CN113488211A - Control method for high-temperature gas cooled reactor plant water system based on MACS6 platform - Google Patents

Control method for high-temperature gas cooled reactor plant water system based on MACS6 platform Download PDF

Info

Publication number
CN113488211A
CN113488211A CN202110798058.5A CN202110798058A CN113488211A CN 113488211 A CN113488211 A CN 113488211A CN 202110798058 A CN202110798058 A CN 202110798058A CN 113488211 A CN113488211 A CN 113488211A
Authority
CN
China
Prior art keywords
standby
pump
flag variable
mode
variable
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
CN202110798058.5A
Other languages
Chinese (zh)
Other versions
CN113488211B (en
Inventor
雷川
刘志明
刘燕
房俊生
张智军
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Huaneng Shandong Shidaobay Nuclear Power Co Ltd
Original Assignee
Huaneng Shandong Shidaobay Nuclear Power Co Ltd
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 Huaneng Shandong Shidaobay Nuclear Power Co Ltd filed Critical Huaneng Shandong Shidaobay Nuclear Power Co Ltd
Priority to CN202110798058.5A priority Critical patent/CN113488211B/en
Publication of CN113488211A publication Critical patent/CN113488211A/en
Application granted granted Critical
Publication of CN113488211B publication Critical patent/CN113488211B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21C—NUCLEAR REACTORS
    • G21C15/00—Cooling arrangements within the pressure vessel containing the core; Selection of specific coolants
    • G21C15/02—Arrangements or disposition of passages in which heat is transferred to the coolant; Coolant flow control devices
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21C—NUCLEAR REACTORS
    • G21C15/00—Cooling arrangements within the pressure vessel containing the core; Selection of specific coolants
    • G21C15/18—Emergency cooling arrangements; Removing shut-down heat
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21C—NUCLEAR REACTORS
    • G21C15/00—Cooling arrangements within the pressure vessel containing the core; Selection of specific coolants
    • G21C15/24—Promoting flow of the coolant
    • G21C15/243—Promoting flow of the coolant for liquids
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • General Engineering & Computer Science (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Control Of Positive-Displacement Pumps (AREA)

Abstract

A control method for a high-temperature gas-cooled reactor plant water system based on a MACS6 platform comprises three module control methods of a switching module QH1_1 one-operation one-standby maintenance mode, a rotation module LH1_2 one-operation two-standby mode and a voltage loss module SY2_1 two-operation one-standby mode.

Description

Control method for high-temperature gas cooled reactor plant water system based on MACS6 platform
Technical Field
The invention belongs to a process control method in the technical field of DCS control systems, and particularly relates to a control method for a water system of a high-temperature gas cooled reactor plant based on a MACS6 platform and application thereof.
Background
A global first pebble bed module type high-temperature gas cooled reactor commercial demonstration power station which is independently researched and developed and constructed in China is one of 16 major scientific and technological specialties in China and belongs to the fourth-generation nuclear power technology. The design requirement of the plant water system is that various automatic operation working conditions are realized according to different seasons, so that the system has more operation working conditions, the automatic sequence control logic is high, and a standard module similar to the sequential control of the plant water system of the pebble-bed modular high-temperature gas-cooled reactor is not provided in the construction and debugging process of the conventional nuclear power station. The conventional logical configuration of the MACS6 platform is implemented by combining a standard and-or module, a standard sequence control module, and an equipment control module to realize a relatively simple sequential control function. However, the automatic sequence control logic of the complex system under multiple operating conditions is difficult to implement, the normal execution of the sequence control logic step is difficult to ensure, multiple complex operating condition logics have multiple uncertainty problems, the configuration modification difficulty in the system debugging process is large, the potential risk after modification is difficult to control, and the risk is brought to the automatic operation of the system.
Disclosure of Invention
The purpose of the invention is: in order to overcome the defects of the prior art, a special module which is used for the process control of the water system of the high-temperature gas cooled reactor plant and has the functional characteristics of high integration level, modular structure, convenience in logic configuration and maintenance, centralized function, independent automatic completion of presetting and the like is developed based on the MACS6 platform.
The technical scheme adopted by the invention is as follows:
the control method for the high-temperature gas cooled reactor plant water system based on the MACS6 platform comprises three modules of a switching module QH1_1 one-operation one-standby maintenance mode, a module LH1_2 one-operation two-standby mode and a module SY2_1 two-operation one-standby mode, and is characterized in that: the three modes are built by adopting standard functional modules of AND, OR, NOT, SEL and TP doors, the equipment switching function of working conditions of one operation for one standby, one operation for two standby and one operation for two standby is realized, namely when the operation equipment has a fault or/and the system operation pressure is abnormal, the switching operation of the equipment can be automatically realized, and simultaneously, the state of the fault equipment is automatically positioned at the maintenance position, and the system operation mode is automatically switched.
The mode of the switching module QH1_1 for one-operation-one-standby-one maintenance includes the following technical features: the system comprises a system automatic control mode 1, a pump running mode 2, a pump standby mode 3, a pump maintenance mode 4, a system pressure low interlock 5, a running pump running state 6, a pressure low signal 7, an electrical fault 8, a 1# bus voltage loss 9, a standby valve off state 10, a standby pump on-off state 11, a standby pump running state 12, a standby valve on state 13, a running valve off state 14, a running pump on-off state 15, a start completion 16, a reset button 17, a switch standby valve 18, a pressure low zero clearing interlock 19, a standby pump start control 20, a standby valve on-off control 21, a switch running valve control 22, a stop running pump running control 23, a standby pump running mode 24, a running pump maintenance mode 25 and a standby pump maintenance mode 26.
Module LH1_2 first-in-second-standby mode includes the following technical features: system automatic control mode 1, pump run 1 mode 2, pump 1 backup 1 mode 3, pump 2 backup 2 mode 4, system pressure low interlock 5, run pump run state 6, start alternate control signal 7, bus 1 loss of voltage 8, bus 2 loss of voltage 9, backup valve 1 off state 10, backup pump 1 on/off state 11, backup pump 1 run state 12, backup valve 1 on state 13, run valve off state 14, run pump shutdown state 15, run pump on/off state 16, backup valve 2 off state 17, backup pump 2 on/off state 18, backup pump 2 run state 19, backup valve 2 on state 20, backup pump 1 remote/local state 21, start complete 22, reset button 23, close backup valve 124, pressure low interlock clear 25, close backup valve 226, backup pump 1 start control 27, backup valve 1 on control 28, run valve off control 29, stop run pump control 30, start control 30, and start control, A standby pump 1-set operation 1 mode 31, a standby pump 2-set standby 1 mode 32, a standby pump 2 start control 33, a standby valve 2 on control 34, a standby pump 2-set operation 1 mode 35, an operating pump-set standby 2 mode 36, an operating pump-set standby 1 mode 37, and a standby pump 1-set maintenance mode 38.
The module SY2_1 comprises the following technical features: the system comprises a system automatic control mode 1, a pump 1 operation mode 1 and 2, a pump 2 operation mode 2 and 3, a pump standby mode 4, a system pressure low interlock 5, an operation pump 1 operation state 6, an operation pump 2 operation state 7, a bus voltage loss 8, a standby valve off state 9, a standby pump on-off state 10, a standby valve on state 11, an operation pump 1 on-off state 12, a start completion 13, a reset button 14, a standby pump operation state 15, a standby valve off control 16, a pressure low interlock zero clearing 17, a standby pump start control 18, a standby valve on control 19, a stop operation pump 1 control 20, a standby pump device operation mode 1 21 and an operation pump 1 device maintenance mode 22.
Has the advantages that: the system can efficiently and accurately complete the seasonal control function of the water system design of the pebble-bed high-temperature gas-cooled reactor in spring, summer, autumn and winter, and has the characteristics of simple configuration, clear interface, modular configuration and convenience in maintenance; and the module can be expanded according to the actual condition, meets the similar process control requirements of other systems, and is convenient for the transformation and application of the later logic configuration.
Drawings
FIG. 1 is a schematic diagram of a QH1_1 special module for one-in-one-standby-one maintenance mode;
FIG. 2 is a schematic diagram of a special module for LH1_2 standby mode;
FIG. 3 is a diagram of a specific module of SY2_1 dual mode and one standby mode;
FIG. 4 is a schematic diagram of the internal schematic diagram design process of the QH1_1 one-in-one-standby-one maintenance mode;
FIG. 5 is a schematic diagram illustrating an internal schematic diagram design process of the LH1_2 one-running-two-standby mode;
FIG. 6 is a schematic diagram of the internal schematic diagram design process of SY2_1 dual mode and single standby mode.
Detailed Description
A control module for a water system of a high-temperature gas cooled reactor plant comprises a module QH1_1, a module LH1_2 and a module SY2_ 1.
The working principle of the invention is as follows:
the main equipment of the water system for the high-temperature gas cooled reactor plant comprises 3 circulating water pumps, 3 water pump outlet valves and the like, and a control module for customizing the functions of the water system for the plant is customized according to the running mode, remote/local state, standby state, fault switching and other signals of the system equipment and according to the corresponding working conditions of one-running-two-standby, one-running-one-standby and one-maintenance and two-running-one-standby in different seasons. As shown in the modules of fig. 1, 2 and 3, the and, or, nor, SEL and TP modules are used inside the system to implement the switching function of the equipment under the operating conditions of one operation, two standby operation, one standby operation and one maintenance, and two operation and one standby operation, that is, when the operating equipment has a fault, the system operating pressure is abnormal, the switching operation of the equipment can be automatically implemented, and the state of the faulty equipment is automatically set to the maintenance position, and the system operating mode is automatically switched. The design process of the schematic diagram of the one-operation-one-standby-one-overhaul mode inside the QH1_1 module in FIG. 4 is as follows:
step 1: judging whether a system automatic control MODE flag variable AUTO _ MODE (1), a pump operation MODE flag variable XG61(2), a pump standby MODE flag variable XG63(3), a pump overhaul MODE flag variable XG65(4), a system pressure low interlocking flag variable YLD (5) and an operation pump operation state flag variable XG41(6) all meet 1, manually operating a reset button flag variable RES (17) to be 1 pulse to carry out module initialization, enabling the system to enter a one-operation one-standby one-overhaul automatic control MODE, and enabling a sequential control module to sequentially control available internal variables AM1 to be 1;
step 2: when the electrical fault flag variable AP6143(8) or the pressure low signal variable YLDK (7) meets 1, setting the sequence control STEP to 1 (namely, the STEP is equal to 1), when the sequence control STEP is 1, setting the pressure low interlock clear flag variable YLODO (19) to 1, clearing the pressure low interlock signal, and setting the sequence control available internal variable AM1 of the sequence control module to 0;
and step 3: if the 1# bus voltage loss flag variable MXSY1(9) is 0, setting the sequence control STEP to be 2 (namely, STEP is equal to 2), triggering the interlocking action of the backup pump and the valve by judging that the sequence control STEP is 2 (namely, STEP is equal to 2), setting the mark variable AA63XB22(18) of the closed backup valve to be 1, controlling the valve to close, and entering the STEP 4; if the 1# bus voltage loss flag variable MXSY1(9) is 1, setting the sequence control STEP to 22 (i.e., STEP is equal to 22), judging that the sequence control STEP is 22 (i.e., STEP is equal to 22), setting the running pump electrical appliance fault flag variable AP6143(8) to 1, setting the standby pump maintenance mode flag variable AP6365_ C (26) to 1, setting the standby pump maintenance mode, and entering into STEP 9;
and 4, step 4: when the standby valve closing state flag variable AA63XB02(10) is 1 and the STEP of the sequence control is judged to be 2, the STEP of the sequence control is set to 3 (that is, the STEP is equal to 3), and when the STEP of the sequence control is judged to be 3 (that is, the STEP is equal to 3), the output of the standby pump starting control flag variable AP63XB21(20) is 1, so as to start the standby pump;
and 5: when the forward control STEP is 3 and the standby pump switch state flag variable AP63XB15(11) and the standby pump running state flag variable AP6341(12) are both 1, setting the forward control STEP to 4 (i.e., STEP is 4), and when the forward control STEP is judged to be 4 (i.e., STEP is 4), outputting the standby valve switch control flag variable AA63XB21(21) to 1 to switch on the standby valve;
step 6: when the forward control STEP is 4 (i.e., STEP ═ 4) and the standby valve open state flag variable AA63XB01(13) is 1, the forward control STEP is set to 5 (i.e., STEP ═ 5). When the STEP of the sequential control procedure is judged to be 5 (namely, the STEP is 5), the output of a control mark variable AA61XB22(22) of the closed operation valve 1 is 1 so as to close the operation valve 1;
and 7: when the STEP of the forward control STEP is 5 (i.e., STEP ═ 5) and the running off state flag variable AA61XB02(14) is 1, the STEP of the forward control STEP is set to 6 (i.e., STEP ═ 6). When the forward control STEP sequence STEP is judged to be 6 (namely, the STEP is 6), the output of the shutdown pump control flag variable AP61XB22(23) is 1, so as to shutdown the pump;
and 8: when the STEP of the forward control STEP is 6 (i.e., STEP ═ 6) and the running pump switch state flag variable AP61XB15(15) is 0, the STEP of the forward control STEP is set to 7 (i.e., STEP ═ 7). When the sequence control STEP is judged to be 7 (namely, the STEP is 7), outputting a standby pump operation mode flag variable AP6361-C (24) and an operation pump maintenance mode flag variable AP6165_ C (25) to be 1, setting the standby pump to be an operation mode, and setting the operation pump to be a maintenance mode;
and step 9: when the STEP is judged to be 7 (i.e., STEP is 7) and the start completion flag variable QDWC (16) is 1, or the manual reset flag variable RES (17) is 1, the STEP is set to 0 (i.e., STEP is 0), and the sequence flow is ended.
The module can realize that system equipment is under one fortune one is equipped with one and overhauls the operating mode, when system equipment or system parameter appear unusually (surpass the normal scope of design operation promptly), can accomplish the start-up switching between different equipment in the very short time automatically, the automatic sign of equipment state, according to the automatic different operational mode of setting system of the state of equipment, accomplish the automatic high-efficient operation of unmanned on duty of system, very big reduction operating personnel's operation and judgement risk, the input of power plant operation supervision dish manpower has been reduced.
As shown in the module LH1_2 in fig. 2, standard modules such as and, or, nor, SEL, and TP are used for building the inside of the module, so as to implement a device alternate operation function under a one-operation-two-standby operation condition, i.e., periodically performing one-key alternate operation on devices operating in a system, ensuring that a single device is in an operation state for a long time, reducing the failure rate of the device, and automatically switching the operation state and the operation mode of the device. The schematic diagram design process of the one-running-two-standby mode inside the LH1_2 module in fig. 5 is as follows:
step 1: judging whether a system automatic control MODE flag variable AUTO _ MODE (1), a pump operation 1 MODE flag variable XG61(2), a pump 1 standby 1 MODE flag variable XG63(3), a pump 2 standby 2 MODE flag variable XG64(4), a system pressure low interlocking flag variable YLD (5) and an operation pump operation state flag variable XG41(6) all meet 1, manually operating a pulse with a reset button flag variable RES (23) of 1 to initialize a module, and enabling the system to enter a one-operation two-standby automatic control MODE;
step 2: when the start toggle control signal flag variable QDLH (7) is 1, the sequence STEP is set to 1 (i.e., STEP ═ 1). When the sequence control STEP is judged to be 1, setting an internal variable AM1 available for sequence control of a sequence control module to be 0, setting a pressure low interlock zero clearing flag variable YLD0(25) to be 1, and clearing a pressure low interlock signal;
and step 3: when the bus 1 voltage loss flag variable MXSY (8) is 0, setting the sequence control STEP to 2 (i.e., STEP is equal to 2), and when the sequence control STEP is judged to be 2 (i.e., STEP is equal to 2), setting the standby valve 1 closing flag variable AA63XB22(24) to 1, closing the standby valve 1, and entering STEP 4; when the busbar 1 no-voltage flag variable MXSY1(8) is 1 and the busbar 2 no-voltage flag variable MXSY2(9) is 0, setting the sequence control STEP to 22 (i.e., STEP is equal to 22), and when the sequence control STEP is determined to be 22 (i.e., STEP is equal to 2), setting the off-backup valve 2 flag variable AA64XB22(26) to 1, closing the backup valve 2, and entering STEP 10;
and 4, step 4: when the standby valve 1-off state flag variable AA63XB02(10) is 1 and the STEP of the sequence control is determined to be 2 (i.e., STEP ═ 2), setting the STEP of the sequence control to 3 (i.e., STEP ═ 3), and when the STEP of the sequence control is determined to be 3 (i.e., STEP ═ 3), setting the standby pump 1-on control flag variable AP63XB21(27) to 1, and starting the standby pump 1;
and 5: when both the backup pump 1 switch state flag variable AP63XB15(11) and the backup pump 1 operation state flag variable AP6341(12) are 1 and the STEP of the forward control STEP is judged to be 3 (i.e., STEP ═ 3), the STEP of the forward control STEP is set to 4 (i.e., STEP ═ 4). When the sequence control STEP is judged to be 4 (namely, the STEP is 4), setting the standby valve 1 opening control flag variable AA63XB21(28) to be 1, and controlling the standby valve 1 to be opened;
step 6: when the standby valve 1 open state flag variable AA63XB01(13) is 1 and the STEP sequence STEP is judged to be 4 (i.e., STEP ═ 4), the STEP sequence STEP is set to 5 (i.e., STEP ═ 5). When the STEP of the sequential control is judged to be 5 (namely, the STEP is 5), setting an operation valve closing control flag variable AA61XB22(29) to be 1, and controlling the operation valve to be closed;
and 7: when the operating valve off state flag variable AA61XB02(14) is 1 and the STEP-in-sequence STEP is judged to be 5 (i.e., STEP ═ 5), the STEP-in-sequence STEP is set to 6 (i.e., STEP ═ 6). When the sequential control STEP sequence is judged to be 6 (namely, the STEP is 6), setting an off-running pump control flag variable AP61XB22(30) to be 1, and controlling the running pump to be off;
and 8: when the running pump switch state flag variable AP61XB15(16) is 0 and the running pump off state flag variable AP61XG42(15) is 1, and the STEP of the forward control STEP is judged to be 6 (i.e., STEP ═ 6), the STEP of the forward control STEP is set to 7 (i.e., STEP ═ 7). When the sequence control STEP is judged to be 7 (that is, STEP is 7), setting the standby pump 2 standby 1-mode flag variable AP6463_ C (32), the standby pump 1 operation 1-mode flag variable AP6361_ C (31) and the operation pump standby 2-mode flag variable AP6164_ C (36) to be 1, that is, setting the standby pump 2 to be in a standby 1-mode state, setting the standby pump 1 to be in an operation 1-mode state, and setting the operation pump to be in a standby 2-mode state;
and step 9: when the start completion flag variable QDWC (22) is 1 and the sequence STEP is determined to be 7 (i.e., STEP ═ 7), the sequence flow ends.
Step 10: when the standby valve 2 off state flag variable AA64XB02(17) is 1 and the STEP-in-sequence STEP is judged to be 22 (i.e., STEP ═ 22), the STEP-in-sequence STEP is set to 23 (i.e., STEP ═ 23). When the STEP of the sequential control procedure is judged to be 23 (that is, the STEP is 23), the start control flag variable AP64XB21(33) of the backup pump 2 is set to 1, and the backup pump 2 is started;
step 11: when both the backup pump 2 switch state flag variable AP64XB15(18) and the backup pump 2 run state flag variable AP6441(19) are 1 and the STEP of the forward control STEP is determined to be 23 (i.e., STEP ═ 23), the STEP of the forward control STEP is set to 24 (i.e., STEP ═ 24). When the STEP of the sequence control is judged to be 24 (namely, the STEP is 24), setting an opening control flag variable AA64XB21(34) of the standby valve 2 to be 1, and controlling the standby valve 2 to be opened;
step 12: when the standby valve 2 open state flag variable AA64XB01(20) is 1 and the STEP-by-STEP is judged to be 24 (i.e., STEP ═ 24), the STEP-by-STEP is set to 25 (i.e., STEP ═ 25). When the STEP of the sequential control procedure is judged to be 25 (namely the STEP is 25), setting an operation valve closing control mark variable AA61XB22(29) to be 1, and controlling the operation valve to be closed;
step 13: when the operating valve off state flag variable AA61XB02(14) is 1 and the STEP-in-sequence STEP is judged to be 25 (i.e., STEP ═ 25), the STEP-in-sequence STEP is set to 26 (i.e., STEP ═ 26). When the STEP of the sequential control procedure is judged to be 26 (namely, the STEP is 26), setting an off-running pump control flag variable AP61XB22(30) to be 1, and controlling the running pump to be off;
