WO2010075694A1 - Power plant feed line switch control module for a nuclear power station - Google Patents
Power plant feed line switch control module for a nuclear power station Download PDFInfo
- Publication number
- WO2010075694A1 WO2010075694A1 PCT/CN2009/073449 CN2009073449W WO2010075694A1 WO 2010075694 A1 WO2010075694 A1 WO 2010075694A1 CN 2009073449 W CN2009073449 W CN 2009073449W WO 2010075694 A1 WO2010075694 A1 WO 2010075694A1
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- WIPO (PCT)
- Prior art keywords
- signal
- logic unit
- feeder
- input
- switch
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Classifications
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- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21D—NUCLEAR POWER PLANT
- G21D3/00—Control of nuclear power plant
- G21D3/008—Man-machine interface, e.g. control room layout
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00006—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02B90/20—Smart grids as enabling technology in buildings sector
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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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
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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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/12—Energy storage units, uninterruptible power supply [UPS] systems or standby or emergency generators, e.g. in the last power distribution stages
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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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
Definitions
- the utility model relates to a feeder switch control module of a nuclear power plant power plant, which is suitable for a feeder line switching device control module in a power system, in particular to a power feeder switch control of a 6.6 kV power plant power system for a nuclear power plant. It belongs to the field of electrical equipment technology.
- the reliability of the 6.6kV feeder switch control is critical to the safe operation of the 6.6kV power plant, the 380V plant power system and the nuclear power plant, and is more related to the safe operation of the nuclear island.
- the prior art 6.6kV transformer switch control is completed by a relay control device installed in the switch cabinet, including an intermediate relay, a protection current relay and a voltage relay, and an intermediate relay mounted on the relay frame, installed in the control room. Control switches and measuring instruments and connecting cables to control, interlock, measure and monitor alarms. There are defects in complicated wiring, poor reliability, difficult maintenance, high efficiency, and a large number of maintenance personnel to increase their operating costs.
- the purpose of the utility model is to solve the defects of the prior art nuclear power plant 6.6 kV feeder switch control circuit with poor reliability reliability, maintenance difficulty, high efficiency, large number of maintenance personnel, and high operating cost.
- Nuclear power plant power feeder switch control module The purpose of the utility model is to solve the defects of the prior art nuclear power plant 6.6 kV feeder switch control circuit with poor reliability reliability, maintenance difficulty, high efficiency, large number of maintenance personnel, and high operating cost.
- Nuclear power plant feeder switch control module its structural features are: consists of input command processing logic unit, fault processing logic unit, state processing logic unit, output command generation logic unit and feeder switch cabinet; input three input terminals of instruction processing logic unit The fault signal, the blocking signal and the operator station man-machine interface signal of the feeder switch cabinet are respectively connected, and the two output ends are respectively connected with the fault processing logic unit and one input terminal of the output command generation logic unit; two inputs of the fault processing logic unit The terminals are respectively connected to an output end of the state processing logic unit and the output instruction generating logic unit, and the two output ends are respectively connected to one input end of the output instruction generating logic unit and the man-machine interface alarm end; the input end of the state processing logic unit is connected to the feeding line Switch position status feedback signal, one output terminal connected to the display unit An output terminal of the output command generation logic unit is connected to the signal terminal of the feeder switch cabinet control command.
- An embodiment of the present invention is: the input instruction processing logic unit is connected by the AND gate chip IC1 ⁇ IC3, or the gate chip II; the fault processing logic unit is composed of the AND gate chip IC4 ⁇ IC5, or the gate chip 12, R/ S flip-flops Q1 Q Q2, delay chip T1 T T2 are connected; state processing logic unit is connected by gate chip IC6 ⁇ IC7, or gate chip I3 ⁇ I4; output instruction generation logic unit is made by AND chip I C8, or the gate chip 15 is connected; the fault signal of the feeder switch cabinet is respectively connected with an input terminal of the gate chip IC1 and an input terminal of the gate chip II, and an output terminal of the output terminal of the IC1 is connected to the output terminal of the II, the output terminal of the II Connect one input of 15 respectively, one input of IC8 and one input of 12, the blocking signals are respectively connected to one input of IC3, IC4, IC5 and IC8, and the operator station interface signals are respectively connected to IC2, IC3 and IC8 One input terminal; several feeder switch position
- the fault signal of the feeder switch cabinet may include a feeder overload protection action signal, a feeder 6KV high voltage fuse trip signal, a feeder 6KV cable zero sequence protection action signal, and a trip connection piece.
- the signal is blocked; the blocking signal may include turning on the OPEN signal, turning off the CLOSE signal; the operator station man-machine interface signal may include a remote/It control switch at the remote position signal, selecting the DC S control signal.
- the feeder switch position state feedback signal may include a feeder 6KV switch closing signal, a feeder 6KV switch at a working position signal, a feeder 6KV switch test switch at a test position signal, a feeder 6KV switch The opening signal, the feeder 6KV switch in the test position signal, the feeder 6K V switch test switch in the normal position signal.
- An embodiment of the present invention is:
- the feeder switch cabinet control command signal end includes a trip signal and a close signal.
- the utility model is especially suitable for the 6.6kV feeder switch control, and uses the unified distributed control system DCS of the unit to realize the control of the 6.6kV feeder switch and the unit control system sharing operator station, overall monitoring, It has the effect of improving the reliability of the unit operation.
- the utility model can greatly improve the automation level of the unit, reduce the setting of the operation and maintenance personnel, and achieve the purpose of reducing staff and increasing efficiency, thus having the effect of reducing the use and maintenance cost.
- Figure 1 is a logic block diagram of the present invention.
- FIG. 2 is a circuit schematic diagram of a specific embodiment of the present invention.
- FIG. 3 is a working flow chart of the present invention.
