CN114039896A - Automatic network performance testing method for intelligent substation relay protection equipment - Google Patents
Automatic network performance testing method for intelligent substation relay protection equipment Download PDFInfo
- Publication number
- CN114039896A CN114039896A CN202111193659.XA CN202111193659A CN114039896A CN 114039896 A CN114039896 A CN 114039896A CN 202111193659 A CN202111193659 A CN 202111193659A CN 114039896 A CN114039896 A CN 114039896A
- Authority
- CN
- China
- Prior art keywords
- test
- ied
- background flow
- sequence
- ieds
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/10—Active monitoring, e.g. heartbeat, ping or trace-route
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/07—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems
- H04B10/075—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal
- H04B10/079—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal using measurements of the data signal
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/50—Testing arrangements
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Cardiology (AREA)
- General Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
Abstract
The invention belongs to the technical field of intelligent substations, and particularly relates to an automatic network performance testing method for relay protection equipment of an intelligent substation; the method specifically comprises the steps of importing an SCD file, automatically generating optical fiber physical connection relations among IEDs of the transformer substation, such as a protection unit, an intelligent terminal and a merging unit, according to the SCD file, and automatically generating a corresponding relation between optical fibers and a virtual circuit according to virtual connection among the IEDs in the SCD, and selecting a test IED; analyzing the connection relation between optical fibers and virtual loops of the testing IED and other IEDs in the SCD, and automatically generating a single testing sequence and a whole group of testing sequences; selecting a single test mode or a whole group of test modes according to the actual test environment; automatically generating a test sequence according to the connection relation of the test protection and the optical fibers of other IEDs and the corresponding relation between the optical fibers and the virtual loop; and automatically completing the IED network performance test according to the test sequence, generating a test report and evaluating the test result. The invention solves the problem of network performance test, improves the field test efficiency and ensures the safety and stability of the power grid.
Description
Technical Field
The invention belongs to the technical field of intelligent substations, and particularly relates to an automatic network performance testing method for relay protection equipment of an intelligent substation.
Background
At present, the network forms of the process layer of the intelligent substation mainly include three types: the straight jump is adopted, the mould is adopted and is straightly jumped, and the mould is adopted and is jumped. No matter which kind of mode all has the protection device to have the networking mouth and connect the switch, and the goose message is transmitted through the network, and process layer network storm often appears in actual operation of actual transformer substation, if process layer lED equipment failure, does not stop to the network and takes place the message, and switch vlan divides in the operation process inefficacy, and the interval is overhauld when switch wiring resumes port error and is aroused local looped netowrk etc.. Therefore, a serious challenge is posed to the action of the relay protection device in the network storm condition.
Therefore, the network performance test of the protection device is very important, and no matter the network access detection, the field debugging or the customer acceptance is an indispensable step, so that the protection device is fully ensured not to malfunction or not to malfunction due to an out-of-area malfunction when a storm occurs on the network, and not to fail due to an in-area malfunction.
The network performance test has the problems that: the field personnel do not know which items should be tested and how to simulate the network storm, and the qualified network performance can be ensured after which items are tested.
Disclosure of Invention
In order to solve the problems, the invention provides an automatic network performance testing method for intelligent substation relay protection equipment, which has the following specific technical scheme:
an automatic testing method for network performance of intelligent substation relay protection equipment comprises the following steps:
s1, importing an SCD file, automatically generating optical fiber physical connection relations among IEDs of the transformer substation, such as a protection unit, an intelligent terminal and a merging unit, according to the SCD file, and automatically generating a corresponding relation between optical fibers and a virtual circuit according to virtual connection among the IEDs in the SCD, and selecting a test IED;
s2, analyzing the connection relation between optical fibers and virtual loops of the testing IED and other IEDs in the SCD, and automatically generating a single testing sequence and a whole group of testing sequences;
s3, selecting a single test mode or a whole group of test modes according to the actual test environment; further selecting a single test sequence or a whole group of test sequences;
s4, automatically generating a test sequence according to the optical fiber connection relation between the test protection and other IEDs and the corresponding relation between the optical fiber and the virtual loop; and automatically completing the IED network performance test according to the test sequence, generating a test report and evaluating the test result.
