CN202535165U - Remote-control throwing-withdrawing reclosing control apparatus - Google Patents
Remote-control throwing-withdrawing reclosing control apparatus Download PDFInfo
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- CN202535165U CN202535165U CN2012201363225U CN201220136322U CN202535165U CN 202535165 U CN202535165 U CN 202535165U CN 2012201363225 U CN2012201363225 U CN 2012201363225U CN 201220136322 U CN201220136322 U CN 201220136322U CN 202535165 U CN202535165 U CN 202535165U
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Abstract
A remote-control throwing-withdrawing reclosing control apparatus includes a reclosing control module and a reclosing throwing-withdrawing local/remote control module, wherein the reclosing control module is provided with a fourth pressing plate. An output terminal of the reclosing control module and an output terminal of the reclosing throwing-withdrawing local/remote control module are respectively connected with two input terminals of a second AND gate by correspondingly changing starting logic of the reclosing. An output terminal of the second AND gate is connected with the fourth pressing plate. A first output signal sent by the fourth pressure plate realizes control of the reclosing action. The remote-control throwing-withdrawing reclosing control apparatus provided by the utility model can realize remote control of throwing and withdrawing of reclosing of microcomputer-type protection devices and raise security and stability of electric network systems.
Description
Technical field
The utility model relates to the power grid control field, is specifically related to a kind of remote control and throws the device that moves back reclosing control.
Background technology
Security regulations during for the variation of the operational mode that adapts to electrical network and line work, the operational mode of distribution line often need change as required.Therefore, the circuit reclosing also often needs transition state thereupon, drops into or withdraws from.At present, area, PVG transformer station is unattended station basically, and the throwing of circuit reclosing function is moved back by the operation personnel and accomplished.Because the Pudong District region is wide, transformer station distributes everywhere, and manually reclosing is thrown to move back and taken a large amount of personnel and vehicle resources.Therefore, how effectively to reduce reclosing and throw the workload when moving back operation, alleviate operation personnel's work load, become problem demanding prompt solution in the operational management work.
At present, reclosing is thrown the work of moving back and is mainly moved back the realization of reclosing function pressing plate through throwing manually.When the reclosing function of circuit need drop into or withdraw from, the operations staff will arrive the pressing plate of execute-in-place protective device, the labor manpower and materials, and the deadline is also longer relatively.
Existing research of throwing aspect moving back in remote control is primarily aimed at electromagnetic type protection loop; Adopt two-position relay to cooperate the circuit reclosing is carried out locking and release with telemechanical RTU; But the research to as the microcomputer type protective device of mainstream applications is very few, and is also perfect not to the utmost for the monitoring means of the state of reclosing outlet loop.Meanwhile, relate to a plurality of departments such as operation maintenance and dispatching automation because the realization of moving back the reclosing function is thrown in remote control, the linked groups's Study on Measures in its operation also is a blank that urgent need is filled up.
At present, for 10 kilovolts of outlet protections of microcomputer type, the most representative is the microcomputer protecting device of SEL 351 series.As shown in Figure 1, SEL 35151 type protective device reclosing logic Starting mode are: moved by protection component and start the reclosing element, combine the circuit breaker position condition to judge simultaneously, when circuit breaker was in the branch position, relay contacts was closed.That is, protection component provides starting recloser logical signal 79RI1 to reclosing element 79IO1, and the output of reclosing element 79IO1 is connected to and door COLSE; Circuit breaker is through a level amount input terminal IN102 input circuit breaker position amount of logic 52A of protective device, and this amount of logic 52A negate exports to said and a door COLSE; Should be connected to one the 4th pressing plate LP4 with the output of door COLSE, and then move back through the throwing of the 4th pressing plate LP4 realization reclosing function.
Yet, need the relaying protection personnel to accomplish to the modification of said apparatus internal module function, and equally need be to break off the reclosing pressing plate as obvious cut-off point, related process is loaded down with trivial details relatively.Simultaneously, by relevant regulations,, therefore, can impact the power supply reliability index to the amended microcomputer type protective device of the adjusting test that to have a power failure.Take all factors into consideration above reason, in actual moving process, usually carry out the input of reclosing pressing plate to the scene or withdraw from by the member of operation class.When reclosing transfers to when stopping using, break off pressing plate in flakes after, also need add inactive indication plate at incision position, show equipment state.Said process all needs personnel to operate to the scene.
It is thus clear that reclosing is thrown the technology of moving back under the prior art has following shortcoming:
1, it is not good that operating efficiency is moved back in the reclosing throwing: move back because the loop of relaying protection and automatics still adopts the mode of hard pressing plate (being brace LP) to throw; Fail to realize straighforward operation; When mode is adjusted, when line live-line work or channel abnormal; The on-the-spot execution of unattended substation of all need sending someone thrown the operation of moving back hard pressing plate, and the operation task that these are simple and frequent not only makes the attended operation team member tired in hurrying back and forth; And, increased system's unsafe factor because of the influence of road, traffic causes the time of complete operation task longer relatively;
2, lack the reclosing throwing and move back the status remote monitoring means: at present; Throw the state that moves back for 35 kilovolts of Pudong Districts and following route protection reclosing function; Complex automatic system is not carried out this semaphore collection to it; Therefore no matter be that scheduling station end or comprehensive automation background computer all can't be monitored it, only rely on on-the-spot reclosing to throw and move back pressing plate as distinctive marks, be unfavorable for inquiring about in time;
3, be unfavorable for reasonable resources configuration: in view of the climate characteristic in area, Shanghai, June to September is when being concentrated phase of typhoon thunderbolt, again at a time when peak of power consumption is that annual network load is the heaviest, and the season that repairing strength is the weakest relatively.And during this period, reclosing is thrown the work of moving back and has been disperseed a large amount of original nervous relatively repairings operation strength, and the safety and stability of electrical network is caused a hidden trouble;
4, increase the safety in production uncertain factor: the fatigue operation that the additional workload that causes because of various force majeure possibly cause; Improved operating personnel's work risk greatly; In addition, focus mostly in thunderstorm weather because reclosing is thrown the work of moving back, during the road traffic situation relatively more nervous mostly; Operating personnel frequently hurry back and forth between a plurality of transformer stations, and the possibility that the traffic safety accident takes place is significantly increased.
The utility model content
The purpose of the utility model provides a kind of remote control and throws the device that moves back reclosing control; Through reclosing enable logic and protection system external loop are carried out corresponding change: set up overlap to throw move back that remote control port and reclosing throwing move back on the spot/distant place function; Realize long-range microcomputer type protective device reclosing being thrown the control of moving back, improve the network system fail safe.
In order to achieve the above object, the technical scheme of the utility model provides a kind of remote control and throws the device that moves back reclosing control, and said control device comprises a reclosing control module and a reclosing throwing is moved back on the spot/distant place control module; The output of said reclosing control module is thrown with said reclosing and to be moved back on the spot/output of distant place control module, be connected to respectively second with two inputs of door; Said second is connected one the 4th pressing plate with the output of door, realizes that through the first output signal that said the 4th pressing plate provides reclosing moves.
Said reclosing throws and moves back on the spot/distant place control module in, be provided with rest-set flip-flop, the 3rd with door and the 4th with door; Wherein, outside remote control pulse input end through the said the 3rd, the 4th with door, be connected to the set end S end and the reset terminal R end of said rest-set flip-flop respectively;
From the output Q of said rest-set flip-flop end draw a road be connected directly to the said the 4th with the input of door, another road of drawing then negate be connected to the said the 3rd with the input of door.
