WO2013183585A1 - Dispositif de commande de barre de commande de four nucléaire - Google Patents

Dispositif de commande de barre de commande de four nucléaire Download PDF

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Publication number
WO2013183585A1
WO2013183585A1 PCT/JP2013/065344 JP2013065344W WO2013183585A1 WO 2013183585 A1 WO2013183585 A1 WO 2013183585A1 JP 2013065344 W JP2013065344 W JP 2013065344W WO 2013183585 A1 WO2013183585 A1 WO 2013183585A1
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WO
WIPO (PCT)
Prior art keywords
control rod
drive
control
group
unit
Prior art date
Application number
PCT/JP2013/065344
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English (en)
Japanese (ja)
Inventor
江口　和宏
Original Assignee
三菱電機株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 三菱電機株式会社 filed Critical 三菱電機株式会社
Publication of WO2013183585A1 publication Critical patent/WO2013183585A1/fr

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    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21C—NUCLEAR REACTORS
    • G21C7/00—Control of nuclear reaction
    • G21C7/06—Control of nuclear reaction by application of neutron-absorbing material, i.e. material with absorption cross-section very much in excess of reflection cross-section
    • G21C7/08—Control of nuclear reaction by application of neutron-absorbing material, i.e. material with absorption cross-section very much in excess of reflection cross-section by displacement of solid control elements, e.g. control rods
    • G21C7/12—Means for moving control elements to desired position
    • 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
    • Y02E30/00—Energy generation of nuclear origin
    • Y02E30/30—Nuclear fission reactors

Definitions

  • the present invention relates to a reactor control rod control apparatus for controlling a drive mechanism of a control rod used for inserting or withdrawing a control rod used for controlling a thermal output of a nuclear reactor and shutting down the reactor. It takes.
  • the present invention has been made to solve the above-described problems, and an object of the present invention is to provide a nuclear reactor control rod control device that can be easily operated by an arbitrary number of steps.
  • the reactor control rod control device of the present invention is A plurality of control rods that control the output of the nuclear reactor by inserting or withdrawing it into the nuclear reactor is configured as a group for each of the plurality of control rods, and a drive mechanism that drives each group step by step is controlled.
  • a movement amount setting unit for inputting the number of movement steps of the control rod
  • An instruction unit for instructing whether the control rod is inserted or pulled out
  • a drive database for storing the drive speed data of the control rods for each group;
  • the drive time of the control rod for each group is calculated from the number of steps of the movement amount setting unit, the instruction of the instruction unit, and the drive speed data, and the drive signal for insertion or withdrawal of the drive time for each group is driven.
  • a drive signal generator for transmitting to the mechanism.
  • the reactor control rod control device of the present invention is A plurality of control rods that control the output of the nuclear reactor by inserting or withdrawing it into the nuclear reactor is configured as a group for each of the plurality of control rods, and a drive mechanism that drives each group step by step is controlled.
  • An instruction unit for instructing which operation is one-step insertion or one-step extraction of the control rod;
  • a driving database for storing driving time data for one-step driving of control rods for each group;
  • a drive signal generator for extracting the drive time of the control rod for each group from the instruction of the instruction unit and the drive time data, and transmitting the drive signal for insertion or withdrawal of the drive time for each group to the drive mechanism; It is equipped with.
  • the reactor control rod control device of the present invention is A plurality of control rods that control the output of the nuclear reactor by inserting or withdrawing it into the nuclear reactor is configured as a group for each of the plurality of control rods, and a drive mechanism that drives each group step by step is controlled.
  • a movement amount setting unit for inputting the number of movement steps of the control rod
  • An instructing unit for instructing whether the control rod is inserted or pulled out
  • a drive database for storing the drive speed data of the control rods for each group, The drive time of the control rod for each group is calculated from the number of steps of the movement amount setting unit, the instruction of the instruction unit, and the drive speed data, and the drive signal for inserting or extracting the drive time for each group is driven. Because it has a drive signal creation unit to send to the mechanism, By inputting the number of movement steps and using the driving speed data of the control rod, it is possible to automatically realize the continuation of the input of the conventional manual driving signal.
  • the reactor control rod control device of the present invention is A plurality of control rods that control the output of the nuclear reactor by inserting or withdrawing it into the nuclear reactor is configured as a group for each of the plurality of control rods, and a drive mechanism that drives each group step by step is controlled.
  • An instruction unit for instructing whether the operation is one-step insertion or one-step extraction of the control rods of each group;
  • a drive database for storing drive time data for one-step drive of the control rods for each of the groups driven by the drive mechanism;
  • a drive signal generator for extracting the drive time of the control rod for each group from the instruction of the instruction unit and the drive time data, and transmitting the drive signal for insertion or withdrawal of the drive time for each group to the drive mechanism; So that By using the one-step control rod driving time data, it is possible to automatically realize the continuation of the input of the conventional manual operation signal.
  • FIG. 1 is a diagram showing a configuration of a reactor control system using a reactor control rod control apparatus according to Embodiment 1 of the present invention
  • FIG. 2 shows a configuration of a reactor control rod control apparatus according to Embodiment 1 of the present invention.
  • the nuclear reactor control system is for controlling the nuclear reactor device 30, and an operation console 33, an automatic nuclear reactor control system 34, and a nuclear reactor controller 35 are connected by an optical communication line 17.
  • the nuclear reactor apparatus 30 includes a plurality of control rods that control the output of the nuclear reactor 31 by being inserted into or extracted from the nuclear reactor 31, and a drive for inserting or extracting each control rod into the nuclear reactor 31 step by step.
  • Device 32 includes a plurality of control rods that control the output of the nuclear reactor 31 by being inserted into or extracted from the nuclear reactor 31, and a drive for inserting or extracting each control rod into the nuclear reactor 31 step by step.
  • the operation console 33 sets whether the nuclear reactor 31 is automatically operated or manually operated, and gives an instruction to the nuclear reactor controller 35 during the manual operation.
  • the nuclear reactor control unit 35 controls the driving device 32 of the nuclear reactor 31.
  • the nuclear reactor automatic control system 34 instructs the nuclear reactor controller 35 to automatically operate the nuclear reactor 31.
  • the reactor control rod control device of the present invention is configured to control a drive mechanism that controls each group by forming a group for each of the plurality of control rods in this reactor device 30.
  • the step mentioned here is a minimum unit for performing an operation of inserting or withdrawing the control rod into or from the nuclear reactor 31, and is set in advance for each nuclear reactor device 30.
  • the order in which insertion or withdrawal is controlled is set in advance, and insertion and withdrawal are performed for each group based on the order.
  • the control rod insertion or extraction operation controlled by the reactor control rod control device is performed when the reactor device 30 is manually controlled when the reactor device 30 is started or stopped. is there.
  • the reactor control rod control device includes a movement amount setting unit 3 for inputting the number of movement steps of the control rod, and an instruction unit 60 for instructing whether the operation is control rod insertion or extraction.
  • the insertion button 1 and the withdrawal button 2, the manual operation mode switching button 6 for switching the operation mode to manual, the automatic operation mode switching button 7 for switching the operation mode to automatic, and the drive speed data of the control rod for each group are stored.
  • a drive database 4 When switching to the manual operation mode switching button 6, the number of steps input to the movement amount setting unit 3, the instructions that are input to the insertion button 1 and the extraction button 2, and driving speed data stored in the driving database 4 Thus, the control rod drive time for each group is calculated.
  • the drive signal preparation part 18 which transmits the drive signal of the insertion or extraction of the drive time for every group to a drive mechanism
  • the control rod drive device for receiving the signal from the drive signal preparation part 18 and driving a control rod And a control rod operating unit 19 that transmits an insertion or extraction drive signal to the CDRM dedicated card 5 inserted in (CDRM: Control Rod Drive Mechanical).
  • a drive signal for insertion or extraction of the drive signal creation unit 18 is input via the control rod operation unit 19, and the step count unit 20 that calculates the current step number of the control rod is calculated by the step count unit 20.
  • a step count display unit 21 for displaying the number of steps.
  • the drive speed data referred to here is, for example, data that allows the drive mechanism to drive the control rod every n steps, such as n steps / minute.
  • the movement amount setting unit 3, the insertion button 1, the extraction button 2, the step count display unit 21, the drive signal creation unit 18, and the drive database 4 are formed at separated locations. Therefore, the movement amount setting unit 3, the insertion button 1, the extraction button 2, the step count display unit 21, and the drive signal creation unit 18 are connected by the optical communication line 17.
  • the operation of the reactor control rod control apparatus of the first embodiment configured as described above will be described. Since the present invention is for the case of manual operation, it is assumed that the operator can switch to the manual operation mode by pressing the manual operation mode switching button 6 when in the automatic operation mode. To do. First, the operator inputs the number of steps for operating the control rod to the movement amount setting unit 3. Here, for example, 5 is input as 5 steps. Next, the operator presses either the insertion button 1 or the extraction button 2 to instruct whether to perform the operation of inserting the control rod or the operation of extraction. Here, for example, the insert button 1 is pressed.
  • the step number signal input to the movement amount setting unit 3 and the insertion signal indicating that the insert button 1 has been pressed are input to the drive signal generation unit 18 via the optical communication line 17.
  • the drive signal creation unit 18 starts the operation using the insertion signal of the insertion button 1 as a start trigger.
  • the drive signal creation unit 18 calculates the time taken to move the input number of steps for each group. Specifically, the drive signal generator 18 extracts the drive speed data of each group stored in the drive database 4 and calculates the control rod drive time for each group.
  • the drive signal creation unit 18 transmits a drive signal for insertion corresponding to the drive time for each group for inserting 5 steps to the control rod operation unit 19.
  • the control rod operating unit 19 transmits a drive signal for insertion into the CDRM dedicated card 5.
  • the control rod driving device drives each group by one step in order based on the inserted driving signal.
  • the control rod driving device drives the next step again in order after all the groups are driven one step.
  • the control rod drive device is driven until it becomes 5 steps by repeating the above operation.
  • the step count unit 20 inputs a drive signal for insertion through the control rod operation unit 19. Then, the step count unit 20 calculates the current number of steps by converting the number of steps from the drive signal. Then, the step count unit 20 displays the calculated current step number on the step count display unit 21 via the optical communication line 17.
  • the movement of an arbitrary number of steps is continued by inputting the conventional manual driving signal by using the driving speed data of the control rod, and every step for each groove. This can be realized automatically without changing the conventional logic of driving the motor.
  • the drive signal creation unit and the drive database are formed at locations separated from each other and connected by an optical communication line, the drive signal can be created without causing a time lag.
  • the bar can be controlled.
  • FIG. 3 is a diagram showing a configuration of a nuclear reactor control rod control apparatus according to Embodiment 2 of the present invention.
  • the same parts as those in the first embodiment are denoted by the same reference numerals, and the description thereof is omitted.
  • the configuration of the reactor control system is the same as that shown in FIG.
  • a one-step extraction button 9 for outputting an operation command for extraction is provided.
  • Driving database 40 for storing driving time data for one-step driving of control rods for each group, instructions that are inputs to the one-step insertion button 8 and the one-step withdrawal button 9, and driving times stored in the driving database 40
  • a drive signal creating unit 180 that extracts the drive time of the control rod for each group from the data and transmits a drive signal for inserting or extracting the drive time for each group to the drive mechanism.
  • the operation of the reactor control rod control apparatus of the second embodiment configured as described above will be described.
  • the operator moves the control rod in one step
  • the operator instructs to perform the operation of inserting the control rod or the operation of pulling out the one-step insertion button 8 or one-step extraction. Press one of the buttons 9.
  • the one-step insertion button 8 is pressed.
  • the insertion signal for pressing the one-step insertion button 8 is input to the drive signal creation unit 180 via the optical communication line 17.
  • the drive signal generator 180 starts the operation with the insertion signal of the one-step insertion button 8 as a start trigger.
  • the drive signal generation unit 180 extracts the drive time required for moving one step for each group. Specifically, the drive signal creation unit 180 extracts the drive time data of each group stored in the drive database 40, and extracts the drive time of the control rod for each group. Then, the drive signal creating unit 180 transmits a drive signal for insertion corresponding to the drive time for each group for inserting one step to the control rod operating unit 19. Then, the control rod operating unit 19 transmits a drive signal for insertion into the CDRM dedicated card 5, and the control rod is driven for each group. Then, the step count unit 20 inputs a drive signal for insertion through the control rod operation unit 19. Then, the step count unit 20 adds one step from the drive signal for insertion, and calculates the current number of steps. Then, the step count unit 20 displays the calculated current step number on the step count display unit 21 via the optical communication line 17.
  • control rod is inserted and controlled.
  • the control rod can be pulled out in the same manner.
  • the example which forms the 1 step insertion button 8 and the 1 step extraction button 9 separately was shown, it is not restricted to this, Even if it forms with one button which can select insertion or extraction Any other configuration may be used as long as it can instruct any one of these controls.
  • the 1-step insertion button 8 and the 1-step extraction button 9 are separately formed is shown, but the present invention is not limited to this, and one step having either the 1-step insertion button or the 1-step extraction button is provided. It may be formed by a button, and other configurations may be used as long as they can instruct these controls.
  • the same effect as that of the first embodiment can be obtained, but when the control rod is moved only one step, Since it is not necessary to calculate to generate the drive signal, the control rod can be controlled with higher accuracy.

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Plasma & Fusion (AREA)
  • General Engineering & Computer Science (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Monitoring And Testing Of Nuclear Reactors (AREA)

Abstract

La présente invention concerne un dispositif de commande de barre de commande de four nucléaire, comprenant : une unité de réglage de quantité de mouvement (3) qui entre le nombre d'étapes de mouvement des barres de commande ; un bouton d'insertion (1) et un bouton de retrait (2) qui fournissent respectivement une instruction pour une opération d'insertion de barre de commande et une opération de retrait de barre de commande ; une base de données d'entraînement (4) qui stocke des données de vitesse d'entraînement pour chaque groupe de barres de commande ; et une unité de création de signal d'entraînement (18) qui calcule la durée d'entraînement pour chaque groupe de barres de commande sur la base du nombre d'étapes, de l'instruction et des données de vitesse d'entraînement, et qui transmet à une unité d'entraînement un signal d'entraînement d'insertion ou de retrait pendant la durée d'entraînement.
PCT/JP2013/065344 2012-06-07 2013-06-03 Dispositif de commande de barre de commande de four nucléaire WO2013183585A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2012-129443 2012-06-07
JP2012129443A JP2015158364A (ja) 2012-06-07 2012-06-07 原子炉制御棒制御装置

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WO2013183585A1 true WO2013183585A1 (fr) 2013-12-12

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5636093A (en) * 1979-08-31 1981-04-09 Tokyo Shibaura Electric Co Control rod monitor control device
JPS59203989A (ja) * 1983-05-04 1984-11-19 東京電力株式会社 制御棒駆動制御装置
JPS62272190A (ja) * 1986-05-20 1987-11-26 株式会社日立製作所 制御棒駆動制御装置
JPH07134191A (ja) * 1993-11-12 1995-05-23 Toshiba Corp 制御棒駆動機構の駆動装置
JPH11153694A (ja) * 1997-11-20 1999-06-08 Hitachi Ltd 制御棒制御方法と制御棒自動制御装置

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5636093A (en) * 1979-08-31 1981-04-09 Tokyo Shibaura Electric Co Control rod monitor control device
JPS59203989A (ja) * 1983-05-04 1984-11-19 東京電力株式会社 制御棒駆動制御装置
JPS62272190A (ja) * 1986-05-20 1987-11-26 株式会社日立製作所 制御棒駆動制御装置
JPH07134191A (ja) * 1993-11-12 1995-05-23 Toshiba Corp 制御棒駆動機構の駆動装置
JPH11153694A (ja) * 1997-11-20 1999-06-08 Hitachi Ltd 制御棒制御方法と制御棒自動制御装置

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