CN108667661B - Automatic numbering system and numbering method for in-situ distributed protection management host - Google Patents
Automatic numbering system and numbering method for in-situ distributed protection management host Download PDFInfo
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- H04L67/00—Network arrangements or protocols for supporting network services or applications
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- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/42—Loop networks
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- 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
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- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/42—Loop networks
- H04L2012/421—Interconnected ring systems
Abstract
An in-situ distributed protection management host automatic numbering system relates to the field of in-situ distributed protection management hosts. Currently, in-place distributed protection management is not in place. The local distributed protection management host is connected with a remote local protection control device, the local distributed protection management host comprises N sub-machines which are distributed, the N sub-machines are connected through a ring network, the remote local protection control device is connected with the sub-machines serving as the local distributed protection management host, the initialization setting work of equipment parameters and serial numbers is realized by connecting the sub-machines one by one according to the connection sequence through the characteristics of the ring network, the initialization result is fed back to the local distributed protection management host through the N sub-machines, and whether the initialization is finished is judged to realize the initialization work of each distributed sub-machine. The technical scheme can conveniently realize the related initialization work of the connected submachine through the remote in-situ protection control device.
Description
Technical Field
The invention relates to the field of in-situ distributed protection management hosts, in particular to an automatic numbering system and a numbering method for in-situ distributed protection management hosts.
Background
The relay protection device can rapidly remove fault equipment when a power grid fails, plays an important role in ensuring safe and stable operation of the power grid, and is an important component of a power system. The bus transformer equal-interval protection adopts a distributed scheme to meet the development trend of scattered arrangement and on-site protection of the transformer substation, and the distributed protection adopts a method of scattered data acquisition and centralized processing, so that the method has great advantages compared with a method of centralized bus protection and centralized acquisition and centralized processing. All the sub-machines of the distributed protection jointly complete the protection function, and identity and function configuration needs to be completed on all the sub-machines of the distributed protection through numbering, so that the distributed relay protection device needs parameter setting and numbering setting.
The on-site protection device is directly installed in a switch yard or integrated with primary equipment, and an outdoor non-protection installation mode is directly adopted, so that the device is required to have high protection level, small volume and wide normal working temperature range. The display screen cannot be normally displayed in a low-temperature environment, and the protection level of the display screen cannot meet the requirement of the overall protection level of the in-situ protection, so that the in-situ protection device is not provided with a display device, the parameter setting and the operation condition of the in-situ protection device cannot be checked, the distributed protection is externally embodied as a protection device, only one of the submachine is selected as a management host machine to be remotely and operatively connected with the in-situ protection device, but all the formed submachine is not directly in network connection, and the equipment parameters and the serial numbers of the submachine cannot be set through the remote in-situ protection control device.
Disclosure of Invention
The technical problem to be solved and the technical task provided by the invention are to perfect and improve the prior technical scheme, and provide an on-site distributed protection management host automatic numbering system and a numbering method thereof so as to realize the purpose of initialization setting of equipment parameters and numbers of all sub-machines of the on-site distributed protection management host. Therefore, the invention adopts the following technical scheme.
The utility model provides an automatic numbering system of distributed protection management host computer in situ, distributed protection management host computer in situ be connected with long-range protection controlling means in situ, distributed protection management host computer in situ include the N parasite aircraft that the distributing type set up, N parasite aircraft pass through annular network and connect, long-range protection controlling means in situ be connected with one of them parasite aircraft, this parasite aircraft is as distributed protection management host computer in situ. N sub-machines in distributed arrangement are connected to a ring network, and a local protection control device is connected to one sub-machine in the ring network, so that the connected sub-machines can be conveniently initialized through the remote local protection control device, and the initialization setting work of equipment parameters and serial numbers can be realized one by one according to the connection sequence through the characteristics of the ring network.
As a further improvement and supplement to the above technical solutions, the present invention also includes the following additional technical features.
Each distributed sub-machine comprises a first sub-machine connected with the remote in-situ protection control device, a second sub-machine connected with the first sub-machine, a third sub-machine connected with the second sub-machine, and the like in sequence, and the N sub-machines are connected with the first sub-machine to form an annular network, and the first sub-machine is used as an in-situ distributed protection management host machine. And realizing that the N machines are connected with the ring network.
