CN114745265B - Intelligent substation gateway system realization method supporting protocol replacement - Google Patents
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/08—Configuration management of networks or network elements
- H04L41/0803—Configuration setting
- H04L41/0806—Configuration setting for initial configuration or provisioning, e.g. plug-and-play
- H04L41/0809—Plug-and-play configuration
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/66—Arrangements for connecting between networks having differing types of switching systems, e.g. gateways
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/08—Configuration management of networks or network elements
- H04L41/0876—Aspects of the degree of configuration automation
- H04L41/0886—Fully automatic configuration
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
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- 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
- Y04S10/18—Systems supporting electrical power generation, transmission or distribution using switches, relays or circuit breakers, e.g. intelligent electronic devices [IED]
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Abstract
The invention discloses an intelligent substation gateway system realization method supporting protocol replacement, which comprises the following steps: importing an intelligent substation SCD file, and extracting all relevant IED configurations; initializing a protocol data interaction area, and setting an upper channel mark and a lower channel mark of each IED; starting a lower protocol processing task and an upper protocol processing task, and initializing all relevant IED configurations; the method comprises the steps of determining and selecting a pair of lower channels and a pair of upper channels of a protocol data interaction area at fixed time; when the establishment of the lower channel and the upper channel is successful, the protocol data interaction area completes the automatic selection and penetration of the upper channel and the lower channels of all IEDs, and the forwarding and transmission of the communication data in the station and the communication data outside the station are realized. The invention enables the gateway system to support the plug-and-play replacement of the communication protocol between the device in the station and the communication protocol outside the station, can avoid configuration change and power failure debugging after the protocol replacement, and completes the self-adaptive replacement of the protocol under the condition of no need of restarting initialization.
Description
Technical Field
The invention relates to the technical field of intelligent substation automation, in particular to an intelligent substation gateway system realization method supporting protocol replacement.
Background
The intelligent substation is based on IEC61850 standard for modeling and communication, and along with the development of related technologies and the annual improvement of the requirements of China on the reliability and safety of the intelligent substation, the communication protocol is continuously upgraded and improved. The communication protocol of the station control layer in the intelligent station is gradually changed from MMS to domestic protocol, and the communication protocol of the transmission outside the station is also changed from the mode of commonly adopting IEC104 protocol to the mode of combining IEC104 and domestic protocol.
The intelligent substation gateway system (or device) is a key existence of the system or device, faces the tasks of communication in the station and communication outside the station, and has a plurality of types of protocols, and once any communication protocol form changes, the parameters need to be reconfigured and a large amount of debugging and information checking work is carried out. In the intelligent substation which is put into operation, when a communication protocol needs to be replaced due to the reasons of safety upgrading of communication of equipment in the substation, improvement of communication functions outside the substation and the like, long-time power outage maintenance and debugging must be applied, and the influence on power supply reliability is huge. How to realize the uninterrupted power self-adaptive replacement of the gateway system when the in-station device and the out-of-station communication protocol are changed becomes a problem to be solved urgently.
Disclosure of Invention
The invention provides an intelligent substation gateway system realization method supporting protocol replacement, which aims at: the gateway system supports plug-and-play replacement of communication protocols in the intelligent substation and communication protocols outside the intelligent substation, configuration can not be changed after the replacement of the protocols, power failure debugging is avoided, self-adaptive replacement of the protocols is completed under the condition that restarting initialization is not needed, and the power supply reliability of the power system is not affected.
The technical scheme of the invention is as follows:
an intelligent substation gateway system implementation method supporting protocol replacement comprises the following steps:
s1: importing an intelligent substation SCD file, analyzing and extracting IED configuration parameters all having communication interaction relation with a gateway system;
s2: initializing a protocol data interaction area, and setting an upper channel mark and a lower channel mark of each IED;
s3: starting a lower protocol processing task and an upper protocol processing task, and initializing all relevant IED configurations;
s4: the right-down channel and the right-up channel of the protocol data interaction area are judged and selected regularly through the right-down protocol processing task and the right-up protocol processing task;
s5: when the establishment of the lower channel and the upper channel is successful, the protocol data interaction area completes the automatic selection and penetration of the upper channel and the lower channels of all IEDs, and the forwarding and transmission of the communication data in the station and the communication data outside the station are realized.
