CN108846228B - Distribution line rocket lightning triggering test method with conventional configuration of lightning arrester - Google Patents
Distribution line rocket lightning triggering test method with conventional configuration of lightning arrester Download PDFInfo
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- CN108846228B CN108846228B CN201810682375.9A CN201810682375A CN108846228B CN 108846228 B CN108846228 B CN 108846228B CN 201810682375 A CN201810682375 A CN 201810682375A CN 108846228 B CN108846228 B CN 108846228B
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- G06—COMPUTING; CALCULATING OR COUNTING
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- G06F30/20—Design optimisation, verification or simulation
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- G—PHYSICS
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- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/70—Smart grids as climate change mitigation technology in the energy generation sector
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/50—Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications
Abstract
The application provides a distribution line rocket lightning triggering test method with a conventional lightning arrester configuration, which comprises the following steps: establishing an L-shaped distribution line, and configuring distribution transformers at two ends of the distribution line; establishing a digital waveform measuring system for lightning overvoltage and lightning current along the line, and setting measuring points; establishing a distribution line direct lightning lead mobile tower; carrying out rocket lightning triggering test on the distribution line through a distribution line direct lightning lead mobile tower, and simultaneously measuring actual measurement field parameters along the distribution line; establishing a simulation model aiming at rocket lightning triggering conditions through simulation software, and enabling the difference value between simulation model parameters and actual measurement field parameters to be smaller than a preset threshold value through updating parameters of the simulation model and lightning triggering conditions of a reconstruction field; and quantitatively evaluating the lightning protection performance of the conventionally configured distribution line. The application also provides corresponding equipment. This application can fix a point quantitative empirical verification and examine the lightning protection effect of distribution lines to optimize distribution lines lightning protection measure, improve the reliability of power supply.
Description
Technical Field
The application relates to the technical field of distribution line lightning protection, in particular to a distribution line rocket lightning triggering test method with a conventional lightning arrester configuration.
Background
Distribution network thunder accident is one of three major factors that influence district power supply reliability, distribution lines lightning protection equipment configuration difference is big at present, and the thunderbolt takes place to have the characteristics of time, place randomness, only rely on operating duration accumulation cycle length, be difficult to different lightning protection configuration scheme validity comparative evaluation, and domestic research to distribution lines thunder and lightning overvoltage, most of the side is on thunder and lightning induction overvoltage, the research to distribution lines direct attack thunder is less, it is at the level of the resistant thunder of direct attack thunder that to stop more, what kind of lightning protection measure etc. aspect is taken, lack true type experiment to distribution lines, contents such as transmission process of overvoltage.
Disclosure of Invention
The embodiment of the application provides a distribution line rocket lightning triggering test method and related equipment with conventional configuration of an arrester, and the lightning protection effect of the distribution line can be verified in a fixed-point quantitative demonstration mode, so that the lightning protection measures of the distribution line are optimized, and the reliability of power supply is improved.
In view of the above, the first aspect of the present application provides a distribution line rocket lightning triggering test method for a conventional configuration of an arrester, the method including:
s1, establishing an L-shaped distribution line, and configuring distribution transformers at two ends of the distribution line;
s2, establishing a lightning overvoltage and lightning current digital waveform measuring system along the line, and setting measuring points;
s3, establishing a distribution line direct lightning lead mobile tower for realizing a rocket lightning triggering test;
s4, carrying out rocket lightning triggering test on the distribution line through the distribution line direct lightning lead mobile tower, and simultaneously measuring actually measured field parameters along the distribution line through a lightning overvoltage and lightning current digital waveform measuring system along the line;
s5, establishing a simulation model aiming at rocket lightning triggering conditions through simulation software, calculating distribution line simulation model parameters, and enabling the difference value between the simulation model parameters and the actually measured field parameters to be smaller than a preset threshold value through updating the parameters of the simulation model and the lightning triggering conditions of a reconstruction field;
and S6, quantitatively evaluating the lightning protection performance of the conventionally configured distribution line according to the simulation model parameters and the actually measured field parameters.