Said reclosing throws and moves back on the spot/distant place control module in, also be provided with the 5th with door, reverse swing door and one or;
The output Q of said rest-set flip-flop end, also be connected to the said the 5th with the input of door; One second input terminal of outside microcomputer protecting device, be connected to the said the 5th with another input of door;
The output signal of said second input terminal also further is connected to input said or door through said reverse swing door; The said the 5th is connected to another input said or door with the output of door, comes the reclosing of indication device to drop into exit status through output signal said or door, with output signal said or door also be connected to said second with first input of door.
In the said switch-on controlling module, be provided with reclosing element and one first and door;
The starting recloser logical signal that outside protection component provides inputs to said reclosing element, the output of said reclosing element be connected to said first with the input of door;
Outside circuit breaker, the amount of logic of the first input end input circuit breaker position through outside microcomputer protecting device, this amount of logic) export to after the negate said first with another input of door;
Said first with the door output be connected to said second with the door second input, by said first with the door the output signal represent whether reclosing is in starting state.
Compared with prior art, the device that moves back reclosing control is thrown in the said remote control of the utility model, and its advantage is: in the utility model through the reclosing enable logic is carried out corresponding change; Have a distant place and reclosing controlled function on the spot, realization can directly be thrown the remote control reclosing in the distance and moved back control, reduces the time of operation task; Can in time monitor the operating state of reclosing, the fail safe that has improved system, the remote control reclosing is thrown and is moved back; Can save personnel's workload, guarantee to share operating personnel's work, confirm that the staff can in time carry out more urgent electric network fault and get rid of in the time that takes place frequently with electric fault; Improve the stability of network system; Also reduce simultaneously the possibility of operating personnel's weariness workings, avoided operating personnel to draw fatigue and cause security incident, improved operating personnel's job security.
Description of drawings
Fig. 1 is the starting recloser logic diagram of microcomputer type protective device in the prior art;
Fig. 2 is the starting recloser logic diagram that the device that moves back reclosing control is thrown in the said remote control of the utility model.
Embodiment
As shown in Figure 2, protection component in the utility model, reclosing element 79IO1, circuit breaker and first and the annexation of door COLSE and the corresponding device basically identical among Fig. 1.See among Fig. 2 that shown in the dotted portion, protection component provides starting recloser logical signal 79RI1 to reclosing element 79IO1, the output of reclosing element 79IO1 be connected to first with a door COLSE; The sub-IN102 input of the first input end of circuit breaker through microcomputer protecting device circuit breaker position amount of logic 52A, this amount of logic 52A negate export to said first with a door COLSE; This first with the door COLSE output be connected to one second with the door, by first with the door COLSE the output signal represent whether reclosing is in starting state.
Simultaneously; Remote control pulse input end RB1 through the 3rd, the 4th with the door; Be connected to the set end S end and the reset terminal R end of rest-set flip-flop respectively, the output Q of rest-set flip-flop hold one the tunnel be connected directly to the 4th with the input of door, another road negate be connected to the 3rd with the input of door; And, the output Q of rest-set flip-flop end also with one second input terminal IN206 of microcomputer protecting device, be connected to together one the 5th with door; The output of the said second input terminal IN206 through a reverse swing door after; With the said the 5th with the door output be connected to same or the door; Should or the output signal LT1 of door drop into exit status in order to the reclosing of indication device, this signal LT1 also be connected to above-mentioned second with door.
Said second with the output of door through being connected the 4th pressing plate LP4, provide the first output signal by the 4th pressing plate LP4, the realization reclosing moves when this signal is output as high level.Also export one tunnel second output signal LT6 in addition from said second with the output of door.
