CN103309336B - Unlocking method of online substation five-prevention system - Google Patents
Unlocking method of online substation five-prevention system Download PDFInfo
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- CN103309336B CN103309336B CN201310245377.9A CN201310245377A CN103309336B CN 103309336 B CN103309336 B CN 103309336B CN 201310245377 A CN201310245377 A CN 201310245377A CN 103309336 B CN103309336 B CN 103309336B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
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- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Abstract
The invention discloses an unlocking method of an online substation five-prevention system. The unlocking method includes: when both five-prevention monitoring of the five-prevention master and interval five-prevention of the measurement and control device fail, operation tickets are pre-written into the computer key by the five-prevention master, and the computer key is used to unlock the offline lock which is parallelly connected with the online locking connection of the field device according to the sequence of the operation tickets. The system and the unlocking method thereof have the advantages that mirrors in unlocking operation when online five-prevention fails can be avoided and reliability and safety in field operation are improved.
Description
Technical field
The present invention relates to the unlock method of the online five-preventing system of a kind of transformer station.
Background technology
The electric misoperation of electric system be threaten safe operation of power system the accident that takes place frequently, large-area power-cuts may be caused, power equipment damages, system break-down, even human casualty accident.
The current way of the online five-preventing system of intelligent substation differs, some employing temperature survey by c omputer, the online five-preventing system of some employings, but under the intelligentized situation of intelligent substation component height, online five-preventing system simplifies five-prevention operation step, improve the anti-error level of operation and operating efficiency, become trend and the important component part of intelligent substation development.Five anti-main frames and lockset are coupled together by fieldbus by existing online five-preventing system, possess the Real-time Collection function of lockset blocking and equipment state.But so online five-preventing system comparatively relies on network operation state, when measure and control device, network failure, online five anti-inefficacies, need when urgent compulsive unlocking operates on the spot, and such compulsive unlocking operation cannot be anti-error.Because emergency operation is on the spot often by the impact of operator's technical merit and psychological quality, on-the-spot familiarity, in unblock situation, anti-errorly the larger person and device security hidden danger cannot will be there is.
Summary of the invention
Based on this, the invention reside in the defect overcoming prior art, provide the unlock method of the online five-preventing system of a kind of transformer station, this unlock method can when online five anti-inefficacy, and what realize on unlocking operation is anti-error, improves reliability and the security of execute-in-place.
Its technical scheme is as follows:
The unlock method of the online five-preventing system of a kind of transformer station, the method is: when preventing all losing efficacy in monitoring five interval five that is anti-and measure and control device of five anti-main frames, by five anti-main frames to computer key write operation ticket in advance, the off-line lockset that computer key is in parallel according to operation order order pair and the online locking contact of field apparatus unlocks.
According to operating standard and operation custom, when described monitoring five is anti-and the anti-inefficacy in interval five, i.e. station level, during the online five anti-inefficacy of wall, operations staff can not carry out unlocking operation on observing and controlling screen or measure and control device, remote operation unlocks nonsensical, now need directly to go to on-the-spot local operation, because the online locking contact of field apparatus is parallel with off-line lockset, then off-line lockset is unlocked according to operation order by computer key, the requirement of five prevention logic can be met, thus, during online five anti-inefficacy, what still can realize on unlocking operation is anti-error, improve reliability and the security of execute-in-place.
Above-mentioned monitoring five is anti-to be specially: when the online five-preventing system of whole transformer station can normally run, five anti-main frames are by the state of measure and control device collection site equipment, and automatically issue telecommand according to the progress of operation order, control the closed and disconnected of online locking contact, realize monitoring five and prevent.
Above-mentioned interval five is anti-to be specially: when anti-inefficacys of the monitoring five of five anti-main frames, by measure and control device according to its built-in logical table and the field equipment state that collects, initiatively closed or disconnect the online locking contact of field apparatus, realizes interval five anti-.
Further, micro_computer five_proof functional module is integrated with in described five anti-main frames, this micro_computer five_proof functional module sends this operation order to computer key after generating run ticket, computer key then unlocks described off-line lockset according to operation order, and relevant operation information is returned to described micro_computer five_proof functional module by this computer key after carrying out the operation unlocked.Thus, the online five-preventing system of described transformer station is actually and combines online five-preventing system and temperature survey by c omputer, when online five anti-inefficacy, realizes unlocking operation by the mode of micro_computer five_proof, can reduce the person that maloperation causes and equipment damage.Wherein, described micro_computer five_proof functional module in fact includes corresponding five anti-software and hardwares.
Further, the logic discharging online locking contact is provided with in the five prevention logic of described five anti-main frames and measure and control device, when computer key carries out the operation unlocked, five anti-main frames and measure and control device discharge online locking contact and allow computer key to carry out unlocking operation.Then by arranging the online locking contact logic of release, can parasitic loop be prevented, and computer key can be enable to perform unlocking operation smoothly, ensure that the reliability of operation.
The present invention also provides a kind of transformer station online five-preventing system, comprise five anti-main frames, measure and control device, computer key, off-line lockset and field apparatus, described five anti-main frames are connected with described measure and control device by fieldbus, measure and control device is then electrically connected with described field apparatus, field apparatus place has online locking contact, and online locking contact seals in the electrical wiring of equipment at the scene, described off-line lockset and online locking contact are in parallel, described computer key is connected with five anti-host communications, and this computer key can carry out unblock lock operation to off-line lockset.
The online five-preventing system of described transformer station ensure that above-mentioned unlock method can realize, thus when online five anti-inefficacy, and what still can realize on unlocking operation is anti-error, improves reliability and the security of execute-in-place.
Further, described five anti-main frames include micro_computer five_proof functional module, and described computer key is connected with the communication of micro_computer five_proof functional module.This micro_computer five_proof functional module can be previewed the operation order opened, and sends computer key to after generating electronic operational ticket; Communication between computer key with micro_computer five_proof functional module is connected can be set up by transmission adaptor.
Further, described five anti-main frames and measure and control device are all built-in with five prevention logic, the logic discharging online locking contact is provided with in this five prevention logic, make when computer key carries out the operation unlocked, five anti-main frames and measure and control device discharge online locking contact and allow computer key to carry out unlocking operation.Thus, can guarantee that computer key carries out the reliability of unlocking operation.
Further, described field apparatus is switch, disconnecting link, online five anti-locksets maybe can return online locking connecting point position net door, ground wire equipment.
Further, described off-line lockset is direct current gas lock.
Beneficial effect of the present invention is: the online five-preventing system of described transformer station and unlock method thereof prevent online five and micro_computer five_proof combines, make when online five anti-inefficacy, the unblock realized the off-line lockset be connected in parallel on online locking contact can be coordinated by micro_computer five_proof functional module and computer key, thus the online five-preventing system of described transformer station and unlock method thereof can to realize in case of emergency unlocking operation anti-error, be conducive to the safety and reliability improving execute-in-place.
Accompanying drawing explanation
Fig. 1 is the general structure schematic diagram of the online five-preventing system of transformer station described in the embodiment of the present invention.
Description of reference numerals:
10, five anti-main frames, 20, measure and control device, 30, computer key, 40, field apparatus, 50, online locking contact, 60, off-line lockset, 70, fieldbus.
Embodiment
Below embodiments of the invention are described in detail:
As shown in Figure 1, the online five-preventing system of a kind of transformer station, comprise five anti-main frames 10, measure and control device 20, computer key 30, off-line lockset 60 and field apparatus 40, described five anti-main frames 10 are connected with described measure and control device 20 by fieldbus 70, measure and control device 20 is electrically connected with described field apparatus 40, field apparatus 40 place has online locking contact 50, and online locking contact 50 seals in the electrical wiring of equipment 40 at the scene, described off-line lockset 60 is in parallel with online locking contact 50, described computer key 30 is connected with five anti-main frame 10 communications, and this computer key 30 can carry out unblock lock operation to off-line lockset 60.
