CN114066187A - Simulation method of power grid real-time data simulator - Google Patents

Simulation method of power grid real-time data simulator Download PDF

Info

Publication number
CN114066187A
CN114066187A CN202111304933.6A CN202111304933A CN114066187A CN 114066187 A CN114066187 A CN 114066187A CN 202111304933 A CN202111304933 A CN 202111304933A CN 114066187 A CN114066187 A CN 114066187A
Authority
CN
China
Prior art keywords
message
remote
simulator
station
measurement
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
Application number
CN202111304933.6A
Other languages
Chinese (zh)
Other versions
CN114066187B (en
Inventor
农运博
利莉
陈向晖
蒋婷
张琳
梁廷安
覃子明
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Qinzhou Power Supply Bureau of Guangxi Power Grid Co Ltd
Original Assignee
Qinzhou Power Supply Bureau of Guangxi Power Grid Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Qinzhou Power Supply Bureau of Guangxi Power Grid Co Ltd filed Critical Qinzhou Power Supply Bureau of Guangxi Power Grid Co Ltd
Priority to CN202111304933.6A priority Critical patent/CN114066187B/en
Publication of CN114066187A publication Critical patent/CN114066187A/en
Application granted granted Critical
Publication of CN114066187B publication Critical patent/CN114066187B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06QINFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q10/00Administration; Management
    • G06Q10/06Resources, workflows, human or project management; Enterprise or organisation planning; Enterprise or organisation modelling
    • G06Q10/063Operations research, analysis or management
    • G06Q10/0631Resource planning, allocation, distributing or scheduling for enterprises or organisations
    • G06Q10/06311Scheduling, planning or task assignment for a person or group
    • G06Q10/063112Skill-based matching of a person or a group to a task
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06QINFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q10/00Administration; Management
    • G06Q10/06Resources, workflows, human or project management; Enterprise or organisation planning; Enterprise or organisation modelling
    • G06Q10/063Operations research, analysis or management
    • G06Q10/0639Performance analysis of employees; Performance analysis of enterprise or organisation operations
    • G06Q10/06393Score-carding, benchmarking or key performance indicator [KPI] analysis
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06QINFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q10/00Administration; Management
    • G06Q10/06Resources, workflows, human or project management; Enterprise or organisation planning; Enterprise or organisation modelling
    • G06Q10/063Operations research, analysis or management
    • G06Q10/0639Performance analysis of employees; Performance analysis of enterprise or organisation operations
    • G06Q10/06398Performance of employee with respect to a job function
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06QINFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q50/00Information and communication technology [ICT] specially adapted for implementation of business processes of specific business sectors, e.g. utilities or tourism
    • G06Q50/10Services
    • G06Q50/20Education
    • G06Q50/205Education administration or guidance
    • G06Q50/2057Career enhancement or continuing education service

Landscapes

  • Business, Economics & Management (AREA)
  • Human Resources & Organizations (AREA)
  • Engineering & Computer Science (AREA)
  • Educational Administration (AREA)
  • Strategic Management (AREA)
  • Economics (AREA)
  • Entrepreneurship & Innovation (AREA)
  • Tourism & Hospitality (AREA)
  • Development Economics (AREA)
  • Marketing (AREA)
  • Physics & Mathematics (AREA)
  • General Business, Economics & Management (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Educational Technology (AREA)
  • Game Theory and Decision Science (AREA)
  • Operations Research (AREA)
  • Quality & Reliability (AREA)
  • General Health & Medical Sciences (AREA)
  • Primary Health Care (AREA)
  • Health & Medical Sciences (AREA)
  • Testing And Monitoring For Control Systems (AREA)

Abstract

The invention belongs to the technical field of power grid real-time data simulation, and discloses a simulation method of a power grid real-time data simulator.