Preferably, the step S2 includes the following steps:
confirming a sending port of the IED according to the PhysConn node downloading port attribute of the tested IED; finding the IEDs with consistent Cable attributes according to the Cable attributes of the IEDs under the PhysConn node and traversing the Cable attributes of other IEDs in the SCD file, and confirming the optical fiber connection ports of the IEDs; wherein, the port is a sending port of the IED, and the Cable is Cable connection information of the IED;
step S2 includes confirming the receiving port of the IED and the transmitted virtual terminal information according to the intAddr attribute under the Inputs node of the test IED; according to the IEdname attribute under the input node of the tested IED, confirming that the opposite end sends the IED; according to the iedName, searching an SV/GOOSE control block consistent with the intAddr address, and confirming SV/GOOSE control block information received and transmitted between IEDs; wherein the intAddr attribute under the input node of the IED comprises a receiving optical port and a receiving virtual terminal reference of the IED; the idname sends the IED for the opposite end.
Preferably, the direct connection port and the networking port of the testing IED are automatically generated according to the optical fiber connection ports of the testing IED and other IEDs and SV/GOOSE control block information received and transmitted by the corresponding ports between the IEDs, and the effective background traffic and the ineffective background traffic of the networking port are automatically generated.
Preferably, the direct connection port is a port for directly connecting the test IED with the intelligent terminal and the merging unit; the networking port is a port for connecting the testing IED with the switch, and indicates that the testing IED is not directly connected with other IEDs through optical fibers and needs to transfer and transmit an SV/GOOSE control block through the switch; the effective background flow refers to SV/GOOSE control block information of the tested IED and other IEDs with virtual terminals; invalid background traffic refers to SV/GOOSE control block information that is not connected to a virtual terminal of the test IED.
Preferably, the monomer test sequence means that a merging unit and an intelligent terminal are simulated to send SV/GOOSE control block information to the protection, faults inside/outside a region are simulated, and a protection networking port is connected to simulate and protect effective background flow and ineffective background flow; the whole group of test sequences is to add analog quantity from the front end of the merging unit, connect the hard contact of the intelligent terminal, simulate the fault inside/outside the area, and connect the protection, the intelligent terminal and the merging unit networking port to simulate the effective background flow and the ineffective background flow of the three.
Preferably, the test sequence in step S4 includes:
sequence 1, normal state + out-of-area fault +99.9M invalid background traffic, wherein the type of the invalid background traffic is a repeated message;
sequence 2, normal state + out-of-area fault +99.9M invalid background traffic, wherein the type of the invalid background traffic is a heartbeat message;
sequence 3, normal state + out-of-area fault +99.9M invalid background flow, wherein the type of the invalid background flow is a displacement message;
sequence 4, normal state + outside fault +99.9M effective background flow, wherein the type of the effective background flow is a repeated message;
sequence 5, normal state + outside fault +99.9M effective background flow, wherein the type of the effective background flow is a heartbeat message;
a sequence 6, normal state + outside fault +99.9M effective background flow, wherein the type of the effective background flow is a displacement message;
a sequence 7, normal state + fault in area + invalid background flow of 99.9M, wherein the type of the invalid background flow is a repeated message;
8, normal state + fault in area +99.9M invalid background flow, wherein the type of the invalid background flow is a heartbeat message;
a sequence 9, normal state + fault in area + invalid background flow of 99.9M, wherein the type of the invalid background flow is a displacement message;
a sequence 10, normal state + fault in area +99.9M effective background flow, wherein the type of the effective background flow is a repeated message;
a sequence 11, normal state + fault in area +99.9M effective background flow, wherein the type of the effective background flow is a heartbeat message;
and a sequence 12, normal state + fault in the area +99.9M effective background flow, wherein the type of the effective background flow is a displacement message.
Preferably, the heartbeat message is a GOOSE message in which the ST is unchanged and the SQ is increased progressively; the position-changing message is that ST in the GOOSE message is increased progressively, and SQ is unchanged; the repeated message is that the ST and SQ in the GOOSE message are not changed.
Preferably, the step S4 is to generate a test report, and the evaluating the test result includes the following steps:
the test sequences 1-6 require that the test result is not in error operation in a normal state and an out-of-area fault state; and 7-12 test sequences require that test results do not malfunction in a normal state, and the tripping time of the fault state in the area meets the requirement of a protection fixed value.
The invention has the beneficial effects that: the invention provides an automatic testing method for network performance of intelligent substation relay protection equipment, which specifically comprises the steps of importing an SCD file, automatically generating optical fiber physical connection relations among substation IEDs such as a protection unit, an intelligent terminal and a merging unit according to the SCD file, and automatically generating a corresponding relation between optical fibers and a virtual loop according to virtual connection among IEDs in the SCD, and selecting a testing IED; analyzing the connection relation between optical fibers and virtual loops of the testing IED and other IEDs in the SCD, and automatically generating a single testing sequence and a whole group of testing sequences; selecting a single test mode or a whole group of test modes according to the actual test environment; further selecting a single test sequence or a whole group of test sequences; automatically generating a test sequence according to the connection relation of the test protection and the optical fibers of other IEDs and the corresponding relation between the optical fibers and the virtual loop; and automatically completing the IED network performance test according to the test sequence, generating a test report and evaluating the test result. The invention definitely gives test steps and items, gives the requirement of whether the specific test sequence is qualified or not, and automatically obtains the test result, thereby solving the problem of network performance test, improving the field test efficiency and ensuring the safety and stability of the power grid.
Drawings
In order to more clearly illustrate the detailed description of the invention or the technical solutions in the prior art, the drawings that are needed in the detailed description of the invention or the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
FIG. 1 is a schematic diagram of a test method of the present invention;
FIG. 2 is a schematic diagram of a protected monomer test;
FIG. 3 is a schematic diagram of the entire set of tests.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It will be understood that the terms "comprises" and/or "comprising," when used in this specification and the appended claims, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.
It is also to be understood that the terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in the specification of the present invention and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.
It should be further understood that the term "and/or" as used in this specification and the appended claims refers to and includes any and all possible combinations of one or more of the associated listed items.
As shown in fig. 1, an automatic testing method for network performance of an intelligent substation relay protection device includes the following steps:
at S1, the SCD is first imported and the test IED is selected. According to the SCD file, the physical connection relation of optical fibers among IEDs of the transformer substation, such as protection, an intelligent terminal and a merging unit, is automatically generated, and the corresponding relation of the optical fibers and a virtual loop is automatically generated according to the virtual connection among the IEDs in the SCD.
The optical fiber physical connection relationship comprises optical port information of the substation IED, such as board card/plug-in number and port number of sending and receiving optical ports. The corresponding relation between the optical fiber and the virtual loop comprises APPID information sent and received in different optical ports. The APPID information includes SV/GOOSE message information, such as channel number, MAC address information, etc.
The method for automatically generating the optical fiber connection relation between the IEDs of the transformer substation and the corresponding relation between the optical fibers and the virtual loop comprises the following steps:
s11: and automatically searching a sending port of the test IED. And searching a PhysConn node of the tested IED, and finding port information under the PhysConn node, wherein, for example, port =1-A, and 1-A is a transmitting optical port.
S12: and automatically generating the optical fiber connection relation between the test IED and other IEDs. Finding a PhysConn node of the test IED, and finding Cable information under the PhysConn node, for example: cable = SW221102:3_ P _ L2201A:1-a, and Cable information is port connection information of the testing IED and other IEDs. And traversing the Cable information under PhysConn nodes of other IEDs, if the Cable information is found to be consistent with the Cable information of the tested IED, the IED with consistent Cable information has an optical fiber connection relation with the tested IED, and the port where the Cable information is located is an optical fiber connection port.
S13: and automatically generating the corresponding relation between the optical fiber and the virtual loop. Searching an input node of the test IED, and finding a receiving optical port of the test IED and receiving virtual loop information transmitted in the optical port under the input node; for example:
<ExtRef iedName="P_M1101X" ldInst="PIGO" lnClass="PTRC" lnInst="1" doName="Tr" daName="general" intAddr="2-A/2-B:RPIT/GOINGGIO6.SPCSO8.stVal"/>。
wherein intAddr is a receiving optical port of the test IED and a virtual loop reference received in the receiving optical port; IEdName is the sending IED. According to the IEdName and the intAddr, the corresponding relation between the optical fiber receiving port of the testing IED and the virtual circuit of the sending IED can be automatically generated, and the APPID information corresponding to the virtual circuit of the sending IED can be found out according to the IEdName and the intAddr by traversing the SCD file.
