WO2022033218A1 - Appareil et procédé d'alimentation électrique basés sur un volant à grande vitesse, et dispositif associé - Google Patents

Appareil et procédé d'alimentation électrique basés sur un volant à grande vitesse, et dispositif associé Download PDF

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WO2022033218A1
WO2022033218A1 PCT/CN2021/103416 CN2021103416W WO2022033218A1 WO 2022033218 A1 WO2022033218 A1 WO 2022033218A1 CN 2021103416 W CN2021103416 W CN 2021103416W WO 2022033218 A1 WO2022033218 A1 WO 2022033218A1
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WIPO (PCT)
Prior art keywords
power supply
permanent magnet
magnet synchronous
speed flywheel
control rod
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PCT/CN2021/103416
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English (en)
Chinese (zh)
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于艇
孙辉
叶育林
刘晨
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中广核工程有限公司
深圳中广核工程设计有限公司
中国广核集团有限公司
中国广核电力股份有限公司
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Publication of WO2022033218A1 publication Critical patent/WO2022033218A1/fr

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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00—Circuit arrangements for ac mains or ac distribution networks
    • H02J3/28—Arrangements for balancing of the load in a network by storage of energy
    • H02J3/30—Arrangements for balancing of the load in a network by storage of energy using dynamo-electric machines coupled to flywheels
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
    • H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
    • H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
    • H02J9/08—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems requiring starting of a prime-mover
    • 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
    • H02M7/66—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output with possibility of reversal
    • 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
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/16—Mechanical energy storage, e.g. flywheels or pressurised fluids

Definitions

  • the present application relates to the field of nuclear power technology, and in particular, to a power supply device, method and related equipment based on a high-speed flywheel.
  • the Control Rod Drive Mechanism is a step-by-step hoisting mechanism, which is an important component to ensure the safe and reliable operation of nuclear power plants.
  • the power supply device needs to supply power to the control rod driving mechanism stably to ensure the normal operation of the control rod driving mechanism. Because the power consumption of the nuclear power plant sometimes fluctuates, and the control rod driving mechanism will also produce load shocks, it is necessary to configure a power supply device with an energy storage function for the control rod driving mechanism.
  • nuclear power plants generally use a motor-generator set (RAM) or a power system that uses lead-acid batteries for energy storage as the CRDM power source.
  • RAM motor-generator set
  • the specific structure of the motor-generator set (RAM) is relatively complex, and there are many energy conversion links, large mechanical losses, and low power efficiency. And equipment failure rate and operation and maintenance costs are high.
  • lead-acid batteries have low power density and large footprint. The battery has high requirements on the workshop, and the battery room needs to be configured separately, and the battery needs to be regularly maintained.
  • the purpose of the embodiments of the present application is to propose a high-speed flywheel-based power supply device, method, and related equipment, with high power supply efficiency, small footprint, and easy maintenance.
  • the embodiment of the present application provides a power supply method based on a high-speed flywheel, and adopts the following technical solutions:
  • a power supply device based on a high-speed flywheel supplies power to a control rod drive mechanism, and the power supply device includes a high-speed flywheel, a permanent magnet synchronous motor, a bidirectional converter, a rectifier and an inverter output device;
  • the permanent magnet synchronous motor is electrically connected to the high-speed flywheel and the bidirectional converter respectively;
  • the bidirectional converter, the rectifier and the inverter output device are electrically connected in pairs;
  • the rectifier receives plant power, and the inverter output device is connected to the control rod drive mechanism.
  • the bidirectional converter is composed of a bridge circuit.
  • a switch device is provided between the inverter output device and the control rod driving mechanism.
