CN113504426A - Device and method for testing inductive discharge anti-interference capability of intelligent equipotential operation equipment - Google Patents
Device and method for testing inductive discharge anti-interference capability of intelligent equipotential operation equipment Download PDFInfo
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Abstract
The invention discloses a device, a method and a system for testing the inductive discharge immunity of intelligent equipotential operation equipment, wherein the method comprises the following steps: acquiring first arc discharge currents of intelligent equipotential operation equipment with different sizes under different ground capacitance, arc length and working voltage conditions; fitting according to the first arc discharge current to determine an arc discharge current fitting formula; according to an arc discharge current fitting formula, calculating second arc discharge current of the target intelligent equipotential operation equipment under the conditions of preset working voltage, different ground capacitances and different arc lengths; calculating a first capacitance according to the maximum second arc discharge current; and adjusting the capacitor of the adjustable capacitor to be a first capacitor, adjusting the voltage output by the test transformer to be a preset voltage so as to perform induction discharge immunity test, and determining the induction discharge immunity of the target intelligent equipotential operation equipment according to the working state of the target intelligent equipotential operation equipment.
Description
Technical Field
The invention relates to the technical field of electromagnetic compatibility of power transmission and transformation engineering, in particular to a device and a method for testing the anti-interference capability of inductive discharge of intelligent equipotential operation equipment.
Background
When the intelligent equipotential operation equipment is in operation, the intelligent equipotential operation equipment is usually sent into an equipotential through an equipotential transmission device, when the intelligent equipotential operation equipment enters or exits the equipotential, inductive discharge exists between the metal parts of the transmission device and the intelligent equipotential operation equipment and a conducting wire, electric arc discharge generates broadband current pulses and generates a fiercely-changing electromagnetic field in space, and misoperation, refusal operation and even burning of electric components of the intelligent equipotential operation equipment are often caused. The higher the voltage level is, the stronger the interference generated by arc discharge is, which becomes one of the difficulties in limiting the popularization and application of the intelligent electric equipotential operation equipment. The existing electromagnetic protection measures lack pertinence, and the electromagnetic compatibility standard of the intelligent equipotential operation equipment does not have detection items for inductive discharge, so that the intelligent equipotential operation equipment often encounters an electromagnetic interference problem in actual work and normal operation is influenced.
Disclosure of Invention
The invention provides a device, a method and a system for testing the inductive discharge immunity of intelligent equipotential operation equipment, and aims to solve the problem of how to test the inductive discharge immunity of the intelligent equipotential operation equipment.
In order to solve the above problem, according to an aspect of the present invention, there is provided an apparatus for testing an inductive discharge immunity of intelligent equipotential operating equipment, the apparatus including: the device comprises voltage capacitance control equipment, a test transformer, an insulating support, an adjustable capacitor and an insulating base; wherein,
the voltage capacitance control equipment is respectively connected with the test transformer and the adjustable capacitor and is used for controlling the high-voltage signal transmitted by the test transformer and the capacitance value of the adjustable capacitor;
the test transformer is connected with the bus and used for outputting the high-voltage signal to the bus so as to enable the bus and the intelligent equipotential operation equipment to generate electric arcs;
the insulating support column is connected with the bus and used for supporting the bus;
the insulating base is used for enabling the intelligent equipotential operation equipment to be in a suspension potential state;
the adjustable capacitor is connected with the intelligent equipotential operation equipment, and the arc discharge current is adjusted by controlling the capacitance value of the adjustable capacitor.
Preferably, wherein the apparatus further comprises:
and the voltage divider is respectively connected with the test transformer and the voltage capacitance control equipment and used for dividing the high-voltage signal output by the test transformer into a low-voltage signal and inputting the low-voltage signal to the voltage capacitance control equipment, so that the voltage capacitance control equipment calibrates the high-voltage signal output by the test transformer according to the low-voltage signal.
Preferably, wherein the apparatus further comprises: a conductor conditioning device and a conductor; wherein,
the conductor is connected with the bus, and the bus generates electric arc with the intelligent equipotential operation equipment through the conductor;
the conductor adjusting device is arranged on the insulating support and used for adjusting the length of the electric arc between the conductor and the intelligent equipotential operation equipment.
According to another aspect of the present invention, there is provided a method for testing an inductive discharge immunity of intelligent equipotential operating equipment, the method including:
acquiring first arc discharge currents of intelligent equipotential operation equipment with different sizes under different ground capacitance, arc length and working voltage conditions;
fitting according to the obtained first arc discharge current of the intelligent equipotential operation equipment with different sizes under different ground capacitance, arc length and working voltage conditions to determine an arc discharge current fitting formula;
according to the arc discharge current fitting formula, calculating second arc discharge current of the target intelligent equipotential operation equipment under the conditions of preset working voltage, different ground capacitances and different arc lengths;
calculating a first capacitor of an adjustable capacitor in the induction discharge immunity testing device according to the maximum second arc discharge current and the preset voltage output by the testing transformer;
and utilizing the inductive discharge immunity testing device to perform inductive discharge immunity testing according to the first capacitor and a preset voltage, acquiring the working state of the target intelligent equipotential operation equipment, and determining the inductive discharge immunity of the target intelligent equipotential operation equipment according to the working state of the target intelligent equipotential operation equipment.
Preferably, wherein said arc discharge current fitting formula comprises:
wherein,
is an arc discharge current;
the capacitance to ground of the intelligent equipotential operation equipment is obtained; d is the arc length;
working voltage of intelligent equipotential operation equipment;
are all fitting coefficients.
Preferably, the calculating a first capacitance of an adjustable capacitance in the inductive discharge immunity testing apparatus according to the maximum second arc discharge current and a preset voltage output by the test transformer includes:
wherein,
a first capacitor which is an adjustable capacitor;
a preset voltage is output for the test transformer;
a second arc discharge current that is maximum; j represents a complex number;
is the angular frequency.
Preferably, the determining, according to the working state of the target intelligent equipotential operating device, the induced discharge immunity of the target intelligent equipotential operating device includes:
if the working state of the intelligent equipotential operation equipment is a normal state, determining that the inductive discharge immunity of the target intelligent equipotential operation equipment is in a first level;
if the working state of the intelligent equipotential operating equipment is performance reduction and can be recovered to a normal state after interference elimination, determining a second level of the inductive discharge immunity of the target intelligent equipotential operating equipment;
if the working state of the intelligent equipotential operating equipment is performance reduction and cannot be recovered to a normal state after interference elimination, determining that the inductive discharge immunity of the target intelligent equipotential operating equipment is in a third level;
and if the working state of the intelligent equipotential operation equipment is the non-working state, determining that the inductive discharge immunity of the target intelligent equipotential operation equipment is in a fourth grade.
Preferably, wherein the method further comprises:
and regulating the voltage output by the test transformer and the capacitance value of the adjustable capacitor by using voltage capacitance control equipment.
Preferably, wherein the method further comprises:
dividing the high-voltage signal output by the test transformer into a low-voltage signal by using a voltage divider;
and calibrating the high-voltage signal output by the test transformer according to the low-voltage signal by using the voltage capacitance control equipment, so that the voltage of the high-voltage signal output by the test transformer is the preset voltage.
According to another aspect of the present invention, there is provided an inductive discharge immunity test system for intelligent equipotential operating equipment, the system including:
the first arc discharge current acquisition unit is used for acquiring first arc discharge currents of intelligent equipotential operation equipment with different sizes under different ground capacitance, arc length and working voltage conditions;
the fitting unit is used for fitting according to the obtained first arc discharge current of the intelligent equipotential operation equipment with different sizes under different ground capacitance, arc length and working voltage conditions so as to determine an arc discharge current fitting formula;
the second arc discharge current calculation unit is used for calculating second arc discharge current of the target intelligent equipotential operation equipment under the conditions of preset working voltage, different ground capacitances and different arc lengths according to the arc discharge current fitting formula;
the first capacitance calculating unit is used for calculating a first capacitance of an adjustable capacitor in the induction discharge immunity testing device according to the maximum second arc discharge current and the preset voltage output by the testing transformer;
and the test unit is used for carrying out induction discharge immunity test according to the first capacitor and a preset voltage by using the induction discharge immunity test device, acquiring the working state of the target intelligent equipotential operation equipment, and determining the induction discharge immunity of the target intelligent equipotential operation equipment according to the working state of the target intelligent equipotential operation equipment.
Preferably, wherein at the fitting unit, the arc discharge current fitting formula includes:
wherein,
is an arc discharge current;
the capacitance to ground of the intelligent equipotential operation equipment is obtained; d is the arc length;
working voltage of intelligent equipotential operation equipment;
are all fitting coefficients.
Preferably, the first capacitance calculating unit calculates a first capacitance of an adjustable capacitance in the inductive discharge immunity testing apparatus according to the maximum second arc discharge current and a preset voltage output by the test transformer, and includes:
wherein,
a first capacitor which is an adjustable capacitor;
a preset voltage is output for the test transformer;
a second arc discharge current that is maximum; j represents a complex number;
is the angular frequency.
Preferably, the determining, by the testing unit, the induced discharge immunity of the target intelligent equipotential operating device according to the working state of the target intelligent equipotential operating device includes:
if the working state of the intelligent equipotential operation equipment is a normal state, determining that the inductive discharge immunity of the target intelligent equipotential operation equipment is in a first level;
if the working state of the intelligent equipotential operating equipment is performance reduction and can be recovered to a normal state after interference elimination, determining a second level of the inductive discharge immunity of the target intelligent equipotential operating equipment;
if the working state of the intelligent equipotential operating equipment is performance reduction and cannot be recovered to a normal state after interference elimination, determining that the inductive discharge immunity of the target intelligent equipotential operating equipment is in a third level;
and if the working state of the intelligent equipotential operation equipment is the non-working state, determining that the inductive discharge immunity of the target intelligent equipotential operation equipment is in a fourth grade.
Preferably, wherein the system further comprises:
and the adjusting unit is used for adjusting the voltage output by the test transformer and the capacitance value of the adjustable capacitor by using the voltage capacitance control equipment.
Preferably, wherein the system further comprises:
and the signal calibration unit is used for dividing the high-voltage signal output by the test transformer into a low-voltage signal by using the voltage divider, and calibrating the high-voltage signal output by the test transformer according to the low-voltage signal by using the voltage capacitance control equipment, so that the voltage of the high-voltage signal output by the test transformer is the preset voltage.
The invention provides a device for testing the anti-interference capability of induction discharge of intelligent equipotential operation equipment, which comprises: the testing transformer, the voltage divider, the first insulating support column, the second insulating support column and the adjustable capacitor can safely and accurately simulate the working environment of the intelligent equipotential operation equipment by adjusting the voltage of the testing transformer and the capacitance of the adjustable capacitor, so that support is provided for the inductive discharge anti-interference capability test of the intelligent equipotential operation equipment. The invention also provides a method and a system for testing the inductive discharge immunity of the intelligent equipotential operation equipment, wherein the method comprises the following steps: determining an arc discharge current fitting formula, determining a first capacitor according to the arc discharge current fitting formula, adjusting the capacitor of an adjustable capacitor to be the first capacitor, adjusting the voltage output by a test transformer to be a preset voltage so as to perform an inductive discharge immunity test, and determining the inductive discharge immunity of the target intelligent equipotential operation equipment according to the working state of the target intelligent equipotential operation equipment; the method can provide a solution for the detection that the current intelligent equipotential operation equipment lacks induction discharge electromagnetic interference, can ensure that the intelligent equipotential operation equipment cannot be mistakenly moved, refused to be moved or even damaged in practical application due to the electromagnetic interference problem, and is simple and convenient to operate.
Drawings
A more complete understanding of exemplary embodiments of the present invention may be had by reference to the following drawings in which:
fig. 1 is a schematic structural diagram of an inductive discharge immunity testing apparatus 100 of intelligent equipotential working equipment according to an embodiment of the present invention;
fig. 2 is an exemplary diagram of an inductive discharge immunity testing apparatus of intelligent equipotential operating equipment according to an embodiment of the present invention;
fig. 3 is a flowchart of an inductive discharge immunity testing method 300 for intelligent equipotential operating equipment according to an embodiment of the present invention;
fig. 4 is a schematic diagram of inductive discharge of intelligent equipotential operating equipment based on a conventional inductive discharge immunity testing device;
FIG. 5 is a schematic diagram of calculating a ground capacitance of an intelligent equipotential operating device according to an embodiment of the present invention;
fig. 6 is a schematic diagram of inductive discharge of intelligent equipotential operating equipment of an inductive discharge immunity testing apparatus according to an embodiment of the present invention;
fig. 7 is a schematic structural diagram of an inductive discharge immunity testing system 700 of intelligent equipotential working equipment according to an embodiment of the present invention.
Detailed Description
The exemplary embodiments of the present invention will now be described with reference to the accompanying drawings, however, the present invention may be embodied in many different forms and is not limited to the embodiments described herein, which are provided for complete and complete disclosure of the present invention and to fully convey the scope of the present invention to those skilled in the art. The terminology used in the exemplary embodiments illustrated in the accompanying drawings is not intended to be limiting of the invention. In the drawings, the same units/elements are denoted by the same reference numerals.
Unless otherwise defined, terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. Further, it will be understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the relevant art and will not be interpreted in an idealized or overly formal sense.
Fig. 1 is a schematic structural diagram of an apparatus 100 for testing an inductive discharge immunity of intelligent equipotential operating equipment according to an embodiment of the present invention. As shown in fig. 1, the apparatus for testing the inductive discharge immunity of the intelligent equipotential operating device according to the embodiment of the present invention can quickly and efficiently test the inductive discharge immunity of the intelligent equipotential operating device. The device for testing the inductive discharge immunity of the intelligent equipotential operation equipment provided by the embodiment of the invention comprises: voltage capacitance control device 101, test transformer 102, insulating support 103, adjustable capacitor 104 and insulating base 105.
Preferably, the voltage capacitance control device 101 is respectively connected to the test transformer and the adjustable capacitor, and is configured to control the high-voltage signal output by the test transformer and the capacitance value of the adjustable capacitor.
Preferably, the test transformer 102 is connected to a bus, and is configured to output the high-voltage signal to the bus, so that the bus and the intelligent equipotential working device generate an arc.
Preferably, the insulating support 103 is connected to the bus bar for supporting the bus bar.
Preferably, the adjustable capacitor 104 is connected to the intelligent equipotential working device, and adjusts the arc discharge current by controlling a capacitance value of the adjustable capacitor.
Preferably, the insulating base 105 is used for enabling the intelligent equipotential operating equipment to be in a floating potential state.
Preferably, wherein the apparatus further comprises:
and the voltage divider is respectively connected with the test transformer and the voltage capacitance control equipment and used for dividing the high-voltage signal output by the test transformer into a low-voltage signal and inputting the low-voltage signal to the voltage capacitance control equipment, so that the voltage capacitance control equipment calibrates the high-voltage signal output by the test transformer according to the low-voltage signal.
Preferably, wherein the apparatus further comprises: a conductor conditioning device and a conductor; wherein,
the conductor is connected with the bus, and the bus generates electric arc with the intelligent equipotential operation equipment through the conductor;
the conductor adjusting device is arranged on the insulating support and used for adjusting the length of the electric arc between the conductor and the intelligent equipotential operation equipment.
Fig. 2 is a diagram illustrating an example of an apparatus for testing an inductive discharge immunity of an intelligent equipotential operating device according to an embodiment of the present invention. As shown in fig. 2, the apparatus includes: the device comprises voltage capacitance adjusting equipment, a test transformer, a voltage divider, an insulating support, an adjustable capacitor, a conductor adjusting device, a conductor and an insulating base. And the voltage capacitance control equipment is used for controlling the high-voltage signal transmitted by the test transformer and the capacitance value of the adjustable capacitor. The test transformer is used for outputting the high-voltage signal to the bus so that the bus and the intelligent equipotential operation equipment generate electric arcs. The insulating support is used for supporting the bus. The arc discharge current is adjusted by controlling the capacitance value of the adjustable capacitor. The insulating base is used for enabling the intelligent equipotential operation equipment to be in a suspension potential state. The voltage divider is used for dividing the high-voltage signal output by the test transformer into a low-voltage signal and inputting the low-voltage signal to the voltage capacitance control equipment, so that the voltage capacitance control equipment calibrates the high-voltage signal output by the test transformer according to the low-voltage signal. The bus generates electric arc with the intelligent equipotential operation equipment through the conductor. The conductor adjusting device is used for adjusting the length of an electric arc between the conductor and the intelligent equipotential operation equipment.
Because the model of intelligence equipotential operation equipment is different, for the convenience of connecting, can set up the terminal on insulating base, all be connected to the terminal with adjustable capacitor and intelligence equipotential operation equipment on to realize the electric connection of adjustable capacitor and intelligence equipotential operation equipment.
During testing, firstly, determining the voltage value of a high-voltage signal output by a testing transformer, the arc length d and the capacitance value of an adjustable capacitor; and then, the conductor adjusting device is used for adjusting the arc length, the voltage value of a high-voltage signal output by the test transformer is controlled by the voltage capacitance control equipment, the capacitance value of the adjustable capacitor is controlled by the voltage capacitance control equipment, so that the arc discharge current is measured by the current transformer arranged at the topmost end of the intelligent equipotential operation equipment and is sent to an oscilloscope by a coaxial cable, and the induction discharge anti-interference capability of the target intelligent equipotential operation equipment is tested according to the arc discharge current. In addition, because the high-voltage signal output by the experimental transformer has errors with the voltage signal set at the voltage capacitance control device, the high-voltage signal output by the experimental transformer is calibrated by using the voltage capacitance control device according to the signal output by the voltage divider, so that the high-voltage signal output by the experimental transformer meets the experimental requirements.
The live-line work has three modes of zero potential (or ground potential, both the tower and the ground are zero potential), intermediate potential and equipotential, and the ground potential refers to the operation of parts on a line which are remotely operated by people/equipment on the tower or the ground by using an insulating tool; the intermediate potential operation refers to the operation of people/equipment between the ground or a tower and a high-voltage wire; the equipotential operation is the operation of people/equipment on a high-voltage line (the potential is equal to the line potential).
The operation in-process of equipotential operation intelligence equipotential operation equipment can produce arc discharge to disturb the normal work of intelligence equipotential operation equipment, in order to examine intelligent equipotential operation equipment immunity ability, the simplest is to let intelligent equipotential operation equipment equipotential operation directly, see whether can normally work, but the manufacturer lacks this kind of environment, is difficult to realize. And secondly, the environment is realized by adopting a simulation method, the environment is consistent with the actual working condition of the intelligent equipotential operation equipment as much as possible, the simple method is to shorten and reduce the height of the conducting wire, so that the experiment can be carried out in a laboratory, the requirement is that the voltage of the conducting wire is consistent with the voltage of an actual line, and then the gap (distance) between the intelligent equipotential operation equipment and the conducting wire is adjusted, so that the discharging severity can be changed.
However, when the voltage of the line to be operated by the intelligent equipotential operating equipment is high, the laboratory is difficult to generate the high voltage, the voltage is high, the cost of the transformer is high, and the control of the test process is more complicated. The voltage is reduced, the discharge current can be reduced, and in order to keep the current unchanged, an adjustable capacitor is connected between the intelligent equipotential operation equipment and the ground, so that the current can be changed by adjusting the capacitor, and the current identical to the current in the actual environment is achieved. Of course, after the adjustable capacitor is added, the current of the transformer is increased, and the corresponding capacity is also increased. As for how to adjust the capacitance through the current, the current needs to be determined through a fitting formula, and as long as the working voltage and the size of the intelligent equipotential operation device are known (the capacitance to ground is mainly calculated), the current of the intelligent equipotential operation device at different gaps can be obtained according to the formula. After determining the current, a test voltage (20-50 kV) value is selected, which is optionally a determined value, but preferably close to 50kV, and then the capacitance value of the adjustable capacitor is obtained according to the calculation formula of the adjustable capacitor. The device can reduce the voltage of the test transformer and save the test cost by adding the adjustable capacitor.
Fig. 3 is a flowchart illustrating an inductive discharge immunity testing method 300 for intelligent equipotential operating equipment according to an embodiment of the present invention. As shown in fig. 3, an inductive discharge immunity test method 300 for intelligent equipotential operating equipment according to an embodiment of the present invention is implemented based on the inductive discharge immunity test apparatus for intelligent equipotential operating equipment shown in fig. 2, where the method starts at step 301, and first arc discharge currents of intelligent equipotential operating equipment with different sizes under different ground capacitances, arc lengths, and operating voltages are obtained at step 301.
In the invention, an inductive discharge model of the intelligent equipotential operation equipment is established based on the existing inductive discharge immunity testing device. Intelligence developmentThe equipotential operation equipment adopts an equipotential operation mode, the intelligent equipotential operation equipment gradually moves towards the high-voltage wire from the earth potential or the middle potential, and under the action of the electric field of the high-voltage transmission line, the metal part of the intelligent equipotential operation equipment induces charges, and the potential gradually rises. The earth capacitance of the intelligent equipotential operation equipment is C11And the mutual capacitance of the intelligent equipotential operation equipment and the lead is C12And the voltage between the conducting wire and the intelligent equipotential operation equipment is as follows:
wherein, UPThe working voltage of the intelligent equipotential operation equipment is the phase voltage of the lead.
The operation part of the intelligent equipotential operation equipment is mostly provided with a tip, and an air gap between the tip and a lead belongs to a non-uniform electric field air gap, when U is used12When the breakdown strength of the air gap is exceeded, arc discharge is generated between the conducting wire and the intelligent equipotential operation equipment, as shown in fig. 4 (b); the circuit of the arc discharge at the time of arc ignition is shown in fig. 4 (c). Intelligent equipotential operation equipment can be equivalent to an inductor LR、RR、CRAnd C11And a circuit composed of the same. During arcing, the intelligent equipotential operation equipment and the wire are close to the equipotential, discharging is stopped, an air gap still exists between the intelligent equipotential operation equipment and the wire at the moment, the intelligent equipotential operation equipment induces charges, the potential is determined by the graph 4 (a), and then arcing is performed. This process is repeated until the intelligent equipotential work apparatus is in contact with the conductor to reach an equipotential.
The arc discharge current during the alternating current induction discharge of the intelligent equipotential operation equipment is essentially due to the charge transfer between the conducting wire and the intelligent equipotential operation equipment, and the current of the arc discharge current is larger than the direct correlation with the ground capacitance of the intelligent equipotential operation equipment and the phase voltage of the conducting wire, so that in order to determine the relationship between the magnitude of the arc discharge current and the ground potential, the length of the arc and the working voltage, first arc discharge currents of intelligent equipotential operation equipment with different sizes under different conditions of the ground capacitance, the length of the arc and the working voltage need to be obtained.
In the invention, the existing arc discharge current measuring method is utilized to respectively measure the first arc discharge current of intelligent equipotential operation equipment with different sizes under the conditions of different ground capacitances, different arc lengths and different working voltages. For example, the data sets are {30pF, 3mm, 10kV, 28.6A } {40pF, 6mm, 20kV, 37.5A } {50pF, 12mm, 40kV, 61,1A } {60pF, 15mm, 50kV, 77.3A }, wherein the elements in each data set are sequentially capacitance to ground, arc length, operating voltage, first arc discharge current.
In the invention, because the intelligent equipotential operation equipment is in an irregular shape, the finite element method is adopted to calculate the earth capacitance, namely a metal part model of the intelligent equipotential operation equipment is established in finite element software, then the grids are divided, the earth capacitance of each grid is calculated, and the integral earth capacitance of the intelligent equipotential operation equipment is calculated according to the earth capacitance of each grid.
Wherein the capacitance to ground of each mesh is calculated based on the principle shown in fig. 5. As shown in fig. 5, the capacitance to ground of the metal ball is calculated by the formula:
at that time, the capacitance to ground formula is:
wherein,
the capacitance to ground of the intelligent equipotential operation equipment is obtained; h is the distance between the center point of the intelligent equipotential operation equipment and the ground; r is the equivalent radius of the intelligent equipotential operation equipment;
is the dielectric constant of air.
Therefore, the earth capacitance of the metal ball is related to the earth height h and the radius r of the metal ball.
In the present invention, although the shape of the intelligent equipotential operating equipment is irregular, the principle is the same as described above. For the earth capacitance of an object with an irregular shape, a numerical algorithm is generally adopted, and a finite element method is commonly used. The ground capacitance of the intelligent equipotential operation equipment is related to the height h to the ground and the size of the intelligent equipotential operation equipment.
In step 302, fitting is performed according to the obtained first arc discharge current of the intelligent equipotential operation equipment with different sizes under different ground capacitance, arc length and working voltage conditions, so as to determine an arc discharge current fitting formula.
Preferably, wherein said arc discharge current fitting formula comprises:
wherein,
is an arc discharge current;
the capacitance to ground of the intelligent equipotential operation equipment is obtained; d is the arc length;
working voltage of intelligent equipotential operation equipment;
are all fitting coefficients.
In the invention, the relationship of the size of the arc discharge current and the arc length with double exponentials is determined through the analysis of a plurality of test results, so that a formula is determined by fitting the obtained first arc discharge current of a plurality of groups of intelligent equipotential operation equipment with different sizes under different ground capacitances, arc lengths and working voltages:
wherein,
is an arc discharge current;
the capacitance to ground of the intelligent equipotential operation equipment is obtained; d is the arc length, namely the distance between the intelligent equipotential operating equipment and the lead, and the distance is in a range and is smaller;
the working voltage of the intelligent equipotential operation equipment is also the phase voltage of the lead;
are all fitting coefficients.
In the present invention, the values of the fitting coefficients after fitting are shown in table 1.
TABLE 1 fitting coefficient Table
| Statistics | Numerical value |
| β0 | 20.1410 |
| Β1 | 0.08380 |
| β2 | 0.0840 |
| β3 | 25.8040 |
In step 303, according to the arc discharge current fitting formula, a second arc discharge current of the target intelligent equipotential operating device under the conditions of a preset working voltage, different ground capacitances and different arc lengths is calculated.
According to the invention, the range of the capacitance to ground, the range of the arc length and the working voltage are determined according to the environment in which the target intelligent equipotential operating equipment needs to work. Then, a second arc discharge current is calculated for the same operating voltage, but different capacitances to ground and different arc lengths, according to a fitting equation.
In step 304, a first capacitance of an adjustable capacitor in the inductive discharge immunity testing apparatus is calculated according to the maximum second arc discharge current and a preset voltage output by the test transformer.
Preferably, the calculating a first capacitance of an adjustable capacitance in the inductive discharge immunity testing apparatus according to the maximum second arc discharge current and a preset voltage output by the test transformer includes:
wherein,
a first capacitor which is an adjustable capacitor;
a preset voltage is output for the test transformer;
a second arc discharge current that is maximum; j represents a complex number;
is the angular frequency.
The intelligent equipotential operation equipment and the tool move towards the conducting wire at a certain distance until the conducting wire is contacted, the process is called equipotential entering, and the opposite process is called equipotential exiting. In both processes, arcing occurs, thereby creating electromagnetic interference. The magnitude of this disturbance is measured primarily by the magnitude of the arc discharge current. The invention aims to check the anti-interference capability of intelligent equipotential operation equipment and tools when equipotential input and output is carried out, and if the interference of the maximum arc discharge current can be carried, the anti-interference requirement is met.
Therefore, in the present invention, after the second arc discharge current is determined, the first capacitance of the adjustable capacitance is calculated from the maximum second arc discharge current to perform the test based on the first capacitance.
In step 305, the inductive discharge immunity test device is utilized to perform an inductive discharge immunity test according to the first capacitor and a preset voltage, obtain a working state of the target intelligent equipotential operating device, and determine an inductive discharge immunity of the target intelligent equipotential operating device according to the working state of the target intelligent equipotential operating device.
Preferably, the determining, according to the working state of the target intelligent equipotential operating device, the induced discharge immunity of the target intelligent equipotential operating device includes:
if the working state of the intelligent equipotential operation equipment is a normal state, determining that the inductive discharge immunity of the target intelligent equipotential operation equipment is in a first level;
if the working state of the intelligent equipotential operating equipment is performance reduction and can be recovered to a normal state after interference elimination, determining a second level of the inductive discharge immunity of the target intelligent equipotential operating equipment;
if the working state of the intelligent equipotential operating equipment is performance reduction and cannot be recovered to a normal state after interference elimination, determining that the inductive discharge immunity of the target intelligent equipotential operating equipment is in a third level;
and if the working state of the intelligent equipotential operation equipment is the non-working state, determining that the inductive discharge immunity of the target intelligent equipotential operation equipment is in a fourth grade.
Preferably, wherein the method further comprises:
and regulating the voltage output by the test transformer and the capacitance value of the adjustable capacitor by using voltage capacitance control equipment.
Preferably, wherein the method further comprises:
dividing the high-voltage signal output by the test transformer into a low-voltage signal by using a voltage divider;
and calibrating the high-voltage signal output by the test transformer according to the low-voltage signal by using the voltage capacitance control equipment, so that the voltage of the high-voltage signal output by the test transformer is the preset voltage.
In the present invention, the test was performed using an inductive discharge immunity test apparatus as shown in fig. 2. The reference grounding plane is well connected with the ground, the output voltage of the test transformer is 50kV, the capacity is not less than 200kVA, the actual output can be adjusted between 0kV and 50kV, the optimum voltage is selected to be 50kV or 20kV to 50kV during testing, but the discharge cannot be realized when the voltage is lower than 10 kV. After the first capacitor is determined, the intelligent equipotential operation equipment is placed on the adjustable capacitor, the output voltage of the test transformer is adjusted to be preset voltage through the voltage regulator, the variable capacitor is adjusted to be the first capacitor of the adjustable capacitor through the control console, so that induction discharge anti-interference capability test is carried out, and the induction discharge anti-interference capability of the target intelligent equipotential operation equipment is determined according to the working state of the target intelligent equipotential operation equipment. The principle of testing by using the device of the invention is shown in fig. 6, and the difference from fig. 4 is that an adjustable capacitor is added, the voltage of the test transformer can be reduced, and the test cost is saved.
The immunity to electromagnetic compatibility or electromagnetic interference is generally classified into 4 classes, including: a first grade: no influence is caused, and the normal work is realized; a second stage: the performance is reduced, and the normal work can be automatically recovered after the interference is removed; third level: the performance is reduced, the recovery cannot be realized, and the recovery is realized after manual participation is needed; fourth level: and the device is damaged and cannot continue to work.
Therefore, in the present invention, if the working state of the intelligent equipotential operating device is a normal state, it is determined that the induced discharge immunity of the target intelligent equipotential operating device is in a first level; if the working state of the intelligent equipotential operating equipment is performance reduction and can be recovered to a normal state after interference elimination, determining a second level of the inductive discharge immunity of the target intelligent equipotential operating equipment; if the working state of the intelligent equipotential operating equipment is performance reduction and cannot be recovered to a normal state after interference elimination, determining that the inductive discharge immunity of the target intelligent equipotential operating equipment is in a third level; and if the working state of the intelligent equipotential operation equipment is the non-working state, determining that the inductive discharge immunity of the target intelligent equipotential operation equipment is in a fourth grade.
The method for testing the induction discharge immunity of the intelligent live-wire operation equipment can provide a solution for the lack of induction discharge electromagnetic interference detection of the current intelligent equipotential operation equipment, ensures that the intelligent equipotential operation equipment and the tool are not mistakenly operated, refused to operate or even damaged due to the electromagnetic interference problem in practical application, does not need a high-voltage-level test transformer and an insulating lifting platform, is simple and convenient to operate, tests the induction discharge immunity of the intelligent equipotential operation equipment and the tool through the method, and does not generate the electromagnetic interference phenomenon when the verified intelligent equipotential operation equipment operates on lines with corresponding voltage levels.
Fig. 7 is a schematic structural diagram of an inductive discharge immunity testing system 700 of intelligent equipotential working equipment according to an embodiment of the present invention. As shown in fig. 7, an inductive discharge immunity test system 700 for intelligent equipotential operating equipment according to an embodiment of the present invention includes: a first arc discharge current acquisition unit 701, a fitting unit 702, a second arc discharge current calculation unit 703, a first capacitance calculation unit 704, and a test unit 705.
Preferably, the first arc discharge current obtaining unit 701 is configured to obtain first arc discharge currents of intelligent equipotential working equipment with different sizes under different ground capacitances, arc lengths, and operating voltages.
Preferably, the fitting unit 702 is configured to perform fitting according to the obtained first arc discharge current of the intelligent equipotential operating device with different sizes under different ground capacitances, arc lengths, and operating voltages, so as to determine an arc discharge current fitting formula.
Preferably, in the fitting unit 702, the arc discharge current fitting formula includes:
wherein,
is an arc discharge current;
the capacitance to ground of the intelligent equipotential operation equipment is obtained; d is the arc length;
working voltage of intelligent equipotential operation equipment;
are all fitting coefficients.
Preferably, the second arc discharge current calculation unit 703 is configured to calculate, according to the arc discharge current fitting formula, a second arc discharge current of the target intelligent equipotential working device under the conditions of a preset working voltage, different ground capacitances, and different arc lengths.
Preferably, the first capacitance calculating unit 704 is configured to calculate a first capacitance of an adjustable capacitor in the inductive discharge immunity testing apparatus according to the maximum second arc discharge current and a preset voltage output by the test transformer.
Preferably, the calculating unit 704 calculates a first capacitance of an adjustable capacitor in the inductive discharge immunity testing apparatus according to the maximum second arc discharge current and a preset voltage output by the testing transformer, and includes:
wherein,
a first capacitor which is an adjustable capacitor;
a preset voltage is output for the test transformer;
a second arc discharge current that is maximum; j represents a complex number;
is the angular frequency.
Preferably, the testing unit 705 is configured to perform, by using the inductive discharge immunity testing apparatus, an inductive discharge immunity test according to the first capacitor and a preset voltage, obtain a working state of the target intelligent equipotential operating device, and determine the inductive discharge immunity of the target intelligent equipotential operating device according to the working state of the target intelligent equipotential operating device.
Preferably, the determining, by the testing unit 705, the inductive discharge immunity of the target intelligent equipotential operating device according to the operating state of the target intelligent equipotential operating device includes:
if the working state of the intelligent equipotential operation equipment is a normal state, determining that the inductive discharge immunity of the target intelligent equipotential operation equipment is in a first level;
if the working state of the intelligent equipotential operating equipment is performance reduction and can be recovered to a normal state after interference elimination, determining a second level of the inductive discharge immunity of the target intelligent equipotential operating equipment;
if the working state of the intelligent equipotential operating equipment is performance reduction and cannot be recovered to a normal state after interference elimination, determining that the inductive discharge immunity of the target intelligent equipotential operating equipment is in a third level;
and if the working state of the intelligent equipotential operation equipment is the non-working state, determining that the inductive discharge immunity of the target intelligent equipotential operation equipment is in a fourth grade.
Preferably, wherein the system further comprises:
and the adjusting unit is used for adjusting the voltage output by the test transformer and the capacitance value of the adjustable capacitor by using the voltage capacitance control equipment.
Preferably, wherein the system further comprises:
and the signal calibration unit is used for dividing the high-voltage signal output by the test transformer into a low-voltage signal by using the voltage divider, and calibrating the high-voltage signal output by the test transformer according to the low-voltage signal by using the voltage capacitance control equipment, so that the voltage of the high-voltage signal output by the test transformer is the preset voltage.
The system 700 for testing the inductive discharge immunity of the intelligent equipotential operating device according to the embodiment of the present invention corresponds to the method 300 for testing the inductive discharge immunity of the intelligent equipotential operating device according to another embodiment of the present invention, and will not be described herein again.
The invention has been described with reference to a few embodiments. However, other embodiments of the invention than the one disclosed above are equally possible within the scope of the invention, as would be apparent to a person skilled in the art from the appended patent claims.
Generally, all terms used in the claims are to be interpreted according to their ordinary meaning in the technical field, unless explicitly defined otherwise herein. All references to "a/an/the [ device, component, etc ]" are to be interpreted openly as referring to at least one instance of said device, component, etc., unless explicitly stated otherwise. The steps of any method disclosed herein do not have to be performed in the exact order disclosed, unless explicitly stated.
As will be appreciated by one skilled in the art, embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the above embodiments, those of ordinary skill in the art should understand that: modifications and equivalents may be made to the embodiments of the invention without departing from the spirit and scope of the invention, which is to be covered by the claims.
Claims (15)
1. The utility model provides an inductive discharge immunity testing arrangement of intelligence equipotential operation equipment which characterized in that, the device includes: the device comprises voltage capacitance control equipment, a test transformer, an insulating support, an adjustable capacitor and an insulating base; wherein,
the voltage capacitance control equipment is respectively connected with the test transformer and the adjustable capacitor and is used for controlling the high-voltage signal transmitted by the test transformer and the capacitance value of the adjustable capacitor;
the test transformer is connected with the bus and used for outputting the high-voltage signal to the bus so as to enable the bus and the intelligent equipotential operation equipment to generate electric arcs;
the insulating support column is connected with the bus and used for supporting the bus;
the insulating base is used for enabling the intelligent equipotential operation equipment to be in a suspension potential state;
the adjustable capacitor is connected with the intelligent equipotential operation equipment, and the arc discharge current is adjusted by controlling the capacitance value of the adjustable capacitor.
2. The apparatus of claim 1, further comprising:
and the voltage divider is respectively connected with the test transformer and the voltage capacitance control equipment and used for dividing the high-voltage signal output by the test transformer into a low-voltage signal and inputting the low-voltage signal to the voltage capacitance control equipment, so that the voltage capacitance control equipment calibrates the high-voltage signal output by the test transformer according to the low-voltage signal.
3. The apparatus of claim 1, further comprising: a conductor conditioning device and a conductor; wherein,
the conductor is connected with the bus, and the bus generates electric arc with the intelligent equipotential operation equipment through the conductor;
the conductor adjusting device is arranged on the insulating support and used for adjusting the length of the electric arc between the conductor and the intelligent equipotential operation equipment.
4. An induction discharge immunity test method for intelligent equipotential operation equipment is characterized by comprising the following steps:
acquiring first arc discharge currents of intelligent equipotential operation equipment with different sizes under different ground capacitance, arc length and working voltage conditions;
fitting according to the obtained first arc discharge current of the intelligent equipotential operation equipment with different sizes under different ground capacitance, arc length and working voltage conditions to determine an arc discharge current fitting formula;
according to the arc discharge current fitting formula, calculating second arc discharge current of the target intelligent equipotential operation equipment under the conditions of preset working voltage, different ground capacitances and different arc lengths;
calculating a first capacitor of an adjustable capacitor in the induction discharge immunity testing device according to the maximum second arc discharge current and the preset voltage output by the testing transformer;
and utilizing the inductive discharge immunity testing device to perform inductive discharge immunity testing according to the first capacitor and a preset voltage, acquiring the working state of the target intelligent equipotential operation equipment, and determining the inductive discharge immunity of the target intelligent equipotential operation equipment according to the working state of the target intelligent equipotential operation equipment.
5. The method of claim 4, wherein the arc discharge current fitting equation comprises:
wherein,
is an arc discharge current;
the capacitance to ground of the intelligent equipotential operation equipment is obtained; d is the arc length;
working voltage of intelligent equipotential operation equipment;
are all fitting coefficients.
6. The method of claim 4, wherein calculating the first capacitance of the adjustable capacitor in the inductive discharge immunity test apparatus according to the maximum second arc discharge current and the preset voltage output by the test transformer comprises:
wherein,
a first capacitor which is an adjustable capacitor;
a preset voltage is output for the test transformer;
a second arc discharge current that is maximum; j represents a complex number;
is the angular frequency.
7. The method according to claim 4, wherein said determining the inductive discharge immunity of the target intelligent equipotential operating device based on the operating state of the target intelligent equipotential operating device comprises:
if the working state of the intelligent equipotential operation equipment is a normal state, determining that the inductive discharge immunity of the target intelligent equipotential operation equipment is in a first level;
if the working state of the intelligent equipotential operating equipment is performance reduction and can be recovered to a normal state after interference elimination, determining a second level of the inductive discharge immunity of the target intelligent equipotential operating equipment;
if the working state of the intelligent equipotential operating equipment is performance reduction and cannot be recovered to a normal state after interference elimination, determining that the inductive discharge immunity of the target intelligent equipotential operating equipment is in a third level;
and if the working state of the intelligent equipotential operation equipment is the non-working state, determining that the inductive discharge immunity of the target intelligent equipotential operation equipment is in a fourth grade.
8. The method of claim 4, further comprising:
and adjusting the preset voltage output by the test transformer and the capacitance value of the adjustable capacitor by using voltage capacitance control equipment.
9. The method of claim 8, further comprising:
dividing the high-voltage signal output by the test transformer into a low-voltage signal by using a voltage divider;
and calibrating the high-voltage signal output by the test transformer according to the low-voltage signal by using the voltage capacitance control equipment, so that the voltage of the high-voltage signal output by the test transformer is the preset voltage.
10. An inductive discharge immunity test system of intelligent equipotential operating equipment, the system comprising:
the first arc discharge current acquisition unit is used for acquiring first arc discharge currents of intelligent equipotential operation equipment with different sizes under different ground capacitance, arc length and working voltage conditions;
the fitting unit is used for fitting according to the obtained first arc discharge current of the intelligent equipotential operation equipment with different sizes under different ground capacitance, arc length and working voltage conditions so as to determine an arc discharge current fitting formula;
the second arc discharge current calculation unit is used for calculating second arc discharge current of the target intelligent equipotential operation equipment under the conditions of preset working voltage, different ground capacitances and different arc lengths according to the arc discharge current fitting formula;
the first capacitance calculating unit is used for calculating a first capacitance of an adjustable capacitor in the induction discharge immunity testing device according to the maximum second arc discharge current and the preset voltage output by the testing transformer;
and the test unit is used for carrying out induction discharge immunity test according to the first capacitor and a preset voltage by using the induction discharge immunity test device, acquiring the working state of the target intelligent equipotential operation equipment, and determining the induction discharge immunity of the target intelligent equipotential operation equipment according to the working state of the target intelligent equipotential operation equipment.
11. The system of claim 10, wherein at the fitting unit, the arc discharge current fitting equation comprises:
wherein,
is an arc discharge current;
the capacitance to ground of the intelligent equipotential operation equipment is obtained; d is the arc length;
working voltage of intelligent equipotential operation equipment;
are all fitting coefficients.
12. The system of claim 10, wherein the first capacitance calculating unit calculates the first capacitance of the adjustable capacitor in the inductive discharge immunity testing apparatus according to the maximum second arc discharge current and the preset voltage output by the testing transformer, and comprises:
wherein,
a first capacitor which is an adjustable capacitor;
a preset voltage is output for the test transformer;
a second arc discharge current that is maximum; j represents a complex number;
is the angular frequency.
13. The system of claim 10, wherein the testing unit determining the inductive discharge immunity of the target intelligent equipotential operating device based on the operating state of the target intelligent equipotential operating device comprises:
if the working state of the intelligent equipotential operation equipment is a normal state, determining that the inductive discharge immunity of the target intelligent equipotential operation equipment is in a first level;
if the working state of the intelligent equipotential operating equipment is performance reduction and can be recovered to a normal state after interference elimination, determining a second level of the inductive discharge immunity of the target intelligent equipotential operating equipment;
if the working state of the intelligent equipotential operating equipment is performance reduction and cannot be recovered to a normal state after interference elimination, determining that the inductive discharge immunity of the target intelligent equipotential operating equipment is in a third level;
and if the working state of the intelligent equipotential operation equipment is the non-working state, determining that the inductive discharge immunity of the target intelligent equipotential operation equipment is in a fourth grade.
14. The system of claim 10, further comprising:
and the adjusting unit is used for adjusting the voltage output by the test transformer and the capacitance value of the adjustable capacitor by using the voltage capacitance control equipment.
15. The system of claim 14, further comprising:
and the signal calibration unit is used for dividing the high-voltage signal output by the test transformer into a low-voltage signal by using the voltage divider, and calibrating the high-voltage signal output by the test transformer according to the low-voltage signal by using the voltage capacitance control equipment, so that the voltage of the high-voltage signal output by the test transformer is the preset voltage.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118566625A (en) * | 2024-07-31 | 2024-08-30 | 中国电力科学研究院有限公司 | Method and device for testing anti-interference capability of live working electronic equipment |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1580294A (en) * | 2003-08-14 | 2005-02-16 | 姜英杰 | Pin axle electric spark surface strengthening process and electric spark strengthening apparatus |
| US20070159205A1 (en) * | 2006-01-11 | 2007-07-12 | Evan Grund | Circuit for minimizing or eliminating pulse anomalies in human body model electrostatic discharge tests |
| CN101242097A (en) * | 2008-03-11 | 2008-08-13 | 昆明理工大学 | Failure line selection method of small current ground system by using simulation after zero mode current measure |
| CN103301728A (en) * | 2013-06-17 | 2013-09-18 | 南京大学 | Device for treating malodorous gas based on capacitive coupling partition discharge plasma |
| CN103926468A (en) * | 2013-01-10 | 2014-07-16 | 深圳市金宏威技术股份有限公司 | Ground capacitance detection circuit for DC power system |
| US20170276716A1 (en) * | 2015-01-27 | 2017-09-28 | Crrc Qingdao Sifang Co., Ltd. | Detection method and system for pantograph arc based on train power supply system |
| CN108663575A (en) * | 2018-04-04 | 2018-10-16 | 中国人民解放军61489部队 | Large-scale shield low-frequency pulse high-intensity magnetic field shield effectiveness test system and test method |
| CN109193353A (en) * | 2018-09-28 | 2019-01-11 | 全球能源互联网研究院有限公司 | Electric arc generates equipment and with electrical contact material arc resistant ablation property evaluating method |
| CN110231550A (en) * | 2019-06-24 | 2019-09-13 | 广西电网有限责任公司电力科学研究院 | The experimental simulation device and method of gas insulated electric apparatus Arcing fault |
| CN110687370A (en) * | 2019-09-11 | 2020-01-14 | 中国电力科学研究院有限公司 | Method and device for testing induction discharge anti-interference capability of power transmission live working robot |
| CN110703007A (en) * | 2019-09-11 | 2020-01-17 | 中国电力科学研究院有限公司 | Method and device for testing inductive discharge immunity of distribution live working robot |
| CN210347838U (en) * | 2019-05-28 | 2020-04-17 | 上海同果智能科技有限公司 | Charge-discharge test system for capacitor |
| JP2021032737A (en) * | 2019-08-26 | 2021-03-01 | 龍城工業株式会社 | Arc discharge detection circuit and arc discharge detector having arc discharge detection circuit |
-
2021
- 2021-09-10 CN CN202111058833.XA patent/CN113504426B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1580294A (en) * | 2003-08-14 | 2005-02-16 | 姜英杰 | Pin axle electric spark surface strengthening process and electric spark strengthening apparatus |
| US20070159205A1 (en) * | 2006-01-11 | 2007-07-12 | Evan Grund | Circuit for minimizing or eliminating pulse anomalies in human body model electrostatic discharge tests |
| CN101242097A (en) * | 2008-03-11 | 2008-08-13 | 昆明理工大学 | Failure line selection method of small current ground system by using simulation after zero mode current measure |
| CN103926468A (en) * | 2013-01-10 | 2014-07-16 | 深圳市金宏威技术股份有限公司 | Ground capacitance detection circuit for DC power system |
| CN103301728A (en) * | 2013-06-17 | 2013-09-18 | 南京大学 | Device for treating malodorous gas based on capacitive coupling partition discharge plasma |
| US20170276716A1 (en) * | 2015-01-27 | 2017-09-28 | Crrc Qingdao Sifang Co., Ltd. | Detection method and system for pantograph arc based on train power supply system |
| CN108663575A (en) * | 2018-04-04 | 2018-10-16 | 中国人民解放军61489部队 | Large-scale shield low-frequency pulse high-intensity magnetic field shield effectiveness test system and test method |
| CN109193353A (en) * | 2018-09-28 | 2019-01-11 | 全球能源互联网研究院有限公司 | Electric arc generates equipment and with electrical contact material arc resistant ablation property evaluating method |
| CN210347838U (en) * | 2019-05-28 | 2020-04-17 | 上海同果智能科技有限公司 | Charge-discharge test system for capacitor |
| CN110231550A (en) * | 2019-06-24 | 2019-09-13 | 广西电网有限责任公司电力科学研究院 | The experimental simulation device and method of gas insulated electric apparatus Arcing fault |
| JP2021032737A (en) * | 2019-08-26 | 2021-03-01 | 龍城工業株式会社 | Arc discharge detection circuit and arc discharge detector having arc discharge detection circuit |
| CN110687370A (en) * | 2019-09-11 | 2020-01-14 | 中国电力科学研究院有限公司 | Method and device for testing induction discharge anti-interference capability of power transmission live working robot |
| CN110703007A (en) * | 2019-09-11 | 2020-01-17 | 中国电力科学研究院有限公司 | Method and device for testing inductive discharge immunity of distribution live working robot |
Non-Patent Citations (2)
| Title |
|---|
| HAO YANG ET.AL: "Study of the AC arc discharge characteristics over polluted insulation surface using optical emission spectroscopy", 《IEEE TRANSACTIONS ON DIELECTRICS AND ELECTRICAL INSULATION》 * |
| 李振华: "隔离开关电弧模型及对Rowgowski 线圈电流互感器的传导干扰研究", 《电力系统保护与控制》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118566625A (en) * | 2024-07-31 | 2024-08-30 | 中国电力科学研究院有限公司 | Method and device for testing anti-interference capability of live working electronic equipment |
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| Publication number | Publication date |
|---|---|
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