step 14: when the running pump switch state flag variable AP61XB15(16) is 0 and the running pump off state flag variable AP61XG42(15) is 1, and the STEP of the forward control STEP is judged to be 26 (i.e., STEP ═ 26), the STEP of the forward control STEP is set to 27 (i.e., STEP ═ 27). When the sequence control STEP is judged to be 27 (that is, STEP is 27), setting the standby pump 2 to be set to the operation 1 mode flag variable AP6461_ C (35), the operation pump to be set to the standby 1 mode flag variable AP6163_ C (37) and the standby pump 1 to be set to the maintenance mode flag variable AP6365_ C (38) to be 1, that is, setting the standby pump 2 to be in the operation 1 mode state, operating the pump to be set to the standby 1 mode state and setting the standby pump 1 to be in the maintenance mode state;
step 15: when the start completion flag variable QDWC (22) and the backup pump 1 remote/local state flag variable AP63XB03(21) are both 1 and the sequence STEP is determined to be 27 (i.e., STEP is 27), the sequence STEP is set to 0 (i.e., STEP is 0) and the sequence ends.
The module can realize that system's equipment is under one fortune two is equipped with the operating mode, regularly to the equipment key of system operation change operation in turn, avoid single equipment to be in long-time running state, reduce the equipment fault rate, promote the stability of system operation, can accomplish the start-up switching between different equipment automatically in the time of the utmost point weak point, the automatic sign of equipment state, according to the automatic different operational mode of system that sets up of the state of equipment, accomplish the automatic high-efficient operation of system's key switching, very big reduction operating personnel's operation and judgement risk, power plant operation personnel's operating procedure has been simplified, avoid the occurence of failure that the people leads to because of the error.
As shown in the module of fig. 3, the internal standard modules such as and, or, not, SEL, TP are used for realizing the equipment switching operation function under the condition of bus voltage loss under the two-operation one-standby operation working condition, namely, when the power supply bus corresponding to the system operation equipment is in voltage loss, the operation is automatically switched to the normal standby equipment, and the operation state of the system equipment is changed, and the corresponding control signals are judged and output through the internal logic of the special module by connecting the relevant state signals, the mode flag quantity signals and the control signal interfaces of the controlled equipment of the system to the corresponding special module, so as to realize the sequential control requirements of different seasonal working conditions. The design process of the schematic diagram of the two-in-one standby mode inside the SY2_1 module shown in FIG. 6 is as follows:
step 1: judging whether a system automatic control MODE flag variable AUTO _ MODE (1), a pump 1 operation 1 MODE flag variable XG61(2), a pump 2 operation 2 MODE flag variable XG62(3), a pump standby MODE flag variable XG63(4), a system pressure low interlocking flag variable YLD (5), an operation state flag variable AP6141(6) of the operation pump 1 and an operation state flag variable AP6241(7) of the operation pump 2 all meet 1, manually operating a reset button flag variable RES (14) to be 1 pulse, carrying out module initialization, enabling the system to enter a two-operation one-standby automatic control MODE, and setting a sequence control available internal variable AM1 to be 1;
step 2: when the bus bar voltage loss flag variable MXSY (8) is 1 and the forward control available internal variable AM1 is determined to be 1 (i.e., AM1 ═ 1), the forward control STEP is set to 1 (i.e., STEP ═ 1). When the STEP of the sequence control is judged to be 1 (namely the STEP is equal to 1), clearing the pressure low interlocking signal and the sequence control available internal variable AM1, setting the pressure low interlocking clear flag variable YLD0(17) and the standby valve closing control identification variable AA63XB22(16) to be 1, and controlling to close the standby valve;
and step 3: when the backup valve off state flag variable AA63XB02(9) is 1 and the STEP of the sequencing-available internal variable is judged to be 1 (i.e., STEP ═ 1), the sequencing-STEP is set to 2 (i.e., STEP ═ 2). When the STEP of the sequential control procedure is judged to be 2 (namely, the STEP is 2), setting a standby pump starting control flag variable AP63XB21(18) to be 1, and controlling the standby pump to start;
and 4, step 4: when the backup pump switch state flag variable AP63XB15(10) is 1 and the STEP sequence STEP is determined to be 2 (i.e., STEP ═ 2), the STEP sequence STEP is set to 3 (i.e., STEP ═ 3). When the sequence control STEP is judged to be 3 (namely STEP is equal to 3), setting a standby valve opening control flag variable AA63XB21(19) to be 1, and controlling the standby valve to be opened;
and 5: when the standby valve open state flag variable AA63XB01(11) is 1 and the STEP sequence STEP is determined to be 3 (i.e., STEP ═ 3), the STEP sequence STEP is set to 4 (i.e., STEP ═ 4). When the STEP of the sequential control procedure is judged to be 4 (namely, the STEP is 4), setting a control mark variable AP61XB22(20) of the stop operation pump 1 to be 1, and stopping the operation of the stop operation pump 1;
step 6: when the operating pump 1 switch state flag variable AP61XB15(12) and the operating pump 1 operating state flag variable AP6141(6) are both 0, and the operating pump 2 operating state flag variable AP6241(7) and the backup pump operating state flag variable AP6341(15) are both 1, and the STEP of the sequence control is determined to be 4 (i.e., STEP is 4), the STEP of the sequence control is set to 5 (i.e., STEP is 5). When the sequence control STEP is judged to be 5 (that is, STEP is 5), setting a standby pump operation 1 mode flag variable AP6361_ C (21) and an operation pump 1 maintenance mode flag variable AP6365_ C (22) as 1, setting the standby pump operation 1 mode, and setting the operation pump 1 maintenance mode;
and 7: when the start completion flag variable QDWC (13) is 1 and the sequence STEP is determined to be 5 (i.e., STEP ═ 5), the sequence STEP is set to 0 (i.e., STEP ═ 0), and the sequence flow ends.
The module can realize that system equipment is under two fortune one and is equipped with the operating mode, when the power supply bus that system equipment corresponds when the generating line decompression appears, under the condition that power plant's operator can't directly perceivedly judge corresponding generating line decompression, can accomplish the start-up switching between different equipment in the time of the utmost point weak point, carry out the automatic sign to the equipment state, the automatic operational mode who sets up system place according to the sign state of equipment, make the system keep steady operation under the condition of generating line decompression, accomplish the automatic high-efficient operation of unmanned on duty of system, very big reduction operating personnel's operation and judgement risk, the input of power plant operation supervision dish manpower has been reduced.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (4)

1. The control method for the water system of the high-temperature gas cooled reactor plant based on the MACS6 platform is characterized by comprising the following steps: the method comprises switching a module QH1_1 between a first-in-one-standby maintenance mode, a module LH1_2 between a second-in-one-standby mode and a module SY2_1 between the first-in-one-standby mode, and is characterized in that: the three modes adopt specific function modules comprising an AND/OR/NOT gate, an SEL assignment selection component, a TP step component and the like to realize the equipment switching function of one-operation one-standby one-overhaul, one-operation two-standby and two-operation one-standby operation working conditions, namely when the operation equipment has a fault or/and the system operation pressure is abnormal, the equipment switching operation can be automatically realized, the state of the fault equipment is automatically set at the overhaul position, and the system operation mode is automatically switched.
2. The control method for the water system of the high-temperature gas-cooled reactor plant based on the MACS6 platform according to claim 1, wherein the control method comprises the following steps: the switching module QH1-1 one-operation one-standby one-maintenance mode is realized by adopting the following steps:
step 1: judging whether a system automatic control MODE flag variable AUTO _ MODE (1), a pump operation MODE flag variable XG61(2), a pump standby MODE flag variable XG63(3), a pump overhaul MODE flag variable XG65(4), a system pressure low interlocking flag variable YLD (5) and an operation pump operation state flag variable XG41(6) all meet 1, manually operating a reset button flag variable RES (17) to be 1 pulse, carrying out module initialization, and enabling the system to enter a one-operation one-standby one-overhaul MODE;
step 2: when the electrical fault flag variable AP6143(8) or the pressure low signal variable YLDK (7) is 1, setting the pressure low interlocking clear flag variable YLD0(19) to 1, and clearing the pressure low interlocking signal;
and step 3: if the No. 1 bus voltage loss mark variable MXSY1(9) is 0, triggering the interlocking action of the standby pump and the valve, setting the mark variable AA63XB22(18) of the closed standby valve to be 1, controlling the valve to be closed, and entering the step 4; if the 1# bus voltage loss mark variable MXSY1(9) and the electrical fault mark variable AP6143(8) are 1, setting the standby pump maintenance mode mark variable AP6365_ C (26) to be 1, setting the standby pump to be in a maintenance mode, and entering the step 9;
and 4, step 4: when the standby valve off state flag variable AA63XB02(10) is 1, the output of the standby pump starting control flag variable AP63XB21(20) is 1 so as to start the standby pump;
and 5: when the standby pump switch state flag variable AP63XB15(11) and the standby pump running state flag variable AP6341(12) are both 1, the output of the standby valve switch control flag variable AA63XB21(21) is 1 to open the standby valve;
step 6: when the standby valve open state flag variable AA63XB01(13) is 1, the output of the off-running valve control flag variable AA61XB22(22) is 1 to close the running valve;
and 7: when the run valve off state flag variable AA61XB02(14) is 1, the shutdown pump control flag variable AP61XB22(23) output is 1 to shutdown the pump;
and 8: when the running pump switch state flag variable AP61XB15(15) is 0, outputting a standby pump running mode flag variable AP6361_ C (24) and a running pump maintenance mode flag variable AP6165_ C (25) as 1, setting the standby pump as a running mode, and setting the running pump as a maintenance mode;
and step 9: when the start completion flag variable QDWC (16) is 1, the sequence flow ends.
3. The control method for the water system of the high-temperature gas-cooled reactor plant based on the MACS6 platform according to claim 1, wherein the control method comprises the following steps: the module SY2_1 is implemented by adopting the following steps:
step 1: judging whether a system automatic control MODE flag variable AUTO _ MODE (1), a pump 1 operation 1 MODE flag variable XG61(2), a pump 2 operation 2 MODE flag variable XG62(3), a pump standby MODE flag variable XG63(4), a system pressure low interlocking flag variable YLD (5), an operation state flag variable AP6141(6) of the operation pump 1 and an operation state flag variable AP6241(7) of the operation pump 2 meet 1, manually operating a reset button flag variable RES (14) to be 1 pulse, carrying out module initialization, and enabling the system to enter a two-operation one-standby automatic control MODE;
step 2: when the bus voltage loss flag variable MXSY (8) is 1, setting the pressure low interlocking clear flag variable YLD0(17) and the standby valve closing control flag variable AA63XB22(16) to be 1, clearing the pressure low interlocking signal and controlling to close the standby valve;
and step 3: when the standby valve off state flag variable AA63XB02(9) is 1, setting the standby pump starting control flag variable AP63XB21(18) to 1, and controlling the standby pump to start;
and 4, step 4: when the standby pump switch state flag variable AP63XB15(10) is 1, setting the standby valve opening control flag variable AA63XB21(19) to 1, and controlling the standby valve to be opened;
and 5: when the standby valve open state flag variable AA63XB01(11) is 1, setting the control flag variable AP61XB22(20) of the stop operation pump 1 to 1, and stopping the operation of the stop operation pump 1;