According to the utility model increase part beyond the dotted line in Fig. 3, can access input and output logic scale as shown in table 1, be summarized as follows:
| Status Type | IN206 | RB1 | LT1 | State |
| I | 0 | 0 | 1 | On the spot |
| II | 0 | 1 | 1 | On the spot |
| III | 1 | 0 | 0 | A distant place is withdrawed from |
| IV | 1 | 1 | 1 | Drop in a distant place |
Table 1 input and output logic scale
For dotted portion among Fig. 2, when circuit normally moved, protection component was failure to actuate, and starting recloser logical signal 79RI1 puts low level, reclosing element 79IO1 do not start and export 0 to first with the door CLOSE; Set circuit breaker and be output as high level when closing, then circuit breaker position amount of logic 52A puts 1, again negate export to first with door CLOSE after, by first with a door CLOSE output low level, do not have remote control this moment and throw and move back pulse and export.
And when the circuit failed because, protection component action makes its switch trip, and starting recloser logical signal 79RI1 puts high level, reclosing element 79IO1 start and export 1 to first with a door CLOSE; Protection component action, and circuit breaker is for dividing the position, circuit breaker position amount of logic 52A puts 0, negate be connected to first with door CLOSE after, first with a door CLOSE output high level.
Carrying out reclosing with the input signal of the second input terminal IN206 throws and moves back the distant place of operation, selects on the spot: shown in the state I of table 1, II; If dispose 0 at this terminal IN206; System moves back for throwing on the spot; The amount of logic of second input terminal IN206 input is through reverse swing door, makes or the output signal LT1 of door often puts 1, and can not constitute influence by the counterweight closing circuit this moment.The throwing of reclosing function is moved back still and is realized through the 4th pressing plate LP4.
Shown in the state I II of table 1, IV, if the second input terminal IN206 disposes at 1 o'clock, system is that a distant place is thrown and moved back, at this moment; Shown in the state I V of table 1, if remote control pulse input end RB1 input high level 1, warp the 3rd, the 4th and door; Make the set end S end of rest-set flip-flop put 1, reset terminal R end puts 0, and the output Q end of rest-set flip-flop puts 1; Then the reclosing remote control drops into, an output warp the 5th that the second input terminal IN206 and Q hold and a door output high level, and a warp or an output LT1 are 1 again; The reclosing function drops into, and first has high level to export with door CLOSE can send closing pulse, starts closing circuit switch is closed a floodgate.
Shown in the state I II of table 1, if remote control pulse input end RB1 input low level 0, the set end S end of rest-set flip-flop puts 0, output Q end output 0, and then this moment, the reclosing remote control was withdrawed from, or the output signal LT1 of door puts 0, the locking of starting recloser loop.
Need to prove; First to the 5th and door mentioned above; And or logic elements such as door, reverse swing door, rest-set flip-flop, the circuit that can adopt transistor etc. to be connected to form is realized, also can is in several PLC Programmable Logic Controllers, to realize with corresponding logical program.
In a kind of preferred embodiment, reclosing element 79IO1 mentioned above is the inner integration module of a microcomputer protecting device K500 (for example being the SEL35151 type), and IN102 and IN101 are two input terminals of this microcomputer protecting device K500.And circuit breaker is the switch motion mechanism of a NXACT type being connected with this microcomputer protecting device K500 circuit, and protection component then is devices such as several voltage switches of being connected with the switch motion mechanism and/or the microcomputer protecting device K500 circuit of NXACT type, air switch.Remote control is thrown and is moved back the complex automatic system of pulse from the outside, and the 4th pressing plate LP4 is the pressing plate that control is moved back in the original protection screen reclosing function throwing that has been provided with, and also is total pressing plate of reclosing function in the said system of the utility model.The realization reclosing is thrown and is moved back the module of distant place control on the spot in the utility model; Can be one the 6th pressing plate that is connected with the second input terminal IN206 of said microcomputer protecting device K500: when said the 6th pressing plate closes; The control whole system is the remote control state, and system is the Work in Place state during disconnection.
Although the content of the utility model has been done detailed introduction through above-mentioned preferred embodiment, will be appreciated that above-mentioned description should not be considered to the restriction to the utility model.After those skilled in the art have read foregoing, for the multiple modification of the utility model with to substitute all will be conspicuous.Therefore, the protection range of the utility model should be limited appended claim.
