CN108107261A - Arrester dash current tests system - Google Patents
Arrester dash current tests system Download PDFInfo
- Publication number
- CN108107261A CN108107261A CN201711257731.4A CN201711257731A CN108107261A CN 108107261 A CN108107261 A CN 108107261A CN 201711257731 A CN201711257731 A CN 201711257731A CN 108107261 A CN108107261 A CN 108107261A
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- Prior art keywords
- arrester
- circuit
- dash current
- test
- main capacitor
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/25—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using digital measurement techniques
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Electric Properties And Detecting Electric Faults (AREA)
Abstract
The invention discloses a kind of arrester dash currents to test system.Wherein, which includes:Default arrester;Impulsive control circuit carries out dash current test for controlling to default arrester;Homophony ripple circuit, for adjusting the wave regulating resistor value and harmonic inductance value of dash current test, to determine the waveform running parameter of the corresponding impulse current waveform of each dash current.The present invention is solved in correlation technique since current waveform test equipment is complicated for operation, the technical issues of leading to not the dash current of Validity Test arrester.
Description
Technical field
The present invention relates to power test technical fields, and system is tested in particular to a kind of arrester dash current.
Background technology
In correlation technique, the use for arrester, including distribution arrester and building arrester, it is however generally that, take shelter from the thunder
Device can protect building or power distribution network to ensure equipment and the safety built, still, since arrester is to set from heavy current impact
Put in more open environment, with the propulsion of time, arrester can gradual aging, at this moment just need to detect arrester in time
State, understand its performance, but in correlation technique, there is no the scheme that the performance to arrester carries out Validity Test, especially
It is the scheme for the testing current of arrester, for example, to a variety of differences involved in the test of 10kV distribution arresters impact test
Impulse current waveform, when detecting, there is no suitable scheme in correlation technique, and in correlation technique current waveform survey
Examination equipment investment is big, and floor space is wide, complicated for operation, and effectively the dash current performance of arrester can not be tested.
For, since current waveform test equipment is complicated for operation, leading to not Validity Test in above-mentioned correlation technique and take shelter from the thunder
The technical issues of dash current of device, currently no effective solution has been proposed.
The content of the invention
An embodiment of the present invention provides a kind of arrester dash current test system, at least solve in correlation technique due to
Current waveform test equipment is complicated for operation, the technical issues of leading to not the dash current of Validity Test arrester.
One side according to embodiments of the present invention provides a kind of arrester dash current test system, including:It is default
Arrester;Impulsive control circuit carries out dash current test for controlling to the default arrester;Homophony ripple circuit, is used for
The wave regulating resistor value and harmonic inductance value of dash current test are adjusted, to determine the corresponding impulse current waveform of each dash current
Waveform running parameter.
Further, the system also includes:High direct voltage charge circuit, for charging to main capacitor topological circuit;
The main capacitor topological circuit, for according to each dash current, exporting corresponding capacitance.
Further, the system also includes:Discharge loop is connected with the impulsive control circuit, for passing through photoelectricity
The high-voltage pulse form of isolation discharges to major loop.
Further, the impulsive control circuit includes:Universal logic module PLC, for controlling the direct current
High-voltage charging circuit is charged to the main capacitor topological circuit, and the discharge loop is controlled to discharge.
Further, the high direct voltage charge circuit is electric to main capacitor topology by controllable function charging modes
It charges on road.
Further, the high direct voltage charge circuit output DC voltage, which is less than, is equal to 200KV.
Further, the main capacitor topological circuit is by multiple connection in series-parallel circuits of predetermined capacitive device, described in adjustment
The Parameters variation of the capacitance of predetermined capacitive device.
Further, the homophony ripple circuit includes:Output resistance, for exporting wave regulating resistor;Outputting inductance, for defeated
Go out harmonic inductance.
Further, the impulse current waveform is one of the following:1/20μs;4/10μs;8/20μs;30/80μs.
Further, the default arrester is 10KV distribution arresters.
In embodiments of the present invention, by above-mentioned test system, it can realize and utilize impulsive control circuit 12 and homophony ripple
Circuit 13 carries out dash current test to default control, and determines the ripple of the corresponding impulse current waveform of each dash current
Shape running parameter.In this embodiment it is possible to carry out dash current test to arrester using corresponding circuit, and then solve phase
Since current waveform test equipment is complicated for operation in the technology of pass, the technology for leading to not the dash current of Validity Test arrester is asked
Topic.
Description of the drawings
Attached drawing described herein is used for providing a further understanding of the present invention, forms the part of the application, this hair
Bright schematic description and description does not constitute improper limitations of the present invention for explaining the present invention.In the accompanying drawings:
Fig. 1 is a kind of schematic diagram of arrester dash current test system according to embodiments of the present invention;
Fig. 2 is the schematic diagram of another arrester dash current test system according to embodiments of the present invention;
Fig. 3 is a kind of schematic diagram of arrester dash current test result according to embodiments of the present invention.
Specific embodiment
In order to which those skilled in the art is made to more fully understand the present invention program, below in conjunction in the embodiment of the present invention
The technical solution in the embodiment of the present invention is clearly and completely described in attached drawing, it is clear that described embodiment is only
The embodiment of a part of the invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill people
Member's all other embodiments obtained without making creative work should all belong to the model that the present invention protects
It encloses.
It should be noted that term " first " in description and claims of this specification and above-mentioned attached drawing, "
Two " etc. be the object for distinguishing similar, without being used to describe specific order or precedence.It should be appreciated that it so uses
Data can exchange in the appropriate case, so as to the embodiment of the present invention described herein can with except illustrating herein or
Order beyond those of description is implemented.In addition, term " comprising " and " having " and their any deformation, it is intended that cover
Cover it is non-exclusive include, be not necessarily limited to for example, containing the process of series of steps or unit, method, system, product or equipment
Those steps or unit clearly listed, but may include not list clearly or for these processes, method, product
Or the intrinsic other steps of equipment or unit.
Following embodiment can be applied in various arrester dash current test systems, wherein, the present invention is for lightning-arrest
The concrete type of device does not limit, for example, valve-type arrester, tube type arrester, Zinc-Oxide Arrester etc., in addition, the present invention is right
It is not also limited in the quantity of the arrester of test, can be that user needs the arrester tested according to actual conditions selection, and
Can be a variety of environment for the use environment of arrester, for example, high buildings and large mansions installation arrester or high pressure match somebody with somebody
The arrester of power grid equally can also be the arrester that ordinarily resident user uses, can effectively be taken shelter from the thunder by arrester, reduce
Thunder cold danger, certainly, for the specifically used environment of arrester, can make what user determined according to the use environment of itself.This
Can dash current test be carried out with the arrester of emphasis mesohigh power distribution network in inventive embodiments.In correlation technique, lack to keeping away
The scheme that the performance of thunder device is detected also is a lack of related art scheme, not for the dash current test of arrester
The test system of relative maturity, following embodiments can utilize multiple test circuits to the impact resistance electric current of arrester in the present invention
Conscientious test.
With reference to preferred embodiment, the present invention will be described, and Fig. 1 is that one kind according to embodiments of the present invention is kept away
Thunder device dash current tests the schematic diagram of system, as shown in Figure 1, the system can include:Default arrester 11;Impulsive control returns
Road 12 carries out dash current test for controlling to default arrester;Homophony ripple circuit 13, for adjusting dash current test
Wave regulating resistor value and harmonic inductance value, to determine the waveform running parameter of the corresponding impulse current waveform of each dash current.
By above-mentioned test system, can realize using impulsive control circuit 12 and homophony ripple circuit 13 to default control into
Row dash current is tested, and determines the waveform running parameter of the corresponding impulse current waveform of each dash current.In the reality
It applies in example, dash current test can be carried out to arrester using corresponding circuit, and then solved in correlation technique due to electric current
Waveform testing equipment operation is complicated, the technical issues of leading to not the dash current of Validity Test arrester.
Wherein, can be the type of the arrester selected according to actual conditions habit, for lightning-arrest for presetting arrester
The basic parameter of device can do a record, and in order to which subsequent contrast analyzes, the basic parameter of the arrester can be entered oneself for the examination:It is lightning-arrest
The installation site information of device, the nameplate of arrester, the anti-current of arrester impact basic parameter etc..
Above-mentioned impulsive control circuit is the control module that control carries out dash current test, controls the conscientious punching of other modules
Testing current is hit, and wave regulating resistor value and the harmonic inductance value that dash current is tested can be adjusted by homophony ripple circuit, with
Determine the waveform running parameter of the corresponding impulse current waveform of each dash current.
In addition, above system can also include:High direct voltage charge circuit, for charging to main capacitor topological circuit;
Main capacitor topological circuit, for according to each dash current, exporting corresponding capacitance.
Wherein, system further includes:Discharge loop is connected with impulsive control circuit, for passing through the high-tension pulse of Phototube Coupling
Form is rushed to discharge to major loop.
It should be noted that above-mentioned impulsive control circuit includes:Universal logic module PLC is straight for controlling
It flows high-voltage charging circuit to charge to main capacitor topological circuit, and discharge loop is controlled to discharge.
Optionally, high direct voltage charge circuit is charged by controllable function charging modes to main capacitor topological circuit.
For the embodiment of the present invention, high direct voltage charge circuit output DC voltage, which is less than, is equal to 200KV.
In addition, multiple connection in series-parallel circuits of the main capacitor topological circuit by predetermined capacitive device, adjustment predetermined capacitive device
The Parameters variation of capacitance.
Optionally, homophony ripple circuit includes:Output resistance, for exporting wave regulating resistor;Outputting inductance, for exporting harmonic
Inductance.
It should be noted that impulse current waveform is one of the following:1/20μs;4/10μs;8/20μs;30/80μs.
Wherein, tested for impulse current waveform, test result can be using as shown in figure 3, vertical pivot be horizontal as electric current in Fig. 3
Axis is the time, wherein, waveform is I in maximum currentmax=339.2975KA, tr=3.8941 μ s, td=10.3937 μ s, ζ=
21.5356%, Q=2.4001C, W/R=799.8822KJ/ Ω.
Optionally, the default arrester in the embodiment of the present invention can be 10KV distribution arresters.
With reference to another embodiment, the present invention will be described.
Fig. 2 is the schematic diagram of another arrester dash current test system according to embodiments of the present invention, such as Fig. 2 institutes
Show, which can include:Dash current control loop 21, high direct voltage charge circuit 22, main capacitor topological circuit 23, tune
Ripple circuit 24, discharge loop 25.
Wherein, a variety of dash currents such as 1/20 μ s, 4/10 μ s, 8/20 μ s and 30/80 μ s are generated respectively in a set of equipment
Waveform, for arrester difference heavy impulse current waveform testing.
High direct voltage charge circuit 22 is controlled to main electricity using programmable logic controller (PLC) PLC for impulsive control circuit 21
Container topological circuit 23 charges, while discharge loop 25 is controlled to discharge, and can be by man-machine interface using touch
Screen carries out visualized operation, easy to operate, and operation interface is friendly.Control system and body are realized by optical fiber converter and optical fiber
Between electric isolation, control system is reliable and stable.
High direct voltage charge circuit 22 uses controllable function charging modes, realizes to steady to main capacitor topological circuit 23
Quick charge, 22 highest of high direct voltage charge circuit can export ± 200kV DC voltages, and positive-negative polarity, which is realized, to automatically switch.
Main capacitor topological circuit 23 realizes the change of 1-16 times of condenser capacity by the multiple connection in series-parallel of capacitor
Change, meet requirement of the different impulse current waveforms for primary capacitor amount, main capacitor topological circuit 23 is using special
Circuit topology form, realize capacitor change in tens microfarads between 1,000 microfarads, to meet different lightning current waveforms
Capacitance requirement to main capacitor, conversion are convenient and efficient.
Homophony ripple circuit 24 is mainly made of wave regulating resistor and harmonic inductance, the wave regulating resistor that each lightning current waveform needs
It is all different with harmonic inductance value, wave regulating resistor and harmonic inductance are realized easily and fast by unique loop structure design
Switching is into lightning current harmonic circuit.
Discharge loop 25 carries out ignition discharge by the high-voltage pulse form of Phototube Coupling to major loop, realizes lightning current wave
The generation of shape.
By above-described embodiment, a set of arrester heavy impulse current that is used for can be utilized to test Waveform Generator,
It is realized in a set of equipment and generates a variety of impulse current waveforms such as 1/20 μ s, 4/10 μ s, 8/20 μ s and 30/80 μ s, saved equipment
Overlapping investment, reduce occupation area of equipment, for lightning current effect analog and experiment provide new means.
The embodiments of the present invention are for illustration only, do not represent the quality of embodiment.
In the above embodiment of the present invention, all emphasize particularly on different fields to the description of each embodiment, do not have in some embodiment
The part of detailed description may refer to the associated description of other embodiment.
In several embodiments provided herein, it should be understood that disclosed technology contents can pass through others
Mode is realized.Wherein, the apparatus embodiments described above are merely exemplary, such as the division of the unit, Ke Yiwei
A kind of division of logic function, can there is an other dividing mode in actual implementation, for example, multiple units or component can combine or
Person is desirably integrated into another system or some features can be ignored or does not perform.Another, shown or discussed is mutual
Between coupling, direct-coupling or communication connection can be INDIRECT COUPLING or communication link by some interfaces, unit or module
It connects, can be electrical or other forms.
The unit illustrated as separating component may or may not be physically separate, be shown as unit
The component shown may or may not be physical location, you can be located at a place or can also be distributed to multiple
On unit.Some or all of unit therein can be selected to realize the purpose of this embodiment scheme according to the actual needs.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, it can also
That unit is individually physically present, can also two or more units integrate in a unit.Above-mentioned integrated list
The form that hardware had both may be employed in member is realized, can also be realized in the form of SFU software functional unit.
If the integrated unit is realized in the form of SFU software functional unit and is independent production marketing or use
When, it can be stored in a computer read/write memory medium.Based on such understanding, technical scheme is substantially
The part to contribute in other words to the prior art or all or part of the technical solution can be in the form of software products
It embodies, which is stored in a storage medium, is used including some instructions so that a computer
Equipment (can be personal computer, server or network equipment etc.) perform each embodiment the method for the present invention whole or
Part steps.And foregoing storage medium includes:USB flash disk, read-only memory (ROM, Read-Only Memory), arbitrary access are deposited
Reservoir (RAM, Random Access Memory), mobile hard disk, magnetic disc or CD etc. are various can to store program code
Medium.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (10)
1. a kind of arrester dash current tests system, which is characterized in that including:
Default arrester;
Impulsive control circuit carries out dash current test for controlling to the default arrester;
Homophony ripple circuit, for adjusting the wave regulating resistor value and harmonic inductance value of dash current test, to determine the electricity per Secondary Shocks
Flow the waveform running parameter of corresponding impulse current waveform.
2. system according to claim 1, which is characterized in that the system also includes:
High direct voltage charge circuit, for charging to main capacitor topological circuit;
The main capacitor topological circuit, for according to each dash current, exporting corresponding capacitance.
3. system according to claim 2, which is characterized in that the system also includes:
Discharge loop is connected with the impulsive control circuit, for pass through the high-voltage pulse form of Phototube Coupling to major loop into
Row electric discharge.
4. system according to claim 3, which is characterized in that the impulsive control circuit includes:Programmable logical controller
Module PLC for the high direct voltage charge circuit to be controlled to charge to the main capacitor topological circuit, and controls the electric discharge
It discharges in circuit.
5. system according to claim 2, which is characterized in that the high direct voltage charge circuit is charged by controllable function
Mode charges to the main capacitor topological circuit.
6. system according to claim 2, which is characterized in that the high direct voltage charge circuit output DC voltage is less than
Equal to 200KV.
7. system according to claim 2, which is characterized in that the main capacitor topological circuit passes through predetermined capacitive device
Multiple connection in series-parallel circuits adjust the Parameters variation of the capacitance of the predetermined capacitive device.
8. system according to claim 1, which is characterized in that the homophony ripple circuit includes:
Output resistance, for exporting wave regulating resistor;
Outputting inductance, for exporting harmonic inductance.
9. system according to claim 1, which is characterized in that the impulse current waveform is one of the following:
1/20μs;4/10μs;8/20μs;30/80μs.
10. system according to claim 1, which is characterized in that the default arrester is 10KV distribution arresters.
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CN201711257731.4A CN108107261A (en) | 2017-12-01 | 2017-12-01 | Arrester dash current tests system |
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CN201711257731.4A CN108107261A (en) | 2017-12-01 | 2017-12-01 | Arrester dash current tests system |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109298263A (en) * | 2018-10-22 | 2019-02-01 | 西安交通大学 | Arrester valve piece accelerated aging tester based on dc-couple impact power supply |
CN112557949A (en) * | 2020-11-30 | 2021-03-26 | 上海九志电气有限公司 | Burst short circuit test method based on power electronic high-power supply |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101598757A (en) * | 2009-07-14 | 2009-12-09 | 中国电力科学研究院 | A kind of controllable metal oxide arrester residual voltage test loop and method |
CN103308753A (en) * | 2013-05-16 | 2013-09-18 | 国家电网公司 | On-line overvoltage monitoring system based on switching surge current of lightning arrester |
CN105652075A (en) * | 2014-11-14 | 2016-06-08 | 三峡大学 | High voltage pole lightning conductor lightning impact current monitoring system |
CN205374569U (en) * | 2015-12-22 | 2016-07-06 | 海南电力技术研究院 | Impact current testing device |
CN106814683A (en) * | 2016-12-08 | 2017-06-09 | 国网北京市电力公司 | Waveform generator |
-
2017
- 2017-12-01 CN CN201711257731.4A patent/CN108107261A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101598757A (en) * | 2009-07-14 | 2009-12-09 | 中国电力科学研究院 | A kind of controllable metal oxide arrester residual voltage test loop and method |
CN103308753A (en) * | 2013-05-16 | 2013-09-18 | 国家电网公司 | On-line overvoltage monitoring system based on switching surge current of lightning arrester |
CN105652075A (en) * | 2014-11-14 | 2016-06-08 | 三峡大学 | High voltage pole lightning conductor lightning impact current monitoring system |
CN205374569U (en) * | 2015-12-22 | 2016-07-06 | 海南电力技术研究院 | Impact current testing device |
CN106814683A (en) * | 2016-12-08 | 2017-06-09 | 国网北京市电力公司 | Waveform generator |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109298263A (en) * | 2018-10-22 | 2019-02-01 | 西安交通大学 | Arrester valve piece accelerated aging tester based on dc-couple impact power supply |
CN112557949A (en) * | 2020-11-30 | 2021-03-26 | 上海九志电气有限公司 | Burst short circuit test method based on power electronic high-power supply |
CN112557949B (en) * | 2020-11-30 | 2024-04-02 | 上海九志电气有限公司 | Burst short circuit test method based on power electronic high-power supply |
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Application publication date: 20180601 |