CN113660560A - Intelligent substation process layer switch topology real-time checking method - Google Patents
Intelligent substation process layer switch topology real-time checking method Download PDFInfo
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- 238000000034 method Methods 0.000 title claims abstract description 156
- 238000004891 communication Methods 0.000 claims abstract description 23
- 238000012795 verification Methods 0.000 claims abstract description 23
- 238000005192 partition Methods 0.000 claims description 8
- 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 description 4
- 238000012423 maintenance Methods 0.000 description 6
- 239000013307 optical fiber Substances 0.000 description 6
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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 method for verifying the topology of a process layer switch of an intelligent substation in real time, which relates to the technical field of intelligent switches in the power industry, and is used for acquiring subnet information, equipment information and switch port connection information by analyzing an SCD (substation configuration description) 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 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 neighbor information logic node information of each port of all process layer switch devices in 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; 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 finishing the real-time verification of the process layer switch topology.
Description
Technical Field
The invention belongs to the technical field of intelligent switches in the power industry, and particularly relates to a method for verifying topology of a process layer switch of an intelligent substation in real time.
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, with the advance of intelligent substation construction, a traditional power industry ethernet switch gradually shows certain limitations in the application process of an intelligent substation, and due to the fact that the number of switches forming an intelligent substation communication network is large, the optical fiber connection configuration of a process layer switch is complex, the configuration is difficult to check, and field workers often have subnet division errors, port connection errors and the like 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, operation and maintenance work of the current intelligent substation is highly dependent on a secondary equipment manufacturer, operation and maintenance personnel lack an effective means to check correctness of optical fiber connection configuration of a process layer switch, and on-site operation and maintenance personnel face complicated physical wiring, so that connection error places are difficult to accurately position, connection ports with errors are difficult to correct, and working efficiency of the operation and maintenance personnel is greatly reduced.
Disclosure of Invention
The invention aims to provide a method for verifying the topology of a process level switch of an intelligent substation in real time, so that the problem that the optical fiber connection configuration of the process level switch is easy to make mistakes in the debugging, operation and maintenance processes of the existing intelligent substation is solved.
In order to achieve the aim, the invention provides a method for verifying the topology of a process layer switch of an intelligent substation 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 neighbor information logic node information of each port of all process layer switch devices in 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;
and judging whether the switch interfaces are correctly connected according to the real-time actual connection relation information of the process layer switch equipment, thereby finishing the real-time verification of the process layer switch topology.
Preferably, the subnet information includes: the total station subnet number, each subnet name, equipment identification ID and subnet type contained in the 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: home port name, opposite device identification ID, and opposite port name.
Preferably, the process layer switch port expected connection table includes: the local terminal switch identifies ID, local terminal switch port ID, local terminal switch IP address, opposite terminal device description, opposite terminal device port ID and opposite terminal device IP address.
Preferably, the step of judging whether the subnet division is wrong according to the real-time actual connection relationship information of the process layer switch device includes the following steps:
dividing process layer switch equipment with actual connection relation information into the same subnet;
comparing the device identification ID of the process layer switch device under the same subnet with the device identification ID contained in the device physical connection subnet information in the subnet information in step S1, if the device identification ID contained in the device physical connection subnet information in the subnet information cannot all contain the device identification ID of the process layer switch device under the same subnet, the subnet partition of the process layer switch device is incorrect.
Preferably, judging whether the switch interface is correctly connected according to the real-time actual connection relationship information of the process layer switch device is as follows: and comparing the neighbor information logic node information of each port with the expected connection table of the port of the process layer switch, and judging whether the port of the switch is connected correctly.
Preferably, comparing the logical node information of the neighbor information of each port with an expected connection table of a port of a process layer switch, and judging whether the port of the switch is connected correctly includes 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 terminal description in the expected connection table of the process layer switch port 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 expected connection table of the port of the process layer switch is consistent with the port ID of the remote device in the neighbor information logic node information of each port or not;
whether the IP address of the opposite terminal equipment in the expected connection table of the process layer switch port is consistent with the IP address of the remote device in the neighbor information logic node information of each port or not;
if one of the items is inconsistent, the process layer connection is faulty.
Preferably, the method further comprises generating a real-time verification report according to the subnet partition result and the switch port connection judgment.
Compared with the prior art, the invention has the following beneficial effects:
the intelligent substation process layer switch topology real-time verification method provided by the invention obtains subnet information, equipment information and switch port connection information by analyzing the SCD file; 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 neighbor information logic node information of each port of all process layer switch devices in 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 correctly connected according to the real-time actual connection relation information of the process layer switch equipment, thereby finishing the real-time verification of the process layer switch topology.