Wherein, described five anti-main frames 10 include micro_computer five_proof functional module, and described computer key 30 is connected with the communication of micro_computer five_proof functional module.Described five anti-main frames 10 and measure and control device 20 are all built-in with five prevention logic, the logic discharging online locking contact 50 is provided with in this five prevention logic, make when computer key 30 carries out the operation unlocked, five anti-main frames 10 and measure and control device 20 discharge online locking contact 50 and allow computer key 30 to carry out unlocking operation.Described field apparatus 40 is switch, disconnecting link, online five anti-locksets maybe can return to online locking contact 50 position net door, ground wire equipment.Described off-line lockset 60 can be direct current gas lock or electric puzzle lock etc.Above-mentioned monitoring five is anti-to be specially: when the online five-preventing system of whole transformer station can normally run, five anti-main frames 10 are by the state of measure and control device 20 collection site equipment 40, and automatically issue telecommand according to the progress of operation order, control the closed and disconnected of online locking contact 50, realize monitoring five and prevent.Above-mentioned interval five is anti-to be specially: when the anti-inefficacy of the monitoring five of five anti-main frames 10, by measure and control device 20 according to its built-in logical table and field apparatus 40 state collected, initiatively close or disconnect the online locking contact 50 of field apparatus 40, realize interval five and prevent.
The present embodiment also provides the unlock method of the online five-preventing system of a kind of transformer station, the method is: when preventing all losing efficacy in monitoring five interval five that is anti-and measure and control device 20 of five anti-main frames 10, by five anti-main frames, 10 pairs of computer keys 30 write operation ticket in advance, the off-line lockset 60 that computer key 30 is in parallel according to the online locking contact 50 of operation order order pair and field apparatus 40 unlocks.
Further, micro_computer five_proof functional module is integrated with in described five anti-main frames 10, this micro_computer five_proof functional module sends this operation order to computer key 30 after generating run ticket, computer key 30 unlocks described off-line lockset 60 according to operation order, and relevant operation information is returned to described micro_computer five_proof functional module by this computer key 30 after carrying out the operation unlocked.
Further, the logic discharging online locking contact 50 is provided with in the five prevention logic of described five anti-main frames 10 and measure and control device 20, when computer key 30 carries out the operation unlocked, five anti-main frames 10 and measure and control device 20 discharge online locking contact 50 and allow computer key 30 to carry out unlocking operation.
The present embodiment has the following advantages or principle:
1, the online five-preventing system of described transformer station and unlock method thereof prevent online five and micro_computer five_proof combines, make when online five anti-inefficacy, the unblock realized the off-line lockset 60 be connected in parallel on online locking contact 50 can be coordinated by micro_computer five_proof functional module and computer key 30, thus the online five-preventing system of described transformer station and unlock method thereof can to realize in case of emergency unlocking operation anti-error, be conducive to the safety and reliability improving execute-in-place.
2, the online five-preventing system of the transformer station described in the present embodiment is only integrated with the off-line lockset 60 such as micro_computer five_proof functional module and direct current gas lock in existing online five-preventing system, realizes simple, does not increase secondary circuit complexity, realize cost low.
3, be integrated with micro_computer five_proof functional module in five described anti-main frames 10, this micro_computer five_proof functional module can be previewed the operation order opened, and sends computer key 30 to after generating electronic operational ticket; Communication between computer key 30 with micro_computer five_proof functional module is connected can be set up by transmission adaptor.Thus, the online five-preventing system of described transformer station is actually and combines online five-preventing system and temperature survey by c omputer, when online five anti-inefficacy, realizes unlocking operation by the mode of micro_computer five_proof, can reduce the person that maloperation causes and equipment damage.Wherein, described micro_computer five_proof functional module has comprised corresponding five anti-software and hardwares.
4, be provided with the logic discharging online locking contact 50 in five described anti-main frames 10 and the five prevention logic of measure and control device 20, then can prevent parasitic loop, and make computer key 30 can perform unlocking operation smoothly, ensure that the reliability of operation.
The above embodiment only have expressed the specific embodiment of the present invention, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.
Claims (3)
1. the unlock method of the online five-preventing system of transformer station, it is characterized in that, when preventing all losing efficacy in monitoring five interval five that is anti-and measure and control device of five anti-main frames, by five anti-main frames to computer key write operation ticket in advance, the off-line lockset that computer key is in parallel according to operation order order pair and the online locking contact of field apparatus unlocks.
2. the unlock method of the online five-preventing system of transformer station according to claim 1, it is characterized in that, micro_computer five_proof functional module is integrated with in described five anti-main frames, this micro_computer five_proof functional module sends this operation order to computer key after generating run ticket, computer key then unlocks described off-line lockset according to operation order, and relevant operation information is returned to described micro_computer five_proof functional module by this computer key after carrying out the operation unlocked.
3. the unlock method of the online five-preventing system of transformer station according to claim 1, it is characterized in that, the logic discharging online locking contact is provided with in the five prevention logic of described five anti-main frames and measure and control device, when computer key carries out the operation unlocked, five anti-main frames and measure and control device discharge online locking contact and allow computer key to carry out unlocking operation.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310245377.9A CN103309336B (en) | 2013-06-19 | 2013-06-19 | Unlocking method of online substation five-prevention system |
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| CN201310245377.9A CN103309336B (en) | 2013-06-19 | 2013-06-19 | Unlocking method of online substation five-prevention system |
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| CN103309336A CN103309336A (en) | 2013-09-18 |
| CN103309336B true CN103309336B (en) | 2015-06-17 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105701883B (en) * | 2014-11-25 | 2020-02-11 | 都匀供电局 | Method for improving operation reliability of power station electrical equipment and linkage interface |
| CN105739405A (en) * | 2014-12-11 | 2016-07-06 | 珠海优特电力科技股份有限公司 | Vehicle depot overhead contact system power outage and transmission process security supervision system and method |
| CN104734356B (en) * | 2015-03-18 | 2018-11-09 | 神华集团有限责任公司 | Control method, device and system for electrical equipment |
| CN105446202B (en) * | 2015-12-31 | 2018-11-30 | 国网浙江奉化市供电公司 | A kind of anti-control system of substation five |
| CN107509289A (en) * | 2017-08-18 | 2017-12-22 | 国网山东省电力公司淄博供电公司 | Anti-maloperation for Substation interval warning light and application method based on wireless network |
| CN109634173A (en) * | 2018-12-12 | 2019-04-16 | 广东电网有限责任公司 | A kind of spare anti-misoperation locking operating method |
| CN113725833B (en) * | 2021-08-31 | 2024-01-26 | 广东电网有限责任公司 | Five-prevention locking system of flexible direct-current power distribution network |
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| 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 |
| CN101776910A (en) * | 2010-01-19 | 2010-07-14 | 华北电网有限公司 | Integrated five-prevention operation ticket system-based substation programmed control system |
| CN203338098U (en) * | 2013-06-19 | 2013-12-11 | 中国能源建设集团广东省电力设计研究院 | On-line five-prevention system of transformer station |
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Address after: 510663 Luogang District, Guangdong, Guangzhou Science City Fung Road, No. 1, No. Applicant after: Company limited of China Energy Engineering Group Guangdong Electric Power Design Institute Address before: 510663 Luogang District, Guangdong, Guangzhou Science City Fung Road, No. 1, No. Applicant before: Guangdong Electric Power Design Institute of CEEC |
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Free format text: CORRECT: APPLICANT; FROM: CHINA ENERGY ENGINEERING GROUP GUANGDONG ELECTRIC POWER DESIGN INSTITUTE TO: CHINA ENERGY ENGINEERING GROUP GUANGDONG ELECTRIC POWER DESIGN INSTITUTE CO., LTD. |
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