CN113467852A - Configuration and verification method and system for cross-interval protection configuration file of intelligent substation - Google Patents
Configuration and verification method and system for cross-interval protection configuration file of intelligent substation Download PDFInfo
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Abstract
The invention discloses a method and a system for configuring and checking a cross-interval protection configuration file of an intelligent substation, wherein a reserved interval is configured on a secondary circuit according to the final scale in the infrastructure stage of the substation by standardizing a protection device model, establishing a standardized template and the like; in the reconstruction and extension stage, under the condition that the primary main wiring topology is not changed, the soft pressing plates at the reserved intervals are put into the inter-interval equipment, the configuration-free of the inter-interval protection device configuration files in the reconstruction and extension stage is achieved through maximum configuration according to the perspective in the initial stage of the intelligent substation infrastructure, unnecessary power failure caused by re-transmission testing of the operation intervals is avoided, and the operation and maintenance workload is effectively reduced.
Description
Technical Field
The invention relates to the technical field of intelligent substation automation, in particular to a method and a system for configuring and verifying a cross-interval protection configuration file of an intelligent substation.
Background
With the advance of intelligent substations, the SCD files are tightly coupled, and the change of the content of the SCD files has wide influence range on the reconstruction and expansion of the substations, high operation risk and high operation, maintenance and debugging cost, and becomes one of the difficulties in the popularization and application of the intelligent substations. The fact that the equipment which is put into operation in the reconstruction and extension stage is particularly directed at how to avoid configuration in the cross-interval protection is the key of the method.
The SCD file contains information models and communication relations of various devices, relates to different services of transformer substation measurement, control, protection, online monitoring, measurement and the like, and relates to interaction information among different devices. When some equipment configuration information is adjusted or changed, functions of relevant equipment can be influenced when the equipment configuration information is modified improperly or modified wrongly, the influence range of the modified SCD file is difficult to define, and the workload of verifying the configuration correctness is large. Due to the lack of effective verification means, operation and maintenance personnel worry about the possibility of global influence caused by any small change, transmission is needed when any configuration file is updated, the accuracy of functions is debugged and confirmed by enlarging the power failure range, and the operation and maintenance are carried out on site, so that the SCD file is complicated, and the SCD file is dare to be modified and is dare to be used.
Some intervals are not fully configured at the initial stage of the infrastructure of the transformer substation, long-term reserved intervals exist, and transformation or extension is carried out at the later stage. During the modification and extension phase, the SCD file needs to supplement related information such as virtual circuits, communication parameters and the like between the operated device and the new device, at this time, the configuration file of the operated device is changed, and operation and maintenance personnel often worry about that the modification of the configuration file affects the correctness of the previous information such as the virtual circuits, the communication parameters and the like, and often verify the correctness of all the virtual circuits by expanding the power failure range.
Therefore, the problem of how to improve the reliability of the operating inter-interval protection device configuration file in the reconstruction and extension process is urgently needed to be solved, so that the power failure range is reduced, and the reliable operation of the intelligent substation is guaranteed.
Disclosure of Invention
The invention provides a method and a system for configuring and checking a cross-bay protection configuration file of an intelligent substation, and aims to solve the problem of how to avoid configuring the operating cross-bay protection device configuration file in the reconstruction and extension process.
In order to solve the above problem, according to an aspect of the present invention, there is provided a method for configuring and verifying a cross-bay protection configuration file of an intelligent substation, the method including:
generating a long-term equipment standard template for adding a long-term equipment model according to the enterprise standard;
acquiring an IED Capability Description (ICD) file and a System Specification Description (SSD) file of the current interval device of the intelligent substation, and generating a total station System Configuration Description (SCD) file according to the ICD file and the SSD file;
importing the standard template of the remote equipment on the basis of the SCD file, configuring the current equipment, the remote equipment and the cross-interval protection equipment, and performing connection configuration of a virtual circuit according to a topological relation in an SSD file to obtain the first SCD model file;
downloading and debugging a configuration file of a first cross-interval protection device from a first SCD model file of an intelligent substation, and quitting an interval receiving soft pressing plate of the current equipment not on the cross-interval protection device;
calculating a first CRC (cyclic redundancy check) code of a sending virtual terminal and a receiving virtual terminal of each subscription device at intervals based on the first cross-interval protection device configuration file;
when the intelligent substation is rebuilt, importing an ICD file of the interval equipment to be rebuilt to the first SCD model file to generate a second SCD model file;
deriving a second cross-interval protection device configuration file from the second SCD model file, and calculating a second CRC (cyclic redundancy check) code of a sending virtual terminal and a receiving virtual terminal of each subscription device at intervals based on the second cross-interval protection device configuration file;
comparing the first CRC check code and the second CRC check code corresponding to each subscription device to obtain a comparison result, and determining that the current configuration file of the cross-interval protection device is not updated when the comparison result indicates that the first CRC check code and the second CRC check code are compared and consistent;
and inputting an interval receiving software board of the interval equipment needing to be rebuilt and expanded in the cross-interval protection device, verifying the correctness of the interval virtual circuit needing to be rebuilt and expanded to obtain a verification result, and when the verification result indicates that the interval virtual circuit needing to be rebuilt and expanded passes the correctness verification, putting the transformer substation into operation.
Preferably, the generating a remote device standard template for adding a remote device model according to enterprise standards comprises:
for the cross-interval protection device, splitting and standardizing the received content according to the virtual terminal of the cross-interval protection device; the receiving content comprises communication parameter information of the subscription equipment and content of a virtual terminal data set issued by the subscription equipment; types of subscribing devices include: the intelligent integrated device comprises a line protection device, a transformer protection device, a circuit breaker protection device, an intelligent terminal, a merging unit and an intelligent integration device;
defining the content of a published virtual terminal data set in a standard template of a subscription device, storing the content in an IED element of the standard template, and including the names of the published virtual terminal data sets, control blocks, virtual terminal names, an arrangement sequence and a reference path under process level G1 and M1 access points;
filling lnType and sAddr parameters in the standard template with DEVICE TEMPLATE content to ensure the integrity of the format;
and uniformly naming the items with inconsistent output virtual terminal naming in the equipment enterprise standard so as to meet the redundant configuration in the standard template configuration process.
Preferably, the maximally configuring the inter-interval protection device comprises:
allocating unique IEDname of a remote equipment total station;
the process layer communication parameter configuration is carried out on the remote equipment, and the process layer communication parameter configuration comprises the following steps: APPID, MAC, VLAN-ID, VLAN-PRIORITY, MinTime and MaxTime;
and perfecting all process layer virtual loop connections of the cross-interval protection device according to the topological relation in the SSD file, including the interaction between the current-stage equipment and the remote-stage equipment and the cross-interval protection device.
Preferably, wherein the method further comprises:
and when the comparison result indicates that the first CRC check code and the second CRC check code of the subscription equipment are inconsistent in comparison, modifying the second SCD model file according to the comparison result until the comparison result is consistent.
According to another aspect of the invention, a configuration and verification system for a cross-bay protection configuration file of an intelligent substation is provided, the system comprising:
the long-term equipment standard template generating unit is used for generating a long-term equipment standard template used for adding a long-term equipment model according to the enterprise standard;
the SCD file acquisition unit is used for acquiring an IED capability description ICD file and a System Specification Description (SSD) file of the interval device of the intelligent substation in the current period, and generating a total station System Configuration Description (SCD) file according to the ICD file and the SSD file;
a first SCD model file obtaining unit, configured to import the long-term device standard template based on the SCD file, configure the current-term device, the long-term device, and the inter-interval protection device, and perform virtual circuit connection configuration according to a topology relationship in an SSD file to obtain the first SCD model file;
the first downloading and debugging unit is used for downloading and debugging a configuration file of a first cross-interval protection device from a first SCD model file of the intelligent substation and simultaneously quitting an interval receiving soft pressing plate of equipment which is not installed on the cross-interval protection device at the present time;
a first CRC check code obtaining unit, configured to calculate, at intervals, a first CRC check code of a sending virtual terminal and a receiving virtual terminal of each subscription device based on the first inter-interval protection device configuration file;
the second SCD model file obtaining unit is used for importing the ICD file of the interval equipment to be rebuilt and expanded to the first SCD model file to generate a second SCD model file when the intelligent substation is rebuilt and expanded;
a second CRC check code obtaining unit, configured to derive a second inter-interval protection device configuration file from the second SCD model file, and calculate, based on the second inter-interval protection device configuration file, a second CRC check code of the sending virtual terminal and the receiving virtual terminal of each subscription device at intervals;
the comparison unit is used for comparing the first CRC check code and the second CRC check code corresponding to each subscription device to obtain a comparison result, and when the comparison result indicates that the first CRC check code and the second CRC check code are both in accordance with each other, determining that the current configuration file of the cross-interval protection device is not updated;
and the verification unit is used for inputting an interval receiving software board of the interval equipment needing to be rebuilt and expanded in the cross-interval protection device, verifying the correctness of the interval virtual circuit needing to be rebuilt and expanded to obtain a verification result, and when the verification result indicates that the interval virtual circuit needing to be rebuilt and expanded passes the correctness verification, the transformer substation is put into operation.
Preferably, the generating unit of the standard template of the remote device generates a standard template of the remote device for adding a model of the remote device according to an enterprise standard, and includes:
for the cross-interval protection device, splitting and standardizing the received content according to the virtual terminal of the cross-interval protection device; the receiving content comprises communication parameter information of the subscription equipment and content of a virtual terminal data set issued by the subscription equipment; types of subscribing devices include: the intelligent integrated device comprises a line protection device, a transformer protection device, a circuit breaker protection device, an intelligent terminal, a merging unit and an intelligent integration device;
defining the content of a published virtual terminal data set in a standard template of a subscription device, storing the content in an IED element of the standard template, and including the names of the published virtual terminal data sets, control blocks, virtual terminal names, an arrangement sequence and a reference path under process level G1 and M1 access points;
filling lnType and sAddr parameters in the standard template with DEVICE TEMPLATE content to ensure the integrity of the format;
and uniformly naming the items with inconsistent fault names in the equipment enterprise standard so as to meet the redundant configuration in the standard template configuration process.
