CN114123503A - On-site fixed value checking method for transformer substation - Google Patents
On-site fixed value checking method for transformer substation Download PDFInfo
- Publication number
- CN114123503A CN114123503A CN202111394215.2A CN202111394215A CN114123503A CN 114123503 A CN114123503 A CN 114123503A CN 202111394215 A CN202111394215 A CN 202111394215A CN 114123503 A CN114123503 A CN 114123503A
- Authority
- CN
- China
- Prior art keywords
- fixed value
- module
- checking
- client
- value list
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 23
- 238000006243 chemical reaction Methods 0.000 claims abstract description 21
- 238000004891 communication Methods 0.000 claims abstract description 20
- 238000012544 monitoring process Methods 0.000 claims abstract description 12
- 238000007726 management method Methods 0.000 claims description 15
- 238000012550 audit Methods 0.000 claims description 6
- 230000008676 import Effects 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000012217 deletion Methods 0.000 claims description 2
- 230000037430 deletion Effects 0.000 claims description 2
- 238000010276 construction Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00006—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment
-
- 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
-
- 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
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/16—Electric power substations
-
- 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
Abstract
The invention discloses a substation field fixed value checking method and relates to the technical field of power engineering. The specific checking steps are as follows: s1, firstly, importing the latest fixed value list through the client module, and storing the latest fixed value list in the database module by the conversion module; s2, the client module is used for sending a checking instruction to the online monitoring module by means of the conversion module and the communication service module; and S3, after the on-line monitoring module receives the checking instruction, calling the fixed value information of the protection device to be uploaded. Compared with the traditional method of manually comparing and checking the fixed value of the protection device, the method provided by the invention has the advantages that the fixed value comparison and checking are completely automatic, a large amount of manpower can be saved, a large amount of time and energy of staff are saved, the automatic checking and the generation of the checking report are realized, the checking result is not easy to generate missing items and errors, and further, the error setting of the protection device can be effectively reduced.
Description
Technical Field
The invention relates to the technical field of power engineering, in particular to a substation field fixed value checking method.
Background
The protection device is important equipment for ensuring safe and stable operation of a power grid, and the correctness of the protection constant value is the key for the protection equipment to correctly act. The calculation of the protection fixed value of the current power grid company is completed by a dispatching department, after the process of auditing and approving, each execution unit is issued in an intelligent dispatching management system, then the execution of the fixed value is completed by equipment maintenance personnel, and after the execution is completed, the execution and filing process is completed in an operating system. The current working mode of constant value comparison of the protection device is as follows: the protection personnel are in a group, the fixed value is read and operated on the device, the device is stored after the input is finished, then the protection personnel check for the first time by themselves, and after the check is correct, the protection personnel check the fixed value list and the printed fixed value item by item with the operation personnel to finish the second check. The working method requires much manpower and consumes a lot of time and energy of staff. Especially, the protection devices with more spare areas are easy to generate leakage items and errors, so that the protection devices are set by mistake. Therefore, a transformer substation field fixed value checking method is provided.
Disclosure of Invention
The invention aims to provide a substation field fixed value checking method to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a transformer substation field fixed value checking method comprises the following specific checking steps:
s1: firstly, importing a latest fixed value list through a client module, and storing the latest fixed value list in a database module by a conversion module;
s2: the client module is used for sending a checking instruction to the online monitoring module by means of the conversion module and the communication service module;
s3: after the on-line monitoring module receives the checking instruction, calling fixed value information of the protection device to be sent, carrying out data conversion on the sent fixed value information through the communication service module, then separating and processing the data to form a current operation fixed value list, and respectively sending the current operation fixed value list to the database module and the client module by the conversion module;
s4: after receiving the current operation constant value list, the client module compares the current operation constant value list with protection constant value data in the latest constant value list in the database module one by one and checks the protection constant value data;
s5: and after the client module finishes checking the protection constant value, automatically generating a checking report.
Preferably, in the technical scheme, the communication service module adopts the national network 103 protocol standard for communication, the customized 103 protocol communication service program is called to collect the protection fixed value data of the online monitoring module, the protocol communication service program is mainly used for completing format conversion of the protection fixed value data, and the information such as each protection device parameter, the fixed value parameter, the soft pressing plate and the like is acquired and then packaged into the JSON format for transmission.
Preferably, in the technical scheme, the conversion module has functions of data reading and writing, application implementation, external interface implementation and the like.
In the technical scheme, preferably, the data information stored in the database module includes user information, fixed value information, a system operation log and a fixed value operation record.
Preferably, in the technical scheme, the client module has a fixed value list importing and querying function, a fixed value checking function, a standing book management function and an operation recording function.
Preferably, in the technical scheme, the client module includes an administrator client and a common user client, and the administrator client can allocate task permissions to the common user client, where the task permissions include any one or more of a station, a standing book management, a fixed value list task allocation, import/newly create/check fixed value lists, audit fixed value lists, delete fixed value lists, template management and fixed value list number management.
Compared with the prior art, the invention has the beneficial effects that:
the transformer substation field constant value checking method is different from the traditional method that the constant value of the protection device is compared and checked manually, the constant value comparison and checking is fully automatic, a large amount of manpower can be saved, a large amount of time and energy of staff are saved, automatic checking is performed, a checking report is generated, the checking result is not prone to generating missing items and errors, and therefore the error setting of the protection device can be effectively reduced.
Drawings
FIG. 1 is a schematic diagram of the constant value check of the present invention;
FIG. 2 is a functional diagram of a communication service module according to the present invention;
FIG. 3 is a functional diagram of a conversion module according to the present invention;
FIG. 4 is a functional diagram of a database module according to the present invention;
fig. 5 is a functional diagram of a client module according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that in the description of the present invention, the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience of description and simplification of description, and do not indicate or imply that the referred device or element must have a specific orientation, be configured in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
Further, it will be appreciated that the dimensions of the various elements shown in the figures are not drawn to scale, for ease of description, and that the thickness or width of some layers may be exaggerated relative to other layers, for example.
It should be noted that like reference numerals and letters refer to like items in the following figures, and thus, once an item is defined or illustrated in one figure, it will not need to be further discussed or illustrated in detail in the description of the following figure.
As shown in fig. 1 to 5, the present invention provides a technical solution: a transformer substation field fixed value checking method comprises the following specific checking steps:
s1: firstly, importing a latest fixed value list through a client module, and storing the latest fixed value list in a database module by a conversion module;
s2: the client module is used for sending a checking instruction to the online monitoring module by means of the conversion module and the communication service module;
s3: after the online monitoring module receives a checking instruction, calling fixed value information of a protection device to be uploaded, performing data conversion on the uploaded fixed value information through a communication service module, then separating and processing the data to form a current operation fixed value list, wherein the communication service module adopts a national network 103 protocol standard for communication, acquires protection fixed value data of the online monitoring module by calling a customized 103 protocol communication service program, the protocol communication service program is mainly used for completing format conversion of the protection fixed value data, and packaging information such as parameters, fixed value parameters, soft pressing plates and the like of the protection device into a JSON format for transmission, and the conversion module respectively sends the current operation fixed value list to a database module and a client module;
s4: after receiving the current operation constant value list, the client module compares the current operation constant value list with protection constant value data in the latest constant value list in the database module one by one and checks the protection constant value data;
s5: and after the client module finishes checking the protection constant value, automatically generating a checking report.
The conversion module has the functions of data reading and writing, application realization, external interface realization and the like; the data information stored in the database module comprises user information, fixed value information, a system operation log and fixed value operation records; the client module has a fixed value list importing and inquiring function, a fixed value checking function, a standing book management function and an operation recording function; in order to prevent a user from modifying the fixed value list by using a client, the client module comprises an administrator client and a common user client, the administrator client can allocate task authority to the common user client, and the task authority comprises any one or more of a station, a standing book management, a fixed value list task allocation, import/new establishment/check of the fixed value list, audit of the fixed value list, deletion of the fixed value list, template management and fixed value list number management.
After entering the client management system through the login of the administrator client, the first module of the left functional area is a constant value management module, and the functions of the first module mainly comprise: managing the creation of stations and guard intervals in the ledger; association of a guard interval with a template, association of a guard interval with a protection device; the fixed value list importing function is to import the fixed value list issued by the scheduling into a corresponding ledger interval, and the function needs to complete the following functions: the method can introduce and schedule newly issued electronic edition constant value lists, including file formats such as Excel, PDF, XML, cime and the like, can automatically identify the constant values of different constant value areas in one constant value list, then automatically store the constant values into corresponding constant value areas corresponding to the multi-division constant value list, and can automatically analyze the constant values of the remark areas into the constant values; the comparison function among a plurality of historical constant value lists is to highlight the difference of the constant value lists, such as a place where the difference is displayed in red; and (5) exporting and auditing the checking report.