- the embodiment is composed of an input instruction processing logic unit 1, a fault processing logic unit 2, a state processing logic unit 3, an output instruction generation logic unit 4, and a feeder switch cabinet; the input instruction processing logic unit 1
- the three input terminals are respectively connected to the fault signal 1-1 of the feeder switch cabinet, the blocking signal 1-2 and the operator station man-machine interface signal 1-3, and the two outputs are respectively connected to the fault processing logic unit 2 and the output command generation
- two input ends of the fault processing logic unit 2 are respectively connected to an output terminal of the state processing logic unit 3 and the output instruction generation logic unit 4, and the two output ends thereof are respectively connected to the output instruction generation logic unit 4
- An input terminal and a human-machine interface alarm terminal 2-1; an input terminal of the state processing logic unit 3 is connected to the feeder switch position state feedback signal 3-1, and an output terminal is connected to the human-machine interface display terminal 3-2;
- An output of the generating logic unit 4 is connected to the feeder switch cabinet control command signal terminal 4-1.
- the input instruction processing logic unit 1 is connected by the AND gate chips IC1 to IC3 or the gate chip II;
- the fault processing logic unit 2 is composed of the AND gate chips IC4 to IC5, or the gate chip 12, R/S.
- the flip-flops Q1 Q Q2 and the delay chip T1 T T2 are connected;
- the state processing logic unit 3 is connected by the AND gate chips IC6 to IC7 or the gate chips 13 to 14;
- the output instruction generation logic unit 4 is composed of the AND gate chip.
- the IC8 or the gate chip 15 is connected; the fault signal 1-1 of the feeder switch cabinet is respectively connected to one input end of the gate chip IC1 and the input end of the OR gate chip II, and the output end of the IC1 is connected to one input end of the terminal 15, II
- the output terminals are respectively connected to one input terminal of 15, one input terminal of IC8 and one input terminal of 12, and the blocking signal 1-2 is respectively connected to one input terminal of IC3, IC4, IC5 and IC8, and the operator station man-machine interface signal 1-3 are connected to one input of IC2, IC3 and IC8 respectively;
- several feeder switch position status feedback signals 3-1 are respectively connected to 13, 14 and IC6, IC Input terminals of 7; 15 and IC8 are connected to the feeder switchgear control command signal terminal 4-1; Ql, Q2 and 12 are connected to the HMI alarm terminal 2-1; IC6 and 14 outputs are connected to the HMI The interface displays end 3-2.
- the fault signal 1-1 of the feeder switchgear can include the feeder overload protection action signal 1-1-1, the feeder 6KV high voltage fuse trip signal 1-1-2, and the feeder 6KV cable zero sequence protection action signal 1- 1-3, tripping the connecting piece to output signal 1-1-4; blocking signal 1-2 may include opening OPEN signal 1-2-1, closing CLOSE signal 1- 2-2; operator station man-machine interface signal 1- 3 may include a remote/local control switch at the remote position signal 1-3-1, selecting the DCS control signal 1-3-2.
- the feeder switch position status feedback signal 3-1 may include the feeder 6KV switch closing signal 3-1-1, the feeder line 6KV switch at the working position signal 3-1-2, the feeder line 6KV switch test switch at the test position signal 3-1- 3. Feeder 6KV switch trip signal 3-1-4, feeder 6KV switch in test position signal 3-1-5, feeder 6KV switch test switch in normal position signal 3-1-6.
- the feeder switchgear control command signal terminal 4-1 includes the trip signal 4-1-1 and the closing signal 4-1-2.
- the fault signal is output by the alarm, and is sent to the man-machine interface through the fault processing logic element to alarm, reset or handle the fault;
- the circuit breaker position status feedback signal is input to the man-machine interface via the DCS signal input route port.
- the control and monitoring of the feeders are performed by the operator at the operator station of the DCS, including the remote closing and tripping operations of the 6.6kV circuit breaker at the DCS operator station, and
- the microcomputer-type integrated protection device installed in the switch cabinet detects the switch of the switch and its position state feedback signal after the failure of the electrical circuit, the alarm signal of the mechanical failure in the switch cabinet, and the electrical data obtained through the transformer installed in the switch cabinet. Measurement signals, etc., these signals are sent to the DCS control module through the cable, the control module performs logic processing according to the operation requirements, and then issues a jump/close command and gives corresponding normal signals and alarm signals.
- the signal input route port of the human machine interface is connected to the fault processing logic unit 2 to output the route port.
- the signal path input port of the fault processing logic unit 2 is connected to the signal output route port of the state processing logic unit 3, the input command processing logic unit 1, and the output command generation logic unit 4.
- Input The signal input route port of the instruction processing logic unit 1 and the state processing logic unit 3 is connected to the control signal output route port of the field device.
- the function of the input instruction logic processing unit 1 is to receive an external signal, detect the input signal and judge the feasibility of its logic, provide corresponding processing results for the output instruction and the fault handling component, and together with the operation instruction of the DCS operation interface Connected to the output port. Its signal input port is connected to the feeder switchgear and other equipment associated with the feeder switch control interlock or alarm signal.
- the function of the output command generation logic unit 4 is output to the feeder circuit breaker control loop based on the result of the input instruction logic processing component determining the logical feasibility.
- the function of the state processing logic unit 3 is to receive the status of the feeder circuit breaker for processing and to send to the man-machine interface and fault handling logic.
- the function of the fault processing logic unit 2 is to process the logic error signal judged by the input instruction logic processing element with other fault signals and output it to the display unit for alarm, reset or other processing.
- the feeder switch is an operation circuit breaker for the feeder power supply. It is installed in the switch cabinet and connected to the 6.6kV bus to supply power to the feeder.
- the utility model is applicable to the control of the feeder switch for the rolling plant of the nuclear power plant according to the specific embodiment, and can also be widely used for the switching control of other high and rolling feeders, and the applicable scope is not subject to the foregoing specific implementation.
- the example of the rolling plant is limited by the 6.6kV feeder switch control.
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- Engineering & Computer Science (AREA)
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- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Safety Devices In Control Systems (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
A power plant feed line switch control module for a nuclear power station consisted of an input instruction processing logic unit (1), a fault processing logic unit (2), a state processing logic unit (3), an output instruction producing logic unit (4), and a feed line switchgear. Three input ends of the input instruction processing logic unit (1) are respectively connected to a feed line switchgear fault signal (1-1), a lock signal (1-2) and an operator station human-machine interface signal (1-3), and its two output ends are respectively connected to an input end of the fault processing logic unit (2) and the output instruction producing logic unit (4). Two input ends of the fault processing logic unit (2) are respectively connected to an output end of the state processing logic unit (3) and the output instruction producing logic unit (4), and its two output ends are respectively connected to an input end of the output instruction producing logic unit (4) and an alarm end (2-1) of the human-machine interface. An input end of the state processing logic unit (3) is connected to a feed line switch position state feedback signal (3-1), and its output end is connected to a human-machine interface display end (3-2). An output end of the output instruction producing logic unit (4) is connected to a feed line switchgear control instruction signal end (4-1).
Description
说明书 核电站电厂馈线幵关控制模块 Manual Nuclear power plant feeder line control module
[1] 技术领域 [1] Technical field
[2] 本实用新型涉及一种核电站电厂馈线开关控制模块, 适用于用电***中馈线开 关设备控制模块, 特别是适用于核电站的 6.6kV电厂用电***电源馈线开关控制 。 属于电气设备技术领域。 [2] The utility model relates to a feeder switch control module of a nuclear power plant power plant, which is suitable for a feeder line switching device control module in a power system, in particular to a power feeder switch control of a 6.6 kV power plant power system for a nuclear power plant. It belongs to the field of electrical equipment technology.
[3] 背景技术 [3] Background Art
[4] 在核电厂中, 6.6kV馈线开关控制的可靠性对 6.6kV电厂用电***、 380V厂用 电***及核电厂机组安全运行至关重要, 更关系到核岛的安全运行。 现有的技 术的 6.6kV变压器开关控制是由设置于开关柜内的继电器控制装置完成, 包括中 间继电器、 保护用电流继电器和电压继电器, 以及装于继电器架的转接中间继 电器、 装于控制室的控制开关和测量仪表和连接电缆来实现开关的控制、 联锁 、 测量和监视报警。 存在接线复杂、 可靠性能差、 维护困难、 效率氐、 投入的 维护人员较多从而增加其运营成本的缺陷。 [4] In nuclear power plants, the reliability of the 6.6kV feeder switch control is critical to the safe operation of the 6.6kV power plant, the 380V plant power system and the nuclear power plant, and is more related to the safe operation of the nuclear island. The prior art 6.6kV transformer switch control is completed by a relay control device installed in the switch cabinet, including an intermediate relay, a protection current relay and a voltage relay, and an intermediate relay mounted on the relay frame, installed in the control room. Control switches and measuring instruments and connecting cables to control, interlock, measure and monitor alarms. There are defects in complicated wiring, poor reliability, difficult maintenance, high efficiency, and a large number of maintenance personnel to increase their operating costs.
[5] 实用新型内容 [5] Utility model content
[6] 本实用新型的目的, 是为了解决现有技术的核电站 6.6kV馈线开关控制的回路 可靠性能差、 维护困难、 效率氐、 投入的维护人员较多、 运营成本高的缺陷, 提供一种核电站电厂馈线开关控制模块。 [6] The purpose of the utility model is to solve the defects of the prior art nuclear power plant 6.6 kV feeder switch control circuit with poor reliability reliability, maintenance difficulty, high efficiency, large number of maintenance personnel, and high operating cost. Nuclear power plant power feeder switch control module.
[7] 本实用新型的目的可以通过釆取如下技术方案达到: [7] The purpose of the utility model can be achieved by taking the following technical solutions:
核电站电厂馈线开关控制模块, 其结构特点是: 由输入指令处理逻辑单元、 故 障处理逻辑单元、 状态处理逻辑单元、 输出指令生成逻辑单元和馈线开关柜组 成; 输入指令处理逻辑单元的三个输入端分别连接馈线开关柜的故障信号、 闭 锁信号和操作员站人机界面信号, 其二个输出端分别连接故障处理逻辑单元和 输出指令生成逻辑单元的一个输入端; 故障处理逻辑单元的二个输入端分别连 接状态处理逻辑单元和输出指令生成逻辑单元的一个输出端, 其二个输出端分 别连接输出指令生成逻辑单元的一个输入端和人机界面报警端; 状态处理逻辑 单元的输入端连接馈线开关位置状态反馈信号、一个输出端连接人机界面显示
端; 输出指令生成逻辑单元的一个输出端连接馈线开关柜控制指令信号端。 Nuclear power plant feeder switch control module, its structural features are: consists of input command processing logic unit, fault processing logic unit, state processing logic unit, output command generation logic unit and feeder switch cabinet; input three input terminals of instruction processing logic unit The fault signal, the blocking signal and the operator station man-machine interface signal of the feeder switch cabinet are respectively connected, and the two output ends are respectively connected with the fault processing logic unit and one input terminal of the output command generation logic unit; two inputs of the fault processing logic unit The terminals are respectively connected to an output end of the state processing logic unit and the output instruction generating logic unit, and the two output ends are respectively connected to one input end of the output instruction generating logic unit and the man-machine interface alarm end; the input end of the state processing logic unit is connected to the feeding line Switch position status feedback signal, one output terminal connected to the display unit An output terminal of the output command generation logic unit is connected to the signal terminal of the feeder switch cabinet control command.
[8] 本实用新型的目的还可以通过釆取如下技术方案达到: [8] The purpose of the utility model can also be achieved by taking the following technical solutions:
本实用新型的一种实施方案是: 输入指令处理逻辑单元由与门芯片 IC1〜IC3 、 或门芯片 II连接而成; 故障处理逻辑单元由与门芯片 IC4〜IC5、 或门芯片 12 、 R/S触发器 Q1〜Q2、 延吋器芯片 T1〜T2连接而成; 状态处理逻辑单元由与门 芯片 IC6〜IC7、 或门芯片 I3〜I4连接而成; 输出指令生成逻辑单元由与门芯片 I C8、 或门芯片 15连接而成; 馈线开关柜的故障信号分别连接与门芯片 IC1的一个 输入端和或门芯片 II的输入端, IC1的输出端连接 15的一个输入端, II的输出端 分别连接 15的一个输入端、 IC8的一个输入端和 12的一个输入端, 闭锁信号分别 连接 IC3、 IC4、 IC5和 IC8的一个输入端, 操作员站人机界面信号分别连接 IC2 、 IC3和 IC8的一个输入端; 若干个馈线开关位置状态反馈信号分别连接 13、 14 和 IC6、 IC7的输入端; 15和 IC8的输出端连接馈线开关柜控制指令信号端; Q1 、 Q2和 12的输出端连接人机界面报警端; IC6和 14的输出端连接人机界面显示端 An embodiment of the present invention is: the input instruction processing logic unit is connected by the AND gate chip IC1~IC3, or the gate chip II; the fault processing logic unit is composed of the AND gate chip IC4~IC5, or the gate chip 12, R/ S flip-flops Q1 Q Q2, delay chip T1 T T2 are connected; state processing logic unit is connected by gate chip IC6~IC7, or gate chip I3~I4; output instruction generation logic unit is made by AND chip I C8, or the gate chip 15 is connected; the fault signal of the feeder switch cabinet is respectively connected with an input terminal of the gate chip IC1 and an input terminal of the gate chip II, and an output terminal of the output terminal of the IC1 is connected to the output terminal of the II, the output terminal of the II Connect one input of 15 respectively, one input of IC8 and one input of 12, the blocking signals are respectively connected to one input of IC3, IC4, IC5 and IC8, and the operator station interface signals are respectively connected to IC2, IC3 and IC8 One input terminal; several feeder switch position status feedback signals are respectively connected to the input terminals of 13, 14 and IC6, IC7; 15 and the output end of IC8 are connected to the feeder switch cabinet control Command signal terminal; Q1, Q2 and 12 outputs are connected to the HMI alarm terminal; IC6 and 14 outputs are connected to the HMI display terminal.
[9] 本实用新型的一种实施方案是: 馈线开关柜的故障信号可以包括馈线过负荷保 护动作信号、 馈线 6KV高压熔断器脱扣信号、 馈线 6KV电缆零序保护动作信号 、 跳闸连接片这出信号; 闭锁信号可以包括打开 OPEN信号、 关闭 CLOSE信号 ; 操作员站人机界面信号可以包括远方/ It地控制开关在远方位置信号、 选择 DC S控制信号。 [9] An embodiment of the utility model is: The fault signal of the feeder switch cabinet may include a feeder overload protection action signal, a feeder 6KV high voltage fuse trip signal, a feeder 6KV cable zero sequence protection action signal, and a trip connection piece. The signal is blocked; the blocking signal may include turning on the OPEN signal, turning off the CLOSE signal; the operator station man-machine interface signal may include a remote/It control switch at the remote position signal, selecting the DC S control signal.
[10] 本实用新型的一种实施方案是: 馈线开关位置状态反馈信号可以包括馈线 6KV 开关合闸信号、 馈线 6KV开关在工作位置信号、 馈线 6KV开关的试验开关在试 验位置信号、 馈线 6KV开关分闸信号、 馈线 6KV开关在试验位置信号、 馈线 6K V开关的试验开关在正常位置信号。 [10] An embodiment of the present invention is: The feeder switch position state feedback signal may include a feeder 6KV switch closing signal, a feeder 6KV switch at a working position signal, a feeder 6KV switch test switch at a test position signal, a feeder 6KV switch The opening signal, the feeder 6KV switch in the test position signal, the feeder 6K V switch test switch in the normal position signal.
[11] 本实用新型的一种实施方案是: 馈线开关柜控制指令信号端包括跳闸信号和合 闸信号。 [11] An embodiment of the present invention is: The feeder switch cabinet control command signal end includes a trip signal and a close signal.
[12] 本实用新型的有益效果是: [12] The beneficial effects of the utility model are:
1、 本实用新型特别适用 6.6kV馈线开关控制, 釆用与机组统一的分散控制*** DCS, 实现 6.6kV馈线开关的控制与机组控制***共享操作员站, 整体监控, 具
有提高机组运行的可靠性的效果。 1. The utility model is especially suitable for the 6.6kV feeder switch control, and uses the unified distributed control system DCS of the unit to realize the control of the 6.6kV feeder switch and the unit control system sharing operator station, overall monitoring, It has the effect of improving the reliability of the unit operation.
2、 本实用新型由于釆用与机组统一的分散控制*** DCS, 能够大大提高机组的 自动化水平, 减少运行维护人员的设置, 达到减员增效的目的, 因此具有降氐 使用及维护成本的效果。 2. Due to the centralized control system DCS of the utility model, the utility model can greatly improve the automation level of the unit, reduce the setting of the operation and maintenance personnel, and achieve the purpose of reducing staff and increasing efficiency, thus having the effect of reducing the use and maintenance cost.
[13] 附图说明 [13] BRIEF DESCRIPTION OF THE DRAWINGS
图 1为本实用新型的逻辑原理框图。 Figure 1 is a logic block diagram of the present invention.