step 6: when the operating pump 1 switch state flag variable AP61XB15(12) and the operating pump 1 operating state flag variable AP6141(6) are both 0, and the operating pump 2 operating state flag variable AP6241(7) and the standby pump operating state flag variable AP6341(15) are both 1, setting the standby pump to operate 1 mode flag variable AP6361_ C (21) and the operating pump 1 maintenance mode flag variable AP6365_ C (22) to 1, setting the standby pump to operate 1 mode, and setting the operating pump 1 to maintenance mode;
and 7: when the start completion flag variable QDWC (13) is 1, the sequence flow ends.
4. The control method for the water system of the high-temperature gas-cooled reactor plant based on the MACS6 platform according to claim 1, wherein the control method comprises the following steps: the module LH1_2 one-operation-two-standby mode is realized by adopting the following steps:
step 1: judging whether a system automatic control MODE flag variable AUTO _ MODE (1), a pump operation 1 MODE flag variable XG61(2), a pump 1 standby 1 MODE flag variable XG63(3), a pump 2 standby 2 MODE flag variable XG64(4), a system pressure low interlocking flag variable YLD (5) and an operation pump operation state flag variable XG41(6) all meet 1, manually operating a pulse with a reset button flag variable RES (23) of 1 to initialize a module, and enabling the system to enter a one-operation two-standby automatic control MODE;
step 2: when the start rotation control signal flag variable QDLH (7) is 1, the pressure low interlock zero clearing flag variable YLD0(25) is set to 1, and the pressure low interlock signal is cleared;
and step 3: when the busbar 1 no-voltage mark variable MXSY (8) is 0, setting the mark variable AA63XB22(24) for closing the standby valve 1 to be 1, closing the standby valve 1, and entering the step 4; when the busbar 1 no-voltage marking variable MXSY1(8) is 1 and the busbar 2 no-voltage marking variable MXSY2(9) is 0, setting the mark variable AA64XB22(26) of the closed standby valve 2 to 1, closing the standby valve 2, and entering the step 10;
and 4, step 4: when the off-state flag variable AA63XB02(10) of the backup valve 1 is 1, setting the startup control flag variable AP63XB21(27) of the backup pump 1 to 1, and starting the backup pump 1;
and 5: when the standby pump 1 switch state flag variable AP63XB15(11) and the standby pump 1 running state flag variable AP6341(12) are both 1, setting the standby valve 1 switch control flag variable AA63XB21(28) to 1, and controlling the standby valve 1 to be switched on;
step 6: when the standby valve 1 is in the opening state flag variable AA63XB01(13) is 1, setting the operating valve closing control flag variable AA61XB22(29) to be 1, and controlling the operating valve to be closed;
and 7: when the running valve off state flag variable AA61XB02(14) is 1, setting the shutdown pump control flag variable AP61XB22(30) to 1, and controlling the running pump to be shutdown;
and 8: when the operating pump switch state flag variable AP61XB15(16) is 0 and the operating pump shutdown state flag variable AP61XG42(15) is 1, setting the standby pump 2 to the standby 1-mode flag variable AP6463_ C (32), the standby pump 1 to the operating 1-mode flag variable AP6361_ C (31), and the operating pump to the standby 2-mode flag variable AP6164_ C (36) to 1, that is, setting the standby pump 2 to the standby 1-mode state, setting the standby pump 1 to the operating 1-mode state, and setting the operating pump to the standby 2-mode state;
and step 9: when the start completion flag variable QDWC (22) is 1, the sequence control flow is ended;
step 10: when the off-state flag variable AA64XB02(17) of the standby valve 2 is 1, setting the starting control flag variable AP64XB21(33) of the standby pump 2 to 1, and starting the standby pump 2;
step 11: when the standby pump 2 switch state flag variable AP64XB15(18) and the standby pump 2 running state flag variable AP6441(19) are both 1, setting the standby valve 2 switch control flag variable AA64XB21(34) to 1, and controlling the standby valve 2 to switch on;
step 12: when the standby valve 2 is in the opening state flag variable AA64XB01(20) is 1, setting the operating valve closing control flag variable AA61XB22(29) to be 1, and controlling the operating valve to be closed;
step 13: when the running valve off state flag variable AA61XB02(14) is 1, setting the shutdown pump control flag variable AP61XB22(30) to 1, and controlling the running pump to be shutdown;
step 14: when the operating pump switch state flag variable AP61XB15(16) is 0 and the operating pump shutdown state flag variable AP61XG42(15) is 1, setting the standby pump 2 to the operating 1 mode flag variable AP6461_ C (35), the operating pump to the standby 1 mode flag variable AP6163_ C (37), and the standby pump 1 to the maintenance mode flag variable AP6365_ C (38) to 1, that is, setting the standby pump 2 to the operating 1 mode state, operating the pump to the standby 1 mode state, and setting the standby pump 1 to the maintenance mode state;
step 15: the sequence ends when both the startup complete flag variable QDWC (22) and the backup pump 1 remote/local status flag variable AP63XB03(21) are 1.
CN202110798058.5A 2021-07-15 2021-07-15 Control method for high-temperature gas cooled reactor plant water system based on MACS6 platform Active CN113488211B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110798058.5A CN113488211B (en) 2021-07-15 2021-07-15 Control method for high-temperature gas cooled reactor plant water system based on MACS6 platform