When the fixed value needs to be checked, a new fixed value list is imported through the client module, the imported new fixed value list is correctly displayed after the audit of the imported new fixed value list passes, the new fixed value list can cover the historical fixed value list, the historical fixed value list is used for checking all fixed value lists of current protection, the difference between the two fixed value lists can be compared, the fixed value list in the process is used for timely displaying whether the audit passes or the audit fails, in the importing function of the new fixed value list, the data of the fixed value list is analyzed into a key technology, wherein the fixed value extraction of the fixed value list is carried out according to the logic, and the fixed value list fixedly comprises a serial number, a fixed value item name and a fixed value (new fixed value); the fixed value list can optionally comprise units, ranges, original fixed values and remarks; the constant value single content is presented by table content, and the two items are used as a header; the sequence numbers must be present and ordered (to distinguish between valued items and others, filtering out extraneous content); the definite value group names generally merge cells (used to distinguish definite value groups from definite value items, filter out definite value groups); all content must have a uniform format, no unrecognizable content (for filtering irrelevant content); the function of calling the running constant value list sends the constant value which is protected to run as the current running constant value list through the online monitoring module, and the calling result is checked with the newly imported constant value list in the client module.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A transformer substation field fixed value checking method is characterized by comprising the following specific checking steps:
s1, firstly, importing the latest fixed value list through the client module, and storing the latest fixed value list in the database module by the conversion module;
s2, the client module is used for sending a checking instruction to the online monitoring module by means of the conversion module and the communication service module;
s3, after receiving the checking instruction, the on-line monitoring module calls the fixed value information of the protection device to be sent, the sent fixed value information is subjected to data conversion through the communication service module, then the data are separated to form a current operation fixed value list, and the conversion module sends the current operation fixed value list to the database module and the client module respectively;
s4, after receiving the current operation constant value list, the client module compares the current operation constant value list with the protection constant value data in the latest constant value list in the database module one by one and checks the protection constant value data;
and S5, after the client module checks the protection fixed value, automatically generating a check report.
2. The substation site rating checking method according to claim 1, wherein: the communication service module adopts a state network 103 protocol standard for communication, protection fixed value data of the online monitoring module are collected by calling a customized 103 protocol communication service program, the protocol communication service program is mainly used for completing format conversion of the protection fixed value data, and parameters of each protection device, the fixed value parameters and soft pressing plate information are acquired and then packaged into a JSON format for transmission.
3. The substation site rating checking method according to claim 1, wherein: the conversion module has the functions of data reading and writing, application realization and external interface realization.
4. The substation site rating checking method according to claim 1, wherein: the data information stored in the database module comprises user information, fixed value information, a system operation log and fixed value operation records.
5. The substation site rating checking method according to claim 1, wherein: the client module has a fixed value list importing and inquiring function, a fixed value checking function, a standing book management function and an operation recording function.
6. The substation site rating checking method according to claim 5, wherein: the client module comprises an administrator client and a common user client, wherein the administrator client can distribute task permissions to the common user client, and the task permissions comprise any one or more of station, ledger management, constant value list task distribution, import/new construction/check constant value lists, audit constant value lists, constant value list deletion, template management and constant value list number management.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111394215.2A CN114123503B (en) | 2021-11-23 | 2021-11-23 | Transformer substation site fixed value checking method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111394215.2A CN114123503B (en) | 2021-11-23 | 2021-11-23 | Transformer substation site fixed value checking method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114123503A true CN114123503A (en) | 2022-03-01 |
| CN114123503B CN114123503B (en) | 2024-03-05 |
Family
ID=80440129
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111394215.2A Active CN114123503B (en) | 2021-11-23 | 2021-11-23 | Transformer substation site fixed value checking method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114123503B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115242893A (en) * | 2022-05-27 | 2022-10-25 | 国电南瑞科技股份有限公司 | Multi-protocol data acquisition system and method suitable for power distribution Internet of things management system |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080091692A1 (en) * | 2006-06-09 | 2008-04-17 | Christopher Keith | Information collection in multi-participant online communities |
| CN103390028A (en) * | 2013-06-26 | 2013-11-13 | 广东电网公司电力科学研究院 | Protection constant value checking method used for novel telecontrol machine |
| CN103580283A (en) * | 2013-10-31 | 2014-02-12 | 广东电网公司东莞供电局 | Power grid protecting device constant value checking system and method based on information protecting system |
| WO2014090023A1 (en) * | 2012-12-12 | 2014-06-19 | 湖北省电力公司 | Method of layered and graded data matching and relay protection setting value fusion for electrical power system |
| CN104079660A (en) * | 2014-07-14 | 2014-10-01 | 深圳市国电南思系统控制有限公司 | Method and device for constant value interaction of information protection system and constant value pre-warning system |
| CN107069957A (en) * | 2017-03-20 | 2017-08-18 | 云南电网有限责任公司玉溪供电局 | A kind of recording constant value remote online modification and check method |
| CN109038473A (en) * | 2017-06-08 | 2018-12-18 | 南京南瑞继保电气有限公司 | A kind of relay protection device constant value adjusting and nucleus correcting system based on file mode |
| CN113346448A (en) * | 2021-05-21 | 2021-09-03 | 贵州电网有限责任公司 | Protection fixed value granulation intelligent checking system based on big data for transformer substation |
-
2021
- 2021-11-23 CN CN202111394215.2A patent/CN114123503B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080091692A1 (en) * | 2006-06-09 | 2008-04-17 | Christopher Keith | Information collection in multi-participant online communities |
| WO2014090023A1 (en) * | 2012-12-12 | 2014-06-19 | 湖北省电力公司 | Method of layered and graded data matching and relay protection setting value fusion for electrical power system |
| CN103390028A (en) * | 2013-06-26 | 2013-11-13 | 广东电网公司电力科学研究院 | Protection constant value checking method used for novel telecontrol machine |
| CN103580283A (en) * | 2013-10-31 | 2014-02-12 | 广东电网公司东莞供电局 | Power grid protecting device constant value checking system and method based on information protecting system |
| CN104079660A (en) * | 2014-07-14 | 2014-10-01 | 深圳市国电南思系统控制有限公司 | Method and device for constant value interaction of information protection system and constant value pre-warning system |
| CN107069957A (en) * | 2017-03-20 | 2017-08-18 | 云南电网有限责任公司玉溪供电局 | A kind of recording constant value remote online modification and check method |
| CN109038473A (en) * | 2017-06-08 | 2018-12-18 | 南京南瑞继保电气有限公司 | A kind of relay protection device constant value adjusting and nucleus correcting system based on file mode |
| CN113346448A (en) * | 2021-05-21 | 2021-09-03 | 贵州电网有限责任公司 | Protection fixed value granulation intelligent checking system based on big data for transformer substation |
Non-Patent Citations (1)
| Title |
|---|
| 宁楠等: ""保护定值自动输入和核对技术研究与探讨"", 《电力信息化》, vol. 2016, no. 1, pages 26 - 29 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115242893A (en) * | 2022-05-27 | 2022-10-25 | 国电南瑞科技股份有限公司 | Multi-protocol data acquisition system and method suitable for power distribution Internet of things management system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114123503B (en) | 2024-03-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106557991B (en) | Voltage monitoring data platform | |
| CN104361419B (en) | Power transmission and transformation equipment state monitoring fault management system and method based on regulation and control unification | |
| CN110570101A (en) | Intelligent OMS system for power grid distribution network | |
| CN102930365B (en) | A kind of relay protection statistical analysis and the check method of operational management data | |
| CN112307003B (en) | Power grid data multidimensional auxiliary analysis method, system, terminal and readable storage medium | |
| CN106815373B (en) | Distribution network first-aid repair big data display method and system based on BI analysis | |
| CN104361445A (en) | Real-time labor management system and management method | |
| CN110647567B (en) | Power failure plan auxiliary decision system based on end data fusion | |
| CN107871004A (en) | A kind of power distribution network analysis of prices management system | |
| CN114123503A (en) | On-site fixed value checking method for transformer substation | |
| CN115640930A (en) | File utilization system | |
| CN107168265A (en) | Fixed value adjusting system and the automatic identification docking calculation for protecting letter system | |
| CN111768607A (en) | Multi-table counting data acquisition method, device, equipment and medium | |
| CN111984656B (en) | Method and system for checking basic data key parameters of intelligent substation automation equipment | |
| CN111352982A (en) | Manpower extraction analysis system based on big data | |
| CN114123504B (en) | Online monitoring method for transformer substation information | |
| CN111291546A (en) | Transformer substation equipment monitoring information table carding method based on version difference checking | |
| CN112347089B (en) | Method for checking power supply reliability data quality of multiple systems | |
| CN105718602A (en) | Cloud system for work safety standardization of rural hydropower station | |
| CN114583707A (en) | Fixed value list generation method and device for automatic voltage control of power grid | |
| CN106570807A (en) | National resident identity card information maintenance platform | |
| CN103268353A (en) | Power grid alarming automatic response system and power grid alarming automatic response method | |
| CN111817437A (en) | Intelligent substation intelligent oscillograph modeling method | |
| CN111489072A (en) | Big data management and analysis system based on city management | |
| CN110705230A (en) | Electronic ledger generation method and system based on overhaul operation behavior perception |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |