CN104734361A - Online substation equipment mobile inspection system and method based on power wireless private network - Google Patents
Online substation equipment mobile inspection system and method based on power wireless private network Download PDFInfo
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
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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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/126—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wireless data transmission
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Abstract
The invention discloses an online substation equipment mobile inspection system and method based on a power wireless private network. The system comprises the power wireless private network, a mobile terminal, a plurality of electric tags and a substation communication control room. The substation communication machine room control room comprises a base station baseband processing unit, core network equipment, a master station and a system network management platform. The signal output ends of the electric tags are in butt joint with the signal input end of the mobile terminal in a matched mode, the signal output end of the mobile terminal is connected with the substation communication machine room control room in a wireless mode through a sky surface antenna aperture, and the signal output end of the mobile terminal and the substation communication machine room control room build bidirectional data transmission through a wireless base station and a sky surface antenna. The system is capable of keeping in touch with the master station in real time, capable of feeding back the inspection situation in real time and capable of guaranteeing the safety and reliability of wireless transmission of the inspection data.
Description
Technical field
The present invention relates to the online mobile cruising inspection system of a kind of substation equipment based on electric power wireless private network and online mobile method for inspecting.Belong to the technical equipment field that power station equipment is patrolled and examined.
Background technology
TD-LTE is the Technology of New Generation Mobile Communications that China has independent intellectual property right, and its performance advantage comprises traffic rate high (up-downgoing peak rate is respectively 50Mbps/100Mbps), coverage is large, business is disposed flexibly, can be realized to system diversity, the reduction of wireless transmission time delay etc.
Three large operators of China started in 2014 the wireless cellular network disposed based on TD-LTE technology on a large scale, and domestic grid company just carried out the electric power wireless private network engineering construction based on TD-LTE technology as far back as 2011.Relative to the network design of operator, the planning of electric power wireless private network has its particularity: utilize electrical network to have property (administrative building or transformer station) by oneself and dispose base station, and present stage is mainly used in the wireless access of the electrical production Terminal Types such as power distribution automation, metering automation, video monitoring.The system of the main flow wireless private network that current domestic grid company adopts has the TD-LTE system of two kinds: 1785-1805MHz frequency range and the LTE230 system of 230MHz frequency range, and two kinds use different frequency ranges, also there are differences on physical-layer techniques realizes.
The transformer station of prior art moves cruising inspection system, (database server 1-1 is comprised by main station system 11, web application server 1-2, switch 1-3 etc.), PDA15 (comprising code reader) and be posted on converting equipment 13 passive RFID electronic label 14 4 part composition, PDA equipment is connected, by LAN optimization main station system with transformer station desktop computer 12 by WLAN (wireless local area network) (such as WiFi, ZigBee etc.).Its system architecture as shown in Figure 1.
Although this cruising inspection system have employed ripe computer technology, radio communication and Bar Code, standardizing to patrol and examine with transformer station combines, and can solve and leakage patrols and patrol and examine the problems such as not in place.But there is following shortcoming:
(1) inspection device scope limits by WLAN (wireless local area network) overlay area.Only have the equipment of WLAN (wireless local area network) overlay area could adopt this system, for the outdoor converting equipment of major part, WLAN (wireless local area network) generally cannot cover.In addition, the indoor wireless distribution system in transformer station is also limited.For the equipment that WLAN (wireless local area network) cannot cover, can only to fill in a form list by off-line, take back main station monitoring center and carry out data upload, its inefficiency also lacks maneuverability.
(2) communication quality and poor stability.Adopt wireless local area network technology to carry out transfer of data, the fail safe of transmission quality and data cannot be ensured.
(3) patrol record is inconvenient.Adopt passive RFID label tag, because labeling requirement is from the radiofrequency field power taking of read write line, therefore reading/writing distance is nearer.In the process of patrolling and examining, need the particular location finding label, and usually substation equipment has forceful electric power, in order to ensure personal security, manual inspection must keep certain distance, brings the inconvenience that electronic tag reads.
Radio-frequency (RF) identification and RFID technique be a kind of typical Internet of Things communication technology, reads and writes related data by radio signals identification specific objective, and without the need to setting up machinery or optical contact between recognition system and specific objective.Conventional has low frequency (125k ~ 134.2K), high frequency (13.56Mhz), hyperfrequency, the technology such as microwave.Current RFID technique application is very wide, as: library, transportation card, gate control system, food security is traced to the source.
