CN106991482B - Intelligent substation IED (intelligent electronic device) interchange method and device - Google Patents
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Abstract
The invention relates to an intelligent substation IED (intelligent electronic device) interchange method and device, wherein a virtual terminal mapping library is constructed by collecting an ICD (interface control document) model of a product which passes through relay protection and safety automatic device professional detection of a national power grid company, and when an intelligent substation is reconstructed and expanded and a secondary system of the intelligent substation is configured, virtual terminal connection lines are quickly replaced according to the virtual terminal mapping library. The invention reduces the workload of field engineering personnel, improves the configuration accuracy, can repeatedly use the virtual terminal mapping library, synchronously updates the virtual terminal mapping library file when new products are released, can facilitate corresponding processing of operators, and improves the operation and maintenance efficiency of intelligent equipment.
Description
Technical Field
The invention belongs to the technical field of intelligent substation secondary system configuration, and particularly relates to an intelligent substation IED (intelligent electronic device) interchange method and device.
Background
The information communication standard of the information flow platform of the intelligent power grid substation is IEC61850, IEC61850 provides a definition and construction method of a data model of each IED information resource of the substation automation system, and a communication service system of the data model is provided. The aim of IEC61850 is to achieve interoperability between IEDs of the substation and interchangeability of IEDs of the substation. Interoperability refers to exchange and kiosk sharing of data information among all IEDs of a transformer substation, and is achieved by mutual configuration of data models on all IEDs of the transformer substation, and mutual configuration of the existing data models is usually performed manually on a configuration tool platform; interchangeability refers to the capability of mutual replacement between IEDs with the same function produced by different manufacturers without changing other IEDs in the system, that is, the interchange between different IEDs is realized on the basis of matching configuration according to automatic matching configuration of data model definition structures with the same function between IEDs.
Because automatic configuration of data models among IEDs is the basis for realizing interchangeability of IEDs, the configuration of IEDs data models is manually completed through configuration files on a proprietary configuration tool platform by using a file configuration mode of the existing IED data model configuration, and the configuration process is as follows:
① applying Substation Configuration Language (SCL), establishing intelligent device capability description (ICD) files by device manufacturers for data models of substation intelligent devices;
② building a system description (SSD) file by a system integrator with respect to the voltage class, topology and size of the substation, using SCL;
③ in the field engineering process, the ICD file and the SSD file of each intelligent device of the transformer substation are input to the system configuration tool platform by the system integrator, and each ICD file and SSD file are manually associated and matched on the system configuration tool platform to form an engineering instantiated transformer Substation Configuration Description (SCD) file;
④ stripping off the part of SCD file adapted to the intelligent device to form the intelligent device description (CID) file after project example configuration;
⑤ reading the CID file into each intelligent device, analyzing and generating an intelligent device data model structure and a communication interface;
⑥, on the basis of consistent data model structures, data information exchange and sharing are realized among intelligent devices of the substation.
In the reconstruction and extension of the intelligent substation, not only the secondary virtual circuit of the substation needs to be reconnected according to the design, but also the manual configuration process needs to be performed again on the newly added device and the associated device, the influence range is large, the associated device and the secondary virtual circuit need to be re-tested and verified, the time period for exchanging IEDs in the reconstruction and extension is long, the workload is large, and great difficulty is brought to the operation and maintenance work of the intelligent substation.
Disclosure of Invention
The invention aims to provide an intelligent substation IED interchange method and device, which are used for solving the problems of long time period and large workload of IED interchange during reconstruction and expansion of the existing intelligent substation.
In order to solve the technical problem, the invention provides an intelligent substation IED interchange method, which comprises the following steps:
1) finding out virtual terminals with the same type IED of different manufacturers by using the defined standard virtual terminals, and establishing a mapping relation of the virtual terminals between the IEDs of different manufacturers and the same type to form a virtual terminal mapping library;
2) judging whether the IED to be replaced and the replaced IED meet the replacement condition or not according to the virtual terminal mapping library, when the IED to be replaced and the replaced IED meet the replacement condition, replacing station control layer information of the replaced IED with station control layer information of the IED to be replaced, replacing the virtual terminal of the replaced IED with a virtual terminal of the IED to be replaced, replacing communication physical port information of the replaced IED with communication physical port information of the IED to be replaced, and completing replacement of an ICD file of the replaced IED into an ICD file of the IED to be replaced;
3) and generating a new SCD file after replacement, and downloading a CID file and a CCD file which are exported by using the SCD file into the replaced IED.
Further, the replacement conditions are: the IED to be replaced and the replaced IED have the same device type and the same application type in the virtual terminal mapping library.
Further, when the ICD file is replaced by the IED to be replaced and the replaced IED, the station control layer information of the IED to be replaced and the station control layer information of the replaced IED are replaced according to the mapping relation between the virtual terminal and the physical port.
Further, the method further includes the step of replacing the virtual terminal of the corresponding device receiving the replaced IED information with the virtual terminal of the corresponding device receiving the IED information to be replaced.
Further, the engineering configuration file of the IED to be replaced is compared with the engineering configuration file of the IED to be replaced, and the comparison result is displayed graphically.
In order to solve the above problem, the present invention further provides an intelligent substation IED interchange device, including:
a mapping library establishing unit: the virtual terminal mapping method comprises the steps of using defined standard virtual terminals to find out virtual terminals of the same type IED of different manufacturers, establishing a mapping relation of the virtual terminals between the IEDs of the different manufacturers and the same type, and forming a virtual terminal mapping library;
IED interchange unit: the system comprises a virtual terminal mapping base, a replacing module and a storage module, wherein the virtual terminal mapping base is used for judging whether an IED to be replaced and a replaced IED meet a replacing condition or not according to the virtual terminal mapping base, when the IED to be replaced and the replaced IED meet the replacing condition, station control layer information of the replaced IED is replaced by station control layer information of the IED to be replaced, a virtual terminal of the replaced IED is replaced by a virtual terminal of the IED to be replaced, communication physical port information of the replaced IED is replaced by communication physical port information of the IED to be replaced, and an ICD file of the replaced IED is replaced by an ICD file of;
installing a unit: and generating a new SCD file after replacement, and downloading a CID file and a CCD file which are derived by using the SCD file into the replaced IED.
Further, the replacement conditions are: the IED to be replaced and the replaced IED have the same device type and the same application type in the virtual terminal mapping library.
Further, the unit is configured to, when the ICD file is replaced by the IED to be replaced and the replaced IED, replace station control layer information of the IED to be replaced and station control layer information of the replaced IED according to the mapping relationship between the virtual terminal and the physical port.
Further, the method includes replacing a virtual terminal of a corresponding device receiving the replaced IED information with a virtual terminal of the corresponding device receiving the IED information to be replaced.
Furthermore, the system also comprises a unit for comparing the engineering configuration file of the IED to be replaced with the engineering configuration file of the IED to be replaced and graphically displaying the comparison result.
The invention has the beneficial effects that: finding out virtual terminals of the same type IED of different manufacturers by using the standard virtual terminals, and establishing a mapping relation of the virtual terminals between the IEDs of the same type and different manufacturers to form a virtual terminal mapping library; and carrying out virtual terminal interchange on the ICD files of the IEDs of the same type in a system configuration tool, synchronously replacing process layer physical port information, and generating a new SCD file to realize the interchange among the IEDs. The invention reduces the workload of field engineering personnel, improves the configuration accuracy, can repeatedly use the virtual terminal mapping library, synchronously updates the virtual terminal mapping library file when new products are released, can facilitate corresponding processing of operators, and improves the operation and maintenance efficiency of intelligent equipment.
Drawings
FIG. 1 is a schematic diagram of a virtual terminal mapping library file according to the present invention;
FIG. 2 is a schematic diagram of a virtual terminal mapping relationship according to the present invention;
fig. 3 is a schematic flow diagram of IED interchange of the present invention.
Detailed Description
The following further describes embodiments of the present invention with reference to the drawings.
The embodiment of the intelligent substation IED interchange method comprises the following steps:
in the design period of the intelligent substation, one-time design is carried out according to the final scale of the intelligent substation, ICDs of typical device models are used for replacing pre-expanded intervals, and SCD files of the whole substation are formed; and collecting ICD model files of various manufacturers meeting national network specifications, and establishing a virtual terminal mapping library by using the signals of the standard virtual terminals and the names of the physical ports.
As shown in fig. 1, when constructing the virtual terminal mapping library, the protection devices oriented to different device types and application types define the virtual terminal mapping relationships of different manufacturers in an XML format. The type and the application range of the protection device, and the IED name, the model and the virtual terminal signal name of each manufacturer under the same type and the same application range are described in the mapping library.
As shown in fig. 2, virtual terminal references (Ref) defined by each manufacturer are different, a corresponding virtual terminal relationship is searched according to a standard virtual terminal definition, a corresponding virtual terminal reference (Ref) is found out by a standard virtual terminal signal name, a virtual terminal mapping relationship is established between two IEDs, and then based on the mapping relationship, an actual commissioning device is realized to replace an original device without affecting connection with other external IEDs.
When the intelligent substation needs to be replaced or an IED is newly added in the reconstruction and extension process, as shown in fig. 3, the secondary system configuration tool is used to locate the first ICD model file of the replaced device, and select the second ICD model file of the IED which actually needs to be put into operation. Firstly, whether the selected IED belongs to the same type device and the same application range is evaluated according to the device type and the application range provided by the virtual terminal mapping library, and the protection devices of the same manufacturer and different manufacturers with the same protection function are judged to be replaceable. The specific step of the evaluation is to judge whether the second ICD model file matches the first ICD model file of the replaced device according to the information such as type, manufacturer, and configVersion in the ICD.
For the protection device meeting the replacement condition, the station control layer information replaces the first ICD model file by using the second ICD model file, station control layer information such as IP addresses is exchanged, the communication relationship between the IED and the outside is not changed before and after the exchange, the virtual terminal of the device and the virtual terminal of the corresponding device receiving the IED information are replaced, the communication physical port information of the GOOSE and SV of the process layer is synchronously replaced, new 61850 references are matched for the GOOSE and SV of the process layer according to the virtual terminal mapping relationship in the virtual terminal mapping library, automatic replacement of the GOOSE and SV is carried out, the virtual terminals are connected, and a new SCD file is generated.
The method comprises the steps of utilizing an IED configuration tool to derive CID and CCD files of an actual commissioning device from a newly generated SCD file, comparing an internal configuration file of a replaced device with a configuration file of a device to be uninstalled (commissioning device) before uninstalling, checking consistency of configuration results, firstly taking out and analyzing an engineering file in the replaced device, positioning the engineering file to a virtual terminal connecting line configuration part and a network port configuration part, analyzing an engineering file needing to be uninstalled, positioning the engineering file to a virtual terminal connecting line configuration part and a network port configuration part in the same way, comparing differences of the two parts, displaying the differences in a table form in a visual mode, and graphically displaying changes of a secondary virtual circuit and a network port after IED exchange is implemented. And after the difference comparison and confirmation, performing CID and CCD file downloading.
When the ICD of the substation is replaced, the substation control layer model of the operation device ICD is reserved, the virtual terminal connecting lines in the secondary virtual circuit are equally replaced, and the interchange of IEDs is realized on the premise that the secondary virtual circuit of the whole substation is not changed.
In the process of establishing the virtual terminal mapping library, the virtual terminals and the network ports in the devices with the same functions and purposes are regarded as interchangeable virtual terminals and network ports by using the Name (Name), reference (Ref) and description (Desc) definitions of the virtual terminals, the relationship between the devices is defined as a mapping relationship, and the feature information of intelligent devices (IEDs) of different manufacturers of the same type and the mapping relationship of the virtual terminals and the network ports in the intelligent devices are described by using an extensible markup language XML.
According to the method, the virtual terminal mapping library is constructed by collecting the ICD model of the product which passes through the relay protection and safety automatic device professional detection of the national power grid company, and when the intelligent substation is rebuilt and expanded and a secondary system of the intelligent substation is configured, the virtual terminal connection line is quickly replaced according to the virtual terminal mapping library. The method reduces the workload of field engineering personnel, improves the configuration accuracy, can repeatedly use the virtual terminal mapping library, synchronously updates the virtual terminal mapping library file when new products are released, can facilitate corresponding processing of operators, and improves the operation and maintenance efficiency of intelligent equipment.
An embodiment of an intelligent substation IED interchange device of the present invention includes:
a mapping library establishing unit: the virtual terminal mapping method comprises the steps of using defined standard virtual terminals to find out virtual terminals of the same type IED of different manufacturers, establishing a mapping relation of the virtual terminals between the IEDs of the different manufacturers and the same type, and forming a virtual terminal mapping library;
IED interchange unit: the system comprises a virtual terminal mapping base, a replacing module and a storage module, wherein the virtual terminal mapping base is used for judging whether an IED to be replaced and a replaced IED meet a replacing condition or not according to the virtual terminal mapping base, when the IED to be replaced and the replaced IED meet the replacing condition, station control layer information of the replaced IED is replaced by station control layer information of the IED to be replaced, a virtual terminal of the replaced IED is replaced by a virtual terminal of the IED to be replaced, communication physical port information of the replaced IED is replaced by communication physical port information of the IED to be replaced, and an ICD file of the replaced IED is replaced by an ICD file of;
installing a unit: and generating a new SCD file after replacement, and downloading a CID file and a CCD file which are derived by using the SCD file into the replaced IED.
The IED interchange device of the intelligent substation referred to in the above embodiments is actually a computer solution, i.e. a software framework, based on the method flow of the present invention, and the above device is a processing procedure corresponding to the method flow. The method described above is sufficiently clear and complete, and the device claimed in this embodiment is actually a software architecture, and therefore will not be described in detail.
Claims (10)
1. An intelligent substation IED interchange method is characterized by comprising the following steps:
1) finding out virtual terminals with the same type IED of different manufacturers by using the defined standard virtual terminals, and establishing a mapping relation of the virtual terminals between the IEDs of different manufacturers and the same type to form a virtual terminal mapping library;
2) judging whether the IED to be replaced and the replaced IED meet the replacement condition or not according to the virtual terminal mapping library, when the IED to be replaced and the replaced IED meet the replacement condition, replacing station control layer information of the replaced IED with station control layer information of the IED to be replaced, replacing the virtual terminal of the replaced IED with a virtual terminal of the IED to be replaced, replacing communication physical port information of the replaced IED with communication physical port information of the IED to be replaced, and completing replacement of an ICD file of the replaced IED into an ICD file of the IED to be replaced;
3) and generating a new SCD file after replacement, and downloading a CID file and a CCD file which are exported by using the SCD file into the replaced IED.
2. The intelligent substation IED interchange method according to claim 1, wherein the interchange condition is: the IED to be replaced and the replaced IED have the same device type and the same application type in the virtual terminal mapping library.
3. The intelligent substation IED interchange method according to claim 1, characterized in that when the IED to be replaced and the IED to be replaced replace each other in the ICD file, the station level information of the IED to be replaced and the station level information of the IED to be replaced are replaced according to the mapping relationship between the virtual terminal and the physical port.
4. The intelligent substation IED interchange method according to claim 1, further comprising the step of replacing a virtual terminal of a corresponding device receiving the replaced IED information with a virtual terminal of the corresponding device receiving the IED information to be replaced.
5. The intelligent substation IED interchange method according to claim 1, characterized in that the project configuration files of the to-be-replaced IED and the replaced IED are compared, and the comparison result is graphically displayed.
6. An intelligent substation IED interchange device, characterized in that includes:
a mapping library establishing unit: the virtual terminal mapping method comprises the steps of using defined standard virtual terminals to find out virtual terminals of the same type IED of different manufacturers, establishing a mapping relation of the virtual terminals between the IEDs of the different manufacturers and the same type, and forming a virtual terminal mapping library;
IED interchange unit: the system comprises a virtual terminal mapping base, a replacing module and a storage module, wherein the virtual terminal mapping base is used for judging whether an IED to be replaced and a replaced IED meet a replacing condition or not according to the virtual terminal mapping base, when the IED to be replaced and the replaced IED meet the replacing condition, station control layer information of the replaced IED is replaced by station control layer information of the IED to be replaced, a virtual terminal of the replaced IED is replaced by a virtual terminal of the IED to be replaced, communication physical port information of the replaced IED is replaced by communication physical port information of the IED to be replaced, and an ICD file of the replaced IED is replaced by an ICD file of;
installing a unit: and generating a new SCD file after replacement, and downloading a CID file and a CCD file which are derived by using the SCD file into the replaced IED.
7. The intelligent substation IED interchange device according to claim 6, wherein the interchange condition is: the IED to be replaced and the replaced IED have the same device type and the same application type in the virtual terminal mapping library.
8. The intelligent substation IED interchange device according to claim 6, characterized in that, include the unit that is used for when the IED that will be replaced and the IED that is replaced are in the replacement ICD file, according to the mapping relation of virtual terminal and physical port, carry out the replacement with the station level information of the IED that will be replaced and the station level information of the IED that is replaced.
9. The intelligent substation IED interchange device according to claim 6, further comprising means for replacing a virtual terminal of a corresponding device receiving the replaced IED information with a virtual terminal of the corresponding device receiving the IED information to be replaced.
10. The intelligent substation IED interchange device according to claim 6, further comprising means for comparing the engineering configuration files of the IED to be replaced with the engineering configuration files of the IED to be replaced, and graphically displaying the comparison result.
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| CN109034616B (en) * | 2018-07-25 | 2021-11-02 | 贵州电网有限责任公司 | Statistical analysis system based on intelligent substation configuration data management and control |
| CN109474072B (en) * | 2018-11-20 | 2022-06-14 | 国电南瑞科技股份有限公司 | Intelligent substation cluster measurement and control device and communication model generation method thereof |
| CN109933450A (en) * | 2019-01-22 | 2019-06-25 | 许昌许继软件技术有限公司 | A kind of method of calibration and device of intelligent substation secondary void loop configuration file |
| CN112510826B (en) * | 2020-11-18 | 2023-02-03 | 中国南方电网有限责任公司 | Method for determining configuration change boundary of modification and extension intelligent recorder |
| CN113780598B (en) * | 2021-09-17 | 2023-11-14 | 国网安徽省电力有限公司 | Intelligent substation virtual terminal checking method |
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