Preferably, the first SCD model file obtaining unit performs maximum configuration on the inter-interval protection device, including:
allocating unique IEDname of a remote equipment total station;
the process layer communication parameter configuration is carried out on the remote equipment, and the process layer communication parameter configuration comprises the following steps: APPID, MAC, VLAN-ID, VLAN-PRIORITY, MinTime and MaxTime;
and perfecting all process layer virtual loop connections of the cross-interval protection device according to the topological relation in the SSD file, including the interaction between the current-stage equipment and the remote-stage equipment and the cross-interval protection device.
Preferably, wherein the system further comprises:
and the model modifying unit is used for modifying the second SCD model file according to the comparison result when the comparison result indicates that the first CRC check code and the second CRC check code of the subscription equipment are inconsistent in comparison, and stopping until the comparison result is consistent.
The invention provides a method and a system for configuring and checking a cross-interval protection configuration file of an intelligent substation, wherein a reserved interval is configured on a secondary circuit according to the final scale in the infrastructure stage of the substation by standardizing a protection device model, establishing a standardized template and the like; in the reconstruction and extension stage, under the condition that the primary main wiring topology is not changed, the soft pressing plates at the reserved intervals are put into the inter-interval equipment, the configuration-free of the inter-interval protection device configuration files in the reconstruction and extension stage is achieved through maximum configuration according to the perspective in the initial stage of the intelligent substation infrastructure, unnecessary power failure caused by re-transmission testing of the operation intervals is avoided, and the operation and maintenance workload is effectively reduced.
Drawings
A more complete understanding of exemplary embodiments of the present invention may be had by reference to the following drawings in which:
fig. 1 is a flowchart of a method 100 for configuring and verifying a cross-bay protection configuration file of an intelligent substation according to an embodiment of the present invention;
FIG. 2 is a flowchart of a rebuild cross-compartment protection device check according to an embodiment of the invention;
fig. 3 is a block diagram of a total station primary system according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of the result of interval checking by the bus bar protection device according to the embodiment of the invention;
fig. 5 is a schematic structural diagram of a configuration and verification system 500 for a cross-bay protection configuration file of an intelligent substation according to an embodiment of the present invention.
Detailed Description
The exemplary embodiments of the present invention will now be described with reference to the accompanying drawings, however, the present invention may be embodied in many different forms and is not limited to the embodiments described herein, which are provided for complete and complete disclosure of the present invention and to fully convey the scope of the present invention to those skilled in the art. The terminology used in the exemplary embodiments illustrated in the accompanying drawings is not intended to be limiting of the invention. In the drawings, the same units/elements are denoted by the same reference numerals.
Unless otherwise defined, terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. Further, it will be understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the relevant art and will not be interpreted in an idealized or overly formal sense.
Fig. 1 is a flowchart of a method 100 for configuring and verifying a cross-bay protection configuration file of an intelligent substation according to an embodiment of the present invention. As shown in fig. 1, in the configuration and verification method for the inter-bay protection configuration file of the intelligent substation provided by the embodiment of the present invention, the reserved bay is configured on the secondary circuit according to the final scale in the infrastructure stage of the substation by standardizing the protection device model and establishing a standardized template; in the reconstruction and extension stage, under the condition that the primary main wiring topology is not changed, the soft pressing plates at the reserved intervals are put into the inter-interval equipment, the configuration-free of the inter-interval protection device configuration files in the reconstruction and extension stage is achieved through maximum configuration according to the perspective in the initial stage of the intelligent substation infrastructure, unnecessary power failure caused by re-transmission testing of the operation intervals is avoided, and the operation and maintenance workload is effectively reduced. The configuration and verification method 100 for the inter-bay protection configuration file of the intelligent substation provided by the embodiment of the invention starts from step 101, and generates a standard template of the remote equipment for adding the remote equipment model according to the enterprise standard in step 101.
Preferably, the generating a remote device standard template for adding a remote device model according to enterprise standards comprises:
for the cross-interval protection device, splitting and standardizing the received content according to the virtual terminal of the cross-interval protection device; the receiving content comprises communication parameter information of the subscription equipment and content of a virtual terminal data set issued by the subscription equipment; types of subscribing devices include: the intelligent integrated device comprises a line protection device, a transformer protection device, a circuit breaker protection device, an intelligent terminal, a merging unit and an intelligent integration device;
defining the content of a published virtual terminal data set in a standard template of a subscription device, storing the content in an IED element of the standard template, and including the names of the published virtual terminal data sets, control blocks, virtual terminal names, an arrangement sequence and a reference path under process level G1 and M1 access points;
filling lnType and sAddr parameters in the standard template with DEVICE TEMPLATE content to ensure the integrity of the format;
and uniformly naming the items with inconsistent output virtual terminal naming in the equipment enterprise standard so as to meet the redundant configuration in the standard template configuration process.
According to the configuration and verification method of the intelligent substation cross-interval protection configuration file, the configuration-free and interval-based verification method of the cross-interval protection device configuration file in the reconstruction and extension stage is achieved by the method of maximally configuring the cross-interval protection configuration file at the initial stage of the intelligent substation infrastructure according to the perspective, the power failure verification range of the cross-interval protection device after reconstruction and extension is reduced, the reliability of the configuration file is improved, and the stable implementation of the reconstruction and extension project is facilitated.
Referring to fig. 2, the method of the present invention first generates a remote device standard template for adding a remote device model according to device enterprise standards such as Q/GDW 1161 and Q/GDW 1175, where the standard template file format is icd, and the method mainly includes several elements such as Header, Communication, IED, and DataTypeTemplates. Specifically, the generation of the standard template mainly comprises the following steps:
a) for the cross-interval protection device, splitting and standardizing the received content of the virtual terminal of the cross-interval protection device, wherein the received content comprises communication parameter information of the subscription equipment and the content of a virtual terminal data set released by the subscription equipment. Wherein, the communication parameter information of the subscribing device is configured in step 103; the types of the subscription equipment comprise line protection, transformer protection, circuit breaker protection, an intelligent terminal, a merging unit, an intelligent integration device and the like;
b) defining the content of a published virtual terminal data set in a standard template of a subscription device, storing the content in an IED element of the standard template, and mainly comprising a process layer G1, a virtual terminal data set name published under an M1 access point, a control block name, a virtual terminal name, an arrangement sequence and a reference path;
c) other parameters similar to lnType, sAddr and the like in the standard template can be filled with DEVICE TEMPLATE and the like, so that the integrity of the format is ensured;
d) naming items with inconsistent names such as 'permanent jump', 'locking reclosing' and the like in the equipment enterprise standard by adopting a 'permanent jump/locking reclosing' naming mode so as to meet the redundant configuration in the standard template configuration process.
In step 102, an IED capability description ICD file and a system specification description SSD file of the current interval device of the intelligent substation are obtained, and a total station system configuration description SCD file is generated according to the ICD file and the SSD file.
In step 103, the standard template of the remote device is imported based on the SCD file, the current device, the remote device, and the inter-interval protection device are configured, and the connection configuration of the virtual circuit is performed according to the topology relationship in the SSD file to obtain the first SCD model file.
Preferably, the maximally configuring the inter-interval protection device comprises:
allocating unique IEDname of a remote equipment total station;
the process layer communication parameter configuration is carried out on the remote equipment, and the process layer communication parameter configuration comprises the following steps: APPID, MAC, VLAN-ID, VLAN-PRIORITY, MinTime and MaxTime;
and perfecting all process layer virtual loop connections of the cross-interval protection device according to the topological relation in the SSD file, including the interaction between the current-stage equipment and the remote-stage equipment and the cross-interval protection device.
In the invention, a system configuration tool is used for importing the SSD file of the intelligent substation and the ICD file of the current equipment, and the SCD file of the total station system configuration description is generated according to the ICD file and the SSD file. Then, the standard template of the remote equipment is imported on the basis of the SCD file, IEDname distribution and communication parameter configuration are carried out on the current equipment, the remote equipment and the cross-interval protection equipment, and virtual circuit connection configuration is carried out according to the topological relation in the SSD file.
The maximum configuration of the inter-interval protection device mainly comprises the following aspects:
a) allocating unique IEDname of a remote equipment total station;
b) the process layer communication parameter configuration of the remote equipment comprises APPID, MAC, VLAN-ID, VLAN-PRIORITY, MinTime, MaxTime and the like;
c) and perfecting all process layer virtual loop connections of the cross-interval protection device according to the topological relation in the SSD file, wherein the process layer virtual loop connections comprise the interaction between the current-stage equipment and the remote-stage equipment and the cross-interval protection device.
In step 104, downloading and debugging are performed from the first SCD model file of the intelligent substation to the configuration file of the first inter-bay protection device, and meanwhile, the inter-bay receiving soft pressing plate of the current equipment of the inter-bay protection device is quitted.
In step 105, a first CRC check code of the transmitting virtual terminal and the receiving virtual terminal of each subscribing device is calculated based on the first span protection device profile interval.
In step 106, when the intelligent substation is rebuilt, the ICD file of the bay equipment to be rebuilt is imported to the first SCD model file to generate the second SCD model file.
In step 107, a second cross-interval protection device configuration file is derived from the second SCD model file, and a second CRC check code of the sending virtual terminal and the receiving virtual terminal of each subscribing device is calculated based on the second cross-interval protection device configuration file interval.
In step 108, the first CRC check code and the second CRC check code corresponding to each subscription device are compared to obtain a comparison result, and when the comparison result indicates that the first CRC check code and the second CRC check code are both in a consistent comparison, it is determined that the current inter-interval protection device configuration file is not updated.
In step 109, the bay receiving software board of the bay equipment to be rebuilt and expanded in the bay crossing protection device is put into operation, the correctness of the bay virtual circuit to be rebuilt and expanded is verified to obtain a verification result, and when the verification result indicates that the bay virtual circuit to be rebuilt and expanded passes the correctness verification, the transformer substation is put into operation.
Preferably, wherein the method further comprises:
and when the comparison result indicates that the first CRC check code and the second CRC check code of the subscription equipment are inconsistent in comparison, modifying the second SCD model file according to the comparison result until the comparison result is consistent.
In the invention, after the first SCD model file is determined, a system configuration tool is used for exporting a first inter-interval protection device configuration file and downloading and debugging are carried out to verify the correctness of the virtual circuit and quit the inter-interval protection device to receive the soft pressing plate at intervals. Then, splitting the content of the first span interval protection device configuration file according to the receiving virtual terminal and the sending virtual terminal, and generating a first CRC (cyclic redundancy check) code of the receiving virtual terminal and the sending virtual terminal of each subscription device. And then, when the intelligent substation is rebuilt, importing a rebuilt equipment ICD file to replace a corresponding standard template, updating the model, but not modifying the existing configuration parameters such as IEDname, communication parameters and virtual terminal connection, and generating a second SCD model file of a new version. Then, a second cross-interval protection device configuration file is exported by using a system configuration tool, and a second CRC (cyclic redundancy check) code of a receiving virtual terminal and a sending virtual terminal of the second cross-interval protection device configuration file is generated. And then, comparing the first CRC code generated by the new version of the cross-interval protection device configuration file with the first CRC code of the previous version, and after the comparison is consistent, directly inputting the cross-interval protection device configuration file into a reconstruction and expansion equipment interval receiving software board of the cross-interval protection device without updating, debugging and expanding the reconstruction and expansion interval virtual circuit, and not debugging the original equipment virtual circuit. And if not, modifying the second SCD model file of the new version according to the comparison result until the comparison result is consistent.
The method for calculating the CRC check codes of the receiving virtual terminal and the sending virtual terminal of each subscription device comprises the following steps:
a) extracting GOOSEPUB elements, sub-elements of each level and other related contents in a configuration file of the cross-interval protection device, and calculating a CRC (cyclic redundancy check) code of a sending virtual terminal;
b) extracting GOCBref and SMVCBref elements, sub-elements of various levels and the like corresponding to various subscription devices in GOOSESUB and SVSUB elements in a cross-interval protection device configuration file, dividing the elements according to different IEDname, and calculating CRC check codes of receiving virtual terminals corresponding to each subscription device;
c) converting the sequence of the CRC check code used for calculation into a UTF-8 sequence, calculating a four-byte CRC-32 check code, wherein the calculated four-byte CRC-32 check code is less than four bytes, and 0x0 is supplemented by high bytes;
d) the CRC parameters are as follows:
CRC bit number Width: 32, a first step of removing the first layer;
the generation term Poly: 04C11DB 7;
initialization value Init: FFFFFF;
whether the data to be tested is inverted RefIn: true;
whether the calculated value is reversed RefOut: true;
output data exclusive or term xortout: FFFFFF;
check result Check of string "123456789 abcdef": A2B4FD 62.
A primary system diagram of a certain 220kV substation is shown in fig. 3, a 200kV bus connection mode is double-bus double-section, lines 1, 2, 4 and 5 are present-period intervals, and lines 3 and 6 in a virtual frame are long-period planning intervals.
Taking the inter-bay protection 220kV bus protection A as an example, the inter-bay protection configuration and verification scheme of the transformer substation is designed as follows:
(1) generating a standard template of the device according to the standard technical specification of the enterprise related to the device, wherein the standard template is not influenced by function matching, and the output GOOSE related content of the 220kV line protection standard template is shown in the following table 1;
table 1220 kV line protection standard template output GOOSE information table
(2) Manufacturing an SCD file in a capital construction stage, and adding an IED equipment model file related to the interval device in the current stage;
(3) adding a standard template of IED equipment related to a line 3 remote interval and distributing corresponding IEDname, wherein the standard model file comprises a standard model file of a line protection and interval acquisition execution unit;
(4) according to the topological relation in the SSD file, carrying out virtual loop connection relation, IP, APPID, MAC and other related communication information configuration on the SCD model file, and perfecting that all virtual terminal connections of the cross-interval protection device comprise long-term equipment;
(5) generating an SCD model file;
(6) exporting a configuration file of the cross-interval protection device through a system configuration tool, generating a CRC (cyclic redundancy check) code of the cross-interval protection device configuration file sending virtual terminal and the subscribing equipment receiving virtual terminal;
(7) verifying the correctness of the virtual circuit of the existing equipment by the cross-interval protection device, and exiting the interval receiving soft pressing plate of the equipment which is not installed at the current period;
(8) when the intelligent substation is rebuilt, importing a rebuilt interval device ICD file, updating the model, and generating a new version SCD model file without modifying the IEDname, communication parameters, virtual terminal connection and other existing configuration parameters;
(9) exporting a cross-interval protection device configuration file through an SCD model configuration tool, and generating CRC (cyclic redundancy check) codes for transmitting virtual terminals and receiving virtual terminals at intervals according to interval calculation for the cross-interval protection device configuration file;
(10) and comparing the CRC check code generated by the new version of the cross-interval protection device configuration file with the previous version, wherein the cross-interval protection device configuration file does not need to be updated after the comparison is consistent. The bus protection device is shown in fig. 4 according to the comparison result of interval verification.
(11) After the comparison is consistent, the trans-interval equipment model is not changed, and a new interval receiving software board is put into; only the new upper interval correlation loop needs to be verified, and the original loop does not need to be verified.
The technical scheme provided by the invention has the beneficial effects that:
(1) and the reliability of the configuration file is improved. The intelligent substation reconstruction and extension work generally comprises the steps of SCD file modification, independent debugging of reconstruction and extension intervals, access of the reconstruction and extension intervals to an operation system, verification and the like. The change of the secondary loop information in the SCD file has the greatest influence on the reconstruction and expansion work of the intelligent substation. The secondary loop information in the SCD file can be decomposed into a CCD file (process layer configuration file) by adopting the function decoupling of the configuration file, so the standardization and the correctness of the CCD file also become the key points of reconstruction and extension work. The invention can reduce the change of the CCD file and improve the reliability of the configuration file.
(2) And improving the reconstruction, extension and debugging efficiency. The operation interval of the configuration file after reconstruction and extension is not changed, so that only relevant tests are needed to be carried out on the extension or reconstruction interval without verifying other operation intervals, the risk of error modification is avoided for the part of the non-reconstruction and extension interval, and the re-verification of a loop which is not involved in reconstruction and extension work in the device is also not needed. Thereby reducing the workload of debugging and acceptance and the power failure time.
Fig. 5 is a schematic structural diagram of a configuration and verification system 500 for a cross-bay protection configuration file of an intelligent substation according to an embodiment of the present invention. As shown in fig. 5, a configuration and verification system 500 for an intelligent substation cross-bay protection configuration file according to an embodiment of the present invention includes: a forward device standard template generating unit 501, an SCD file obtaining unit 502, a first SCD model file obtaining unit 503, a first download debugging unit 504, a first CRC check code obtaining unit 505, a second SCD model file obtaining unit 506, a second CRC check code obtaining unit 507, a comparing unit 508, and a verifying unit 509.
Preferably, the forward device standard template generating unit 501 is configured to generate a forward device standard template for adding a forward device model according to an enterprise standard.
Preferably, the generating unit 501, for generating a remote device standard template for adding a remote device model according to an enterprise standard, includes:
for the cross-interval protection device, splitting and standardizing the received content according to the virtual terminal of the cross-interval protection device; the receiving content comprises communication parameter information of the subscription equipment and content of a virtual terminal data set issued by the subscription equipment; types of subscribing devices include: the intelligent integrated device comprises a line protection device, a transformer protection device, a circuit breaker protection device, an intelligent terminal, a merging unit and an intelligent integration device;
defining the content of a published virtual terminal data set in a standard template of a subscription device, storing the content in an IED element of the standard template, and including the names of the published virtual terminal data sets, control blocks, virtual terminal names, an arrangement sequence and a reference path under process level G1 and M1 access points;
filling lnType and sAddr parameters in the standard template with DEVICE TEMPLATE content to ensure the integrity of the format;
and uniformly naming the items with inconsistent output virtual terminal naming in the equipment enterprise standard so as to meet the redundant configuration in the standard template configuration process.
Preferably, the SCD file obtaining unit 502 is configured to obtain an IED capability description ICD file and a system specification description SSD file of the current interval device of the intelligent substation, and generate a total station system configuration description SCD file according to the ICD file and SSD file.
Preferably, the first SCD model file obtaining unit 503 is configured to import the standard template of the remote device based on the SCD file, configure the local device, the remote device, and the inter-interval protection device, and perform connection configuration of the virtual circuit according to a topological relation in the SSD file to obtain the first SCD model file.
Preferably, the first SCD model file obtaining unit 503 performs maximum configuration on the inter-interval protection device, including:
allocating unique IEDname of a remote equipment total station;
the process layer communication parameter configuration is carried out on the remote equipment, and the process layer communication parameter configuration comprises the following steps: APPID, MAC, VLAN-ID, VLAN-PRIORITY, MinTime and MaxTime;
and perfecting all process layer virtual loop connections of the cross-interval protection device according to the topological relation in the SSD file, including the interaction between the current-stage equipment and the remote-stage equipment and the cross-interval protection device.
Preferably, the first downloading and debugging unit 504 is configured to download and debug the first configuration file of the inter-bay protection device from the first SCD model file of the intelligent substation, and exit the inter-bay receiving soft pressing plate of the inter-bay protection device that is not installed at the current time.
Preferably, the first CRC check code obtaining unit 505 is configured to calculate, based on the first span guard configuration file interval, a first CRC check code of the sending virtual terminal and the receiving virtual terminal of each subscribing device.
Preferably, the second SCD model file obtaining unit 506 is configured to, when the intelligent substation is rebuilt, import an ICD file of an interval device to be rebuilt to the first SCD model file to generate the second SCD model file.
Preferably, the second CRC check code obtaining unit 507 is configured to derive a second cross-interval protection device configuration file from the second SCD model file, and calculate a second CRC check code of the sending virtual terminal and the receiving virtual terminal of each subscribing device at intervals based on the second cross-interval protection device configuration file.
Preferably, the comparing unit 508 is configured to compare the first CRC check code and the second CRC check code corresponding to each subscription device, obtain a comparison result, and determine that the current configuration file of the inter-bay protection device is not updated when the comparison result indicates that the first CRC check code and the second CRC check code are both in a consistent comparison.
Preferably, the verification unit 509 is configured to put in an interval receiving software board of an interval device to be rebuilt and expanded in the inter-interval protection device, verify the correctness of an interval virtual circuit to be rebuilt and expanded to obtain a verification result, and when the verification result indicates that the interval virtual circuit to be rebuilt and expanded passes the correctness verification, the substation is put into operation.
Preferably, wherein the system further comprises:
and the model modifying unit is used for modifying the second SCD model file according to the comparison result when the comparison result indicates that the first CRC check code and the second CRC check code of the subscription equipment are inconsistent in comparison, and stopping until the comparison result is consistent.
The configuration and verification system 500 for the inter-interval protection configuration file of the substation of the embodiment of the present invention corresponds to the configuration and verification method 100 for the inter-interval protection configuration file of the substation of another embodiment of the present invention, and details thereof are not repeated herein.
The invention has been described with reference to a few embodiments. However, other embodiments of the invention than the one disclosed above are equally possible within the scope of the invention, as would be apparent to a person skilled in the art from the appended patent claims.
Generally, all terms used in the claims are to be interpreted according to their ordinary meaning in the technical field, unless explicitly defined otherwise herein. All references to "a/an/the [ device, component, etc ]" are to be interpreted openly as referring to at least one instance of said device, component, etc., unless explicitly stated otherwise. The steps of any method disclosed herein do not have to be performed in the exact order disclosed, unless explicitly stated.
As will be appreciated by one skilled in the art, embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the above embodiments, those of ordinary skill in the art should understand that: modifications and equivalents may be made to the embodiments of the invention without departing from the spirit and scope of the invention, which is to be covered by the claims.
Claims (8)
1. A configuration and verification method for an intelligent substation cross-bay protection configuration file is characterized by comprising the following steps:
generating a long-term equipment standard template for adding a long-term equipment model according to the enterprise standard;
acquiring an IED Capability Description (ICD) file and a System Specification Description (SSD) file of the current interval device of the intelligent substation, and generating a total station System Configuration Description (SCD) file according to the ICD file and the SSD file;
importing the standard template of the remote equipment on the basis of the SCD file, configuring the current equipment, the remote equipment and the cross-interval protection equipment, and performing connection configuration of a virtual circuit according to a topological relation in an SSD file to obtain the first SCD model file;
downloading and debugging a configuration file of a first cross-interval protection device from a first SCD model file of an intelligent substation, and quitting an interval receiving soft pressing plate of the current equipment not on the cross-interval protection device;
calculating a first CRC (cyclic redundancy check) code of a sending virtual terminal and a receiving virtual terminal of each subscription device at intervals based on the first cross-interval protection device configuration file;
when the intelligent substation is rebuilt, importing an ICD file of the interval equipment to be rebuilt to the first SCD model file to generate a second SCD model file;
deriving a second cross-interval protection device configuration file from the second SCD model file, and calculating a second CRC (cyclic redundancy check) code of a sending virtual terminal and a receiving virtual terminal of each subscription device at intervals based on the second cross-interval protection device configuration file;
comparing the first CRC check code and the second CRC check code corresponding to each subscription device to obtain a comparison result, and determining that the current configuration file of the cross-interval protection device is not updated when the comparison result indicates that the first CRC check code and the second CRC check code are compared and consistent;
and inputting an interval receiving software board of the interval equipment needing to be rebuilt and expanded in the cross-interval protection device, verifying the correctness of the interval virtual circuit needing to be rebuilt and expanded to obtain a verification result, and when the verification result indicates that the interval virtual circuit needing to be rebuilt and expanded passes the correctness verification, putting the transformer substation into operation.
2. The method of claim 1, wherein generating a future equipment standard template for adding a future equipment model according to enterprise standards comprises:
for the cross-interval protection device, splitting and standardizing the received content according to the virtual terminal of the cross-interval protection device; the receiving content comprises communication parameter information of the subscription equipment and content of a virtual terminal data set issued by the subscription equipment; types of subscribing devices include: the intelligent integrated device comprises a line protection device, a transformer protection device, a circuit breaker protection device, an intelligent terminal, a merging unit and an intelligent integration device;
defining the content of a published virtual terminal data set in a standard template of a subscription device, storing the content in an IED element of the standard template, and including the names of the published virtual terminal data sets, control blocks, virtual terminal names, an arrangement sequence and a reference path under process level G1 and M1 access points;
filling lnType and sAddr parameters in the standard template with DEVICE TEMPLATE content to ensure the integrity of the format;
and uniformly naming the items with inconsistent output virtual terminal naming in the equipment enterprise standard so as to meet the redundant configuration in the standard template configuration process.
3. The method of claim 1, wherein the maximally configuring the cross-bay protection device comprises:
allocating unique IEDname of a remote equipment total station;
the process layer communication parameter configuration is carried out on the remote equipment, and the process layer communication parameter configuration comprises the following steps: APPID, MAC, VLAN-ID, VLAN-PRIORITY, MinTime and MaxTime;
and perfecting all process layer virtual loop connections of the cross-interval protection device according to the topological relation in the SSD file, including the interaction between the current-stage equipment and the remote-stage equipment and the cross-interval protection device.
4. The method of claim 1, further comprising:
and when the comparison result indicates that the first CRC check code and the second CRC check code of the subscription equipment are inconsistent in comparison, modifying the second SCD model file according to the comparison result until the comparison result is consistent.
5. A configuration and verification system for an intelligent substation cross-bay protection configuration file is characterized by comprising:
the long-term equipment standard template generating unit is used for generating a long-term equipment standard template used for adding a long-term equipment model according to the enterprise standard;
the SCD file acquisition unit is used for acquiring an IED capability description ICD file and a System Specification Description (SSD) file of the interval device of the intelligent substation in the current period, and generating a total station System Configuration Description (SCD) file according to the ICD file and the SSD file;
a first SCD model file obtaining unit, configured to import the long-term device standard template based on the SCD file, configure the current-term device, the long-term device, and the inter-interval protection device, and perform virtual circuit connection configuration according to a topology relationship in an SSD file to obtain the first SCD model file;
the first downloading and debugging unit is used for downloading and debugging a configuration file of a first cross-interval protection device from a first SCD model file of the intelligent substation and simultaneously quitting an interval receiving soft pressing plate of equipment which is not installed on the cross-interval protection device at the present time;
a first CRC check code obtaining unit, configured to calculate, at intervals, a first CRC check code of a sending virtual terminal and a receiving virtual terminal of each subscription device based on the first inter-interval protection device configuration file;
the second SCD model file obtaining unit is used for importing the ICD file of the interval equipment to be rebuilt and expanded to the first SCD model file to generate a second SCD model file when the intelligent substation is rebuilt and expanded;
a second CRC check code obtaining unit, configured to derive a second inter-interval protection device configuration file from the second SCD model file, and calculate, based on the second inter-interval protection device configuration file, a second CRC check code of the sending virtual terminal and the receiving virtual terminal of each subscription device at intervals;
the comparison unit is used for comparing the first CRC check code and the second CRC check code corresponding to each subscription device to obtain a comparison result, and when the comparison result indicates that the first CRC check code and the second CRC check code are both in accordance with each other, determining that the current configuration file of the cross-interval protection device is not updated;
and the verification unit is used for inputting an interval receiving software board of the interval equipment needing to be rebuilt and expanded in the cross-interval protection device, verifying the correctness of the interval virtual circuit needing to be rebuilt and expanded to obtain a verification result, and when the verification result indicates that the interval virtual circuit needing to be rebuilt and expanded passes the correctness verification, the transformer substation is put into operation.
6. The system of claim 5, wherein the future device standard template generating unit generates a future device standard template for adding a future device model according to enterprise standards, comprising:
for the cross-interval protection device, splitting and standardizing the received content according to the virtual terminal of the cross-interval protection device; the receiving content comprises communication parameter information of the subscription equipment and content of a virtual terminal data set issued by the subscription equipment; types of subscribing devices include: the intelligent integrated device comprises a line protection device, a transformer protection device, a circuit breaker protection device, an intelligent terminal, a merging unit and an intelligent integration device;
defining the content of a published virtual terminal data set in a standard template of a subscription device, storing the content in an IED element of the standard template, and including the names of the published virtual terminal data sets, control blocks, virtual terminal names, an arrangement sequence and a reference path under process level G1 and M1 access points;
filling lnType and sAddr parameters in the standard template with DEVICE TEMPLATE content to ensure the integrity of the format;
and uniformly naming the items with inconsistent output virtual terminal naming in the equipment enterprise standard so as to meet the redundant configuration in the standard template configuration process.
7. The system according to claim 5, wherein the first SCD model file obtaining unit performs maximum configuration on the inter-interval protection device, and includes:
allocating unique IEDname of a remote equipment total station;
the process layer communication parameter configuration is carried out on the remote equipment, and the process layer communication parameter configuration comprises the following steps: APPID, MAC, VLAN-ID, VLAN-PRIORITY, MinTime and MaxTime;
and perfecting all process layer virtual loop connections of the cross-interval protection device according to the topological relation in the SSD file, including the interaction between the current-stage equipment and the remote-stage equipment and the cross-interval protection device.
8. The system of claim 5, further comprising:
and the model modifying unit is used for modifying the second SCD model file according to the comparison result when the comparison result indicates that the first CRC check code and the second CRC check code of the subscription equipment are inconsistent in comparison, and stopping until the comparison result is consistent.
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