Claims (4)
1. the device that moves back reclosing control is thrown in a remote control, it is characterized in that, said control device comprises a reclosing control module and a reclosing throwing is moved back on the spot/distant place control module; The output of said reclosing control module is thrown with said reclosing and to be moved back on the spot/output of distant place control module, be connected to respectively second with two inputs of door; Said second is connected one the 4th pressing plate (LP4) with the output of door, realizes that through the first output signal that said the 4th pressing plate (LP4) provides reclosing moves.
2. the device that moves back reclosing control is thrown in remote control according to claim 1, it is characterized in that,
Said reclosing throws and moves back on the spot/distant place control module in, be provided with rest-set flip-flop, the 3rd with door and the 4th with door;
Wherein, outside remote control pulse input end (RB1) through the said the 3rd, the 4th with door, be connected to the set end S end and the reset terminal R end of said rest-set flip-flop respectively;
From the output Q of said rest-set flip-flop end draw a road be connected directly to the said the 4th with the input of door, another road of drawing then negate be connected to the said the 3rd with the input of door.
3. the device that moves back reclosing control is thrown in said remote control like claim 2, it is characterized in that,
Said reclosing throws and moves back on the spot/distant place control module in, also be provided with the 5th with door, reverse swing door and one or;
The output Q of said rest-set flip-flop end, also be connected to the said the 5th with the input of door; One second input terminal (IN206) of outside microcomputer protecting device, be connected to the said the 5th with another input of door;
The output signal of said second input terminal (IN206) also further is connected to input said or door through said reverse swing door; The said the 5th with the door output be connected to said or the door another input; Come the reclosing of indication device to drop into exit status through output signal (LT1) said or door, with output signal (LT1) said or door also be connected to said second with first input of door.
4. throw the device that moves back reclosing control like claim 1 or 3 said remote controls, it is characterized in that,
In the said switch-on controlling module, be provided with reclosing element (79IO1) and one first and door (COLSE);
The starting recloser logical signal (79RI1) that outside protection component provides inputs to said reclosing element (79IO1), the output of said reclosing element (79IO1) be connected to said first with the input of door (COLSE);
Outside circuit breaker, the amount of logic (52A) of first input end (IN102) the input circuit breaker position through outside microcomputer protecting device, export to after this amount of logic (52A) negate said first with another input of door (COLSE);
Said first with the door (COLSE) output be connected to said second with the door second input, by said first with the door (COLSE) the output signal represent whether reclosing is in starting state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201363225U CN202535165U (en) | 2012-03-31 | 2012-03-31 | Remote-control throwing-withdrawing reclosing control apparatus |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201363225U CN202535165U (en) | 2012-03-31 | 2012-03-31 | Remote-control throwing-withdrawing reclosing control apparatus |
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| CN202535165U true CN202535165U (en) | 2012-11-14 |
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| CN2012201363225U Expired - Lifetime CN202535165U (en) | 2012-03-31 | 2012-03-31 | Remote-control throwing-withdrawing reclosing control apparatus |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104113135A (en) * | 2014-05-16 | 2014-10-22 | 国家电网公司 | Accident transformer station interval fault rapid positioning method |
| CN106684812A (en) * | 2017-02-17 | 2017-05-17 | 国网山东省电力公司威海供电公司 | Device and method for achieving reclosing non-voltage check |
-
2012
- 2012-03-31 CN CN2012201363225U patent/CN202535165U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104113135A (en) * | 2014-05-16 | 2014-10-22 | 国家电网公司 | Accident transformer station interval fault rapid positioning method |
| CN106684812A (en) * | 2017-02-17 | 2017-05-17 | 国网山东省电力公司威海供电公司 | Device and method for achieving reclosing non-voltage check |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121114 |
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| CX01 | Expiry of patent term |