图 2是本实用新型一个具体实施例的电路原理图。 2 is a circuit schematic diagram of a specific embodiment of the present invention.
图 3为本实用新型的工作流程图。 Figure 3 is a working flow chart of the present invention.
[14] 具体实施方式 [14] Specific implementation
[15] 参照图 1, 本实施例由输入指令处理逻辑单元 1、 故障处理逻辑单元 2、 状态处 理逻辑单元 3、 输出指令生成逻辑单元 4和馈线开关柜组成; 所述输入指令处理 逻辑单元 1的三个输入端分别连接馈线开关柜的故障信号 1-1、 闭锁信号 1-2和操 作员站人机界面信号 1-3, 其二个输出端分别连接故障处理逻辑单元 2和输出指令 生成逻辑单元 4的一个输入端; 故障处理逻辑单元 2的二个输入端分别连接状态 处理逻辑单元 3和输出指令生成逻辑单元 4的一个输出端, 其二个输出端分别连 接输出指令生成逻辑单元 4的一个输入端和人机界面报警端 2-1; 状态处理逻辑单 元 3的输入端连接馈线开关位置状态反馈信号 3-1、 一个输出端连接人机界面显示 端 3-2; 所述输出指令生成逻辑单元 4的一个输出端连接馈线开关柜控制指令信号 端 4-1。 [15] Referring to FIG. 1, the embodiment is composed of an input instruction processing logic unit 1, a fault processing logic unit 2, a state processing logic unit 3, an output instruction generation logic unit 4, and a feeder switch cabinet; the input instruction processing logic unit 1 The three input terminals are respectively connected to the fault signal 1-1 of the feeder switch cabinet, the blocking signal 1-2 and the operator station man-machine interface signal 1-3, and the two outputs are respectively connected to the fault processing logic unit 2 and the output command generation An input end of the logic unit 4; two input ends of the fault processing logic unit 2 are respectively connected to an output terminal of the state processing logic unit 3 and the output instruction generation logic unit 4, and the two output ends thereof are respectively connected to the output instruction generation logic unit 4 An input terminal and a human-machine interface alarm terminal 2-1; an input terminal of the state processing logic unit 3 is connected to the feeder switch position state feedback signal 3-1, and an output terminal is connected to the human-machine interface display terminal 3-2; An output of the generating logic unit 4 is connected to the feeder switch cabinet control command signal terminal 4-1.
[16] 参照图 2, 输入指令处理逻辑单元 1由与门芯片 IC1〜IC3、 或门芯片 II连接而成 ; 故障处理逻辑单元 2由与门芯片 IC4〜IC5、 或门芯片 12、 R/S触发器 Q1〜Q2、 延吋器芯片 T1〜T2连接而成; 状态处理逻辑单元 3由与门芯片 IC6〜IC7、 或门 芯片 13〜14连接而成; 输出指令生成逻辑单元 4由与门芯片 IC8、 或门芯片 15连接 而成; 馈线开关柜的故障信号 1-1分别连接与门芯片 IC1的一个输入端和或门芯 片 II的输入端, IC1的输出端连接 15的一个输入端, II的输出端分别连接 15的一 个输入端、 IC8的一个输入端和 12的一个输入端, 闭锁信号 1-2分别连接 IC3、 IC 4、 IC5和 IC8的一个输入端, 操作员站人机界面信号 1-3分别连接 IC2、 IC3和 IC8 的一个输入端; 若干个馈线开关位置状态反馈信号 3-1分别连接 13、 14和 IC6、 IC
7的输入端; 15和 IC8的输出端连接馈线开关柜控制指令信号端 4-1; Ql、 Q2和 12 的输出端连接人机界面报警端 2-1; IC6和 14的输出端连接人机界面显示端 3-2。 [16] Referring to FIG. 2, the input instruction processing logic unit 1 is connected by the AND gate chips IC1 to IC3 or the gate chip II; the fault processing logic unit 2 is composed of the AND gate chips IC4 to IC5, or the gate chip 12, R/S. The flip-flops Q1 Q Q2 and the delay chip T1 T T2 are connected; the state processing logic unit 3 is connected by the AND gate chips IC6 to IC7 or the gate chips 13 to 14; the output instruction generation logic unit 4 is composed of the AND gate chip. The IC8 or the gate chip 15 is connected; the fault signal 1-1 of the feeder switch cabinet is respectively connected to one input end of the gate chip IC1 and the input end of the OR gate chip II, and the output end of the IC1 is connected to one input end of the terminal 15, II The output terminals are respectively connected to one input terminal of 15, one input terminal of IC8 and one input terminal of 12, and the blocking signal 1-2 is respectively connected to one input terminal of IC3, IC4, IC5 and IC8, and the operator station man-machine interface signal 1-3 are connected to one input of IC2, IC3 and IC8 respectively; several feeder switch position status feedback signals 3-1 are respectively connected to 13, 14 and IC6, IC Input terminals of 7; 15 and IC8 are connected to the feeder switchgear control command signal terminal 4-1; Ql, Q2 and 12 are connected to the HMI alarm terminal 2-1; IC6 and 14 outputs are connected to the HMI The interface displays end 3-2.
[17] 馈线开关柜的故障信号 1-1可以包括馈线过负荷保护动作信号 1-1-1、 馈线 6KV 高压熔断器脱扣信号 1-1-2、 馈线 6KV电缆零序保护动作信号 1-1-3、 跳闸连接片 这出信号 1-1-4; 闭锁信号 1-2可以包括打开 OPEN信号 1-2-1、 关闭 CLOSE信号 1- 2-2; 操作员站人机界面信号 1-3可以包括远方 /就地控制开关在远方位置信号 1-3- 1、 选择 DCS控制信号 1-3-2。 馈线开关位置状态反馈信号 3-1可以包括馈线 6KV 开关合闸信号 3-1-1、 馈线 6KV开关在工作位置信号 3-1-2、 馈线 6KV开关的试验 开关在试验位置信号 3-1-3、 馈线 6KV开关分闸信号 3-1-4、 馈线 6KV开关在试验 位置信号 3-1-5、 馈线 6KV开关的试验开关在正常位置信号 3-1-6。 馈线开关柜控 制指令信号端 4-1包括跳闸信号 4-1-1和合闸信号 4-1-2。 [17] The fault signal 1-1 of the feeder switchgear can include the feeder overload protection action signal 1-1-1, the feeder 6KV high voltage fuse trip signal 1-1-2, and the feeder 6KV cable zero sequence protection action signal 1- 1-3, tripping the connecting piece to output signal 1-1-4; blocking signal 1-2 may include opening OPEN signal 1-2-1, closing CLOSE signal 1- 2-2; operator station man-machine interface signal 1- 3 may include a remote/local control switch at the remote position signal 1-3-1, selecting the DCS control signal 1-3-2. The feeder switch position status feedback signal 3-1 may include the feeder 6KV switch closing signal 3-1-1, the feeder line 6KV switch at the working position signal 3-1-2, the feeder line 6KV switch test switch at the test position signal 3-1- 3. Feeder 6KV switch trip signal 3-1-4, feeder 6KV switch in test position signal 3-1-5, feeder 6KV switch test switch in normal position signal 3-1-6. The feeder switchgear control command signal terminal 4-1 includes the trip signal 4-1-1 and the closing signal 4-1-2.
[18] 参照图 3, 本实用新型的具体控制流程如下: [18] Referring to Figure 3, the specific control flow of the utility model is as follows:
1) 由 DCS人机界面输入指令; 1) Input the command by the DCS man-machine interface;
2) 由逻辑处理元件进行判断逻辑的可行性; 2) the feasibility of the decision logic by the logic processing component;
3) 可行指令生成逻辑输出至馈线开关柜的断路器控制回路; 3) The feasible command generates logic output to the circuit breaker control circuit of the feeder switch cabinet;
4) 不可行, 故障信号由报警器输出, 通过故障处理逻辑元件输送到人机界面 进行报警, 重新设置或处理故障; 4) Infeasible, the fault signal is output by the alarm, and is sent to the man-machine interface through the fault processing logic element to alarm, reset or handle the fault;
5) 断路器位置状态反馈信号经 DCS信号输入路线端口输入至人机界面。 5) The circuit breaker position status feedback signal is input to the man-machine interface via the DCS signal input route port.
[19] 参照图 1和图 2, 馈线的控制和监测均由运行人员在 DCS的操作员站实现, 包括 了在 DCS的操作员站对 6.6kV断路器的远方合闸及跳闸操作, 还有安装于开关柜 内的微机型综合保护装置检测出电气回路故障后动作使开关跳闸及其位置状态 反馈信号、 开关柜内机械故障的报警信号、 通过安装于开关柜内的互感器获得 的电气测量信号等, 这些信号通过电缆送至 DCS的控制模块, 控制模块根据运 行要求进行逻辑处理, 然后发出跳 /合闸指令并给出相应的正常信号及报警信号 [19] Referring to Figures 1 and 2, the control and monitoring of the feeders are performed by the operator at the operator station of the DCS, including the remote closing and tripping operations of the 6.6kV circuit breaker at the DCS operator station, and The microcomputer-type integrated protection device installed in the switch cabinet detects the switch of the switch and its position state feedback signal after the failure of the electrical circuit, the alarm signal of the mechanical failure in the switch cabinet, and the electrical data obtained through the transformer installed in the switch cabinet. Measurement signals, etc., these signals are sent to the DCS control module through the cable, the control module performs logic processing according to the operation requirements, and then issues a jump/close command and gives corresponding normal signals and alarm signals.
[20] 本实施例中, 人机界面的信号输入路线端口连接于故障处理逻辑单元 2输出路 线端口。 故障处理逻辑单元 2的信号路线输入端口连接于状态处理逻辑单元 3、 输入指令处理逻辑单元 1及输出指令生成逻辑单元 4的信号输出路线端口。 输入
指令处理逻辑单元 1及状态处理逻辑单元 3的信号输入路线端口连接于现场设备 的控制信号输出路线端口。 [20] In this embodiment, the signal input route port of the human machine interface is connected to the fault processing logic unit 2 to output the route port. The signal path input port of the fault processing logic unit 2 is connected to the signal output route port of the state processing logic unit 3, the input command processing logic unit 1, and the output command generation logic unit 4. Input The signal input route port of the instruction processing logic unit 1 and the state processing logic unit 3 is connected to the control signal output route port of the field device.
[21] 输入指令逻辑处理单元 1的功能是接收外部信号, 检测输入的信号并判断其逻 辑的可行性, 为输出指令及故障处理元件提供相应的处理结果, 并和 DCS操作 介面的操作指令一起连接于输出端口。 其信号输入端口连接于馈线开关柜以及 其它与馈线开关控制联锁或报警信号相关的设备。 [21] The function of the input instruction logic processing unit 1 is to receive an external signal, detect the input signal and judge the feasibility of its logic, provide corresponding processing results for the output instruction and the fault handling component, and together with the operation instruction of the DCS operation interface Connected to the output port. Its signal input port is connected to the feeder switchgear and other equipment associated with the feeder switch control interlock or alarm signal.
[22] 输出指令生成逻辑单元 4的功能是根据输入指令逻辑处理元件判断逻辑可行性 的结果, 输出给馈线断路器控制回路。 [22] The function of the output command generation logic unit 4 is output to the feeder circuit breaker control loop based on the result of the input instruction logic processing component determining the logical feasibility.
[23] 状态处理逻辑单元 3的功能是接收馈线断路器位置状态进行处理并送至人机界 面及故障处理逻辑元件。 [23] The function of the state processing logic unit 3 is to receive the status of the feeder circuit breaker for processing and to send to the man-machine interface and fault handling logic.
[24] 故障处理逻辑单元 2的功能是将输入指令逻辑处理元件判断的逻辑错误信号同 其他故障信号进行处理并输出至人机界面报警、 重新设置或进行其他处理。 [24] The function of the fault processing logic unit 2 is to process the logic error signal judged by the input instruction logic processing element with other fault signals and output it to the display unit for alarm, reset or other processing.
[25] 馈线开关是馈线电源的操作断路器, 安装于开关柜内, 连接至 6.6kV母线, 为 馈线提供电源。 [25] The feeder switch is an operation circuit breaker for the feeder power supply. It is installed in the switch cabinet and connected to the 6.6kV bus to supply power to the feeder.
[26] 本实用新型除了适用于具体实施例所述的核电站的氐压厂用馈线开关控制之 夕卜, 还可广泛于其他高、 氐压馈线的开关控制, 其适用范围不受前述具体实施 例的氐压厂用 6.6kV馈线开关控制的限制。
[26] The utility model is applicable to the control of the feeder switch for the rolling plant of the nuclear power plant according to the specific embodiment, and can also be widely used for the switching control of other high and rolling feeders, and the applicable scope is not subject to the foregoing specific implementation. The example of the rolling plant is limited by the 6.6kV feeder switch control.
Claims
(1) 、 故障处理逻辑单元 (2) 、 状态处理逻辑单元 (3) 、 输出指 令生成逻辑单元 (4) 和馈线开关柜组成; 输入指令处理逻辑单元 (1 ) 的三个输入端分别连接馈线开关柜的故障信号 (1-1) 、 闭锁信号 (1-2) 和操作员站人机界面信号 (1-3) , 其二个输出端分别连接故 障处理逻辑单元 (2) 和输出指令生成逻辑单元 (4) 的一个输入端; 故障处理逻辑单元 (2) 的二个输入端分别连接状态处理逻辑单元 (3 ) 和输出指令生成逻辑单元 (4) 的一个输出端, 其二个输出端分别 连接输出指令生成逻辑单元 (4) 的一个输入端和人机界面报警端 (2 -1) ; 状态处理逻辑单元 (3) 的输入端连接馈线开关位置状态反馈 信号 (3-1) 、 一个输出端连接人机界面显示端 (3-2) ; 输出指令生 成逻辑单元 (4) 的一个输出端连接馈线开关柜控制指令信号端 (4-1 ) 。 (1), fault processing logic unit (2), state processing logic unit (3), output command generation logic unit (4) and feeder switch cabinet; input command processing logic unit (1) three inputs are respectively connected to the feeder The fault signal (1-1), the blocking signal (1-2) and the operator station man-machine interface signal (1-3) of the switchgear are connected to the fault processing logic unit (2) and the output command generation respectively. An input of the logic unit (4); two inputs of the fault processing logic unit (2) are respectively connected to an output of the state processing logic unit (3) and the output instruction generation logic unit (4), and the two outputs thereof Connect one input of the output command generation logic unit (4) and the man-machine interface alarm terminal (2 -1) respectively; the input of the state processing logic unit (3) is connected to the feeder switch position status feedback signal (3-1), one The output terminal is connected to the display terminal of the display unit (3-2); an output terminal of the output command generation logic unit (4) is connected to the signal terminal (4-1) of the feeder switch cabinet control command.
[2] 根据权利要求 1所述的核电站电厂馈线开关控制模块, 其特征是: 输 入指令处理逻辑单元 (1) 由与门芯片 IC1〜IC3、 或门芯片 II连接而 成; 故障处理逻辑单元 (2) 由与门芯片 IC4〜IC5、 或门芯片 12、 R/S 触发器 Q1〜Q2、 延吋器芯片 T1〜T2连接而成; 状态处理逻辑单元 ( 3) 由与门芯片 IC6〜IC7、 或门芯片 I3〜I4连接而成; 输出指令生成 逻辑单元 (4) 由与门芯片 IC8、 或门芯片 15连接而成; 馈线开关柜的 故障信号 (1-1) 分别连接与门芯片 IC1的一个输入端和或门芯片 II的 输入端, IC1的输出端连接 15的一个输入端, II的输出端分别连接 15 的一个输入端、 IC8的一个输入端和 12的一个输入端, 闭锁信号 (1-2 ) 分别连接 IC3、 IC4、 IC5和 IC8的一个输入端, 操作员站人机界面 信号 (1-3) 分别连接 IC2、 IC3和 IC8的一个输入端; 若干个馈线开 关位置状态反馈信号 (3-1) 分别连接 13、 14和 IC6、 IC7的输入端; I 5和 IC8的输出端连接馈线开关柜控制指令信号端 (4-1) ; Ql、 Q2和 12的输出端连接人机界面报警端 (2-1) ; IC6和 14的输出端连接人机
界面显示端 (3-2) 。 [2] The nuclear power plant power line feeder switch control module according to claim 1, wherein: the input command processing logic unit (1) is connected by the AND gate chip IC1~IC3, or the gate chip II; the fault processing logic unit ( 2) The gate chip IC4~IC5, the gate chip 12, the R/S flip-flops Q1~Q2, the delay chip T1~T2 are connected; the state processing logic unit (3) is composed of the AND gate chip IC6~IC7, The OR gate chip I3~I4 are connected; the output command generation logic unit (4) is connected by the gate chip IC8 or the gate chip 15; the fault signal (1-1) of the feeder switch cabinet is respectively connected to the gate chip IC1 An input terminal and an input terminal of the OR gate chip II, an output terminal of the IC1 is connected to an input terminal of the terminal 15. The output terminal of the II terminal is respectively connected to an input terminal of the 15 terminal, an input terminal of the IC8, and an input terminal of the 12, and a latching signal ( 1-2) Connect one input of IC3, IC4, IC5 and IC8 respectively, the operator station man-machine interface signals (1-3) are respectively connected to one input of IC2, IC3 and IC8; several feeder switch position status feedback signals (3-1) Connect separately 13 14 and IC6, IC7 input; I 5 and IC8 output terminal connected to the feeder switchgear control command signal terminal (4-1); Ql, Q2 and 12 output terminal connected to the man-machine interface alarm terminal (2-1); The outputs of IC6 and 14 are connected to the HMI Interface display end (3-2).
根据权利要求 1所述的核电站电厂馈线开关控制模块, 其特征是: 馈 线开关柜的故障信号 (1-1) 包括馈线过负荷保护动作信号 (1-1-1) 、 馈线 6KV高压熔断器脱扣信号 (1-1-2) 、 馈线 6KV电缆零序保护动 作信号 (1-1-3) 、 跳闸连接片这出信号 (1-1-4) ; 闭锁信号 (1-2) 包括打开 OPEN信号 (1-2-1) 、 关闭 CLOSE信号 (1-2-2) ; 操作员 站人机界面信号 (1-3) 包括远方 /就地控制开关在远方位置信号 (1-3 -1) 、 选择 DCS控制信号 (1-3-2) 。 The feeder switch control module for a nuclear power plant according to claim 1, wherein: the fault signal (1-1) of the feeder switchgear comprises a feeder overload protection action signal (1-1-1), and the feeder 6KV high voltage fuse is off. Buckle signal (1-1-2), feeder 6KV cable zero sequence protection action signal (1-1-3), trip connection piece this signal (1-1-4); blocking signal (1-2) includes open OPEN Signal (1-2-1), CLOSE signal off (1-2-2); Operator station HMI signal (1-3) including remote/local control switch in remote position signal (1-3 -1) Select the DCS control signal (1-3-2).
根据权利要求 1所述的核电站电厂馈线开关控制模块, 其特征是: 馈 线开关位置状态反馈信号 (3-1) 包括馈线 6KV开关合闸信号 (3-1-1 ) 、 馈线 6KV开关在工作位置信号 (3-1-2) 、 馈线 6KV开关的试验开 关在试验位置信号 (3-1-3) 、 馈线 6KV开关分闸信号 (3-1-4) 、 馈 线 6KV开关在试验位置信号 (3-1-5) 、 馈线 6KV开关的试验开关在正 常位置信号 (3-1-6) 。 The feeder switch control module for a nuclear power plant according to claim 1, wherein: the feeder switch position state feedback signal (3-1) comprises a feeder 6KV switch closing signal (3-1-1), and the feeder 6KV switch is in a working position. Signal (3-1-2), feeder 6KV switch test switch at test position signal (3-1-3), feeder 6KV switch open signal (3-1-4), feeder 6KV switch at test position signal (3 -1-5), the test switch of the feeder 6KV switch is in the normal position signal (3-1-6).
根据权利要求 1所述的核电站电厂馈线开关控制模块, 其特征是: 馈 线开关柜控制指令信号端 (4-1) 包括跳闸信号 (4-1-1) 和合闸信号 (4-1-2) 。
The feed line switch control module of a nuclear power plant according to claim 1, wherein: the feeder switch cabinet control command signal end (4-1) includes a trip signal (4-1-1) and a closing signal (4-1-2). .
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CNU2008202065918U CN201365140Y (en) | 2008-12-31 | 2008-12-31 | Feeder line switch control module for nuclear power station electric power plant |
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Cited By (2)
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CN110398901A (en) * | 2019-04-28 | 2019-11-01 | 北京广利核***工程有限公司 | Nuclear power station DCS replicating machine power loss emulation mode and device |
CN112039205A (en) * | 2020-08-28 | 2020-12-04 | 国网河南省电力公司技能培训中心 | Remote local switch with remote authorization control function and mode control method |
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CN104485140B (en) * | 2014-11-13 | 2017-05-10 | 大亚湾核电运营管理有限责任公司 | Nuclear power station reactor protection system testing method and apparatus thereof |
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CN201060387Y (en) * | 2007-04-28 | 2008-05-14 | 广东省电力设计研究院 | Logical control module dedicated for single electromagnetic valve control pneumatic valve |
CN201060406Y (en) * | 2007-04-28 | 2008-05-14 | 广东省电力设计研究院 | Logical control module dedicated for point-activated and electrical valve/baffle |
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JP2008008649A (en) * | 2006-06-27 | 2008-01-17 | Hitachi Ltd | Controller of electromagnetic apparatus and controller of electromagnetic apparatus used in nuclear power plant |
CN201060387Y (en) * | 2007-04-28 | 2008-05-14 | 广东省电力设计研究院 | Logical control module dedicated for single electromagnetic valve control pneumatic valve |
CN201060406Y (en) * | 2007-04-28 | 2008-05-14 | 广东省电力设计研究院 | Logical control module dedicated for point-activated and electrical valve/baffle |
Cited By (4)
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CN110398901A (en) * | 2019-04-28 | 2019-11-01 | 北京广利核***工程有限公司 | Nuclear power station DCS replicating machine power loss emulation mode and device |
CN110398901B (en) * | 2019-04-28 | 2023-04-18 | 北京广利核***工程有限公司 | Power-loss simulation method and device for DCS (distributed control System) simulator of nuclear power station |
CN112039205A (en) * | 2020-08-28 | 2020-12-04 | 国网河南省电力公司技能培训中心 | Remote local switch with remote authorization control function and mode control method |
CN112039205B (en) * | 2020-08-28 | 2024-02-27 | 国网河南省电力公司技能培训中心 | Remote on-site switch with remote authorization control function and mode control method |
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