CN113660560B - Intelligent substation process layer switch topology real-time verification method - Google Patents
Intelligent substation process layer switch topology real-time verification method Download PDFInfo
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- CN113660560B CN113660560B CN202111120959.5A CN202111120959A CN113660560B CN 113660560 B CN113660560 B CN 113660560B CN 202111120959 A CN202111120959 A CN 202111120959A CN 113660560 B CN113660560 B CN 113660560B
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- 238000000034 method Methods 0.000 title claims abstract description 140
- 238000012795 verification Methods 0.000 title claims abstract description 19
- 238000004891 communication Methods 0.000 claims abstract description 23
- BBXRRTJNJCPGBU-UHFFFAOYSA-N beta-naphthyl N-acetylphenylalaninate Chemical compound C=1C=C2C=CC=CC2=CC=1OC(=O)C(NC(=O)C)CC1=CC=CC=C1 BBXRRTJNJCPGBU-UHFFFAOYSA-N 0.000 claims 1
- 238000012423 maintenance Methods 0.000 description 6
- 239000013307 optical fiber Substances 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
- H04Q11/0005—Switch and router aspects
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
- H04Q11/0062—Network aspects
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
- H04Q11/0062—Network aspects
- H04Q2011/0079—Operation or maintenance aspects
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
- H04Q11/0062—Network aspects
- H04Q2011/0086—Network resource allocation, dimensioning or optimisation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
- H04Q11/0062—Network aspects
- H04Q2011/009—Topology aspects
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Abstract
The invention discloses a real-time verification method for the topology of an intelligent substation process layer switch, which relates to the technical field of intelligent switches in the power industry, and comprises the steps of obtaining subnet information, equipment information and switch port connection information by analyzing an SCD file; acquiring process layer switch equipment information from the equipment information, and acquiring a process layer switch port expected connection table according to the process layer switch equipment information and the connection information of each port of the switch; establishing MMS communication for all process layer switch devices in a switch communication subnet, acquiring public information logic node information and each port neighbor information logic node information of all process layer switch devices under the same subnet in real time, and acquiring real-time actual connection relation information of the process layer switch devices according to each port neighbor information logic node information; and judging whether the subnet division and the switch interface are wrong or not according to the real-time actual connection relation information of the process layer switch equipment, thereby completing the real-time verification of the topology of the process layer switch.
Description
Technical Field
The invention belongs to the technical field of intelligent switches in the power industry, and particularly relates to a process layer switch topology real-time verification method of an intelligent substation.
Background
The Ethernet switch is used as an infrastructure communication facility of the intelligent substation, and plays an important supporting role in safe, stable and reliable operation of the intelligent substation. In recent years, along with the promotion of intelligent substation construction, traditional power industry ethernet switch gradually highlights certain limitation in intelligent substation's application process to because the switch quantity that constitutes intelligent substation communication network is numerous, process layer switch fiber connection configuration is complicated, is difficult to inspect after the configuration is accomplished, and on-the-spot staff often has subnet division mistake and port connection mistake etc. in the connection process.
Network communication and physical optical fiber connection ports of the intelligent substation are integrated in a unique configuration file (SCD) of the whole intelligent substation, and the operation and maintenance work of the intelligent substation is highly dependent on secondary equipment manufacturers, so that operation and maintenance personnel lack effective means to check the correctness of the optical fiber connection configuration of a process layer switch, and on-site operation and maintenance personnel face complex physical wiring, connection error places are difficult to accurately locate, wrong connection ports are difficult to correct, and the work efficiency of the operation and maintenance personnel is greatly reduced.
Disclosure of Invention
The invention aims to provide a real-time verification method for the process-layer switch topology of an intelligent substation, so that the problem that the optical fiber connection configuration of the process-layer switch is easy to make mistakes in the debugging and operation and maintenance processes of the existing intelligent substation is solved.
In order to achieve the above purpose, the invention provides a method for verifying the topology of an intelligent substation process layer switch in real time, which comprises the following steps:
analyzing the SCD file to obtain subnet information, equipment information and switch port connection information;
acquiring process layer switch equipment information from the equipment information, and sorting and summarizing a process layer switch port expected connection table according to the process layer switch equipment information and the connection information of each port of the switch;
establishing MMS communication for all process layer switch devices in a switch communication subnet, acquiring public information logic node information and each port neighbor information logic node information of all process layer switch devices under the same subnet in real time, and acquiring real-time actual connection relation information of the process layer switch devices according to the each port neighbor information logic node (APNE) information;
judging whether the subnet division is wrong or not according to the real-time actual connection relation information of the process layer switch equipment;
and judging whether the switch interfaces are connected correctly according to the real-time actual connection relation information of the process layer switch equipment, thereby completing the real-time verification of the process layer switch topology.
Preferably, the subnet information includes: total station subnet number, subnet name, device identification ID and subnet type contained under each subnet.
Preferably, the device information includes: each device identification ID, device description, device type, device IP address, and subnet name to which the device belongs.
Preferably, the switch port connection information includes: the local port name, the opposite terminal device identification ID, and the opposite terminal port name.
Preferably, the process layer switch port expected connection table includes: the local end exchanger identification ID, the local end exchanger port ID, the local end exchanger IP address, the opposite end equipment description, the opposite end equipment port ID and the opposite end equipment IP address.
Preferably, determining whether the subnet division is wrong according to the real-time actual connection relation information of the process layer switch device includes the following steps:
dividing the process layer switch equipment with the actual connection relation information into the same subnet;
comparing the equipment identification ID of the process layer switch equipment under the same subnet with the equipment identification ID contained in the equipment physical connection subnet information in the subnet information, and if the equipment identification ID contained in the equipment physical connection subnet information in the subnet information cannot all contain the equipment identification ID of the process layer switch equipment under the same subnet, carrying out subnet division on the process layer switch equipment.
Preferably, judging whether the switch interface is correctly connected according to the real-time actual connection relation information of the process layer switch device is: and comparing the neighbor information logic node information of each port with an expected connection table of the process layer switch port, and judging whether the switch port is connected correctly.
Preferably, comparing the neighbor information logical node information of each port with an expected connection table of the process layer switch port, and judging whether the switch port is connected correctly comprises the following steps:
respectively judging whether the port ID of the local switch in the process layer switch port expected connection table is consistent with the local port ID;
whether the opposite end description in the process layer switch port expected connection table is consistent with the remote device description in the neighbor information logic node information of each port or not;
whether the port ID of the opposite terminal equipment in the process layer switch port expected connection table is consistent with the port ID of the remote device in the neighbor information logic node information of each port;
whether the IP address of the opposite terminal equipment in the process layer exchanger port expected connection table is consistent with the IP address of the remote device in the neighbor information logic node information of each port;
as long as one of the items is inconsistent, all the items belong to the process layer connection error.
Preferably, the method further comprises generating a real-time check report according to the subnet division result and the switch port connection judgment.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the intelligent substation process layer switch topology real-time verification method provided by the invention, the SCD file is analyzed to obtain the subnet information, the equipment information and the switch port connection information; acquiring process layer switch equipment information from the equipment information, and sorting and summarizing a process layer switch port expected connection table according to the process layer switch equipment information and the connection information of each port of the switch; establishing MMS communication for all process layer switch devices in a switch communication subnet, acquiring public information logic node information and each port neighbor information logic node information of all process layer switch devices under the same subnet in real time, and acquiring real-time actual connection relation information of the process layer switch devices according to the neighbor information logic node information of each port; judging whether the subnet division is wrong or not according to the real-time actual connection relation information of the process layer switch equipment; and judging whether the switch interfaces are connected correctly according to the real-time actual connection relation information of the process layer switch equipment, thereby completing the real-time verification of the process layer switch topology.