Therefore, the invention adopts the MMS communication network to obtain the neighbor relation of the process layer switch equipment in real time, compares the neighbor ports of each port of the switch in real time by taking the standard SCD file as the reference, and checks the correctness of the neighbor ports so as to ensure that the optical fiber connection configuration of the switch is in line with the expectation, thereby solving the problems that the optical fiber connection configuration of the intelligent transformer substation in the debugging and operation and maintenance processes can not be monitored and is easy to make mistakes at present.
And through the correctness of the port connection of the switch which is automatically verified, the complex work of manual checking of the switch connection is avoided, the subnet configuration error of the switch and the port connection error of the switch 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 solution of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only one embodiment of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on the drawings without creative efforts.
Fig. 1 is a flowchart of a method for real-time verification of the topology of the process-level switch of the intelligent substation.
Detailed Description
The technical solutions in the present invention are clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Fig. 1 shows a real-time verification method for a process level switch topology of an intelligent substation according to an embodiment of the present invention, which includes the following steps:
s1, analyzing the 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 the switch communication sub-network, acquiring the public information logic node (LLN 0) information and the neighbor information logic node (APNE) information of each port of all process layer switch devices under the same sub-network in real time, and acquiring the real-time actual connection relation information of the process layer switch devices according to the neighbor information logic node (APNE) information of each port;
s4, judging whether the subnet division is wrong according to the real-time actual connection relation information of the process layer switch equipment;
and S5, judging whether the switch interface is 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.
According to the intelligent substation process layer switch topology real-time verification method, subnet information, equipment information and switch port connection information are obtained by analyzing the SCD file; 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 neighbor information logic node information of each port of all process layer switch devices in 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 correctly connected according to the real-time actual connection relation information of the process layer switch equipment, thereby finishing the real-time verification of the process layer switch topology.
In one embodiment, the subnet information includes: the total station subnet number, each subnet name, equipment identification ID and subnet type contained in the subnet.
Specifically, the total-station subnet number is the number of subnet elements (subnet) in the SCD.
The subnet name is a name (name) attribute of the subnet element.
The type of the device identification ID included under the subnet is a set of device name (idename) attributes of a connection point element (connecticap) under the subnet element connecting the subnet.
The subnet type is a type (type) attribute of the subnet element, and the subnet is divided into the following parts according to the type attribute of the subnet element: switch communication subnet, device physical connection subnet.
The type attribute of the switch communication subnet includes the field "8-MMS" and only process layer switch devices are included under the switch communication subnet. The switch communication sub-network comprises network IP Address information and switch part port connection information of each process layer switch device, namely comprises an Address (Address) element and a physical connection (PhysConn) element.
The device communication subnet contains network IP address information, i.e., contains address elements, for other devices in addition to the process layer switch device.
The type attribute of the device physical connection subnet includes a field "iecgose" including the process layer switch device and also port connection information of other devices, i.e., including physical connection elements.
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: home port name, opposite device identification ID, and opposite 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 identifies that the 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 record format of the switch port connection information is AAA, B-CCC and D, wherein AAA is the local terminal switch identification ID, B is the local 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 terminal switch identifies ID, local terminal switch port ID, local terminal switch IP address, opposite terminal device description, opposite terminal device port ID and opposite terminal device IP address.
Specifically, the home switch identification ID is the device identification ID of the process layer switch device, which is obtained in step S1 and of which the type is the device identification ID of the process layer switch device;
the port ID of the local switch is the local port name obtained in step S1;
acquiring the local terminal switch IP address, wherein the type obtained from the step S1 is the IP address corresponding to the equipment identification ID of the process layer switch equipment;
the opposite-end device description is that the opposite-end device identification ID obtained in step S1 is associated with a corresponding device identification ID, so that an opposite-end device description is obtained from the device description thereof;
the opposite device port ID is the opposite port name obtained in step S1;
the peer device IP address obtains the device IP address corresponding to the peer device port ID from step S1 according to the peer device description.
In one embodiment, in step S3, the same subnet refers to the switch communication subnet in step S1, and correspondingly, the switch subnet information is stored in the outbound process layer switch port expected connection table obtained in step S2 and directly or indirectly stores the information.
And obtaining the 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 step S4, according to the real-time actual connection relationship information of the process-level switch device, it is determined whether the subnet partition error is: and performing the information ratio of the sub-network to which the process layer switch equipment belongs on all the process layer switch equipment 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 device ID of the process-level switch device under the same subnet with the device ID included in the device physically connected subnet information in the subnet information in step S1, and if the device ID included in the device physically connected subnet information in the subnet information cannot all include the device ID of the process-level switch device under the same subnet, the subnet partition of the process-level switch device is incorrect.
