CN113810223A - Method for realizing remote collection of HPLC maintenance logs - Google Patents

Method for realizing remote collection of HPLC maintenance logs Download PDF

Info

Publication number
CN113810223A
CN113810223A CN202110960348.5A CN202110960348A CN113810223A CN 113810223 A CN113810223 A CN 113810223A CN 202110960348 A CN202110960348 A CN 202110960348A CN 113810223 A CN113810223 A CN 113810223A
Authority
CN
China
Prior art keywords
collection
logs
sta
cco
concentrator
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.)
Pending
Application number
CN202110960348.5A
Other languages
Chinese (zh)
Inventor
张江川
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.)
Jiayuan Technology Co Ltd
Original Assignee
Jiayuan Technology 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 Jiayuan Technology Co Ltd filed Critical Jiayuan Technology Co Ltd
Priority to CN202110960348.5A priority Critical patent/CN113810223A/en
Publication of CN113810223A publication Critical patent/CN113810223A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/06Management of faults, events, alarms or notifications
    • H04L41/069Management of faults, events, alarms or notifications using logs of notifications; Post-processing of notifications
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B3/00Line transmission systems
    • H04B3/54Systems for transmission via power distribution lines

Abstract

The invention discloses a method for realizing remote collection of HPLC maintenance logs, which comprises the following steps: sending a collection log and a collection starting instruction message to a Central Coordinator (CCO), and after the collection starting instruction is issued, delaying a certain time and periodically issuing a collection starting instruction to the CCO; receiving the total number of the logs reported by the CCO, and performing fractional collection in subsequent collection frames according to the total number of the logs until all collection is finished; the CCO is used for cutting the received collected logs, reporting the total number of the cut logs to the concentrator, receiving a collection starting instruction sent by the concentrator, sending a log receiving message to the STA (station), starting the collection of the logs of the STA, waiting for a collection command of the concentrator after the collection is finished, and judging whether the collection of the logs of the STA is finished or not.

Description

Method for realizing remote collection of HPLC maintenance logs
Technical Field
The invention relates to a method for realizing remote collection of an HPLC maintenance log, belonging to the technical field.
Background
The traditional HPLC carrier is used as an auxiliary communication module of the equipment in the last kilometer of power utilization, and is sealed in various power utilization and power distribution related power equipment (an electric energy meter, a collector, a distribution line automatic terminal and the like), so when the carrier module breaks down, the collection of a diagnosis log cannot be directly carried out.
And due to the uncertainty of the installation of the power equipment, the individual installation scenes are the tops of low-voltage telegraph poles, the inside of electric meter boxes at certain corners of old residential buildings, rural field ground power poles and the like, so that the environment is complex, and the power safety is low.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide a method for realizing remote collection of an HPLC maintenance log so as to solve the problems of difficulty in uncovering an HPLC module, severe field environment, unsafe electricity consumption and the like and improve the efficiency of solving the problems on the field.
In order to achieve the purpose, the invention is realized by adopting the following technical scheme:
in a first aspect, the present invention provides a method for implementing remote collection of HPLC maintenance logs, including:
sending a collection log and a collection starting instruction message to a Central Coordinator (CCO), and after the collection starting instruction is issued, delaying a certain time and periodically issuing a collection starting instruction to the CCO;
receiving the total number of the logs reported by the CCO, and performing fractional collection in subsequent collection frames according to the total number of the logs until all collection is finished; wherein the content of the first and second substances,
the CCO is used for cutting the received collection logs, reporting the total number of the cut logs to the concentrator, receiving a collection starting instruction sent by the concentrator, sending a log collection message to the STA of the site, starting the collection of the logs of the STA, waiting for a collection command of the concentrator after the collection is finished, judging whether the collection of the STA logs is finished, if the CCO finishes the collection of the STA logs, reporting the collected STA logs to the concentrator, and otherwise, replying a negative acknowledgement frame.
Further, after receiving the collection start instruction sent by the concentrator, the CCO first determines whether the STA is online, if so, replies a confirmation and starts collecting the STA log, otherwise, replies a negative confirmation frame.
Further, when the STA receives a collected log message sent by the CCO, the STA cuts the log stored in the STA into multiple segments.
In a second aspect, the present invention provides a method for implementing remote collection of HPLC maintenance logs, applied to a central coordinator CCO, including:
receiving a collection log sent by a concentrator, cutting the received collection log, and reporting the total number of the cut logs to the concentrator;
receiving a collection starting instruction sent by a concentrator, sending a log collecting message to a station STA, starting log collection of the STA, and waiting for a collection command of the concentrator after the collection is finished;
judging whether the STA log is collected completely, if the CCO collects the STA log completely, reporting the collected STA log to a concentrator, and if not, replying a negative frame; wherein the content of the first and second substances,
the concentrator is used for sending a collection log and a collection starting instruction message to the CCO, and after the collection starting instruction is issued, the concentrator delays a certain time to issue a collection starting instruction to the CCO periodically;
and receiving the total number of the logs reported by the CCO, and performing fractional collection in subsequent collection frames according to the total number of the logs until all collection is finished.
Further, after receiving the collection start instruction sent by the concentrator, the CCO first determines whether the STA is online, if so, replies a confirmation and starts collecting the STA log, otherwise, replies a negative confirmation frame.
Further, when the STA receives a collected log message sent by the CCO, the STA cuts the log stored in the STA into multiple segments.
In a third aspect, the present invention provides an apparatus for implementing remote collection of HPLC maintenance logs, including:
the concentrator is used for sending a collection log and a collection starting instruction message to the CCO, delaying a certain time to periodically send a collection starting instruction to the CCO after the collection starting instruction is sent, receiving the total number of logs reported by the CCO, and collecting in subsequent collection frames in a grading manner according to the total number of the logs until all collection is finished;
the CCO is used for cutting the received collection logs, reporting the total number of the cut logs to the concentrator, receiving a collection starting instruction sent by the concentrator, sending a log collection message to the STA (station), starting the collection of the logs of the STA, waiting for a collection command of the concentrator after the collection is finished, judging whether the collection of the STA logs is finished, if the CCO finishes the collection of the STA logs, reporting the collected STA logs to the concentrator, and if not, replying a negative acknowledgement frame;
and the STA is used for cutting the log stored by the STA into a plurality of sections when receiving the collected log message sent by the CCO.
Further, a storage module is arranged in the CCO and is used for storing the received collection log.
Further, the concentrator communicates with the CCO via the 1376.2 protocol.
Further, the CCO and the STA communicate through a broadband carrier protocol.
Compared with the prior art, the invention has the following beneficial effects:
the remote log collection scheme provided by the invention can directly collect the diagnosis logs of the whole network in the centralized power distribution equipment similar to a concentrator, and can realize the operations of collecting and positioning problems of the whole network without going to the field and requiring the qualification of electrician construction.
Drawings
FIG. 1 is a schematic structural diagram of a method for implementing remote collection of HPLC maintenance logs according to an embodiment of the present invention;
FIG. 2 is a diagram illustrating a protocol related to modules and power devices and a power line transmission protocol according to an embodiment of the present invention;
FIG. 3 is a flow diagram illustrating a collection of CCO logs provided by an embodiment of the invention;
fig. 4 is a schematic flow chart of collecting STA logs according to an embodiment of the present invention;
fig. 5 is a schematic flow chart of collecting STA logs according to an embodiment of the present invention;
fig. 6 is a schematic flow chart of collecting STA logs according to an embodiment of the present invention.
Detailed Description
The invention is further described below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
Example 1
The embodiment introduces a method for realizing remote collection of HPLC maintenance logs, which is applied to a concentrator and includes:
sending a collection log and a collection starting instruction message to a Central Coordinator (CCO), and after the collection starting instruction is issued, delaying a certain time and periodically issuing a collection starting instruction to the CCO;
receiving the total number of the logs reported by the CCO, and performing fractional collection in subsequent collection frames according to the total number of the logs until all collection is finished; wherein the content of the first and second substances,
the CCO is used for cutting the received collection logs, reporting the total number of the cut logs to the concentrator, receiving a collection starting instruction sent by the concentrator, sending a log collection message to the STA of the site, starting the collection of the logs of the STA, waiting for a collection command of the concentrator after the collection is finished, judging whether the collection of the STA logs is finished, if the CCO finishes the collection of the STA logs, reporting the collected STA logs to the concentrator, and otherwise, replying a negative acknowledgement frame.
And after receiving the collection starting instruction sent by the concentrator, the CCO judges whether the STA is online or not, if so, replies confirmation and starts to collect the STA log, and otherwise, replies a negative confirmation frame.
And when the STA receives the log collecting message sent by the CCO, the log stored by the STA is cut into multiple sections.
The method for realizing remote collection of the HPLC maintenance log provided by the embodiment specifically comprises the following application processes:
as shown in fig. 1: the HPLC network is composed of a head node and a plurality of slave nodes, wherein part of the slave nodes are used as proxy nodes to play the role of forwarding relay;
as shown in fig. 2: the concentrator and the CCO communicate through 1376.2 protocol, and the CCO and the STA/STA and the STA communicate through broadband carrier protocol, wherein the broadband carrier communication protocol is divided into physical layer, protocol layer and application layer in similar network protocol, and each layer has its own protocol specification.
As shown in fig. 3:
1. the concentrator issues a command for collecting CCO logs through an extension 1376.2 protocol, and after the CCO receives the command, the CCO artificially cuts the logs stored by the CCO into a plurality of sections;
2. replying the total number of log segments and reporting the logs collected by the current concentrator;
3. repeating the step 2 for multiple times until the last section is reported to the concentrator;
as shown in fig. 4:
1. the concentrator starts to collect STA logs, and firstly issues a command for starting a certain STA to collect the logs through an 1376.2 protocol;
2, after receiving the instruction, the CCO judges whether the STA is online, if so, replies a confirmation and starts to collect the STA log, otherwise, replies a negative frame;
as shown in fig. 5:
1. when the STA receives a log collecting message issued by a CCO (content center over broadband) through a broadband carrier protocol application layer protocol, the STA artificially cuts the log stored by the STA into a plurality of sections;
2. if the time window is not exceeded, the total segment number of the logs is replied and the logs collected by the current concentrator are reported, otherwise, the collection is finished;
3. repeating the step 2 for multiple times until the last section is reported to the concentrator;
as shown in fig. 6:
1. the concentrator collects the stored STA logs on the CCO;
2, CCO judges if the STA log is collected, reports the total number of segments and reports the log collected at the time, otherwise reports a negative frame;
3. and (4) repeating the step (2) within the time window range until the collection is finished, otherwise, replying a negative frame and ending.
The remote log collection scheme provided by the invention can directly collect the diagnosis logs of the whole network in the centralized power distribution equipment similar to a concentrator, and can realize the operations of collecting and positioning problems of the whole network without going to the field and requiring the qualification of electrician construction.
Example 2
The embodiment provides a method for realizing remote collection of an HPLC maintenance log, which is applied to a Central Coordinator (CCO), and comprises the following steps:
receiving a collection log sent by a concentrator, cutting the received collection log, and reporting the total number of the cut logs to the concentrator;
receiving a collection starting instruction sent by a concentrator, sending a log collecting message to a station STA, starting log collection of the STA, and waiting for a collection command of the concentrator after the collection is finished;
judging whether the STA log is collected completely, if the CCO collects the STA log completely, reporting the collected STA log to a concentrator, and if not, replying a negative frame; wherein the content of the first and second substances,
the concentrator is used for sending a collection log and a collection starting instruction message to the CCO, and after the collection starting instruction is issued, the concentrator delays a certain time to issue a collection starting instruction to the CCO periodically;
and receiving the total number of the logs reported by the CCO, and performing fractional collection in subsequent collection frames according to the total number of the logs until all collection is finished.
And after receiving the collection starting instruction sent by the concentrator, the CCO judges whether the STA is online or not, if so, replies confirmation and starts to collect the STA log, and otherwise, replies a negative confirmation frame.
And when the STA receives the log collecting message sent by the CCO, the log stored by the STA is cut into multiple sections.
Example 3
The embodiment provides a device for realizing remote collection of HPLC maintenance logs, which comprises:
the concentrator is used for sending a collection log and a collection starting instruction message to the CCO, delaying a certain time to periodically send a collection starting instruction to the CCO after the collection starting instruction is sent, receiving the total number of logs reported by the CCO, and collecting in subsequent collection frames in a grading manner according to the total number of the logs until all collection is finished;
the CCO is used for cutting the received collection logs, reporting the total number of the cut logs to the concentrator, receiving a collection starting instruction sent by the concentrator, sending a log collection message to the STA (station), starting the collection of the logs of the STA, waiting for a collection command of the concentrator after the collection is finished, judging whether the collection of the STA logs is finished, if the CCO finishes the collection of the STA logs, reporting the collected STA logs to the concentrator, and if not, replying a negative acknowledgement frame;
and the STA is used for cutting the log stored by the STA into a plurality of sections when receiving the collected log message sent by the CCO.
And the CCO is provided with a storage module for storing the received collection log.
The concentrator communicates with the CCO via the 1376.2 protocol.
And the CCO and the STA communicate through a broadband carrier protocol.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims (10)