  • a method of using the above-mentioned high-speed flywheel-based power supply device comprising the steps of:
  • the factory power is delivered to the control rod driving mechanism and the high-speed flywheel through the rectifier and the inverter output device, so as to supply power to the control rod driving mechanism;
  • the permanent magnet synchronous motor When the current power supply state is abnormal power supply, the permanent magnet synchronous motor is driven to rotate by the high-speed flywheel, so that the permanent magnet synchronous motor generates current, and the current generated by the permanent magnet synchronous motor is transmitted to the control rod a drive mechanism to supply power to the control rod drive mechanism.
  • the factory power is delivered to the control rod driving mechanism and the high-speed flywheel through the rectifier and the inverter output device, so as to supply power to the control rod driving mechanism
  • the steps include:
  • the factory power is delivered to the control rod driving mechanism through the rectifier and the inverter output device, so as to supply power to the control rod driving mechanism;
  • the motor mode of the permanent magnet synchronous motor is activated, and the high-speed flywheel is driven to rotate by the permanent magnet synchronous motor in the motor mode.
  • the permanent magnet synchronous motor is driven to rotate by the high-speed flywheel, so that the permanent magnet synchronous motor generates current, and the current generated by the permanent magnet synchronous motor is transmitted to the
  • the steps of the control rod drive mechanism include:
  • the generator mode of the permanent magnet synchronous motor is started, and the permanent magnet synchronous motor in the generator mode is driven to rotate by the high-speed flywheel, so that the permanent magnet synchronous motor generates current ;
  • the rectification mode of the bidirectional converter is started, and the current generated by the permanent magnet synchronous motor is transmitted to the inverter output device through the bidirectional inverter in the rectification mode, and the inverter output device converts the current to the inverter output device. Current is delivered to the control rod drive mechanism.
  • the step of driving the permanent magnet synchronous motor to rotate through the high-speed flywheel includes:
  • the permanent magnet synchronous motor is driven to rotate by the high-speed flywheel.
  • the embodiment of the present application also provides a power supply system based on a high-speed flywheel, which adopts the following technical solutions:
  • a high-speed flywheel-based power supply system comprising a high-speed flywheel-based power supply device and a power supply control device, the power supply control device comprising a state identification module, a first power supply module and a second power supply module;
  • the state identification module is used to identify the current power supply state in real time
  • the first power supply module is configured to deliver factory power to the control rod driving mechanism and the high-speed flywheel through the rectifier and the inverter output device when the current power supply state is normal power supply, so as to send the power to the control Rod drive mechanism power supply;
  • the second power supply module is used to drive the permanent magnet synchronous motor to rotate through the high-speed flywheel when the current power supply state is abnormal power supply, so that the permanent magnet synchronous motor generates current, and the permanent magnet synchronous motor is driven to rotate.
  • the resulting electrical current is transmitted to the control rod drive mechanism to power the control rod drive mechanism.
  • the embodiment of the present application also provides a computer device, which adopts the following technical solutions:
  • a computer device includes a memory and a processor, wherein computer-readable instructions are stored in the memory, and the processor implements the steps of the above-mentioned high-speed flywheel-based power supply method when the processor executes the computer-readable instructions.
  • the embodiments of the present application also provide a computer-readable storage medium, which adopts the following technical solutions:
  • a computer-readable storage medium where computer-readable instructions are stored on the computer-readable storage medium, and when the computer-readable instructions are executed by a processor, implement the steps of the above-mentioned high-speed flywheel-based power supply method.
  • the power supply device based on the high-speed flywheel of the present application has large current discharge capability, low loss, high energy density, high system integration and long service life. It not only meets the power requirements of the Control Rod Drive Mechanism (CRDM), but also significantly improves reliability, convenience, and safety. In addition, the operation and maintenance security is high, and the operation and maintenance environment is significantly improved.
  • CRDM Control Rod Drive Mechanism
  • FIG. 1 is a schematic structural diagram of an embodiment of a power supply device based on a high-speed flywheel according to the present application
  • FIG. 2 is a flow chart of an embodiment of a power supply method based on a high-speed flywheel according to the present application
  • FIG. 3 is a schematic structural diagram of an embodiment of a power supply system based on a high-speed flywheel according to the present application
  • FIG. 4 is a schematic structural diagram of an embodiment of a computer device according to the present application.
  • the terms “installed”, “connected” and “connected” should be understood in a broad sense, for example, it may be a fixed connection, a detachable connection, or an integral connection; it may be a mechanical connection , it can also be an electrical connection; it can be a direct connection, an indirect connection through an intermediate medium, or an internal connection between two components.
  • installed should be understood in a broad sense, for example, it may be a fixed connection, a detachable connection, or an integral connection; it may be a mechanical connection , it can also be an electrical connection; it can be a direct connection, an indirect connection through an intermediate medium, or an internal connection between two components.
  • the Control Rod Drive Mechanism is a step-by-step lifting mechanism used to lift, insert or maintain the control rod assembly in the core to achieve reactivity control and to ensure the safety and reliability of nuclear power plants. important parts of operation.
  • the task of the control rod drive mechanism power system is to provide power to the control rod drive mechanism.
  • the power supply of the control rod drive mechanism needs to achieve the following functions: during normal operation, to provide a stable coil clamping power supply to the control rod drive mechanism; when the factory power fluctuates, the power supply of the control rod drive mechanism needs to provide the required quality within 1.2s. Electric energy supply; when the control rod driving mechanism operates in groups, the control rod driving mechanism must be able to withstand the impact current of the load action without impacting the upstream power supply.
  • CRDM power supplies need to be equipped with energy storage devices to cope with load shocks and power supply fluctuations.
  • energy storage devices mainly include chemical energy storage, such as batteries; physical energy storage, such as flywheels, super capacitors and compressed air.
  • nuclear power plants generally use a motor-generator set (RAM) as the CRDM power supply.
  • RAM motor-generator set
  • This method uses a flywheel device that rotates coaxially with the motor as an energy storage element.
  • the main power drives the asynchronous motor to drive the flywheel and the generator to rotate to obtain a stable AC power supply. After rectification, it is converted into a DC power supply for CRDM use.
  • the main equipment of this scheme includes electric motor, coaxial flywheel, generator, generator control cabinet and switch cabinet, etc., and the structure is relatively complex.
  • the flywheel device of this mode rotates coaxially with the motor and the generator, and has low rotational speed and low energy density, and has many energy conversion links, large mechanical loss, and low power efficiency.
  • the structure is complex and the workload of daily maintenance is large. Due to the rotating mechanical devices, the noise and dust in the workshop are relatively large, and the operation and maintenance environment is poor. In order to ensure a suitable operation and maintenance environment, it will lead to high operation and maintenance costs.
  • the system needs to be matched with a lot of excitation and control system equipment, occupies a large area, and has a high construction cost. Moreover, there are many failure links, and the failure rate of the equipment is high.
  • lead-acid battery energy storage CRDM power solutions In addition, some nuclear power plants currently use lead-acid battery energy storage CRDM power solutions.
  • lead-acid batteries are used as energy storage elements to supply power to the CRDM through a rectifier and inverter device. Due to the low power density of lead-acid batteries, the large floor area, and the high requirements of lead-acid batteries on workshops, this solution requires a separate battery room and cannot be used as a replacement for the renovation of old units; lead-acid batteries need regular maintenance to ensure that The remaining power meets the requirements, and the maintenance workload is large.
  • the present application provides an embodiment of a power supply device based on a high-speed flywheel
  • a power supply device based on a high-speed flywheel supplies power to a control rod drive mechanism, and the power supply device includes a high-speed flywheel, a permanent magnet synchronous motor, a bidirectional converter, a rectifier and an inverter output device;
  • the permanent magnet synchronous motor is electrically connected to the high-speed flywheel and the bidirectional converter respectively;
  • the bidirectional converter, the rectifier and the inverter output device are electrically connected in pairs;
  • the rectifier receives plant power, and the inverter output device is connected to the control rod drive mechanism.
  • the plant power in this application refers to alternating current.
  • the high-speed flywheel-based power supply has high-current discharge capability, low loss, high energy density, high system integration, and long service life. It not only meets the power requirements of the Control Rod Drive Mechanism (CRDM), but also significantly improves reliability, convenience, and safety. In addition, the operation and maintenance security is high, and the operation and maintenance environment is significantly improved.
  • the various components of the power supply device in this application are of high maturity, and the costs of the entire set of equipment and spare parts are low, which can greatly reduce the cost of routine maintenance. Under the condition of selecting reasonable components, the comprehensive efficiency can reach more than 90%, which is much higher than that of the motor-generator scheme that is widely used at present. At the same time, because the equipment of this device is only electrical panel cabinet, the equipment size is small, and the layout requirements are low.
  • All components of the high-speed flywheel-based power supply device in the present application are installed in cabinets to achieve high integration and high energy density, and have a simple structure, and the core components do not require frequent maintenance.
  • the components refer to high-speed flywheel, permanent magnet synchronous motor, bidirectional converter, rectifier and inverter output device. Since the high-speed flywheel is set to a sealed design, there is no exposed rotating mechanism, the noise is low, the operation and maintenance safety is high, the operation and maintenance environment is significantly improved, and the safety and convenience of the operation and maintenance personnel are greatly improved.
  • the high-speed flywheel and the permanent magnet synchronous motor in the present application use a magnetic levitation vacuum flywheel energy storage device, and the flywheel device and the permanent magnet synchronous motor are an integrated closed device, which is convenient for cabinet installation.
  • the supercapacitor and the high-speed flywheel have similar discharge characteristics, the supercapacitor can be used as an energy storage element to replace the above-mentioned high-speed flywheel of the present application according to actual needs.
  • the application can also set up a query module and an alarm module according to actual needs, realize on-site monitoring and status query through human-machine interface, and realize DCS monitoring and fault alarm through communication or hard wiring.
  • the bidirectional converter is composed of a bridge circuit.
  • the bidirectional converter module is composed of a bridge circuit.
  • the computer controls it to work in rectifier or inverter mode according to the load and upstream power status.
  • the DC voltage output by the bridge circuit is high and the pulsation is small, which is suitable for use in many situations.
  • a switch device is arranged between the inverter output device and the control rod driving mechanism.
  • the corresponding switch device can be configured according to the actual needs in the application process. It is convenient to control the power supply of the power supply device to the control rod driving mechanism.
  • FIG. 3 a flow chart of one embodiment of a high-speed flywheel-based power supply method according to the present application is shown.
  • the power supply method uses the above-mentioned high-speed flywheel-based power supply device.
  • the power supply method based on the high-speed flywheel includes the following steps:
  • the factory power supplies power to the control rod driving mechanism through the rectifier and the inverter output, and the factory power is rotated through a permanent magnet synchronous motor with a high-speed flywheel.
  • the group action of the control rod driving mechanism produces a load shock or the power supply is lost for a short time, the power supply is abnormal at this time, and the mechanical energy stored by the high-speed flywheel is driven by the permanent magnet synchronous motor to rotate, and the current sent by the permanent magnet synchronous motor drives the control rod.
  • the driving mechanism operates for a short time, and the output power quality of the present application is high, the failure rate is low, and the power loss is low.
  • the size of the rectifier capacity can be selected according to the load demand of the CRDM and the charging power of the flywheel device. According to the load characteristics of the CRDM, the inverter corresponding to the output voltage and capacity is selected.
  • step S2 that is, when the current power supply state is normal power supply, the factory power is delivered to the control rod driving mechanism and the high-speed flywheel through the rectifier and the inverter output device, so as to supply power to all
  • the step of supplying power to the control rod drive mechanism includes:
  • the factory power is delivered to the control rod driving mechanism through the rectifier and the inverter output device, so as to supply power to the control rod driving mechanism;
  • the motor mode of the permanent magnet synchronous motor is activated, and the high-speed flywheel is driven to rotate by the permanent magnet synchronous motor in the motor mode.
  • the factory power supplies power to the control rod drive mechanism through the rectifier and the inverter output, while the bidirectional converter works in the inverter mode, the permanent magnet synchronous motor works in the motor mode, and the factory power passes through the permanent magnet synchronous motor.
  • the motor rotates with a high-speed flywheel, so that the mechanical energy of the high-speed flywheel is accumulated under normal conditions, the structure is simple, and the failure rate is low.
  • step S3 that is, when the current power supply state is abnormal power supply, the step of driving the permanent magnet synchronous motor to rotate through the high-speed flywheel includes:
  • the permanent magnet synchronous motor is driven to rotate by the high-speed flywheel.
  • the permanent magnet synchronous motor rotates with the mechanical energy stored by the high-speed flywheel, thereby causing the permanent magnet synchronous motor to generate current.
  • step S3 when the current power supply state is abnormal power supply, the permanent magnet synchronous motor is driven to rotate by the high-speed flywheel, so that the permanent magnet synchronous motor generates current, and the permanent magnet synchronous motor generates a current.
  • the step of delivering current to the control rod drive mechanism includes:
  • the generator mode of the permanent magnet synchronous motor is started, and the permanent magnet synchronous motor in the generator mode is driven to rotate by the high-speed flywheel, so that the permanent magnet synchronous motor generates current ;
  • the rectification mode of the bidirectional converter is started, and the current generated by the permanent magnet synchronous motor is transmitted to the inverter output device through the bidirectional inverter in the rectification mode, and the inverter output device converts the current to the inverter output device. Current is delivered to the control rod drive mechanism.
  • the permanent magnet synchronous motor rotates with the mechanical energy stored by the high-speed flywheel, the permanent magnet synchronous motor works in the generator mode, the bidirectional converter block works in the rectification mode, and the permanent magnet synchronous motor generates the power generated by the permanent magnet synchronous motor.
  • the control rod driving mechanism can be driven to run for a short time, avoiding the situation that the control rod driving mechanism stops running.
  • the aforementioned storage medium may be a non-volatile storage medium such as a magnetic disk, an optical disk, a read-only memory (Read-Only Memory, ROM), or a random access memory (Random Access Memory, RAM) or the like.
  • the present application provides an embodiment of a power supply device based on a high-speed flywheel.
  • the device embodiment corresponds to the method embodiment shown in FIG. 3 .
  • the device can be specifically applied to various electronic devices.
  • the high-speed flywheel-based power supply system 500 described in this embodiment includes a high-speed flywheel-based power supply device 300 and a power supply control device 400 .
  • the power supply control device includes a state identification module 401 ; a first power supply module 402 ; and a second power supply module 403 .
  • the state identification module 401 is used to identify the current power supply state in real time.
  • the first power supply module 402 is configured to transmit the factory power to the control rod driving mechanism and the high-speed flywheel through the rectifier and the inverter output device when the current power supply state is normal power supply, so as to supply power to the control system.
  • the rod drive mechanism is powered.
  • the second power supply module 403 is used to drive the permanent magnet synchronous motor to rotate through the high-speed flywheel when the current power supply state is abnormal power supply, so that the permanent magnet synchronous motor generates current, and the permanent magnet synchronous motor The resulting electrical current is transmitted to the control rod drive mechanism to power the control rod drive mechanism.
  • the factory power supplies power to the control rod driving mechanism through the rectifier and the inverter output, and the factory power is rotated through a permanent magnet synchronous motor with a high-speed flywheel.
  • the group action of the control rod driving mechanism produces a load shock or the power supply is lost for a short time, the power supply is abnormal at this time, and the mechanical energy stored by the high-speed flywheel is driven by the permanent magnet synchronous motor to rotate, and the current sent by the permanent magnet synchronous motor drives the control rod.
  • the driving mechanism operates for a short time, and the output power quality of the present application is high, the failure rate is low, and the power loss is low.
  • the first power supply module 401 includes a delivery sub-module, a first promoter sub-module and a second promoter sub-module.
  • the conveying sub-module is used for conveying factory power to the control rod driving mechanism through the rectifier and the inverter output device when the current power supply state is normal power supply, so as to supply power to the control rod driving mechanism;
  • the The first starter sub-module is used to start the inverter mode of the bidirectional converter, and the plant power is delivered to the permanent magnet synchronous motor through the bidirectional converter in the inverter mode;
  • the second The starter sub-module is used for starting the motor mode of the permanent magnet synchronous motor, and the high-speed flywheel is driven to rotate by the permanent magnet synchronous motor in the motor mode.
  • the above-mentioned second power supply module 401 is further configured to drive the power supply through the high-speed flywheel when the control rod driving mechanism constitutes a group action to generate a negative charge impact or the factory power stops.
  • the permanent magnet synchronous motor rotates.
  • the second power supply module 401 includes a third promoter sub-module and a fourth promoter sub-module.
  • the third starter sub-module is used to start the generator mode of the permanent magnet synchronous motor when the current power supply state is abnormal power supply, and the permanent magnet synchronous motor in the generator mode is driven to rotate by the high-speed flywheel, so as to rotate the permanent magnet synchronous motor in the generator mode. making the permanent magnet synchronous motor generate current;
  • the fourth starter sub-module is used to start the rectification mode of the bidirectional converter, and pass the current generated by the permanent magnet synchronous motor through the bidirectional converter in the rectification mode
  • the inverter is sent to the inverter output device, and the current is sent to the control rod drive mechanism through the inverter output device.
  • FIG. 4 is a block diagram of a basic structure of a computer device according to this embodiment.
  • the computer device 200 includes a memory 201 , a processor 202 , and a network interface 203 that communicate with each other through a system bus. It should be noted that only the computer device 200 with components 201-203 is shown in the figure, but it should be understood that implementation of all shown components is not required, and more or less components may be implemented instead. Among them, those skilled in the art can understand that the computer device here is a device that can automatically perform numerical calculation and/or information processing according to pre-set or stored instructions, and its hardware includes but is not limited to microprocessors, special-purpose Integrated circuit (Application Specific Integrated Circuit, ASIC), programmable gate array (Field-Programmable Gate Array, FPGA), digital processor (Digital Signal Processor, DSP), embedded equipment, etc.
  • ASIC Application Specific Integrated Circuit
  • FPGA Field-Programmable Gate Array
  • DSP Digital Signal Processor
  • the computer equipment may be a desktop computer, a notebook computer, a palmtop computer, a cloud server and other computing equipment.
  • the computer device can perform human-computer interaction with the user through a keyboard, a mouse, a remote control, a touch pad or a voice control device.
  • the memory 201 includes at least one type of readable storage medium, and the readable storage medium includes flash memory, hard disk, multimedia card, card-type memory (for example, SD or DX memory, etc.), random access memory (RAM), static Random Access Memory (SRAM), Read Only Memory (ROM), Electrically Erasable Programmable Read Only Memory (EEPROM), Programmable Read Only Memory (PROM), Magnetic Memory, Magnetic Disk, Optical Disk, etc.
  • the memory 201 may be an internal storage unit of the computer device 200 , such as a hard disk or a memory of the computer device 200 .
  • the memory 201 may also be an external storage device of the computer device 200, such as a plug-in hard disk, a smart memory card (Smart Media Card, SMC), a secure digital (Secure Digital, SD) card, flash memory card (Flash Card), etc.
  • the memory 201 may also include both the internal storage unit of the computer device 200 and its external storage device.
  • the memory 201 is generally used to store the operating system and various application software installed in the computer device 200 , such as computer-readable instructions for a power supply method based on a high-speed flywheel.
  • the memory 201 can also be used to temporarily store various types of data that have been output or will be output.
  • the processor 202 may be a central processing unit (Central Processing Unit, CPU), a controller, a microcontroller, a microprocessor, or other data processing chips.
  • the processor 202 is typically used to control the overall operation of the computer device 200 .
  • the processor 202 is configured to execute computer-readable instructions stored in the memory 201 or process data, such as computer-readable instructions for executing the high-speed flywheel-based power supply method.
  • the network interface 203 may include a wireless network interface or a wired network interface, and the network interface 203 is generally used to establish a communication connection between the computer device 200 and other electronic devices.
  • the permanent magnet synchronous motor rotates through the mechanical energy stored by the high-speed flywheel, and the current sent by the permanent magnet synchronous motor drives the control rod driving mechanism to run for a short time, the equipment is simple, the failure rate is low, and the power consumption is low. Low.
  • the present application also provides another embodiment, that is, to provide a computer-readable storage medium, where the computer-readable storage medium stores computer-readable instructions, and the computer-readable instructions can be executed by at least one processor to The at least one processor is caused to perform the steps of the high-speed flywheel-based power supply method as described above.
  • the permanent magnet synchronous motor rotates through the mechanical energy stored by the high-speed flywheel, and the current sent by the permanent magnet synchronous motor drives the control rod driving mechanism to run for a short time, the equipment is simple, the failure rate is low, and the power consumption is low. Low.
  • the method of the above embodiment can be implemented by means of software plus a necessary general hardware platform, and of course can also be implemented by hardware, but in many cases the former is better implementation.
  • the technical solution of the present application can be embodied in the form of a software product in essence or in a part that contributes to the prior art, and the computer software product is stored in a storage medium (such as ROM/RAM, magnetic disk, CD), including several instructions to make a terminal device (which may be a mobile phone, a computer, a server, an air conditioner, or a network device, etc.) to execute the methods described in the various embodiments of this application.
  • a storage medium such as ROM/RAM, magnetic disk, CD

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  • Supply And Distribution Of Alternating Current (AREA)

Abstract

La présente invention se rapporte au domaine de l'énergie nucléaire, et concerne un appareil et un procédé d'alimentation électrique basés sur un volant à grande vitesse, et un dispositif associé. L'appareil d'alimentation électrique alimente un mécanisme d'entraînement de tige de commande, et comprend un volant à grande vitesse, un moteur électrique synchrone à aimant permanent, un convertisseur bidirectionnel, un redresseur et une unité de sortie d'onduleur, le moteur électrique synchrone à aimant permanent étant respectivement connecté électriquement au volant à grande vitesse et au convertisseur bidirectionnel; chaque paire du convertisseur bidirectionnel, du redresseur et de l'unité de sortie d'onduleur sont connectés électriquement; et le redresseur est connecté à une alimentation de centrale électrique et l'unité de sortie d'onduleur est connectée au mécanisme d'entraînement de tige de commande. Le procédé d'alimentation électrique consiste à identifier l'état d'alimentation actuel en temps réel; lorsque l'état d'alimentation actuel indique une alimentation électrique normale, transmettre une alimentation de centrale électrique à un mécanisme d'entraînement de tige de commande et à un volant à grande vitesse au moyen d'un redresseur et d'une unité de sortie d'onduleur; et lorsque l'état d'alimentation actuel indique une alimentation électrique anormale, entraîner, au moyen du volant à grande vitesse, la rotation d'un moteur électrique synchrone à aimant permanent, et transmettre, au mécanisme d'entraînement de tige de commande, un courant généré au moyen de la rotation du moteur électrique synchrone à aimant permanent. L'appareil d'alimentation électrique selon la présente demande présente une efficacité d'alimentation élevée, un encombrement limité et une facilité d'entretien.
PCT/CN2021/103416 2020-11-04 2021-06-30 Appareil et procédé d'alimentation électrique basés sur un volant à grande vitesse, et dispositif associé WO2022033218A1 (fr)

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