Further, the step S2 specifically includes establishing an information point table for each IED in the protocol data interaction area, for performing data reading and writing operations on the upper protocol processing task and the lower protocol processing task, and setting a lower channel flag, where the lower channel flag value includes MMS, a localization protocol, and null; and establishing an on-pair forwarding mapping table from an information point table in each IED to the IEC104 and the localization protocol, and setting an all-station on-pair channel mark, wherein the value of the on-pair channel mark comprises the IEC104, the localization protocol and the null.
Further, the establishing an on-pair forwarding mapping table from the information point table to the IEC104 and the localization protocol in each IED in step S2 includes: mapping the index of the related references of the lower communication to the public body address and the information body address of the upper IEC104 protocol, mapping the logic device in the upper ICD model and the lower IED by the domestic protocol, and mapping the index of the related references of the lower communication to the index of the references of the domestic protocol.
Further, the processing tasks of the lower protocol in step S3 include processing tasks of the lower MMS protocol and processing tasks of the lower localization protocol, and the processing tasks of the upper protocol include processing tasks of the upper IEC104 protocol and processing tasks of the upper localization protocol;
step S3 specifically includes starting a task for processing a lower MMS protocol, initializing and applying for system resources according to the scale configured by all relevant IEDs, and establishing a circulation mechanism to process the connection and communication interaction of each IED for the lower MMS protocol;
starting a processing task of the next domestic protocol, initializing and applying for system resources according to the scale of all relevant IEDs, and establishing a circulation mechanism to process the connection and communication interaction of each IED on the next domestic protocol at regular time;
starting an upper IEC104 protocol processing task, initializing an upper transmission information point table according to a preset IEC104 protocol, applying for system resources, and using an upper forwarding mapping table from the information point table in each IED to the IEC104 protocol, which is established in the step S2, to process the connection and communication interaction of the total station to the upper IEC104 protocol at regular time;
and (2) starting a processing task of the upper domestic protocol, initializing an upper forwarding ICD model according to the domestic protocol, applying for system resources, and using the upper forwarding mapping table from the information point table in each IED established in the step (S2) to the domestic protocol to process the connection and communication interaction of the total station to the upper domestic protocol at fixed time.
Further, the determining and selecting the pair-down channel of the protocol data interaction area in step S4 specifically includes: and before the paired-down MMS protocol processing task actively connects a certain IED at regular time, judging the paired-down channel mark of the corresponding IED in the protocol data interaction area at regular time, discarding the active connection when the paired-down channel mark is not empty, waiting for the arrival of the next timed active connection, continuously trying to establish MMS paired-down connection with the station device when the paired-down channel mark is empty, establishing a channel of the paired-down MMS protocol processing task and the protocol data interaction area after successful connection, and informing other paired-down protocols that the paired-down channel mark is MMS for informing that the other paired-down protocols do not need repeated connection.
Further, the step S4 further includes, after the establishment of the channel between the processing task of the lower MMS protocol and the protocol data interaction area, determining whether the lower MMS connection is interrupted at regular time, and setting the flag of the lower channel to be empty when the lower MMS connection is interrupted, so as to allow other active connection attempts of the lower protocol for realizing automatic selection of the lower channel.
Further, the determining and selecting the upper channel of the protocol data interaction area in the timing in step S4 specifically includes: and before the on-site IEC104 protocol processing task is connected with the off-site system or equipment at regular time, determining an on-site channel mark in the protocol data interaction area at regular time, giving up the active connection when the on-site channel mark is not empty and waiting for the next time of timing active connection, continuously attempting to establish IEC104 protocol connection with the off-site system or equipment when the on-site channel mark is empty, establishing an on-site IEC104 protocol processing task and protocol data interaction area channel after connection is successful, and setting the on-site channel mark as IEC104 for notifying other on-site protocols that repeated connection is not needed.
Further, step S4 further includes, after the channel between the processing task of the upper IEC104 protocol and the protocol data interaction zone is established successfully, determining whether the connection of the upper IEC104 is interrupted at regular time, and setting the flag of the upper channel to be empty when the connection is interrupted, so as to allow other active connection attempts of the upper protocol, so as to realize automatic selection of the upper channel.
Further, the upper channel flag and the lower channel flag are both set to null at the time of initialization.
Further, the IED configuration parameters in step S1 include communication parameters, data set parameters, and report control block parameters, for initialization of each protocol processing task and protocol data interaction zone; the communication parameters include an IP address and a subnet mask, the data set parameters include an analog quantity, a state quantity, a device parameter, and a fixed value, and the report control block parameters include an instance number, a trigger mode, and a cache parameter.
Compared with the prior art, the invention has the following beneficial effects: the configuration of the protocol data interaction area of the gateway system and the matching among all protocol processing tasks are used for completing the automatic selection and penetration of a lower channel and an upper channel, forwarding and transmission of communication data in a station and communication data outside the station are carried out, when the communication protocols in the station and the communication protocols outside the station are changed, the gateway system completes the self-adaptive replacement of the protocols under the conditions of no configuration change, no power failure debugging and no restarting initialization, namely the plug-and-play replacement is completed, the difficult problem that the communication protocols of the gateway system are replaced due to the reasons of safety upgrading of equipment communication in the station, the improvement of communication functions outside the station and the like of the intelligent substation is solved to a certain extent, the power user is not required to apply for the power failure maintenance of the whole station, a large amount of debugging work of the gateway system brought after the replacement is avoided, the technical improvement cost of the intelligent substation is saved, and the power supply reliability is ensured.
Drawings
FIG. 1 is an overall flow chart of the present invention;
FIG. 2 is a flow chart of a protocol processing task under pair;
FIG. 3 is a flow chart of a process task for the upper protocol;
FIG. 4 is a schematic diagram of communication modes of in-station devices in the embodiment;
fig. 5 is a schematic diagram of a communication manner of a device in a new station in an embodiment.
Detailed Description
The technical scheme of the invention is described in detail below with reference to the accompanying drawings:
referring to fig. 1, a method for implementing an intelligent substation gateway system supporting protocol exchange includes the following steps:
s1: and importing an intelligent substation SCD file, analyzing and extracting IED configuration which has communication interaction relation with a gateway system, namely IED configuration comprising a station control layer access point, further acquiring communication parameters, data set parameters, report control block parameters and the like for initializing each protocol processing task and protocol data interaction area. The communication parameters include an IP address, a subnet mask, etc., the data set parameters include an analog quantity, a state quantity, a device parameter, a fixed value, etc., and the report control block parameters include an instance number, a trigger mode, whether to cache, etc.
S2: and initializing a protocol data interaction area, and setting an upper channel mark and a lower channel mark of each IED.
Specifically, using all relevant IED configuration parameters extracted in step S1, establishing an information point table for each IED in the protocol data interaction zone, for performing data reading and writing operations on the upper and lower protocol processing tasks, where the information point type includes analog quantity, state quantity, device parameter, constant value, and the like; setting a lower channel sign, wherein the lower channel sign value comprises MMS, domestic protocol and empty; establishing an up-forwarding mapping table from an information point table in each IED to IEC104 and a localization protocol, wherein the up-forwarding mapping table comprises mapping from a down-communication related reference index to a public address and an information body address of an up-IEC 104 protocol, mapping from the localization protocol to logic equipment in an up-ICD model and to the down-IED, mapping from the down-communication related reference index to an up-localization protocol reference index and the like; and setting an upper channel sign of the total station, wherein the upper channel sign value comprises IEC104, a localization protocol and null. The upper and lower pair of channel flags are both set to null at initialization.
S3: and starting a lower protocol processing task and an upper protocol processing task, wherein the lower protocol processing task comprises a lower MMS protocol processing task and a lower domestic protocol processing task, the upper protocol processing task comprises an upper IEC104 protocol processing task and an upper domestic protocol processing task, and all relevant IED configurations are initialized.
Specifically, a lower MMS protocol processing task is started, system resources are initialized and applied according to the scale of all relevant IEDs, an MMS protocol lower timing processing mechanism is established, and fixed time is allocated to each IED for processing the work of lower MMS protocol connection, communication interaction and the like;
starting a processing task of a next domestic protocol, initializing and applying for system resources according to the scale of all relevant IEDs, establishing a mechanism for processing the next domestic protocol in a next timing mode, and distributing working time for each IED to process the connection, communication interaction and other works of the IED on the next domestic protocol;
starting an upper IEC104 protocol processing task, initializing and applying for system resources according to an IEC104 protocol upper transmission information point table (RCD) agreed in advance, and using the information point table in each IED established in the step S2 to an upper forwarding mapping table of the IEC104 protocol to process the work such as connection and communication interaction of the total station upper IEC104 protocol;
and (2) starting a processing task of the upper domestic protocol, initializing an upper forwarding ICD model according to the domestic protocol, applying for system resources, and using the upper forwarding mapping table from the information point table in each IED established in the step (S2) to the domestic protocol to process the connection, communication interaction and other works of the total station to the upper domestic protocol at regular time.
S4: and determining and selecting the lower channel and the upper channel of the protocol data interaction zone at fixed time through the lower protocol processing task and the upper protocol processing task.
Specifically, as shown in fig. 2, before a certain IED is actively connected in timing by the pairing-down MMS protocol processing task, the pairing-down channel flag of the corresponding IED in the protocol data interaction zone is determined in timing, when the pairing-down channel flag is not empty, the current active connection is abandoned, and the next time of the timing-down connection is waited, when the pairing-down channel flag is empty, the MMS pairing-down connection is continuously attempted to be established with the in-station device, after the connection is successful, the pairing-down MMS protocol processing task and the protocol data interaction zone channel (pairing-down channel) are established, and the corresponding IED is identified as MMS by the pairing-down channel flag, in this way, other pairing-down protocols are notified that no repeated connection is needed.
Preferably, after the establishment of the channel between the processing task of the lower MMS protocol and the protocol data interaction area, the connection state of the MMS to each IED under the lower MMS protocol is determined at regular time, and once the connection interruption is found to reach a certain time (for example, 3 minutes), the flag of the corresponding IED to the lower channel is reset to be empty, so that other active connection attempts to the lower protocol are allowed.
The processing mode of the processing task of the lower domestic protocol is the same as that of the processing task of the lower MMS protocol, so that the automatic selection of the lower channel of each IED is ensured.
As shown in fig. 3, before the on-line IEC104 protocol processing task is actively connected with the off-site system or device at regular time, the on-line channel flag in the protocol data interaction zone is determined at regular time, when the on-line channel flag is not empty, the on-line channel flag is abandoned, and the next time of active connection is waited, when the on-line channel flag is empty, the on-line channel flag continuously tries to establish IEC104 protocol connection with the off-site system or device, after connection is successful, the on-line IEC104 protocol processing task and the protocol data interaction zone channel (on-line channel) is established, and the on-line channel flag is set as IEC104, so that other on-line protocols are notified without repeated connection.
Preferably, after the channel of the protocol data interaction area and the processing task of the upper IEC104 is successfully established, the state of the upper connection of the IEC104 is determined regularly, and once the connection is found to be interrupted for a certain time (for example, 3 minutes), the upper channel mark is reset to be empty, so that other active connection attempts of the upper protocol are allowed.
The processing mode of the processing task of the upper domestic protocol is the same as that of the processing task of the upper IEC104 protocol, so that the automatic selection of the upper channel can be ensured.
S5: when the establishment of the lower channel and the upper channel is successful, the protocol data interaction area automatically selects and runs through the upper channel and the lower channel of each IED, and the forwarding and transmission of the communication data in the station (such as the interaction information of IED equipment in the intelligent substation) and the communication data outside the station are realized through the gateway system, the lower protocol processing task, the lower channel, the protocol data interaction area, the upper channel and the upper protocol processing task.
When the in-station IED equipment is changed from the MMS protocol to the domestic protocol, the gateway system can reestablish connection with the in-station IED equipment in a new domestic protocol in a short time (such as 3 minutes); when the off-site system or equipment is changed from the IEC104 protocol to the domestic protocol, the gateway system can complete the self-adaptive connection of the new domestic protocol, and the changing process does not need to change configuration, debug and restart initialization.
As shown in fig. 4, the original IED2 device in the station uses the MMS protocol to access the gateway system, uses the IEC104 protocol to complete the upstream data transmission, and fig. 5 is a domestic protocol to access the gateway system, uses the domestic protocol to complete the upstream data transmission, and supports plug and play in the whole device replacement process, and the protocol replacement process is all self-adaptively completed to access.
In the embodiments provided herein, the systems and methods illustrated may be implemented in other ways. For example, other modes supporting mutual exclusion are adopted to replace the modes of the up and down channel marks, other up and down protocols are adopted to replace the protocols in the embodiment, a mode of dynamically loading the IED configuration after the replacement device is switched on is adopted to replace a mode of loading all relevant IED configurations during gateway system initialization, and the like. Various modifications to the present embodiment will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (4)
1. The method for realizing the intelligent substation gateway system supporting protocol replacement is characterized by comprising the following steps:
s1: importing an intelligent substation SCD file, analyzing and extracting IED configuration parameters all having communication interaction relation with a gateway system;
s2: initializing a protocol data interaction area, and setting an upper channel mark and a lower channel mark of each IED;
the step S2 specifically includes that an information point table is built for each IED in a protocol data interaction area and is used for operating read-write data of upper and lower protocol processing tasks, a lower channel sign is set, and the lower channel sign value comprises MMS, domestic protocol and null; establishing an on-pair forwarding mapping table from an information point table in each IED to an IEC104 and a localization protocol, and setting an all-station on-pair channel mark, wherein the value of the on-pair channel mark comprises the IEC104, the localization protocol and the null;
s3: starting a lower protocol processing task and an upper protocol processing task, and initializing all relevant IED configurations;
step S3, the lower protocol processing task comprises a lower MMS protocol processing task and a lower localization protocol processing task, and the upper protocol processing task comprises an upper IEC104 protocol processing task and an upper localization protocol processing task;
step S3 specifically includes starting a task for processing a lower MMS protocol, initializing and applying for system resources according to the scale configured by all relevant IEDs, and establishing a circulation mechanism to process the connection and communication interaction of each IED for the lower MMS protocol;
starting a processing task of the next domestic protocol, initializing and applying for system resources according to the scale of all relevant IEDs, and establishing a circulation mechanism to process the connection and communication interaction of each IED on the next domestic protocol at regular time;
starting an upper IEC104 protocol processing task, initializing an upper transmission information point table according to a preset IEC104 protocol, applying for system resources, and using an upper forwarding mapping table from the information point table in each IED to the IEC104 protocol, which is established in the step S2, to process the connection and communication interaction of the total station to the upper IEC104 protocol at regular time;
starting a processing task of an upper domestic protocol, initializing an upper forwarding ICD model according to the domestic protocol, applying for system resources, and using an upper forwarding mapping table from an information point table in each IED established in the step S2 to the domestic protocol to process the connection and communication interaction of the total station to the upper domestic protocol at regular time;
s4: the right-down channel and the right-up channel of the protocol data interaction area are judged and selected regularly through the right-down protocol processing task and the right-up protocol processing task;
the step S4 of determining and selecting the pair-down channel of the protocol data interaction area at fixed time specifically comprises the following steps: before a certain IED is actively connected in a timing manner, the under-pair MMS protocol processing task judges under-pair channel marks of corresponding IEDs in the protocol data interaction area in a timing manner, when the under-pair channel marks are not empty, the under-pair channel marks are abandoned, the next time of the timing active connection is waited, when the under-pair channel marks are empty, the under-pair MMS protocol processing task and the protocol data interaction area channel are continuously tried to be established with the station device, after the connection is successful, the under-pair MMS protocol processing task and the protocol data interaction area channel are established, the under-pair channel marks of the corresponding IEDs are MMS, and the under-pair MMS protocol processing task is used for informing other under-pair protocols that repeated connection is not needed;
step S4 also includes that after the establishment of the processing task of the lower MMS protocol and the protocol data interaction area channel is successful, whether the MMS is interrupted or not is judged at regular time, when the interruption is carried out, the lower channel mark is set to be empty, and other active connection attempts of the lower protocol are allowed to be carried out, so that the automatic selection of the lower channel is realized;
the step S4 of determining and selecting the upper channel of the protocol data interaction zone at fixed time specifically comprises the following steps: the method comprises the steps that a pair-up IEC104 protocol processing task regularly judges a pair-up channel mark in a protocol data interaction area before the pair-up channel mark is regularly and actively connected with an off-site system or equipment, the pair-up channel mark gives up the active connection and waits for the next time of the arrival of the regular active connection when the pair-up channel mark is not empty, the connection of the pair-up IEC104 protocol processing task with the off-site system or equipment is continuously tried, a pair-up IEC104 protocol processing task and a protocol data interaction area channel are established after the connection is successful, the pair-up channel mark is set as IEC104 and used for informing other pairs of the fact that the other pairs of upper protocols do not need repeated connection;
step S4 further includes, after the channel between the processing task of the upper IEC104 protocol and the protocol data interaction zone is established successfully, determining whether the upper connection of the IEC104 is interrupted at regular time, and setting the flag of the upper channel to be empty when the upper connection is interrupted, allowing other active connection attempts of the upper protocol, so as to realize automatic selection of the upper channel;
s5: when the establishment of the lower channel and the upper channel is successful, the protocol data interaction area completes the automatic selection and penetration of the upper channel and the lower channels of all IEDs, and the forwarding and transmission of the communication data in the station and the communication data outside the station are realized.
2. The method for implementing the intelligent substation gateway system supporting protocol replacement according to claim 1, wherein: the step S2 of establishing a forwarding mapping table from the information point table in each IED to the IEC104 and the localization protocol includes: mapping the index of the related references of the lower communication to the public body address and the information body address of the upper IEC104 protocol, mapping the logic device in the upper ICD model and the lower IED by the domestic protocol, and mapping the index of the related references of the lower communication to the index of the references of the domestic protocol.
3. The method for implementing the intelligent substation gateway system supporting protocol replacement according to claim 1, wherein: the upper and lower pair of channel flags are both set to null at initialization.
4. A method for implementing an intelligent substation gateway system supporting protocol exchange according to any one of claims 1 to 3, wherein: the IED configuration parameters in step S1 comprise communication parameters, data set parameters and report control block parameters, and are used for initializing each protocol processing task and protocol data interaction area; the communication parameters include an IP address and a subnet mask, the data set parameters include an analog quantity, a state quantity, a device parameter, and a fixed value, and the report control block parameters include an instance number, a trigger mode, and a cache parameter.
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1977523A (en) * | 2004-03-10 | 2007-06-06 | 比纳瑞安全有限公司 | Accessing user interactive electronic communications devices |
| CN102901881A (en) * | 2011-07-26 | 2013-01-30 | 上海市电力公司 | On-site debugging method for digital substation |
| CN103716306A (en) * | 2013-12-12 | 2014-04-09 | 广东电网公司珠海供电局 | Seamless communication method for substation and dispatching master station |
| CN112836989A (en) * | 2021-03-02 | 2021-05-25 | 东方电子股份有限公司 | Online initialization method for parameters of telecontrol communication device of transformer substation |
| CN113079051A (en) * | 2021-04-09 | 2021-07-06 | 国网浙江省电力有限公司电力科学研究院 | Parallel simulation method based on transformer substation localization communication protocol |
| CN113094355A (en) * | 2021-04-09 | 2021-07-09 | 国网浙江省电力有限公司电力科学研究院 | Model instantiation method, device, equipment and medium based on domestic communication protocol |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103516541B (en) * | 2012-06-29 | 2017-08-08 | 北京东土科技股份有限公司 | Configuration information automatic management method based on Intelligent transformer station |
-
2022
- 2022-04-14 CN CN202210390214.9A patent/CN114745265B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1977523A (en) * | 2004-03-10 | 2007-06-06 | 比纳瑞安全有限公司 | Accessing user interactive electronic communications devices |
| CN102901881A (en) * | 2011-07-26 | 2013-01-30 | 上海市电力公司 | On-site debugging method for digital substation |
| CN103716306A (en) * | 2013-12-12 | 2014-04-09 | 广东电网公司珠海供电局 | Seamless communication method for substation and dispatching master station |
| CN112836989A (en) * | 2021-03-02 | 2021-05-25 | 东方电子股份有限公司 | Online initialization method for parameters of telecontrol communication device of transformer substation |
| CN113079051A (en) * | 2021-04-09 | 2021-07-06 | 国网浙江省电力有限公司电力科学研究院 | Parallel simulation method based on transformer substation localization communication protocol |
| CN113094355A (en) * | 2021-04-09 | 2021-07-09 | 国网浙江省电力有限公司电力科学研究院 | Model instantiation method, device, equipment and medium based on domestic communication protocol |
Non-Patent Citations (1)
| Title |
|---|
| 102规约向IEC61850规约转换网关的研究;孔凤颖;侯思祖;刘玮;;电力信息化(04);全文 * |
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