In step S5, according to the real-time actual connection relationship information of the process-level switch device, it is determined whether the switch interface is correctly connected, that is: and comparing the neighbor information logic node information of each port with the expected connection table of the port of the process layer switch, and judging whether the port of the switch is connected correctly.
Specifically, the method comprises the following steps:
s51, respectively determining whether the port ID of the local end switch in the expected connection table of the port of the process layer switch is consistent with the local port ID (LocPortID);
s52, whether the opposite terminal description in the process layer exchanger port expected connection table is consistent with the remote device description (RmtDevDesc) in the 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 (RmTPotid) of the remote device in the neighbor information logic node information of each port;
s54, whether the opposite terminal equipment IP address in the process layer exchanger port expected connection table is consistent with the remote device IP address (RmtDeVIP) in the neighbor information logic node information of each port;
as long as one of the items is inconsistent, there is a process layer connection error, and there is no ordering requirement for steps S51-S54.
In one embodiment, the method for verifying the topology of the process-level switch of the intelligent substation in real time further includes step S6, generating a real-time verification report according to the subnet partition result and the switch port connection judgment.
In summary, the method obtains the switch port neighbor information logic node information in real time by using MMS communication, and monitors the correctness of the switch port connection and the correctness of the field device connection subnet division in real time by comparing the switch port neighbor information logic node information obtained by using the SCD file.
Through automatic verification of the correctness of the port connection of the switch, the complex work of manual checking of the switch connection is avoided, the configuration error of the subnet of the switch and the port connection error of the switch can be found in time, the working efficiency is improved, and the working difficulty of field personnel is greatly reduced.
The above disclosure is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of changes or modifications within the technical scope of the present invention, and shall be covered by the scope of the present invention.
Claims (9)
1. The intelligent substation process layer switch topology real-time verification method is characterized by comprising 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 acquiring a process layer switch port expected connection table according to the process layer switch equipment information and 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 neighbor information logic node information of each port of all process layer switch devices in 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;
and judging whether the switch interfaces are correctly connected according to the real-time actual connection relation information of the process layer switch equipment, thereby finishing the real-time verification of the process layer switch topology.
2. The intelligent substation process level switch topology real-time verification method of claim 1, wherein the subnet information comprises: the total station subnet number, each subnet name, equipment identification ID and subnet type contained in the subnet.
3. The intelligent substation process level switch topology real-time verification method of claim 1, wherein the device information comprises: each device identification ID, device description, device type, device IP address, and subnet name to which the device belongs.
4. The intelligent substation process layer switch topology real-time verification method of claim 1, wherein the switch port connection information comprises: home port name, opposite device identification ID, and opposite port name.
5. The intelligent substation process layer switch topology real-time verification method of claim 1, wherein the process layer switch port expected connection table comprises: the local terminal switch identifies ID, local terminal switch port ID, local terminal switch IP address, opposite terminal device description, opposite terminal device port ID and opposite terminal device IP address.
6. The intelligent substation process layer switch topology real-time verification method according to claim 1, wherein judging whether subnet partition is wrong according to the real-time actual connection relationship information of the process layer switch device comprises the steps of:
dividing process layer switch equipment with actual connection relation information into the same subnet;
comparing the device identification ID of the process layer switch device under the same subnet with the device identification ID contained in the device physical connection subnet information in the subnet information in step S1, if the device identification ID contained in the device physical connection subnet information in the subnet information cannot all contain the device identification ID of the process layer switch device under the same subnet, the subnet partition of the process layer switch device is incorrect.
7. The intelligent substation process layer switch topology real-time verification method according to claim 1, wherein judging whether a switch interface is correctly connected according to the real-time actual connection relationship information of the process layer switch device is as follows: and comparing the neighbor information logic node information of each port with the expected connection table of the port of the process layer switch, and judging whether the port of the switch is connected correctly.
8. The intelligent substation process layer switch topology real-time verification method according to claim 7, wherein comparing the neighbor information logical node information of each port with an expected connection table of a process layer switch port, and determining whether a switch port is correctly connected 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 terminal description in the expected connection table of the process layer switch port 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 expected connection table of the port of the process layer switch is consistent with the port ID of the remote device in the neighbor information logic node information of each port or not;
whether the IP address of the opposite terminal equipment in the expected connection table of the process layer switch port is consistent with the IP address of the remote device in the neighbor information logic node information of each port or not;
if one of the items is inconsistent, the process layer connection is faulty.
9. The intelligent substation process layer switch topology real-time verification method of claim 1, further comprising generating a real-time verification report according to the subnet partition result and switch port connection determination.
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