CN104318300A - Three-card-in-one based transformer substation tool management system and method - Google Patents
Three-card-in-one based transformer substation tool management system and method Download PDFInfo
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Abstract
The invention discloses a three-card-in-one based transformer substation tool management system and method. The management system comprises a RFID electronic tag for identifying uniqueness of cards, a portable RFID reader for reading information of three types of RFID electronic tag identification cards of transformer substation workers, temporary ground wires and temporary ground points, a fixed RFID reader for reading electronic tag information in the identification cards of the temporary ground wires; a Zigbee router and coordinator for achieving information transfer of the portable RFID readers and a control center, and the background control center for state display of the temporary ground wires of a transformer substation and alarm information processing and storage. The three-card-in-one based transformer substation tool management system and method can be applied to building of an intelligent power grid, can improve the management level of power enterprises, meanwhile can effectively and completely eradicate missed ground wire taking, missed ground wire dismounting, switching-on with the ground wires and other malignant misoperation accidents, guarantees the power grid, equipment and personal safety to the most extent and has high application value.
Description
Technical field
The present invention relates to transformer station, particularly relate to the transformer station's tool management system based on three engagings one and method.
Background technology
In transformer station, the state of personnel and some important safety Work tools has become key factor affect Utilities Electric Co.'s reliability service, because carelessness during person works, some Work tools are not dealt carefully with or Normalization rule and the accident that leads to happens occasionally.
For temporary ground wire, temporary ground wire is as the important safety instrument in transformer station, and installing temporary ground wire is the safe and reliable protective barrier of one of workmen in electric operating scene.In transformer station, the management of temporary ground wire is also an important link in examination, and scientific management also plays important effect for minimizing accident.What current China generally adopted in power engineering operation maintenance working-yard is check temporary ground wire by manual type, means are original, safety and inefficiency, cause misoperation faults such as " leakage are torn ground wire open, leaked and receive ground wire, switching on earth wire ", bring potential safety hazard.When workman overhauls electric field, first can cut off the power supply at station scene, be clipped on power equipment by one end of temporary ground wire afterwards, one end and grounded metal bolt are fixed in addition.Once overhaul, before field power supply is closed, the two ends of ground wire must be removed from power equipment and earth stud.If do not remove in time and power supply is closed a floodgate, electric power accident will be there is, cause irremediable loss.Therefore be necessary very much to adopt the mode of automatic management to carry out the duty of Real-time Collection ground wire, judge whether power supply has temporary ground wire to be timely dismounting before closing a floodgate.Along with the quickening of intelligent grid pace of construction, the degree of links informatization needs constantly to promote.And ground wire management is as important safety measure a kind of in Phase of Electric Power Projects operation, need to employ new technology, promote the automatic management level of ground wire.
Internet of Things is the emerging technology areas of IT industry circle, is with a wide range of applications, and is paid attention to gradually in intelligent grid construction.Complete perception, reliably transmission, Intelligent treatment are the technical characteristics of Internet of Things.Complete perception refers to utilize RFID, Quick Response Code, GPS, camera, sensor device, uses perception, to catch and the technological means such as measurement carries out information acquisition and acquisition to object whenever and wherever possible.Reliable transmission refers to the fusion by the communication networks such as communication network and internet, by object access information network, carries out reliable information interaction whenever and wherever possible and shares.Intelligent treatment refers to utilize the various Intelligent Computation Technology such as cloud computing, fuzzy diagnosis, carries out analyzing and processing, realize intelligentized decision-making and control to the cross-region of magnanimity, inter-trade, interdepartmental data and information.
At present, technology of Internet of things all achieves some achievements in research in power transmission and transformation equipment state monitoring, intelligent substation, intelligent meter data recording etc., and State Grid Corporation of China has carried or take part in the relevant national science and technology key special subjects of multinomial Internet of Things.As can be seen here, Internet of Things is the technical support that intelligent grid is built, although some technology of Internet of things is in the application stage at all too many levels of intelligent grid, as based on Internet of Things substation intelligent monitoring and supplementary controlled system (patent), internet-of-things intelligent transformer substation sensing interconnection system (patent), based on Internet of Things and kelvin effect power line-deicing implementation (patent) etc., also need to explore and carry out the applied research work of more technology of Internet of things at intelligent grid further.
