CN106022962B - Improved method for analyzing configuration file of merging unit by using extended 61850 model - Google Patents
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Abstract
The invention discloses an improved method for analyzing and merging unit configuration files by using extended 61850 format model files, which comprises the following steps: establishing an IEC61850 format process layer model file; extending the IEC61850 format process layer model file, and setting configuration information of a merging unit; and analyzing and generating a merging unit configuration file according to the IEC61850 format process layer model file. The method can enable the IEC61850 model file analysis tool to automatically complete mapping association with the input/output entity contact, realize virtual terminal selective materialized mapping, avoid manual configuration, avoid secondary configuration, greatly reduce the burden of operation and maintenance personnel, obviously enhance the reliability of field device operation, and have good application value. By improving the model file analysis method, all the configuration information of the merging unit can be directly configured according to the model file.
Description
Technical Field
The invention relates to an improvement method for analyzing a merging unit configuration file by using an extended 61850 model, and belongs to the technical field of power systems.
Background
With the development of smart grids, the IEC61850 regulation is widely introduced in electric power secondary protection equipment. Compared with the traditional transformer substation, the intelligent substation mainly connects the primary equipment and the secondary equipment together through the process layer equipment. The merging unit is used as a process layer device and mainly transmits adopted data to a protection device through SV 9-2 messages by local adoption, and the communication format of the merging unit is completely described according to the IEC61850 format. Because the intelligent station has numerous devices and different devices of various manufacturers, the configuration of the whole station device in the industry is analyzed and configured in a model file mode at present, and the mode is simple, convenient and error-free. However, the merging unit has the characteristic of different local sampling configurations in different application occasions, and the mutual inductor also protects current, voltage and measured voltage, so that the configuration file of the merging unit cannot be directly analyzed and configured from the IEC61850 model file.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, provides an improved method for analyzing the configuration file of the merging unit by using the extended 61850 model, and solves the technical problem that the configuration file of the merging unit in actual engineering cannot be directly analyzed, configured and exported according to the IEC61850 model file.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows: an improved method for analyzing a configuration file of a merging unit by an extended 61850 model comprises the following steps:
the method comprises the following steps: establishing an alternating current sampling template, namely: establishing an IEC61850 format process layer model file;
step two: extending the IEC61850 format process layer model file, and setting configuration information of a merging unit;
step three: and analyzing and generating a merging unit configuration file according to the IEC61850 format process layer model file.
The specific method of the first step comprises the following steps: the information of the 3 types of AD sampling channels of the voltage merging unit, the interval merging unit and the current merging unit is stored under a motherboard of a VSCL61850 configuration tool as a motherboard file, and a related process layer model file is established according to an IEC61850 format.
The extension in the second step comprises: the method comprises the steps of mapping information expansion, parallel and switching logic configuration expansion, interval merging unit voltage switching information expansion and sending channel mapping information expansion of a local AD sampling channel.
The specific method for expanding the mapping information of the local AD sampling channel comprises the following steps: an AD sampling channel short address is added in an ICD model file in an IEC61850 model, the short address setting follows the INPUTNO number of the AD sampling channel, a providing means is provided for configuring the short address of the AD sampling channel during the configuration of the ICD model file, and a correct mapping relation is established between an SV 9-2 channel sending the IEC61850 and the AD sampling channel during the analysis and the derivation.
The specific method for the parallel and switching logic configuration extension is as follows: and setting a fixed PT parallel configuration template, setting short addresses and function matching information in an ICD model file of the voltage merging unit, and automatically mapping channels to the voltage transformer parallel configuration template to realize automatic configuration export.
The short address adopts an sAddr field defined by standard modeling specification, and the internal configuration setting format is as follows: "function code channel 1, channel 2; the bus to which the bus belongs.
The specific method for expanding the voltage switching information of the interval merging unit comprises the following steps: and adding short addresses in a voltage output channel of the ICD model file, wherein the short address information is leaf nodes of a voltage receiving sampling virtual terminal, and thus, the mapping relation of internal input and output is established in the model.
The method for expanding the mapping information of the sending channel comprises the following steps: and finding the INPUTNO of the corresponding associated AD sampling channel according to the Leaf node of the sending data set as the INPUTNO value of the FCDA in the Dataset under the PUB _ SMV.
Compared with the prior art, the invention has the following beneficial effects: the mapping technology of the multi-interval data set virtual and virtual terminals based on the substation system configuration file (ICD) is characterized in that according to the IEC61850 standard, the ICD model file of the merging unit is analyzed through an XML text, and the expansion of the conventional function of the merging unit in the model file is completed through the extended description of the model file, so that the IEC61850 model file analyzing tool can automatically complete the mapping association with the input and output entity contact, the selective materialized mapping of the virtual terminals is realized, the manual configuration is avoided, the secondary configuration is not needed, the burden of operation and maintenance personnel is greatly reduced, the operation reliability of a field device is obviously enhanced, and the application value is good. By improving the model file analysis method, all the configuration information of the merging unit can be directly configured according to the model file.
Drawings
FIG. 1 is a flow chart of the method of the present invention.
FIG. 2 is a diagram of a method for adding an AD sampling channel short address in an ICD model file.
FIG. 3 is a diagram of a method for adding parallel function short addresses in an ICD model file.
Fig. 4 is a diagram illustrating a method for adding a short address of a switching function in an ICD model file.
Fig. 5 is a configuration file of the southwestern national Electricity self-device, which is generated by exporting the method of the invention.
Detailed Description
The invention is further described below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
As shown in fig. 1, the improved method for parsing the configuration file of the merging unit by using the extended 61850 model includes the following steps:
the method comprises the following steps: establishing an alternating current sampling template, namely: establishing an IEC61850 format process layer model file;
the types of local sampling used in actual engineering can be divided into three categories:
VolMU: a voltage merging unit;
IntervalMU: an interval merging unit;
CurrentMU: and a current merging unit.
ADType is one of the 3 types described above.
The information of the 3 types of AD sampling channels is stored as a motherboard file under a motherboard of a VSCL61850 configuration tool, and a related model file ICD (IED Capability Description, English full name: IED Capability Description, hereinafter, abbreviated as ICD model file) is established according to a 61850 format.
Step two: extending the 61850 format process layer model file, and setting configuration information of a merging unit;
the configuration information of the merging unit includes not only a general 61850 description file but also a common logic function of the device, so that the model file needs to be correspondingly extended, including: the method comprises the steps of mapping information expansion, parallel and switching logic configuration expansion, interval merging unit voltage switching information expansion and sending channel mapping information expansion of a local AD sampling channel. The specific method comprises the following steps:
1) and (3) expanding mapping information of a local AD sampling channel:
an AD sampling channel short address is added in an ICD model file, an INPUTNO number following an AD channel is set in the short address (the INPUTNO is a part of an SCL file and is a leaf node name), means are provided for configuring the short address of the AD sampling channel during ICD model file configuration, a correct mapping relation can be established between a transmitted 9-2 channel and the AD channel during analysis and export, and the 9-2 channel is a message type specified by the IEC 618509-2 part. The method for adding the AD sampling channel short address in the ICD model file is shown in fig. 2. Such as: saddr ═ AD:19 "indicates: the first set of internal mapping channels to protect phase a current is 19. During resolving, the channel with INPUTNO of 19 is mapped to the first group of protection current A channels of 9-2 channels for transmission. saddr is part of the SCL file, a leaf node name.
2) Parallel and switch logic configuration extensions:
the configuration tool can be provided with fixed voltage transformers (PT) which are arranged in parallel with the configuration template. And setting short addresses and function matching information in an ICD model file of the voltage merging unit. The tool can be guided to automatically map the channels to the PT parallel configuration template, and automatic configuration export is realized. Fig. 3 is a diagram illustrating a method for adding parallel function short addresses to an ICD model file.
The short address adopts the sAddr field defined by the standard modeling specification, and the internal configuration setting format is as follows: "function code channel 1, channel 2; the bus to which the bus belongs. Such as: saddr ═ BL:1, 7; BUS: 1' indicates that the channel 1 and the channel 7 complete voltage paralleling and maps the paralleled electric utilities to the I BUS voltage.
3) Interval merging unit voltage switching information expansion:
the voltage of the interval merging unit is the voltage which receives the digital signal of the 9-2 channel and forwards the switched voltage after the switching function is completed. And adding short addresses in the voltage output channel of the ICD model file, wherein the short address information is leaf nodes of a voltage receiving sampling virtual terminal, and thus, the mapping relation of internal input and output is established in the model.
Fig. 4 is a diagram illustrating a method for adding a switching function short address to an interval merging unit ICD model file. And the voltage correspondingly received by the virtual terminals SVINGGIO1.SvIn10 and SVINGGIO1.SvIn22 is mapped to a voltage output channel after the switching function is finished.
4) And (3) transmitting channel mapping information expansion:
specifically, according to Leaf nodes of the sent data set, INPUTNO of the corresponding associated AD sampling channel is found as the INPUTNO value of the FCDA in the Dataset under the PUB _ SMV. The FCDA is a name of a leaf node specified by an SCL file, the SCL is fully called a substation configuration description language, and is an XML extension language which is specified by IEC 61850-6 standard and is used for describing communication configuration among IEDs in the intelligent substation. PUB _ SMV is a part of SCL file, a kind of leaf node name, often representing an output module.
Step three: analyzing and generating a merging unit configuration file according to the IEC61850 format process layer model file;
and storing the IED file of the merging unit described by the extension, and exporting the configuration file of the generating device by one key through a general model file analysis tool, wherein the configuration file comprises the conventional functions of the merging unit, such as cascade connection, voltage switching, PT parallel connection and the like. As shown in fig. 5, a state electric south self-device configuration file generated by exporting according to the above method is given.
The invention relates to a multi-interval data set virtual and virtual terminal mapping technology based on a substation system configuration file (ICD). According to the IEC61850 standard, the ICD model file of the merging unit is analyzed through the XML text, the expansion of the conventional functions of the merging unit in the model file is completed through the extended description of the model file, so that the 61850 model file analyzing tool can automatically complete the mapping association with the input and output entity contacts, and the virtual terminal selective materialized mapping is realized. The mode avoids manual configuration, does not need secondary configuration, can obviously enhance the running reliability of the field device, has good application value, and can greatly reduce the burden of operation and maintenance personnel on the field.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (2)
1. The method for analyzing the configuration file of the merging unit by the extended 61850 model is characterized by comprising the following steps:
the method comprises the following steps: establishing an alternating current sampling template, namely: establishing an IEC61850 format process layer model file; the specific method comprises the following steps: storing the information of the 3 types of AD sampling channels of the voltage merging unit, the interval merging unit and the current merging unit as a motherboard file under a motherboard of a VSCL61850 configuration tool, and establishing a related process layer model file according to an IEC61850 format;
step two: extending the IEC61850 format process layer model file, and setting configuration information of a merging unit; the extension comprises the following steps: the method comprises the following steps of mapping information expansion, parallel and switching logic configuration expansion, interval merging unit voltage switching information expansion and sending channel mapping information expansion of a local AD sampling channel;
step three: analyzing and generating a merging unit configuration file according to the IEC61850 format process layer model file;
the specific method for expanding the mapping information of the local AD sampling channel comprises the following steps: adding an AD sampling channel short address in an ICD model file in an IEC61850 model, setting the short address to follow an INPUTNO number of the AD sampling channel, configuring the short address of the AD sampling channel by a providing means during the configuration of the ICD model file, and establishing a correct mapping relation between a 9-2 channel for transmitting IEC61850 and the AD sampling channel during analysis and export;
the specific method for the parallel and switching logic configuration extension is as follows: setting a fixed PT parallel configuration template, setting short addresses and function matching information in an ICD model file of a voltage merging unit, and automatically mapping channels to the PT parallel configuration template to realize automatic configuration export;
the specific method for expanding the voltage switching information of the interval merging unit comprises the following steps: adding short addresses in a voltage output channel of an ICD model file, wherein short address information is leaf nodes of a voltage receiving sampling virtual terminal, and accordingly establishing a mapping relation of internal input and output in a model;
the method for expanding the mapping information of the sending channel comprises the following steps: and finding the INPUTNO of the corresponding associated AD sampling channel according to the Leaf node of the sending data set as the INPUTNO value of the FCDA in the Dataset under the PUB _ SMV.
2. The method for parsing merging unit configuration file according to claim 1, wherein the short address uses sAddr field defined by standard modeling specification, and the internal configuration setting format is: "function code channel 1, channel 2; the bus to which the bus belongs.
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| CN110602265B (en) * | 2019-09-02 | 2022-02-01 | 积成电子股份有限公司 | 61850 model short address configuration and resource mapping method suitable for IED equipment |
| CN114035838A (en) * | 2021-11-09 | 2022-02-11 | 许昌许继软件技术有限公司 | Device data configuration file generation method, data uploading method and device |
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| CN102801213A (en) * | 2012-08-10 | 2012-11-28 | 广东省电力调度中心 | Integrated method and integrated device of SCD (System Configuration Document) of transformer station |
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| CN105354220A (en) * | 2015-09-29 | 2016-02-24 | 国网福建省电力有限公司 | Application method for IED user customized configuration file of intelligent transformer substation |
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