And S2, analyzing the connection relation between optical fibers and virtual loops of the testing IED and other IEDs in the SCD, and automatically generating a single testing sequence and a whole group of testing sequences. The method specifically comprises the following steps:
confirming a sending port of the IED according to the PhysConn node downloading port attribute of the tested IED; finding the IEDs with consistent Cable attributes according to the Cable attributes of the IEDs under the PhysConn node and traversing the Cable attributes of other IEDs in the SCD file, and confirming the optical fiber connection ports of the IEDs; wherein, the port is a sending port of the IED, and the Cable is Cable connection information of the IED;
confirming a receiving port of the IED and transmitted virtual terminal information according to the intAddr attribute under the input node of the tested IED; according to the IEdname attribute under the input node of the tested IED, confirming that the opposite end sends the IED; according to the iedName, searching an SV/GOOSE control block consistent with the intAddr address, and confirming SV/GOOSE control block information received and transmitted between IEDs; wherein the intAddr attribute under the input node of the IED comprises a receiving optical port and a receiving virtual terminal reference of the IED; the idname sends the IED for the opposite end.
According to optical fiber connection ports of the test IED and other IEDs and SV/GOOSE control block information received and transmitted by corresponding ports between the IEDs, a direct connection port and a networking port of the test IED are automatically generated, and effective background flow and ineffective background flow of the networking port are automatically generated.
The direct connection port is a port for directly connecting the test IED with the intelligent terminal and the merging unit; the networking port is a port for connecting the testing IED with the switch, and indicates that the testing IED is not directly connected with other IEDs through optical fibers and needs to transfer and transmit an SV/GOOSE control block through the switch; the effective background flow refers to SV/GOOSE control block information of the tested IED and other IEDs with virtual terminals; invalid background traffic refers to SV/GOOSE control block information that is not connected to a virtual terminal of the test IED.
Specifically, the effective background flow refers to an APPID control block having a virtual circuit connection relationship with the test IED, for example, a interlocking GOOSE loop is provided between the line protection and the bus protection, so that the APPID control block where the interlocking GOOSE loop is located is the effective background flow of the line protection; the invalid background traffic refers to a network traffic message which has no virtual loop connection relation with the test IED, and the invalid background traffic is except the valid background traffic.
S3, selecting a single test mode or a whole group of test modes according to the actual test environment; the single test is shown in fig. 2 and the entire set of tests is shown in fig. 3.
The protection single body test means that the intelligent terminal and the merging unit are simulated to send SV/GOOSE messages to a protection direct sampling direct jumping port without an actual device of the intelligent terminal and the merging unit, and effective and ineffective background flows are simulated to a protection networking port to finish the test of the protection device. The whole group test refers to the test of an actual device with an intelligent terminal and a merging unit, the analog quantity is added from the front end of the merging unit, the hard contact of the intelligent terminal is connected, and effective and ineffective background flow is simulated to the protection and merging unit and the group network port of the intelligent terminal, so that the whole group protection test is completed.
Selecting a single test sequence or a whole set of test sequences; the monomer test sequence means that a simulation merging unit and an intelligent terminal send SV/GOOSE control block information to protection, simulate faults in/out of a region and connect a protection networking port to simulate and protect effective background flow and ineffective background flow; the whole group of test sequences is to add analog quantity from the front end of the merging unit, connect the hard contact of the intelligent terminal, simulate the fault inside/outside the area, and connect the protection, the intelligent terminal and the merging unit networking port to simulate the effective background flow and the ineffective background flow of the three.
And S4, automatically generating a test sequence according to the optical fiber connection relation between the test protection and other IEDs and the corresponding relation between the optical fiber and the virtual loop. And automatically completing the IED network performance test according to the test sequence, generating a test report and evaluating the test result.
The test sequence includes:
sequence 1, normal state + out-of-area fault +99.9M invalid background traffic, wherein the type of the invalid background traffic is a repeated message;
sequence 2, normal state + out-of-area fault +99.9M invalid background traffic, wherein the type of the invalid background traffic is a heartbeat message;
sequence 3, normal state + out-of-area fault +99.9M invalid background flow, wherein the type of the invalid background flow is a displacement message;
sequence 4, normal state + outside fault +99.9M effective background flow, wherein the type of the effective background flow is a repeated message;
sequence 5, normal state + outside fault +99.9M effective background flow, wherein the type of the effective background flow is a heartbeat message;
a sequence 6, normal state + outside fault +99.9M effective background flow, wherein the type of the effective background flow is a displacement message;
a sequence 7, normal state + fault in area + invalid background flow of 99.9M, wherein the type of the invalid background flow is a repeated message;
8, normal state + fault in area +99.9M invalid background flow, wherein the type of the invalid background flow is a heartbeat message;
a sequence 9, normal state + fault in area + invalid background flow of 99.9M, wherein the type of the invalid background flow is a displacement message;
a sequence 10, normal state + fault in area +99.9M effective background flow, wherein the type of the effective background flow is a repeated message;
a sequence 11, normal state + fault in area +99.9M effective background flow, wherein the type of the effective background flow is a heartbeat message;
and a sequence 12, normal state + fault in the area +99.9M effective background flow, wherein the type of the effective background flow is a displacement message.
The heartbeat message is that the ST in the GOOSE message is unchanged, and the SQ is increased progressively; the position-changing message is that ST in the GOOSE message is increased progressively, and SQ is unchanged; the repeated message is that the ST and SQ in the GOOSE message are not changed.
The test sequences 1-6 require that the test result is not in error operation in a normal state and an out-of-area fault state; and 7-12 test sequences require that test results do not malfunction in a normal state, and the tripping time of the fault state in the area meets the requirement of a protection fixed value.
Those of ordinary skill in the art will appreciate that the elements of the examples described in connection with the embodiments disclosed herein may be implemented as electronic hardware, computer software, or combinations of both, and that the components of the examples have been described above generally in terms of their functionality in order to clearly illustrate the interchangeability of hardware and software. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.
In the embodiments provided in the present application, it should be understood that the division of the unit is only one division of logical functions, and other division manners may be used in actual implementation, for example, multiple units may be combined into one unit, one unit may be split into multiple units, or some features may be omitted.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention, and they should be construed as being included in the following claims and description.
Claims (8)
1. An automatic testing method for network performance of intelligent substation relay protection equipment is characterized by comprising the following steps: the method comprises the following steps:
s1, importing an SCD file, automatically generating a physical connection relation of optical fibers among IEDs of the transformer substation, such as a protection unit, an intelligent terminal and a merging unit, according to the SCD file, and automatically generating a corresponding relation of the optical fibers and a virtual circuit according to virtual connection among the IEDs in the SCD, and selecting a test IED;
s2, analyzing the connection relation between optical fibers and virtual loops of the testing IED and other IEDs in the SCD, and automatically generating a single testing sequence and a whole group of testing sequences;
s3, selecting a single test mode or a whole group of test modes according to the actual test environment; further selecting a single test sequence or a whole group of test sequences;
s4, automatically generating a test sequence according to the optical fiber connection relation between the test protection and other IEDs and the corresponding relation between the optical fiber and the virtual loop; and automatically completing the IED network performance test according to the test sequence, generating a test report and evaluating the test result.
2. The automatic testing method for the network performance of the intelligent substation relay protection equipment according to claim 1, is characterized in that: the step S2 includes the following steps:
confirming a sending port of the IED according to the PhysConn node downloading port attribute of the tested IED; finding the IEDs with consistent Cable attributes according to the Cable attributes of the IEDs under the PhysConn node and traversing the Cable attributes of other IEDs in the SCD file, and confirming the optical fiber connection ports of the IEDs; wherein, the port is a sending port of the IED, and the Cable is Cable connection information of the IED;
step S2 includes confirming the receiving port of the IED and the transmitted virtual terminal information according to the intAddr attribute under the Inputs node of the test IED; according to the IEdname attribute under the input node of the tested IED, confirming that the opposite end sends the IED; according to the iedName, searching an SV/GOOSE control block consistent with the intAddr address, and confirming SV/GOOSE control block information received and transmitted between IEDs; wherein the intAddr attribute under the input node of the IED comprises a receiving optical port and a receiving virtual terminal reference of the IED; the idname sends the IED for the opposite end.
3. The automatic testing method for the network performance of the intelligent substation relay protection equipment according to claim 2 is characterized in that: according to optical fiber connection ports of the test IED and other IEDs and SV/GOOSE control block information received and transmitted by corresponding ports between the IEDs, a direct connection port and a networking port of the test IED are automatically generated, and effective background flow and ineffective background flow of the networking port are automatically generated.
4. The automatic testing method for the network performance of the intelligent substation relay protection equipment according to claim 3, is characterized in that: the direct connection port is a port for directly connecting the test IED with the intelligent terminal and the merging unit; the networking port is a port for connecting the testing IED with the switch, and indicates that the testing IED is not directly connected with other IEDs through optical fibers and needs to transfer and transmit an SV/GOOSE control block through the switch; the effective background flow refers to SV/GOOSE control block information of the tested IED and other IEDs with virtual terminals; invalid background traffic refers to SV/GOOSE control block information that is not connected to a virtual terminal of the test IED.
5. The automatic testing method for the network performance of the intelligent substation relay protection equipment according to claim 1, is characterized in that: the monomer test sequence is used for simulating a merging unit and an intelligent terminal to send SV/GOOSE control block information to the protection, simulating an in-area fault/an out-area fault, and connecting a protection networking port to simulate and protect effective background flow and ineffective background flow; the whole group of test sequences is to add analog quantity from the front end of the merging unit, connect the hard contact of the intelligent terminal, simulate the fault inside/outside the area, and connect the protection, the intelligent terminal and the merging unit networking port to simulate the effective background flow and the ineffective background flow of the three.
6. The automatic testing method for the network performance of the intelligent substation relay protection equipment according to claim 5, is characterized in that: the test sequence in step S4 includes:
sequence 1, normal state + out-of-area fault +99.9M invalid background traffic, wherein the type of the invalid background traffic is a repeated message;
sequence 2, normal state + out-of-area fault +99.9M invalid background traffic, wherein the type of the invalid background traffic is a heartbeat message;
sequence 3, normal state + out-of-area fault +99.9M invalid background flow, wherein the type of the invalid background flow is a displacement message;
sequence 4, normal state + outside fault +99.9M effective background flow, wherein the type of the effective background flow is a repeated message;
sequence 5, normal state + outside fault +99.9M effective background flow, wherein the type of the effective background flow is a heartbeat message;
a sequence 6, normal state + outside fault +99.9M effective background flow, wherein the type of the effective background flow is a displacement message;
a sequence 7, normal state + fault in area + invalid background flow of 99.9M, wherein the type of the invalid background flow is a repeated message;
8, normal state + fault in area +99.9M invalid background flow, wherein the type of the invalid background flow is a heartbeat message;
a sequence 9, normal state + fault in area + invalid background flow of 99.9M, wherein the type of the invalid background flow is a displacement message;
a sequence 10, normal state + fault in area +99.9M effective background flow, wherein the type of the effective background flow is a repeated message;
a sequence 11, normal state + fault in area +99.9M effective background flow, wherein the type of the effective background flow is a heartbeat message;
and a sequence 12, normal state + fault in the area +99.9M effective background flow, wherein the type of the effective background flow is a displacement message.
7. The automatic testing method for the network performance of the intelligent substation relay protection equipment according to claim 6, is characterized in that: the heartbeat message is a GOOSE message in which ST is unchanged and SQ is increased progressively; the position-changing message is that ST in the GOOSE message is increased progressively, and SQ is unchanged; the repeated message is that the ST and SQ in the GOOSE message are not changed.
8. The automatic testing method for the network performance of the intelligent substation relay protection equipment according to claim 6, is characterized in that: in step S4, a test report is generated, and the evaluation test result includes the following:
the test sequences 1-6 require that the test result is not in error operation in a normal state and an out-of-area fault state; and 7-12 test sequences require that test results do not malfunction in a normal state, and the tripping time of the fault state in the area meets the requirement of a protection fixed value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111193659.XA CN114039896B (en) | 2021-10-13 | 2021-10-13 | Automatic network performance testing method for intelligent substation relay protection equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111193659.XA CN114039896B (en) | 2021-10-13 | 2021-10-13 | Automatic network performance testing method for intelligent substation relay protection equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114039896A true CN114039896A (en) | 2022-02-11 |
| CN114039896B CN114039896B (en) | 2023-08-04 |
Family
ID=80141237
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111193659.XA Active CN114039896B (en) | 2021-10-13 | 2021-10-13 | Automatic network performance testing method for intelligent substation relay protection equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114039896B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116087639A (en) * | 2022-10-31 | 2023-05-09 | 国网陕西省电力有限公司宝鸡供电公司 | MOD control-based uninterrupted power test method for relay protection equipment of intelligent substation |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106789403A (en) * | 2016-11-30 | 2017-05-31 | 国网安徽省电力公司宣城供电公司 | A kind of intelligent substation relay protection network pressure automatic testing equipment and method |
| CN107786000A (en) * | 2017-10-18 | 2018-03-09 | 南京能云电力科技有限公司 | The intelligent generation method of digital relay protection tester configuration file |
| US20190170822A1 (en) * | 2017-12-05 | 2019-06-06 | State Grid Hebei Electric Power Research Institute | Fully-automatic closed-loop detection method and device for intelligent substation |
| CN112491640A (en) * | 2020-10-16 | 2021-03-12 | 国网浙江省电力有限公司电力科学研究院 | In-situ protection looped network pressure testing method |
-
2021
- 2021-10-13 CN CN202111193659.XA patent/CN114039896B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106789403A (en) * | 2016-11-30 | 2017-05-31 | 国网安徽省电力公司宣城供电公司 | A kind of intelligent substation relay protection network pressure automatic testing equipment and method |
| CN107786000A (en) * | 2017-10-18 | 2018-03-09 | 南京能云电力科技有限公司 | The intelligent generation method of digital relay protection tester configuration file |
| US20190170822A1 (en) * | 2017-12-05 | 2019-06-06 | State Grid Hebei Electric Power Research Institute | Fully-automatic closed-loop detection method and device for intelligent substation |
| CN112491640A (en) * | 2020-10-16 | 2021-03-12 | 国网浙江省电力有限公司电力科学研究院 | In-situ protection looped network pressure testing method |
Non-Patent Citations (2)
| Title |
|---|
| 詹智华: "智能变电站继电保护动模测试平台建设及测试技术研究", 《中国优秀硕士学位论文全文数据库》 * |
| 詹智华: "智能变电站继电保护动模测试平台建设及测试技术研究", 《中国优秀硕士学位论文全文数据库》, 15 January 2019 (2019-01-15) * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116087639A (en) * | 2022-10-31 | 2023-05-09 | 国网陕西省电力有限公司宝鸡供电公司 | MOD control-based uninterrupted power test method for relay protection equipment of intelligent substation |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114039896B (en) | 2023-08-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103856361B (en) | Realize the method and system of remote debugging | |
| CN102164058A (en) | IEC61850 standard transformer substation based communication network and system test method | |
| CN104394029B (en) | A kind of total line detecting methods of AFDX based on hybrid channel | |
| CN103346616A (en) | Auxiliary detection method and system of transformer substation protecting, measuring and controlling device | |
| CN108683578B (en) | In-place device ring network communication test method and test system | |
| CN206193123U (en) | Distribution automation integration testing arrangement | |
| CN106712295A (en) | Logical power distribution terminal based on distributed power distribution automation system and communication method thereof | |
| CN101094121A (en) | Method, system and device for detecting Ethernet links among not direct connected devices | |
| CN103278739B (en) | A kind of high-voltage dc transmission electric control system Profibus field bus fault diagnostic method | |
| CN104730397B (en) | Interoperability test system and method between a kind of distribution power automation terminal | |
| CN114039896A (en) | Automatic network performance testing method for intelligent substation relay protection equipment | |
| CN107294565B (en) | Wiring device of simulation test system | |
| CN113067745A (en) | Aircraft 1394B bus communication simulation test platform | |
| CN108494599A (en) | A kind of ARINC664 bus failures injected system and method | |
| CN109031005B (en) | Distributed relay protection device testing method and relay protection tester | |
| CN106154071B (en) | A kind of device and method detecting intelligent electric energy meter RS485 bus failure | |
| Chung et al. | Testing of concurrent programs based on message sequence charts | |
| CN105099810A (en) | Communication test method and system for sampling value interface | |
| CN107369327A (en) | Intersection traffic whistle control system and method based on the buses of RS 485 | |
| CN108648549A (en) | A kind of the power information acquisition closed-loop simulation system and control method of object-oriented | |
| Duan et al. | RTCE: Real-time co-emulation framework for EMT-based power system and communication network on FPGA-MPSoC hardware architecture | |
| CN102946146A (en) | Ground lead monitoring system | |
| Qiao et al. | Self-triggering Fault Self-healing Test Based on Equivalence Class Division | |
| CN111897314A (en) | Electromagnetic compatibility immunity testing device for controlling protection equipment | |
| CN105044552A (en) | Fault diagnosis method, system and device for distribution network automation system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |