CN101609332A - Online three-layer synchronous anti-error locking system - Google Patents
Online three-layer synchronous anti-error locking system Download PDFInfo
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- CN101609332A CN101609332A CNA2009100698402A CN200910069840A CN101609332A CN 101609332 A CN101609332 A CN 101609332A CN A2009100698402 A CNA2009100698402 A CN A2009100698402A CN 200910069840 A CN200910069840 A CN 200910069840A CN 101609332 A CN101609332 A CN 101609332A
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Abstract
The present invention relates to a kind of online three-layer synchronous anti-error locking system, comprise the background monitoring workstation, remote station, measure and control device and intelligent control unit, the background monitoring workstation, remote station is 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, its major technique characteristics are: the background monitoring workstation is connected by the station level network with measure and control device and realizes the synchronous of anti-misoperation locking logical block, and intelligent control unit is also installed an anti-misoperation locking contact control panel by measure and control device control.The present invention is reasonable in design, has realized the complete logical synchronization of local operation and straighforward operation anti-error locking system, has the effect of three layers of anti-misoperation locking logical synchronization, is convenient to operation and control, has saved the cost of anti-error 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, the digital transformer substation that is standardized as principal character with primary equipment intellectuality, secondary device networking, communications platform has been represented the direction of transformer station's development from now on.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 by 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 by 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 five anti-main frame and software systems, communications adapter, electricity coding lock, mechanical coding lock, formations such as computer key, 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, it is judged and is that off-line is judged and handled 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 deficiencies in the 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 save 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 the background monitoring workstation, remote station, measure and control device and intelligent control unit, the background monitoring workstation, remote station is 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 by the station level network with measure and control device and realizes the synchronous of anti-misoperation locking logical block, and intelligent control unit is also installed an anti-misoperation locking contact control panel by measure and control device control.
And; described intelligent control unit is by microprocessor; programmable logic cells; the fiber optic Ethernet module; photoelectrical coupler; the exit relay module; the locking outlet loop; the remote control outlet loop; the protection trip(ping) circuit constitutes; 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 respectively with photoelectrical coupler; the exit relay module is connected; the input end of photoelectrical coupler is connected with switchgear; exit relay module output terminal respectively with the locking outlet loop; the remote control outlet loop; the protection trip(ping) circuit is connected, and the locking outlet loop is built-in with anti-misoperation locking contact control panel.
And, described anti-misoperation locking contact control panel is by switching controls handgrip (SK), contact (YK) is left in remote control, close the branch operator (HA/FA), interlocking contact (LS) and release contact (JS) connect and compose, two output terminals of switching controls handgrip (SK) are left contact (YK) with remote control respectively, closing the branch operator is connected (HA/FA), two output terminals that contact (YK) is left in remote control are connected with combined floodgate control end and separating brake control end respectively, close the branch operator two output terminals of (HA/FA) respectively with 2 distich interlocking points (LS), release contact (JS) is connected, interlocking contact (LS), release contact (JS) is connected with combined floodgate control end and separating brake control end respectively.
And what described microprocessor adopted is the MPC8313 chip, and what described programmable logic cells adopted is the EPL3128 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 by 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, the shortcomings that error proof locking system of microcomputer off-line judgement in the past five is prevented have been solved, cancel electricity coding lock and mechanical lock that error proof locking system of microcomputer carries out local operation, saved the cost of anti-error locking system.
3, this anti-error locking system solved do not have when centralized 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 by measure and control device.
4, the present invention is reasonable in design, remote operation by scheduling or centralized control center, issue guidance command by remote station, logic determines by 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 saved the cost of anti-error locking system.
Description of drawings
Fig. 1 is a system of the present invention connection 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 further described.
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 the background monitoring workstation, remote station, bay device mainly comprises measure and control device, process layer equipment mainly comprises intelligent control unit, station level equipment, bay device and process layer equipment link together by station level network and process layer network, wherein, the background monitoring workstation, remote station is connected on the station level network, 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 by station level network 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 realized that be connected with the background monitoring workstation, 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.By the scheduling or the remote operation of centralized control center, issue guidance command by remote station, the logic determines by measure and control device realizes long-range anti-misoperation locking.
Intelligent control unit in the process layer equipment is made 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; what programmable logic cells adopted is the EPL3128 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) by switching controls handgrip (SK), remote control and is divided operator that (HA/FA), interlocking contact (LS) and release contact (JS) are connected and composed, as shown in Figure 3.Two output terminals of switching controls handgrip (SK) are left contact (YK) and are divided operator that (HA/FA) is connected with remote control respectively, two docking points that 1. 2. and 5. 6. switch handgrip among the figure for this, when the SK handgrip places a distant place, contact is 1. 2. for connecting, by 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 just can issue remote control and make intelligent control unit after measure and control device anti-misoperation locking logic determines, and two output terminal is connected with combined floodgate control end and separating brake control end respectively; Closing the branch operator is (HA/FA) the local operation handgrip, two output terminal is 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, be implemented in line traffic control connection blocking, 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 by station level network and process layer network transmission locking information.Ground floor is that station level is anti-error, realize 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 by after can operate, after the simulation preview is all judged by real-time anti-misoperation locking logic rules and is correct, could transfer practical operation to 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, stride switch tool positional information at interval by measure and control device by the collection of GOOSE interactive information, obtain 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, and real-time judge institute control operation point joins 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 by the contact of leaving of I/O plate; During local operation, the connection blocking information of operand is provided by interval anti-misoperation locking logic determines result, control 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.
The operation control of this three-layer synchronous anti-error locking system comprises following three kinds of modes:
1. the scheduling or the remote operation of centralized control center (control is in scheduling or centralized control center)
Send out the control order by telecontrol channel and give remote station in the station scheduling or centralized control center, remote station will be controlled order and be transmitted to corresponding measure and control device, measure and control device carries out reference mark connection 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 distant place, centralized control center.
2. monitor backstage remote operation (control is at the station end)
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, carry 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 connection 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; 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, this interlocking contact (LS) is subjected to the control of measure and control device connection blocking, during this control point release, this interlocking contact (LS) is connected, otherwise this contact is opened, and has disconnected 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; every other embodiments that drawn by those skilled in the art's technical scheme according to the present invention belong to the scope of protection of the invention equally.
Claims (4)
1, a kind of online three-layer synchronous anti-error locking system, comprise the background monitoring workstation, remote station, measure and control device and intelligent control unit, the background monitoring workstation, remote station is 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, it is characterized in that: the background monitoring workstation is connected by the station level network with measure and control device and realizes the synchronous of anti-misoperation locking logical block, and intelligent control unit is also installed an anti-misoperation locking contact control panel by measure and control device control.
2; online three-layer synchronous anti-error locking system according to claim 1; it is characterized in that: described intelligent control unit is by microprocessor; programmable logic cells; the fiber optic Ethernet module; photoelectrical coupler; the exit relay module; the locking outlet loop; the remote control outlet loop; the protection trip(ping) circuit constitutes; 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 respectively with photoelectrical coupler; the exit relay module is connected; the input end of photoelectrical coupler is connected with switchgear; exit relay module output terminal respectively with the locking outlet loop; the remote control outlet loop; the protection trip(ping) circuit is connected, and the locking outlet loop is built-in with anti-misoperation locking contact control panel.
3, online three-layer synchronous anti-error locking system according to claim 2, it is characterized in that: described anti-misoperation locking contact control panel is by switching controls handgrip (SK), contact (YK) is left in remote control, close the branch operator (HA/FA), interlocking contact (LS) and release contact (JS) connect and compose, two output terminals of switching controls handgrip (SK) are left contact (YK) with remote control respectively, closing the branch operator is connected (HA/FA), two output terminals that contact (YK) is left in remote control are connected with combined floodgate control end and separating brake control end respectively, close the branch operator two output terminals of (HA/FA) respectively with 2 distich interlocking points (LS), release contact (JS) is connected, interlocking contact (LS), release contact (JS) is connected with combined floodgate control end and separating brake control end respectively.
4, online three-layer synchronous anti-error locking system according to claim 2, it is characterized in that: what described microprocessor adopted is the MPC8313 chip, what described programmable logic cells adopted is the EPL3128 chip, and what described fiber optic Ethernet module adopted is the HFBR5961 module.
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102157983A (en) * | 2011-04-01 | 2011-08-17 | 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 |
| CN102769278A (en) * | 2012-08-14 | 2012-11-07 | 国电南瑞科技股份有限公司 | Layering protective system |
| CN103151842A (en) * | 2013-03-18 | 2013-06-12 | 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 |
| CN106532927A (en) * | 2015-09-15 | 2017-03-22 | 珠海优特电力科技股份有限公司 | Error locking preventing system of transformer substation |
| CN106709580A (en) * | 2017-01-13 | 2017-05-24 | 国家电网公司 | Substation secondary system operation and maintenance cloud platform |
| CN109542013A (en) * | 2018-12-06 | 2019-03-29 | 国网江苏省电力有限公司连云港供电分公司 | The parallel electrical anti-misoperation locking device of microcomputer |
| CN113241744A (en) * | 2021-06-09 | 2021-08-10 | 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 switch device in transformer substation |
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| CN101257224B (en) * | 2008-04-17 | 2011-01-12 | 国电南瑞科技股份有限公司 | Technique for realizing transforming plant anti mis-closedown function in transforming plant observe and control apparatus |
| CN101458505B (en) * | 2008-12-17 | 2012-01-18 | 国电南京自动化股份有限公司 | Full-station anti-mistaking closedown design method based on IEC61850 standard |
| CN101546922B (en) * | 2009-04-22 | 2011-09-07 | 西北电网有限公司 | Intelligent program-control error-locking prevention system based on integrated design for substations |
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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 |
| CN102157983A (en) * | 2011-04-01 | 2011-08-17 | 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 |
| CN102769278A (en) * | 2012-08-14 | 2012-11-07 | 国电南瑞科技股份有限公司 | Layering protective system |
| CN102769278B (en) * | 2012-08-14 | 2014-09-03 | 国电南瑞科技股份有限公司 | Layering protective system |
| CN103151842A (en) * | 2013-03-18 | 2013-06-12 | 国家电网公司 | Hierarchical protection control system facing regional power grid |
| 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 |
| CN106532927A (en) * | 2015-09-15 | 2017-03-22 | 珠海优特电力科技股份有限公司 | Error locking preventing system of transformer 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 |
| CN106709580A (en) * | 2017-01-13 | 2017-05-24 | 国家电网公司 | Substation secondary system operation and maintenance cloud platform |
| CN106709580B (en) * | 2017-01-13 | 2021-06-08 | 国家电网公司 | Transformer substation secondary system operation and maintenance cloud platform |
| CN109542013A (en) * | 2018-12-06 | 2019-03-29 | 国网江苏省电力有限公司连云港供电分公司 | The parallel electrical anti-misoperation locking device of microcomputer |
| 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 |
| CN113241744A (en) * | 2021-06-09 | 2021-08-10 | 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 switch device in transformer substation |
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