CN115993556A - Transformer short-circuit resistance checking method and related equipment - Google Patents
Transformer short-circuit resistance checking method and related equipment Download PDFInfo
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Abstract
The embodiment of the invention discloses a method for checking the short-circuit resistance of a transformer and related equipment, wherein the method comprises the following steps: collecting fault wave recording data, oil surface temperature data and basic data of a target transformer; determining the target yield strength of the lead in the target transformer according to the fault wave recording data and the oil surface temperature data; constructing a physical structure model of the target transformer based on the basic data, and calculating a target short-circuit force of the target transformer; and checking the short-circuit resistance of the target transformer according to the target short-circuit force and the target yield strength. And calculating the temperature rise condition of the lead according to the short-circuit current of the transformer in line faults, further determining the mechanical characteristic change condition of the lead in the target transformer, checking the short-circuit resistance of the transformer, grasping the reclosing impact resistance of the transformer after short-circuit impact, and realizing accurate construction.
Description
Technical Field
The invention relates to the technical field of power transmission line maintenance, in particular to a method for checking short circuit resistance of a transformer and related equipment.
Background
In actual power grid operation, a large number of cases of damage to the transformer are caused when the line recloses to permanent faults exist, the existing short-circuit-resistant checking work is performed by using design structural parameters of manufacturers, the offline mode is mainly used, and the influence of thermal effects on the short-circuit-resistant capability of reclosing to permanent faults after the line faults is not considered, so that the checking is inaccurate.
Disclosure of Invention
In view of this, the embodiments of the present application provide a method for checking the short-circuit resistance of a transformer and related equipment, which are used for solving the problem that the influence of the thermal effect after a line fault on the short-circuit resistance when reclosing to a permanent fault is not considered in the prior art. To achieve one or some or all of the above or other objects, the present application provides a method for checking short-circuit resistance of a transformer, including:
acquiring fault wave recording data, oil surface temperature data and basic data of a target transformer, wherein the fault wave recording data comprise fault current data flowing through the target transformer when a circuit where the target transformer is located fails;
determining a target yield strength of a wire within the target transformer based on the fault current data and the oil level temperature data;
constructing a physical structure model of the target transformer based on the basic data, and acquiring a target short-circuit force of the target transformer;
and checking the short-circuit resistance of the target transformer according to the target short-circuit force and the target yield strength.
Optionally, before the step of determining the target yield strength of the wire in the target transformer based on the fault current data and the oil surface temperature data, the method further comprises:
acquiring attribute information of a wire in the target transformer, wherein the factory information comprises manufacturer information, model information, service life information and environment information;
selecting a target conductor based on attribute information of the conductor in the target transformer;
performing yield strength tests at different temperatures according to the target wire to obtain a yield meter of the target wire;
and taking the yield degree meter of the target conductor as a target yield degree meter of the conductor in the target transformer.
Optionally, the step of determining the target yield strength of the wire in the target transformer based on the fault current data and the oil surface temperature data includes:
determining a target temperature of a wire within the target transformer based on the fault current data and the oil level temperature data;
and determining the target yield strength of the lead in the target transformer according to the target temperature and the target yield degree table.
Optionally, the step of constructing a physical structure model of the target transformer based on the basic data includes:
and establishing a physical structure model of the target transformer according to the structural parameters of the coil, the iron core and the tapping switch of the target transformer.
Optionally, the step of obtaining the target short-circuit force of the target transformer includes:
calculating a leakage magnetic field based on the physical structure model, and acquiring the radial force of each wire in each turn of wires in the target transformer;
and determining the target short-circuit force of the target transformer according to the radial force.
Optionally, the step of determining the target short-circuit force of the target transformer according to the radial force includes:
determining average annular stretching short-circuit force of the continuous, spiral and multi-layer windings and average annular compression short-circuit force of the continuous, spiral and multi-layer windings according to the radial force of each wire on the continuous, spiral and multi-layer windings;
determining the radial bending short-circuit force of the wires in the span between the stays or the cushion blocks according to the radial force of the wires in the span between the stays or the cushion blocks;
determining axial bending short-circuit force of the wires in the span between the radial cushion blocks according to the radial force of the wires in the span between the radial cushion blocks;
determining a maximum axial compression force acting on each solid winding according to the maximum radial force on each solid winding;
and taking the average annular stretching short-circuit force, the average annular compression short-circuit force, the wire radial bending short-circuit force, the wire axial bending short-circuit force and the maximum axial compression force as target short-circuit forces of the target transformer.
Optionally, the step of checking the short-circuit resistance of the target transformer according to the target short-circuit force and the target yield strength includes:
multiplying the target yield strength by a preset coefficient to obtain a criterion of the target short-circuit force;
and matching the criterion with the target short-circuit force to obtain the short-circuit resistance of the target transformer.
On the other hand, the application provides a transformer short circuit resistance capability checking device, includes:
the data acquisition module is used for acquiring fault wave recording data, oil surface temperature data and basic data of a target transformer, wherein the fault wave recording data comprise fault current data flowing through the target transformer when a circuit where the target transformer is located is in a fault state;
a determination module for determining a target yield strength of a wire within the target transformer based on the fault current data and the oil level temperature data;
the calculation module is used for constructing a physical structure model of the target transformer based on the basic data and acquiring a target short-circuit force of the target transformer;
and the judging module is used for checking the short-circuit resistance of the target transformer according to the target short-circuit force and the target yield strength.
In another aspect, an embodiment of the present application provides an electronic device, including: the transformer short circuit resistance checking method comprises a processor, a memory and a bus, wherein the memory stores machine-readable instructions executable by the processor, when the electronic device runs, the processor and the memory are communicated through the bus, and the machine-readable instructions are executed by the processor to execute the steps of the transformer short circuit resistance checking method.
In another aspect, embodiments of the present application provide a computer readable storage medium having a computer program stored thereon, which when executed by a processor performs the steps of a method for checking the short-circuit resistance of a transformer as described above.
The implementation of the embodiment of the invention has the following beneficial effects:
acquiring fault wave recording data, oil surface temperature data and basic data of a target transformer, wherein the fault wave recording data comprise fault current data flowing through the target transformer when a circuit where the target transformer is located is in fault; determining a target yield strength of a wire within the target transformer based on the fault current data and the oil level temperature data; constructing a physical structure model of the target transformer based on the basic data, and acquiring a target short-circuit force of the target transformer; and checking the short-circuit resistance of the target transformer according to the target short-circuit force and the target yield strength. The transformer short circuit resistance can be checked in real time, the reclosing impact resistance of the transformer is again resisted after short circuit impact is mastered in real time, accurate planning is realized, the loss of manpower, material resources and the like caused by power failure can be reduced, the running risk of the power grid caused by the power failure can be avoided, and the power supply reliability of the power grid is improved.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Wherein:
fig. 1 is a flowchart of a method for checking short circuit resistance of a transformer according to an embodiment of the present application;
fig. 2 is a schematic structural diagram of a device for checking short circuit resistance of a transformer according to an embodiment of the present application;
fig. 3 is a schematic structural diagram of an electronic device according to an embodiment of the present application;
fig. 4 is a schematic structural diagram of a storage medium according to an embodiment of the present application.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The application provides a method for checking short circuit resistance of a transformer, which is shown in fig. 1 and comprises the following steps:
s101, acquiring fault wave recording data, oil surface temperature data and basic data of a target transformer, wherein the fault wave recording data comprise fault current data flowing through the target transformer when a circuit where the target transformer is located is in fault;
the fault recording data comprises fault current data flowing through the target transformer when a circuit where the target transformer is located is in fault;
s102, determining the target yield strength of the lead in the target transformer based on the fault current data and the oil surface temperature data;
illustratively, determining a target yield strength of the wire within the target transformer based on the fault current data and the oil level temperature data, taking into account temperature variations that would result in a change in wire performance;
s103, constructing a physical structure model of the target transformer based on the basic data, and acquiring a target short-circuit force of the target transformer;
illustratively, a physical structure model of the target transformer is constructed based on the basic data, such as the number of turns of windings, the length of wires, the actual height of windings, and the like, and leakage magnetic field calculation and short-circuit force calculation are performed based on the physical structure model;
and S104, checking the short-circuit resistance of the target transformer according to the target short-circuit force and the target yield strength.
Acquiring fault wave recording data, oil surface temperature data and basic data of a target transformer, wherein the fault wave recording data comprise fault current data flowing through the target transformer when a circuit where the target transformer is located is in fault; determining a target yield strength of a wire within the target transformer based on the fault current data and the oil level temperature data; constructing a physical structure model of the target transformer based on the basic data, and acquiring a target short-circuit force of the target transformer; and checking the short-circuit resistance of the target transformer according to the target short-circuit force and the target yield strength. The short-circuit resistance of the transformer is calculated in real time according to the change condition of the oil temperature, so that the short-circuit resistance of the transformer can be checked in real time, the short-circuit resistance of the transformer can be mastered in real time, and measures are taken to prevent and control the damage of the transformer. The anti-short-circuit capability of the transformer is mastered in real time, accurate planning is realized, the loss of manpower, material resources and the like caused by power failure can be reduced, the running risk of the power grid caused by power failure can be avoided, and the power supply reliability of the power grid is improved.
In one possible embodiment, before the step of determining the target yield strength of the conductor within the target transformer based on the fault current data and the oil level temperature data, further comprising:
acquiring attribute information of a wire in the target transformer, wherein the factory information comprises manufacturer information, model information, service life information and environment information;
selecting a target conductor based on attribute information of the conductor in the target transformer;
performing yield strength tests at different temperatures according to the target wire to obtain a yield meter of the target wire;
and taking the yield degree meter of the target conductor as a target yield degree meter of the conductor in the target transformer.
By way of example, the wires of the same manufacturer, the same model, the same time and under the same working environment as the target transformer are used as target wires, so that the target wires are infinitely close to the wires in the target transformer, and further, yield strength curves, namely yield degree tables, of the wires in the target transformer are obtained under the condition that the wires are not offline, as shown in table 1:
TABLE 1 yield strength of target wire yield strength versus temperature curve
| Temperature, DEG C | 20 | 100 | 200 | 250 |
| R p0.2 ，MPa | 98 | 85 | 74 | 69 |
In one possible embodiment, the step of determining a target yield strength of the wire within the target transformer based on the fault current data and the oil level temperature data comprises:
determining a target temperature of a wire within the target transformer based on the fault current data and the oil level temperature data;
and determining the target yield strength of the lead in the target transformer according to the target temperature and the target yield degree table.
Exemplary, average temperature θ after winding short-circuiting 1 Should be calculated from the average temperature formula:
wherein:
θ 1 average temperature after winding short-circuit t(s) in degrees centigradeDegree (. Degree. C.);
θ 0 winding start temperature in degrees celsius (°c);
j- -short-circuit current density in ampere per square millimeter (A/mm) calculated according to the square root value of symmetrical short-circuit current;
t- -duration in seconds(s).
Wherein the two average temperature formulas are derived according to the adiabatic condition, and are effective only when the short-circuit duration is not more than 10s, and the coefficients in the formulas are specific heat, density and resistivity of different materials under the condition of 100 ℃.
Determining a target temperature of the wire in the target transformer according to an average temperature formula; determining a target yield strength of the wire in the target transformer according to the target temperature and the target yield meter
In one possible implementation manner, the step of constructing a physical structure model of the target transformer based on the basic data includes:
and establishing a physical structure model of the target transformer according to the structural parameters of the coil, the iron core and the tapping switch of the target transformer.
In one possible embodiment, the step of obtaining the target short-circuit force of the target transformer includes:
calculating a leakage magnetic field based on the physical structure model, and acquiring the radial force of each wire in each turn of wires in the target transformer;
and determining the target short-circuit force of the target transformer according to the radial force.
In one possible embodiment, the step of determining the target short-circuit force of the target transformer according to the radial force comprises:
determining average annular stretching short-circuit force of the continuous, spiral and multi-layer windings and average annular compression short-circuit force of the continuous, spiral and multi-layer windings according to the radial force of each wire on the continuous, spiral and multi-layer windings;
determining the radial bending short-circuit force of the wires in the span between the stays or the cushion blocks according to the radial force of the wires in the span between the stays or the cushion blocks;
determining axial bending short-circuit force of the wires in the span between the radial cushion blocks according to the radial force of the wires in the span between the radial cushion blocks;
determining a maximum axial compression force acting on each solid winding according to the maximum radial force on each solid winding;
applying the average ring-shaped tensile short-circuit force sigma t Said average annular compression short-circuit force sigma c The wire radial bending short-circuit force sigma br The axial bending short-circuit force sigma of the lead fa And the maximum axial compression force F a As a target short-circuit force of the target transformer.
The physical structure model of the transformer is built according to the structural parameters of the transformer coil, the iron core and the tapping switch, and the leakage magnetic field calculation and the short circuit force calculation are carried out, wherein the calculation method comprises the following steps:
F＝BILW (3-1)
wherein B is the magnetic flux density perpendicular to the wire, T;
i- -current in wire, A;
l- -length of wire, m
W- - -number of turns of winding
According to the above formula, the radial electromagnetic force should be calculated according to formula (3-2):
F x ＝BpjIdmaxLpj*W (3-2)
bpj-average density of longitudinal leakage magnetic field, T.
In which ρ - -Rockwell coefficient
H- - -the actual height of the winding, m;
the reactance height of the HK-winding, m;
idmax- -the maximum short circuit current magnitude (i.e., the rush short circuit current value ich), A;
lpj- -the average circumference of each turn of wire, m;
w- -the rated number of turns per phase of the winding, for the number of turns when the tap takes the neutral position.
Dpj- -the diameter of the centerline of the oil passage between the primary and secondary windings, pi Dpj is the average circumference of the high and low voltage windings. Mu (mu) 0 ＝0.4*π*10 -6 H/m
Uk- -short-circuit impedance in%
m-wire branches, i.e. when m wires are connected in parallel to form 1 turn of wires, the number of m wires in 1 turn. Thus, the formula may be changed to:
since the maximum short circuit current is approximately calculated as:
kch-impact coefficient, U k % is the impedance voltage percentage, so Fx is calculated as:
when there are m branches per turn of wire, fx per wire is (this is per):
under the action of the radial force determined by the above formula, the high-voltage winding (outer winding) is subjected to great tension, so that the outer winding should be subjected to tensile stress calculation, and according to the mechanical principle, under the action of the radial force Fx, the tangential tension generated in the winding is as follows:
for concentric windings, for tensile stress sigma x The calculated values for each and every turn are equal.
In one possible embodiment, the step of checking the short circuit resistance of the target transformer according to the target short circuit force and the target yield strength includes:
multiplying the target yield strength by a preset coefficient to obtain a criterion of the target short-circuit force;
and matching the criterion with the target short-circuit force to obtain the short-circuit resistance of the target transformer.
Exemplary, according to the criteria in GB/T1094.5-2008, as shown in Table 2, the preset coefficient is 0.9,0.35,0.6, etc., the target yield strength is R p0.2 And calculating the criterion of each short-circuit resistance related to the short-circuit resistance of the winding under the oil temperature, and calculating the short-circuit resistance of the winding of the transformer under the oil temperature and the winding temperature, wherein any short-circuit resistance larger than the limit value indicates insufficient short-circuit resistance of the target transformer, and when all short-circuit resistance is smaller than the corresponding limit value, the short-circuit resistance of the target transformer meets the requirement.
Table 2 criteria for the respective forces of the short-circuit resistance of the transformers
In one possible embodiment, as shown in fig. 2, the present application provides a device for checking short-circuit resistance of a transformer, including:
the data acquisition module 201 is configured to acquire fault recording data, oil surface temperature data and basic data of a target transformer, where the fault recording data includes fault current data flowing through the target transformer when a circuit where the target transformer is located fails;
a determination module 202 for determining a target yield strength of a wire within the target transformer based on the fault current data and the oil level temperature data;
the computing module 203 is configured to construct a physical structure model of the target transformer based on the basic data, and obtain a target short-circuit force of the target transformer;
and the judging module 204 is used for checking the short-circuit resistance of the target transformer according to the target short-circuit force and the target yield strength.
In one possible implementation, as shown in fig. 3, the present application provides a computer-readable storage medium 300 having stored thereon a computer program 311, which computer program 311, when executed by a processor, implements: acquiring fault wave recording data, oil surface temperature data and basic data of a target transformer, wherein the fault wave recording data comprise fault current data flowing through the target transformer when a circuit where the target transformer is located fails; determining a target yield strength of a wire within the target transformer based on the fault current data and the oil level temperature data; constructing a physical structure model of the target transformer based on the basic data, and acquiring a target short-circuit force of the target transformer; and checking the short-circuit resistance of the target transformer according to the target short-circuit force and the target yield strength.
In one possible implementation, as shown in fig. 4, the present embodiment provides a computer-readable storage medium 400, on which is stored a computer program 411, which computer program 411, when executed by a processor, implements: acquiring fault wave recording data, oil surface temperature data and basic data of a target transformer, wherein the fault wave recording data comprise fault current data flowing through the target transformer when a circuit where the target transformer is located fails; determining a target yield strength of a wire within the target transformer based on the fault current data and the oil level temperature data; constructing a physical structure model of the target transformer based on the basic data, and acquiring a target short-circuit force of the target transformer; and checking the short-circuit resistance of the target transformer according to the target short-circuit force and the target yield strength.
The computer storage media of embodiments of the invention may take the form of any combination of one or more computer-readable media. The computer readable medium may be a computer readable signal medium or a computer readable storage medium. The computer readable storage medium may be, for example, but not limited to: an electrical, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or a combination of any of the foregoing. More specific examples (a non-exhaustive list) of the computer-readable storage medium would include the following: an electrical connection having one or more wires, a portable computer diskette, a hard disk, a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a portable compact disc read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing. In this document, a computer readable storage medium may be any tangible medium that can contain, or store a program for use by or in connection with an instruction execution system, apparatus, or device.
The computer readable signal medium may include a propagated data signal with computer readable program code embodied therein, either in baseband or as part of a carrier wave. Such a propagated data signal may take any of a variety of forms, including, but not limited to, electro-magnetic, optical, or any suitable combination of the foregoing. A computer readable signal medium may also be any computer readable medium that is not a computer readable storage medium and that can communicate, propagate, or transport a program for use by or in connection with an instruction execution system, apparatus, or device.
Program code embodied on a computer readable medium may be transmitted using any appropriate medium, including but not limited to: wireless, wire, fiber optic cable, RF, etc., or any suitable combination of the foregoing.
Computer program code for carrying out operations of the present invention may be written in any combination of one or more programming languages, including an object oriented programming language such as Java, smalltalk, C ++ and conventional procedural programming languages, such as the "C" programming language or similar programming languages. The program code may execute entirely on the user's computer, partly on the user's computer, as a stand-alone software package, partly on the user's computer and partly on a remote computer or entirely on the remote computer or server. In the case of a remote computer, the remote computer may be connected to the user's computer through any kind of network, including a Local Area Network (LAN) or a Wide Area Network (WAN), or may be connected to an external computer (for example, through the Internet using an Internet service provider).
It will be appreciated by those of ordinary skill in the art that the modules or steps of the invention described above may be implemented in a general purpose computing device, they may be centralized on a single computing device, or distributed over a network of computing devices, or they may alternatively be implemented in program code executable by a computer device, such that they are stored in a memory device and executed by the computing device, or they may be separately fabricated as individual integrated circuit modules, or multiple modules or steps within them may be fabricated as a single integrated circuit module. Thus, the present invention is not limited to any specific combination of hardware and software.
Note that the above is only a preferred embodiment of the present invention and the technical principle applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of numerous obvious changes, rearrangements and substitutions without departing from the scope of the invention. Therefore, while the invention has been described in connection with the above embodiments, the invention is not limited to the embodiments, but may be embodied in many other equivalent forms without departing from the spirit or scope of the invention, which is set forth in the following claims.
The foregoing disclosure is illustrative of the present invention and is not to be construed as limiting the scope of the invention, which is defined by the appended claims.
Claims (10)
1. The method for checking the short circuit resistance of the transformer is characterized by comprising the following steps of:
collecting fault wave recording data, oil surface temperature data and basic data of a target transformer;
determining the target yield strength of the lead in the target transformer according to the fault wave recording data and the oil surface temperature data;
constructing a physical structure model of the target transformer based on the basic data, and calculating a target short-circuit force of the target transformer;
and checking the short-circuit resistance of the target transformer according to the target short-circuit force and the target yield strength.
2. The method of checking the short circuit resistance of a transformer according to claim 1, further comprising, prior to said step of determining a target yield strength of a wire in said target transformer from said fault current data and said oil level temperature data:
acquiring attribute information of a wire in the target transformer, wherein the factory information comprises manufacturer information, model information, service life information and environment information;
selecting a target conductor based on attribute information of the conductor in the target transformer;
performing yield strength tests at different temperatures according to the target wire to obtain a yield meter of the target wire;
and taking the yield degree meter of the target conductor as a target yield degree meter of the conductor in the target transformer.
3. The method of checking the short circuit resistance of a transformer according to claim 2, wherein the step of determining the target yield strength of the conductor in the target transformer based on the fault current data and the oil level temperature data comprises:
determining a target temperature of a wire within the target transformer based on the fault current data and the oil level temperature data;
and determining the target yield strength of the lead in the target transformer according to the target temperature and the target yield degree table.
4. The method of checking short-circuit resistance of a transformer according to claim 1, wherein the step of constructing a physical structure model of the target transformer based on the basic data comprises:
and establishing a physical structure model of the target transformer according to the structural parameters of the coil, the iron core and the tapping switch of the target transformer.
5. The method of checking short-circuit resistance of a transformer according to claim 4, wherein the step of calculating a target short-circuit force of the target transformer comprises:
calculating a leakage magnetic field based on the physical structure model, and acquiring the radial force of each wire in each turn of wires in the target transformer;
and determining the target short-circuit force of the target transformer according to the radial force.
6. The method of checking short circuit resistance of a transformer according to claim 5, wherein the step of determining a target short circuit force of the target transformer according to the radial force comprises:
determining average annular stretching short-circuit force of the continuous, spiral and multi-layer windings and average annular compression short-circuit force of the continuous, spiral and multi-layer windings according to the radial force of each wire on the continuous, spiral and multi-layer windings;
determining the radial bending short-circuit force of the wires in the span between the stays or the cushion blocks according to the radial force of the wires in the span between the stays or the cushion blocks;
determining axial bending short-circuit force of the wires in the span between the radial cushion blocks according to the radial force of the wires in the span between the radial cushion blocks;
determining a maximum axial compression force acting on each solid winding according to the maximum radial force on each solid winding;
and taking the average annular stretching short-circuit force, the average annular compression short-circuit force, the wire radial bending short-circuit force, the wire axial bending short-circuit force and the maximum axial compression force as target short-circuit forces of the target transformer.
7. The method of checking short-circuit resistance of a transformer according to claim 1, wherein the step of checking the short-circuit resistance of the target transformer based on the target short-circuit force and the target yield strength comprises:
multiplying the target yield strength by a preset coefficient to obtain a criterion of the target short-circuit force;
and matching the criterion with the target short-circuit force to obtain the short-circuit resistance of the target transformer.
8. The utility model provides a transformer short circuit resistance capability verifying attachment which characterized in that includes:
the data acquisition module is used for acquiring fault wave recording data, oil surface temperature data and basic data of a target transformer, wherein the fault wave recording data comprise fault current data flowing through the target transformer when a circuit where the target transformer is located is in a fault state;
the determining module is used for determining the target yield strength of the lead in the target transformer according to the fault current data and the oil surface temperature data;
the calculation module is used for constructing a physical structure model of the target transformer based on the basic data and calculating the target short-circuit force of the target transformer;
and the judging module is used for checking the short-circuit resistance of the target transformer according to the target short-circuit force and the target yield strength.
9. An electronic device, comprising: a processor, a memory and a bus, the memory storing machine readable instructions executable by the processor, the processor and the memory in communication via the bus when the electronic device is running, the machine readable instructions when executed by the processor performing the steps of the transformer short circuit resistance checking method according to any one of claims 1 to 7.
10. A computer-readable storage medium, characterized in that the computer-readable storage medium has stored thereon a computer program which, when executed by a processor, performs the steps of the transformer short-circuit resistance checking method according to any one of claims 1 to 7.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116522739A (en) * | 2023-06-29 | 2023-08-01 | 南昌科晨电力试验研究有限公司 | Transformer short-circuit impact control method and system based on data analysis |
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2023
- 2023-02-10 CN CN202310110105.1A patent/CN115993556A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116522739A (en) * | 2023-06-29 | 2023-08-01 | 南昌科晨电力试验研究有限公司 | Transformer short-circuit impact control method and system based on data analysis |
| CN116522739B (en) * | 2023-06-29 | 2023-09-26 | 南昌科晨电力试验研究有限公司 | Transformer short-circuit impact control method and system based on data analysis |
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