Therefore, the invention adopts the technical scheme that the neighbor relation of the process layer switch equipment is obtained in real time through the MMS communication network, the neighbor port of each port of the switch is compared in real time by taking the standard SCD file as a reference, and the correctness of the neighbor port is checked, so that the optical fiber connection configuration of the switch meets the expectations, and the problems that the optical fiber connection configuration of the intelligent substation in the process of debugging and operation and maintenance at present cannot be supervised and is easy to make mistakes are solved.
And by automatically verifying the correctness of the connection of the switch ports, the complex work of manual check of the switch connection is avoided, the configuration errors of the switch subnetwork and the connection errors of the switch ports can be found in time, the working efficiency is improved, and the working difficulty of field personnel is greatly reduced.
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In order to more clearly illustrate the technical solutions of the present invention, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawing in the description below is only one embodiment of the present invention, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a flow chart of the intelligent substation process layer switch topology real-time verification method of the invention.
Detailed Description
The following description of the embodiments of the present invention will be made more apparent and fully by reference to the accompanying drawings, in which it is shown, however, only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Fig. 1 shows a process layer switch topology real-time verification method of an intelligent substation according to one embodiment of the invention, which comprises the following steps:
s1, analyzing an SCD file to obtain subnet information, equipment information and switch port connection information;
s2, acquiring process layer switch equipment information from the equipment information, and sorting and summarizing a process layer switch port expected connection table according to the process layer switch equipment information and the connection information of each port of the switch;
s3, establishing MMS communication for all process layer switch devices in a switch communication subnet, acquiring common information logic node (LLN 0) information and neighbor information logic node (APNE) information of all process layer switch devices under the same subnet in real time, and acquiring real-time actual connection relation information of the process layer switch devices according to the neighbor information logic node (APNE) information of all ports;
s4, judging whether the subnet division is wrong or not according to the real-time actual connection relation information of the process layer switch equipment;
and S5, judging whether the switch interfaces are connected correctly according to the real-time actual connection relation information of the process layer switch equipment, thereby completing the process layer switch topology real-time verification.
According to the intelligent substation process layer switch topology real-time verification method, the SCD file is analyzed to obtain the subnet information, the equipment information and the switch port connection information; acquiring process layer switch equipment information from the equipment information, and sorting and summarizing a process layer switch port expected connection table according to the process layer switch equipment information and the connection information of each port of the switch; establishing MMS communication for all process layer switch devices in a switch communication subnet, acquiring public information logic node information and each port neighbor information logic node information of all process layer switch devices under the same subnet in real time, and acquiring real-time actual connection relation information of the process layer switch devices according to the neighbor information logic node information of each port; judging whether the subnet division is wrong or not according to the real-time actual connection relation information of the process layer switch equipment; and judging whether the switch interfaces are connected correctly according to the real-time actual connection relation information of the process layer switch equipment, thereby completing the real-time verification of the process layer switch topology.
In one embodiment, the subnet information includes: total station subnet number, subnet name, device identification ID and subnet type contained under each subnet.
Specifically, the total number of the sub-networks is the number of sub-network elements (subnetworks) in the SCD.
The subnet name is the name (name) attribute of the subnet element.
The type of device identification ID contained under the subnet is a set of device name (iename) attributes of a connection point element (connctap) under a subnet element of the connection subnet.
The subnet type is a type (type) attribute of a subnet element, and the subnet is divided into: a switch communication subnet, a device physical connection subnet.
The type attribute of the switch communication subnetwork includes the field "8-MMS" and only the process layer switch devices are included under the switch communication subnetwork. The network IP Address information and the port connection information of the switch part, that is, the Address (Address) element and the physical connection (physicon) element, of the switch equipment of each process layer are included under the switch communication subnetwork.
The device communication subnetwork contains network IP address information, i.e. contains address elements, of other devices than the process layer switch device.
The type attribute of the device physical connection subnet includes a field "IECGOOSE," which includes port connection information for the process layer switch device as well as other devices, i.e., contains the physical connection element.
