CN105334789A - Switching operation monitoring system for power distribution station - Google Patents
Switching operation monitoring system for power distribution station Download PDFInfo
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- CN105334789A CN105334789A CN201510856901.5A CN201510856901A CN105334789A CN 105334789 A CN105334789 A CN 105334789A CN 201510856901 A CN201510856901 A CN 201510856901A CN 105334789 A CN105334789 A CN 105334789A
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- switching operation
- module
- grid switching
- information
- distribution substation
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/048—Monitoring; Safety
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Supply And Distribution Of Alternating Current (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The invention relates to a switching operation monitoring system for a power distribution station. The switching operation monitoring system for the power distribution station comprises a locking device which is connected with a switch to acquire various information of the switch and can lock or unlock the switch and a monitoring device which can be connected with the locking device or a simulation system; the monitoring device comprises an information interaction module which can interact information or transmit a signal, a controller which is used for comparing the information or processing a received instruction and generating a corresponding output signal according to a comparison result or an instruction, a storage module which can import and store switching operation information from external equipment, an alarm module and a recording module; the information interaction module can be connected with the locking device and the simulation system, and the information interaction module, the storage module, the alarm module, the recording module are all connected with the controller. According to the switching operation monitoring system for the power distribution station, effective supervision can be effectively performed on all steps of switching operation, misoperation can be effectively prevented from occurring, and a guarantee is supplied to an operator for cultivating a good operation habit.
Description
Technical field
The present invention relates in power industry for monitoring the system of distribution substation's grid switching operation.
Background technology
In order to ensure the safety of distribution substation institute grid switching operation, power industry requires that staff needs executable operations supervisory institution when carrying out practical operation: before starting operation, first should carry out the property checked simulation preview on simulation drawing, operate after errorless again; During actual monitoring operation, operator operates under tutorial monitoring, must not have any operation behavior agreed to without guardian; Before every operation, should first checking apparatus title, numbering and position, perform monitoring during operation and to rehearse system, and should overall process recording.
During the power industry executable operations supervisory institution of current China most area, the simulation preview of operation generally is carried out on old-fashioned manual analog board, and the correctness previewing effect often can not be guaranteed.In the area that distribution technology is relatively flourishing, installed electronic simulation system in some distribution substations, the preview operation based on electronic simulation technology ensure that the correctness of preview.But in a prior art situation, the execution of each step of operation and guardianship system, depends on the consciousness of staff more.When staff carries out grid switching operation, only by preview of having supervised mutually each other, chant, rehearse, the flow process such as operation, lack the progressively realization of each flow process of effective compulsive measures specification.If the attitude absent-mindedness of staff in certain link, unconscious, executable operations supervisory institution in earnest, so will likely for distribution substation institute grid switching operation buries potential safety hazard, the risk of increase maloperation.Meanwhile, whether correctness, each step of grid switching operation of simulating preview operation cannot obtain effective management and control according to problems such as the order execution on grid switching operation bill.Therefore existing grid switching operation supervisory institution is because having lacked the measure of compulsive measures specification, will increase maloperation risk during practical operation.
Summary of the invention
The object of this invention is to provide a kind of to grid switching operation whole process carry out effective monitoring to avoid distribution substation's grid switching operation supervisory system of the risk that may occur.
For achieving the above object, the technical solution used in the present invention is:
A kind of distribution substation grid switching operation supervisory system, omnidistance for monitoring the grid switching operation carried out in distribution substation, described grid switching operation whole process comprises the simulation preview that utilizes simulation system to complete and operates in the actual monitoring of the enterprising line operate of switch, described distribution substation's grid switching operation supervisory system comprise be connected with described switch and obtain described switch various information and can locking or the blocking device of switch described in unlocking, the supervising device that can be connected with described blocking device or described simulation system;
Described supervising device comprise can the information interaction module of interactive information or transmission of signal, the instruction that receives for comparison information or process and according to comparison result or described instruction produce corresponding output signal controller, can import from external equipment and store memory module, alarm module, the recording module of grid switching operation information; Described information interaction module can be connected with described blocking device, described simulation system, and described information interaction module, described memory module, described alarm module, described recording module are all connected with described controller.
Described supervising device also comprises the human-computer interaction module be connected with described controller.
Described alarm module is audible and visual alarm module.
Described information interaction module is connected by the interface that can be switched on or switched off with described blocking device or described simulation system.
Described memory module is connected by USB interface with described external equipment.
Described blocking device comprises the electric latching module that the instruction of sending according to described controller produces locking or unlocking motion.
Described blocking device also comprises the mechanical latching module that can produce locking or unlocking motion.
Because technique scheme is used, the present invention compared with prior art has following advantages: use distribution substation of the present invention grid switching operation supervisory system, can effectively effectively supervise each step of grid switching operation, effectively can avoid the generation of maloperation, also provide safeguard for operating personnel cultivate excellent operation custom.
Accompanying drawing explanation
Accompanying drawing 1 is the structural representation of distribution substation of the present invention grid switching operation supervisory system.
Accompanying drawing 2 is distribution substation of the present invention grid switching operation supervisory system workflow diagram.
Embodiment
Below in conjunction with embodiment shown in the drawings, the invention will be further described.
Embodiment one: the grid switching operation carried out in distribution substation is omnidistance, generally includes the simulation utilizing simulation system to complete and previews and operate two parts in the actual monitoring of the enterprising line operate of switch.When carrying out simulation preview, operating personnel carry out simulated operation successively by the sequence of movement of grid switching operation bill defined on electronic simulation system, then actual monitoring operating process is entered, now, operating personnel and care provider complete respectively and chant instruction to be operated and after instruction to be operated of rehearsing, operating personnel just can carry out practical operation, and this process need is recorded.
As shown in Figure 1, a kind of distribution substation's grid switching operation supervisory system for monitoring the grid switching operation whole process of carrying out in above-mentioned distribution substation, comprises supervising device and blocking device two large divisions.
Blocking device can be to be operated with each switch be connected, it can obtain the various information of its that switch connected, and can locking or unlock this switch.When its latch switch, any operation cannot be carried out to switch, only have when unlock switch, can operate it.Usually, this blocking device comprises an electric latching module, and this electric latching module can produce locking or unlocking motion according to corresponding instruction.In addition, blocking device can also arrange the mechanical latching module that can produce locking or unlocking motion.
Supervising device can be connected with blocking device or simulation system, and it comprises information interaction module, controller, memory module, alarm module and recording module.Interactive module is used for interactive information or transmission of signal, and it is connected with blocking device or simulation system by the interface (as USB interface) that can be switched on or switched off.Information interaction module is also connected with controller, and controller is used for instruction that comparison information or process receive and produces corresponding output signal according to comparison result or instruction.Memory module is connected with controller, and can be connected with external equipment by USB interface, thus can import from external equipment and store grid switching operation information.Alarm module is connected with controller, usually adopts audible and visual alarm module.Recording module is also connected with controller, for recording and stored sound.Supervising device can also comprise the human-computer interaction module be connected with controller.
As shown in Figure 2, the use procedure of this distribution substation's grid switching operation supervisory system is as follows:
1, before carrying out grid switching operation, namely operating personnel are when filling in grid switching operation bill, grid switching operation information (comprising the station institute title, on off state, sequence of operation etc. of pre-operation) imported in the memory module of supervising device by external equipment (as computer).
2, rehearsal phase is simulated: operating personnel arrive in distribution substation institute, by supervising device with carry out simulating the electronic simulation system of previewing and be connected, the grid switching operation information imported in advance in memory module inputs to electronic simulation system through information interaction module, by electronic simulation system, the grid switching operation information stored in the grid switching operation information of its storage inside and memory module is compared, if comparison result is errorless, then can carry out simulation preview by electronic simulation system.If there is the information that comparison is wrong, then it sends signal through information interaction module to controller, and controller sends audible and visual alarm information at control alarm module, reminds operating personnel.Operating personnel check and after the item that corrects mistakes, can proceed next step operation.After electronic simulation system carries out simulation preview operation, information correct for simulated operation is sent to supervising device by electronic simulation system, and supervising device receives instruction, can unlock logic built instruction, and operating personnel can carry out ensuing practical operation.
3, actual operation phase: install blocking device before switch to be operated, this blocking device is by this circuit breaker lock.Before practical operation being carried out to a certain switch according to the order that grid switching operation bill specifies, the blocking device that supervising device is connected with this switch is connected, supervising device obtains this switch stored in blocking device information by information interaction module (comprises switch names, sequence of operation etc.), the relevant information of this switch stored in the information in blocking device and memory module is compared by controller, and whether all operations correctly complete before checking, if information matches and operate errorless before, then controller sends instruction and passes to blocking device through information interaction module, the instruction that blocking device is sent according to controller produces unlocking motion, switch is unlocked, the practical operation under guarding can be carried out after unblock.If there is any one incorrect or do not complete, the instruction that then blocking device is sent according to controller continues block action, ensuing operation cannot be completed, simultaneously alarm device send that alarm signal is checked to remind operating personnel to carry out, cross-check information and previous operation.Before carrying out practical operation, need operating personnel to open recording module and record, if recording module is not opened, then alarm module also can remind operating personnel to open recording, otherwise cannot carry out practical operation.In actual mechanical process, after operating personnel correctly, have not intactly operated a switch, supervising device will record the relevant information of this practical operation, and unlocks the logic built instruction of next step operation according to the regulation of grid switching operation bill.Repeat said process until all operations all completes.
In addition, the human-computer interaction module connected by controller, can realize the functions such as recording is listened to, operation information is reviewed.This human-computer interaction module comprises a display screen, by its can browse concrete some stations certain operation steps of certain switch, the information such as recording, running time of each operation can be adjusted.
Electronic simulation system, blocking device by distribution substation in 220V low-voltage alternating-current power.If stood, institute is because line fault causes 220V power loss, when making distribution substation's grid switching operation supervisory system cisco unity malfunction, can consider to adopt mechanical latching module, by be provided in distribution substation in mechanical key realize unlocking to operate.But the use of each mechanical key must carry out registration and explanation work, prevents abuse.
The distribution substation's grid switching operation supervisory system based on Power Electronic Technique that this programme provides, enforceablely can realize the monitoring of grid switching operation, its mandatory embodiment is that operating personnel must according to the executable operations content one by one of step operated by the distribution substation of specification, if jump item, wrong item, leak item operation, this system is by the catanator of locking respective switch, operating personnel cannot continue operation, prevent maloperation from occurring.So, this distribution substation grid switching operation supervisory system solve in grid switching operation may exist do not check station institute, switch position and title, do not do operation before preview, operation time do not record, contingent wrong item when operating, leak item, jump the problems such as item, by its achieve in the past operation in cannot effectively monitor operation personnel whether one by one performance specification operate problem, efficiently avoid the generation of maloperation, good operating habit can be cultivated for operating personnel.
Above-described embodiment, only for technical conceive of the present invention and feature are described, its object is to person skilled in the art can be understood content of the present invention and implement according to this, can not limit the scope of the invention with this.All equivalences done according to Spirit Essence of the present invention change or modify, and all should be encompassed within protection scope of the present invention.
Claims (7)
1. distribution substation's grid switching operation supervisory system, omnidistance for monitoring the grid switching operation carried out in distribution substation, described grid switching operation whole process comprises the simulation preview that utilizes simulation system to complete and operates in the actual monitoring of the enterprising line operate of switch, it is characterized in that: described distribution substation's grid switching operation supervisory system comprise be connected with described switch and obtain described switch various information and can locking or the blocking device of switch described in unlocking, the supervising device that can be connected with described blocking device or described simulation system;
Described supervising device comprise can the information interaction module of interactive information or transmission of signal, the instruction that receives for comparison information or process and according to comparison result or described instruction produce corresponding output signal controller, can import from external equipment and store memory module, alarm module, the recording module of grid switching operation information; Described information interaction module can be connected with described blocking device, described simulation system, and described information interaction module, described memory module, described alarm module, described recording module are all connected with described controller.
2. distribution substation according to claim 1 grid switching operation supervisory system, is characterized in that: described supervising device also comprises the human-computer interaction module be connected with described controller.
3. distribution substation according to claim 1 grid switching operation supervisory system, is characterized in that: described alarm module is audible and visual alarm module.
4. distribution substation according to claim 1 grid switching operation supervisory system, is characterized in that: described information interaction module is connected by the interface that can be switched on or switched off with described blocking device or described simulation system.
5. distribution substation according to claim 1 grid switching operation supervisory system, is characterized in that: described memory module is connected by USB interface with described external equipment.
6. distribution substation according to claim 1 grid switching operation supervisory system, is characterized in that: described blocking device comprises the electric latching module that the instruction of sending according to described controller produces locking or unlocking motion.
7. distribution substation according to claim 6 grid switching operation supervisory system, is characterized in that: described blocking device also comprises the mechanical latching module that can produce locking or unlocking motion.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510856901.5A CN105334789A (en) | 2015-11-30 | 2015-11-30 | Switching operation monitoring system for power distribution station |
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| CN201510856901.5A CN105334789A (en) | 2015-11-30 | 2015-11-30 | Switching operation monitoring system for power distribution station |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105795627A (en) * | 2016-05-31 | 2016-07-27 | 国网江西省电力公司南昌供电分公司 | Switching operation intelligent bracelet |
| CN108536042A (en) * | 2018-03-27 | 2018-09-14 | 许继电气股份有限公司 | A kind of HVDC transmission system alternating-current field sequence control method and device |
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| JP2014197750A (en) * | 2013-03-29 | 2014-10-16 | セイコーエプソン株式会社 | Frequency selection circuit, oscillator, electronic apparatus, mobile body, and operation method for frequency selection circuit |
| CN205210636U (en) * | 2015-11-30 | 2016-05-04 | 江苏省电力公司苏州供电公司 | Distribution substation switching operation monitored control system |
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2015
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Patent Citations (6)
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| CN101013635A (en) * | 2006-12-13 | 2007-08-08 | 淄博微联电子有限公司 | Intelligent remote control locking method and apparatus for preventing electric misoperation |
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| CN105795627A (en) * | 2016-05-31 | 2016-07-27 | 国网江西省电力公司南昌供电分公司 | Switching operation intelligent bracelet |
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Application publication date: 20160217 |
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