The remote in-place protection control device is provided with a first communication device, the in-place distributed protection management host is provided with a second communication device and a third communication device, the other submachine comprises one communication device, the communication devices are a fourth communication device, a fifth communication device and the like in sequence according to the naming sequence, and the communication devices are up to the (N + 2) th communication device, and the first communication device is connected with the second communication device; the communication devices of the third communication device and the other submachine are respectively provided with 2 communication ports which are respectively a first communication port and a second communication port, the second communication port of the third communication device is connected with the first communication port of the fourth communication device, the second communication port of the fourth communication device is connected with the first communication port of the fifth communication device, and the rest is done in sequence until the second communication port of the N +2 communication device is connected with the first communication port of the third communication device, and the second communication port of the N +2 communication device is connected with the first communication port of the third communication device. The remote in-situ protection control device is connected to the in-situ distributed protection management host; each distributed sub-machine forms a ring network connected with each other through 2 communication ports.
The remote on-site protection control device is provided with a display and input device. And interactive operation of information input and display is realized.
The remote protection control device is provided with a processor, and the processor is connected with the display and input device and the first communication device. The processor is connected with the display and input device to realize the input and number setting and display of equipment parameters, the processor sends a downloading setting command to the local distributed protection management host through the first communication device, and the processor judges whether the initialization is successful according to an initialization feedback message received by the first communication device from the local distributed protection management host device and displays the initialization through the display device, so that the information processing is conveniently realized.
The local distributed protection management host is provided with a processor, and the processor is connected with the second communication device and the third communication device; and the other sub machines are provided with a processor to be connected with the respective communication devices. The processor of the in-place distributed protection management host is connected to the second communication device so as to realize downloading operation according to the equipment parameters and the serial number fixed value received by the communication device and complete the fixed value setting of the management host; each sub-machine processor realizes the sending of an initialization command message to the ring network and the initialization of the local machine by connecting with a communication device provided with 2 communication ports.
A numbering method for an in-situ distributed protection management host automatic numbering system comprises the following steps:
1) setting and editing of the equipment parameters and the serial number constant values are completed on the remote protection control device according to the constant value list, and downloading operation is performed after editing is completed;
2) the local distributed protection management host receives the equipment parameter and the serial number fixed value downloading command, generates an initialization message after local storage, and sends the initialization message to a second sub-machine through a ring network;
3) after receiving the initialization command message, the second submachine rewrites the initialization message according to the position of the network where the second submachine is located to automatically realize the setting of communication parameters and serial numbers, and forwards the initialization message to the ring network through a second communication port, so that a third submachine finishes initialization, and the rest is done in sequence, and the initialization is realized to the Nth submachine;
4) and after receiving the initialization message feedback of the Nth sub-machine, the local distributed protection management host judges whether all the sub-machines complete initialization, and if not, sends an abnormal signal and retransmits the initialization message.
And starting from the second sub-machine, each sub-machine receives the initialization message from the second communication port of the previous sub-machine from the first communication port, receives the initialization feedback from the second communication port of the Nth sub-machine by the first communication port of the local distributed protection management host machine, and judges whether the initialization is finished. The receiving of the initialization message and the feedback judgment of the initialization result are conveniently realized.
The initialization message comprises a submachine ring network position serial number and a submachine configuration table comprising the submachine serial number, an MAC address corresponding to the submachine serial number and an element number. And providing the information of the initialized submachine through the submachine configuration table.
Each submachine analyzes the equipment parameters and the number fixed value of the received initialization message, rewrites the position sequence number field of the submachine ring network in the message according to the position in the network where the submachine network is positioned, and then initializes the rewritten message. And message information matching modification and initialization are realized through the position of each slave machine.
Has the advantages that: the method can conveniently realize the related initialization work of the connected submachine through the remote in-situ protection control device, and can realize the initialization setting work of the equipment parameters and the serial numbers one by one according to the connection sequence through the characteristics of the annular network, each submachine can conveniently modify and initialize the corresponding initialization message information according to the position of the submachine in the network, and feeds the initialization result back to the in-situ distributed protection management host through the Nth submachine, so that whether the initialization is finished can be conveniently judged, and the problem that the equipment parameters and the serial numbers of the submachines at intervals cannot be set through the remote in-situ protection control device because the remote in-situ protection control device is not in direct network contact with the submachines.
Drawings
FIG. 1 is a schematic diagram of the system of the present invention.
FIG. 2 is a flow chart of the automatic numbering process of the present invention.
In the figure: 1-remote in-situ protection control device; 2-local distributed protection management host; 3-a first communication port; 4-second communication port.
Detailed Description
The technical scheme of the invention is further explained in detail by combining the drawings in the specification.
As shown in fig. 1, an in-situ distributed protection management host automatic numbering system, an in-situ distributed protection management host 2 is connected with a remote in-situ protection control device 1, the in-situ distributed protection management host 2 comprises N sub-machines which are distributed, the N sub-machines are connected through a ring network, the remote in-situ protection control device 1 is connected with one of the sub-machines, and the sub-machine serves as the in-situ distributed protection management host 2.
In order to realize the ring network, each distributed sub-machine comprises a first sub-machine connected with the remote in-situ protection control device 1, a second sub-machine connected with the first sub-machine, a third sub-machine connected with the second sub-machine, and so on, and an Nth sub-machine is connected with the first sub-machine to form the ring network, and the first sub-machine is used as an in-situ distributed protection management host machine 2. The N machines are conveniently connected with the ring network.
In order to better realize the ring network, the remote in-situ protection control device 1 is provided with a first communication device, the in-situ distributed protection management host 2 is provided with a second communication device and a third communication device, the other submachine comprises one communication device, the communication devices are a fourth communication device, a fifth communication device and the like in sequence according to the naming sequence, and the communication devices are up to an N +2 communication device, and the first communication device is connected with the second communication device; the communication devices of the third communication device and the other submachine are respectively provided with 2 communication ports which are respectively a first communication port 3 and a second communication port 4, the second communication port 4 of the third communication device is connected with the first communication port 3 of the fourth communication device, the second communication port 4 of the fourth communication device is connected with the first communication port 3 of the fifth communication device, and the rest is done in sequence until the communication devices are connected with the first communication port 3 of the (N + 2) th communication device, and the second communication port 4 of the (N + 2) th communication device is connected with the first communication port 3 of the third communication device. The remote in-situ protection control device 1 is connected to the in-situ distributed protection management host 2; each distributed sub-machine forms a ring network connected with each other through 2 communication ports.
In order to realize the input and display of information, the remote in-situ protection control device 1 is provided with a display and input device. And interactive operation of information input and display is realized.
In order to realize the information processing of the remote protection control device, the remote protection control device is provided with a processor which is connected with the display and input device and the first communication device. The processor is connected with the display and input device to realize the input and number setting and display of equipment parameters, the processor sends a downloading setting command to the local distributed protection management host machine 2 through the first communication device, and the processor judges whether the initialization is successful according to an initialization feedback message received by the first communication device from the local distributed protection management host machine 2 device and displays the initialization through the display device, so that the information processing is conveniently realized.
In order to realize the information processing and message transmission of each sub-machine, the local distributed protection management host machine 2 is provided with a processor which is connected with a second communication device and a third communication device; the other sub-machines are provided with a processor to be connected with the respective communication devices. The processor of the in-place distributed protection management host 2 is connected to the second communication device to realize downloading operation according to the equipment parameters and the number fixed value received by the communication device, and the fixed value setting of the management host is completed; each sub-machine processor realizes the sending of an initialization command message to the ring network and the initialization of the local machine by connecting with a communication device provided with 2 communication ports.
As shown in fig. 2, in order to better implement initialization work, a numbering method of an in-place distributed protection management host automatic numbering system includes the following steps:
a, setting and editing of equipment parameters and number fixed values are finished on a remote protection control device according to a fixed value list, and a fixed value setting message is sent to a local distributed management host after the editing is finished;
b, the local distributed protection management host machine 2 receives the equipment parameter and number fixed value downloading command, generates an initialization message after local storage, and sends the initialization message to a second sub machine through a ring network according to the fixed value;
after receiving the initialization command message, the second submachine unpacks the message, shifts the position serial number in the initialization message according to the position in the network where the second submachine is located, obtains the MAC address and the element serial number, initializes the MAC address and the element serial number, and forwards the initialization message after the position serial number shift to the first communication port 3 of the third submachine through the second communication port 4 after the initialization is completed, so that the third submachine completes the initialization and sequentially and repeatedly realizes the initialization to the Nth submachine;
d, the local distributed protection management host machine 2 receives the initialization message feedback of the Nth submachine, checks whether the serial number of the submachine is equal to the total number of the configured submachines, if so, considers that all the submachines are initialized and lights the running lamp; if the sub-machines are not equal, the sub-machines are considered to be not initialized, the running lamps are not lightened, and the initialization messages are sent again after a fixed time interval. The method is simple, and realizes automatic transmission of the message and sub-machine initialization.
In order to effectively initialize the information of the submachine, the initialization message comprises a submachine configuration table consisting of a submachine ring network position serial number, an MAC address containing the submachine ring network position serial number, a submachine serial number corresponding to the submachine serial number and an element number, wherein the submachine ring network position serial number is determined by the position of the submachine in the ring network, the submachine serial number of the in-situ distributed protection management host 2 is 1, the submachine serial number connected with the second communication port 4 of the in-situ distributed protection management host 2 is 2, the serial numbers of other submachines in the ring network are sequentially added with 1 according to the direction, the element number is determined according to a primary device accessed by the submachine and the element number of the primary device in the bus differential protection, and the MAC. The information of the slave machines is effectively initialized through the slave machine configuration table, and the initialization message structure refers to the following table:
in order to realize information matching of the submachine, each submachine analyzes the equipment parameters and the number fixed value of the received initialization message, rewrites a position sequence number field of a submachine ring network in the message according to the position of the submachine ring network in the network where the submachine is located, and then initializes the rewritten message. And message information matching modification and initialization are realized through the position of each slave machine.
N sub-machines which are arranged in a distributed way are connected into a ring network, an in-situ protection control device is connected to an in-situ distributed protection management host machine 2 in the ring network, the remote on-site protection control device 1 can conveniently realize the related initialization work of the connected submachine, and the initialization setting work of the equipment parameters and the serial numbers is realized one by one according to the connection sequence by the characteristics of the ring network, each sub-machine can conveniently modify and initialize the corresponding initialization message information according to the position of the sub-machine in the network, and the Nth sub-machine feeds back the initialization result to the local distributed protection management host machine 2, so that whether the initialization is completed can be conveniently judged, and the problem that the equipment parameters and the numbers of the sub-machines at intervals cannot be set through the remote local protection control device 1 because the remote local protection control device 1 has no direct network connection with the sub-machines is solved.
The numbering method of the local distributed protection management host automatic numbering system shown in fig. 1-2 is a specific embodiment of the present invention, has embodied the substantial features and advances of the present invention, and can be modified equivalently in shape, structure and the like according to the practical use requirements and under the teaching of the present invention, all of which are within the protection scope of the present invention.
Claims (10)
1. The utility model provides an automatic numbering system of distributed protection management host computer in situ, distributed protection management host computer in situ (2) be connected with long-range protection controlling means in situ (1), distributed protection management host computer in situ (2) including the N son machines of distributed setting, its characterized in that: the N sub-machines are connected through a ring network, the remote in-situ protection control device (1) is connected with one of the sub-machines, and the sub-machine is used as an in-situ distributed protection management host (2); n sub-machines which are arranged in a distributed mode are connected to a ring network, and a local protection control device is connected to one sub-machine in the ring network, so that the connected sub-machines are initialized through a remote local protection control device, and the initialization setting work of equipment parameters and serial numbers is realized one by one according to the connection sequence through the characteristics of the ring network;
the local distributed protection management host (2) receives the equipment parameter and number fixed value downloading command, generates an initialization message after local storage, and sends the initialization message to a second sub-machine through a ring network; after receiving the initialization command message, the second submachine rewrites the initialization message according to the position of the network in which the second submachine is positioned to automatically realize the setting of communication parameters and serial numbers, and forwards the initialization message to the ring network through a second communication port (4) for a third submachine to complete initialization, and so on, and finally realizes initialization to the Nth submachine; and after receiving the initialization message feedback of the Nth sub-machine, the local distributed protection management host (2) judges whether all the sub-machines complete initialization or not, and if not, sends an abnormal signal and retransmits the initialization message.
2. An in-place distributed protection management host automatic numbering system according to claim 1, wherein: each distributed sub-machine comprises a first sub-machine connected with the remote in-situ protection control device (1), a second sub-machine connected with the first sub-machine, a third sub-machine connected with the second sub-machine, and so on, and to an Nth sub-machine, wherein the Nth sub-machine is connected with the first sub-machine to form a ring network, and the first sub-machine is used as an in-situ distributed protection management host (2).
3. An in-place distributed protection management host automatic numbering system according to claim 2, wherein: the remote in-place protection control device (1) is provided with a first communication device, the in-place distributed protection management host (2) is provided with a second communication device and a third communication device, the other submachine comprises one communication device, the communication devices are a fourth communication device, a fifth communication device and the like in sequence according to the naming sequence, and the communication devices are up to an N +2 communication device, and the first communication device is connected with the second communication device; the communication devices of the third communication device and the other submachine are respectively provided with 2 communication ports which are respectively a first communication port (3) and a second communication port (4), the second communication port (4) of the third communication device is connected with the first communication port (3) of the fourth communication device, the second communication port (4) of the fourth communication device is connected with the first communication port (3) of the fifth communication device, the analogy is carried out in sequence, the third communication device is connected with the first communication port (3) of the (N + 2) th communication device, and the second communication port (4) of the (N + 2) th communication device is connected with the first communication port (3) of the third communication device.
4. An in-place distributed protection management host automatic numbering system according to claim 3, wherein: the remote on-site protection control device (1) is provided with a display and input device.
5. An in-place distributed protection management host automatic numbering system according to claim 3, wherein: the remote protection control device is provided with a processor, and the processor is connected with the display and input device and the first communication device.
6. An in-place distributed protection management host automatic numbering system according to claim 3, wherein: the local distributed protection management host (2) is provided with a processor, and the processor is connected with a second communication device and a third communication device; and the other sub machines are provided with a processor to be connected with the respective communication devices.
7. The numbering method of the in-place distributed protection management host automatic numbering system according to claims 1 to 6, characterized by comprising the following steps:
1) setting and editing of the equipment parameters and the serial number constant values are completed on the remote protection control device according to the constant value list, and downloading operation is performed after editing is completed;
2) the local distributed protection management host (2) receives the equipment parameter and number fixed value downloading command, generates an initialization message after local storage, and sends the initialization message to a second sub-machine through a ring network;
3) after receiving the initialization command message, the second submachine rewrites the initialization message according to the position of the network in which the second submachine is positioned to automatically realize the setting of communication parameters and serial numbers, and forwards the initialization message to the ring network through a second communication port (4) for a third submachine to complete initialization, and so on, and finally realizes initialization to the Nth submachine;
4) and after receiving the initialization message feedback of the Nth sub-machine, the local distributed protection management host (2) judges whether all the sub-machines complete initialization or not, and if not, sends an abnormal signal and retransmits the initialization message.
8. The numbering method of an in-place distributed protection management host automatic numbering system according to claim 7, wherein: and starting from the second sub-machine, each sub-machine receives an initialization message from the second communication port (4) of the previous sub-machine from the first communication port (3), and the first communication port (3) of the local distributed protection management host machine (2) receives initialization feedback from the second communication port (4) of the Nth sub-machine to judge whether the initialization is finished.
9. The numbering method of an in-place distributed protection management host automatic numbering system according to claim 7, wherein: the initialization message comprises a submachine ring network position serial number and a submachine configuration table comprising the submachine serial number, an MAC address corresponding to the submachine serial number and an element number.
10. The numbering method of an in-place distributed protection management host automatic numbering system according to claim 9, wherein: each submachine analyzes the equipment parameters and the number fixed value of the received initialization message, rewrites the position sequence number field of the submachine ring network in the message according to the position in the network where the submachine network is positioned, and then initializes the rewritten message.
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| CN109687411B (en) * | 2018-12-28 | 2019-12-17 | 国网浙江省电力有限公司电力科学研究院 | Fixed value synchronous operation method and device for distributed element protection |
| CN109768902A (en) * | 2019-02-22 | 2019-05-17 | 武汉市豪迈电力自动化技术有限责任公司 | Intelligent substation site looped network test method and test equipment |
| CN110380923B (en) * | 2019-06-11 | 2021-06-29 | 国网浙江省电力有限公司杭州供电公司 | In-situ component protection ring network testing device |
| CN110798337B (en) * | 2019-09-29 | 2022-10-04 | 许继电气股份有限公司 | On-site module device suitable for third-generation intelligent substation and configuration method thereof |
| CN113037457A (en) * | 2021-02-26 | 2021-06-25 | 国网冀北电力有限公司廊坊供电公司 | Sampling method and system based on chip protection device |
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