In one embodiment, the device information includes: each device identification ID, device description, device type, device IP address, and subnet name to which the device belongs.
In one embodiment, the switch port connection information includes: the local port name, the opposite terminal device identification ID, and the opposite terminal port name.
Specifically, the type (type) attribute of the Port name of the home terminal is the content of a 'Port' physical connection description (P) element, and the connection description element is under the physical connection element;
the opposite terminal device identification ID and the opposite terminal port name are obtained by splitting the content of the physical connection description element with the type attribute of Cable;
the recording format of the switch port connection information is 'AAA: B_CCC: D', AAA is the home terminal switch identification ID, B is the home terminal port name, CCC is the opposite terminal device identification ID, and D is the opposite terminal port name.
In one embodiment, in step S2, the process layer switch port expected connection table includes: the local end exchanger identification ID, the local end exchanger port ID, the local end exchanger IP address, the opposite end equipment description, the opposite end equipment port ID and the opposite end equipment IP address.
Specifically, the local side switch identification ID is the device identification ID of the process layer switch device obtained in the step S1;
the port ID of the local terminal exchanger is the name of the local terminal port obtained in the step S1;
acquiring an IP address corresponding to the equipment identification ID of the equipment of which the type is the process layer switch equipment, wherein the IP address of the local end switch is obtained from the step S1;
the opposite terminal equipment description is that the opposite terminal device identification ID obtained in the step S1 is associated with the corresponding equipment identification ID, so that the opposite terminal equipment description is obtained from the equipment description;
the opposite terminal equipment port ID is the opposite terminal port name obtained in the step S1;
the opposite terminal device IP address acquires the device IP address corresponding to the opposite terminal device port ID from step S1 according to the opposite terminal device description.
In one embodiment, in step S3, the same subnet refers to the switch communication subnet in step S1, and the corresponding switch subnet information is stored in the expected connection table of the switch port of the outgoing process layer obtained in step S2, where the information is directly or indirectly stored.
And (3) obtaining real-time actual connection relation information of the process layer switch equipment according to the neighbor information logic node information of each port obtained in the step (S3).
In one embodiment, in step S4, whether the subnet division is wrong is determined according to the real-time actual connection relationship information of the process layer switch device: and carrying out the information ratio of the sub-network to all the process layer switch devices under the same sub-network.
The method specifically comprises the following steps:
s41, dividing the process layer switch equipment with the actual connection relation information in the step S3 into the same subnet;
s42, comparing the equipment identification ID of the process layer switch equipment under the same subnet with the equipment identification ID contained in the equipment physical connection subnet information in the step S1, and if the equipment identification IDs contained in the equipment physical connection subnet information in the subnet information cannot all contain the equipment identification ID of the process layer switch equipment under the same subnet, carrying out subnet division errors on the process layer switch equipment.
In one embodiment, in step S5, whether the switch interface is connected correctly is determined according to the real-time actual connection relationship information of the process layer switch device: and comparing the neighbor information logic node information of each port with an expected connection table of the process layer switch port, and judging whether the switch port is connected correctly.
Specifically, the method comprises the following steps:
s51, respectively judging whether the port ID of the local switch in the process layer switch port expected connection table is consistent with the local port ID (LocPortID);
s52, whether opposite end description in a process layer switch port expected connection table is consistent with remote device description (RmtDevDesc) in neighbor information logic node information of each port;
s53, whether the port ID of the opposite terminal equipment in the process layer switch port expected connection table is consistent with the port ID (RmtPortID) of the remote device in the neighbor information logic node information of each port;
s54, whether the IP address of the opposite terminal equipment in the process layer switch port expected connection table is consistent with the IP address (RmtDevIP) of the remote device in the neighbor information logic node information of each port;
as long as one of the items is inconsistent, all the items belong to the process layer connection error, and the steps S51-S54 have no sequence requirement.