Preferably, the distribution line arranged in the L shape in step S1 is divided into two sections at a right angle of the L shape, and the two sections of distribution lines are connected through an automatic switch on the pole, so as to automatically connect and disconnect the two sections of distribution lines.
Preferably, the rocket lightning triggering test comprises direct-hit line wires, direct-hit towers and lightning stroke vicinity.
Preferably, the measured field parameters include: lightning overvoltage, lightning current and lightning arrester current waveform along the line.
Preferably, the simulation model parameters comprise distribution line direct lightning overvoltage, lightning current propagation characteristic parameters, lightning resistance level parameters, flashover rate and lightning arrester through-flow parameters.
Preferably, the setting of the measurement point in step S2 specifically includes: and uniformly arranging 10 measuring points on the distribution line.
The second aspect of the present application provides a distribution line rocket lightning triggering test device with a conventional lightning arrester configuration, the device comprising:
the distribution line arrangement module is used for establishing an L-shaped distribution line, and distribution transformers are configured at two ends of the distribution line;
the measuring system module is used for establishing a digital waveform measuring system for lightning overvoltage and lightning current along the line and setting measuring points;
the lightning triggering system module is used for establishing a distribution line direct lightning strike lead mobile tower and realizing a rocket lightning triggering test;
the actual measurement module is used for carrying out rocket lightning triggering tests on the distribution lines through the distribution line direct lightning lead mobile tower, and measuring actual measurement field parameters along the distribution lines through a lightning overvoltage and lightning current digital waveform measurement system along the lines;
the simulation module is used for establishing a simulation model aiming at the rocket lightning triggering working condition through simulation software, calculating the parameters of the distribution line simulation model, and enabling the difference value between the simulation model parameters and the actually measured field parameters to be smaller than a preset threshold value through updating the parameters of the simulation model and the lightning triggering working condition of a reconstruction field;
and the evaluation module is used for quantitatively evaluating the lightning protection performance of the conventionally configured distribution line according to the simulation model parameters and the actually measured field parameters.
Preferably, the distribution line that the L type was arranged divides into two sections at L type right angle punishment, and two sections distribution lines pass through automatic switch on the post and connect for realize the connection and the disconnection of two sections distribution lines automatically.
Preferably, the measurement system module is further configured to uniformly set 10 measurement points on the distribution line.
A third aspect of the present application provides a distribution line rocket lightning strike testing device of a conventional configuration of lightning arresters, the device comprising a processor and a memory:
the memory is used for storing program codes and transmitting the program codes to the processor;
the processor is used for executing the steps of the distribution line rocket lightning triggering test method of the lightning arrester conventional configuration according to the first aspect according to the instructions in the program codes.
According to the technical scheme, the embodiment of the application has the following advantages:
in the embodiment of the application, a distribution line rocket lightning triggering test method with a conventional lightning arrester configuration is provided, and the method comprises the following steps: s1, establishing an L-shaped distribution line, and configuring distribution transformers at two ends of the distribution line; s2, establishing a lightning overvoltage and lightning current digital waveform measuring system along the line, and setting measuring points; s3, establishing a distribution line direct lightning lead mobile tower for realizing a rocket lightning triggering test; s4, carrying out rocket lightning triggering test on the distribution line through the distribution line direct lightning lead mobile tower, and simultaneously measuring actually measured field parameters along the distribution line through a lightning overvoltage and lightning current digital waveform measuring system along the line; s5, establishing a simulation model aiming at rocket lightning triggering conditions through simulation software, calculating distribution line simulation model parameters, and enabling the difference value between the simulation model parameters and the actually measured field parameters to be smaller than a preset threshold value through updating the parameters of the simulation model and the lightning triggering conditions of a reconstruction field; and S6, quantitatively evaluating the lightning protection performance of the conventionally configured distribution line according to the simulation model parameters and the actually measured field parameters. The application also provides corresponding equipment. This application can fix a point quantitative empirical verification and examine the lightning protection effect of distribution lines to optimize distribution lines lightning protection measure, improve the reliability of power supply.
Drawings
FIG. 1 is a diagram of a rocket lightning triggering test system in the embodiment of the present application;
FIG. 2 is a flowchart of a method of a conventionally configured rocket-initiated lightning testing method for lightning protection performance of distribution lines in an embodiment of the present application;
FIG. 3 is a flow chart of another embodiment of a rocket lightning test method for lightning protection performance of a conventionally configured distribution line according to an embodiment of the present application;
fig. 4 is a schematic structural diagram of a distribution line direct lightning lead wire moving tower test condition in the embodiment of the present application.
Detailed Description
In order to make the technical solutions of the present application better understood, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. 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 application.
It should be understood that the present application is applied to a rocket lightning triggering test system, please refer to fig. 1, fig. 1 is a structural diagram of the rocket lightning triggering test system in the embodiment of the present application, as shown in fig. 1, and fig. 1 includes a power distribution line, a power distribution line direct lightning lead moving tower, and the like.
The rocket lightning triggering test method for the lightning protection performance of the conventionally configured distribution line is designed, and the lightning protection effect of the distribution line can be verified quantitatively at fixed points by using the method, so that the lightning protection measures of the distribution line are optimized, and the reliability of power supply is improved.
For convenience of understanding, please refer to fig. 2, where fig. 2 is a flowchart of a method of a rocket lightning initiation test method for lightning protection performance of a distribution line configured conventionally in an embodiment of the present application, and as shown in fig. 2, the method specifically includes:
101. establishing an L-shaped distribution line, and configuring distribution transformers at two ends of the distribution line;
the distribution lines that the L type was arranged divide into two sections in L type right angle punishment, and two sections distribution lines pass through automatic switch on the post and connect for realize two sections distribution lines's connection and disconnection automatically. The L-shaped arrangement is mainly considered to be consistent with an actual line, the actual line generally cannot be a straight line, and meanwhile, the line cannot be folded into a plurality of lines for facilitating subsequent simulation calculation modeling. The automatic switch on the pole is a knife switch arranged on a pole tower, can remotely control the switching on and switching off of the switch, and has similar functions to the common knife switch in function. An on-pole recloser may be understood as a knife switch that can be remotely operated. As shown in fig. 1, the distribution lines are arranged in an L-shape.
102. Establishing a digital waveform measuring system for lightning overvoltage and lightning current along the line, and setting measuring points;
there may be 10 measurement points evenly placed on the distribution line. As shown in fig. 1, the black dots are measurement points.
103. Establishing a distribution line direct lightning strike lead mobile tower for realizing a rocket lightning strike test;
the rocket lightning triggering test comprises three working conditions of directly hitting a line wire, directly hitting a tower, nearby lightning stroke and the like.
104. Carrying out rocket lightning triggering test on the distribution line through a distribution line direct lightning lead mobile tower, and measuring actually-measured field parameters along the distribution line through a lightning overvoltage and lightning current digital waveform measuring system along the line;
the measured field parameters include: lightning overvoltage, lightning current and lightning arrester current waveform along the line.
105. Establishing a simulation model aiming at rocket lightning triggering conditions through simulation software, calculating distribution line simulation model parameters, and enabling the difference value between the simulation model parameters and actual measurement field parameters to be smaller than a preset threshold value through updating the parameters of the simulation model and the lightning triggering conditions of a reconstruction field;
the simulation model parameters comprise the direct lightning overvoltage and lightning current propagation characteristic parameters of the distribution line, and lightning resistance level parameters, flashover rate and lightning arrester through-flow parameters.
106. And quantitatively evaluating the lightning protection performance of the conventionally configured distribution line according to the simulation model parameters and the actually measured field parameters.
The above is a detailed description of an embodiment of a distribution line rocket lightning-triggering test method provided by the application in a conventional configuration of an arrester, and the following is a detailed description of another embodiment of the distribution line rocket lightning-triggering test method provided by the application in a conventional configuration of an arrester.
Referring to fig. 3, the present application provides another embodiment of a distribution line rocket lightning triggering test method for a conventional configuration of lightning arresters, comprising:
step 1: establishing a 1-5km 10kV distribution line, arranging in an L shape, dividing into two sections, connecting by adopting an on-column automatic switch, configuring a 10kV distribution transformer at two ends, and establishing a conventionally arranged distribution line test line section;
step 2: establishing a digital waveform measuring system for lightning overvoltage and lightning current along the line to realize automatic observation, and measuring the point 10;
and step 3: the method has the advantages that the distribution line direct lightning lead moving tower is established, and different lightning triggering modes such as direct lightning line lead, direct lightning pole tower and lightning stroke vicinity can be directly realized;
and 4, step 4: lightning strike is conducted on a conventionally configured distribution line, lightning overvoltage, lightning current and lightning arrester current waveform along the line are measured, and response characteristics are researched.
And 5: and calculating the over-voltage and lightning current propagation characteristics of the conventionally configured distribution line direct lightning, the lightning resistance level, the flashover rate, the lightning arrester through-flow and other parameters according to the rocket lightning triggering working condition, and comparing the parameters with the experimental result.
Step 6: and quantitatively evaluating the lightning protection performance of the conventionally configured distribution line by combining the actual measurement result and a large amount of calculation results of the conventionally configured distribution line rocket lightning initiation test, and giving guidance suggestions.
In the step 1, the established L-shaped distribution line with the conventional arrangement is arranged, the line length is 1-5km, the distribution line is divided into two sections, the two sections of wires are connected by adopting an on-pole automatic switch, the connection and disconnection of the two sections of wires can be automatically realized, during disconnection, a direct lightning strike test of one section of line and an induction lightning test of the other section of line can be simultaneously realized, the test efficiency is improved, during connection, the lightning propagation characteristics of the lines in different line trends can be compared, and the richness of test results is increased.
In step 2, a system for measuring lightning overvoltage and lightning current digital waveform along the line is established, so that voltage and current waveforms at different positions of the distribution line can be measured, and lightning overcurrent waveforms of lightning overvoltage at different positions of the distribution line 10 can be obtained simultaneously.
In the step 3, the distribution line directly strikes the lightning lead to move the tower, so that different lightning triggering modes of directly striking different positions of the line lead, directly striking a tower, being struck by lightning and nearby can be conveniently realized, and the test efficiency is improved. Referring to fig. 4, the distribution line direct lightning lead moving tower can be connected to the distribution line as shown in fig. 4.
In step 4, lightning overvoltage, lightning current and lightning arrester current waveform along the line are obtained through measurement, the lightning overvoltage attenuation characteristic, the lightning overcurrent shunt characteristic and the lightning arrester response characteristic of the power distribution line are researched, and actually measured field data are provided for a calculation model in the subsequent step.
In step 5, parameters such as direct lightning overvoltage and lightning current propagation characteristics of the conventionally configured distribution line, lightning resistance level, flashover rate and lightning arrester through-flow are calculated and compared with the actual measurement result in step 4, and the calculation method is further optimized to be consistent with the actual measurement result.
Step 6: and quantitatively evaluating the lightning protection performance of the conventionally configured distribution line by combining the actual measurement result and a large amount of calculation results of the conventionally configured distribution line rocket lightning initiation test. Therefore, lightning protection measures of the distribution lines are optimized, and the reliability of power supply of the distribution lines is improved.
The above is a detailed description of a distribution line rocket lightning triggering test method provided by the application and conventionally configured by an arrester, and the following is a detailed description of a distribution line rocket lightning triggering test device provided by the application and conventionally configured by an arrester.
The application provides distribution lines rocket lightning triggering test device of arrester conventional configuration, the device includes:
the distribution line arrangement module is used for establishing an L-shaped distribution line, and distribution transformers are configured at two ends of the distribution line;
the measuring system module is used for establishing a digital waveform measuring system for lightning overvoltage and lightning current along the line and setting measuring points;
the lightning triggering system module is used for establishing a distribution line direct lightning strike lead mobile tower and realizing a rocket lightning triggering test;
the actual measurement module is used for carrying out rocket lightning triggering tests on the distribution lines through the distribution line direct lightning lead mobile tower, and measuring actual measurement field parameters along the distribution lines through a lightning overvoltage and lightning current digital waveform measurement system along the lines;
the simulation module is used for establishing a simulation model aiming at the rocket lightning triggering working condition through simulation software, calculating the parameters of the distribution line simulation model, and enabling the difference value between the simulation model parameters and the actually measured field parameters to be smaller than a preset threshold value through updating the parameters of the simulation model and the lightning triggering working condition of a reconstruction field;
and the evaluation module is used for quantitatively evaluating the lightning protection performance of the conventionally configured distribution line according to the simulation model parameters and the actually measured field parameters.
The distribution lines that the L type was arranged divide into two sections in L type right angle punishment, and two sections distribution lines pass through automatic switch on the post and connect for realize two sections distribution lines's connection and disconnection automatically.
The measuring system module is also used for uniformly arranging 10 measuring points on the distribution line.
The application provides distribution lines rocket lightning triggering test equipment of arrester conventional configuration, and equipment includes treater and memory:
the memory is used for storing the program codes and transmitting the program codes to the processor;
the processor is configured to execute the steps of the distribution line rocket lightning initiation testing method of the conventional configuration of lightning arresters of the first aspect described above according to instructions in the program code.
It is clear to those skilled in the art that, for convenience and brevity of description, the specific working processes of the above-described systems, apparatuses and units may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
The terms "first," "second," "third," "fourth," and the like in the description of the application and the above-described figures, if any, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
It should be understood that in the present application, "at least one" means one or more, "a plurality" means two or more. "and/or" for describing an association relationship of associated objects, indicating that there may be three relationships, e.g., "a and/or B" may indicate: only A, only B and both A and B are present, wherein A and B may be singular or plural. The character "/" generally indicates that the former and latter associated objects are in an "or" relationship. "at least one of the following" or similar expressions refer to any combination of these items, including any combination of single item(s) or plural items. For example, at least one (one) of a, b, or c, may represent: a, b, c, "a and b", "a and c", "b and c", or "a and b and c", wherein a, b, c may be single or plural.
In the several embodiments provided in the present application, it should be understood that the disclosed system, apparatus and method may be implemented in other manners. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the units is only one logical division, and other divisions may be realized in practice, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
The integrated unit, if implemented in the form of a software functional unit and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present application may be substantially implemented or contributed to by the prior art, or all or part of the technical solution may be embodied in a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present application. And the aforementioned storage medium includes: a U disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
The above embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions in the embodiments of the present application.
Claims (10)
1. A distribution line rocket lightning triggering test method of a lightning arrester is characterized by comprising the following steps:
s1, establishing an L-shaped distribution line, and configuring distribution transformers at two ends of the distribution line;
s2, establishing a lightning overvoltage and lightning current digital waveform measuring system along the line, and setting measuring points;
s3, establishing a distribution line direct lightning lead mobile tower for realizing a rocket lightning triggering test;
s4, carrying out rocket lightning triggering test on the distribution line through the distribution line direct lightning lead mobile tower, and simultaneously measuring actually measured field parameters along the distribution line through a lightning overvoltage and lightning current digital waveform measuring system along the line;
s5, establishing a simulation model aiming at rocket lightning triggering conditions through simulation software, calculating distribution line simulation model parameters, and enabling the difference value between the simulation model parameters and the actually measured field parameters to be smaller than a preset threshold value through updating the parameters of the simulation model and the lightning triggering conditions of a reconstruction field;
and S6, quantitatively evaluating the lightning protection performance of the conventionally configured distribution line according to the simulation model parameters and the actually measured field parameters.
2. The method of claim 1, wherein the L-shaped distribution line of step S1 is divided into two segments at right angles to the L-shape, and the two segments are connected by an automatic switch on the pole for automatically connecting and disconnecting the two segments.
3. The method of claim 1, wherein the rocket lightning test comprises direct line wire strike, direct tower strike, and lightning strike proximity.
4. The method of claim 1, wherein the measured field parameters comprise: lightning overvoltage, lightning current and lightning arrester current waveform along the line.
5. The method of claim 1, wherein the simulation model parameters comprise distribution line direct lightning overvoltage, lightning current propagation characteristic parameters, and lightning resistance level parameters, flashover rate, lightning arrester current flow parameters.
6. The method according to claim 1, wherein the setting of the measurement point in step S2 specifically includes: and uniformly arranging 10 measuring points on the distribution line.
7. A distribution lines rocket lightning-triggering test device of arrester includes:
the distribution line arrangement module is used for establishing an L-shaped distribution line, and distribution transformers are configured at two ends of the distribution line;
the measuring system module is used for establishing a digital waveform measuring system for lightning overvoltage and lightning current along the line and setting measuring points;
the lightning triggering system module is used for establishing a distribution line direct lightning strike lead mobile tower and realizing a rocket lightning triggering test;
the actual measurement module is used for carrying out rocket lightning triggering tests on the distribution lines through the distribution line direct lightning lead mobile tower, and measuring actual measurement field parameters along the distribution lines through a lightning overvoltage and lightning current digital waveform measurement system along the lines;
the simulation module is used for establishing a simulation model aiming at the rocket lightning triggering working condition through simulation software, calculating the parameters of the distribution line simulation model, and enabling the difference value between the simulation model parameters and the actually measured field parameters to be smaller than a preset threshold value through updating the parameters of the simulation model and the lightning triggering working condition of a reconstruction field;
and the evaluation module is used for quantitatively evaluating the lightning protection performance of the conventionally configured distribution line according to the simulation model parameters and the actually measured field parameters.
8. The apparatus of claim 7 wherein the L-shaped distribution line is divided into two sections at right angles to the L-shape, the two sections being connected by an automatic switch on the pole for automatically connecting and disconnecting the two sections.
9. The apparatus of claim 7 wherein the measurement system module is further configured to evenly locate 10 measurement points on the distribution line.
10. A distribution line rocket lightning triggering test device with a conventional lightning arrester configuration is characterized by comprising a processor and a memory:
the memory is used for storing program codes and transmitting the program codes to the processor;
the processor is configured to execute the steps of the distribution line rocket lightning strike testing method of the arrester conventional configuration of any of claims 1-6 according to instructions in the program code.
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| CN109635360B (en) * | 2018-11-21 | 2023-09-15 | 宁波恒晨电力建设有限公司 | Lightning stroke risk assessment method and device based on cascade simulation |
| CN109598038A (en) * | 2018-11-21 | 2019-04-09 | 宁波恒晨电力建设有限公司 | Lightning-strike effectiveness analysis method and device |
| CN111144010A (en) * | 2019-12-27 | 2020-05-12 | 广东电网有限责任公司电力科学研究院 | Lightning equipment configuration simulation model modeling method and device |
| CN112595876A (en) * | 2020-12-09 | 2021-04-02 | 广东电网有限责任公司电力科学研究院 | Rocket lightning triggering thunder and lightning data acquisition device and method and lightning triggering line length determination method |
| CN113406400B (en) * | 2021-07-29 | 2022-07-08 | 广东电网有限责任公司 | Method and system for measuring voltage and current characteristics of continuous lightning stroke along line |
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