WO2022061927A1 - Sous-module de convertisseur multiniveau modulaire et système de commande, procédé et appareil pour convertisseur multiniveau modulaire - Google Patents

Sous-module de convertisseur multiniveau modulaire et système de commande, procédé et appareil pour convertisseur multiniveau modulaire Download PDF

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WO2022061927A1
WO2022061927A1 PCT/CN2020/118555 CN2020118555W WO2022061927A1 WO 2022061927 A1 WO2022061927 A1 WO 2022061927A1 CN 2020118555 W CN2020118555 W CN 2020118555W WO 2022061927 A1 WO2022061927 A1 WO 2022061927A1
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module
sub
modules
wireless communication
communication connection
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PCT/CN2020/118555
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English (en)
Chinese (zh)
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赵研峰
姚吉隆
石磊
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西门子股份公司
西门子（中国）有限公司
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Priority to CN202080103367.XA priority Critical patent/CN115885463A/zh
Priority to PCT/CN2020/118555 priority patent/WO2022061927A1/fr
Publication of WO2022061927A1 publication Critical patent/WO2022061927A1/fr

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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

Definitions

  • the present application relates to the field of modular multilevel converters (Modular Multilevel Converter, MMC), and in particular, to a sub-module, control system, method and device of an MMC.
  • MMC Modular Multilevel Converter
  • MMC is a new type of voltage conversion circuit. It can superimpose and output high voltage by cascading multiple submodules. It also has the characteristics of less output harmonics and high modularity. Therefore, it is widely used in power systems. has broad application prospects.
  • Common sub-module topologies include half-bridge sub-modules and full-bridge sub-modules, and so on. Among them, the half-bridge sub-module is the most common application in the current project, but it does not have the ability to ride through the DC fault, and needs to rely on the AC circuit breaker to remove the fault current.
  • the full-bridge sub-module has DC fault ride-through capability, but due to large investment and operating losses, there is no large-scale engineering application at present.
  • a unified central control unit centrally controls the sending of control commands to sub-modules via optical fibers.
  • fiber is prone to become a bottleneck for failures.
  • the centralized control method has security problems. For example, when the central control unit fails, all sub-modules cannot work. Moreover, concentrating the control functions of all sub-modules to a unified central control unit may also reduce the real-time performance of the MMC.
  • the main purpose of the embodiments of the present invention is to provide an MMC sub-module, control system, method and apparatus.
  • a sub-module of MMC including:
  • a sensor module adapted to detect parameters of the submodule
  • a wireless communication module adapted to establish a first wireless communication connection with the control system
  • a processor adapted to send a first notification message containing the parameter to the control system based on the first wireless communication connection, and/or to receive a first notification message from the control system based on the first wireless communication connection Control instruction.
  • the embodiment of the present invention realizes a sub-module with wireless communication capability, which does not need to use optical fibers to communicate with the outside world, can reduce hardware costs, and overcome the fault bottleneck defect of optical fibers.
  • it also includes:
  • a commutation module which is adapted for commutation
  • a processor further adapted to receive, based on the first wireless communication connection, a second notification message from the control system including a target electrical property value for the MMC;
  • a wireless communication module which is also adapted to establish a second wireless communication connection with other submodules in the MMC;
  • the processor is further adapted to receive, based on the second wireless communication connection, a third notification message from the other sub-modules including parameters of the other sub-modules, based on the target electrical property value and the relationship between the other sub-modules
  • the parameter determines a second control command for controlling the converter module.
  • the sub-module in the embodiment of the present invention can also generate a second control instruction for controlling the converter module in itself based on the target electrical property value and the parameters of other sub-modules. Therefore, the sub-module has a control function, which overcomes the defect that the control function is concentrated in the central control unit and is prone to failure, and also improves the real-time performance of the MMC.
  • the converter module includes a half-bridge type sub-module circuit structure or a full-bridge type sub-module circuit structure.
  • the converter module has various circuit structures.
  • the wireless communication module includes at least one of the following:
  • WI-FI module Zigbee module; Bluetooth module; second generation mobile communication module; third generation mobile communication module; fourth generation mobile communication module; fifth generation mobile communication module; and/or
  • the sensor module includes at least one of the following: a current sensor; a voltage sensor; a temperature sensor.
  • the wireless communication module and the sensor module have various implementations and have a wide range of applications.
  • An MMC comprising the submodule as described in any of the above.
  • an MMC that includes sub-modules with wireless communication capabilities.
  • a control system of an MMC the MMC includes N sub-modules, N is a positive integer at least 2, and each sub-module includes a respective wireless communication module; the control system includes:
  • a user terminal adapted to receive from each submodule a notification message containing the parameters of the respective submodule based on the wireless communication connection with the wireless communication module of each submodule;
  • a terminal is configured, which is adapted to send control instructions to each sub-module respectively based on the wireless communication connection with the wireless communication module of each sub-module.
  • the embodiment of the present invention realizes a control system based on wireless communication, which not only saves the hardware cost, but also overcomes the fault bottleneck defect of the optical fiber.
  • the wireless communication module is a Zigbee module
  • the N Zigbee modules of the N sub-modules are networked in a star topology, a tree topology or a mesh topology.
  • Zigbee modules can be networked in various ways.
  • a control method of MMC, the modular multilevel converter includes N sub-modules, each sub-module includes a respective wireless communication module, wherein N is a positive integer greater than or equal to 2, the method includes:
  • each of the N submodules to send a first notification message containing the parameter to the control system based on the first wireless communication connection, and/or from all submodules based on the first wireless communication connection
  • the control system receives the first control command.
  • the embodiment of the present invention realizes an MMC control method based on wireless communication, which not only saves the hardware cost, but also overcomes the fault bottleneck defect of the optical fiber.
  • the method further includes:
  • each of the N submodules to receive, from the control system, a second notification message containing a target electrical property value of the modular multilevel converter based on the first wireless communication connection;
  • each of the N submodules to receive, based on the second wireless communication connection, a third notification message containing parameters of the other submodules from the other submodules;
  • Each of the N sub-modules is enabled to determine a second control instruction for controlling the converter module in the respective sub-module based on the target electrical property value and the parameters of the other sub-modules.
  • the sub-module in the embodiment of the present invention can also generate a second control instruction for controlling the converter module in itself based on the target electrical property value and the parameters of other sub-modules. Therefore, the sub-module has a control function, which overcomes the defect that the control function is concentrated in the central control unit and is prone to failure, and also improves the real-time performance of the MMC.
  • An MMC control device the MMC includes N sub-modules, each sub-module includes a respective wireless communication module, wherein N is a positive integer greater than or equal to 2, the device includes:
  • a first enabling module adapted to enable each of the N submodules to detect the parameters of the respective submodule
  • a second enabling module adapted to enable each of the N sub-modules to establish a first wireless communication connection with the control system
  • a third enabling module adapted to enable each of the N sub-modules to send a first notification message containing the parameter to the control system based on the first wireless communication connection, and/or A first control instruction is received from the control system based on the first wireless communication connection.
  • the embodiment of the present invention realizes an MMC control device based on wireless communication, which not only saves the hardware cost, but also overcomes the fault bottleneck defect of the optical fiber.
  • it also includes:
  • a fourth enabling module adapted to enable each of the N sub-modules to receive, based on the first wireless communication connection, a second data containing the target electrical property value of the MMC from the control system notification message;
  • a fifth enabling module adapted to enable each of the N sub-modules to establish a second wireless communication connection with other sub-modules in the MMC;
  • a sixth enabling module adapted to enable each of the N sub-modules to receive a third notification message containing parameters of the other sub-modules from the other sub-modules based on the second wireless communication connection ;
  • a seventh enabling module adapted to enable each of the N sub-modules to determine, based on the target electrical property value and parameters of the other sub-modules, for controlling the The second control command of the converter module.
  • the sub-module in the embodiment of the present invention can also generate a second control instruction for controlling the converter module in itself based on the target electrical property value and the parameters of other sub-modules. Therefore, the sub-module has a control function, which overcomes the defect that the control function is concentrated in the central control unit and is prone to failure, and also improves the real-time performance of the MMC.
  • a control device of an MMC comprising a processor and a memory
  • An application program executable by the processor is stored in the memory for causing the processor to execute the MMC control method as described above.
  • the proposed MMC control device with processor-memory architecture does not need to use optical fibers to communicate with the outside world, which can reduce hardware costs and overcome the fault bottleneck defect of optical fibers.
  • a computer-readable storage medium storing computer-readable instructions for executing the above-mentioned control method of the MMC.
  • the computer-readable storage medium containing computer-readable instructions which does not need to use optical fibers to communicate with the outside world, can reduce hardware costs, and overcome the failure bottleneck defect of optical fibers.
  • FIG. 1 is an exemplary block diagram of sub-modules of an MMC according to an embodiment of the present invention.
  • FIG. 2 is a first exemplary structural diagram of a control system of an MMC according to an embodiment of the present invention.
  • FIG. 3 is a second exemplary structural diagram of a control system of an MMC according to an embodiment of the present invention.
  • FIG. 4 is a flowchart of a control method of an MMC according to an embodiment of the present invention.
  • FIG. 5 is a structural diagram of a control device of an MMC according to an embodiment of the present invention.
  • FIG. 6 is a structural diagram of a control device of an MMC having a processor-memory architecture according to an embodiment of the present invention.
  • FIG. 7 is an exemplary structural diagram of an MMC according to an embodiment of the present invention.
  • Temperature Sensor 61 wireless communication module 62 processor interface 41 Drive protection circuit 42 Converter module 100 Control System of Modular Multilevel Converter 80 MMC 10 Zigbee Gateway 11 Communications network 12 User terminal 13 Configure Terminal 70a Zigbee module as coordinator 200 MMC control system 90 MMC 400 Control method of MMC 401 ⁇ 407 step 500 Controls for MMC 501 first enable module 502 Second enable module 503 The third enabling module 504 Fourth enable module 505 Fifth enabling module 506 The sixth enabling module 507 Seventh enable module 600 Controls for MMC 601 processor 602 memory 20 MMC 31 A-phase circuit 32 B-phase circuit 33 C-phase circuit 311 first half bridge circuit 312 second half bridge circuit 313, 314 Current sharing inductor
  • the embodiments of the present invention provide a sub-module with wireless communication capability, which does not need to use optical fibers to communicate with the outside world, can reduce hardware costs, and overcome the fault bottleneck defect of optical fibers.
  • FIG. 1 is an exemplary block diagram of sub-modules of an MMC according to an embodiment of the present invention.
  • the sub-module 70 includes:
  • a sensor module 50 adapted to detect parameters of the sub-module 70
  • a wireless communication module 61 which is adapted to establish a first wireless communication connection with the control system
  • a processor 71 adapted to send a first notification message containing the parameter to the control system based on the first wireless communication connection, and/or to receive a first notification message from the control system based on the first wireless communication connection a control command.
  • the wireless communication module 61 includes at least one of the following: a WI-FI module; a Zigbee module; a Bluetooth module; a second-generation mobile communication module; a third-generation mobile communication module; a fourth-generation mobile communication module; Five generations of mobile communication modules; and so on.
  • the sensor module 50 includes at least one of the following: a current sensor; a voltage sensor; a temperature sensor, and the like.
  • the current sensor 51 detects the current of the sub-module 70
  • the voltage sensor 52 detects the voltage of the sub-module 70
  • the sensor module 50 includes the temperature sensor 53
  • the temperature sensor 53 detects the temperature of the submodule 70 .
  • Submodule 70 also includes processor interface 62 .
  • Wireless communication module 61 is coupled to processor 71 via processor interface 62 . After receiving the first control command from the control system based on the first wireless communication connection, the wireless communication module 61 sends the first control command to the processor 71 via the processor interface 62, so that the processor 71 executes the first control command.
  • the processor 71 generates a first notification message including parameters based on the detection value of the sensor module 50, and sends the first notification message to the wireless communication module 61 via the processor interface 62, so that the wireless communication module 61 sends the information to the wireless communication module 61 based on the first wireless communication connection.
  • the control system sends the first notification message.
  • the processor interface 62 and the wireless communication module 61 may be integrated into the communication module 60 .
  • the sub-module 70 further comprises: a commutation module 40 adapted to commutate; a processor 71 further adapted to receive from the control system based on the first wireless communication connection The second notification message of the target electrical property value of the MMC; the wireless communication module 61, which is further adapted to establish a second wireless communication connection with other sub-modules in the MMC; the processor 71, which is further adapted to establish a second wireless communication connection based on the a second wireless communication connection, receiving a third notification message including parameters of the other submodules from the other submodules, and determining, based on the target electrical property value and the parameters of the other submodules, a third notification message for controlling the converter module 40 the second control command.
  • the control system sends a second notification message expecting the MMC to output a positive voltage of 50KV
  • the processor 71 sums the values provided by other sub-modules.
  • the output voltage when it is determined that the current MMC does not reach a positive voltage of 50KV (for example, only 40KV), an instruction for controlling the switching module 40 to be switched on or switched off is generated. For example, if the current sub-module is located in the upper arm, the converter module 40 is switched on to increase the output positive voltage; if the current sub-module is located in the lower arm, the converter module 40 is switched out to reduce the output negative voltage.
  • the sub-module in the embodiment of the present invention can also generate a second control instruction for controlling the converter module in itself based on the target electrical property value and the parameters of other sub-modules. Therefore, the sub-module has a control function, which overcomes the defect that the control function is concentrated in the central control unit and is prone to failure, and also improves the real-time performance of the MMC.
  • the sub-module 70 can be implemented as a half-bridge type sub-module or a full-bridge type sub-module, and so on.
  • an embodiment of the present invention further proposes an MMC.
  • the MMC includes submodules 70 as described above.
  • FIG. 7 is an exemplary structural diagram of an MMC according to an embodiment of the present invention.
  • MMC20 includes:
  • the A-phase circuit 31 is connected to the DC power supply U dc ;
  • the B-phase circuit 32 is connected to the DC power supply U dc ;
  • the C-phase circuit 33 is connected to the DC power supply U dc ;
  • the A-phase circuit 31 , the B-phase circuit 32 and the C-phase circuit 33 have the same first circuit topology;
  • the first circuit topology includes: a first half-bridge circuit 311 ; a second half-bridge circuit 312 ; two current-sharing inductors 313, 314, connected in series between the first half-bridge circuit 311 and the second half-bridge circuit 312; wherein the first half-bridge circuit 311 and the second half-bridge circuit 312 have the same second circuit topology;
  • the second circuit topology Contains a number of sub-modules 70 as described above.
  • the number of sub-modules 70 in the first half-bridge circuit 311 can be conveniently increased to increase the output voltage of the MMC 20
  • the number of sub-modules 70 in the second half-bridge circuit 312 can be conveniently decreased to reduce the MMC 20 the output voltage.
  • the embodiment of the present invention also proposes a control system of the MMC.
  • the MMC may include N sub-modules 70 as shown in FIG. 1 , where N is a positive integer of at least 2, and each sub-module 70 includes a respective wireless communication module 61 .
  • the control system includes: a user terminal adapted to receive a notification message from each submodule 70 containing the parameters of the respective submodule based on the wireless communication connection with the wireless communication module 61 of each submodule 70; the configuration terminal , which is adapted to send control instructions to each sub-module 70 respectively based on the wireless communication connection with the wireless communication module 61 of each sub-module.
  • the wireless communication module 61 is implemented as a Zigbee module.
  • Zigbee is a technical solution between wireless tag technology and Bluetooth. It is widely used in sensor networks and other fields, thanks to its powerful It can form Zigbee networks such as star, tree and mesh.
  • the N Zigbee modules of the N sub-modules in the MMC can be networked in a star topology, a tree topology or a mesh topology.
  • FIG. 2 is a first exemplary structural diagram of a control system of an MMC according to an embodiment of the present invention.
  • N Zigbee modules of N sub-modules 70 in the MMC 80 are networked in a star topology.
  • the sub-module 70 a including the Zigbee module as a coordinator is connected to the Zigbee gateway 10 .
  • the user terminal 12 and the configuration terminal 13 are connected to the Zigbee gateway 10 via the communication network 11, respectively.
  • Each of the N sub-modules 70 serving as a Zigbee node realizes information forwarding with the outside of the MMC 80 via the sub-module 70a.
  • a notification message including the parameters of each sub-module 70 can be sent to the user terminal 12 , and a control instruction about each sub-module 70 can also be received from the configuration terminal 13 .
  • it further includes an integrated sub-module control function on the sub-module 70a of the Zigbee module as the coordinator.
  • the sub-module 70a determines whether the sub-module is switched in or the sub-module is switched out according to the state of the MMC 80 .
  • the control system sends a notification message to the sub-module 70a that the MMC 80 is expected to output a positive voltage of 50KV.
  • the sub-module 70a receives electrical property values (eg, output voltage) of each sub-module 70 in the MMC 80 except for the sub-module 70a.
  • the processor 71 in the sub-module 70a sums the output voltages provided by the various sub-modules 70, determines that the MMC 80 is not equal to the positive voltage of 50KV (for example, only 30KV or 60KV), and then generates an output voltage for controlling the MMC 80 except for the sub-module 70a.
  • Each sub-module 70 of the sub-module 70 puts in or cuts out the instruction, so as to ensure that the MMC 80 achieves the target electrical property value.
  • FIG. 3 is a second exemplary structural diagram of a control system of a modular multilevel converter according to an embodiment of the present invention.
  • the N Zigbee modules of the N sub-modules 70 in the MMC 90 are in a mesh topology.
  • the sub-module 70 a including the Zigbee module as the coordinator is connected to the Zigbee gateway 10 .
  • the user terminal 12 and the configuration terminal 13 are connected to the Zigbee gateway 10 via the communication network 11, respectively.
  • the submodules closer to the submodule 70a realize information forwarding outside the MMC 90 via the submodule 70a, for example, a notification message containing the parameters of the respective submodules can be sent to the user terminal 12, and a control instruction can also be received from the configuration terminal 13.
  • the submodules that are far away from the submodules 70a are connected to the submodules 70a via the routing function of the submodules that are nearby as routers, so as to realize the sending of the notification message containing the parameters of the respective submodules to the user terminal 12, or from the configuration terminal 13.
  • Receive control commands Preferably, the integrated sub-module control function on the sub-module 70a of the Zigbee module as the coordinator is further included.
  • the sub-module 70a determines whether the sub-module is switched in or the sub-module is switched out according to the state of the MMC 90 .
  • the control system sends a notification message to the sub-module 70a that the MMC 90 is expected to output a positive voltage of 80KV.
  • the sub-module 70a receives electrical property values (eg, output voltage) of each sub-module 70 in the MMC 90 except the sub-module 70a.
  • the processor 71 in the sub-module 70a sums the output voltages provided by the various sub-modules 70, determines that the MMC 90 is not equal to a positive voltage of 80KV (for example, only 50KV or 100KV), and then generates a voltage for controlling the MMC 90 except for the sub-module 70a.
  • Each sub-module 70 of the sub-module 70 puts in or cuts out the instruction, so as to ensure that the MMC 90 achieves the target electrical property value.
  • the input number of sub-modules of the upper arm is increased to increase the output positive voltage of MMC90; when the current output voltage of MMC90 is greater than the target electrical property value, the lower arm is increased
  • the input number of sub-modules can reduce the output positive voltage of MMC90.
  • an embodiment of the present invention also proposes a control method for the MMC.
  • FIG. 4 is a flowchart of a control method of an MMC according to an embodiment of the present invention.
  • the MMC may include N sub-modules 70 as shown in FIG. 1 , each sub-module 70 includes a respective wireless communication module 61 , where N is a positive integer greater than or equal to 2.
  • the method 400 includes:
  • Step 401 Enable each of the N sub-modules to detect the parameters of the respective sub-modules.
  • Step 402 Enable each of the N sub-modules to establish a first wireless communication connection with the control system.
  • Step 403 Enable each of the N sub-modules to send a first notification message containing the parameter to the control system based on the first wireless communication connection, and/or based on the first wireless communication
  • a connection receives a first control command from the control system.
  • the method 400 further includes:
  • Step 404 Enable each of the N sub-modules to receive a second notification message from the control system including the target electrical property value of the MMC based on the first wireless communication connection.
  • Step 405 Enable each of the N sub-modules to establish a second wireless communication connection with other sub-modules in the MMC.
  • Step 406 Enable each of the N sub-modules to receive a third notification message including parameters of other sub-modules from the other sub-modules 70 based on the second wireless communication connection.
  • Step 407 Enable each of the N sub-modules to determine a second control for controlling the converter modules in the respective sub-modules based on the target electrical property value and the parameters of the other sub-modules instruction.
  • an embodiment of the present invention also proposes an MMC control apparatus.
  • FIG. 5 is a block diagram of a control device for MMC according to an embodiment of the present invention.
  • the MMC may include N sub-modules 70 as shown in FIG. 1 , each sub-module 70 includes a respective wireless communication module 61 , where N is a positive integer greater than or equal to 2.
  • the apparatus 500 includes: a first enabling module 501 adapted to enable each of the N sub-modules to detect parameters of the respective sub-modules; a second enabling module 502 , which is adapted to enable each of the N sub-modules to establish a first wireless communication connection with the control system; a third enabling module 503 is adapted to enable each of the N sub-modules The module sends a first notification message containing the parameter to the control system based on the first wireless communication connection, and/or receives a first control instruction from the control system based on the first wireless communication connection.
  • the apparatus 500 further comprises: a fourth enabling module 504 adapted to enable each of the N sub-modules to connect from the control system based on the first wireless communication connection receiving a second notification message containing the target electrical property value of the modular multilevel converter; a fifth enabling module 505 adapted to enable each of the N submodules to communicate with the other submodules in the modular multilevel converter establish a second wireless communication connection; a sixth enabling module 506 adapted to enable each of the N submodules based on the second wireless a communication connection, receiving a third notification message containing parameters of the other submodules from the other submodules; a seventh enabling module 507 adapted to enable each of the N submodules based on the target The electrical property value and the parameters of the other sub-modules determine a second control command for controlling the converter modules in the respective sub-modules.
  • a fourth enabling module 504 adapted to enable each of the N sub-modules to connect from the control system based on the first wireless
  • an embodiment of the present invention further provides an MMC control apparatus.
  • FIG. 6 is a block diagram of a control device of an MMC according to an embodiment of the present invention.
  • the control apparatus includes a processor 601 and a memory 602; the memory 602 stores an application program executable by the processor 601, so as to make the processor 601 execute any one of the MMC control methods above.
  • An embodiment of the present invention further provides a computer-readable storage medium, in which computer-readable instructions are stored, and the computer-readable instructions are used to execute the control method for a modular multilevel converter as described in any one of the above.
  • the hardware modules in various embodiments may be implemented mechanically or electronically.
  • a hardware module may include specially designed permanent circuits or logic devices (eg, special purpose processors, such as FPGAs or ASICs) for performing specific operations.
  • Hardware modules may also include programmable logic devices or circuits (eg, including general-purpose processors or other programmable processors) temporarily configured by software for performing particular operations.
  • programmable logic devices or circuits eg, including general-purpose processors or other programmable processors
  • the present invention also provides a machine-readable storage medium storing instructions for causing a machine to perform a method as described herein.
  • a system or device equipped with a storage medium on which software program codes for realizing the functions of any one of the above-described embodiments are stored, and make the computer (or CPU or MPU of the system or device) ) to read and execute the program code stored in the storage medium.
  • a part or all of the actual operation can also be completed by an operating system or the like operating on the computer based on the instructions of the program code.
  • the program code read from the storage medium can also be written into the memory provided in the expansion board inserted into the computer or into the memory provided in the expansion unit connected to the computer, and then the instructions based on the program code make the device installed in the computer.
  • the CPU on the expansion board or the expansion unit or the like performs part and all of the actual operations, so as to realize the functions of any one of the above-mentioned embodiments.
  • Embodiments of storage media for providing program code include floppy disks, hard disks, magneto-optical disks, optical disks (eg, CD-ROM, CD-R, CD-RW, DVD-ROM, DVD-RAM, DVD-RW, DVD+RW), Magnetic tapes, non-volatile memory cards and ROMs.
  • the program code may be downloaded from a server computer over a communications network.

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Abstract

Sous-module d'un convertisseur multiniveau modulaire (CMM ou MMC) et système de commande, procédé et appareil destinés au convertisseur multiniveau modulaire. Le sous-module (70) du convertisseur multiniveau modulaire comprend : un module de capteur (50), conçu pour détecter des paramètres du sous-module (70) ; un module de communication sans fil (61), conçu pour établir une première connexion de communication sans fil avec un système de commande ; et un processeur (71), conçu pour envoyer un premier message de notification contenant les paramètres au système de commande selon la première connexion de communication sans fil et/ou pour recevoir une première instruction de commande provenant du système de commande selon la première connexion de communication sans fil. On obtient un sous-module (70) à capacité de communication sans fil et à coût potentiellement réduit. On obtient en outre une commande distribuée, permettant de résoudre le problème de sécurité de commande centralisée.
PCT/CN2020/118555 2020-09-28 2020-09-28 Sous-module de convertisseur multiniveau modulaire et système de commande, procédé et appareil pour convertisseur multiniveau modulaire WO2022061927A1 (fr)

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CN202080103367.XA CN115885463A (zh) 2020-09-28 2020-09-28 模块化多电平换流器的子模块、控制系统、方法和装置
PCT/CN2020/118555 WO2022061927A1 (fr) 2020-09-28 2020-09-28 Sous-module de convertisseur multiniveau modulaire et système de commande, procédé et appareil pour convertisseur multiniveau modulaire

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PCT/CN2020/118555 WO2022061927A1 (fr) 2020-09-28 2020-09-28 Sous-module de convertisseur multiniveau modulaire et système de commande, procédé et appareil pour convertisseur multiniveau modulaire

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Citations (7)

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