In one embodiment, the method for verifying the topology of the process layer switch of the intelligent substation in real time further comprises step S6 of generating a real-time verification report according to the subnet division result and the switch port connection judgment.
In summary, the method acquires the neighbor information logical node information of the switch port in real time by using MMS communication, compares the neighbor information logical node information with the connection information of the switch port acquired by the SCD file, and monitors the connection correctness of the switch port and the connection subnet division correctness of the field device in real time.
By automatically verifying the correctness of the connection of the switch ports, the complex work of manual check of the switch connection is avoided, the configuration errors of the switch subnetwork and the connection errors of the switch ports can be found in time, the working efficiency is improved, and the working difficulty of field personnel is greatly reduced.
The foregoing disclosure is merely illustrative of specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art will readily recognize that changes and modifications are possible within the scope of the present invention.
Claims (2)
1. The intelligent substation process layer switch topology real-time verification method is characterized by comprising the following steps of:
analyzing the SCD file to obtain subnet information, equipment information and switch port connection information;
acquiring process layer switch equipment information from the equipment information, and acquiring a process layer switch port expected connection table according to the process layer switch equipment information and the connection information of each port of the switch;
establishing MMS communication for all process layer switch devices in a switch communication subnet, acquiring public information logic node information and each port neighbor information logic node information of all process layer switch devices under the same subnet in real time, and acquiring real-time actual connection relation information of the process layer switch devices according to the neighbor information logic node APNE information of each port;
judging whether the subnet division is wrong or not according to the real-time actual connection relation information of the process layer switch equipment;
judging whether the switch interfaces are connected correctly or not according to the real-time actual connection relation information of the process layer switch equipment, thereby completing the real-time verification of the process layer switch topology;
the subnet information includes: the total station subnet number, the subnet name, the equipment identification ID and the subnet type contained under each subnet;
the device information includes: each device identification ID, device description, device type, device IP address, and subnet name to which the device belongs;
the switch port connection information includes: the method comprises the steps of a local port name, an opposite terminal device identification ID and an opposite terminal port name;
the process layer switch port expected connection table includes: the local end exchanger identification ID, the local end exchanger port ID, the local end exchanger IP address, the opposite end equipment description, the opposite end equipment port ID and the opposite end equipment IP address;
judging whether the subnet division is wrong according to the real-time actual connection relation information of the process layer switch equipment comprises the following steps: dividing the process layer switch equipment with the actual connection relation information into the same subnet; comparing the equipment identification ID of the process layer switch equipment under the same subnet with the equipment identification ID contained in the equipment physical connection subnet information in the subnet information, and if the equipment identification ID contained in the equipment physical connection subnet information in the subnet information cannot all contain the equipment identification ID of the process layer switch equipment under the same subnet, carrying out subnet division on the process layer switch equipment in error; judging whether the switch interfaces are correctly connected according to the real-time actual connection relation information of the process layer switch equipment, wherein the judging comprises the following steps: comparing the neighbor information logic node information of each port with an expected connection table of the process layer switch port, and judging whether the switch port is connected correctly or not;
comparing the neighbor information logic node information of each port with an expected connection table of the process layer switch port, and judging whether the switch port is connected correctly comprises the following steps: respectively judging whether the port ID of the local switch in the process layer switch port expected connection table is consistent with the local port ID; whether the opposite end description in the process layer switch port expected connection table is consistent with the remote device description in the neighbor information logic node information of each port or not; whether the port ID of the opposite terminal equipment in the process layer switch port expected connection table is consistent with the port ID of the remote device in the neighbor information logic node information of each port; whether the IP address of the opposite terminal equipment in the process layer exchanger port expected connection table is consistent with the IP address of the remote device in the neighbor information logic node information of each port; as long as one of the items is inconsistent, all the items belong to the process layer connection error.
2. The intelligent substation process layer switch topology real-time verification method according to claim 1, further comprising generating a real-time verification report according to the subnet division result and switch port connection judgment.
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