CN103869779A - Communication framework and method suitable for modularized multi-level converter control system - Google Patents
Communication framework and method suitable for modularized multi-level converter control system Download PDFInfo
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- CN103869779A CN103869779A CN201410090214.2A CN201410090214A CN103869779A CN 103869779 A CN103869779 A CN 103869779A CN 201410090214 A CN201410090214 A CN 201410090214A CN 103869779 A CN103869779 A CN 103869779A
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- 238000004891 communication Methods 0.000 title claims abstract description 74
- 238000000034 method Methods 0.000 title abstract description 6
- 239000013307 optical fiber Substances 0.000 claims abstract description 84
- 230000003287 optical effect Effects 0.000 claims abstract description 42
- 238000010276 construction Methods 0.000 claims description 22
- 230000005540 biological transmission Effects 0.000 abstract description 8
- 210000000329 smooth muscle myocyte Anatomy 0.000 abstract 3
- 238000010586 diagram Methods 0.000 description 4
- 238000012856 packing Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
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- 238000005516 engineering process Methods 0.000 description 1
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of AC power input into DC power output; Conversion of DC power input into AC power output
- H02M7/42—Conversion of DC power input into AC power output without possibility of reversal
- H02M7/44—Conversion of DC power input into AC power output without possibility of reversal by static converters
- H02M7/48—Conversion of DC power input into AC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/483—Converters with outputs that each can have more than two voltages levels
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/0003—Details of control, feedback or regulation circuits
- H02M1/0012—Control circuits using digital or numerical techniques
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
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Abstract
The invention provides a communication framework and method which are suitable for a modularized multi-level converter control system. The framework comprises an optical fiber communication board card of valve base control equipment (VBC), an optical transceiver module of the optical fiber communication board card, converter control submodule units (SMC) as well as optical transceiver modules and optical fiber channels of the converter control submodule units, wherein one VBC is provided with at least one optical fiber communication board card provided with at least one optical transceiver module; the optical fiber channel is used for realizing the information transmission between the VBC and the SMCs and/or the information transmission between the SMCs. In addition, the invention also provides two communication methods using the communication framework. The communication framework and method solve the problems brought as the number of VBC optical fiber communication ports and the number of the SMCs are not matched in the modularized multi-level converter control system, the software and hardware design complexity of the system is reduced and the framework can be suitable for a high-voltage large-capacity flexible direct system with a larger SMC number by flexible extension.
Description
Technical field
The present invention relates to the communications field of converter Control system, relate in particular to communication construction and the communication means of modularization multi-level converter control system.
Background technology
High pressure flexible direct current transmission system is particularly useful for the application scenarios such as long distance powedr transmission, wind-electricity integration, seabed transmission of electricity, compares ac transmission and traditional direct current transportation, has its unique advantage.In high pressure flexible direct current transmission system based on modularization multi-level converter, converter valve is made up of a lot of sub-module-cascades, and the submodule quantity of a brachium pontis cascade just can reach hundreds of, and the submodule quantity of six brachium pontis of three-phase can reach thousands of, electric pressure is higher, and submodule quantity is more.Each submodule has a converter Control submodule unit (SMC) to control and monitor, therefore the communication between valve base opertaing device (VBC) valve control device and numerous SMC is had to very high requirement, set up optimum communication construction, contribute to reduce complexity, the raising system reliability of operation of system.
Current communication construction application form is mainly an optical transceiver module and a SMC module point-to-point communication of VBC, be unfavorable for the realization of more jumbo soft lineal system, must solve by the mode that increases VBC optical transceiver module quantity, increase design difficulty and the optical fiber cost etc. of VBC.
Summary of the invention
The object of the invention is: the communication construction and the communication means that are applicable to modularization multi-level converter control system are provided, realize the high capacity communication between VBC valve control device and numerous SMC by optimum communication construction.
The invention provides following solution:
Be applicable to the communication construction of modularization multi-level converter control system, this framework comprises the optical fiber communication board of valve base opertaing device VBC and optical transceiver module, converter Control submodule cell S MC and optical transceiver module thereof, optical-fibre channel; Wherein, a described VBC configures at least one optical fiber communication board, and an optical fiber communication board configures at least one optical transceiver module; Described optical-fibre channel, for realizing the communication between described VBC and described SMC, and/or communication between SMC.
Further, the maximum quantity of the optical fiber communication board of a described VBC configuration is fixed, and the maximum quantity of the optical transceiver module of a described optical fiber communication board configuration is fixed.
Further, in described optical-fibre channel, transmit control command and/or the feedback information of one or more SMC.
Further, the optical transceiver module of described SMC is connected with the optical transceiver module of described optical fiber communication board by optical-fibre channel, and/or is connected with the optical transceiver module of other SMC.
Preferably, an optical transceiver module and multiple SMC looping structure of the optical fiber communication board of described VBC, specifically refer to: an optical transceiver module of optical fiber communication board configuration of described VBC, described optical transceiver module connects first SMC and last SMC by optical-fibre channel, between multiple SMC, interconnects by optical-fibre channel.
Preferably, the optical transceiver module of a multicast of optical fiber communication board configuration of described VBC, the optical transceiver module of described multicast issues optical-fibre channel by one and multiple reception optical-fibre channel is corresponding with multiple SMC, wherein all SMC share the same optical-fibre channel that issues, and each SMC is a corresponding reception optical-fibre channel respectively; Or the optical fiber communication board of described VBC configures multiple optical transceiver modules, described optical transceiver module is corresponding one by one with multiple SMC, connects by optical-fibre channel;
The present invention also provides a kind of right to use to require the communication means of the communication construction described in 5, described VBC is by described optical transceiver module, the control command of multiple SMC corresponding described optical fiber communication board is handed down to first SMC as the first packet, first SMC parses the control command of oneself and holds from described the first packet, and gives next SMC using all or part of control command in described the first packet as the second package forward; Each SMC all receives the packet that a SMC forwards, and carries out and forwards according to the mode of first SMC, and to the last a SMC is finished;
Feedback information is transmitted to next SMC by first SMC; Middle each SMC is transmitted to next SMC after the feedback information of self and the feedback information of a upper SMC who receives are merged; Last SMC returns to the optical transceiver module of VBC after all feedback informations are gathered.
The present invention also provides a kind of right to use to require the communication means of the communication construction described in 6, and VBC, using the control command of multiple SMC as a packet, is handed down to respectively or simultaneously multiple SMC by the optical-fibre channel of described optical fiber communication board; Or the control command of multiple SMC is made respectively corresponding packet by VBC, be handed down to respectively or simultaneously corresponding SMC by the optical-fibre channel of described optical fiber communication board;
Each SMC parses the control command of oneself and carries out after receiving control command; The feedback information of each SMC returns to VBC by each self-corresponding optical-fibre channel.
Beneficial effect of the present invention: the invention provides the soft straight system communication framework of high-voltage large-capacity and the communication means with practicality, the design of hardware and software difficulty of VBC valve control device and SMC in can simplification system, guaranteeing under the prerequisite of system performance, design and construction cost are reduced, for high pressure flexible direct current transmission system provides practicable solution.
Accompanying drawing explanation
Fig. 1 is the theory diagram of the communication construction one of the embodiment of the present invention;
Fig. 2 is the theory diagram of the communication construction two of the embodiment of the present invention.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in more detail.
Figure 1 shows that a preferred embodiment of the invention, the theory diagram of communication construction one, the optical fiber sendaisle of an optical transceiver module and the optical fiber receiving cable of first SMC by VBC adopt long point-to-point optical fiber to be connected, the optical fiber sendaisle of first SMC adopts shorter point-to-point optical fiber to be connected with the optical fiber receiving cable of second SMC, the optical fiber sendaisle of second SMC adopts shorter point-to-point optical fiber to be connected with the optical fiber receiving cable of the 3rd SMC, the optical fiber sendaisle of successively to a N-1 SMC adopts shorter point-to-point optical fiber to be connected with the optical fiber receiving cable of N SMC, the optical fiber sendaisle of N SMC adopts long point-to-point optical fiber to be connected with the optical fiber receiving cable of the optical transceiver module of VBC.
Corresponding communication means preferred embodiment is: the control information that the control information that VBC issues comprises N SMC, each SMC, receiving directly past next stage transparent forwarding after control information, parses to own relevant control information simultaneously and then carries out.The feedback information of oneself is sent to second SMC by first SMC, second SMC will forward toward subordinate after the feedback information packing of the feedback information of oneself and first SMC, the 3rd SMC forwards the feedback information of the feedback information of oneself and second SMC, first SMC backward subordinate of packing, and successively to a N SMC sends to the optical fiber receiving cable of the optical transceiver module of VBC after all feedback informations to N SMC are packed.Certainly SMC also can not carry out transparent forwarding, and only forwards the control information that follow-up SMC is relevant.
Figure 2 shows that another preferred embodiment of the present invention, the theory diagram of communication construction two, specific implementation process is the optical fiber receiving cable that is connected to N SMC by the optical fiber sendaisle of an optical transceiver module of VBC by 1 optical fiber that turns N, and the optical fiber sendaisle of N SMC is connected to N optical fiber receiving cable of optical transceiver module by point-to-point optical fiber.
Corresponding communication means preferred embodiment is: N SMC issued at the same time or separately in the control information of the packing of N SMC by VBC, each SMC parses and own relevant then execution of control information order after receiving control information, and the feedback information of N SMC feeds back to VBC by feedback optical fiber separately.The control information of multiple SMC can certainly be divided different packet correspondences issue.
Claims (8)
1. be applicable to the communication construction of modularization multi-level converter control system, it is characterized in that, this framework comprises the optical fiber communication board of valve base opertaing device VBC and optical transceiver module, converter Control submodule cell S MC and optical transceiver module thereof, optical-fibre channel;
Wherein, a described VBC configures at least one optical fiber communication board, and an optical fiber communication board configures at least one optical transceiver module;
Described optical-fibre channel, for realizing the communication between described VBC and described SMC, and/or communication between SMC.
2. the communication construction that is applicable to modularization multi-level converter control system as claimed in claim 1, it is characterized in that, the maximum quantity of the optical fiber communication board of a described VBC configuration is fixed, and the maximum quantity of the optical transceiver module of a described optical fiber communication board configuration is fixed.
3. the communication construction that is applicable to modularization multi-level converter control system as claimed in claim 1, is characterized in that, transmits control command and/or the feedback information of one or more SMC in described optical-fibre channel.
4. the communication construction that is applicable to modularization multi-level converter control system as claimed in claim 1, it is characterized in that, the optical transceiver module of described SMC is connected with the optical transceiver module of described optical fiber communication board by optical-fibre channel, and/or is connected with the optical transceiver module of other SMC.
5. the communication construction that is applicable to modularization multi-level converter control system as claimed in claim 1, it is characterized in that, an optical transceiver module and multiple SMC looping structure of the optical fiber communication board of described VBC, specifically refer to: an optical transceiver module of optical fiber communication board configuration of described VBC, described optical transceiver module connects first SMC and last SMC by optical-fibre channel, between multiple SMC, interconnects by optical-fibre channel.
6. the communication construction that is applicable to modularization multi-level converter control system as claimed in claim 1, it is characterized in that, the optical transceiver module of a multicast of optical fiber communication board configuration of described VBC, the optical transceiver module of described multicast issues optical-fibre channel by one and multiple reception optical-fibre channel is corresponding with multiple SMC, wherein all SMC share with described in issue optical-fibre channel, the respectively corresponding described reception optical-fibre channel of each SMC; Or the optical fiber communication board of described VBC configures multiple optical transceiver modules, described optical transceiver module is corresponding one by one with multiple SMC, connects by optical-fibre channel.
7. right to use requires a communication means for the communication construction described in 5, it is characterized in that,
Described VBC is by described optical transceiver module, the control command of multiple SMC corresponding described optical fiber communication board is handed down to first SMC as the first packet, first SMC parses the control command of oneself and holds from described the first packet, and gives next SMC using all or part of control command in described the first packet as the second package forward; Each SMC all receives the packet that a SMC forwards, and carries out and forwards according to the mode of first SMC, and to the last a SMC is finished;
Feedback information is transmitted to next SMC by first SMC; Middle each SMC is transmitted to next SMC after the feedback information of self and the feedback information of a upper SMC who receives are merged; Last SMC returns to the optical transceiver module of VBC after all feedback informations are gathered.
8. right to use requires a communication means for the communication construction described in 6, it is characterized in that,
VBC, using the control command of multiple SMC as a packet, is handed down to respectively or simultaneously multiple SMC by the optical-fibre channel of described optical fiber communication board; Or the control command of multiple SMC is made respectively corresponding packet by VBC, be handed down to respectively or simultaneously corresponding SMC by the optical-fibre channel of described optical fiber communication board;
Each SMC parses the control command of oneself and carries out after receiving control command; The feedback information of each SMC returns to VBC by each self-corresponding optical-fibre channel.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410090214.2A CN103869779A (en) | 2014-03-12 | 2014-03-12 | Communication framework and method suitable for modularized multi-level converter control system |
| PCT/CN2015/070593 WO2015135389A1 (en) | 2014-03-12 | 2015-01-13 | Communication architecture and method suitable for modular multi-level converter control system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410090214.2A CN103869779A (en) | 2014-03-12 | 2014-03-12 | Communication framework and method suitable for modularized multi-level converter control system |
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| CN103869779A true CN103869779A (en) | 2014-06-18 |
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| CN201410090214.2A Pending CN103869779A (en) | 2014-03-12 | 2014-03-12 | Communication framework and method suitable for modularized multi-level converter control system |
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| WO (1) | WO2015135389A1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104218779A (en) * | 2014-08-26 | 2014-12-17 | 河海大学 | Serially-connected IGBT gate electrode drive unit synchronizing method and system based on Raman laser amplifier |
| CN104702088A (en) * | 2015-02-02 | 2015-06-10 | 中国南方电网有限责任公司电网技术研究中心 | MMC-based communication method for flexible direct-current transmission valve controller and valve simulator |
| WO2015135389A1 (en) * | 2014-03-12 | 2015-09-17 | 南京南瑞继保电气有限公司 | Communication architecture and method suitable for modular multi-level converter control system |
| CN104965478A (en) * | 2015-06-24 | 2015-10-07 | 许继电气股份有限公司 | High-voltage direct-current transmission converter valve control device and converter valve |
| CN105204482A (en) * | 2015-10-31 | 2015-12-30 | 南京南瑞继保电气有限公司 | Cascaded communication architecture applicable to modular multilevel converter control system |
| CN105375746A (en) * | 2015-12-10 | 2016-03-02 | 国家电网公司 | SMC-VBC-VM-based valve control system for IGBT converter valve |
| CN106160542A (en) * | 2015-04-02 | 2016-11-23 | 国家电网公司 | A kind of modularization multi-level converter physical simulating device with potential isolation |
| 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 |
| CN110716467A (en) * | 2019-10-16 | 2020-01-21 | 南京南瑞继保电气有限公司 | Communication method and control system |
| CN111726161A (en) * | 2019-03-21 | 2020-09-29 | 南京南瑞继保工程技术有限公司 | Online detection method for optical fiber link of modular multilevel converter control system |
| CN112995799A (en) * | 2019-12-12 | 2021-06-18 | 南京南瑞继保电气有限公司 | Passive light distribution communication method, communication device, equipment and storage medium |
| CN113497724A (en) * | 2020-03-20 | 2021-10-12 | 南京南瑞继保电气有限公司 | Communication system and communication method of modular multilevel converter |
| WO2024077657A1 (en) * | 2022-10-11 | 2024-04-18 | 许继集团有限公司 | Modular multi-level converter, converter valve system and sub-module networking method |
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| WO2015135389A1 (en) * | 2014-03-12 | 2015-09-17 | 南京南瑞继保电气有限公司 | Communication architecture and method suitable for modular multi-level converter control system |
| CN104218779A (en) * | 2014-08-26 | 2014-12-17 | 河海大学 | Serially-connected IGBT gate electrode drive unit synchronizing method and system based on Raman laser amplifier |
| CN104702088A (en) * | 2015-02-02 | 2015-06-10 | 中国南方电网有限责任公司电网技术研究中心 | MMC-based communication method for flexible direct-current transmission valve controller and valve simulator |
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| CN106160542A (en) * | 2015-04-02 | 2016-11-23 | 国家电网公司 | A kind of modularization multi-level converter physical simulating device with potential isolation |
| CN104965478A (en) * | 2015-06-24 | 2015-10-07 | 许继电气股份有限公司 | High-voltage direct-current transmission converter valve control device and converter valve |
| CN105204482A (en) * | 2015-10-31 | 2015-12-30 | 南京南瑞继保电气有限公司 | Cascaded communication architecture applicable to modular multilevel converter control system |
| CN105204482B (en) * | 2015-10-31 | 2018-02-16 | 南京南瑞继保电气有限公司 | Suitable for the cascade connection type communication construction of modularization multi-level converter control system |
| CN105375746A (en) * | 2015-12-10 | 2016-03-02 | 国家电网公司 | SMC-VBC-VM-based valve control system for IGBT converter valve |
| 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 |
| CN111726161A (en) * | 2019-03-21 | 2020-09-29 | 南京南瑞继保工程技术有限公司 | Online detection method for optical fiber link of modular multilevel converter control system |
| CN110716467A (en) * | 2019-10-16 | 2020-01-21 | 南京南瑞继保电气有限公司 | Communication method and control system |
| CN112995799A (en) * | 2019-12-12 | 2021-06-18 | 南京南瑞继保电气有限公司 | Passive light distribution communication method, communication device, equipment and storage medium |
| CN113497724A (en) * | 2020-03-20 | 2021-10-12 | 南京南瑞继保电气有限公司 | Communication system and communication method of modular multilevel converter |
| 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 |
| WO2024077657A1 (en) * | 2022-10-11 | 2024-04-18 | 许继集团有限公司 | Modular multi-level converter, converter valve system and sub-module networking method |
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Application publication date: 20140618 |