CN202772673U - Intelligent transformer substation inspection system - Google Patents

Intelligent transformer substation inspection system Download PDF

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Publication number
CN202772673U
CN202772673U CN 201220453510 CN201220453510U CN202772673U CN 202772673 U CN202772673 U CN 202772673U CN 201220453510 CN201220453510 CN 201220453510 CN 201220453510 U CN201220453510 U CN 201220453510U CN 202772673 U CN202772673 U CN 202772673U
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subsystem
server
line monitoring
data acquisition
monitoring unit
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CN 201220453510
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Chinese (zh)
Inventor
孔嘉
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SHANGHAI XINYING POWERTECH CO., LTD.
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SHANGHAI XINYING POWER TECHNOLOGY CO LTD
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Abstract

The utility model relates to an intelligent transformer substation inspection system. The intelligent transformer substation inspection system comprises a data acquisition sub-system, a data communication sub-system, a server sub-system and a client terminal sub-system, wherein the data acquisition sub-system is connected with the server sub-system through the data communication sub-system, and the server sub-system is connected with the client terminal sub-system. Compared with the prior art, the intelligent transformer substation inspection system is advantaged in that equipment operation state information and video picture information can be integrated; and visualization and intellectualization of transformer substation inspection work can be realized.

Description

The used for intelligent substation patrol system
Technical field
The utility model relates to the relevant monitoring technology of a kind of transformer station, especially relates to a kind of used for intelligent substation patrol system.
Background technology
In order to finish the monitoring to the main primary equipment running status of main transformer, bus, switch etc. in the transformer station, need to carry out regular examination and maintenance to transformer station.Traditional supervisory control of substation and tour are main by manual type, equipment are carried out the simple qualitative judgement of sense organ.Station develops into periodically preventive maintenance by correction maintenance now, but traditional cycled recondition is inadaptable under new form;
(1) not maintenance of some equipment that need to overhaul, unwanted repeatedly maintenance has caused maintenance superfluous.
(2) detection of equipment all is offline inspection mostly, and the power failure in the testing process has caused the reliability of mains supply to reduce.
(3) along with the increase of repair apparatus quantity, cause the man power and material to drop into excessive.
(4) making up under the intelligent grid overall situation, the various analog quantitys such as voltage, electric current have been converted into the digital signal of Optical Fiber Transmission, and maintenance model is in the urgent need to changing.Digital transformer substation has intelligentized primary equipment, the secondary device of networking, various enforcement states in running be after the digitlization by network delivery to secondary device, need the support of the development such as microelectric technique, computer technology, the communication technology, measurement detection technique.Traditional maintenance model is in the urgent need to changing on the one hand, and the digital network monitoring system of arising at the historic moment on the other hand needs developed.
In addition transformer station's tradition maintenance have a following problem: electric power system is being done a large amount of work for a long time aspect the support equipment reliability service, especially to decide inspection as example, must interruption maintenance in setting time.In the fixed inspection conventional substation in the past, for certain facilitation has been played in the stable operation of electric power system, still, along with the progress of technology, also expose some drawbacks.At first, there is certain blindness in fixed inspection, be not that all devices all needs interruption maintenance in the station, and also there is the destructiveness to equipment in maintenance itself.Secondly, the action frequency of primary equipment is the important symbol in its life-span, and its working life has been shortened in the transmission between turn(a)round greatly.Tend to recover normal condition to equipment after the large tracts of land maintenance and stay foreshadowing, can not recover to put in place such as the secondary circuit wiring, the recovery of soft or hard pressing plate is incorrect etc.
The utility model content
The purpose of this utility model is exactly that a kind of used for intelligent substation patrol system is provided in order to overcome the defective that above-mentioned prior art exists.
The purpose of this utility model can be achieved through the following technical solutions:
A kind of used for intelligent substation patrol system, it is characterized in that, comprise data acquisition subsystem, data communication subsystem, server subsystem and client-end subsystem, described data acquisition subsystem is connected with server subsystem by data communication subsystem, and described server subsystem is connected with client-end subsystem.
Described data acquisition subsystem comprises data acquisition unit, substation equipment state acquisition module and video camera, and described data acquisition unit is connected with substation equipment state acquisition module, video camera respectively by wireless mode.
Described data acquisition unit is the PDA with RFID, and described substation equipment state acquisition module is with the RFID read write tag.
Described substation equipment state acquisition module comprises capacitive apparatus insulated on-line monitoring unit, lightning arrester on-line monitoring unit, transformer oil chromatographic on-line monitoring unit, transformer partial discharge on-line monitoring unit, transformer iron core grounding current monitoring means, SF6 gas density and little water monitoring unit, breaker mechanical operating characteristics on-line monitoring unit, infrared imaging on-line monitoring unit, storage battery on-line monitoring unit and substation monitoring means.
Described server subsystem comprises application server, WEB server and database server, and described application server is connected with database server with data acquisition subsystem, WEB server respectively, and described WEB server is connected with client-end subsystem.
Compared with prior art, the utlity model has following advantage:
1, state information, the video image information that equipment is moved integrated and is integrated, thereby visual, intelligent the reaching of realizing substation inspection work prolongs polling period or replace manual inspection;
2, data basis and realization means are provided for the repair based on condition of component of primary equipment and the on-line monitoring of secondary device, primary equipment is carried out on-line data analysis and summary, state observation, need to overhaul according to equipment, secondary device is carried out status monitoring, equipment is carried out General Maintenance.
(1) intelligent primary equipment repair based on condition of component:
Carry out repair based on condition of component at intelligent substation at present and comprise that configuration is used for the transducer of monitoring system main equipment, perhaps directly provides its function by intelligent primary equipment.The modeling method of utilizing DL/T860 to provide, the information model of apparatus for establishing repair based on condition of component makes up the expert system that possesses comparatively reliable and practical status monitoring warning algorithm and mechanism, holding state maintenance practice.
The intelligence primary equipment can be judged according to state detecting information the work at present state of switch, is in simultaneously the standby condition of operation.After electric power system fault, protective relaying device send sub-gate signal or normal running order, the intelligence primary equipment is tried to achieve the predetermined optimum state of the operating mechanism corresponding with switch working state according to certain algorithm, and drive actuator operating mechanism is adjusted to this state, thereby realize Optimum Operation; Intelligent switch can continuously be monitored its state, record simultaneously each situation of cut-offfing, comprise drop-out current size, cut-off type, whether refuse minute to refuse to close phenomenon etc., also should record the change procedure of short circuit current during short circuit, in order to carry out accident analysis and switch is safeguarded.Simultaneously, also can analyze by the size that circuit breaker is accumulated drop-out current the ablation situation of switch contact.Utilize the equipment work and the state information that obtain, realize the Real-Time Monitoring to equipment state, and can carry out the measures such as corresponding alarm, protection according to differentiating the result, guarantee the reliability of primary equipment.
The state sensor of primary equipment is placed in the intelligent terminal, realize the repair based on condition of component of primary equipment, can the reduced inspection project, even the cancellation periodic inspection.Reduce secondary device periodic plan repair and maintenance, reduce recondition expense, reduce interruption duration, further reduce transformer station's overall life cycle cost.The transducer that configuration is used for the monitoring system main equipment comprises that transformer oil dissolves that gas, office are put monitoring, the monitoring of sleeve pipe capacitive equipment dielectric loss, the lightning arrester discharge of standing is counted the leakage current on-line monitoring entirely.
(2) relay protection secondary equipment state overhauling:
Popularization along with the primary equipment repair based on condition of component, the interruption duration that causes because of repair apparatus is with shorter and shorter, objectively the electric secondary service without power-off has been proposed new demand, the state-detection object of electrical secondary equipment is not single element, but a unit or a system.Taking full advantage of the enforcement basis that IED itself possesses repair based on condition of component (comprising: optical fiber telecommunications system, direct current system, circuit system, comprise that logic judges the loop, software function etc.), the special-purpose systems soft ware of exploitation in Intelligent transformer station, analyze the secondary device running status, directly realize repair based on condition of component.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is elaborated.
Embodiment
As shown in Figure 1, a kind of used for intelligent substation patrol system, comprise data acquisition subsystem 1, data communication subsystem 2, server subsystem 3 and client-end subsystem 4, described data acquisition subsystem 1 is connected with server subsystem 3 by data communication subsystem 2, and described server subsystem 3 is connected connection with client-end subsystem; Described data acquisition subsystem 1 gathers image and the state information of substation equipment, and by data communication subsystem 2 subsystem 3 that uploads onto the server, the data of 3 pairs of receptions of described server subsystem are stored and are shown, and data acquisition subsystem 1 carried out Long-distance Control, described client-end subsystem 4 is obtained the historical information of unattended substation equipment at any time from server subsystem 3, be used for that it is carried out long-distance intelligent and make an inspection tour.
Described data acquisition subsystem 1 comprises data acquisition unit, substation equipment state acquisition module 12 and video camera 13, and described data acquisition unit is connected with substation equipment state acquisition module, video camera 13 respectively by wireless mode.Described data acquisition unit is the PDA11 with RFID, and described substation equipment state acquisition module 12 is with the RFID read write tag.Described substation equipment state acquisition module comprises capacitive apparatus insulated on-line monitoring unit, lightning arrester on-line monitoring unit, transformer oil chromatographic on-line monitoring unit, transformer partial discharge on-line monitoring unit, transformer iron core grounding current monitoring means, SF6 gas density and little water monitoring unit, breaker mechanical operating characteristics on-line monitoring unit, infrared imaging on-line monitoring unit, storage battery on-line monitoring unit and substation monitoring means.
Described server subsystem 3 comprises application server 31, WEB server 33 and database server 32, described application server 31 is connected with database server with data acquisition subsystem 2, WEB server 33 respectively and is connected, and described WEB server 33 is connected with client-end subsystem 4.Described database server 32 stores image and the state information that data acquisition subsystem gathers substation equipment, and the converting equipment drawbacks of the standard storehouse of upgrading at any time.
The characteristics of native system are as follows:
(1) customized extension flexibly
The tour task management that system provides customization visit program and interim visit program to combine provides and configures flexibly extended method execution tour task.
(2) patterned analysis
Can form block diagram, broken line graph, cake chart according to multiple condition for the defective of finding in the tour process, show intuitively and can the person of assisting management predict more accurately ruuning situation.
(3) applying RFID advanced technology
Adopt the PDA portable terminal to realize putting in place supervision in conjunction with the RFID wireless radio-frequency, record tour result, the automatic-prompting defect information, and can adopt recording, take pictures, the auxiliary record equipment deficiency such as video recording.
(4) human oriented design, friendly interface
Network analysis software adopts the B/S framework, adopts graphical form design, and compatible Windows operation style possesses that multi-client is browsed simultaneously, mass data storage.The operations staff is simple to operate, and is easy to use, is very easy to grasp.
The native system function
(1) adds and safeguard inspection point provided
Transformer station is set up inspection point provided by interval (being unit) or equipment, and inspection point provided identifies with electronic tag, indicates the on-the-spot position of making an inspection tour of tour personnel, and related with inspection point provided is tour equipment and makes an inspection tour content.
(2) set up and safeguard converting equipment drawbacks of the standard storehouse
Make an inspection tour personnel to the description of defective for standard, set up converting equipment drawbacks of the standard storehouse, the tour personnel make an inspection tour when finding defective at the scene, and content that can choice criteria defective storehouse is filled in, and are conducive to the maintainer to the understanding of defective and in time process.
(3) set up and safeguard the substation inspection route
Set up patrol route by the order that inspection point provided is set, standard is maked an inspection tour personnel's patrol route.
(4) read-write electronic tag
The electronic tag internal memory inspection point provided of sign inspection point provided is encoded, and coding writes or reads by rfid interrogator, and the equipment that reading when making an inspection tour at the scene encodes obtains association and tour content realize putting in place supervision simultaneously, record tour personnel name and put in place the tour time.
(5) recording defect
The on-the-spot defective of finding of tour personnel is carried out record by the PDA program, can the choice criteria defective during record, and also can replenish and fill in defective.
(6) record tour value
The tour result of native system record generally has two types, a kind of sign state: normal or undesired; A kind of sign numerical value, as: temperature, pressure etc.
(7) data upload/download
The data communication device of backstage establishment is crossed data connecting line and is downloaded on the PDA, and the operating personnel could need after operation is finished the result is uploaded in the background system according to the task field operation of formulating, and could realize unified storage and the query statistic function of data.
(8) show the tour result
Make an inspection tour the result by transformer station, time showing, check convenient directly perceived.
(9) query statistic
Gather demonstration output by inquiries such as tour time, transformer station, tour personnel, tour type, defectives.
(10) the unusual prompting
When the abnormal conditions such as leakage is patrolled, tour equipment has the defective of not disappearing occurring, PDA voice reminder staff notes.
(11) defect management
After the on-the-spot defective of finding was uploaded background system, work director or head of the unit can inquire about, gather defective, also can process, circulate and report.
(12) converting equipment management
To local each transformer station and interval and equipment apparatus for establishing storehouse, and equipment carried out Classification Management, safeguarded by the personnel of associated rights.
(13) departmental staff's management
All departments and personnel thereof to unit carry out maintenance management.
(14) rights management
Personnel's authority of using system is carried out maintenance management.
The hardware configuration of native system is as follows:
(1) server configuration
1) systems soft ware can move under the Windows2000/2003 platform;
2) high-, middle-and low-end Brand Service device all can;
3) processor preferably adopts double-core and above specification;
4) more than the internal memory 2GHz;
5) more than the hard disk 160G.
(2) PDA configuration
1) PDA of built-in RFID
Adopt the PDA palmtop PC of industrial design, based on the embedded OS of ARM, program operates on the WIN CE/MOBILE platform.Powerful, expansion convenience.Waterproof, antidetonation, built-in GPS or rfid interrogator, the full Chinese prompt of jumbotron, information is abundant, and man-machine interface is friendly, supports handwriting input, conveniently the project of patrolling and examining is carried out record.Make an inspection tour device advanced RFID radio RF recognition technology is adopted in the authentication of registering of inspection point provided.
The PDA technical parameter of built-in RFID is shown in Table 1:
Table 1
2) PDA of external RFID
Adopt the model PDA such as HP 2790, based on the embedded OS of ARM, program operates on the WINCE/MOBILE platform.Powerful, expansion convenience.Connect GPS or rfid interrogator module by CF or SD interface, the full Chinese prompt of jumbotron, information is abundant, and man-machine interface is friendly.Support handwriting input, conveniently the project of patrolling and examining is carried out record.Make an inspection tour device advanced RFID radio RF recognition technology is adopted in the authentication of registering of inspection point provided.
The PDA technical parameter of external RFID is shown in Table 2:
Table 2
(3) RFID location recognition label
RFID read write tag (TAG) can be made into arbitrary shape or size as required, and surface mount is on tour equipment.Label is unique can not to be imitated, and the noncontact reading code is safe and reliable.
The native system implementation goal:
At concentrator station jurisdiction regulated station; by the systems such as switch cubicle thermometric, transformer oil chromatographic on-line monitoring, lightning arrester on-line monitoring, video monitoring, the little water monitoring of SF6 density, direct current system on-line monitoring, protection information management system are installed; set up the used for intelligent substation patrol management platform; state information, the video image information of equipment operation integrated and integrated, thereby realize visual, the intelligent purpose that prolongs polling period or replace manual inspection that reaches of substation inspection work.
(1) field apparatus remote visualization
1) daily tour: according to the tour order of prior setting, the operations staff checks the information that each camera automatic rotation is patrolled and examined in main website, possesses automatically and the manual function of making an inspection tour, and night inspection is opened illuminating lamp automatically.
2) equipment running status real time information sampling
By various on-line monitoring techniques and means, the information such as the temperature of Real-time Collection equipment, oil chromatography, SF6 gas density, lightning arrester Leakage Current, switch motion feature possess the auto-alarm function of the data that exceed standard.
3) auxiliary equipment remote opening
The substation illumination system can be opened in a distant place.
4) intelligent patrol detection management platform
On the basis of the comprehensive on-line monitoring system of existing transformer station, integrate video monitoring system, on the integrated picture of image information, the operation information of equipment, realize that the unified of equipment appearance and inherent running status monitors.
Each subsystem of the utility model is implemented
1) technical grade video monitoring system
The principle of layouting: can clearly see the operational factor of all kinds of capital equipments of transformer station by dome camera, such as the total indicator reading of switch, instrument and meter, the oil level of main transformer etc.
220kV, 110kV battery limits: the state of monitoring SF6 list index reading, rheology, on off state, the outward appearance of equipment, the oil level of main transformer etc.;
35kV battery limits: the outward appearance of pilot switch state, equipment, the oil level of main transformer etc.
2) switch cubicle temp measuring system
Adopt wireless mode, the operating temperature of the moving contact in the switch cubicle and busbar junction is carried out Real-Time Monitoring, respectively the temperature of the upper and lower contact of monitoring switch three-phase.
3) the little water of SF6 gas and density on-line monitoring
Measure the water content of SF6 gas in the SF6 air chamber of GIS, measure simultaneously the temperature, pressure, density of SF6 gas etc.
4) breaker operating characteristic on-line monitoring
The breaker operating characteristic on-line monitoring system adopts special-purpose Hall current sensor, gather dividing of circuit breaker, closing coil, the waveform of the electric current of the waveform in the runnings such as energy storage motor and data and comprehensive Current Transformer Secondary sensing acquisition, data, by circuit breaker on-line monitoring terminal sampled data is carried out COMPREHENSIVE CALCULATING, analyze, enter the comprehensive on-line monitoring software in backstage by the teletransmission of RS485 bus, can check easily dividing of monitoring of software, the action waveforms of closing coil, the operating state of energy storage motor and software are to assessment and the analysis result of circuit breaker working.
5) transformer oil chromatographic on-line monitoring
Main transformer is installed additional the oil chromatography on-line monitoring system, realize comprehensive, real time on-line monitoring to Dissolved Gas Content in Transformer Oil.
6) lightning arrester on-line monitoring
Can be effectively Leakage Current (total current and current in resistance property) and the action frequency of lightning arrester be carried out Real-Time Monitoring.
7) protection information management system
By the protection information supervisor being installed, the AC sampling value of realization real time inspection transforming plant protecting device, protection action event, exception message etc.
8) intelligent patrol detection management platform
The intelligent patrol detection management system is carried out all kinds of on-line monitoring systems, video monitoring system, protection information management system and fire-proof and theft-proof system of transformer station integrated.
Possess following functions: camera is according to order and the speed automatic cruising set; During manual the tour, equipment and technology parameter, running status, video image information can be concentrated and represent; Alarm during the equipment operation exception.

Claims (5)

1. used for intelligent substation patrol system, it is characterized in that, comprise data acquisition subsystem, data communication subsystem, server subsystem and client-end subsystem, described data acquisition subsystem is connected with server subsystem by data communication subsystem, and described server subsystem is connected with client-end subsystem.
2. a kind of used for intelligent substation patrol according to claim 1 system, it is characterized in that, described data acquisition subsystem comprises data acquisition unit, substation equipment state acquisition module and video camera, and described data acquisition unit is connected with substation equipment state acquisition module, video camera respectively by wireless mode.
3. a kind of used for intelligent substation patrol according to claim 2 system is characterized in that, described data acquisition unit is the PDA with RFID, and described substation equipment state acquisition module is with the RFID read write tag.
4. a kind of used for intelligent substation patrol according to claim 3 system, it is characterized in that, described substation equipment state acquisition module comprises capacitive apparatus insulated on-line monitoring unit, lightning arrester on-line monitoring unit, transformer oil chromatographic on-line monitoring unit, transformer partial discharge on-line monitoring unit, transformer iron core grounding current monitoring means, SF6 gas density and little water monitoring unit, breaker mechanical operating characteristics on-line monitoring unit, infrared imaging on-line monitoring unit, storage battery on-line monitoring unit and substation monitoring means.
5. a kind of used for intelligent substation patrol according to claim 1 system, it is characterized in that, described server subsystem comprises application server, WEB server and database server, described application server is connected with database server with data acquisition subsystem, WEB server respectively, and described WEB server is connected with client-end subsystem.
CN 201220453510 2012-09-06 2012-09-06 Intelligent transformer substation inspection system Active CN202772673U (en)

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Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103178617A (en) * 2013-04-03 2013-06-26 国家电网公司 Power grid operation state monitoring and analyzing system and method for power system
CN103457357A (en) * 2013-09-16 2013-12-18 国网河南省电力公司焦作供电公司 Transformer networked information management system
CN103580285A (en) * 2013-11-06 2014-02-12 国家电网公司 Substation inspection system
CN103676838A (en) * 2013-10-25 2014-03-26 国家电网公司 Electric power line basic construction intelligent safety monitoring system and monitoring method
CN104240324A (en) * 2013-12-17 2014-12-24 北京拓盛电子科技有限公司 Routing inspection method, handheld routing inspection terminal and routing inspection server
CN104362743A (en) * 2014-10-23 2015-02-18 国家电网公司 Substation equipment monitoring system based on RFID (radio frequency identification) technology
CN104569752A (en) * 2014-12-27 2015-04-29 国家电网公司 System for monitoring partial discharge of power distribution facilities
CN105356606A (en) * 2015-11-21 2016-02-24 国网河南省电力公司平顶山供电公司 Remote operation voice prompting device of transformer substation
CN105445579A (en) * 2015-11-17 2016-03-30 国网山东省电力公司电力科学研究院 Oil-chromatogram on-line monitoring data visualization system of multi-scale time sequence analysis and method thereof
CN105468060A (en) * 2015-11-27 2016-04-06 国家电网公司 Substation inspection management system
CN106532951A (en) * 2016-12-05 2017-03-22 国网湖北省电力公司咸宁供电公司 Transformer substation monitoring system
CN106655512A (en) * 2016-12-28 2017-05-10 国网山东省电力公司临沂供电公司 Substation monitoring system based on the Internet of things technology
CN108021676A (en) * 2017-12-07 2018-05-11 国家电网公司 A kind of data reconstruction method of integrated form isolation circuit breakers defect storehouse assessment
CN108539862A (en) * 2018-05-16 2018-09-14 全球能源互联网研究院有限公司 A kind of electric operating householder method and device

Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103178617B (en) * 2013-04-03 2015-07-15 国家电网公司 Power grid operation state monitoring and analyzing system and method for power system
CN103178617A (en) * 2013-04-03 2013-06-26 国家电网公司 Power grid operation state monitoring and analyzing system and method for power system
CN103457357A (en) * 2013-09-16 2013-12-18 国网河南省电力公司焦作供电公司 Transformer networked information management system
CN103457357B (en) * 2013-09-16 2016-05-04 国家电网公司 A kind of transformer online information management system
CN103676838A (en) * 2013-10-25 2014-03-26 国家电网公司 Electric power line basic construction intelligent safety monitoring system and monitoring method
CN103580285B (en) * 2013-11-06 2015-11-25 国家电网公司 A kind of substation inspection system
CN103580285A (en) * 2013-11-06 2014-02-12 国家电网公司 Substation inspection system
CN104240324A (en) * 2013-12-17 2014-12-24 北京拓盛电子科技有限公司 Routing inspection method, handheld routing inspection terminal and routing inspection server
CN104362743A (en) * 2014-10-23 2015-02-18 国家电网公司 Substation equipment monitoring system based on RFID (radio frequency identification) technology
CN104569752A (en) * 2014-12-27 2015-04-29 国家电网公司 System for monitoring partial discharge of power distribution facilities
CN105445579A (en) * 2015-11-17 2016-03-30 国网山东省电力公司电力科学研究院 Oil-chromatogram on-line monitoring data visualization system of multi-scale time sequence analysis and method thereof
CN105445579B (en) * 2015-11-17 2018-06-22 国网山东省电力公司电力科学研究院 The oil chromatography online monitoring data visualization system and method for multiple dimensioned Time-Series analysis
CN105356606A (en) * 2015-11-21 2016-02-24 国网河南省电力公司平顶山供电公司 Remote operation voice prompting device of transformer substation
CN105468060A (en) * 2015-11-27 2016-04-06 国家电网公司 Substation inspection management system
CN106532951A (en) * 2016-12-05 2017-03-22 国网湖北省电力公司咸宁供电公司 Transformer substation monitoring system
CN106655512A (en) * 2016-12-28 2017-05-10 国网山东省电力公司临沂供电公司 Substation monitoring system based on the Internet of things technology
CN108021676A (en) * 2017-12-07 2018-05-11 国家电网公司 A kind of data reconstruction method of integrated form isolation circuit breakers defect storehouse assessment
CN108539862A (en) * 2018-05-16 2018-09-14 全球能源互联网研究院有限公司 A kind of electric operating householder method and device

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C14 Grant of patent or utility model
GR01 Patent grant
C56 Change in the name or address of the patentee

Owner name: SHANGHAI XINYING POWERTECH CO., LTD.

Free format text: FORMER NAME: SHANGHAI XINYING POWER TECHNOLOGY DEVELOPMENT CO., LTD.

CP03 Change of name, title or address

Address after: 200436 Shanghai, Zhabei District Jiang Field Road No. 214, room 250, No. three

Patentee after: SHANGHAI XINYING POWERTECH CO., LTD.

Address before: 200070 Shanghai city Zhabei District moling Road No. 50 room 5406

Patentee before: Shanghai Xinying Power Technology Co.,Ltd.