RFID can be divided into active electronic label and passive electronic label.Active electronic label is also known as active tag, and the working power of label is supplied by internal cell completely, and the energy supply of tag battery simultaneously is also partly converted to electronic tag and the radio-frequency (RF) energy needed for reader communication.Passive electronic label (passive label) does not have internal battery, time outside the read range of reader, electronic tag is in passive states, and time within the read range of reader, electronic tag extracts the power supply needed for its work from the radio-frequency (RF) energy that reader sends.
Summary of the invention
An object of the present invention, move cruising inspection system there is the problem of inspection device scope by the restriction of WLAN (wireless local area network) overlay area, communication quality and poor stability and patrol record inconvenience to solve existing transformer station, there is provided a kind of substation equipment based on electric power wireless private network online mobile cruising inspection system, this online mobile cruising inspection system have easy to use, the features such as inspection data, data transmission security be reliable can be obtained in real time.
Object two of the present invention is to provide a kind of substation equipment based on electric power wireless private network online mobile method for inspecting.
An object of the present invention can reach by taking following technical scheme:
The online mobile cruising inspection system of substation equipment based on electric power wireless private network, it is characterized in that: comprise by the electric power wireless private network based on TD-LTE technology, and mobile terminal, some electronic tags and transformer substation communication control room, electric power wireless private network is made up of wireless base station and equipment of the core network two parts; An equipment of the core network can connect multiple wireless base station, covers large area region; Wireless base station comprises a day surface antenna, baseband processing unit and RF remote unit three part; Transformer substation communication machine room control room is provided with base station baseband processing unit, equipment of the core network, main website and system network management platform; Electronic tag is type active RFID electronic label, the signal output part of this electronic tag matches with mobile terminal signal incoming end and docks, mobile terminal signal output is by sky surface antenna place wireless connections base station radio-frequency far-end unit input, base station radio-frequency far-end unit output connects base station baseband processing unit, base station baseband processing unit output passes through equipment of the core network connecting system network management platform and main website operating desk, by the presence of network management platform Real-Time Monitoring mobile terminal; The signal output part of described mobile terminal eats dishes without rice or wine to set up data double-way transmission with transformer substation communication machine room control room by wireless base station.
An object of the present invention can also reach by taking following technical scheme:
Further, described main website comprises database server, patrols and examines information recording service device etc.
Further, it surface antenna and base station radio-frequency far-end unit are arranged on the terrace place, building of main website in transformer station, baseband processing unit, equipment of the core network, system network management platform and main website operating desk are arranged in transformer substation communication machine room or master-control room, and multiple transformer station is directly connected by optical fiber networking.
Further, the technology mechanism of described electric power wireless private network has two kinds, comprising: the TD-LTE system of 1785-1805MHz frequency range and the LTE230 system of 230MHz frequency range; The coverage of electric power wireless private network is more than 1 kilometer, covers the whole wireless signal of the equipment in transformer station region, for only a few coverage hole, is undertaken supplementing covering by wireless relay.
Further, type active RFID electronic label is attached on converting equipment, and mobile terminal has RFID read structure, or is connected to mobile terminal by RFID read module and realizes RFID read functions.
Further, described mobile terminal is with camera.
Two of object of the present invention can reach by taking following technical scheme:
The online mobile method for inspecting of substation equipment based on electric power wireless private network, is characterized in that comprising the steps:
1) choose main website building building in transformer station or the erection of neighbouring highland based on the wireless base station of TD-LTE technology, form as claimed in claim 1 based on the online mobile cruising inspection system of substation equipment of electric power wireless private network; Described
2) coverage of electric power wireless private network is more than 1 kilometer, covers the whole wireless signal of the equipment in transformer station region, for only a few coverage hole, is undertaken supplementing covering by wireless relay; Type active RFID electronic label is attached on converting equipment, and mobile terminal has RFID and reads and take pictures or video capability structure, if terminal does not possess this function, is connected to this terminal realizes RFID read functions by RFID read module.
3) the hand-held dull and stereotyped mobile terminal of patrol officer carries out the equipment routing inspection of transformer station, wireless connections are set up in mobile terminal and base station, when patrol officer is near equipment, the main information of mobile terminal automatic acquisition equipment, filling in of automatic finishing equipment form, form is uploaded to main station system backup automatically; Patrol officer is in the position facilities for observation state near equipment, if find to go wrong or fault, can by the mode of taking pictures or making a video recording, in real time present case is fed back to main station system by electric power wireless private network, main station system staff, according to current feedback data, image, video etc., informs by electric power wireless private network the processing mode that patrol officer is current.
Two of object of the present invention can also reach by taking following technical scheme:
Further, mobile terminal eats dishes without rice or wine data to be emitted to the antenna place of terrace by electric power wireless private network, base station baseband processing unit is transferred to by after the process of base station radio-frequency far-end unit, on connecting system equipment of the core network, equipment of the core network transfer of data to system network management platform and main website operating desk; Main website operating desk comprises database server, patrols and examines information recording service device; The presence of network management platform Real-Time Monitoring mobile terminal.
Further, described mobile terminal is with camera; Online movement for multiple transformer station is patrolled and examined, and is directly connected by optical fiber networking.
The present invention has following outstanding substantive distinguishing features and beneficial effect:
1, electric power wireless private network can cover all devices region in transformer station, ensures that the Mobile Online of a secondary device in any region (comprising indoor, outdoor) in transformer station patrols and examines.Patrol officer can real-time online feedback inspection device present case, comprise data and view data.And can ensure that in transformer station, all devices moves the on-line annealing of patrolling and examining, patrol officer patrols and examines in process mobile, can in real time and main website keep in touch, Real-time Feedback patrols and examines situation.
2, ensure mobile to patrol and examine that data are reliable, safe transmission is to main station system.TD-LTE adopts strict safety encipher mechanism, bi-directional authentification machine-processed, can prevent the eavesdropping of data and distort.Electric power wireless private network adopts electric power dedicated frequency, can ensure the transmission quality communicated.Therefore can ensure to patrol and examine the safety and reliability of data wireless transmission, solve the technical problems such as eavesdropping that conventional WLAN exists data, the hidden danger of distorting.
3, promote the automation function that converting equipment is patrolled and examined, increase the reading distance of RFID label tag, improve the personal safety of inspector, avoid causing security incident, particularly important when patrolling and examining heavy current installation in transformer station especially.
Accompanying drawing explanation
Fig. 1 is the substation inspection plan implementation schematic diagram of prior art.
Fig. 2 is substation inspection plan implementation schematic diagram of the present invention.
Fig. 3 is job control schematic diagram of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in further detail
With reference to the substation equipment online mobile cruising inspection system of Fig. 2 based on electric power wireless private network, comprise by the electric power wireless private network based on TD-LTE technology, and mobile terminal 120, some electronic tags 137 and transformer substation communication control room, electric power wireless private network is made up of wireless base station 111 and equipment of the core network 134 two parts; An equipment of the core network can connect multiple wireless base station, covers large area region; Wireless base station 111 comprises day surface antenna 131, baseband processing unit 133 and RF remote unit 131 3 part; Transformer substation communication machine room control room is provided with base station baseband processing unit 133, equipment of the core network 134, main website 135 and system network management platform 136; Electronic tag 137 is type active RFID electronic label, the signal output part of this electronic tag 137 matches with mobile terminal 120 signal incoming end and docks, mobile terminal 120 signal output part is by sky surface antenna 131 place's wireless connections base station radio-frequency far-end unit 132 input, base station radio-frequency far-end unit 132 output connects base station baseband processing unit 133, base station baseband processing unit 133 output passes through equipment of the core network 134 connecting system network management platform 136 and main website operating desk 135, by the presence of network management platform 136 Real-Time Monitoring mobile terminal 120; The signal output part of described mobile terminal 20 eats dishes without rice or wine to set up data double-way transmission with transformer substation communication machine room control room by wireless base station 111.
In embodiment, described main website 135 comprises database server, patrols and examines information recording service device.It surface antenna 131 and base station radio-frequency far-end unit 132 are arranged on the terrace place, building of main website in transformer station, baseband processing unit 133, equipment of the core network 134, system network management platform 136 and main website operating desk 135 are arranged in transformer substation communication machine room or master-control room, and multiple transformer station is directly connected by optical fiber networking.The technology mechanism of described electric power wireless private network has two kinds, comprising: the TD-LTE system of 1785-1805MHz frequency range and the LTE230 system of 230MHz frequency range; The coverage of electric power wireless private network is more than 1 kilometer, covers the whole wireless signal 112 of the equipment in transformer station region, for only a few coverage hole, is undertaken supplementing covering by wireless relay.Type active RFID electronic label 137 is attached on converting equipment 138, and mobile terminal 120 has RFID read structure, or is connected to mobile terminal 120 by RFID read module and realizes RFID read functions.Described mobile terminal 120 is with camera.
The online mobile method for inspecting of the above-mentioned substation equipment based on electric power wireless private network, comprises the steps:
1) main website building building 110 in transformer station or the erection of the neighbouring highland wireless base station 111 based on TD-LTE technology is chosen, the online mobile cruising inspection system of the substation equipment based on electric power wireless private network described in formation;
2) coverage of electric power wireless private network is more than 1 kilometer, covers the whole wireless signal 112 of the equipment in transformer station region, for only a few coverage hole, is undertaken supplementing covering by wireless relay; Type active RFID electronic label 137 is attached on converting equipment 138, and mobile terminal 120 has RFID and reads and take pictures or video capability structure, if terminal does not possess this function, is connected to this terminal 120 realizes RFID read functions by RFID read module.
3) the hand-held dull and stereotyped mobile terminal 120 of patrol officer carries out the equipment routing inspection of transformer station, wireless connections are set up in mobile terminal 120 and base station 111, when patrol officer is near equipment 133, the main information of mobile terminal 120 automatic acquisition equipment, filling in of automatic finishing equipment form, form is uploaded to main station system backup automatically; Patrol officer is in the position facilities for observation state near equipment, if find to go wrong or fault, can by the mode of taking pictures or making a video recording, in real time present case is fed back to main station system by electric power wireless private network, main station system staff, according to current feedback data, image, video etc., informs by electric power wireless private network the processing mode that patrol officer is current.
In method, described mobile terminal 120 is with camera; Online movement for multiple transformer station is patrolled and examined, and is directly connected by optical fiber networking.Mobile terminal 120 eats dishes without rice or wine data to be emitted to antenna 131 place of terrace by electric power wireless private network, base station baseband processing unit 133 is transferred to after being processed by base station radio-frequency far-end unit 132, on connecting system equipment of the core network 134, equipment of the core network transfer of data to system network management platform 136 and main website operating desk 135; Main website operating desk 135 comprises database server, patrols and examines information recording service device; The presence of network management platform 136 Real-Time Monitoring mobile terminal 120.If any multiple transformer station, can directly be connected by optical fiber networking.
When the present invention uses, the hand-held flat board of patrol officer waits mobile terminal 120 to carry out the equipment routing inspection of transformer station, and wireless connections are set up in mobile terminal 120 and base station 111.When patrol officer is near equipment 133, the main information of mobile terminal 120 automatic acquisition equipment, filling in of automatic finishing equipment form, form is uploaded to main website 135 system backup automatically.Patrol officer is in the position facilities for observation state near equipment, if find to go wrong or fault, the mode that the mobile terminal 120 of band camera is taken pictures or made a video recording can be utilized, in real time present case is fed back to main station system by electric power wireless private network, main station system staff, according to current feedback data, image, video etc., informs by electric power wireless private network the processing mode that patrol officer is current.
Specific works of the present invention controls as shown in Figure 3.When mobile terminal 120 is when the electronic tag 132 of corresponding converting equipment 122, this converting equipment 122 related data is read by electronic tag 132, related data is emitted to the antenna 131 of wireless base station 111 by electric power wireless private network, base station baseband processing unit 138 is transferred to after being processed by base station radio-frequency far-end unit 137, access on TD-LTE system equipment of the core network 134 by base station baseband processing unit 138 again, by equipment of the core network 134 transfer of data to system network management platform 136 and main website 135, stored by main website and back up, because main website 135 includes relevant database server, patrol and examine information recording service device etc., so can the presence of Real-Time Monitoring mobile terminal 120 at system network management platform 136.
Domestic grid company, in order to advance metering, distribution automation, starts, at main cities pilot electric power wireless private network, to be expected to be promoted in recent years.Scheme provided by the invention can rely on pilot project, without the need to additionally building base station, saves construction cost, and in the transformer station of pilot, outfit mobile terminal 120 and corresponding data server can complete mobile inspection function.
Claims (9)
1. based on the online mobile cruising inspection system of substation equipment of electric power wireless private network, it is characterized in that: comprise by the electric power wireless private network based on TD-LTE technology, and mobile terminal (120), some electronic tags (137) and transformer substation communication control room, electric power wireless private network is made up of wireless base station (111) and equipment of the core network (134) two parts, an equipment of the core network can connect multiple wireless base station, covers large area region, wireless base station (111) comprises a day surface antenna (131), baseband processing unit (133) and RF remote unit (131) three part, transformer substation communication machine room control room is provided with base station baseband processing unit (133), equipment of the core network (134), main website (135) and system network management platform (136), electronic tag (137) is type active RFID electronic label, the signal output part of this electronic tag (137) matches with mobile terminal (120) signal incoming end and docks, mobile terminal (120) signal output part is by sky surface antenna (131) place's wireless connections base station radio-frequency far-end unit (132) input, base station radio-frequency far-end unit (132) output connects base station baseband processing unit (133), base station baseband processing unit (133) output is by equipment of the core network (134) connecting system network management platform (136) and main website operating desk (135), by the presence of network management platform (136) Real-Time Monitoring mobile terminal (120), the signal output part of described mobile terminal (120) eats dishes without rice or wine to set up data double-way transmission with transformer substation communication machine room control room by wireless base station (111).
2. the online mobile cruising inspection system of the substation equipment based on electric power wireless private network according to claim 1, is characterized in that: described main website (135) comprises database server, patrols and examines information recording service device.
3. the online mobile cruising inspection system of the substation equipment based on electric power wireless private network according to claim 1, it is characterized in that: sky surface antenna (131) and base station radio-frequency far-end unit (132) are arranged on the terrace place, building of main website in transformer station, baseband processing unit (133), equipment of the core network (134), system network management platform (136) and main website operating desk (135) are arranged in transformer substation communication machine room or master-control room, and multiple transformer station is directly connected by optical fiber networking.
4. the online mobile cruising inspection system of the substation equipment based on electric power wireless private network according to claim 1, it is characterized in that: the technology mechanism of described electric power wireless private network has two kinds, comprising: the TD-LTE system of 1785-1805MHz frequency range and the LTE230 system of 230MHz frequency range; The coverage of electric power wireless private network is more than 1 kilometer, covers the whole wireless signal of the equipment in transformer station region (112), for only a few coverage hole, is undertaken supplementing covering by wireless relay.
5. the online mobile cruising inspection system of the substation equipment based on electric power wireless private network according to claim 1, it is characterized in that: type active RFID electronic label (137) is attached on converting equipment (138), mobile terminal (120) has RFID read structure, or is connected to mobile terminal (120) by RFID read module and realizes RFID read functions.
6. the online mobile cruising inspection system of the substation equipment based on electric power wireless private network according to claim 1, is characterized in that: described mobile terminal (120) is with camera.
7., based on the online mobile method for inspecting of substation equipment of electric power wireless private network, it is characterized in that comprising the steps:
1) choose main website building building (110) in transformer station or the erection of neighbouring highland based on the wireless base station (111) of TD-LTE technology, form as claimed in claim 1 based on the online mobile cruising inspection system of substation equipment of electric power wireless private network;
2) coverage of electric power wireless private network is more than 1 kilometer, covers the whole wireless signal of the equipment in transformer station region (112), for only a few coverage hole, is undertaken supplementing covering by wireless relay; Type active RFID electronic label (137) is attached on converting equipment (138), mobile terminal (120) has RFID and reads and take pictures or video capability structure, if terminal does not possess this function, be connected to this terminal (120) by RFID read module and realize RFID read functions.
3) the hand-held dull and stereotyped mobile terminal (120) of patrol officer carries out the equipment routing inspection of transformer station, wireless connections are set up in mobile terminal (120) and base station (111), when patrol officer near equipment (133) time, the main information of mobile terminal (120) automatic acquisition equipment, filling in of automatic finishing equipment form, form is uploaded to main station system backup automatically; Patrol officer is in the position facilities for observation state near equipment, if find to go wrong or fault, can by the mode of taking pictures or making a video recording, in real time present case is fed back to main station system by electric power wireless private network, main station system staff, according to current feedback data, image, video etc., informs by electric power wireless private network the processing mode that patrol officer is current.
8. the online mobile method for inspecting of the substation equipment based on electric power wireless private network according to claim 7, it is characterized in that: mobile terminal (120) eats dishes without rice or wine data to be emitted to by electric power wireless private network antenna (131) place of terrace, base station baseband processing unit (133) is transferred to after being processed by base station radio-frequency far-end unit (132), on connecting system equipment of the core network (134), equipment of the core network transfer of data to system network management platform (136) and main website operating desk (135); Main website operating desk (135) comprises database server, patrols and examines information recording service device; The presence of network management platform (136) Real-Time Monitoring mobile terminal (120).
9. the online mobile method for inspecting of the substation equipment based on electric power wireless private network according to claim 7, is characterized in that: described mobile terminal (120) is with camera; Online movement for multiple transformer station is patrolled and examined, and is directly connected by optical fiber networking.
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| CN107682856A (en) * | 2017-07-04 | 2018-02-09 | 国网浙江省电力公司嘉兴供电公司 | A kind of grid-connected information transmission system |
| CN111786845A (en) * | 2020-05-09 | 2020-10-16 | 广东电网有限责任公司广州供电局 | Method for automatically generating power distribution room inspection report |
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| CN104240322A (en) * | 2014-09-26 | 2014-12-24 | 中国能源建设集团广东省电力设计研究院 | Online mobile inspection system and method for substation equipment based on wireless private power network |
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| CN111786845A (en) * | 2020-05-09 | 2020-10-16 | 广东电网有限责任公司广州供电局 | Method for automatically generating power distribution room inspection report |
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Application publication date: 20150624 |