CN101609332B - Online three-layer synchronous anti-error locking system - Google Patents
Online three-layer synchronous anti-error locking system Download PDFInfo
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- CN101609332B CN101609332B CN2009100698402A CN200910069840A CN101609332B CN 101609332 B CN101609332 B CN 101609332B CN 2009100698402 A CN2009100698402 A CN 2009100698402A CN 200910069840 A CN200910069840 A CN 200910069840A CN 101609332 B CN101609332 B CN 101609332B
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Abstract
本发明涉及一种在线式三层同步防误闭锁系统，包括后台监控工作站、远动工作站、测控装置和智能控制单元，后台监控工作站、远动工作站连接到站控层网络上，测控装置同时连接到站控层网络和过程层网络上，智能控制单元连接到过程层网络上，后台监控工作站及测控装置内置有防误闭锁逻辑单元，其主要技术特点是：后台监控工作站与测控装置通过站控层网络相连接实现防误闭锁逻辑单元的同步，智能控制单元还安装一由测控装置控制的防误闭锁接点控制板。本发明设计合理，实现了就地操作与遥控操作防误闭锁系统的完全逻辑同步，具有三层防误闭锁逻辑同步的效果，便于操作与控制，节约了防误闭锁系统的成本。
The invention relates to an online three-layer synchronous anti-error locking system, which includes a background monitoring workstation, a telecontrol workstation, a measurement and control device, and an intelligent control unit. The background monitoring workstation and the telecontrol workstation are connected to the station control layer network, and the measurement and control devices are simultaneously connected On the station control layer network and the process layer network, the intelligent control unit is connected to the process layer network. The background monitoring workstation and the measurement and control device are equipped with an anti-mislocking logic unit. The main technical features are: the background monitoring workstation and the measurement and control device pass through the station control Layer network is connected to realize the synchronization of the anti-mislocking logic unit, and the intelligent control unit is also equipped with an anti-mislocking contact control board controlled by the measurement and control device. The invention has reasonable design, realizes the complete logic synchronization of the local operation and the remote control operation anti-misoperation locking system, has the effect of three layers of anti-misoperation locking logic synchronization, is convenient for operation and control, and saves the cost of the anti-misoperation locking system.
Description
Technical field
The invention belongs to automation of transformation substations control field, especially a kind of online three-layer synchronous anti-error locking system.
Background technology
At present, represented the direction of transformer station's development from now on the digital transformer substation that primary equipment is intelligent, secondary device is networked, communications platform is standardized as principal character.The primary equipment intellectuality is presented as the electric mutual inductor and the intelligent switch of band numeral output; The secondary device networking be embodied in secondary device to last and to following contact all through network service; The communications platform standardization embodies and is the IEC61850 standard.Digital transformer substation automated system based on the IEC61850 standard comprises station level equipment, bay device and process layer equipment, connects the employing ethernet communication through two-tier network between the three-layer equipment.GOOSE be IEC61850 for satisfying quick dependable communications transmission requirements in the transformer station (especially trip signal), a kind of mechanism of rapid message has been proposed.The GOOSE network is the process layer interface of intelligent switch and the network between the bay device, and its data content is opening into leaving data between intelligent switch and the bay device and between the bay device.
Transformer station's anti-misoperation is the key problem that guarantees that substation safety is produced, and influences the substation safety operation in order to prevent maloperation, is provided with anti-error locking system to prevent that mistake from dividing, mistake is closed isolating switch in automation of transformation substations control system; Prevent that on-load from drawing, closing disconnector; Prevent charged (extension) splice grafting ground wire (switch); Prevent to be with ground wire (switch) to close disconnector; Prevent mistakenly entering charged chamber.At present; Usually adopt error proof locking system of microcomputer to carry out anti-misoperation; Error proof locking system of microcomputer generally comprises formations such as five anti-main frames and software systems, communications adapter, electricity coding lock, mechanical coding lock, computer key, and the problem that this anti-error locking system exists is: (1) error proof locking system of microcomputer needs one to overlap independently hardware and software system, and it is judged and is that off-line is judged and processing when handling; Do not realize the complete on-line synchronous of local operation and straighforward operation anti-error locking system; Can not carry out real-time judge and anti-error processing to the time of day of system, therefore, its real-time and poor accuracy; (2) need independently anti-misoperation locking microcomputer and computer key, increased system cost.Though; Also have at measure and control device embedded anti-misoperation locking logic has been installed, and can gather and stride interval information and carry out anti-false judgment, but that this method still can't be accomplished wall and station level latching logic is synchronous; And during the local operation of the process of carrying out layer, can't realize anti mis-closedown function.
Summary of the invention
Be to overcome the deficiency of prior art order of the present invention, propose a kind of effect with three layers of anti-misoperation locking logical synchronization, be convenient to operate and control and practice thrift the online three-layer synchronous anti-error locking system of anti-error locking system cost.
The present invention solves its technical matters and takes following technical scheme to realize:
A kind of online three-layer synchronous anti-error locking system; Comprise background monitoring workstation, remote station, measure and control device and intelligent control unit; Background monitoring workstation, remote station are connected on the station level network; Measure and control device is connected on station level network and the process layer network simultaneously; Intelligent control unit is connected on the process layer network; Background monitoring workstation and measure and control device are built-in with the anti-misoperation locking logical block; The background monitoring workstation is connected through the station level network with measure and control device and realizes the synchronous of anti-misoperation locking logical block; Described intelligent control unit is made up of microprocessor, programmable logic cells, fiber optic Ethernet module, photoelectrical coupler, exit relay module, locking outlet loop, remote control outlet loop, protection trip(ping) circuit; Two fiber optic Ethernet modules that are connected with microprocessor are connected on the process layer network and communicate with measure and control device, and the programmable logic cells that is connected with microprocessor is connected with photoelectrical coupler, exit relay module respectively, and the input end of photoelectrical coupler is connected with switchgear; Exit relay module output terminal is connected with locking outlet loop, remote control outlet loop, protection trip(ping) circuit respectively; The locking outlet loop is built-in with anti-misoperation locking contact control panel, and described anti-misoperation locking contact control panel is left contact (YK), closed the branch operator and connect and compose (HA/FA), interlocking contact (LS) and release contact (JS) by switching controls handgrip (SK), remote control, and annexation is: (1) close the branch operator for closing operation handgrip (HA) with divide operator (FA) two unit independently; (2) anti-misoperation locking contact control panel comprises that two switching controls handgrips (SK) and two remote controls leave contact (YK); The output terminal of the first switching controls handgrip is left contact with two remote controls of parallel connection and is connected; And the output terminal that contact is left in two remote controls is connected with combined floodgate control end and separating brake control end respectively, and the output terminal of the second switching controls handgrip is connected with the input end of closing operation handgrip with branch operator handle simultaneously; (3) anti-misoperation locking contact control panel comprises 2 distich interlocking points (LS) and release contact (JS); Wherein first pair head end and closing operation handgrip (HA) output terminal; Tail end is connected respectively with the combined floodgate control end; Second pair head end and branch operator are (FA) output terminal, and tail end is connected respectively with the separating brake control end.
And what described microprocessor adopted is the MPC8313 chip, and what described fiber optic Ethernet module adopted is the HFBR5961 module.
Advantage of the present invention and good effect are:
1, this anti-error locking system can be by the anti-misoperation locking contact control panel that carries out online anti-error differentiation of measure and control device control intelligent control unit being provided with; Measure and control device is through communicating the synchronous of anti-misoperation locking logical block in the anti-misoperation locking logical block that realizes in the measure and control device and the station level equipment with the background monitoring workstation; Reach the effect of three layers of anti-misoperation locking logical synchronization, realized the complete logical synchronization of local operation and straighforward operation.
2, this anti-error locking system meets the digital transformer substation characteristics; Made full use of the network advantage of digital transformer substation; Solved the shortcoming that error proof locking system of microcomputer off-line judgement in the past five is prevented; Cancel electricity coding lock and mechanical lock that error proof locking system of microcomputer carries out local operation, practiced thrift the cost of anti-error locking system.
3, this anti-error locking system solved do not have when collection control center or dispatching center carry out the Remote operation five anti-or need set up the problem of five-preventing system in addition; Make telemechanical control need not to increase any equipment and workload, realized complete full station pressure anti-misoperation locking through measure and control device.
4, the present invention is reasonable in design; Remote operation through scheduling or collection control center issues guidance command by remote station, and the logic determines through measure and control device realizes long-range anti-misoperation locking; Realized the complete logical synchronization of local operation and straighforward operation; Effect with three layers of anti-misoperation locking logical synchronization is convenient to operation and control, has practiced thrift the cost of anti-error locking system.
Description of drawings
Fig. 1 is that system of the present invention connects synoptic diagram;
Fig. 2 is the circuit frame principle figure of intelligent control unit;
Fig. 3 is the logical diagram of anti-misoperation locking contact control panel.
Embodiment
Below in conjunction with accompanying drawing the embodiment of the invention is done further detailed description.
A kind of online three-layer synchronous anti-error locking system, as shown in Figure 1, constitute by two-tier network layer and three-layer equipment layer; Station level equipment comprises background monitoring workstation, remote station; Bay device mainly comprises measure and control device, and process layer equipment mainly comprises intelligent control unit, and station level equipment, bay device and process layer equipment link together through station level network and process layer network; Wherein, Background monitoring workstation, remote station are connected on the station level network, and measure and control device is connected on station level network and the process layer network simultaneously, and intelligent control unit is connected on the process layer network.The background monitoring workstation, and measure and control device all be built-in with the anti-misoperation locking logical block, the anti-misoperation locking decision logic that provides according to the anti-misoperation locking logical block carries out anti-error control; Measure and control device is connected with the background monitoring workstation through the station level network and realizes the synchronous of anti-misoperation locking logical block in anti-misoperation locking logical block and the station level equipment in the measure and control device; Intelligent control unit is also installed an anti-misoperation locking contact control panel, and this anti-misoperation locking contact control panel is realized the control function of anti-misoperation locking by measure and control device control.Remote operation through scheduling or collection control center issues guidance command by remote station, and the logic determines through measure and control device realizes long-range anti-misoperation locking.
Intelligent control unit in the process layer equipment is made up of microprocessor, programmable logic cells, fiber optic Ethernet module, photoelectrical coupler, exit relay module, locking outlet loop, remote control outlet loop, protection trip(ping) circuit; As shown in Figure 2; In the present embodiment; What microprocessor adopted is the MPC8313 chip, and what the fiber optic Ethernet module adopted is the HFBR5961 module.Two fiber optic Ethernet modules that are connected with microprocessor are connected on the process layer network and communicate with measure and control device; The programmable logic cells that is connected with microprocessor is connected with photoelectrical coupler, exit relay module respectively; The input end of photoelectrical coupler is connected with switchgear; Exit relay module output terminal is connected with locking outlet loop, remote control outlet loop, protection trip(ping) circuit respectively, and the locking outlet loop is built-in with anti-misoperation locking contact control panel.
Anti-misoperation locking contact control panel in the intelligent control unit is left contact (YK), closed the branch operator and connect and compose (HA/FA), interlocking contact (LS) and release contact (JS) by switching controls handgrip (SK), remote control, and is as shown in Figure 3.Two output terminals of switching controls handgrip (SK) leave contact (YK) with remote control respectively, close the branch operator is connected (HA/FA); Two docking points that 1. 2. and 5. 6. switch handgrip among the figure for this; When the SK handgrip placed a distant place, contact was 1. 2. for connecting, through long-range realization anti-misoperation locking control; When the SK handgrip placed on the spot, 6. 5. contact connected, by realizing anti-misoperation locking control on the spot; Remote control is left contact (YK) and is left contact for the intelligent control unit remote control, needs after measure and control device anti-misoperation locking logic determines, just can issue remote control and make intelligent control unit, and its two output terminals are connected with combined floodgate control end and separating brake control end respectively; Closing the branch operator is (HA/FA) the local operation handgrip; Its two output terminals are connected with 2 distich interlocking points (LS), release contact (JS) respectively; Interlocking contact (LS), release contact (JS) are connected with combined floodgate control end and separating brake control end respectively; Interlocking contact (LS) is controlled by the real-time anti-misoperation locking logic determines of observing and controlling result, is implemented in line traffic control and joins blocking, and release contact (JS) is when being in release; This contact is connected and is forced to connect control loop, realizes the emergency release operation of local operation.This anti-misoperation locking contact control panel is built in the locking outlet loop; The result of locking outlet loop action is interlocking contact (LS) closure of intelligent control unit; Promptly when five anti-rules are judged five anti-remote control permissions in measure and control device after; Information is sent intelligent control unit, behind the intelligent control unit resolving information, control exit relay contact (LS) closure of will interlocking.
This three-layer synchronous anti-error locking system has been realized station level, wall, three layers of full station of process layer synchronous anti-error blocking function, and three layers of anti-misoperation locking are each other through station level network and process layer network transmission locking information.Ground floor is that station level is anti-error; Realize that by background monitoring embed full station anti-misoperation locking logical block in the backstage, this logical block and wall anti-misoperation locking logical block are synchronous automatically; The anti-error function in backstage is carried out anti-error differentiation by five anti-simulation preview operations; Simulation preview through after can operate, all through real-time anti-misoperation locking logic rules judgement and correctly, could transfer practical operation in the simulation preview from simulated operation; Thereby realize that station level is anti-error, this implementation meets operations staff's operating habit.The second layer is that wall is anti-error; Full station anti-misoperation locking logical block embeds measure and control device, strides switch tool positional information at interval by measure and control device through the collection of GOOSE interactive information, obtains anti-error required real-time information; Realize full station interlocking; Measure and control device embeds the anti-misoperation locking logical block, and wall is anti-error, and to be totally independent of the station control anti-error, real-time judge institute control operation point couplet blocking.The 3rd layer of process layer is anti-error; The process layer can receive the remote control order to carry out straighforward operation or carries out manual mode operation on the spot; During straighforward operation, intelligent control unit receives the remote control order back (this control order is the GOOSE message format) of measure and control device, realizes straighforward operation through the contact of leaving of I/O plate; During local operation; By interval anti-misoperation locking logic determines result the couplet blocking information of operand is provided, controls the interlocking contact (LS) of intelligent control unit in real time, this contact seals in the control loop of each operand; Only when the anti-misoperation locking logical condition of this object all satisfies; This interlocking contact (LS) closure, the local operation loop is connected, and realizes the pressure anti-misoperation locking of manual mode operation on the spot.
This three-layer synchronous anti-error locking system control the following three kinds of modes that comprise:
1. dispatch or collect the remote operation (control is at scheduling or collection control center) at control center
Scheduling or collection control center are sent out the control order through telecontrol channel and are given remote station in the station; Remote station will be controlled order and be transmitted to corresponding measure and control device; Measure and control device carries out reference mark couplet blocking judgement after receiving the control order: if state is a released state; Then will control order and be handed down to intelligent control unit, realize distant place control primary equipment; State is locking, and measure and control device forbids issuing this control order, thereby realizes the anti-misoperation locking to scheduling or the control of a collection distant place, control center.
2. monitor backstage remote operation (control is end at the station)
Monitor workstation is simulated preview by operation order; Each step of simulation preview is all carried out the real-time verification of anti-misoperation locking logical block; The anti-misoperation locking logical block of this logical block and measure and control device is synchronous automatically, after the simulation preview is passed through, carries out remote operation at monitor workstation; The remote control order is issued to measure and control device; Measure and control device carries out reference mark couplet blocking judgement after receiving the control order: if state is a released state, then will controls order and be handed down to intelligent control unit, and realize the distant place of primary equipment is controlled; If state is locking, measure and control device forbids issuing this control order, thereby realizes the anti-misoperation locking of monitor workstation remote operation.
3. local operation
Local operation is meant the operation of carrying out at intelligent control unit; The local operation control loop has sealed in the interlocking contact (LS) of intelligent control unit, and this interlocking contact (LS) receives the control of measure and control device couplet blocking, during this control point release; This interlocking contact (LS) is connected; Otherwise this contact is opened, and has broken off control loop, thereby has realized the anti-misoperation locking of local operation.Local operation also provides " release " operator handle in emergency circumstances, and " release " when handgrip was got to released state, contact (LS) short circuit of will interlocking forced to connect control loop, realized the emergency release operation of local operation.
It is emphasized that; Embodiment of the present invention is illustrative; Rather than it is determinate; Therefore the present invention is not limited to the embodiment described in the embodiment, and every other embodiments that drawn by those skilled in the art's technical scheme according to the present invention belong to the scope that the present invention protects equally.
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| CN2009100698402A CN101609332B (en) | 2009-07-22 | 2009-07-22 | Online three-layer synchronous anti-error locking system |
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Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102157983B (en) * | 2011-04-01 | 2014-04-23 | 南京南瑞继保电气有限公司 | GOOSE (generic object oriented substation event)-based five-prevention locking method of measuring and controlling device |
| CN102645919A (en) * | 2012-04-01 | 2012-08-22 | 国电南瑞科技股份有限公司 | Switching device for refitting transformer station automatic system and switching method thereof |
| CN102769278B (en) * | 2012-08-14 | 2014-09-03 | 国电南瑞科技股份有限公司 | Layering protective system |
| CN103151842B (en) * | 2013-03-18 | 2015-03-25 | 国家电网公司 | Hierarchical protection control system facing regional power grid |
| CN103475104A (en) * | 2013-09-27 | 2013-12-25 | 国家电网公司 | Unlocking screen for misoperation-preventive locking system of integrated automation substation |
| CN106532927B (en) * | 2015-09-15 | 2019-01-01 | 珠海优特电力科技股份有限公司 | The anti-error locking system of substation |
| CN106709580B (en) * | 2017-01-13 | 2021-06-08 | 国家电网公司 | A substation secondary system operation and maintenance cloud platform |
| CN109542013B (en) * | 2018-12-06 | 2021-05-14 | 国网江苏省电力有限公司连云港供电分公司 | Parallel micro-electromechanical electric error-proof locking device |
| CN113241744B (en) * | 2021-06-09 | 2023-05-02 | 中国南方电网有限责任公司超高压输电公司贵阳局 | Control loop of switching device in transformer substation |
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Owner name: STATE GRID CORPORATION OF CHINA Effective date: 20121122 |
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Effective date of registration: 20121122 Address after: 300010 Tianjin city Hebei District Wujing Road No. 39 Patentee after: Tianjin Electric Power Corp. Patentee after: State Grid Corporation of China Address before: 300010 Tianjin city Hebei District Wujing Road No. 39 Patentee before: Tianjin Electric Power Corp. |