1. A method for realizing remote collection of HPLC maintenance logs is applied to a concentrator and is characterized by comprising the following steps:
sending a collection log and a collection starting instruction message to a Central Coordinator (CCO), and after the collection starting instruction is issued, delaying a certain time and periodically issuing a collection starting instruction to the CCO;
receiving the total number of the logs reported by the CCO, and performing fractional collection in subsequent collection frames according to the total number of the logs until all collection is finished; wherein the content of the first and second substances,
the CCO is used for cutting the received collection logs, reporting the total number of the cut logs to the concentrator, receiving a collection starting instruction sent by the concentrator, sending a log collection message to the STA of the site, starting the collection of the logs of the STA, waiting for a collection command of the concentrator after the collection is finished, judging whether the collection of the STA logs is finished, if the CCO finishes the collection of the STA logs, reporting the collected STA logs to the concentrator, and otherwise, replying a negative acknowledgement frame.
2. A method of performing remote collection of HPLC maintenance logs according to claim 1, wherein: and after receiving the collection starting instruction sent by the concentrator, the CCO judges whether the STA is online or not, if so, replies confirmation and starts to collect the STA log, and otherwise, replies a negative confirmation frame.
3. A method of performing remote collection of HPLC maintenance logs according to claim 1, wherein: and when the STA receives the log collecting message sent by the CCO, the log stored by the STA is cut into multiple sections.
4. A method for realizing remote collection of HPLC maintenance logs is applied to a Central Coordinator (CCO), and is characterized by comprising the following steps:
receiving a collection log sent by a concentrator, cutting the received collection log, and reporting the total number of the cut logs to the concentrator;
receiving a collection starting instruction sent by a concentrator, sending a log collecting message to a station STA, starting log collection of the STA, and waiting for a collection command of the concentrator after the collection is finished;
judging whether the STA log is collected completely, if the CCO collects the STA log completely, reporting the collected STA log to a concentrator, and if not, replying a negative frame; wherein the content of the first and second substances,
the concentrator is used for sending a collection log and a collection starting instruction message to the CCO, and after the collection starting instruction is issued, the concentrator delays a certain time to issue a collection starting instruction to the CCO periodically;
and receiving the total number of the logs reported by the CCO, and performing fractional collection in subsequent collection frames according to the total number of the logs until all collection is finished.
5. A method of performing remote collection of HPLC maintenance logs according to claim 4, wherein: and after receiving the collection starting instruction sent by the concentrator, the CCO judges whether the STA is online or not, if so, replies confirmation and starts to collect the STA log, and otherwise, replies a negative confirmation frame.
6. A method of performing remote collection of HPLC maintenance logs according to claim 4, wherein: and when the STA receives the log collecting message sent by the CCO, the log stored by the STA is cut into multiple sections.
7. An apparatus for implementing remote collection of HPLC maintenance logs, comprising:
the concentrator is used for sending a collection log and a collection starting instruction message to the CCO, delaying a certain time to periodically send a collection starting instruction to the CCO after the collection starting instruction is sent, receiving the total number of logs reported by the CCO, and collecting in subsequent collection frames in a grading manner according to the total number of the logs until all collection is finished;
the CCO is used for cutting the received collection logs, reporting the total number of the cut logs to the concentrator, receiving a collection starting instruction sent by the concentrator, sending a log collection message to the STA (station), starting the collection of the logs of the STA, waiting for a collection command of the concentrator after the collection is finished, judging whether the collection of the STA logs is finished, if the CCO finishes the collection of the STA logs, reporting the collected STA logs to the concentrator, and if not, replying a negative acknowledgement frame;
and the STA is used for cutting the log stored by the STA into a plurality of sections when receiving the collected log message sent by the CCO.
8. An apparatus for performing remote collection of HPLC maintenance logs according to claim 7, wherein: and the CCO is provided with a storage module for storing the received collection log.
9. An apparatus for performing remote collection of HPLC maintenance logs according to claim 7, wherein: the concentrator communicates with the CCO via the 1376.2 protocol.
10. An apparatus for performing remote collection of HPLC maintenance logs according to claim 7, wherein: and the CCO and the STA communicate through a broadband carrier protocol.
CN202110960348.5A 2021-08-20 2021-08-20 Method for realizing remote collection of HPLC maintenance logs Pending CN113810223A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110960348.5A CN113810223A (en) 2021-08-20 2021-08-20 Method for realizing remote collection of HPLC maintenance logs

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110960348.5A CN113810223A (en) 2021-08-20 2021-08-20 Method for realizing remote collection of HPLC maintenance logs

Publications (1)

Publication Number Publication Date
CN113810223A true CN113810223A (en) 2021-12-17

Family

ID=78941677

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110960348.5A Pending CN113810223A (en) 2021-08-20 2021-08-20 Method for realizing remote collection of HPLC maintenance logs

Country Status (1)

Country Link
CN (1) CN113810223A (en)

Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000165304A (en) * 1998-09-21 2000-06-16 Mitsubishi Electric Corp Power line carrier communication device and its communication control method
US20130343403A1 (en) * 2012-06-20 2013-12-26 Texas Instruments Incorporated Retransmission Mechanism for Segmented Frames in Power Line Communication (PLC) Networks
JP2014155196A (en) * 2013-02-13 2014-08-25 Panasonic Corp Power line carrier communication terminal and meter-reading terminal
WO2014155987A1 (en) * 2013-03-27 2014-10-02 パナソニック株式会社 Communication system and communication apparatus
US20150071364A1 (en) * 2013-09-12 2015-03-12 Texas Instruments Incorporated Power Line Communication using Padding to Overcome Interleaver Failings
CN104574906A (en) * 2015-01-26 2015-04-29 北京迪创伟业科技有限公司 Concentrator for remote meter reading and data acquiring system for remote meter reading
CN106059848A (en) * 2016-05-06 2016-10-26 南京大学 BeiDou short message communication-based electric power data acquisition transmission processing system and method
CN108880619A (en) * 2018-07-26 2018-11-23 航天亮丽电气有限责任公司 A kind of automatic meter reading method using bandwidth carrier communication module
CN110764801A (en) * 2019-09-29 2020-02-07 国网湖南省电力有限公司 High-speed power line carrier remote upgrading method and device
CN110929277A (en) * 2019-11-19 2020-03-27 国网山东省电力公司潍坊市寒亭区供电公司 Data concentrator, and method and system for processing electric energy metering data
CN111145523A (en) * 2020-01-03 2020-05-12 重庆邮电大学 Method for upgrading micropower wireless communication module in electricity consumption information acquisition system
CN113012421A (en) * 2021-02-09 2021-06-22 深圳市国电科技通信有限公司 Method and system for remote operation and maintenance of HPLC communication module
CN113034884A (en) * 2020-12-28 2021-06-25 国家电网有限公司 Electric power data acquisition method based on HPLC

Patent Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000165304A (en) * 1998-09-21 2000-06-16 Mitsubishi Electric Corp Power line carrier communication device and its communication control method
US20130343403A1 (en) * 2012-06-20 2013-12-26 Texas Instruments Incorporated Retransmission Mechanism for Segmented Frames in Power Line Communication (PLC) Networks
JP2014155196A (en) * 2013-02-13 2014-08-25 Panasonic Corp Power line carrier communication terminal and meter-reading terminal
WO2014155987A1 (en) * 2013-03-27 2014-10-02 パナソニック株式会社 Communication system and communication apparatus
US20150071364A1 (en) * 2013-09-12 2015-03-12 Texas Instruments Incorporated Power Line Communication using Padding to Overcome Interleaver Failings
CN104574906A (en) * 2015-01-26 2015-04-29 北京迪创伟业科技有限公司 Concentrator for remote meter reading and data acquiring system for remote meter reading
CN106059848A (en) * 2016-05-06 2016-10-26 南京大学 BeiDou short message communication-based electric power data acquisition transmission processing system and method
CN108880619A (en) * 2018-07-26 2018-11-23 航天亮丽电气有限责任公司 A kind of automatic meter reading method using bandwidth carrier communication module
CN110764801A (en) * 2019-09-29 2020-02-07 国网湖南省电力有限公司 High-speed power line carrier remote upgrading method and device
CN110929277A (en) * 2019-11-19 2020-03-27 国网山东省电力公司潍坊市寒亭区供电公司 Data concentrator, and method and system for processing electric energy metering data
CN111145523A (en) * 2020-01-03 2020-05-12 重庆邮电大学 Method for upgrading micropower wireless communication module in electricity consumption information acquisition system
CN113034884A (en) * 2020-12-28 2021-06-25 国家电网有限公司 Electric power data acquisition method based on HPLC
CN113012421A (en) * 2021-02-09 2021-06-22 深圳市国电科技通信有限公司 Method and system for remote operation and maintenance of HPLC communication module

Similar Documents

Publication Publication Date Title
CN102818590A (en) Wireless sensor network-based transmission lines icing on-line monitoring system
CN109256854A (en) The method being monitored to distributed photovoltaic plant is realized based on wireless communication
Tabassum et al. Implementation and performance evaluation of advance metering infrastructure for Borneo-Wide Power Grid
CN209267591U (en) The communication system of substation
CN110853317A (en) Remote meter reading method and system
Wei et al. Power wireless private network in energy IoT: Challenges, opportunities and solutions
CN110557232B (en) Communication mode selection method of dual-mode communication network
TW201603627A (en) Grid gateway and transmission tower management system with multiple grid gateways
CN202978439U (en) Process level networking structure applicable to centralized station domain protection communication of intelligent substations
CN204408637U (en) Marine wind electric field O&M communication system
Ding et al. Slice network framework and use cases based on FlexE technology for power services
CN113810223A (en) Method for realizing remote collection of HPLC maintenance logs
CN110224440A (en) A kind of photovoltaic module generated output optimization system with wireless self-networking function
CN103248519A (en) Fault auxiliary analysis and short message warning system for communication station
CN106131104A (en) A kind of photovoltaic plant group network system based on LTE radio communication
CN214154556U (en) Electric power private network system based on 5G network
CN104701824B (en) A kind of protocol converter, low-voltage network leakage protection system and its intellective protector stipulations automatic switching method
Miao et al. Coverage and capacity analysis of LTE-based power wireless private network
CN101436777B (en) Relay protection monitoring system and method based on sensor network
CN101499682A (en) Improved implementation method for power distribution automation
CN110830082B (en) Power line broadband carrier concentrator
CN108632290B (en) Real-time data forwarding system and method for power dispatching automation system
Li et al. Research on power communication mode under the architecture of mountain microgrid
CN202013643U (en) Electric power information collecting net based on SCDMA (Synchronous Code Division Multiple Access) broadband wireless private network technology
CN111082515A (en) Data transmission method between main substation and sub-substation of intelligent substation

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