Some units and mechanism have studied management technology of Internet of things RFID being used for transformer station's various aspects, as work of transformer substation staffing rfid card realizes work attendance, location etc.; Transformer station's visual plant is equipped with rfid card and is used for patrolling and examining; Important safety instrument is equipped with rfid card and is used for centralized management, but mostly from problem in a certain respect, cannot provide omnibearing solution.Three kinds of rfid cards establish one's own system, and respectively have the management system of oneself, establish one's own system, and cannot share information.Drawback is system duplicate construction, and system equipment can not interconnect and cause unnecessary waste.
Document is [based on the research of temporary ground wire orientation management system in the transformer station of RF I D technology, Guo Fangying, Li Ying, Yunnan Institute for nationalities's journal (natural science edition), in November, 2011] study temporary ground wire location in transformer station, can the centralized management of implementation tool, location in motion process and destination location, but roughly motion orientation can only be determined, accurately cannot judge temporarily line mounting position and state.
Document [transformer station's temporary ground wire on-line monitoring system, Huang Rui, Liang Qinglong, Zhang Baozhu, Huang Qiao, tech enterprises in China, 33 phases in 2010] research and utilization electronics button realizes transformer station's temporary ground wire on-line monitoring, but detailed description is not provided to equipment composition function module, device property and Selecting parameter, and different system module, different components have a significant impact to recognition effect, system works reliability tool.
Document [based on the intelligent tool cabinet management system of RFID, Jia Jingshan; Yin Shiyou; Deer show wind; China's collective economy, 25 phases in 2012] research based on the Managed Solution of the intelligent tool cabinet of RFID, the daily management problem of Work tool in power tool cabinet can only be solved.
Summary of the invention
For the shortcoming of above prior art, the invention provides a kind of transformer station's tool management system based on three engagings one and method.
Technical scheme of the present invention is as follows:
Based on the transformer station management system of three engagings one, this management system comprises:
RFID, has No. ID, uniqueness, is arranged in the tag card of work of transformer substation personnel, temporary ground wire and temporary grounding point, for identifying the uniqueness of card;
Portable RFID reader, reads the information in described work of transformer substation personnel, temporary ground wire and temporary grounding point three kinds of RFID;
Fixing RFID reader, is fixed in transformer station's Tool Cabinet, for reading the electronic labeling information in temporary ground wire tag card;
Zigbee router and telegon, for the multi-hop wireless networking of 2.4GHz industry open frequency range, realize the information transmission of Portable RFID reader and control center;
Background control center, receives the Card Reader information of Portable RFID reader and fixing RFID reader, and shows and alarm information processing retention the state of transformer station's temporary ground wire.
Further, described RFID comprises giver badge, temporary ground wire tool identification card or temporary grounding point device electronic tag.
Further, the display module that described Portable RFID reader comprises the first single chip control module and is connected respectively with this control module, Keysheet module, Zigbee terminal module, first RFID reader and the first power module, described Zigbee terminal module is connected by RS232 serial ports with between single chip control module; Connected by SPI interface between described RFID reader and single chip control module.
Further, the described fixing RFID reader RS485 module, the second RFID reader and the second source module that comprise second singlechip control module and be connected with this control module.
Based on the substation management method of three engagings one, the method comprises the steps:
1) label information of the temporary ground wire of Tool Cabinet is read by fixed reader;
2) by the information of the tag card of portable reader read work personnel, temporary ground wire label and temporary grounding point label;
3) the temporary grounding point of above-mentioned reading, temporary ground wire label information and staff identification's card information are analyzed, and send to control center by Zigbee wireless multi-hop network, the tag card information corresponding relation of interim temporary grounding point, ground wire label information and staff is judged by control center, if three card informations are corresponding consistent, then represent that temporary ground wire is by operated by personnel, and this operation occurs in relevant temporary grounding point;
4) if three card information correspondences are inconsistent, show do not have staff to be responsible for operation or unsuccessful in the operation of temporary grounding point to temporary ground wire, after certain time length, background control center sends information warning.
Further, in described step 1, the label information of the temporary ground wire of fixed reader reading Tool Cabinet comprises:
When temporary ground wire is placed in Tool Cabinet, its tool identification card inserts in corresponding fixed reader, fixed reader is operated by cycle Card Reader, obtain the information of temporary ground wire whether in Tool Cabinet, this information passes to control center by RS485 cable network mode, display corresponding information, it is for future reference to carry out state;
When temporary ground wire is lent, the identification card of ground wire is extracted from the draw-in groove of fixed reader, fixed reader can recognize this temporary ground wire by Card Reader operation and leave Tool Cabinet, this information is sent to control center in time and carries out display retention, to be swiped the card successively identifying operation by the tool identification card of Portable RFID reader to giver badge and temporary ground wire, to represent this temporary ground wire at present in this staff's hand;
When temporary ground wire is given back, now fixed reader reads temporary ground wire tool identification card, and to control center, Card Reader information back is represented that this temporary ground wire is given back by staff.
Further, comprised by the information of portable reader reading temporary ground wire label in described step 2:
When temporary ground wire mounts, Portable RFID reader to be swiped the card operation successively to giver badge, temporary grounding point device tag card and temporary ground wire tool identification card, when three's information correspondence is consistent, the display screen display of Portable RFID reader mounts successfully or corresponding pilot lamp is lighted, represent that staff successfully mounts this temporary ground wire and temporary grounding point, this information reporting is passed to control center by described reader;
When temporary ground wire unmarshaling, portable RFID reader to be swiped the card operation successively to giver badge, temporary grounding point device tag card and temporary ground wire tool identification card again, the display screen display unmarshaling of Portable RFID reader is successful or corresponding pilot lamp is bright, represent that staff is successfully separated with temporary grounding point this temporary ground wire, this information reporting is passed to control center by described reader.
Advantage of the present invention is:
(1) the substation equipment management method of three engagings one proposed, personnel, instrument, the management of equipment rfid card can be avoided to establish one's own system, cannot share information, system duplicate construction, and system equipment can not interconnect and cause unnecessary waste.
(2) transformer station's tool management method of three engagings one proposed, effectively can carry out tracing management to substation equipment, especially can accomplish from the whole process control of lending, being articulated to unmarshaling and return security tool.
(3) in the three card unification methods proposed, corresponding with Portable RFID reader by staff identification's card, tool identification card, device identification card, can be clear to the confirmation of responsibility in the process of equipment construction operation at use instrument to staff.
(4) in the three card unification methods proposed, by the coupling of swiping the card successively of temporary ground wire tag card and earth point tag card, the leakage of the effective temporary ground wire of stopping over can pull out, leak commutation and resemble.
(5) in the three card unification methods proposed, the design of various alarm mechanism and state instruction can, staff is on-the-spot and background control center plays equipment control state respectively, abnormal conditions carry out reminding and warning function, facilitate independent operation and networking to monitor.
(6), in the three card unification methods proposed, the transformer station's standardized administration that is formed as of operation inference mechanism lack of standardization provides guidance.
accompanying drawing illustrates:
Fig. 1: present system schematic diagram;
Fig. 2: working-flow sketch;
Fig. 3: portable RFID reader structure principle chart;
Fig. 4: fixing RFID reader structure principle chart;
Fig. 5: portable and fixing RFID reader operating process and logic relation picture;
Fig. 6: portable RF ID reader operation general flow chart.
Embodiment
The present invention is directed to substation safety tool management problem, personnel's card, tool card, use equipment (object card) are set, store from personnel, instrument, go out warehouse-in, use links to start with, realize omnibearing management, ensure that the standardization that instrument is placed on the one hand, ensure that the standardization of in-out-storehouse management on the other hand, ensure that the standardization operated in instrument use procedure simultaneously, and derive serial judgment rule by analyzing, point out nonstandard administrative vulnerability.Eliminate safe hidden trouble with this, improve tool management level.The integrated management level of raising equipment and the utilization rate of equipment, reduce system duplicate construction.Improve tool management level, improve operations staff's total quality, final raising substation operation level.
Based on the substation safety tool management system of three engagings one, for temporary ground wire, ensure the reliable mounting of ground wire, hang and torn contrast open, return whole process have record from lending of Tool Cabinet, and synthetic time series rule and suggestion.System comprises use device identification card, tool identification card, giver badge, and it is some that portable RFID reader is some, Tool Cabinet fixes RFID reader.Such as staff wears giver badge, temporary ground wire wearing tool identification card, temporary grounding point wearing device identification card in transformer station.
As shown in Figure 1, system is divided into 5 parts: i.e. three class RFID (comprising giver badge, temporary ground wire tool identification card, temporary grounding point device tag card), Portable RFID reader, fixing RFID reader, Zigbee router and telegon, background control center.Wherein temporary ground wire status information capture comprises Portable RFID reader, fixing RFID reader, Zigbee router and telegon, power module and single chip control module four parts, and power module is mainly acquisition terminal and powers.
As shown in Figure 3, the display module that Portable RFID reader comprises single chip control module and is connected respectively with this control module, Keysheet module, Zigbee terminal module, RFID reader and power module, described Zigbee terminal module is connected by RS232 serial ports with between single chip control module; Connected by SPI interface between described RFID reader and single chip control module.Single chip control module is that AT89S51, RFID adopt 13.56MHz, meets ISO14443A standard, adopts MFRC5XX series low-power chip, Zigbee terminal module, power module.
As shown in Figure 4, the described fixing RFID reader RS485 module, RFID reader and the power module that comprise single chip control module and be connected with this control module.Single chip control module is that AT89S51, RFID adopt 13.56MHz, meets ISO14443A standard, adopts MFRC5XX series low-power chip, RS485 module, power module.
Another object of the present invention also provides a kind of substation equipment management method of three engagings one, and as Fig. 2, Fig. 5, shown in 6, the concrete steps of method are as follows:
1, initially, time, giver badge is worn by staff, and before starting the task of overhauling, Portable RFID reader is assigned to the staff wearing giver badge.
2, Tool Cabinet temporary ground wire status monitoring: this place is that each temporary ground wire is equipped with a fixed reader, when temporary ground wire is placed in Tool Cabinet, its tool identification card inserts in corresponding fixed reader, fixed reader is operated by cycle Card Reader, obtain the information of temporary ground wire whether in Tool Cabinet, this information passes to control center by RS485 cable network mode, and display corresponding information, it is for future reference to carry out state.
3, temporary ground wire lends operation: when needing the maintenance task performing transformer station, the temporary ground wire of some is taken out from Tool Cabinet, now, the identification card of ground wire is extracted from the draw-in groove of fixed reader, fixed reader can recognize this temporary ground wire by Card Reader operation and leave Tool Cabinet, and this information is sent to control center in time and carries out display retention.
Then, the tool identification card of Portable RFID reader to giver badge and temporary ground wire is swiped the card identifying operation successively, to represent this temporary ground wire at present in this staff's hand.
If the unenforced words of this operation, after certain hour, control center can send this ground wire and lose alarm, shows screen display this ground wire number corresponding, and warn at portable RF ID.
The information that Portable RFID reader Card Reader obtains, by Zigbee wireless multi-hop network, passes control center back, to show retention in systems in which.
4, temporary ground wire mounting operation: at operation field, while temporary ground wire mounting, Portable RFID reader is swiped the card successively to giver badge, temporary grounding point device tag card and temporary ground wire tool identification card, and (order is swiped the card successively in operation, to show the one_to_one corresponding of three cards), duration of swiping the card successively is set to 1 minute temporarily, shows that this staff uses this temporary ground wire to carry out upkeep operation at this temporary grounding point.
The corresponding success of the display screen display three of Portable RFID reader, or with the bright instruction of certain lampet.Simultaneously control center receives reporting information and confirms that this ground wire has mounted and carried out display retention later.
5, temporary ground wire unmarshaling operation: upkeep operation completes, after unmarshaling ground wire, portable RFID reader to be swiped the card operation successively to giver badge, temporary grounding point device tag card and temporary ground wire tool identification card again, show that this staff is successfully separated with temporary grounding point this temporary ground wire, i.e. unmarshaling temporary ground wire success.The unmarshaling success of both display screen displays of Portable RFID reader, or with the bright instruction of certain lampet.Control center receive reporting information confirm later this ground wire unmarshaling and carry out display retain.
6, temporary ground wire gives back operation: temporary ground wire puts back to Tool Cabinet, and temporary ground wire tool identification card need be inserted in corresponding fixing RFID reader draw-in groove, Card Reader information can be passed to control center and represent that this temporary ground wire is given back by staff.
Special circumstances and various alarm:
1, there is not the Portable RFID reader corresponding with giver badge when carrying out aforesaid operations, can staff pointed out to be responsible for alarm always, screen display can be shown or corresponding lamp is bright at reader, and report control center to carry out alarming processing.
2, during hanging earthing conductor, if occur, three cards are not swiped the card successively, or second card, the 3rd card exceed when swiping the card duration, then think illegal operation and improper mounting, and terminal carries out alarm, and meanwhile, control center receives this category information and also carries out warning operation.
3, during unmarshaling ground wire, if occur, three cards are not swiped the card successively, or second card, the 3rd card exceed when swiping the card duration, then think illegal operation and improper unmarshaling, and terminal carries out alarm, and meanwhile, control center receives this category information and also carries out warning operation.
4, after temporary ground wire is lent, before mounting or after successful unmarshaling, if there is not Tool Cabinet to give back this ground wire information always, this duration is set to 60 minutes temporarily according to transformer station's size and upkeep operation character, then control center can display alarm.That is:, in the front situation of mounting, Portable RFID reader, after Tool Cabinet place swipes the card operation to this temporary ground wire, namely starts timing; After success unmarshaling in situation, Portable RFID reader to be swiped the card operation to temporary ground wire and temporary grounding point three, namely starts timing after confirming successful unmarshaling.After certain time length, Portable RFID reader sends this temporary ground wire and does not carry out operation alarm.Information passes to control center simultaneously, carries out display and retains.
The transformer station management system that the present invention is based on three engagings one has following features:
(1) technology of Internet of things is applied to the construction of intelligent grid, Management of Electrical Enterprise level can be promoted, improve the reliability and stability of electric system.
(2) technology such as radio frequency discrimination RFID and Zigbee networking technology, wireless communication technique, computer hardware technique, electrical applications and safety management of integrated application technology of Internet of things, stable, reliable and intelligentized requirement can be met, realize, to the real-time remote monitoring of operation field temporarily line, realizing the substantial leap of security management and control.
(3) low power dissipation design, with low cost, be convenient to large-scale promotion.
(4) based on RFID and Zigbee devise transformer station's operation field ground wire acquisition terminal, terminal design and use scientific and reasonable, working service is convenient.
(5) adopt Zigbee routing node to form mesh network, without the need to public network transmission information, save later stage operating cost.
(6) system architecture is considered to devise reading reliability measure, can effectively stop Lou to receive ground wire, leak the generation of tearing the pernicious misoperation fault such as ground wire, switching on earth wire open, ensure electrical network, equipment and personal safety to greatest extent, there is very strong using value.
(7) parts selection is scientific and reasonable, is convenient to quick large-scale production.
Claims (7)
1., based on the transformer station management system of three engagings one, it is characterized in that, this management system comprises:
RFID, has No. ID, uniqueness, is arranged in the tag card of work of transformer substation personnel, temporary ground wire and temporary grounding point, for identifying the uniqueness of card;
Portable RFID reader, reads the information in described work of transformer substation personnel, temporary ground wire and temporary grounding point three kinds of RFID;
Fixing RFID reader, is fixed in transformer station's Tool Cabinet, for reading the electronic labeling information in temporary ground wire tag card;
Zigbee router and telegon, for the multi-hop wireless networking of 2.4GHz industry open frequency range, realize the information transmission of Portable RFID reader and control center;
Background control center, receives the Card Reader information of Portable RFID reader and fixing RFID reader, and shows and alarm information processing retention the state of transformer station's temporary ground wire.
2. the transformer station management system based on three engagings one according to claim 1, it is characterized in that, described RFID comprises giver badge, temporary ground wire tool identification card or temporary grounding point device electronic tag.
3. the transformer station management system based on three engagings one according to claim 1, it is characterized in that, the display module that described Portable RFID reader comprises the first single chip control module and is connected respectively with this control module, Keysheet module, Zigbee terminal module, first RFID reader and the first power module, described Zigbee terminal module is connected by RS232 serial ports with between single chip control module; Connected by SPI interface between described RFID reader and single chip control module.
4. the transformer station management system based on three engagings one according to claim 1, it is characterized in that, RS485 module, the second RFID reader and second source module that described fixing RFID reader comprises second singlechip control module and is connected with this control module.
5., based on the substation management method of three engagings one, it is characterized in that, the method comprises the steps:
1) label information of the temporary ground wire of Tool Cabinet is read by fixed reader;
2) by the information of the tag card of portable reader read work personnel, temporary ground wire label and temporary grounding point label;
3) the temporary grounding point of above-mentioned reading, temporary ground wire label information and staff identification's card information are analyzed, and send to control center by Zigbee wireless multi-hop network, the tag card information corresponding relation of interim temporary grounding point, ground wire label information and staff is judged by control center, if three card informations are corresponding consistent, then represent that temporary ground wire is by operated by personnel, and this operation occurs in relevant temporary grounding point;
4) if three card information correspondences are inconsistent, show do not have staff to be responsible for operation or unsuccessful in the operation of temporary grounding point to temporary ground wire, after certain time length, background control center sends information warning.
6. the substation management method based on three engagings one according to claim 5, is characterized in that, in described step 1, the label information of the temporary ground wire of fixed reader reading Tool Cabinet comprises:
When temporary ground wire is placed in Tool Cabinet, its tool identification card inserts in corresponding fixed reader, fixed reader is operated by cycle Card Reader, obtain the information of temporary ground wire whether in Tool Cabinet, this information passes to control center by RS485 cable network mode, display corresponding information, it is for future reference to carry out state;
When temporary ground wire is lent, the identification card of ground wire is extracted from the draw-in groove of fixed reader, fixed reader can recognize this temporary ground wire by Card Reader operation and leave Tool Cabinet, this information is sent to control center in time and carries out display retention, to be swiped the card successively identifying operation by the tool identification card of Portable RFID reader to giver badge and temporary ground wire, to represent this temporary ground wire at present in this staff's hand, if there is not this identifying operation of swiping the card successively, show do not have staff to be responsible for operation to temporary ground wire, after certain time length, background control center sends information warning,
When temporary ground wire is given back, now fixed reader reads temporary ground wire tool identification card, and to control center, Card Reader information back is represented that this temporary ground wire is given back by staff.
7. the substation management method based on three engagings one according to claim 5, is characterized in that, is comprised in described step 2 by the information of portable reader reading temporary ground wire label:
When temporary ground wire mounts, Portable RFID reader to be swiped the card operation successively to giver badge, temporary grounding point device tag card and temporary ground wire tool identification card, when three's information correspondence is consistent, the display screen display of Portable RFID reader mounts successfully or corresponding pilot lamp is lighted, represent that staff successfully mounts this temporary ground wire and temporary grounding point, this information reporting is passed to control center by described reader;
When temporary ground wire unmarshaling, portable RFID reader to be swiped the card operation successively to giver badge, temporary grounding point device tag card and temporary ground wire tool identification card again, the display screen display unmarshaling of Portable RFID reader is successful or corresponding pilot lamp is bright, represent that staff is successfully separated with temporary grounding point this temporary ground wire, this information reporting is passed to control center by described reader.
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Cited By (8)
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| CN105044542A (en) * | 2015-08-04 | 2015-11-11 | 国网上海市电力公司 | State automatic detection method of temporary grounding line of electrical equipment |
| CN106532954A (en) * | 2016-12-09 | 2017-03-22 | 国网山东省电力公司微山县供电公司 | Grounding state monitoring method and system |
| CN108390461A (en) * | 2018-04-26 | 2018-08-10 | 广东电网有限责任公司 | Substation's temporary grounding wire management system |
| CN109740709A (en) * | 2019-03-05 | 2019-05-10 | 中车太原机车车辆有限公司 | A kind of electrical cubicle auxiliary connection device based on RFID |
| CN109813996A (en) * | 2019-03-19 | 2019-05-28 | 贵州电网有限责任公司 | A kind of station operation state of earth wire monitoring device and monitoring method |
| CN111461280A (en) * | 2020-03-31 | 2020-07-28 | 国网山东省电力公司莱芜供电公司 | Transformer substation tool safety management and control method and system based on information classified storage |
| CN113036545A (en) * | 2021-03-11 | 2021-06-25 | 广东电网有限责任公司 | Management system and method for grounding wire |
| CN114455237A (en) * | 2022-02-18 | 2022-05-10 | 国网山东省电力公司滨州供电公司 | Transformer substation grounding wire access device and use method |
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| CN105044542A (en) * | 2015-08-04 | 2015-11-11 | 国网上海市电力公司 | State automatic detection method of temporary grounding line of electrical equipment |
| CN105044542B (en) * | 2015-08-04 | 2017-10-27 | 国网上海市电力公司 | A kind of temporary ground wire state self checking method of power equipment |
| CN106532954A (en) * | 2016-12-09 | 2017-03-22 | 国网山东省电力公司微山县供电公司 | Grounding state monitoring method and system |
| CN106532954B (en) * | 2016-12-09 | 2019-07-26 | 国网山东省电力公司微山县供电公司 | Ground state monitoring method and system |
| CN108390461A (en) * | 2018-04-26 | 2018-08-10 | 广东电网有限责任公司 | Substation's temporary grounding wire management system |
| CN109740709A (en) * | 2019-03-05 | 2019-05-10 | 中车太原机车车辆有限公司 | A kind of electrical cubicle auxiliary connection device based on RFID |
| CN109813996A (en) * | 2019-03-19 | 2019-05-28 | 贵州电网有限责任公司 | A kind of station operation state of earth wire monitoring device and monitoring method |
| CN111461280A (en) * | 2020-03-31 | 2020-07-28 | 国网山东省电力公司莱芜供电公司 | Transformer substation tool safety management and control method and system based on information classified storage |
| CN111461280B (en) * | 2020-03-31 | 2022-10-11 | 国网山东省电力公司莱芜供电公司 | Transformer substation tool safety management and control method and system based on information classified storage |
| CN113036545A (en) * | 2021-03-11 | 2021-06-25 | 广东电网有限责任公司 | Management system and method for grounding wire |
| CN114455237A (en) * | 2022-02-18 | 2022-05-10 | 国网山东省电力公司滨州供电公司 | Transformer substation grounding wire access device and use method |
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