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110798058.5A CN113488211B (en) 2021-07-15 2021-07-15 Control method for high-temperature gas cooled reactor plant water system based on MACS6 platform

Publications (2)

Publication Number Publication Date
CN113488211A true CN113488211A (en) 2021-10-08
CN113488211B CN113488211B (en) 2022-09-27

Family

ID=77939537

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110798058.5A Active CN113488211B (en) 2021-07-15 2021-07-15 Control method for high-temperature gas cooled reactor plant water system based on MACS6 platform

Country Status (1)

Country Link
CN (1) CN113488211B (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080084171A1 (en) * 2006-10-06 2008-04-10 Jonathan Robert Leehey Method and apparatus for controlling motors of different types
US20120124255A1 (en) * 2010-11-12 2012-05-17 Invensys Systems Inc. Priority Logic Module
CN103460298A (en) * 2010-12-20 2013-12-18 西屋电气有限责任公司 Nuclear reactor automatic depressurization system
CN105448356A (en) * 2015-11-18 2016-03-30 深圳中广核工程设计有限公司 Equipment cooling water system for passive safe pressurized water reactor of nuclear power plant
CN106409360A (en) * 2016-09-27 2017-02-15 中广核研究院有限公司 Method used for achieving nuclear power plant overpressure protection functions
CN107408415A (en) * 2014-11-11 2017-11-28 阿克米-工程股份公司 For the method to refrigerant injection gas and control system and nuclear reactor facility

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080084171A1 (en) * 2006-10-06 2008-04-10 Jonathan Robert Leehey Method and apparatus for controlling motors of different types
US20120124255A1 (en) * 2010-11-12 2012-05-17 Invensys Systems Inc. Priority Logic Module
CN103460298A (en) * 2010-12-20 2013-12-18 西屋电气有限责任公司 Nuclear reactor automatic depressurization system
CN107408415A (en) * 2014-11-11 2017-11-28 阿克米-工程股份公司 For the method to refrigerant injection gas and control system and nuclear reactor facility
CN105448356A (en) * 2015-11-18 2016-03-30 深圳中广核工程设计有限公司 Equipment cooling water system for passive safe pressurized water reactor of nuclear power plant
CN106409360A (en) * 2016-09-27 2017-02-15 中广核研究院有限公司 Method used for achieving nuclear power plant overpressure protection functions

Also Published As

Publication number Publication date
CN113488211B (en) 2022-09-27

Similar Documents

Publication Publication Date Title
CN111140515B (en) Fault switching method for main circulating pump of cooling system of flexible direct-current power transmission converter valve
CN214204284U (en) Multi-energy hybrid power station system suitable for multiple application scenes
CN106685271A (en) Running state control method of brushless double-fed motor
CN103762715A (en) Parallel operation and load switching control method of 10kV generator set
CN112366680A (en) Self-recovery method for loss of power of whole plant of station service under weak power grid without external power supply
CN108879771B (en) Control system and control method for emergency diesel generator set of offshore wind farm
CN111553554A (en) Regional spare power automatic switching control system and operation risk management and control method thereof
CN113488211B (en) Control method for high-temperature gas cooled reactor plant water system based on MACS6 platform
CN111404259B (en) Security section power supply system of generator set and switching method thereof
CN206790126U (en) A kind of power plant low pressure annular station service and haul oneself willingly into control system
CN208110360U (en) A kind of pumping plant tele-control system
CN116608083A (en) Automatic operation flow of hydroelectric generating set from cold standby to overhauling and draining to volute and tail horizontal pressure monitoring system
CN116388374A (en) Method and equipment for quickly starting electric field scene emergency power supply suitable for unattended operation
CN113839548B (en) Method and controller for controlling start-up and shutdown of converter valve group
CN107944570B (en) Automatic processing method and device for intelligent substation sequential control atypical state
CN105244906A (en) Standby state control method, device and system for wind driven generator converter
CN202306269U (en) Remote monitoring system of small-sized hydropower station based on MODIBUS bus protocol
CN102403783B (en) Method for automatically switching in microcomputer control standby power supply of expanded inner bridge connection line
CN105756986B (en) Fan control method for glass factory
CN113937766A (en) Multi-level networking load control method, system and interactive terminal
CN204945782U (en) Power station drainage for overhaul intelligent control system
CN106571738B (en) A kind of current transformer start-up and shut-down control device and control method
Xiong et al. Study on Application of One Key Sequence Control in 750 kV Substation
CN217445075U (en) Boiler emergency feed pump power distribution system
CN213937532U (en) Intelligent standby power supply system for hydropower station dam

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant