Method and equipment for automatically configuring communication parameters of transformer substation, and program product

Abstract

The invention discloses a substation communication parameter automatic configuration method, which performs grouping, subnet division and communication parameter distribution on IED (Intelligent Electronic Device) devices in an automatic manner, can quickly and accurately complete complex configuration tasks according to clear rules and standard definitions, greatly shortens the construction period and debugging time of an intelligent substation, and improves the communication efficiency. Meanwhile, the operation and maintenance cost is reduced, the accuracy and reliability of subnet configuration and communication parameters are ensured, the integration quality of the intelligent substation SCD file is fundamentally improved, the influence of human factors on the configuration result is reduced, the configuration process has higher repeatability and consistency, and the method is suitable for popularization and application. And the stability and the safety of the whole intelligent substation system are improved.

Description

Technical Field

[0001] The present invention relates to the technical field of intelligent substation operation and maintenance, and in particular to a method for automatically configuring substation communication parameters, and also to a computer device and a program product. Technical Background

[0002] In recent years, my country's standardized substation design specifications have become increasingly sophisticated. However, current research on smart substation configuration optimization focuses primarily on the automatic configuration of virtual circuits based on design specifications, and has yet to address the automatic configuration of subnets and communication parameters. To address the low level of standardization, poor integration efficiency, and quality in smart substation integration, and the need to improve integration efficiency and quality, this method reduces manual involvement, avoids duplication of work, and significantly improves smart substation integration efficiency. It also reduces human error, improves configuration accuracy and reliability, and thus enhances the integration quality of smart substation SCD files. Summary of the Invention

[0003] The purpose of the invention is to address the above-mentioned problems existing in the prior art. The present invention provides a method for automatically configuring substation communication parameters, and also provides a computer device and a program product.

[0004] The above-mentioned purpose of the present invention is achieved by the following technical means:

[0005] A method for automatically configuring substation communication parameters, comprising the following steps:

[0006] Step 1: Parse the SCD file, extract the relevant description information of the IED device, and check whether there is an S1 access node, G1 access node, M1 access node, the number of GOOSE control blocks, and the number of SV control blocks under each IED node. Finally, group each IED device according to the relevant description information;

[0007] Step 2: Divide the station control layer network into multiple subnets, and assign each IED device to each subnet of the station control layer network based on the relevant description information of the IED device;

[0008] Step 3: Allocate IP addresses, subnet masks, and gateway addresses to each IED device in each subnet of the station control layer network;

[0009] Step 4: Allocate communication parameters to each GOOSE control block of each IED device including the G1 access node. The communication parameters of the GOOSE control block include VLAN, MAC address, and APPID.

[0010] Step 5: Allocate communication parameters to each SV control block of each IED device including the M1 access node. The communication parameters of the SV control block include VLAN, MAC address, and APPID.

[0011] Step 6: Divide the process layer network into multiple subnets according to voltage level and suite type, and assign each IED device to each subnet of the process layer network;

[0012] Step 7: Verify the correctness of the configuration through the SCD verification module.

[0013] As described above, step 1 specifically includes: parsing the first to eighth characters of the IEDNAME of the IED device to obtain relevant description information of the IED device, which includes the device type, bay type, voltage level, bay number, and set type; and then grouping the IED devices according to the device type.

[0014] As mentioned above, the types of IED devices include protection devices, protection and measurement devices, measurement and control devices, merging units, intelligent terminals, switches, and intelligent recorder acquisition units;

[0015] IED devices whose equipment types are protection devices and measurement devices are divided into the first group, IED devices whose equipment types are measurement and control devices are divided into the second group, IED devices whose equipment types are merging units and intelligent terminals are divided into the third group, IED devices whose equipment types are switches are divided into the fourth group, and IED devices whose equipment types are intelligent recorder acquisition units are divided into the fifth group.

[0016] As mentioned above, step 2 is specifically as follows:

[0017] First, the station control layer network is divided into monitoring A network, monitoring B network, protection substation network, intelligent recorder acquisition unit network, and switch network;

[0018] Then, each group is divided into the corresponding subnet of the station control layer network according to the device type: each IED device in the first group is divided into the monitoring A network and the protection substation network, each IED device in the second group is divided into the monitoring B network, each IED device in the third group is divided into the protection substation network, each IED device in the fourth group is divided into the switch network, and each IED device in the fifth group is divided into the intelligent recorder acquisition unit network.

