CN106409360A - Method used for achieving nuclear power plant overpressure protection functions - Google Patents

Method used for achieving nuclear power plant overpressure protection functions Download PDF

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Publication number
CN106409360A
CN106409360A CN201610851348.0A CN201610851348A CN106409360A CN 106409360 A CN106409360 A CN 106409360A CN 201610851348 A CN201610851348 A CN 201610851348A CN 106409360 A CN106409360 A CN 106409360A
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China
Prior art keywords
pressure
overpressure protection
signal
nuclear power
rack
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CN201610851348.0A
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Chinese (zh)
Inventor
胡文正
张益林
郭伟
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China General Nuclear Power Corp
China Nuclear Power Technology Research Institute Co Ltd
CGN Power Co Ltd
Lingdong Nuclear Power Co Ltd
Original Assignee
China General Nuclear Power Corp
China Nuclear Power Technology Research Institute Co Ltd
CGN Power Co Ltd
Lingdong Nuclear Power Co Ltd
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Application filed by China General Nuclear Power Corp, China Nuclear Power Technology Research Institute Co Ltd, CGN Power Co Ltd, Lingdong Nuclear Power Co Ltd filed Critical China General Nuclear Power Corp
Priority to CN201610851348.0A priority Critical patent/CN106409360A/en
Publication of CN106409360A publication Critical patent/CN106409360A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G21NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21CNUCLEAR REACTORS
    • G21C17/00Monitoring; Testing ; Maintaining
    • GPHYSICS
    • G21NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21CNUCLEAR REACTORS
    • G21C17/00Monitoring; Testing ; Maintaining
    • G21C17/003Remote inspection of vessels, e.g. pressure vessels
    • GPHYSICS
    • G21NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21CNUCLEAR REACTORS
    • G21C17/00Monitoring; Testing ; Maintaining
    • G21C17/10Structural combination of fuel element, control rod, reactor core, or moderator structure with sensitive instruments, e.g. for measuring radioactivity, strain
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E30/00Energy generation of nuclear origin
    • Y02E30/30Nuclear fission reactors

Abstract

The invention provides a method used for achieving nuclear power plant overpressure protection functions. The method comprises following steps: S1, functional requirements of a overpressure protection device are obtained; S2, hardware and software requirements on achieving overpressure protection functions are evaluated based on the functional requirements; and S3, feasibility analysis of a nuclear power plant digital instrument control system is carried out based on the hardware and software requirements, and a overpressure protection device scheme is determined. According to the method, overpressure protection functions are achieved via resource of a nuclear power plant digital instrument control platform, the scale and workload of the overpressure protection device are reduced greatly, no extra equipment purchase expenditure is needed, construction period is controllable, and operability and economical efficiency are high.

Description

A kind of method realizing nuclear power station overpressure protection function
Technical field
The present invention relates to pressurized-water reactor nuclear power plant instrument control technical field, more particularly, to one kind realize nuclear power station overpressure protection function Method.
Background technology
At present, the correlation technique with nuclear power station overpressure protection function, such as adopts analogue technique or PLC(PLC technology Device)Realize overpressure protection apparatus, realize method of overpressure protection etc. by temperature control.But, above-mentioned existing procucts skill Art and method need the corresponding I &C equipment of additional configuration, such as control module, I/O module etc., the control system with nuclear power station itself Incompatible, also lead to increased cost because additionally purchasing I &C equipment;Commonly use as PLC scheme, only enable superpressure Defencive function is it is impossible to provide the man-machine interface of feature richness.
Content of the invention
The technical problem to be solved is, provide a kind of do not need additionally to add I &C equipment realize nuclear power The method of overpressure protection function of standing.
In order to solve above-mentioned technical problem, the present invention provides a kind of method realizing nuclear power station overpressure protection function, including:
Step S1, obtains the functional requirement of overpressure protection apparatus;
Step S2, realizes the software and hardware demand of overpressure protection function according to the assessment of described functional requirement;
Step S3, makees feasibility analysis according to described software and hardware demand to nuclear plant digital I&C system, determines overpressure protection Device scheme.
Wherein, the functional requirement of the overpressure protection apparatus obtaining in described step S1 includes:Test pressure is not less than reaction 1.2 times of core pressure vessel design pressure, process of the test needs to stop so that the related test of execution is lived in multiple pressure platforms Move, before the pressure of each pressure platform is protected definite value different and reached different pressure platforms, corresponding protection definite value will be entered Row switches, can according to circumstances realize in process of the test the supervision of the automatic decompression protection of hand and system equipment status.
Wherein, in described step S2, software requirement specifically refers to the configuration of Logical Configuration, database con-figuration and picture, firmly Part demand refers to that overpressure protection needs the pressure gauge of multiple redundancies or pressure transmitter to hold measuring pressure and pressure relief valve etc. Row mechanism provides protection, described pressure gauge or pressure transmitter to have different measuring scope.
Wherein, described step S2 also includes:According to described software and hardware demand determine need participation protective system instrument and The quantity of pump valve and its geographical position, the input and output points of system, including analog input defeated/to go out signal, switching value defeated Enter/output signal, the quantity of all types of signals.
Wherein, in described step S3 feasibility analysis specifically refer to nuclear plant digital I&C system whether possess expansible Property, whether possess the window implementing software and hardware modification, the risk analysis implementing related operation under window in conjunction with unit state analysis With quarantine measures, the assessment of duration and the impact to set state.
Wherein, described overpressure protection apparatus scheme specifically includes the signal termination of LEVEL0 layer instrument, pump group and valve, LEVEL1 layer Logical Configuration, LEVEL2 layer picture configuration three part, wherein, LEVEL0 layer includes detecting primary Ioops pressure signal Transmitter meter, the pump group of execution boosting pressure release and valve, LEVEL1 layer includes the collection of pressure signal, executing agency instructs The logic realization of output and overpressure protection, rotection thresholds switching;LEVEL2 includes showing overpressure protection apparatus correlation transmitter Instrument and the state of pump valve, and the operation interface of correlation.
Wherein, LEVEL0 layer carry out signal termination when, the site layout project according to nuclear plant digital I&C system rack and I/O module, in the distribution of each rack, selects the signal of all participations all can enter between row operation and output, cabinet in same rack Number of cables is few, need not additionally lay rack from reactor building to the cable of electrical building.
Wherein, methods described also includes:Carry out emptying lower dress to the rack selecting, described empty lower dress and refer to new control In program code writing controller internal memory processed, with overlay controller original control program code and the storage that resets real time execution Data.
Wherein, before emptying lower dress described in execution, the executing agency relevant to controller carries out isolated operation.
Wherein, in described overpressure protection apparatus scheme, overpressure protection apparatus include:
The high accuracy piston gage that system carries, for providing normal pressure to compare;
The differential pressure type pressure sensor that system carries, for measuring primary Ioops pressure and normal pressure difference;
The static pressure type pressure sensor that system carries, for measuring primary Ioops pressure;
The extra static pressure type pressure sensor adding, has wide-range, for the water pressure test during primary Ioops pressure detecting and prison Depending on;
The extra static pressure type pressure sensor adding, has narrow range, for the water pressure test during primary Ioops pressure detecting and guarantor Shield;
That additionally adds shows pressure gauge, on the spot for showing the pressure of measurement on the spot;
The relief valve that system carries, for executing primary Ioops pressure release;
The booster that system carries, for executing primary Ioops boosting;
The extra recorder on the spot adding and the extra master control recorder adding;
Wherein, described static pressure type pressure sensor goes to 2 input channels of LEVEL1 layer for input analog amount, from LEVEL1 Layer go to described in 2 output channels of recorder and described master control recorder on the spot be used for exporting analog quantity, go from LEVEL1 layer 2 output channels toward described relief valve, described booster are used for output switch amount.
The having the beneficial effects that of the embodiment of the present invention:
The present invention realizes overpressure protection apparatus function by using the resource that power station digitizes instrument control platform, greatly reduces superpressure and protects Protection unit scale and workload, no extra equipment purchasing expense, the duration is controlled, has very strong operability and economy.
Brief description
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing Have technology description in required use accompanying drawing be briefly described it should be apparent that, drawings in the following description be only this Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, acceptable Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is a kind of schematic flow sheet of the method realizing nuclear power station overpressure protection function of the embodiment of the present invention.
Fig. 2 is the overpressure protection dress that a kind of method realizing nuclear power station overpressure protection function determines according to embodiments of the present invention The structural representation put.
Specific embodiment
The explanation of following embodiment is refer to the attached drawing, can be in order to the specific embodiment implemented in order to the example present invention.
The present invention digitizes I&C system platform with reference to power station and realizes overpressure protection function, can quickly set up a set of function Independent overpressure protection apparatus, without other extra control devices(Controller, I/O module etc.).As shown in figure 1, the method Specifically include following steps:
Step S1, obtains the functional requirement of overpressure protection apparatus;
Step S2, realizes the software and hardware demand of overpressure protection function according to the assessment of described functional requirement;
Step S3, makees feasibility analysis according to described software and hardware demand to nuclear plant digital I&C system, determines overpressure protection Device scheme.
Specifically, in step S1, the overpressure protection apparatus being applied to the one loop of nuclear power station water pressure test need to consider to meet phase Close provisions of laws and regulations, such as test pressure is not less than 1.2 times of reactor pressure vessel design pressure;According to water pressure test program Requirement, process of the test may need to stop so that the related test activity of execution in multiple pressure platforms(As leakage detection etc.);? The pressure protection definite value of each pressure platform is also different, and before reaching different pressure platforms, corresponding protection definite value will be carried out Switching(Realizing this function does not need to arrange single hardware device, by designing man-machine interface in software(As switching push button etc.) Carry out parameter modification to realize);The automatic decompression protection of hand can according to circumstances be realized in process of the test;In process of the test it is Supervision of system equipment state etc..
In step S2, software aspects need to consider the relay protective scheme configuration of correlation, database parameter setting, the configuration of picture Deng;Hardware aspect such as overpressure protection needs the pressure gauge of multiple redundancies or pressure transmitter to measure pressure and pressure relief valve Protection, described pressure gauge or pressure transmitter is provided to have different measuring scope Deng executing agency.Accurately fixed for improving measurement, join Local pressure gauge and teletransmission pressure sensing instrument are put;From different measurement ranges, short range realizes protection, and wide-range is used for Display.Determined based on the demand and need the instrument of participation protective system and the quantity of pump valve and its geographical position, system Input and output points, including analog input defeated/go out signal, On-off signal/output signal, the quantity of all types of signals Deng carrying out next step design of hardware and software.
Whether the digitlization I&C system that the feasibility analysis of step S3 includes in-service power station possesses extensibility, in conjunction with unit State analysis whether possess implement software and hardware modification window, implement the risk analysis of related operation and quarantine measures under window, The assessment of duration, impact to set state etc..Overpressure protection apparatus scheme divides three parts:LEVEL0 layer instrument, pump group and valve The signal termination of door;LEVEL1 layer Logical Configuration;LEVEL2 layer picture configuration.LEVEL0 layer includes detecting primary Ioops pressure signal Transmitter meter, the execution boosting pump group of pressure release and valve;LEVEL1 layer includes the collection of pressure signal, executing agency's instruction Output and overpressure protection logic realization, rotection thresholds switching etc.;LEVEL2 includes showing the related change of overpressure protection apparatus Send the state of instruments and meters and pump valve, and the operation interface of correlation.It should be noted that LEVEL is a kind of functional concept, For dividing the function of control system different levels.In general, LEVEL1 represent be used for realizing signals collecting, logical operation with And the relevant device of instruction output function, such as controller, acquisition module;LEVEL2 represents the phase for realizing human-machine interface function Pass equipment, such as giant-screen, operation platform etc..LEVEL1 the and LEVEL2 related hardware of overpressure protection function is realized in the present embodiment By nuclear plant digital I&C system platform existing device, related software designs on nuclear plant digital I&C system platform Configuration is realizing.
The signal termination of LEVEL0 layer instrument, pump group and valve, the rack being located according to signal, list the letter needing termination Number top and destination, layout of setting foot-point in advance;LEVEL1 layer completes corresponding configuration according to the functions of the equipments of system, including number According to storehouse configuration and Logical Configuration, the conversion of inclusion definite value inventory mainly completing and the switching of defencive function.Wherein, database group State:The signal being input to digitlization I&C system at all scenes must carry out database con-figuration, such as certain pressure transmitter, first First need to define a code, such as RCP015MP to it, the measurement range of this block instrument once is set, such as 11MPa to 18Mpa; Setting physical unit, such as Mpa;If it is for showing, just without setting threshold comparator, such as participate in control logic, need to set Put corresponding threshold value, such as pressure reaches one warning of output during 16.8MPa, at this moment in the threshold of one XU1=16.8 of data lab setting It is worth;Logical Configuration:Realize protection and control function is realized by Logical Configuration, such as pressure reaches to be opened during 20.9Mpa Open pressure relief valve, in Logical Configuration, pressure value is input in comparator and is compared, when more than 20.9Mpa, comparator Output 1, this 1 by controller come control valve open.
In the present embodiment, the enforcement of overpressure protection apparatus needs the controller of nuclear plant digital I&C system is carried out clearly Empty lower dress.Empty lower dress, refer to that this process is original by overlay controller by new control program code writing controller internal memory Control program code and the storage that resets real-time running data(Cover and reset functions as removing, empties).Empty Lower dress is realized by running the operation of computer relevant software programs, hardware does not need dismantle any parts.Empty in execution The executing agency relevant to controller is needed to carry out isolated operation before lower dress.Due to empty lower dress can cover with reset controller in Program code and service data, and service data is that logic is related with the state of power station field apparatus, therefore in the fortune that resets It is necessary to field apparatus is placed in safe condition before row data, make the state of field apparatus by taking some expedients Do not change with the change of controller data, referred to as isolated operation.For act, controller exports logical zero through logical operation Level signal to control certain valve opening to be maintained at 0% fully closed;After emptying lower dress, controller data is reset, and leads to export Signal is changed into logic 1, and so this valve opening may be changed into 100%, and uncontrollable state change of this burst is typically in nuclear power Factory is unacceptable.Therefore before emptying lower dress execution, this valve is carried out the operation such as power-off, electric-mechanic locking and avoids malfunction, It is a kind of isolated operation.When carrying out signal termination, site layout project and the I/O that power station digitizes I&C system rack need to be assessed Module, in the distribution of each rack, answers emphasis to consider:a)Select certain separate unit rack(Participate in the sensor signal of overpressure protection function It is distributed in several racks, such as 2 signals of A rack, 4 signals of B rack, 1 signal of C rack, so typically can select B machine Cabinet, then by the signal of A cabinet and C cabinet pass through cabinet between cable transmission arrive B rack, all signals same rack complete gather with Logical operation.The principle selecting is that the signal of all participations must enter row operation and output in a rack, considers to subtract simultaneously The quantity of cable, service condition of space, alternate channel etc. in selected rack between few cabinet)Complete collection and the output of signal, Reduce the communication of rack room;b)Complete the connection of signal using the existing cable trace of rack, need not additionally lay from reactor Factory building to electrical building cable.
Below taking the enforcement of the red nuclear power station along the river No. 1 unit overpressure protection apparatus of the overhaul water pressure test first as a example to this Bright it is described in further detail.
Step S1 is first carried out, obtains the functional requirement of overpressure protection apparatus:
a)Test needs to configure the defencive function under multiple pressure platforms, such as 2.7MPa, 7MPa, 10MPa, 15.4MPa, 16.5MPa、17.2MPa、20.6MPa.It is 16.8/ respectively wherein in 15.4MPa and following high one and high two protection definite values 17.2MPa;It is 20.9MPa in the protection definite value of 15.4-17.2MPa platform;In the protection definite value of 20.6MPa platform it is 20.64MPa, the definite value of adjustment protection at any time during above-mentioned pressure uplink/downlink simultaneously;
b)Need in process of the test to provide real-time supervision picture, sound and light alarm, automatic protection, emergency manual to beat the functions such as lock.
Then execution step S2, red No. 1 unit along the river digitizes the MACS6 system that I&C system adopts, and this system provides The related software of Logical Configuration, picture configuration and database con-figuration, can meet the demand of software aspects;Participate in superpressure through combing The instrument of protection and the quantity of valve pump group, calculate and need the hardware size configuring as follows:Analog input channel 2, mould Analog quantity output channel 2,2, output switch parameter passage(Above-mentioned passage is taken from setting in nuclear plant digital I&C system rack Standby);Pressure relief valve and booster adopt nuclear power plant system from carrying device;Temporary pressure transmitter 2(Take from nuclear power station test specially Use instrument).
Execution step S3 again, because the dcs of general industry is respectively provided with certain extensibility, domestic The digitlization instrument control platform that CPR1000 nuclear power generating sets are adopted also has similar function, and therefore red No. 1 unit along the river possesses reality Apply the basic condition of overpressure protection apparatus function.In addition unit, during overhaul, selects to implement relevant programme in low low water level, can Impact to the major overhaul duration in reduction scheme implementation process(It is not take up critical path).
By upper acquisition overpressure protection apparatus scheme, its structure is as shown in Fig. 2 include:
The high accuracy piston gage 1 that system carries, for providing normal pressure to compare;
The differential pressure type pressure sensor 2 that system carries, for measuring primary Ioops pressure and normal pressure difference;
The static pressure type pressure sensor 3 that system carries, for measuring primary Ioops pressure;
The extra static pressure type pressure sensor 4 adding, has wide-range, for the water pressure test during primary Ioops pressure detecting and prison Depending on;
The extra static pressure type pressure sensor 5 adding, has narrow range, for the water pressure test during primary Ioops pressure detecting and guarantor Shield;
That additionally adds shows pressure gauge 6, on the spot for showing the pressure of measurement on the spot;
The relief valve 7 that system carries, for executing primary Ioops pressure release;
The booster 8 that system carries, for executing primary Ioops boosting;
The extra recorder on the spot 9 adding and the extra master control recorder 10 adding.
Wherein, static pressure type pressure sensor 4,5 go to LEVEL1 2 input channels be used for input analog amount, from 2 output channels that LEVEL1 goes to recorder 9 and master control recorder 10 on the spot are used for exporting analog quantity, go to from LEVEL1 and let out Pressure valve 7,2 output channels of booster 8 are used for output switch amount.
According to aforementioned condition, select No. 28 control station as the control station of dress under logic, participate in super in this control station The instrument signal Relatively centralized of pressure protection, by multi-scheme than choosing, can reduce number of cables between cabinet, length using this control station, The cross-operation impact of other work during reducing on overhaul, Configuration Design and hardware modifications amount are minimum.Related signals collecting It is all from this control station with output, do not produce communication signal between cabinet, effectively reduce number of cables;This control station is controlled Equipment(Mainly executing agency)Carry out combing with interlock logic it is proposed that risk analysis and quarantine measures;Complete to isolate Dress under the emptying of the laggard line control unit of measure, lower dress process does not impact to unit equipment state;In signal termination process, In advance combing has gone out electrical building to the cable trace between reactor building, by way of borrowing passage, effectively prevent volume Lay outward private cable.More than it is operated in before the water pressure test starts and complete it is not necessary to arrange critical path can complete above-mentioned work Make, during the water pressure test, overpressure protection apparatus normal operation, do not produce malfunction and tripping, be the smooth enforcement of the water pressure test Lay a solid foundation.
By described above, the beneficial effects of the present invention is:
The present invention realizes overpressure protection apparatus function by using the resource that power station digitizes instrument control platform, greatly reduces superpressure and protects Protection unit scale(Hardware facility)And workload(As laid private cable etc.), no extra equipment purchasing expense, the duration is controlled, There is very strong operability and economy;By taking into full account risk analysis and taking corresponding quarantine measures, can be by machine The impact of group is decreased to zero;After completing corresponding software and hardware setting before testing first, follow-up test need not repeat to arrange, it is to avoid Water pressure test overpressure protection apparatus need to repeat the problem of setting, long term maintenance as a kind of makeshift device;Have monitor in real time, Multiple redundancy protection, Protection of Diversity means, non-maintaining the features such as, improve the response time of protection system and control accurately Degree.
Above disclosed be only present pre-ferred embodiments, certainly the right model of the present invention can not be limited with this Enclose, the equivalent variations therefore made according to the claims in the present invention, still belong to the scope that the present invention is covered.

Claims (10)

1. a kind of method realizing nuclear power station overpressure protection function, including:
Step S1, obtains the functional requirement of overpressure protection apparatus;
Step S2, realizes the software and hardware demand of overpressure protection function according to the assessment of described functional requirement;
Step S3, makees feasibility analysis according to described software and hardware demand to nuclear plant digital I&C system, determines overpressure protection Device scheme.
2. method according to claim 1 it is characterised in that in described step S1 obtain overpressure protection apparatus function Demand includes:Test pressure is not less than 1.2 times of reactor pressure vessel design pressure, process of the test needs to put down in multiple pressure Platform stops to execute related test activity, the pressure protection definite value difference in each pressure platform and to reach different pressures Before power platform corresponding protection definite value to switch over, can according to circumstances realize in process of the test the automatic decompression protection of hand with And the supervision of system equipment status.
3. method according to claim 1 it is characterised in that in described step S2 software requirement specifically refer to logical groups The configuration of state, database con-figuration and picture, hsrdware requirements refer to that overpressure protection needs the pressure gauge of multiple redundancies or pressure to become Device is sent to provide protection measuring the executing agencies such as pressure and pressure relief valve, described pressure gauge or pressure transmitter have different surveys Amount scope.
4. method according to claim 3 is it is characterised in that described step S2 also includes:According to described software and hardware demand Determine the input and output points needing the instrument of participation protective system and the quantity of pump valve and its geographical position, system, including Analog input is defeated/go out signal, On-off signal/output signal, the quantity of all types of signals.
5. method according to claim 1 it is characterised in that in described step S3 feasibility analysis specifically refer to nuclear power station Digitlization I&C system whether possess extensibility, in conjunction with unit state analysis whether possess implement software and hardware modification window, Implement the risk analysis of related operation and quarantine measures, the assessment of duration and the impact to set state under window.
6. the method according to any one of claim 1-5 is it is characterised in that described overpressure protection apparatus scheme specifically includes The signal termination of LEVEL0 layer instrument, pump group and valve, LEVEL1 layer Logical Configuration, LEVEL2 layer picture configuration three part, its In, LEVEL0 layer includes transmitter meter, the pump group of execution boosting pressure release and the valve detecting primary Ioops pressure signal, LEVEL1 Layer includes the logic realization of the collection of pressure signal, the output of executing agency's instruction and overpressure protection, rotection thresholds switching; LEVEL2 includes showing the state of overpressure protection apparatus correlation transmitter meter and pump valve, and the operation interface of correlation.
7. method according to claim 6 it is characterised in that LEVEL0 layer carry out signal termination when, according to nuclear power station number The site layout project of word I&C system rack and I/O module in the distribution of each rack, select the signal of all participations all can with Enter in one rack that number of cables between row operation and output, cabinet is few, need not additionally lay from reactor building to electrical building The rack of cable.
8. method according to claim 7 is it is characterised in that also include:Carry out emptying lower dress to the rack selecting, described Empty lower dress and refer in new control program code writing controller internal memory, with overlay controller original control program code And the real-time running data of the storage that resets.
9. method according to claim 8 it is characterised in that execution described in empty lower dress before hold relevant to controller Row mechanism carries out isolated operation.
10. method according to claim 6 is it is characterised in that overpressure protection apparatus in described overpressure protection apparatus scheme Including:
The high accuracy piston gage that system carries, for providing normal pressure to compare;
The differential pressure type pressure sensor that system carries, for measuring primary Ioops pressure and normal pressure difference;
The static pressure type pressure sensor that system carries, for measuring primary Ioops pressure;
The extra static pressure type pressure sensor adding, has wide-range, for the water pressure test during primary Ioops pressure detecting and prison Depending on;
The extra static pressure type pressure sensor adding, has narrow range, for the water pressure test during primary Ioops pressure detecting and guarantor Shield;
That additionally adds shows pressure gauge, on the spot for showing the pressure of measurement on the spot;
The relief valve that system carries, for executing primary Ioops pressure release;
The booster that system carries, for executing primary Ioops boosting;
The extra recorder on the spot adding and the extra master control recorder adding;
Wherein, described static pressure type pressure sensor goes to 2 input channels of LEVEL1 layer for input analog amount, from LEVEL1 Layer go to described in 2 output channels of recorder and described master control recorder on the spot be used for exporting analog quantity, go from LEVEL1 layer 2 output channels toward described relief valve, described booster are used for output switch amount.
CN201610851348.0A 2016-09-27 2016-09-27 Method used for achieving nuclear power plant overpressure protection functions Pending CN106409360A (en)

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CN107887038A (en) * 2017-11-15 2018-04-06 中广核工程有限公司 The cold protection against overpressure method and device of nuclear power station
CN107887038B (en) * 2017-11-15 2020-02-14 中广核工程有限公司 Cold overpressure protection method and device for nuclear power station
CN110033874A (en) * 2019-04-15 2019-07-19 广西防城港核电有限公司 The method of Nuclear Instrument system RPN3 Φ threshold value automation adjustment based on FirmSys platform
CN110033874B (en) * 2019-04-15 2021-12-24 广西防城港核电有限公司 Nuclear instrument system RPN3 phi threshold automatic adjustment method based on FirmSys platform
CN115407724A (en) * 2021-05-28 2022-11-29 福建福清核电有限公司 Overpressure protection method for primary loop hydrostatic test of nuclear power station
CN113571211A (en) * 2021-07-06 2021-10-29 中国核电工程有限公司 Reactor overpressure protection system and method, nuclear power system and primary loop system thereof
CN113571211B (en) * 2021-07-06 2023-12-19 中国核电工程有限公司 Nuclear power system and method and primary loop system thereof as well as reactor overpressure protection system and method
CN113488211A (en) * 2021-07-15 2021-10-08 华能山东石岛湾核电有限公司 Control method for high-temperature gas cooled reactor plant water system based on MACS6 platform
CN113488211B (en) * 2021-07-15 2022-09-27 华能山东石岛湾核电有限公司 Control method for high-temperature gas cooled reactor plant water system based on MACS6 platform

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Application publication date: 20170215