国南方电网有限责任公司超高压输电公司天生桥局 | Suitable for the communication network topology and method of soft straight modular multilevel converter valve |
| CN108631436B (en) * | 2018-02-07 | 2020-08-25 | 许继电气股份有限公司 | Multiple redundancy control system suitable for direct current transmission |
| CN108829002B (en) * | 2018-06-26 | 2021-05-11 | 南京航空航天大学 | Control method of MMC control system state machine based on CAN bus protocol |
| CN112187396B (en) * | 2019-07-05 | 2022-10-25 | 许继集团有限公司 | Communication system and method suitable for flexible direct current converter valve |
| CN110725987A (en) * | 2019-09-17 | 2020-01-24 | 国家电网有限公司 | Converter valve system |
| CN113497724B (en) * | 2020-03-20 | 2024-02-06 | 南京南瑞继保电气有限公司 | Communication system and communication method of modularized multi-level converter |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102253247A (en) * | 2011-06-22 | 2011-11-23 | 中国电力科学研究院 | Flexibly-expanded general experiment platform for modular multi-level current converter |
| CN103227464A (en) * | 2013-03-22 | 2013-07-31 | 南京南瑞继保电气有限公司 | Submodule redundancy configuration method of flexible direct-current transmission control system |
| CN103368197A (en) * | 2013-07-15 | 2013-10-23 | 国网智能电网研究院 | Valve base control device and method of modularization multi-level converter |
| CN103869779A (en) * | 2014-03-12 | 2014-06-18 | 南京南瑞继保电气有限公司 | Communication framework and method suitable for modularized multi-level converter control system |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103915808B (en) * | 2014-03-07 | 2018-07-31 | 南方电网科学研究院有限责任公司 | DC de-icing device based on voltage source converter and its control method |
-
2015
- 2015-10-31 CN CN201510733456.3A patent/CN105204482B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102253247A (en) * | 2011-06-22 | 2011-11-23 | 中国电力科学研究院 | Flexibly-expanded general experiment platform for modular multi-level current converter |
| CN103227464A (en) * | 2013-03-22 | 2013-07-31 | 南京南瑞继保电气有限公司 | Submodule redundancy configuration method of flexible direct-current transmission control system |
| CN103368197A (en) * | 2013-07-15 | 2013-10-23 | 国网智能电网研究院 | Valve base control device and method of modularization multi-level converter |
| CN103869779A (en) * | 2014-03-12 | 2014-06-18 | 南京南瑞继保电气有限公司 | Communication framework and method suitable for modularized multi-level converter control system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105204482A (en) | 2015-12-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105204482B (en) | Suitable for the cascade connection type communication construction of modularization multi-level converter control system | |
| US10568232B2 (en) | Modular uninterruptible power supply apparatus and methods of operating same | |
| CN101542867B (en) | Converters for high power applications | |
| KR102007625B1 (en) | Reconfigurable MMC Submodule Unit and its Control Unit | |
| CN209299159U (en) | Modular multilevel converter | |
| CN103684014B (en) | Be applicable to the means of communication between the submodule controller of Modular multilevel converter and top level control device | |
| US10333388B2 (en) | Control device and control method for large power conversion | |
| CN106786713A (en) | A kind of voltage source converter unit topological structure and control method | |
| KR101842012B1 (en) | Submodule distributed control method, device and system | |
| CN102891813A (en) | Ethernet port architecture supporting multiple transmission modes | |
| CN107707105A (en) | Suitable for the communication network topology and method of soft straight modular multilevel converter valve | |
| CN111193971B (en) | Machine learning-oriented distributed computing interconnection network system and communication method | |
| CN106099948A (en) | A kind of power electronics is flexible coupling switch topology and control method thereof | |
| Vidal-Albalate et al. | A modular multi-level DC-DC converter for HVDC grids | |
| CN107902110A (en) | A kind of highly integrated MPPT standardized modules of open architecture | |
| KR102645507B1 (en) | Interface circuits, strings and systems applied to power line communications | |
| CN109449902A (en) | A kind of multiport direct current limiter for flexible direct current electric network fault current limliting | |
| CN105978375A (en) | Cross-connected sub-module suitable for long-distance and large-capacity overhead line power transmission and MMC control method of cross-connected sub-module | |
| CN105281314A (en) | DC power transmission system based on modularized multi-level converter unit | |
| CN106645916A (en) | Power test system of high-voltage DC-DC converter | |
| CN206517072U (en) | Current conversion station for HVDC Transmission system | |
| CN105391319A (en) | High-voltage cascade thyristor rectification circuit photoelectric triggering system and high-voltage cascade thyristor rectification circuit photoelectric triggering method | |
| CN110412896A (en) | Magnetic suspension electromagnetic propulsion control system based on real-time ethernet | |
| CN101707730B (en) | Optical transport hierarchy node equipment and optical signal transport method | |
| CN107294519A (en) | The method and device of signal distribution processor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |