CN104702088A - MMC based flexible direct current transmission valve controller and valve simulator communication method - Google Patents
MMC based flexible direct current transmission valve controller and valve simulator communication method Download PDFInfo
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- CN104702088A CN104702088A CN201510052616.8A CN201510052616A CN104702088A CN 104702088 A CN104702088 A CN 104702088A CN 201510052616 A CN201510052616 A CN 201510052616A CN 104702088 A CN104702088 A CN 104702088A
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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
- H02M1/00—Details of apparatus for conversion
- H02M1/08—Circuits specially adapted for the generation of control voltages for semiconductor devices incorporated in static converters
- H02M1/088—Circuits specially adapted for the generation of control voltages for semiconductor devices incorporated in static converters for the simultaneous control of series or parallel connected semiconductor devices
- H02M1/092—Circuits specially adapted for the generation of control voltages for semiconductor devices incorporated in static converters for the simultaneous control of series or parallel connected semiconductor devices the control signals being transmitted optically
Abstract
The invention relates to an MMC based flexible direct current transmission valve controller and valve simulator communication method. A valve controller and a valve simulator are connected through two-way high-speed optical fibers, the valve controller sends a groups of control pulse signals to the valve simulator at fixed intervals, and the valve simulator sends a group of capacitance voltage signals to the valve controller. P optical fibers are arranged, bridge arm sub modules are sequenced in a sequence with the sub module closest to the direct-current side positive electrode as the number 1 and the sub module shortest in electrical distance to the direct-current side negative electrode electrical as the number N successively, and the ith optical fiber is subjected to data exchange between the 256* (i-1) +1 and 256*i of the valve controller and the valve simulator, wherein i is larger than or equal to 1 and smaller than or equal to P. by the aid of the method, the real-time property, the stability, the accuracy and the rapidness of communication between the MMC based flexible direct current transmission valve controller and valve simulator can be guaranteed.
Description
Technical field
The present invention relates to flexible tributary power transmission engineering technical field, particularly relate to a kind of flexible direct-current transmission valve control device based on MMC and valve simulator communication means.
Background technology
Flexible DC power transmission Engineering Control protection system function test and Dynamic performance examination (Functional Performance Test/Dynamic Performance Test, be called for short FPT/DPT) be the design of Control protection system, manufacture is debugged with engineering site and is tried the key link be connected out, also be inspection and guarantee flexible direct current Control protection system complete function, reliable and stable important means, its main purpose is the requirement whether being reached functional specification and design by experimental examination Control protection system, find design, manufacture and whether have problems with primary system interface, reduce to greatest extent and take Multi-end flexible direct current transmission Control protection system defect to on-the-spot possibility, the risk broken down is dropped to bottom line, ensure high reliability and the availability factor of flexible direct current power transmission system.
The flexible DC power transmission real-time simulation of MMC just starts at present, and correlation technique is ripe not enough.The real-time, stability accuracy and the rapidity that how to realize communicating with valve simulator based on the flexible direct-current transmission valve control device of MMC are important research topics, prior art also in there is no effective technical scheme.
Therefore, not enough for prior art, provide a kind of flexible direct-current transmission valve control device based on MMC and valve simulator communication means very necessary to overcome prior art deficiency.
Summary of the invention
The object of the invention is to avoid the deficiencies in the prior art part and a kind of flexible direct-current transmission valve control device based on MMC and valve simulator communication means are provided, ensure the real-time, stability accuracy and the rapidity that communicate with valve simulator based on the flexible direct-current transmission valve control device of MMC.
Above-mentioned purpose of the present invention is realized by following technological means.
A kind of based on the flexible direct-current transmission valve control device of MMC and the communication means of valve simulator, by bidirectional high speed Fiber connection between valve control and valve simulator, every Fixed Time Interval, valve control sends one group of control wave to valve simulator, and valve simulator sends one group of capacitance voltage signal to valve control simultaneously.
Above-mentioned optical fiber is set to P bar, and P obtains according to formula (I),
P=Int (N/256)+1 ... formula (I),
Wherein, N is the number of the brachium pontis submodule of valve simulator, and Int representative rounds;
Successively brachium pontis submodule is sorted with the order that the submodule that distance DC side positive pole is nearest is sequence number 1, the submodule electrically nearest apart from DC side negative pole is sequence number N, article i-th, optical fiber carries out the 256*(i-1 of valve control and valve simulator) exchanges data between+1 to 256*i brachium pontis submodule, 1≤i≤P.
The concrete steps that above-mentioned valve control sends one group of control wave to valve simulator are:
(1.1) when P >=2, first valve control sends data syn-chronization detection signal, judge that whether the data that multifiber receives are synchronous, when the data syn-chronization that multifiber receives, enter step (1.2), otherwise send the asynchronous warning of data or after revising, return to step (1.1);
As P=1, directly enter step (1.2);
(1.2) valve control sends whether log-on data checking treatment; When needs log-on data verifies, valve control sends 0x12345678, otherwise valve control sends 0xFFFFFFFF;
(1.3) according to submodule order from low to high, be one group with continuous four submodules, described valve control sends pulse signal successively to each submodule, controls the concrete operations of corresponding submodule;
When in step (1.2), valve control sends 0x12345678, whether the packet that the transmission CRC32 check code also comprising step (1.4) sends with determining step (1.3) mates.
In described step (1.1), first valve control sends data synchronizing signal, judges that whether data that multifiber receives are synchronous and carries out especially by following method:
Data synchronizing signal SN is defined as 32, and every the set time, valve control according to sending packet, often sends a secondary data from 0 ~ 0xFFFFFFFF, and data synchronizing signal SN increases by one, when after data synchronizing signal SN=0xFFFFFFFF, then sends SN=0; Valve simulator compares according to the synchronized data signal SN of the different fiber received, and judges that whether the data that multifiber receives are synchronous.
Valve control sends pulse signal to each submodule in described step (1.3), sends respectively and whether triggers submodule corresponding to IGBT pipe, whether locking, whether observes submodule voltage and the setting of repid discharge enabled state, thyristor bypass setting, contactor bypass signalization to each submodule.
Valve control sends the byte ABCDEFGH that pulse signal to the data of each submodule are 8 in described step (1.3), wherein whether the representative of A position triggers IGBT pipe, B position represents the corresponding submodule of locking, the submodule voltage of C position representative observation participation work, E position represents the enable signalization of repid discharge, F position represents thyristor bypass signalization, and G position represents contactor bypass signalization, and D position and H position are spare bit.
The concrete steps that described valve simulator sends one group of capacitance voltage signal to valve control are as follows:
(2.1) when P >=2, first valve simulator sends data synchronizing signal, judge that whether the data that multifiber receives are synchronous, when the data syn-chronization that multifiber receives, enter step (2.2), otherwise send the asynchronous warning of data or after revising, return to step (2.1);
As P=1, directly enter step (2.2);
(2.2) valve simulator sends the number M of the brachium pontis submodule of Optical Fiber Transmission;
(2.3) valve simulator sends 6 32bits tune-up datas and debugs to valve control;
(2.4) it is one group with 256 submodules, valve simulator sends the capacitance voltage of 256 submodules successively, wherein the capacitance voltage of each submodule adopts 16 unsigned numbers to represent, when the submodule number M of reality is less than 256, unnecessary submodule capacitor voltage is filled with 0;
(2.5) be one group with 256 submodules, valve simulator sends the Reflector information of 256 submodules successively, and 1 represents that changing this module there occurs fault, and 0 represents this submodule fault-free;
(2.6) valve simulator sends the bridge arm current of 16bits position;
(2.7) valve simulator sends the fault type signal of 16bits position;
When in step (1.2), valve control sends 0x12345678, the CRC32 checking signal also comprising the valve simulator transmission 32bits position of step (2.8) judges whether packet mates.
In described step (2.1), first valve simulator sends data synchronizing signal, judges that whether data that multifiber receives are synchronous and carries out especially by following method:
Data synchronizing signal SN is defined as 32, and every the set time, valve simulator is complied with from 0 ~ 0xFFFFFFFF and is sent packet, often send a secondary data, data synchronizing signal SN increases by one, when after data synchronizing signal SN=0xFFFFFFFF, then sends SN=0; Valve control compares according to the synchronized data signal SN of the different fiber received, and judges that whether the data that multifiber receives are synchronous.
A kind of flexible direct-current transmission valve control device based on MMC of the present invention and valve simulator communication means, by bidirectional high speed Fiber connection between valve control and valve simulator, every Fixed Time Interval, valve control sends one group of control wave to valve simulator, and valve simulator sends one group of capacitance voltage signal to valve control simultaneously.The present invention is based on flexible direct-current transmission valve control device and the valve simulator communication means of MMC, the real-time, stability accuracy and the rapidity that communicate with valve simulator based on the flexible direct-current transmission valve control device of MMC can be ensured.
Accompanying drawing explanation
The present invention is further illustrated by reference to the accompanying drawings, but the content in accompanying drawing does not form any limitation of the invention.
Fig. 1 is the schematic diagram of a kind of flexible direct-current transmission valve control device based on MMC of the present invention and valve simulator communication means.
Fig. 2 is the sequence number definition schematic diagram of the inventive method bridge arm submodule.
Fig. 3 is the formal definition table of the octet ABCDEFGH that valve control sends to each submodule.
Fig. 4 is the form shfft of the whole packet that valve control sends.
Fig. 5 is the form shfft of the whole data that valve simulator sends.
Fig. 6 is the sample table that valve simulator sends to the data format of valve control.
Embodiment
The invention will be further described with the following Examples.
A kind of based on the flexible direct-current transmission valve control device of MMC and the communication means of valve simulator, as shown in Figure 1, by bidirectional high speed Fiber connection between valve control and valve simulator, every Fixed Time Interval, valve control sends one group of control wave to valve simulator, and valve simulator sends one group of capacitance voltage signal to valve control simultaneously.
Optical fiber is set to P bar, and P obtains according to formula (I),
P=Int (N/256)+1 ... formula (I),
Wherein, N is the number of the brachium pontis submodule of valve simulator, and Int representative rounds;
Sort to brachium pontis submodule successively with the order that the submodule that distance DC side positive pole is nearest is sequence number 1, the submodule electrically nearest apart from DC side negative pole is sequence number N, its sequence schematic diagram as shown in Figure 2.Article i-th, optical fiber carries out the 256*(i-1 of valve control and valve simulator) exchanges data between+1 to 256*i brachium pontis submodule, 1≤i≤P.
It should be noted that, optical fiber can be set to one or more of, decides specifically to need the data volume transmitted.Such as: when brachium pontis submodule number N is less than or equal to 256, only connection valve controller and valve simulator is got final product with a pair optical fiber; When single brachium pontis submodule number N is greater than 256 time, adopt two pairs of Fiber connection, wherein the exchanges data that valve control and valve simulator exchange the 1 to the 256 submodule is responsible for by the first pair of optical fiber, and the exchanges data that valve control and valve simulator exchange the 257 to the N number of submodule is responsible for by the second pair of optical fiber.
The concrete steps that valve control sends one group of control wave to valve simulator are:
(1.1) when P >=2, first valve control sends data syn-chronization detection signal, judge that whether the data that multifiber receives are synchronous, when the data syn-chronization that multifiber receives, enter step (1.2), otherwise send the asynchronous warning of data or after revising, return to step (1.1);
As P=1, directly enter step (1.2).
Concrete, in step (1.1), first valve control sends data synchronizing signal, judges that whether data that multifiber receives are synchronous and carries out especially by following method:
Data synchronizing signal SN is defined as 32, and every the set time, valve control according to sending packet, often sends a secondary data from 0 ~ 0xFFFFFFFF, and data synchronizing signal SN increases by one, when after data synchronizing signal SN=0xFFFFFFFF, then sends SN=0; Valve simulator compares according to the synchronized data signal SN of the different fiber received, and judges that whether the data that multifiber receives are synchronous.
(1.2) valve control sends whether log-on data checking treatment; When needs log-on data verifies, valve control sends 0x12345678, otherwise valve control sends 0xFFFFFFF.As the common practise of this area, in the data that valve control sends, 0x representative data data are below hexadecimal data.
(1.3) according to submodule order from low to high, be one group with continuous four submodules, described valve control sends pulse signal successively to each submodule, controls the concrete operations of corresponding submodule.
Concrete, valve control sends pulse signal to each submodule in step (1.3), sends respectively and whether triggers submodule corresponding to IGBT pipe, whether locking, whether observes submodule voltage and the setting of repid discharge enabled state, thyristor bypass setting, contactor bypass signalization to each submodule.
Valve control sends the byte ABCDEFGH that pulse signal to the data of each submodule are 8 in described step (1.3), wherein whether the representative of A position triggers IGBT pipe, B position represents the corresponding submodule of locking, the submodule voltage of C position representative observation participation work, E position represents the enable signalization of repid discharge, F position represents thyristor bypass signalization, and G position represents contactor bypass signalization, and D position and H position are spare bit.The formal definition table of the octet ABCDEFGH that valve control sends to each submodule as shown in Figure 3.
When in step (1.2), valve control sends 0x12345678, whether the packet that the transmission CRC32 check code also comprising step (1.4) sends with determining step (1.3) mates.It should be noted that, CRC32 verification to be check code the be cyclic redundancy check (CRC) of 32, cyclic redundancy check (CRC) verification is general knowledge known in this field, does not repeat them here.The form shfft of the whole packet that valve control sends as shown in Figure 4.
The concrete steps that valve simulator sends one group of capacitance voltage signal to valve control are as follows:
(2.1) when P >=2, first valve simulator sends data synchronizing signal, judge that whether the data that multifiber receives are synchronous, when the data syn-chronization that multifiber receives, enter step (2.2), otherwise send the asynchronous warning of data or after revising, return to step (2.1);
As P=1, directly enter step (2.2).
Concrete, in step (2.1), first valve simulator sends data synchronizing signal, judges that whether data that multifiber receives are synchronous and carries out especially by following method:
Data synchronizing signal SN is defined as 32, and every the set time, valve simulator is complied with from 0 ~ 0xFFFFFFFF and is sent packet, often send a secondary data, data synchronizing signal SN increases by one, when after data synchronizing signal SN=0xFFFFFFFF, then sends SN=0; Valve control compares according to the synchronized data signal SN of the different fiber received, and judges that whether the data that multifiber receives are synchronous.
(2.2) valve simulator sends the number M of the brachium pontis submodule of Optical Fiber Transmission.
(2.3) valve simulator sends 6 32bits tune-up datas and debugs to valve control.
(2.4) it is one group with 256 submodules, valve simulator sends the capacitance voltage of 256 submodules successively, wherein the capacitance voltage of each submodule adopts 16 unsigned numbers to represent, when the submodule number M of reality is less than 256, unnecessary submodule capacitor voltage is filled with 0.
(2.5) be one group with 256 submodules, valve simulator sends the Reflector information of 256 submodules successively, and 1 represents that changing this module there occurs fault, and 0 represents this submodule fault-free.
(2.6) valve simulator sends the bridge arm current of 16bits position.
(2.7) valve simulator sends the fault type signal of 16bits position.
When in step (1.2), valve control sends 0x12345678, the CRC32 checking signal also comprising the valve simulator transmission 32bits position of step (2.8) judges whether packet mates.
As shown in Figure 5, Fig. 6 is the sample table that valve simulator sends to the data format of valve control to the form shfft of the whole data that valve simulator sends.
Flexible direct-current transmission valve control device based on MMC of the present invention and valve simulator communication means, by bidirectional high speed Fiber connection between valve control and valve simulator, every Fixed Time Interval, valve control sends one group of control wave to valve simulator, valve simulator sends one group of capacitance voltage signal to valve control simultaneously, can ensure the real-time, stability accuracy and the rapidity that communicate with valve simulator based on the flexible direct-current transmission valve control device of MMC.
Finally should be noted that; above embodiment is only in order to illustrate technical scheme of the present invention but not limiting the scope of the invention; although be explained in detail the present invention with reference to preferred embodiment; those of ordinary skill in the art is to be understood that; can modify to technical scheme of the present invention or equivalent replacement, and not depart from essence and the scope of technical solution of the present invention.
Claims (8)
1. one kind based on the flexible direct-current transmission valve control device of MMC and the communication means of valve simulator, it is characterized in that: by bidirectional high speed Fiber connection between valve control and valve simulator, every Fixed Time Interval, valve control sends one group of control wave to valve simulator, and valve simulator sends one group of capacitance voltage signal to valve control simultaneously.
2. according to claim 1ly it is characterized in that: described optical fiber is set to P bar based on the flexible direct-current transmission valve control device of MMC and the communication means of valve simulator, P obtains according to formula (I),
P=Int (N/256)+1 ... formula (I),
Wherein, N is the number of the brachium pontis submodule of valve simulator, and Int representative rounds;
Successively brachium pontis submodule is sorted with the order that the submodule that distance DC side positive pole is nearest is sequence number 1, the submodule electrically nearest apart from DC side negative pole is sequence number N, article i-th, optical fiber carries out the 256*(i-1 of valve control and valve simulator) exchanges data between+1 to 256*i brachium pontis submodule, 1≤i≤P.
3. according to claim 2 based on the flexible direct-current transmission valve control device of MMC and the communication means of valve simulator, it is characterized in that:
The concrete steps that described valve control sends one group of control wave to valve simulator are:
(1.1) when P >=2, first valve control sends data syn-chronization detection signal, judge that whether the data that multifiber receives are synchronous, when the data syn-chronization that multifiber receives, enter step (1.2), otherwise send the asynchronous warning of data or after revising, return to step (1.1);
As P=1, directly enter step (1.2);
(1.2) valve control sends whether log-on data checking treatment; When needs log-on data verifies, valve control sends 0x12345678, otherwise valve control sends 0xFFFFFFFF;
(1.3) according to submodule order from low to high, be one group with continuous four submodules, described valve control sends pulse signal successively to each submodule, controls the concrete operations of corresponding submodule;
When in step (1.2), valve control sends 0x12345678, whether the packet that the transmission CRC32 check code also comprising step (1.4) sends with determining step (1.3) mates.
4. according to claim 3 based on the flexible direct-current transmission valve control device of MMC and the communication means of valve simulator, it is characterized in that: in described step (1.1), first valve control sends data synchronizing signal, judges that whether data that multifiber receives are synchronous and carries out especially by following method:
Data synchronizing signal SN is defined as 32, and every the set time, valve control according to sending packet, often sends a secondary data from 0 ~ 0xFFFFFFFF, and data synchronizing signal SN increases by one, when after data synchronizing signal SN=0xFFFFFFFF, then sends SN=0; Valve simulator compares according to the synchronized data signal SN of the different fiber received, and judges that whether the data that multifiber receives are synchronous.
5. according to claim 3 based on the flexible direct-current transmission valve control device of MMC and the communication means of valve simulator, it is characterized in that:
Valve control sends pulse signal to each submodule in described step (1.3), sends respectively and whether triggers submodule corresponding to IGBT pipe, whether locking, whether observes submodule voltage and the setting of repid discharge enabled state, thyristor bypass setting, contactor bypass signalization to each submodule.
6. according to claim 5 based on the flexible direct-current transmission valve control device of MMC and the communication means of valve simulator, it is characterized in that:
Valve control sends the byte ABCDEFGH that pulse signal to the data of each submodule are 8 in described step (1.3), wherein whether the representative of A position triggers IGBT pipe, B position represents the corresponding submodule of locking, the submodule voltage of C position representative observation participation work, E position represents the enable signalization of repid discharge, F position represents thyristor bypass signalization, and G position represents contactor bypass signalization, and D position and H position are spare bit.
7. according to claim 2 to 6 any one based on the flexible direct-current transmission valve control device of MMC and the communication means of valve simulator, it is characterized in that:
The concrete steps that described valve simulator sends one group of capacitance voltage signal to valve control are as follows:
(2.1) when P >=2, first valve simulator sends data synchronizing signal, judge that whether the data that multifiber receives are synchronous, when the data syn-chronization that multifiber receives, enter step (2.2), otherwise send the asynchronous warning of data or after revising, return to step (2.1);
As P=1, directly enter step (2.2);
(2.2) valve simulator sends the number M of the brachium pontis submodule of Optical Fiber Transmission;
(2.3) valve simulator sends 6 32bits tune-up datas and debugs to valve control;
(2.4) it is one group with 256 submodules, valve simulator sends the capacitance voltage of 256 submodules successively, wherein the capacitance voltage of each submodule adopts 16 unsigned numbers to represent, when the submodule number M of reality is less than 256, unnecessary submodule capacitor voltage is filled with 0;
(2.5) be one group with 256 submodules, valve simulator sends the Reflector information of 256 submodules successively, and 1 represents that changing this module there occurs fault, and 0 represents this submodule fault-free;
(2.6) valve simulator sends the bridge arm current of 16bits position;
(2.7) valve simulator sends the fault type signal of 16bits position;
When in step (1.2), valve control sends 0x12345678, the CRC32 checking signal also comprising the valve simulator transmission 32bits position of step (2.8) judges whether packet mates.
8. according to claim 7 based on the flexible direct-current transmission valve control device of MMC and the communication means of valve simulator, it is characterized in that:
In described step (2.1), first valve simulator sends data synchronizing signal, judges that whether data that multifiber receives are synchronous and carries out especially by following method:
Data synchronizing signal SN is defined as 32, and every the set time, valve simulator is complied with from 0 ~ 0xFFFFFFFF and is sent packet, often send a secondary data, data synchronizing signal SN increases by one, when after data synchronizing signal SN=0xFFFFFFFF, then sends SN=0; Valve control compares according to the synchronized data signal SN of the different fiber received, and judges that whether the data that multifiber receives are synchronous.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105259784A (en) * | 2015-10-23 | 2016-01-20 | 南方电网科学研究院有限责任公司 | Power system simulation oriented signaling coding method and high-speed data transmission method thereof |
| CN108321758A (en) * | 2018-04-03 | 2018-07-24 | 南方电网科学研究院有限责任公司 | A kind of interface method and device of MMC valve control protective unit and real-time simulator |
| CN108347166A (en) * | 2017-01-24 | 2018-07-31 | 台达电子企业管理（上海）有限公司 | Power module train |
| CN111181190A (en) * | 2020-01-15 | 2020-05-19 | 许继集团有限公司 | Direct-current converter valve control system and switching control method and device thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102130441A (en) * | 2011-03-16 | 2011-07-20 | 中国电力科学研究院 | Protection configuration method of flexible direct-current (DC) transmission system of modular multiple-level converter |
| CN103226620A (en) * | 2013-03-25 | 2013-07-31 | 南京南瑞继保电气有限公司 | State information processing method for SMC modules |
| 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 |
-
2015
- 2015-02-02 CN CN201510052616.8A patent/CN104702088A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102130441A (en) * | 2011-03-16 | 2011-07-20 | 中国电力科学研究院 | Protection configuration method of flexible direct-current (DC) transmission system of modular multiple-level converter |
| CN103226620A (en) * | 2013-03-25 | 2013-07-31 | 南京南瑞继保电气有限公司 | State information processing method for SMC modules |
| 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 |
Non-Patent Citations (2)
| Title |
|---|
| 欧开健等: "基于RTDS和实际控制装置的MMC柔性直流输电仿真技术与应用", 《2013年中国电机工程学会年会论文集》 * |
| 翟晓萌: "MMC-HVDC物理模拟系统子模块控制器的研制", 《中国优秀硕士学位论文全文数据库（工程科技Ⅱ辑）》 * |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105259784A (en) * | 2015-10-23 | 2016-01-20 | 南方电网科学研究院有限责任公司 | Power system simulation oriented signaling coding method and high-speed data transmission method thereof |
| CN108347166A (en) * | 2017-01-24 | 2018-07-31 | 台达电子企业管理（上海）有限公司 | Power module train |
| CN108347166B (en) * | 2017-01-24 | 2019-11-05 | 台达电子企业管理（上海）有限公司 | Power module train |
| CN108321758A (en) * | 2018-04-03 | 2018-07-24 | 南方电网科学研究院有限责任公司 | A kind of interface method and device of MMC valve control protective unit and real-time simulator |
| CN108321758B (en) * | 2018-04-03 | 2024-03-26 | 南方电网科学研究院有限责任公司 | Interface method and device of MMC valve control protection device and real-time simulator |
| CN111181190A (en) * | 2020-01-15 | 2020-05-19 | 许继集团有限公司 | Direct-current converter valve control system and switching control method and device thereof |
| CN111181190B (en) * | 2020-01-15 | 2021-12-24 | 许继集团有限公司 | Direct-current converter valve control system and switching control method and device thereof |
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Application publication date: 20150610 |