CN108680777A - A kind of surge voltage generating means - Google Patents
A kind of surge voltage generating means Download PDFInfo
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- CN108680777A CN108680777A CN201810802505.8A CN201810802505A CN108680777A CN 108680777 A CN108680777 A CN 108680777A CN 201810802505 A CN201810802505 A CN 201810802505A CN 108680777 A CN108680777 A CN 108680777A
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- Prior art keywords
- voltage
- generating means
- surge voltage
- voltage generating
- spark
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/28—Provision in measuring instruments for reference values, e.g. standard voltage, standard waveform
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
- G01R31/1227—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials
Abstract
The invention discloses a kind of surge voltage generating means comprising host computer, ontology, DC high-voltage power supply, impact generating loop；The DC high-voltage power supply includes transformer, silicon stack and output end；The host computer is fixed on the body interior；It is characterized in that, the transformer and silicon stack are fixed on the body interior by the DC high-voltage power supply using enclosed construction, DC voltage is passed to the impact generating loop by the output end；The modular construction that is made of several grades of modules of structure of the impact generating loop, per level-one described in module fix and be together in series by supporting insulator and fixing bracket.By the technical program, the transferring over-voltage under high voltage environment can be improved, and its security performance can be improved.
Description
Technical field
The present invention relates to surge voltage field more particularly to a kind of surge voltage generating means.
Background technology
It is set forth below that background information related to the present invention is only provided, without inevitably constituting the prior art.
Electric system with mutual inductor be it is a kind of by power grid primary voltage/electric current be converted to 100/3V,And 100V
Secondary voltage or 5A, 1A secondary current special transformer, measured for the electrical energy measurement of power grid, voltage/current and after
Electric protection, first winding access power grid, and secondary winding is connect with measuring instrumentss, protective device etc. respectively, are that power train is unified
Secondary and secondary contact unit.Since electric system is in the process of running constantly by all kinds of overvoltage of thunder and lightning, operation etc.,
All kinds of overvoltage will be transferred to secondary winding by voltage/current mutual inductor, cause secondary device failure or damage, influence electricity
The safe operation of gas equipment.
In order to reduce harm of the transferring over-voltage to secondary device, GB/T20840.2《Mutual inductor part 2：Current Mutual Inductance
Part：The requirement of current transformer complementary technology》, GB/T20840.3《Mutual inductor third portion：Electromagnetic type presses mutual inductor complementary technology
It is required that》And GB/T20840.5《The 5th part of mutual inductor：Condenser type presses the requirement of mutual inductor complementary technology》Equal national Specifications
Voltage/current mutual inductor transferring over-voltage test method, it is desirable that by the impact with certain wave front time, wave rear time and amplitude
Wave is applied to voltage/current mutual inductor, the not super 1.6kV of limit of transferring over-voltage peak value, for open type substation pressure/
Current transformer, standard provide that the shock wave applied is A class shock waves, and voltage peak is(Um is
Highest voltage for equipment), wave front time is 0.50 × (1 ± 20%) μ s, and the μ of half time to peak >=50 s, this kind of shock wave, which can utilize, to be passed
The voltage generator of system is realized.And the voltage/current mutual inductor for being used in GIS, since meeting is by the express train speed of high frequency
Transient overvoltage (Very Fast Transient Overvoltage, VFTO), standard provide that the shock wave applied rushes for B classes
Wave is hit, voltage peak isWave front time be 10 × (1 ± 20%) ns, wave rear time ＞ 100ns,
Transferring over-voltage reference waveform is as shown in Figure 1, it is difficult to generate wavefront that traditional impulse voltage generator test loop inductance, which increases,
Time such short impact, the transferring over-voltage experiment for resulting in GIS voltage transformers at this stage are difficult real under high voltages
It is existing.
Invention content
For overcome the deficiencies in the prior art, the technical purpose realized of the present invention is to provide and a kind of can improve in high voltage
The surge voltage generating means of transferring over-voltage security performance under environment.
To reach above-mentioned technical purpose, the technical solution adopted in the present invention content is specific as follows：
A kind of surge voltage generating means comprising host computer, ontology, DC high-voltage power supply, impact generating loop；It is described
DC high-voltage power supply includes transformer, silicon stack and output end；The host computer is fixed on the body interior；It is characterized in that,
The transformer and silicon stack are fixed on the body interior, the output end by the DC high-voltage power supply using enclosed construction
DC voltage is passed into the impact generating loop；
The modular construction that the structure of the impact generating loop is made of several grades of modules, often module described in level-one is logical
It crosses supporting insulator and fixing bracket is fixed and is together in series；
Module includes described in per level-one：
High-voltage pulse capacitor；
Protective resistance or inductance；And
Charging resistor or inductance；
One end of the high-voltage pulse capacitor is a pole and the protective resistance or inductance connection by metal flange；Institute
It is a pole and the charging resistor or inductance connection that the other end of high-voltage pulse capacitor, which is stated, by metal flange.
To realize, transferring over-voltage inventors herein proposes above structure, more in the technical scheme under high voltage environment
Specifically, due to the structure of this programme so that the protective resistance or inductance in surge voltage generating means and high-voltage pulse capacitance
The buffer action that device generates can inhibit overvoltage, the transmission of overvoltage be realized, to reduce transferring over-voltage to secondary device
Harm, improve the safety of equipment.
It should be noted that the enclosed construction, corresponding with Open architecture, refer to that whole device uses metal can
Insulating gas is filled in formula enclosed construction, the inside.Device internal component can bear multiple vacuum under the structure and positive pressure turns repeatedly
It changes and without damage.
Further, the impact generating loop uses the reason of modular construction to be to make impulse electricity circuit structure pair
Claim, can reach and reduce the technique effect that device parasitic parameter influences.Modular construction is opened by impulse capacitor and igniting
The rational deployment of pass designs so that switch and capacitor form an entirety, then will by supporting insulator and fixing bracket
It fixes and is together in series per previous module.Closely, the connecting line between capacitor and switch is very short, can for the structure of the module
To effectively reduce discharge loop inductance and stray parameter, while the spacing between every level-one is also very small, in some embodiments
In about 20-30cm.
Preferably, the ontology is in pot type structure.
It is highly preferred that the inside of the ontology is filled with sulfur hexafluoride gas.
It should be noted that the ontology is arranged to pot type structure, for other structures, filled in pot type structure
SF6 gases, internal components are fixed by supporting insulator, insulation board and rigid structural, have size small, and line is short, mobile
More convenient, the advantages that contrast in technical performance is high, can be effectively performed shockproof, windproof, dust-proof, rain-proof and anti-aging easily beat
It sweeps, the technique effect of overall structure, compact beauty etc..
It should be noted that being the insulation performance of intensifier in the effect for being originally filled with sulfur hexafluoride gas.SF6
For heat eliminating medium, dielectric strength 8.9kV/mm is presently the most ideal using the gas isolated impulse voltage generators of SF6
Solution.SF6 has remarkable electric property, for that can have in surge voltage generating means as excellent insulator
Effect reduces insulation distance and volume needed for device, while SF6 gases have fire-retardant and explosion-proof characteristic, can reach small-sized light
Amount, the muting test requirements document of safety.
It is highly preferred that it further includes host computer, the host computer, DC high-voltage power supply and impact generating loop pass through support
Insulator, insulation board and rigid structural are fixed on the body interior.
It should be noted that above-mentioned component is fixed on the ontology by supporting insulator, insulation board and rigid structural
Internal effect is, shockproof, windproof, dust-proof, rain-proof and anti-aging is effectively performed, to improve the service life of equipment.
Preferably, DC voltage is passed to the impact generating loop by the output end by disc insulator.
It should be noted that the effect of the disc insulator is to keep impulse electricity circuit structure symmetrical, reduces device and post
Raw parameter influences.To meet Miniaturization Design requirement, have the function of reducing device volume.Modular construction passes through pulse electricity
The rational deployment of container and ignition switch designs so that switch and capacitor form an entirety, then pass through supporting insulator
It will be fixed and be together in series per previous module with fixing bracket.The structure of the module closely, capacitor and switch between
Connecting line is very short, can effectively reduce discharge loop inductance and stray parameter, while the spacing between every level-one is also very small,
It is about 20-30cm in some embodiments.
It is highly preferred that module described in per level-one further includes：
Wave regulating resistor；
The wave regulating resistor includes wavefront resistance and discharge resistance, and when surge voltage generating means action but test product is not
When electric discharge, whole energy expenditures of device are in discharge resistance；And when test product discharges, whole energy expenditures of device are discharging
In resistance and wavefront resistance.
It should be noted that in some embodiments, test product is capacitor.It is tried when surge voltage generating means acts
The product i.e. capacitor that do not discharge is in charged state, and test product electric discharge and capacitor it is fully charged after the process discharged.
It should be noted that in varied situations energy can play on the different parts avoid occur edge flashing, and
It can not consider to radiate with diameter by the length of Rational choice resistance wire, realize the surge voltage source of pulsation, and low-voltage is turned
It is melted into the technique effect of pulse high-voltage.
Further, further include spark sphere gap switch per previous module, the spark sphere gap switch is filled using multi-ignition
Set structure.
It should be noted that the spark sphere gap switch uses multi-pole ignition device structure, multi-pole ignition device structure to adopt
With forced-triggered mode, adjusted without carrying out ball gap spacing, it is easy to operate, improve the locking range of triggering.
Further, the spark sphere gap switch is two hollow balls；The material of the hollow ball is copper or aluminium.
It should be noted that the spark sphere gap switch uses hollow ball structure, it is equal its role is to which equipotential can be achieved
Even electric discharge and holding simultaneity.In addition, considering economical material and generality (easily obtaining) and its electric conductivity, machinery by force
The hollow ball of degree, weather resistance, price factor, typically copper or aluminium.
In some embodiments, the sphere diameter of the single hollow ball be not less than when full voltage charges two it is described hollow
Twice of ball separation distance, and the hollow ball segregated portion of the spark sphere gap switch in every previous module is in same hang down
On straight line.
It should be noted that the sphere diameter of the single hollow ball is not less than two hollow balls point when full voltage charges
Gauge from twice, can avoid corona, reduce spark gap voltage dispersibility to which net synchronization capability can be improved.Sphere diameter is logical
It is often dependant on maximum voltage value when charging.Sphere diameter should be made to be not less than two balls when full voltage charges and answer the 1~2 of separation distance
Times.
It should be noted that the hollow ball ball gap per the spark sphere gap switch in previous module be in it is same vertical
On line, two hollow sphere gaps (midpoint) in all spark sphere gap switches at different levels in this way, what when previous stage ball-gap discharge generated
Ultraviolet light can be irradiated to rear stage ball gap, promote its electric discharge, to improve net synchronization capability.
Further, the triggering mode of the spark sphere gap switch is abnormal by the three electrode field of low inductance of interior inflated with nitrogen
Become gas switch and realizes that the gas switch and extraneous gas are completely isolated.
It should be noted that using this structure, sulfur hexafluoride gas can be influenced to avoid because ignition discharge generates derivative
Insulation performance, to which ignition voltage and the spacing of completely isolated avoidable spark sphere gap switch occur fluctuating and surge voltage is sent out
The internal discharge phenomenon of generating apparatus.
Compared with prior art, the beneficial effects of the present invention are：
1, surge voltage generating means of the invention, the protective resistance or inductance in the apparatus structure and high-voltage pulse capacitance
The buffer action that device generates can inhibit overvoltage, the transmission of overvoltage be realized, to reduce transferring over-voltage to secondary device
Harm, improve the safety of equipment；Compared to traditional impulse voltage generator test loop, in big inductance test loop
Under the conditions of can still to generate wave front time be 10ns, the B class shock waves of wave rear time ＞ 100ns can meet 1000kV and following height
Voltage class GIS is tested with voltage/current transformer transferring over-voltage；
2, surge voltage generating means of the invention, whole device use canister enclosed construction, the inside filling insulation
Gas；Device internal component can bear multiple vacuum and positive pressure and convert repeatedly and without damage under the structure；Do not set out thread casing
Pot type structure does not set out thread casing and transitional cylinder, is directly connect with GIS with voltage/current transformer, test loop passes through metal
Flange shields, and further shortens circuit and reduces the influence of stray parameter；
3, the reason of surge voltage generating means of the invention, impact generating loop uses modular construction, is that punching is made to put
Electric circuit structure is symmetrical, can reach and reduce the technique effect that device parasitic parameter influences；
4, surge voltage generating means of the invention, is arranged to pot type structure, compared to other structures by the ontology
It says, fill SF6 gases in pot type structure, internal components are fixed by supporting insulator, insulation board and rigid structural, have size
The advantages that small, line is short, and mobile comparison is convenient, and contrast in technical performance is high, can be effectively performed shockproof, windproof, dust-proof, rain-proof
And anti-aging easy cleaning, the technique effect of overall structure, compact beauty etc.；
5, surge voltage generating means of the invention, is originally being filled with sulfur hexafluoride gas, SF6 is as excellent insulation
Body has remarkable electric property, for can effectively reduce insulation distance and body needed for device in surge voltage generating means
Product, while SF6 gases have fire-retardant and explosion-proof characteristic, can reach small-size light-weight, the muting test requirements document of safety；
6, DC voltage is passed to the punching by surge voltage generating means of the invention, output end by disc insulator
Generating loop is hit, the effect of disc insulator is to keep impulse electricity circuit structure symmetrical, and reducing device parasitic parameter influences；
7, surge voltage generating means of the invention, spark sphere gap switch use multi-pole ignition device structure, multi-ignition
Apparatus structure uses forced-triggered mode, is adjusted without carrying out ball gap spacing, easy to operate, improves the locking range of triggering；
8, surge voltage generating means of the invention, it is described per previous module in spark sphere gap switch hollow ball ball gap
It is in same vertical line, two hollow sphere gaps (midpoint) in all spark sphere gap switches at different levels in this way, previous stage ball
The ultraviolet light that gap generates when discharging can be irradiated to rear stage ball gap, promote its electric discharge, to improve net synchronization capability.
Above description is only the general introduction of technical solution of the present invention, in order to better understand the technical means of the present invention,
And can be implemented in accordance with the contents of the specification, and in order to allow the above and other objects, features and advantages of the present invention can
It is clearer and more comprehensible, it is special below to lift preferred embodiment, and coordinate attached drawing, detailed description are as follows.
Description of the drawings
Fig. 1 is a kind of circuit theory schematic diagram of preferred embodiment of surge voltage generating means of the present invention；
Fig. 2 is a kind of diagrammatic cross-section of the structure design of preferred embodiment of surge voltage generating means of the present invention；
Fig. 3 is the test waveform that transferring over-voltage measures in a kind of preferred embodiment of surge voltage generating means of the present invention
Figure；
Each reference numeral is as follows：
1, resistance；2, impulse capacitor；3, supporting insulator.
Specific implementation mode
It is of the invention to reach the technological means and effect that predetermined goal of the invention is taken further to illustrate, below in conjunction with
Attached drawing and preferred embodiment, to specific implementation mode, structure, feature and its effect according to the present invention, detailed description are as follows：
Embodiment 1
A kind of surge voltage generating means comprising ontology, DC high-voltage power supply, impact generating loop；The direct current is high
Voltage source includes transformer, silicon stack and output end；The DC high-voltage power supply uses enclosed construction by the transformer and silicon
Heap is fixed on the body interior, and DC voltage is passed to the impact generating loop by the output end；
The modular construction that the structure of the impact generating loop is made of several grades of modules, often module described in level-one is logical
It crosses supporting insulator and fixing bracket is fixed and is together in series；
Module includes described in per level-one：
High-voltage pulse capacitor；
Protective resistance or inductance；And
Charging resistor or inductance；
One end of the high-voltage pulse capacitor is a pole and the protective resistance or inductance connection by metal flange；Institute
It is a pole and the charging resistor or inductance connection that the other end of high-voltage pulse capacitor, which is stated, by metal flange.
To realize the transferring over-voltage under high voltage environment, in the technical scheme, due to the structure of this programme so that punching
The buffer action that the protective resistance or inductance and high-voltage pulse capacitor hit in voltage generation circuit generate can inhibit overvoltage, real
The transmission for having showed overvoltage improves the safety of equipment to reduce harm of the transferring over-voltage to secondary device.The envelope
Closed type structure, it is corresponding with Open architecture, refer to that whole device uses canister enclosed construction, the inside filling insulation gas
Body.Device internal component can bear multiple vacuum and positive pressure and convert repeatedly and without damage under the structure.
The impact generating loop uses the reason of modular construction to be to keep impulse electricity circuit structure symmetrical, can reach
Reduce the technique effect that device parasitic parameter influences.Modular construction is the rational deployment by impulse capacitor and ignition switch
Design so that switch and capacitor form an entirety, then will be consolidated per previous module by supporting insulator and fixing bracket
Determine and is together in series.Closely, the connecting line between capacitor and switch is very short, can effectively reduce for the structure of the module
Discharge loop inductance and stray parameter, while also very small per the spacing between level-one, in some embodiments about 20-
30cm。
Embodiment 2
The present embodiment provides a kind of specific embodiment of the present invention program, the wherein citings such as connection structure and quantity are equal
For a kind of preferable examples, limited to this example is not represented.
It is a kind of circuit theory schematic diagram of preferred embodiment of surge voltage generating means of the present invention as shown in Figure 1；Tool
Body includes DC high-voltage power supply (10kV power supplys) and impact generating loop (protective resistance or inductance, charging resistor or inductance, high pressure
Pulsed capacitance, spark sphere gap switch etc.).
It is a kind of section signal of structure design of preferred embodiment of surge voltage generating means of the present invention as shown in Figure 2
Figure；Specially the single-stage module in circuit body structure, including resistance 1, impulse capacitor 2 and supports insulative occur for impact
Son 3.
The present apparatus includes host computer, charge power supply, impact generating loop, hermetically sealed can, metal flange；Wherein charge power supply is adopted
With the DC high-voltage power supply being made of transformer, regulator, silicon stack and the first protective resistance or inductance；The DC high-voltage
First protective resistance or inductance in source can protect impact that circuit and transformer occurs, and prevent voltage overcurrent phenomenon, have simultaneously
The effect pressed.Generating loop is impacted by high-voltage pulse capacitance, spark sphere gap switch, charging resistor or inductance, the second protection electricity
Resistance or inductance and wave regulating resistor composition.It impacts generating loop body construction and uses modular construction, by supporting insulator and admittedly
Fixed rack will be fixed and be together in series per previous module, all be opened including 1 impulse capacitor, 1 spark ball gap per previous module
What pass, 1 the second protective resistance or inductance, 1 charging resistor or inductance, 1 trigger pulse introducing interface and 1 inflated connects
Head；The spark sphere gap switch uses multi-pole ignition device structure, spark sphere gap switch to use multi-pole ignition device structure；It is high
Pulsed capacitance is pressed to use the insulation shell impulse capacitor of paper oil insulation, both ends are respectively used as a pole and resistance or electricity by metal flange
Sense connection；Wave regulating resistor includes wavefront resistance and discharge resistance, and it is 150 DEG C to allow heating：When surge voltage generating means is dynamic
Make but whole energy expenditures of test product device when not discharging are in discharge resistance, and whole energy of device disappear when test product discharges
Consumption is in discharge resistance and wavefront resistance.
Its basic principle of the present apparatus be to high-voltage pulse capacitance carry out charged in parallel after again discharged in series to obtain high voltage
The process of output has the characteristics that small, controllability is strong, inner sense is low, electric discharge is fast, i.e., by energy storage original paper to energy in the short time
Amount obtains high voltage pulse after being compressed in load, and specific test method is as follows：
Step 1：Charge power supply and voltage, the current amplitude needed for pilot spark sphere gap switch are arranged by host computer first
And the rise time and retention time of charging voltage, add halfwave rectifier mode that will hand over by traditional duplex frequency boostering transformer after booting
Galvanic electricity boost in voltage rectification is high direct voltage, and charge power supply is made to be operated in constant pressure output state；
Step 2：After clicking host computer start button, charge power supply is by protective resistance or inductance and charging resistor or inductance
To high-voltage pulse capacitor charging, charging process completion when the current value of each resistance is zero is flowed through when impacting in generating loop, this
Potential difference in Shi Huilu on each spark sphere gap switch is charge power supply voltage value U, at this time voltage enter hold mode until
Power supply autostop after voltage hold-time is stayed.Experiment is preceding to be adjusted to the distance of spark ball gap switch room to make switch slightly larger than U
It does not discharge, pulse voltage, needle is sent to the stylus of spark sphere gap switch by clicking host computer trigger button when needing action
Sparklet is generated between pole and covering then causes spark ball gap switch discharge；
Step 3：It impacts generating loop and charging current is controlled by protective resistance or inductance at the beginning of charging, in spark ball gap
Buffer action is played by charging resistor or inductance after switch connection, so that high-voltage pulse capacitance is formed series topology structure and improves hair
The output voltage of generating apparatus simultaneously carries out discharge process.
Step 4：The voltage for impacting generating loop the 1st grade of spark ball gap switch ends in discharge process is more than oneself of air gap
When giving one trigger voltage U of the 1st grade of spark sphere gap switch when breakdown voltage or by host computer trigger button, the 1st grade of spark ball
Gap switch conduction；When the 2nd grade of spark ball gap switch ends voltage reaches 2U, the 2nd grade of spark sphere gap switch generation self breakdown is led
It is logical；When 3rd level spark ball gap switch ends voltage reaches 3U, self breakdown conducting occurs for 3rd level spark sphere gap switch.
As shown in figure 3, the test waveform figure of generating means transferring over-voltage measurement is given, due to traditional impact electricity
It is difficult to generate the so short shock wave of wave front time to press generator test loop inductance to increase, and results in GIS voltages at this stage
The transferring over-voltage experiment of mutual inductor is difficult to realize under high voltages.Join as seen from the figure in the surge voltage generating means of the present invention
In the case of number is fixed, the size of load resistance influences the waveform and amplitude size of pulse voltage, pulse when load resistance is smaller
The amplitude of voltage is smaller, and waveform fall time is faster, and the amplitude of pulse voltage is higher when load capacitance value is smaller, under electric discharge
The drop time is shorter, to illustrate the feasibility of the present apparatus.
The above embodiment is only the preferred embodiment of the present invention, and the scope of protection of the present invention is not limited thereto,
The variation and replacement for any unsubstantiality that those skilled in the art is done on the basis of the present invention belong to institute of the present invention
Claimed range.
Claims (10)
1. a kind of surge voltage generating means comprising host computer, ontology, DC high-voltage power supply, impact generating loop；It is described straight
It includes transformer, silicon stack and output end to flow high voltage power supply；The host computer is fixed on the body interior；It is characterized in that, institute
It states DC high-voltage power supply and the transformer and silicon stack is fixed on by the body interior using enclosed construction, the output end will
DC voltage passes to the impact generating loop；
The modular construction that is made of several grades of modules of structure of the impact generating loop, per level-one described in module pass through branch
Support insulator and fixing bracket are fixed and are together in series；
Module includes described in per level-one：
High-voltage pulse capacitor；
Protective resistance or inductance；And
Charging resistor or inductance；
One end of the high-voltage pulse capacitor is a pole and the protective resistance or inductance connection by metal flange；The height
The other end of pressure impulse capacitor is a pole and the charging resistor or inductance connection by metal flange.
2. surge voltage generating means as described in claim 1, which is characterized in that the ontology is in pot type structure.
3. surge voltage generating means as claimed in claim 2, which is characterized in that the inside of the ontology is filled with sulfur hexafluoride
Gas.
4. surge voltage generating means as claimed in claim 2, which is characterized in that it further includes host computer, the host computer,
DC high-voltage power supply and impact generating loop are fixed on the body interior by supporting insulator, insulation board and rigid structural.
5. surge voltage generating means as described in claim 1, which is characterized in that the output end will by disc insulator
DC voltage passes to the impact generating loop.
6. surge voltage generating means as described in claim 1, which is characterized in that module further includes described in per level-one：
Wave regulating resistor；
The wave regulating resistor includes wavefront resistance and discharge resistance, and when surge voltage generating means action but test product does not discharge
When, whole energy expenditures of device are in discharge resistance；And when test product discharges, whole energy expenditures of device are in discharge resistance
In wavefront resistance.
7. surge voltage generating means as claimed in claim 6, which is characterized in that module further includes spark ball described in per level-one
Gap switchs, and the spark sphere gap switch uses multi-pole ignition device structure.
8. surge voltage generating means as claimed in claim 7, which is characterized in that the spark sphere gap switch is two hollow
Ball；The material of the hollow ball is copper or aluminium.
9. surge voltage generating means as claimed in claim 8, which is characterized in that the sphere diameter of the single hollow ball is not less than
Twice of two hollow ball separation distances when full voltage charges, and the spark sphere gap switch in every previous module
Hollow ball segregated portion is in same vertical line.
10. surge voltage generating means as claimed in claim 7, which is characterized in that the triggering side of the spark sphere gap switch
Formula is realized by the three electrode field distortion gas switch of low inductance of interior inflated with nitrogen, the gas switch and extraneous gas completely every
From.
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| CN201810802505.8A CN108680777A (en) | 2018-07-20 | 2018-07-20 | A kind of surge voltage generating means |
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| CN201810802505.8A CN108680777A (en) | 2018-07-20 | 2018-07-20 | A kind of surge voltage generating means |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109143006A (en) * | 2018-11-07 | 2019-01-04 | 国网电力科学研究院武汉南瑞有限责任公司 | A kind of impulse voltage generator |
| CN109490812A (en) * | 2018-12-05 | 2019-03-19 | 中国电力科学研究院有限公司 | Nanosecond the impulse voltage generator and detection system for detecting mutual inductor overvoltage |
| CN109617447A (en) * | 2018-12-06 | 2019-04-12 | 西安交通大学 | Nanosecond rise time Impulsive Current generating device based on confined gas environment |
| WO2020119348A1 (en) * | 2018-12-10 | 2020-06-18 | 中国电力科学研究院有限公司 | Impulse voltage standard wave generating device and use method therefor |
-
2018
- 2018-07-20 CN CN201810802505.8A patent/CN108680777A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109143006A (en) * | 2018-11-07 | 2019-01-04 | 国网电力科学研究院武汉南瑞有限责任公司 | A kind of impulse voltage generator |
| CN109490812A (en) * | 2018-12-05 | 2019-03-19 | 中国电力科学研究院有限公司 | Nanosecond the impulse voltage generator and detection system for detecting mutual inductor overvoltage |
| CN109490812B (en) * | 2018-12-05 | 2023-08-18 | 中国电力科学研究院有限公司 | Nanosecond impulse voltage generator and detection system for detecting overvoltage of transformer |
| CN109617447A (en) * | 2018-12-06 | 2019-04-12 | 西安交通大学 | Nanosecond rise time Impulsive Current generating device based on confined gas environment |
| WO2020119348A1 (en) * | 2018-12-10 | 2020-06-18 | 中国电力科学研究院有限公司 | Impulse voltage standard wave generating device and use method therefor |
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