CN114496325A - Nuclear power plant field device state tracking control method - Google Patents
Nuclear power plant field device state tracking control method Download PDFInfo
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- CN114496325A CN114496325A CN202011256443.9A CN202011256443A CN114496325A CN 114496325 A CN114496325 A CN 114496325A CN 202011256443 A CN202011256443 A CN 202011256443A CN 114496325 A CN114496325 A CN 114496325A
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- 238000000034 method Methods 0.000 title claims abstract description 26
- 238000002955 isolation Methods 0.000 claims description 52
- 238000011084 recovery Methods 0.000 claims description 4
- 238000010977 unit operation Methods 0.000 claims description 3
- 230000000007 visual effect Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
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- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21D—NUCLEAR POWER PLANT
- G21D3/00—Control of nuclear power plant
- G21D3/001—Computer implemented control
- G21D3/002—Core design; core simulations; core optimisation
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- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21D—NUCLEAR POWER PLANT
- G21D3/00—Control of nuclear power plant
- G21D3/08—Regulation of any parameters in the plant
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- 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
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- General Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- High Energy & Nuclear Physics (AREA)
- Testing And Monitoring For Control Systems (AREA)
- Monitoring And Testing Of Nuclear Reactors (AREA)
Abstract
The invention relates to the technical field of safe operation of a nuclear power plant, and particularly discloses a state tracking control method for field equipment of the nuclear power plant. The method comprises the following steps: establishing an instruction source model for the state change of the field equipment of the nuclear power plant; establishing an equipment state record classification system, and establishing a matching relation between an instruction source of the state change of the field equipment of the nuclear power plant and the equipment state; establishing a control logic relation of equipment states according to the importance degree of the operation business of the nuclear power plant; the equipment of the nuclear power plant receives the instruction source of the state change of the field equipment, and adjusts and controls the field state of the equipment in real time according to the matching relation between the instruction source and the equipment state update. According to the method, the current state, the normal state, the branded state and the temporary state of the field equipment can be checked through the classification record of the equipment state, the instruction source of the current state can be determined, and accurate and visual field equipment state information is provided for operation and control of operating personnel on the nuclear power plant.
Description
Technical Field
The invention belongs to the technical field of safe operation of a nuclear power plant, and particularly relates to a state tracking control method for field equipment of the nuclear power plant.
Background
The basis of safe and stable operation of the nuclear power plant is to place the unit, the system and the equipment in required states according to the current unit mode requirement, so that the nuclear power plant can operate safely, stably and reliably. The control of part of key important equipment for the safe operation of the nuclear power plant is completed in a main control room, but many pieces of equipment need to be manually operated and controlled on site, the main control room can complete the monitoring and control of the operation equipment in the main control room through buttons, switches, instruments, state indication and the like, but the state of the field equipment can only be set in a required state through field personnel based on requirements of operation tickets, isolation tickets, main control commands and the like. Because the instruction, the operation ticket, the isolation ticket and the like are used as independent execution files, the association relationship between the instruction, the operation ticket, the isolation ticket and the like cannot be established, the current state of the equipment and the file from the equipment cannot be accurately known, the state of the equipment can be confirmed only by checking the equipment on site in many times, and the condition brings uncertainty to the accurate operation and control of personnel in a main control room.
Disclosure of Invention
The invention aims to provide a nuclear power plant field device state tracking control method, which solves the problem of tracking control of the nuclear power plant field device state and eliminates the introduction of uncontrollable risk of operation of a nuclear power plant caused by unknown current state of the field device.
The technical scheme of the invention is as follows: a nuclear power plant field device state tracking control method, the method comprising:
s1, establishing an instruction source model for the state change of the nuclear power plant field equipment;
s2, constructing an equipment state record classification system, and establishing a matching relation between an instruction source of the nuclear power plant field equipment state change and the equipment state;
s3, establishing a control logic relation of equipment states according to the importance degree of the nuclear power plant operation business;
and S4, the equipment of the nuclear power plant receives the instruction source of the state change of the field equipment, and real-time adjustment and control are carried out on the field state of the equipment according to the matching relation between the instruction source and the equipment state update.
The instruction source model for the site state change of the nuclear power plant in the S1 is specifically as follows:
establishing an operation instruction source model which can cause the state change of the field equipment of the nuclear power plant according to the state change source which can cause the state change of the field equipment of the nuclear power plant, wherein the operation instruction source model specifically comprises five types including system online, isolation, operation tracking and control, operation log and operation limitation LCO.
The device state record classification system constructed in S2 specifically includes:
the nuclear power plant equipment state records are classified, and comprise a current state, a normal state, a temporary state and a branded state,
the current state is the state of the field device after the operation of running files such as a running rule, an isolation operation ticket, a running control operation sheet and the like;
the normal state is a state that the equipment should be in a current unit mode and meets the unit operation requirement;
the temporary state is the state of the equipment after the on-site operation, which is ordered by the personnel in the main control room of the power plant to carry out the equipment operation for the on-site personnel.
The matching relation between the instruction source of the nuclear power plant field device state change and the device state in the S2 is specifically as follows:
recording the online state of equipment in the current state after the system line in the nuclear power plant instruction is implemented;
recording the equipment listing state and the picking state of the isolation operation ticket into the current state;
recording the marking equipment state and the legacy state of the running control operation list into the current state;
after the system is implemented on line, when the required state is consistent with the actual state, the actual state is automatically recorded into the normal state; when the current required state is inconsistent with the actual state, selectively recording the actual state into the normal state;
recording the equipment listing state of the isolated operation ticket into the listed state;
and recording the order state of the operation log and the order state of the operation limit LCO in a temporary state, wherein when the temporary state is inconsistent with the current state, the current state can give clear prompt information.
The step S3 includes the step of establishing a control logic relationship of the plant status in which the nuclear power plant instruction source system updates the plant status online as follows:
when the equipment needing to be operated online by the system has isolation listing or operation control, the system is prevented from operating the target equipment online;
after the system is implemented on line, the actual state of the equipment after operation is automatically recorded into a normal state;
when the system is implemented on line and the actual state of the equipment after operation is consistent with the required state, automatically recording the actual state into the normal state; when the system is implemented online, if the actual state of the equipment after operation is inconsistent with the required state, the normal state is not automatically updated, but the actual state of the equipment after operation is allowed to be manually recorded into the normal state.
The step S3, in which the establishing of the control logic relationship of the device state includes the isolation of the nuclear power plant instruction source from the logic relationship of updating the device state, is as follows:
when the equipment has operation control, the implementation of the isolation tag is prevented;
after the isolation is implemented, the listing state of the isolation equipment is automatically recorded into the current state; after the isolation is released, the card picking state of the isolation equipment is automatically recorded into the current state;
after the isolation is implemented, the listing state of the isolation device is automatically recorded into the listing state.
The logic relationship of establishing the equipment state in the S3 includes a logic relationship of updating the equipment state by the nuclear power plant instruction source operation tracking and control:
when the device has the isolation tag, the implementation of operation tracking and control is prevented;
when the equipment marking equipment state of the operation tracking control is inconsistent with the current state of the equipment, after the operation control is implemented, the marking equipment state is automatically recorded into the current state; when the device leaving state of the operation tracking control is inconsistent with the current state of the device, the leaving state is automatically recorded into the current state after the operation control is released.
The control logic relationship of the equipment state established in the S3 comprises a logic relationship of updating the equipment state by the nuclear power plant instruction source operation log and the operation limit LCO, and the logic relationship comprises the following steps:
the order state of the operation log and/or the order state of the operation limit LCO can be automatically recorded in a temporary state, and when the order state of the operation log and/or the order state of the operation limit LCO is not consistent with the current state, a prompt mark is given by the current state.
The system online, isolation, operation tracking and control, operation log and operation limit LCO in the instruction source are specifically:
the system online use operation rule comprises a unit mode, a required state and an actual state element, wherein the required state is a state that equipment needs to be placed in a required state to meet the operation requirement of the current unit mode; the actual state is consistent with the required state by default, and when the equipment cannot be in the required state, the equipment can be only placed in an acceptable state inconsistent with the requirement;
the isolation operation ticket for isolation comprises an equipment listing state and an equipment removing state, wherein the equipment listing state is a state for setting equipment in isolation requirements in order to establish a protection area for field work; the equipment card picking state is a state that a protection area is not required to be established in field work, the equipment is recovered to a normal operation requirement, and the equipment card hanging state is in the front and the equipment card picking state is in the back, so that the equipment card picking state cannot exist at the same time;
the operation tracking and control uses an operation control operation list, which comprises a marking device state, a recovery device state and a legacy state, wherein the marking device state is the content of acquiring the current state of the device, and when the actual required state is inconsistent with the current state, the marking device state of different devices in the current state can be selected; the recovered equipment state is defaulted to be the current state of the acquired equipment; when the legacy state is the state of the device after the device is recovered and the recovered device state of the operation tracking and control is not consistent, recording the actual state of the device field in the legacy state;
the running log uses a command mode comprising the current state of the equipment and the required state of the equipment, wherein the current state of the equipment can obtain the current state content of the equipment; the equipment request state is the equipment state after the order operation;
the method comprises the steps of running a command mode for limiting LCO use, wherein the command mode comprises a current state of equipment and a required state of the equipment, and the current state of the equipment can obtain the current state content of the equipment; the device request state is a device state after the command operation.
The invention has the following remarkable effects: the nuclear power plant field device state tracking control method solves the problem that operators cannot directly know the state of the field device, can check the current state, the normal state, the listed state and the temporary state of the field device through the classification record of the device state, can clarify the instruction source of the current state, and provides accurate and direct field device state information for the operation and control of the operators on a nuclear power plant.
Detailed Description
A nuclear power plant field device state tracking control method specifically comprises the following steps:
s1, establishing an instruction source model for the state change of the nuclear power plant field equipment;
the method comprises the steps that the state change of the nuclear power plant field equipment is derived from a nuclear power plant operation instruction, an operation instruction source model which can cause the state change of the nuclear power plant field equipment is established, and the model specifically comprises five types including system online, isolation, operation tracking and control, an operation log and operation limitation LCO;
the system online use operation rule comprises a unit mode, a required state and an actual state element, wherein the required state is a state that equipment needs to be placed in a required state to meet the operation requirement of the current unit mode; the actual state is consistent with the required state by default, and when the equipment cannot be in the required state, the equipment can be only placed in an acceptable state inconsistent with the requirement;
the isolation operation ticket comprises an equipment listing state and an equipment removing state, wherein the equipment listing state is a state for establishing a protection area of field work and placing the equipment in an isolation requirement; the equipment card picking state is a state that a protection area is not required to be established in field work, the equipment is recovered to a normal operation requirement, and the equipment card hanging state is in the front and the equipment card picking state is in the back, so that the equipment card picking state cannot exist at the same time;
the operation tracking and control uses an operation control operation list, which comprises a marking device state, a recovery device state and a legacy state, wherein the marking device state is the content of the current state of the acquisition device, and when the actual required state is inconsistent with the current state, the marking device state of the current state of different devices can be selected; the recovery device state defaults to the "current state" of the acquisition device; when the legacy state is the state of the equipment which is subjected to operation tracking and control and is recovered is inconsistent with the 'recovered equipment state', recording the actual state of the equipment field in the legacy state;
the running log uses a command mode, which comprises the current state of the equipment and the required state of the equipment, wherein the current state of the equipment can obtain the content of the current state of the equipment; the equipment request state is the equipment state after the order operation;
the method comprises the steps of running a command mode for limiting LCO use, wherein the command mode comprises a current state of equipment and a required state of the equipment, and the current state of the equipment can obtain the content of the current state of the equipment; the equipment request state is the equipment state after the order operation;
s2, constructing an equipment state record classification system, and establishing a matching relation between an instruction source of the nuclear power plant field equipment state change and the equipment state;
s2.1, classifying the state records of the nuclear power plant equipment, wherein the state records comprise a current state, a normal state, a temporary state and a branded state,
the current state is the state of the field device after the operation of running files such as a running rule, an isolation operation ticket, a running control operation sheet and the like;
the normal state is a state that the equipment should be in a current unit mode and meets the unit operation requirement;
the temporary state is the state of equipment which is ordered by a power plant master control room personnel to carry out equipment operation on site personnel and is positioned after the site operation;
the listed state is the state of the equipment after the card hanging operation is carried out through the isolation operation ticket;
s2.2, establishing a matching relation between four states of the equipment state record and a nuclear power plant instruction source;
recording the online state of equipment in the current state after the system line in the nuclear power plant instruction is implemented;
recording the equipment listing state and the picking state of the isolation operation ticket into the current state;
recording the marking equipment state and the legacy state of the running control operation list into the current state;
after the system is implemented on line, when the required state is consistent with the actual state, the actual state is automatically recorded into the normal state; when the current required state is inconsistent with the actual state, selectively recording the actual state into the normal state;
recording the equipment listing state of the isolated operation ticket into the listed state;
recording the order state of the operation log and the order state of the operation limit LCO in a temporary state, wherein when the temporary state is inconsistent with the current state, the current state can give clear prompt information;
s3, establishing a control logic relation of equipment states according to the importance degree of the nuclear power plant operation business;
the method comprises the following steps of realizing control and recording of equipment state through an instruction source of the state change of the field equipment of the nuclear power plant, and timely acquiring actual state information of the equipment, wherein the specific logic relationship between the equipment state and the received instruction source is as follows:
s3.1, establishing a logic relation for updating the state of the system on-line equipment in a nuclear power plant instruction source;
when the equipment needing to be operated on line of the system has isolation listing or operation control, the system is prevented from operating the target equipment on line;
after the system is implemented on line, the actual state of the equipment after operation is automatically recorded into a normal state;
when the system is implemented on line and the actual state of the equipment after operation is consistent with the required state, automatically recording the actual state into the normal state; when the system is implemented on line and the actual state after the equipment operation is inconsistent with the required state, the normal state is not automatically updated, but the actual state after the equipment operation is allowed to be manually recorded into the normal state;
s3.2, establishing a logic relation for updating the equipment state by isolation in the nuclear power plant instruction source;
when the equipment has operation control, the implementation of the isolation tag is prevented;
after the isolation is implemented, the listing state of the isolation equipment is automatically recorded into the current state; after the isolation is released, the card picking state of the isolation equipment is automatically recorded into the current state;
after the isolation is implemented, automatically recording the listing state of the isolation equipment into the listing state;
s3.3, establishing a logical relation of operation tracking and control in a nuclear power plant instruction source to equipment state updating;
when the device has the isolation tag, the implementation of operation tracking and control is prevented;
when the equipment marking equipment state of the operation tracking control is inconsistent with the current state of the equipment, after the operation control is implemented, the marking equipment state is automatically recorded into the current state; when the device legacy state of the operation tracking control is inconsistent with the current state of the device, the legacy state is automatically recorded into the current state after the operation control is released;
s3.4, establishing a logical relation between the running log in the nuclear power plant instruction source and the running limit LCO to the equipment state updating;
the order state of the operation log and/or the order state of the operation limit LCO can be automatically recorded in a temporary state, and when the order state of the operation log and/or the order state of the operation limit LCO is not consistent with the current state, a prompt mark is given by the current state;
and S4, the equipment of the nuclear power plant receives the instruction source of the state change of the field equipment, and real-time adjustment and control are carried out on the field state of the equipment according to the matching relation between the instruction source and the equipment state update.
Claims (9)
1. A nuclear power plant field device state tracking control method, the method comprising:
s1, establishing an instruction source model for the state change of the nuclear power plant field equipment;
s2, constructing an equipment state record classification system, and establishing a matching relation between an instruction source of the nuclear power plant field equipment state change and the equipment state;
s3, establishing a control logic relation of equipment states according to the importance degree of the nuclear power plant operation business;
and S4, the equipment of the nuclear power plant receives the instruction source of the state change of the field equipment, and real-time adjustment and control are carried out on the field state of the equipment according to the matching relation between the instruction source and the equipment state update.
2. The method for tracking and controlling the state of the nuclear power plant field device according to claim 1, wherein the instruction source model for the change of the nuclear power plant field state in S1 specifically comprises:
establishing an operation instruction source model which can cause the state change of the field equipment of the nuclear power plant according to the state change source which can cause the state change of the field equipment of the nuclear power plant, wherein the operation instruction source model specifically comprises five types including system online, isolation, operation tracking and control, operation log and operation limitation LCO.
3. The method for tracking and controlling the state of the field device of the nuclear power plant according to claim 1, wherein the device state record classification system constructed in the step S2 specifically includes:
the nuclear power plant equipment state records are classified, and comprise a current state, a normal state, a temporary state and a branded state,
the current state is the state of the field device after the operation of running files such as a running rule, an isolation operation ticket, a running control operation sheet and the like;
the normal state is a state that the equipment should be in a current unit mode and meets the unit operation requirement;
the temporary state is the state of the equipment after the on-site operation, which is ordered by the personnel in the main control room of the power plant to carry out the equipment operation for the on-site personnel.
4. The method for tracking and controlling the state of the nuclear power plant field device according to claim 3, wherein the matching relationship between the instruction source of the change of the state of the nuclear power plant field device and the state of the device in the step S2 is specifically as follows:
recording the online state of equipment in the current state after the system line in the nuclear power plant instruction is implemented;
recording the equipment listing state and the picking state of the isolation operation ticket into the current state;
recording the marking equipment state and the legacy state of the running control operation list into the current state;
after the system is implemented on line, when the required state is consistent with the actual state, the actual state is automatically recorded into the normal state; when the current required state is inconsistent with the actual state, selectively recording the actual state into a normal state;
recording the equipment listing state of the isolated operation ticket into the listed state;
and recording the order state of the operation log and the order state of the operation limit LCO in a temporary state, wherein when the temporary state is inconsistent with the current state, the current state can give clear prompt information.
5. The method for tracking and controlling the state of the field devices of the nuclear power plant according to claim 1, wherein the step of establishing the control logic relationship of the device state in the step S3 includes a step of updating the device state by the instruction source system of the nuclear power plant on line according to a logic relationship:
when the equipment needing to be operated on line of the system has isolation listing or operation control, the system is prevented from operating the target equipment on line;
after the system is implemented on line, the actual state of the equipment after operation is automatically recorded into a normal state;
when the system is implemented on line and the actual state of the equipment after operation is consistent with the required state, automatically recording the actual state into the normal state; when the system is implemented online, if the actual state of the equipment after operation is inconsistent with the required state, the normal state is not automatically updated, but the actual state of the equipment after operation is allowed to be manually recorded into the normal state.
6. The method of claim 1, wherein the step of establishing the control logic relationship of the plant state at S3 includes the step of isolating the logic relationship of the plant command source for updating the plant state as follows:
when the equipment has operation control, the implementation of the isolation tag is prevented;
after the isolation is implemented, the listing state of the isolation equipment is automatically recorded into the current state; after the isolation is released, the card picking state of the isolation equipment is automatically recorded into the current state;
after the isolation is implemented, the listing state of the isolation device is automatically recorded into the listing state.
7. The method for tracking and controlling the state of the nuclear power plant field device according to claim 1, wherein the step of establishing the control logic relationship of the device state in the step S3 includes the step of updating the device state by the nuclear power plant instruction source operation tracking and control according to the logic relationship:
when the equipment has the isolation tag, the implementation of operation tracking and control is prevented;
when the equipment marking equipment state of the operation tracking control is inconsistent with the current state of the equipment, after the operation control is implemented, the marking equipment state is automatically recorded into the current state; when the device leaving state of the operation tracking control is inconsistent with the current state of the device, the leaving state is automatically recorded into the current state after the operation control is released.
8. The method for tracking and controlling the status of the nuclear power plant field devices according to claim 1, wherein the established control logic relationship of the device status in S3 includes a logic relationship of the update of the device status by the nuclear power plant instruction source operation log and the operation limit LCO:
the order state of the operation log and/or the order state of the operation limit LCO can be automatically recorded in a temporary state, and when the order state of the operation log and/or the order state of the operation limit LCO is not consistent with the current state, a prompt mark is given by the current state.
9. The method for tracking and controlling the state of the field device of the nuclear power plant according to claim 2, wherein the system online, isolation, operation tracking and control, operation log and operation limit LCO in the instruction source are specifically:
the system online use operation rule comprises a unit mode, a required state and an actual state element, wherein the required state is a state that equipment needs to be placed in a required state to meet the operation requirement of the current unit mode; the actual state is consistent with the required state by default, and when the equipment cannot be in the required state, the equipment can be only placed in an acceptable state inconsistent with the requirement;
the isolation operation ticket for isolation comprises an equipment listing state and an equipment removing state, wherein the equipment listing state is a state for setting equipment in isolation requirements in order to establish a protection area for field work; the equipment card picking state is a state that a protection area is not required to be established in field work, the equipment is recovered to a normal operation requirement, and the equipment card hanging state is in the front and the equipment card picking state is in the back, so that the equipment card picking state cannot exist at the same time;
the operation tracking and control uses an operation control operation list, which comprises a marking device state, a recovery device state and a legacy state, wherein the marking device state is the content of acquiring the current state of the device, and when the actual required state is inconsistent with the current state, the marking device state of different devices in the current state can be selected; the recovered equipment state is defaulted to be the current state of the acquired equipment; when the legacy state is the state of the device after the device is recovered and the recovered device state of the operation tracking and control is not consistent, recording the actual state of the device field in the legacy state;
the running log uses a command mode comprising the current state of the equipment and the required state of the equipment, wherein the current state of the equipment can obtain the current state content of the equipment; the equipment request state is the equipment state after the order operation;
the method comprises the steps of running a command mode for limiting LCO use, wherein the command mode comprises a current state of equipment and a required state of the equipment, and the current state of the equipment can obtain the current state content of the equipment; the device request state is a device state after the command operation.
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| 张冀兰: "工单电子终端研究与核电厂首次应用实践", 电工技术, 10 November 2017 (2017-11-10) * |
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