[0019] The above step 3 specifically includes the following steps:

[0020] Step 3.1, assign the first digit of the IP address of each IED device in each subnet of the station control layer network to be 172;

[0021] Step 3.2: The second digit of the IP address assigned to the IED device in the monitoring network A is 16, and the second digit of the IP address assigned to the IED device in the monitoring network B is 17;

[0022] The third digit of the IP address is assigned according to the first two digits of the voltage level of each IED device;

[0023] Assign the fourth digit of the IP address in the order 2-254 according to the order in which the IED devices are imported;

[0024] Step 3.3: Assign the second digit of the IP address of the IED devices in the intelligent oscilloscope acquisition unit network to 21. Assign the third digit of the IP address according to the first two digits of the voltage level of each IED device, and assign 99 to the public device independently. Assign the fourth digit of the IP address in the order of 2-254 according to the order in which the IED devices are imported.

[0025] Step 3.4: IEDs in the switch network are divided into Group A, Group B, and Single Set Group according to their corresponding suite information. The second digit of the IP address assigned to IEDs in Group A is 18, the second digit of the IP address assigned to IEDs in Group B is 19, and the second digit of the IP address assigned to IEDs in the Single Set Group is 30. The third digit of the IP address is assigned based on the first two digits of the voltage level of each IED, and 99 is assigned to common devices independently. The fourth digit of the IP address is assigned sequentially from 2 to 254 according to the order in which the IEDs are installed.

[0026] Step 3.5. Get the default subnet mask and set the gateway address.

[0027] The above-mentioned step 4 specifically includes the following steps:

[0028] Step 4.1: Extract all IED devices including the G1 access node and assign a VLAN identifier, VLAN priority, change time, and heartbeat time to the GOOSE control block of each IED device;

[0029] Step 4.2: Configure the MAC addresses of all GOOSE control blocks in hexadecimal order. The MAC address value range is 01-0C-CD-01-00-00 to 01-0C-CD-01-3F-FF.

[0030] Step 4.3: Take the last four digits of the MAC address of each GOOSE control block and fill them into APPID.

[0031] The above step 5 specifically includes the following steps:

[0032] Step 5.1: Extract all IED devices including the M1 access node and assign a VLAN identifier and a VLAN priority to the SV control block of each IED device;

[0033] Step 5.2: Configure the MAC addresses of all SV control blocks in hexadecimal order. The MAC address value range is 01-0C-CD-04-00-00 to 01-0C-CD-04-01-FF.

[0034] Step 5.3: Take the last four digits of the MAC-Address of each SV control block and fill them into the APPID.

[0035] A computer device includes a memory and a processor, wherein the memory stores a computer program, and the processor implements the steps of the above method when executing the computer program.

[0036] A computer program product comprises a computer program, wherein the computer program implements the steps of the above method when executed by a processor.

[0037] Compared with the prior art, the present invention has the following beneficial effects:

[0038] (1) The method of the present invention groups IED devices, divides subnets, and allocates communication parameters in an automated manner. Based on clear rules and standard definitions, it can quickly and accurately complete complex configuration tasks, greatly shortening the construction period and commissioning time of smart substations, while also reducing operation and maintenance costs, ensuring the accuracy and reliability of subnet configuration and communication parameters, and fundamentally improving the integration quality of SCD files of smart substations.

[0039] (2) The method of the present invention also reduces the impact of human factors on the configuration results through an automated process, making the configuration process more repeatable and consistent, and improving the stability and security of the entire smart substation system. BRIEF DESCRIPTION OF THE DRAWINGS

[0040] Figure 1 is a flow chart of the method of the present invention. DETAILED DESCRIPTION

[0041] In order to facilitate those skilled in the art to understand and implement the present invention, the present invention is further described in detail below with reference to the embodiments. The embodiments described herein are only used to illustrate and explain the present invention and are not intended to limit the present invention.

[0042] Example 1:

[0043] A method for automatically configuring substation communication parameters, comprising the following steps:

[0044] Step 1: Parse the SCD file, extract the relevant description information of the IED device, and check whether there is an S1 access node, G1 access node, M1 access node, the number of GOOSE control blocks, and the number of SV control blocks under each IED node. Finally, group each IED device according to the relevant description information. The specific steps include:

[0045] Step 1.1: Parse the first to eighth characters of each IEDNAME in the SCD file according to the standard definition ("IEDNAME Character Standard Definition Table") to match the meaning of the characters in the IEDNAME (device name) and extract the device type, bay type, voltage level, bay number, and set of the IED device corresponding to each IEDNAME. Specifically:

[0046] Parse the first and second characters of IEDNAME to obtain the device type of the IED device; parse the third character of IEDNAME to obtain the interval type of the IED device; parse the fourth and fifth characters of IEDNAME to obtain the voltage level; parse the sixth and seventh characters of IEDNAME to obtain the interval number; parse the eighth character of IEDNAME to obtain the set number;

[0047] Equipment types include protection devices, protection and measurement devices, measurement and control devices, merging units, intelligent terminals, switches, and intelligent recorder acquisition units;

[0048] Step 1.2. Group the IED devices according to their device type: IED devices of the protection device and the measurement device are divided into the first group, IED devices of the measurement and control device are divided into the second group, IED devices of the merging unit and the intelligent terminal are divided into the third group, IED devices of the switch are divided into the fourth group, and IED devices of the intelligent recorder acquisition unit are divided into the fifth group.

[0049] Step 2: Divide the station control layer network into multiple subnets, and assign each IED device to each subnet of the station control layer network based on the extracted relevant description information of the IED device, which specifically includes the following steps:

[0050] Step 2.1: Divide the station control layer network into monitoring network A, monitoring network B, protection substation network, intelligent recorder acquisition unit network, and switch network;

[0051] Step 2.2: Then, divide each group into the corresponding subnet of the station control layer network according to the device type. Specifically, divide the IED devices of the first group into the monitoring network A and the protection substation network, divide the IED devices of the second group into the monitoring network B, divide the IED devices of the fourth group into the switch network, and divide the IED devices of the fifth group into the intelligent recorder acquisition unit network.

[0052] Step 3: Allocate an IP address, subnet mask, and gateway address to each IED device in each subnet of the station control layer network, specifically including the following steps:

[0053] The format of the IP address is 172.YXN, where Y is the subnet type; X is the voltage level. Public equipment is numbered independently and must not be repeated with other equipment. N is the device host number. The device host numbers of different IED devices must be unique and special numbers such as 0, 1, and 255 must not be used.

[0054] Get the default subnet mask based on the IP address type and set the gateway address.

[0055] As an implementable method, in step 3.1, the first digit of the IP address assigned to each IED device in each subnet of the station control layer network is 172;

[0056] Step 3.2: The second digit of the IP address assigned to the IED device in the monitoring network A is 16, and the second digit of the IP address assigned to the IED device in the monitoring network B is 17;

[0057] The third digit of the IP address is assigned based on the first two digits of the voltage level of each IED device. For example, 500kV is 50, 330kV is 33, 220kV is 22, 110kV is 11, 66kV is 66, 35kV is 35, and 10kV is 10. The third digit of the IP address is assigned to public devices independently. Ensure that the IP address is unique in the current SCD file.

[0058] Assign the fourth digit of the IP address in the order 2-254 according to the order in which the IED devices are imported;

[0059] Step 3.3: Assign the second digit of the IP address of the IED devices in the intelligent oscilloscope acquisition unit network to 21. Assign the third digit of the IP address according to the first two digits of the voltage level of each IED device, and assign 99 to the public device independently. Assign the fourth digit of the IP address in the order of 2-254 according to the order in which the IED devices are imported.

[0060] Step 3.4: IEDs in the switch network are divided into Group A, Group B, and Single Set Group according to their corresponding suite information. The second digit of the IP address assigned to IEDs in Group A is 18, the second digit of the IP address assigned to IEDs in Group B is 19, and the second digit of the IP address assigned to IEDs in the Single Set Group is 30. The third digit of the IP address is assigned based on the first two digits of the voltage level of each IED, and 99 is assigned to common devices independently. The fourth digit of the IP address is assigned sequentially from 2 to 254 according to the order in which the IEDs are installed.

[0061] Step 3.5: Assign subnet mask "255.255.0.0" and gateway address "0.0.0.0" to all devices in monitoring network A, monitoring network B, protection substation network, intelligent recorder acquisition unit network, and switch network divided in step 2.1.

[0062] Step 4: Allocate communication parameters to each GOOSE control block of each IED device including the G1 access node. The communication parameters of the GOOSE control block include VLAN, MAC address, and APPID. Specifically, the following steps are included:

[0063] Step 4.1: Extract all IED devices that include the G1 access node, and assign a VLAN ID (VLAN identifier) ​​of 000 (the VLAN ID configuration should be a 3-digit hexadecimal value in the range of 0x000 to 0xFFF), a VLAN PRIORITY of 7, a MinTime of 2, and a MaxTime of 5000 to the GOOSE control block of each IED device.

[0064] Step 4.2: Configure the MAC address of all GOOSE control blocks in hexadecimal order. The MAC address value range is 01-0C-CD-01-00-00 to 01-0C-CD-01-3F-FF. The MAC address parameter is guaranteed to be unique in the current SCD file.

[0065] Step 4.3: Take the last four digits of the MAC-Address of each GOOSE control block and fill them into the APPID. That is, the last four bytes of the APPID and MAC-Address should be consistent.

[0066] Step 5: Allocate communication parameters to each SV control block of each IED device including the M1 access node. The communication parameters of the SV control block include VLAN, MAC address, and APPID. Specifically, the following steps are included:

[0067] Step 5.1. Extract all IED devices that include the M1 access node, assign a VLAN ID (VLAN identifier) ​​of 000 (the VLAN ID configuration should be a 3-digit hexadecimal value in the range of 0x000 to 0xFFF) and a VLAN priority of 4 to the SV control block of each IED device;

[0068] Step 5.2: Configure the MAC address of all SV control blocks in hexadecimal order. The MAC address value range is 01-0C-CD-04-00-00 to 01-0C-CD-04-01-FF. The MAC address parameter is guaranteed to be unique in the current SCD file.

[0069] Step 5.3: Take the last four digits of the MAC-Address of each SV control block and fill them into the APPID. That is, the last four bytes of the APPID and MAC-Address must be consistent.

[0070] Step 6: Divide the process layer network according to the voltage level and suite, and divide the IED devices including the G1 access point or the M1 access point into the process layer network of the corresponding voltage level and suite according to the voltage level and suite of the IED devices, which specifically includes the following steps:

[0071] Step 6.1. Divide different process layer networks according to voltage levels. Redundant multi-networks are represented by A1, A2, B1, and B2.

[0072] Step 6.2: Classify the IED devices in the first, second, third, and fourth groups of devices, including the G1 access point or the M1 access point, according to voltage level and suite type, and assign these devices to the process layer network of the corresponding voltage level and suite type. For example, if the extracted device voltage and suite type are 220kV and A respectively, then assign these devices to the 220kV process layer A1 network and the 220kV process layer A2 network.

[0073] Step 7. After completing the automatic configuration, verify the correctness of the configuration through the SCD verification module to ensure the accuracy and rationality of the subnet configuration and communication parameters. Verify the configured subnet and corresponding communication parameter information with the configuration results through the SCD verification module to ensure the correctness of the automatic configuration.

[0074] In one embodiment, a computer device is further provided, including a memory and a processor. The memory stores a computer program, and the processor implements the steps in the above method embodiments when executing the computer program.

[0075] In one embodiment, a computer-readable storage medium is provided, on which a computer program is stored. When the computer program is executed by a processor, the steps in the above-mentioned method embodiments are implemented.

[0076] In one embodiment, a computer program product is provided, including a computer program, which implements the steps in the above method embodiments when executed by a processor.

[0077] The method of the present invention groups IED devices, divides subnets, and allocates communication parameters in an automated manner. Based on clear rules and standard definitions, it can quickly and accurately complete complex configuration tasks, greatly shortening the construction period and commissioning time of smart substations, while also reducing operation and maintenance costs, ensuring the accuracy and reliability of subnet configuration and communication parameters, and fundamentally improving the integration quality of SCD files of smart substations.

[0078] The method of the present invention also reduces the influence of human factors on the configuration results through an automated process, making the configuration process more repeatable and consistent, and improving the stability and security of the entire smart substation system.

[0079] It should be noted that the embodiments described herein are merely illustrative of the methods of the present invention. Persons skilled in the art may make various modifications, additions, or substitutions to the described embodiments without departing from the spirit of the present invention or exceeding the scope of the appended claims.

Claims

1. A method for automatically configuring substation communication parameters, characterized in that: The following steps are involved: Step 1: Parse the SCD file, extract the relevant description information of the IED device, and check whether there is an S1 access node, G1 access node, M1 access node, the number of GOOSE control blocks, and the number of SV control blocks under each IED node. Finally, group each IED device according to the relevant description information; Step 2: Divide the station control layer network into multiple subnets, and assign each IED device to each subnet of the station control layer network based on the relevant description information of the IED device; Step 3: Allocate IP addresses, subnet masks, and gateway addresses to each IED device in each subnet of the station control layer network; Step 4: Allocate communication parameters to each GOOSE control block of each IED device including the G1 access node. The communication parameters of the GOOSE control block include VLAN, MAC address, and APPID. Step 5: Allocate communication parameters to each SV control block of each IED device including the M1 access node. The communication parameters of the SV control block include VLAN, MAC address, and APPID. Step 6: Divide the process layer network into multiple subnets according to voltage level and suite type, and assign each IED device to each subnet of the process layer network; Step 7: Verify the correctness of the configuration through the SCD verification module.

2. A method for automatically configuring substation communication parameters according to claim 1, characterized in that: The step 1 specifically comprises: parsing the first to eighth characters of the IEDNAME of the IED device to obtain relevant description information of the IED device, which includes device type, bay type, voltage level, bay number, and set type; and then grouping the IED devices according to the device type.

3. A method for automatic configuration of substation communication parameters according to claim 2, characterized in that: The equipment types of the IED device include protection devices, protection and measurement devices, measurement and control devices, merging units, intelligent terminals, switches, and intelligent recorder acquisition units; IED devices whose equipment types are protection devices and measurement devices are divided into the first group, IED devices whose equipment types are measurement and control devices are divided into the second group, IED devices whose equipment types are merging units and intelligent terminals are divided into the third group, IED devices whose equipment types are switches are divided into the fourth group, and IED devices whose equipment types are intelligent recorder acquisition units are divided into the fifth group.

4. A method for automatic configuration of substation communication parameters according to claim 3, characterized in that: The step 2 is specifically as follows: First, the station control layer network is divided into monitoring A network, monitoring B network, protection substation network, intelligent recorder acquisition unit network, and switch network; Then, each group is divided into the corresponding subnet of the station control layer network according to the device type: each IED device in the first group is divided into the monitoring A network and the protection substation network, each IED device in the second group is divided into the monitoring B network, each IED device in the third group is divided into the protection substation network, each IED device in the fourth group is divided into the switch network, and each IED device in the fifth group is divided into the intelligent recorder acquisition unit network.

5. The method for automatic configuration of substation communication parameters according to claim 1, characterized in that: The step 3 specifically includes the following steps: Step 3.1, assign the first digit of the IP address of each IED device in each subnet of the station control layer network to be 172; Step 3.2: The second digit of the IP address assigned to the IED device in the monitoring network A is 16, and the second digit of the IP address assigned to the IED device in the monitoring network B is 17; The third digit of the IP address is assigned according to the first two digits of the voltage level of each IED device; Assign the fourth digit of the IP address in the order 2-254 according to the order in which the IED devices are imported; Step 3.3: Assign the second digit of the IP address of the IED devices in the intelligent oscilloscope acquisition unit network to 21. Assign the third digit of the IP address according to the first two digits of the voltage level of each IED device, and assign 99 to the public device independently. Assign the fourth digit of the IP address in the order of 2-254 according to the order in which the IED devices are imported. Step 3.4: IEDs in the switch network are divided into Group A, Group B, and Single Set Group according to their corresponding suite information. The second digit of the IP address assigned to IEDs in Group A is 18, the second digit of the IP address assigned to IEDs in Group B is 19, and the second digit of the IP address assigned to IEDs in the Single Set Group is 30. The third digit of the IP address is assigned based on the first two digits of the voltage level of each IED, and 99 is assigned to common devices independently. The fourth digit of the IP address is assigned sequentially from 2 to 254 according to the order in which the IEDs are installed. Step 3.

5. Get the default subnet mask and set the gateway address.

6. A method for automatic configuration of substation communication parameters according to claim 1, characterized in that: The step 4 specifically includes the following steps: Step 4.1: Extract all IED devices including the G1 access node and assign a VLAN identifier, VLAN priority, change time, and heartbeat time to the GOOSE control block of each IED device; Step 4.2: Configure the MAC addresses of all GOOSE control blocks in hexadecimal order. The MAC address value range is 01-0C-CD-01-00-00 to 01-0C-CD-01-3F-FF. Step 4.3: Take the last four digits of the MAC address of each GOOSE control block and fill them into APPID.

7. A method for automatic configuration of substation communication parameters according to claim 1, characterized in that: The step 5 specifically includes the following steps: Step 5.1: Extract all IED devices including the M1 access node and assign a VLAN identifier and a VLAN priority to the SV control block of each IED device; Step 5.2: Configure the MAC addresses of all SV control blocks in hexadecimal order. The MAC address value range is 01-0C-CD-04-00-00 to 01-0C-CD-04-01-FF. Step 5.3: Take the last four digits of the MAC-Address of each SV control block and fill them into the APPID.

8. A computer device comprising a memory and a processor, wherein the memory stores a computer program, wherein: When the processor executes the computer program, the steps of the method according to any one of claims 1 to 7 are implemented.

9. A computer program product comprising a computer program, characterized in that When the computer program is executed by a processor, the steps of the method according to any one of claims 1 to 7 are implemented.

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