Description

Simulation method of power grid real-time data simulator
Technical Field
The invention belongs to the technical field of power grid real-time data simulation, and particularly relates to a simulation method of a power grid real-time data simulator.
Background
The training base is usually built with three systems of OPEN, PCS and DF of the main stream of the OCS for power grid dispatching automation, four simulation stations are accessed, data of other models adopt data of historical sections, limited training and assessment can be performed on power grid dispatching automation technicians, and the training base is different from the OCS in actual operation.
Usually, a power grid dispatching automation OCS (online charging system) constructed by a training base adopts data of a historical section, and has great deviation with an OCS actually operated: the most outstanding part is the part of the front-end system, except for four simulation stations, other stations are in exit states, and the part cannot be trained and examined, so that the training effect is influenced, and the evaluation range is limited. The training system cannot provide a primary power grid operation environment to the maximum extent in the aspect of simulating the power grid operation condition, and the training effect is influenced.
Disclosure of Invention
The invention aims to provide a simulation method of a power grid real-time data simulator, which realizes that a trainee learns in a system which is close to actual operation, effectively improves the training effect of training and reflects the actual capability of the trainee.
In order to achieve the purpose, the invention provides a simulation method of a power grid real-time data simulator, which comprises the following steps: s1: entering a QT interface of the simulator, and setting station parameters; s2: the simulator reads in a plant station configuration file through menu/dialog box operation of a QT interface, automatically matches channel parameters of a plant station, generates a tree structure of the plant station according to the configuration file, and sets functions of single plant station switching on/off, plant station remote measurement, plant station remote signaling value and plant station message display on the tree structure through a menu; s3: starting a Server service through a connection button of the simulator, and waiting for the connection of a front-end system; s4: and after the front-end system is connected, the message is subjected to communication processing.
As a further technical improvement, the communication processing includes the steps of:
s4.1: the simulator adopts a multithreading technology, a communication thread is respectively established for each station, the connection of a front system is waited, and if the connection is successfully established, the next step is continued; returning to the previous step if the connection fails;
s4.2: opening a message file of a corresponding plant station, and simultaneously restoring a message stored by the plant station;
s4.3: message sorting: deleting the message translation, the redundant characters, the downlink messages (remote control, remote pulse, time synchronization, confirmation messages and the like) and the like in the original message to form a usable text message, converting the text message into a 16-system message, and putting the 16-system message into an uploading queue;
s4.4: checking whether the remote measurement and remote signaling of the station are set, if so, processing the remote measurement and remote signaling messages, and putting the remote measurement and remote signaling messages into an uploading queue;
s4.5: the simulator completes message reception of a front-end system and processes a downlink message issued by the front-end system;
s4.6: reading a message from the queue according to a protocol of a south network 104, and communicating with a front-end system;
s4.7: popping up a conversation ending dialog box operation on the QT interface, and if the selection is yes, ending the communication; no, return to step S4.3.
As a further technical improvement, the step S4.4 of performing telemetry and telecommand message processing includes simulating station telemetry and station telecommand; and remote measurement of the simulation station: the simulator sets a plurality of telemetering measurements for a station through a QT interface, judges whether the telemetering measurement exists in the change telemetering measurement being processed after the telemetering measurement is set, modifies the telemetering value as a set value if the telemetering measurement exists, inserts new telemetering measurement in the latest change telemetering measurement if the telemetering measurement does not exist, and transmits the new telemetering measurement to a front-end system to achieve the purpose of telemetering setting;
the simulation plant station remote signaling: the simulator sets a plurality of remote communication quantities for a station through a QT interface, simulates the running state of a primary system, such as accident trip simulation and the like, judges whether a remote communication message exists in a nearest message or not after the remote communication quantities are set, and modifies the remote communication quantity required to be set into a set remote communication state if the remote communication message exists; if there is no remote signaling message, adding the remote signaling message and inserting the remote signaling message into the message queue to be sent.
As a further technical improvement, the downlink message in step S4.5 includes a full data call, a remote control, a time synchronization, and a remote pulse, and the processing methods are as follows: and the processing of the full data call comprises the following steps: the simulator searches a main call message closest to the current call in the message as full data, responds to the front-end system and completes the whole data call process; and the remote control processing: the simulator generally processes the result as negative, remote control is wrong, and the whole remote control process is completed; and the time setting process comprises the following steps: the simulator returns a corresponding time synchronization message and completes the whole time synchronization process; and (3) remote pulse treatment: the simulator returns no data and completes the whole time synchronization process.
As a further technical improvement, the tree structure in step S2 further includes functions of adding and deleting factory stops through menus.
As a further technical improvement, in step S4.1, each station independently completes communication with the front-end system, including message restoration and message reception.
Compared with the prior art, the invention has the following beneficial technical effects:
1. the simulator is in real-time communication with the front-end system through message processing, the front-end system can receive messages from the simulator and can access to corresponding stations or all stations according to training requirements, the training system is infinitely close to an OCS (online charging system) which is actually operated, a trainer can train all contents which need to be trained and comprise a front-end channel, and an appraiser can set corresponding appraisal requirements according to the appraisal requirements to evaluate the personnel participating in the examination.
2. The trainees can learn in a system close to actual operation, and the training effect is effectively improved.
3. The examination personnel can take the examination in the familiar environment, and the actual ability of the examination personnel can be reflected to a greater extent.
Drawings
In order to illustrate the embodiments of the invention more clearly, reference will now be made to the appended drawings, which are needed for an embodiment of the invention and from which it will be apparent that only some embodiments of the invention are shown and that other drawings may be derived by those skilled in the art without the inventive faculty.
FIG. 1 is a block diagram of the workflow of the present invention.
Fig. 2 is a work flow diagram of a communication process.
Detailed Description
The embodiments of the present disclosure are described in detail below with reference to the accompanying drawings.
The embodiments of the present disclosure are described below with specific examples, and other advantages and effects of the present disclosure will be readily apparent to those skilled in the art from the disclosure in the specification. It is to be understood that the described embodiments are merely illustrative of some, and not restrictive, of the embodiments of the disclosure. The disclosure may be embodied or carried out in various other specific embodiments, and various modifications and changes may be made in the details within the description without departing from the spirit of the disclosure. It is to be noted that the features in the following embodiments and examples may be combined with each other without conflict. All other embodiments, which can be derived by a person skilled in the art from the embodiments disclosed herein without making any creative effort, shall fall within the protection scope of the present disclosure.
Examples
As shown in fig. 1-2, the present embodiment provides a simulation method of a power grid real-time data simulator, including the following steps:
s1: entering a QT interface of the simulator, and setting station parameters;
s2: the simulator operates through a menu/dialog box of a QT interface, reads in a plant station configuration file, automatically matches channel parameters of a plant station, generates a tree structure of the plant station according to the configuration file, sets single plant station switching/reversing, plant station remote measurement, plant station remote signaling values and plant station message display functions through the menu on the tree structure, and further comprises functions of adding and deleting the plant station.
S3: starting a Server service through a connection button of the simulator, and waiting for the connection of a front-end system;
s4: and after the front-end system is connected, the message is subjected to communication processing.
The communication processing includes the steps of:
s4.1: the simulator adopts a multithreading technology, a communication thread is respectively established for each station, the connection of a front system is waited, and if the connection is successfully established, the next step is continued; returning to the previous step if the connection fails; each station independently completes communication with the front-end system, including message reduction and message receiving processing;
s4.2: opening a message file of a corresponding plant station, and simultaneously restoring a message stored by the plant station;
s4.3: message sorting: deleting the message translation, the redundant characters, the downlink messages (remote control, remote pulse, time synchronization, confirmation messages and the like) and the like in the original message to form a usable text message, converting the text message into a 16-system message, and putting the 16-system message into an uploading queue;
s4.4: checking whether the remote measurement and remote signaling of the station are set, if so, processing the remote measurement and remote signaling messages, and putting the remote measurement and remote signaling messages into an uploading queue; the remote measuring and remote signaling message processing comprises the steps of simulating remote measuring of a station and simulating remote signaling of the station; and remote measurement of the simulation station: the simulator sets a plurality of telemetering measurements for a station through a QT interface, judges whether the telemetering measurement exists in the change telemetering measurement being processed after the telemetering measurement is set, modifies the telemetering value as a set value if the telemetering measurement exists, inserts new telemetering measurement in the latest change telemetering measurement if the telemetering measurement does not exist, and transmits the new telemetering measurement to a front-end system to achieve the purpose of telemetering setting;
the simulation plant station remote signaling: the simulator sets a plurality of remote communication quantities for a station through a QT interface, simulates the running state of a primary system, such as accident trip simulation and the like, judges whether a remote communication message exists in a nearest message or not after the remote communication quantities are set, and modifies the remote communication quantity required to be set into a set remote communication state if the remote communication message exists; if there is no remote signaling message, adding the remote signaling message and inserting the remote signaling message into the message queue to be sent.
S4.5: the simulator completes message reception of a front-end system and processes a downlink message issued by the front-end system; the downlink message comprises full data calling, remote control, time synchronization and remote pulse, and the processing methods are respectively as follows: and the processing of the full data call comprises the following steps: the simulator searches a main call message closest to the current call in the message as full data, responds to the front-end system and completes the whole data call process; and the remote control processing: the simulator generally processes the result as negative, remote control is wrong, and the whole remote control process is completed; and the time setting process comprises the following steps: the simulator returns a corresponding time synchronization message and completes the whole time synchronization process; and (3) remote pulse treatment: the simulator returns no data and completes the whole time synchronization process.
S4.6: reading a message from the queue according to a protocol of a south network 104, and communicating with a front-end system;
s4.7: popping up a conversation ending dialog box operation on the QT interface, and if the selection is yes, ending the communication; no, return to step S4.3.
It is clear to those skilled in the art that, for convenience and brevity of description, the specific working processes of the above-described systems, apparatuses and units may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.

Claims (6)

1. A simulation method of a power grid real-time data simulator is characterized by comprising the following steps:
s1: entering a QT interface of the simulator, and setting station parameters;
s2: the simulator reads in a plant station configuration file through menu/dialog box operation of a QT interface, automatically matches channel parameters of a plant station, generates a tree structure of the plant station according to the configuration file, and sets functions of single plant station switching on/off, plant station remote measurement, plant station remote signaling value and plant station message display on the tree structure through a menu;
s3: starting a Server service through a connection button of the simulator, and waiting for the connection of a front-end system;
s4: and after the front-end system is connected, the message is subjected to communication processing.
2. The simulation method of the power grid real-time data simulator according to claim 1, wherein: the communication processing includes the steps of:
s4.1: the simulator adopts a multithreading technology, a communication thread is respectively established for each station, the connection of a front system is waited, and if the connection is successfully established, the next step is continued; returning to the previous step if the connection fails;
s4.2: opening a message file of a corresponding plant station, and simultaneously restoring a message stored by the plant station;
s4.3: message sorting: performing deletion operation on message translation, redundant characters and downlink messages in the original message to form a usable text message, converting the text message into a 16-system message, and putting the 16-system message into an uploading queue;
s4.4: checking whether the remote measurement and remote signaling of the station are set, if so, processing the remote measurement and remote signaling messages, and putting the remote measurement and remote signaling messages into an uploading queue;
s4.5: the simulator completes message reception of a front-end system and processes a downlink message issued by the front-end system;
s4.6: reading a message from the queue according to a protocol of a south network 104, and communicating with a front-end system;
s4.7: popping up a conversation ending dialog box operation on the QT interface, and if the selection is yes, ending the communication; no, return to step S4.3.
3. The simulation method of the power grid real-time data simulator according to claim 2, wherein: step S4.4, the remote measurement and remote signaling message processing comprises the steps of simulating remote measurement of a station and simulating remote signaling of the station;
and remote measurement of the simulation station: the simulator sets a plurality of telemetering measurements for a station through a QT interface, judges whether the telemetering measurement exists in the change telemetering measurement being processed after the telemetering measurement is set, modifies the telemetering value as a set value if the telemetering measurement exists, inserts new telemetering measurement in the latest change telemetering measurement if the telemetering measurement does not exist, and transmits the new telemetering measurement to a front-end system to achieve the purpose of telemetering setting;
the simulation plant station remote signaling: the simulator sets a plurality of remote communication quantities for a station through a QT interface, simulates the running state of a primary system, such as accident trip simulation and the like, judges whether a remote communication message exists in a nearest message or not after the remote communication quantities are set, and modifies the remote communication quantity required to be set into a set remote communication state if the remote communication message exists; if there is no remote signaling message, adding the remote signaling message and inserting the remote signaling message into the message queue to be sent.
4. The simulation method of the power grid real-time data simulator according to claim 2, wherein: the downlink message in step S4.5 includes full data call, remote control, time synchronization, and remote pulse, and the processing methods are as follows:
and the processing of the full data call comprises the following steps: the simulator searches a main call message closest to the current call in the message as full data, responds to the front-end system and completes the whole data call process;
and the remote control processing: the simulator generally processes the result as negative, remote control is wrong, and the whole remote control process is completed;
and the time setting process comprises the following steps: the simulator returns a corresponding time synchronization message and completes the whole time synchronization process;
and (3) remote pulse treatment: the simulator returns no data and completes the whole time synchronization process.
5. The simulation method of the power grid real-time data simulator according to claim 1, wherein: the step S2 further includes functions of adding and deleting stations through the menu on the tree structure.
6. The simulation method of the power grid real-time data simulator according to claim 2, wherein: and S4.1, each station independently completes communication with the front-end system, including message reduction and message receiving processing.
CN202111304933.6A 2021-11-05 2021-11-05 Simulation method of power grid real-time data simulator Active CN114066187B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111304933.6A CN114066187B (en) 2021-11-05 2021-11-05 Simulation method of power grid real-time data simulator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111304933.6A CN114066187B (en) 2021-11-05 2021-11-05 Simulation method of power grid real-time data simulator

Publications (2)

Publication Number Publication Date
CN114066187A true CN114066187A (en) 2022-02-18
CN114066187B CN114066187B (en) 2024-05-17

Family

ID=80274060

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202111304933.6A Active CN114066187B (en) 2021-11-05 2021-11-05 Simulation method of power grid real-time data simulator

Country Status (1)

Country Link
CN (1) CN114066187B (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103731666A (en) * 2014-01-03 2014-04-16 国家电网公司 Video linkage simulation device and method
CN104318834A (en) * 2012-10-30 2015-01-28 江苏省电力公司常州供电公司 Work method for electric network management automation training system
CN104318833A (en) * 2012-10-30 2015-01-28 江苏省电力公司常州供电公司 Working method for of power grid dispatching automation training system
CN107492278A (en) * 2017-08-23 2017-12-19 国家电网公司 More supervisory control simulation implementation methods and analogue system for grid simulation training system

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104318834A (en) * 2012-10-30 2015-01-28 江苏省电力公司常州供电公司 Work method for electric network management automation training system
CN104318833A (en) * 2012-10-30 2015-01-28 江苏省电力公司常州供电公司 Working method for of power grid dispatching automation training system
CN103731666A (en) * 2014-01-03 2014-04-16 国家电网公司 Video linkage simulation device and method
CN107492278A (en) * 2017-08-23 2017-12-19 国家电网公司 More supervisory control simulation implementation methods and analogue system for grid simulation training system

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
宋双洋;赵姗;杨秋松;: "CMFSim:高可配可扩展的缓存微架构功能模拟器", 计算机系统应用, no. 10, 15 October 2017 (2017-10-15), pages 45 - 49 *
辛红汪;丁巧林;张铁峰;: "基于IEC61850的配电终端模拟器的设计和实现", 电力系统通信, no. 02, 10 February 2013 (2013-02-10), pages 38 - 45 *

Also Published As

Publication number Publication date
CN114066187B (en) 2024-05-17

Similar Documents

Publication Publication Date Title
CN108400908B (en) Automatic checking and accepting method for monitoring information of transformer substation
CN111192060B (en) Full-channel self-service response implementation method based on power IT service
CN106971663B (en) A kind of wind power plant analogue system and method
CN110784020A (en) Automatic checking and accepting equipment, system and method for monitoring information
CN106971273A (en) The transformer station's checking and accepting process control system and control method of intelligent alarm prompting
CN111416914B (en) Artificial intelligence voice interaction service system
CN109760041A (en) Cloud management system and its operating method based on chat robots
CN108322348B (en) Transformer substation monitoring information automatic acceptance signal triggering operation subsystem and method
CN109286538A (en) Communication protocol conformance test method and terminal device
CN109150636A (en) A kind of intelligent substation of full link information stream is assisted to experimental tests method and system
CN106296467A (en) A kind of method generating operation order
CN112737115A (en) Remote signaling joint debugging decoupling method for main station and plant station of transformer substation
CN110211445B (en) Power distribution network load transfer control application training system
CN102324788A (en) Power dispatching integrated anti-misoperation simulation comprehensive management platform
CN107257304A (en) Telemechanical is exempted to a configuration testing system
CN107481598A (en) A kind of emulation training platform of intelligent substation
CN110611312B (en) On-line simulation system and method for panoramic data of substation bay level
CN117439264A (en) Automatic acceptance checking system for monitoring information of substation of dispatching master station
CN103699760B (en) A kind of multilayer closed-loop main station detection data source simulation method
CN104184215B (en) Transformer station's dispatching automation joint debugging method and the Apparatus and system of application the method
CN114066187A (en) Simulation method of power grid real-time data simulator
CN109587161A (en) The monitoring method of smart grid remote control command transmission overall process information
CN116562852B (en) Distribution network power failure information management system based on knowledge graph
CN112737116A (en) Automatic checking and accepting method and system for telecontrol information
CN114785681B (en) Automatic checking and accepting system and method for monitoring information of transformer substation on-line equipment

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