CN110308373A - A kind of series gap arrester percussion action attribute testing platform - Google Patents
A kind of series gap arrester percussion action attribute testing platform Download PDFInfo
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- CN110308373A CN110308373A CN201910423368.1A CN201910423368A CN110308373A CN 110308373 A CN110308373 A CN 110308373A CN 201910423368 A CN201910423368 A CN 201910423368A CN 110308373 A CN110308373 A CN 110308373A
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- 238000012360 testing method Methods 0.000 title claims abstract description 29
- 238000009527 percussion Methods 0.000 title claims abstract description 23
- 239000012212 insulator Substances 0.000 claims abstract description 49
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 46
- 239000010959 steel Substances 0.000 claims abstract description 46
- 239000002131 composite material Substances 0.000 claims abstract description 18
- 230000001681 protective effect Effects 0.000 claims abstract description 11
- 238000005259 measurement Methods 0.000 claims abstract description 7
- 238000004891 communication Methods 0.000 claims description 12
- 230000005540 biological transmission Effects 0.000 claims description 8
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 7
- 239000003990 capacitor Substances 0.000 claims description 7
- 238000004080 punching Methods 0.000 claims description 7
- 229910052710 silicon Inorganic materials 0.000 claims description 7
- 239000010703 silicon Substances 0.000 claims description 7
- 238000009413 insulation Methods 0.000 claims description 6
- 230000015572 biosynthetic process Effects 0.000 claims description 5
- 238000013016 damping Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims description 3
- 238000003786 synthesis reaction Methods 0.000 claims description 2
- 238000004458 analytical method Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 240000009087 Crescentia cujete Species 0.000 description 1
- 235000005983 Crescentia cujete Nutrition 0.000 description 1
- 235000009797 Lagenaria vulgaris Nutrition 0.000 description 1
- 208000025274 Lightning injury Diseases 0.000 description 1
- 244000131316 Panax pseudoginseng Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 235000014676 Phragmites communis Nutrition 0.000 description 1
- 235000017899 Spathodea campanulata Nutrition 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 238000009863 impact test Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
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- 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
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- General Physics & Mathematics (AREA)
- Testing Electric Properties And Detecting Electric Faults (AREA)
- Testing Relating To Insulation (AREA)
Abstract
The invention discloses a kind of series gap arrester percussion action attribute testing platforms, it is related to anti-thunder technical field, including control room 1, impulse voltage divider 2, impulse voltage generator 3, boom hoisting 4, composite insulator 5, series gap arrester 6, steel pipe 7, support insulator 8, support insulator 9, control room can control boom hoisting and adjust the concatenated arrester air gap distance of series gap arrester in real time, then come into the arrester air gap distance that adjustment series gap arrester is removed in test site by testing crew without cutting off the power；The percussion action characteristic under the conditions of series gap arrester difference arrester air gap distance can be obtained by computer measurement; to study the protective value of series gap arrester under the conditions of different arrester air gap distances, and the arrester air gap distance of selection series gap arrester.
Description
Technical field
The present invention relates to anti-thunder technical fields, more particularly to a kind of series gap arrester percussion action attribute testing
Platform.
Background technique
Arrester is the important equipment of high voltage electric equipment overvoltage protection, and wherein series gap arrester is answered extensively
For transmission line of electricity lightning protection.Series gap arrester is made of lightning arrester body and series gap, and when use is connected in parallel
The both ends of insulator, when transmission line of electricity is struck by lightning, and insulator both end voltage is more than lightning arrestor movement voltage, arrester series connection
Gap breakdown, lightning arrestor movement reach protection circuit and exempt from due to lightning stroke to effectively limit the lightning surge at insulator both ends
The effect of failure.
The protective value of series gap arrester arrester is mainly by between the impact characteristics of arrester and insulator
Depending on Insulation Coordination, whether the protective value that study series gap arrester is able to satisfy production actual demand, needs to it
Carry out impact test to study the acting characteristic under its lightning impulse voltage, 50% lightning impulse flashover voltage including arrester,
Lightning impulse volt-second characteristic etc..
The ontology and electrode shape of series gap arrester once it is determined that, percussion action characteristic is mainly by its series connection
Depending on clearance distance, therefore when studying the percussion action characteristic of arrester, under the conditions of generally requiring to study different series gaps
The percussion action characteristic of arrester to select suitable arrester series gap distance, or needs to study a certain clearance distance
Whether the percussion action characteristic of lower arrester meets Insulation Coordination requirement.
Summary of the invention
The technical problem to be solved in the present invention is that it is flat to provide a kind of series gap arrester percussion action attribute testing
Platform obtains the impact characteristics of arrester with test.To solve the above-mentioned problems, specific technical solution is as follows:
A kind of series gap arrester percussion action attribute testing platform, including control room, boom hoisting, impact transformer,
Composite insulator, series gap arrester, impulse voltage generator, steel pipe, digital oscilloscope, support insulator；The control
Room processed is connect with boom hoisting, impulse voltage generator, impulse voltage divider respectively；The vertical lower end of the boom hoisting hangs with synthesis
Insulator, the composite insulator are connect with series gap arrester, the impulse voltage generator respectively with steel pipe, impact
Divider connection, the steel pipe is located at the arrester vertical lower position of series gap, with series gap arrester isomorphism
At arrester the air gap, the support insulator I, support insulator II are connect with steel pipe end positions respectively；The control
Room is used to control the sling height of boom hoisting adjusting series gap arrester to adjust arrester air gap distance, controls
Impulse voltage generator exports the voltage data after surge voltage to steel pipe, and acquisition punching press voltage divider；The lifting
Device feeds back series gap to the control room for adjusting the sling height of series gap arrester in real time, and in real time
The arrester air gap distance of arrester；The impulse voltage generator is used to export the impact of different wave heads, wave rear, amplitude
Voltage is to steel pipe；The surge voltage that the impulse voltage divider is used to export impulse voltage generator divides, and will partial pressure
Voltage output afterwards is to control room；The composite insulator is electrical exhausted for forming boom hoisting and series gap arrester
Edge；The steel pipe is used to simulate the conducting wire in actual condition；Support insulator I, the support insulator II is for making steel pipe
Insulating effect and supporting steel pipe are formed between the earth.
Preferably, the control room includes console, digital oscilloscope, computer, is provided with number on the console
Oscillograph, computer, the measurement end of the digital oscilloscope are connected with attenuator, and the digital oscilloscope passes through attenuator and punching
Hit divider connection, the console connect with boom hoisting, impulse voltage generator, the computer respectively with digital oscillography
Device, console connection,
Preferably, the digital oscilloscope is used to show the surge voltage after attenuator decaying and transmits corresponding Wave data
To computer；The computer is used to carry out the Wave data that digital oscilloscope transmission comes to analyze and pass through based on the analysis results
Console controls the sling height of boom hoisting, and control impulse voltage generator exports different wave heads, wave rear, amplitude and rushes
Voltage is hit to steel pipe.
Preferably, the analog bandwidth of the digital oscilloscope is 500MHz, and sample rate is 100MS/s.
Preferably, the boom hoisting is electric block, is fixed with elevation carrection module, the height on the electric block
Measurement module is spent for feeding back the distance to the ground of elevation carrection module on electric block to control room in real time.
Preferably, the elevation carrection module includes laser ranging system and bluetooth communication module, the laser ranging dress
It sets and is connect with bluetooth communication module, the bluetooth communication module is connect with control room；The laser ranging system is for measuring institute
The distance to the ground of laser ranging system is stated, the bluetooth communication module is used for the Laser Measuring for measuring laser ranging module
Distance to the ground away from device is transmitted to the control room.
Preferably, the series gap arrester is pure air gap arrester, includes lightning arrester body and electrode, institute
It states electrode and is connected to lightning arrester body lower end；The formation of the electrode of the steel pipe and series gap arrester collectively forms arrester
The air gap.
Preferably, the impulse voltage divider is resistance-capacitance type divider, and the resistance-capacitance type divider no-load voltage ratio is 4000 ~ 6000.
Preferably, the impulse voltage generator include rectifier power source, protective resistance, impulse voltage generator ontology, every
From ball gap, wavefront resistance, discharge resistance；Impulse voltage generator main body includes main capacitor, ignition ball gap, charging resistor, resistance
Buffer resistance and intermediate gap；Rectifier power source includes pressure regulator, testing transformer and high voltage silicon rectifier stack, the secondary coil of testing transformer
It connects with high voltage silicon rectifier stack, protective resistance, and charges to the main capacitor of impulse voltage generator main body；Batching sphere gap and wavefront electricity
Resistance series connection is connected to the high-voltage output end of impulse voltage generator, and discharge resistance is connected to the output end and the earth of batching sphere gap
Between, the impulse voltage generator ontology is completed to export after charging and after ignition ball gap triggers through batching sphere gap, wavefront resistance
Surge voltage and exports impact by the high-voltage output end of impulse voltage generator to the high-voltage output end of impulse voltage generator
Voltage is to steel pipe.
Preferably, the composite insulator is 500kV voltage class composite insulator.
Preferably, the support insulator I, support insulator II are respectively perpendicular the lower section for being fixedly connected on steel pipe both ends
Position.
The invention has the benefit that
Control room can control boom hoisting and adjust the concatenated arrester air gap distance of series gap arrester in real time, be not necessarily to
It cuts off the power and the arrester air gap distance that adjustment series gap arrester is removed in test site is then come by testing crew；
The percussion action spy under the conditions of series gap arrester difference arrester air gap distance can be obtained by computer measurement
Property, to study the protective value of series gap arrester under the conditions of different arrester air gap distances, and selection band string
Join the arrester air gap distance of gap arrester.
Detailed description of the invention
Fig. 1 is experimental rig electrical block diagram of the present invention；
Marginal data: 1: control room；2: impulse voltage divider；3: impulse voltage generator；4: boom hoisting；5: composite insulator；
6: series gap arrester；7: steel pipe；8: support insulator I；9: support insulator II；10: console；11: digital number
Oscillograph；12: computer；13: elevation carrection module.
Fig. 2 is impulse voltage generator structural schematic diagram；
Marginal data: AT: pressure regulator；T: testing transformer；D: high voltage silicon rectifier stack；R: protective resistance；R: charging resistor；C1 ~ Cn: main
Capacitor；G1: ignition ball gap；G2 ~ gn: intermediate gap；Rd: damping resistance；G0: batching sphere gap；Rf: wavefront resistance；Rt: electric discharge
Resistance.
Specific embodiment
The shown specific embodiment of series gap arrester percussion action attribute testing platform of the present invention of Fig. 1,
As shown in Figure 1, a kind of series gap arrester percussion action attribute testing platform includes control room 1: boom hoisting 4: impact
Voltage generator 3: impulse voltage divider 2: composite insulator 5: series gap arrester 6: steel pipe 7: support insulator I 8: branch
Column insulator II 9；Control room 1 respectively with boom hoisting 4: impulse voltage generator 3: impulse voltage divider 2 is connect；Boom hoisting 4
Vertical lower end hangs with composite insulator 5, and composite insulator 5 is connect with series gap arrester 6, and impulse voltage generator 3 divides
Not with steel pipe 3: impulse voltage divider 2 is connect, and steel pipe 7 is located at the 6 vertical lower position of arrester of series gap, with band connect between
Gap arrester 6 collectively forms arrester the air gap, support insulator I 8: support insulator II 9, which is respectively perpendicular, to be fixedly connected
Lower position in 7 both ends of steel pipe, control room 1 are used to control the adjusting series gap of boom hoisting 4 by control cable lightning-arrest
To adjust arrester air gap distance, control impulse voltage generator 3 is exported by high-voltage connection to be impacted the sling height of device 6
Voltage data after voltage to steel pipe 7, and the acquisition partial pressure of punching press divider 2；Boom hoisting 4 is for adjusting in real time between series connection
The sling height of gap arrester 6, and in real time to control room 1 feed back series gap arrester 6 arrester the air gap away from
From；Impulse voltage generator 3 is for exporting different wave heads: wave rear: the surge voltage of amplitude to steel pipe 7；Impulse voltage divider 2 is used for
The surge voltage exported to impulse voltage generator 3 divides, and the voltage after partial pressure is exported by measuring cable to control
Room 1 processed；Composite insulator 5 is for making boom hoisting 4 and series gap arrester 6 form electric insulation；Steel pipe 7 is for simulating
Conducting wire in actual condition；Support insulator I 8: support insulator II 9 for make between steel pipe 7 and the earth formed insulation
Act on simultaneously supporting steel pipe 7.
Control room 1 of the present invention includes console 10: digital oscilloscope 11: computer 12, is provided with number on console 10
Oscillograph 11: computer 12, the measurement end of digital oscilloscope 11 are connected with attenuator, and digital oscilloscope 11 passes through attenuator and punching
Hit divider 2 connection, console 10 is with boom hoisting 4: impulse voltage generator 3 is connect, computer 12 respectively with digital oscillography
Device 11: console 10 connects, and the surge voltage that attenuator is used to transmit impulse voltage generator 3 decays, and will decaying
Surge voltage afterwards is transferred to digital oscilloscope 11 by radio frequency coaxial-cable, and the attenuation multiple of attenuator is 100 times；Number is shown
Wave device 11 is used to show the surge voltage after attenuator decaying and corresponding Wave data is passed through RS232 cable transmission to calculating
Machine 12；Computer 12 is used to carry out analysis to the Wave data that the transmission of digital oscilloscope 11 comes and passes through control based on the analysis results
Platform 10 controls the sling height of boom hoisting 4, and control impulse voltage generator 3 exports different wave heads: wave rear: amplitude is rushed
Voltage is hit to steel pipe 7.
Boom hoisting 4 is electric block, is fixed with elevation carrection module 13 on electric block, elevation carrection module 13 is used for
The distance to the ground of elevation carrection module 13 on electric block is fed back to control room 1 in real time；Elevation carrection module 13 includes Laser Measuring
Away from device and bluetooth communication module, laser ranging system is connect with bluetooth communication module, and bluetooth communication module and control room 1 connect
It connects；Laser ranging system is used to measure the distance to the ground of laser ranging system, and bluetooth communication module is used for laser ranging module
The distance to the ground for the laser ranging system measured is transmitted to the computer 12 of control room 1, and laser ranging system measures electronic calabash
Elevation carrection module distance to the ground D on reed, computer 12 is according to the steel pipe distance to the ground d1 pre-entered: laser ranging system arrives
Series gap arrester electrode distance d2 calculates and shows the arrester air gap length L of series gap arrester, meter
Calculation formula is L=D-d1-d2.
Series gap arrester 6 is pure air gap arrester, includes lightning arrester body and electrode, electrode, which is connected to, to be kept away
Thunder device ontology lower end；The formation of the electrode of steel pipe 7 and series gap arrester 6 collectively forms arrester the air gap.
As shown in Fig. 2, impulse voltage generator 3 includes rectifier power source: protective resistance r: impulse voltage generator ontology: every
From ball gap g0: wavefront resistance Rf: discharge resistance Rt；Impulse voltage generator main body includes main capacitor C1 ~ Cn: ignition ball gap
G1: charging resistor R: damping resistance rd and intermediate gap g2 ~ gn；Rectifier power source includes pressure regulator: testing transformer T and high pressure silicon
The secondary coil of heap D, testing transformer T are with high voltage silicon rectifier stack D: protective resistance r connects, and to the master of impulse voltage generator main body
Capacitor C1 ~ Cn charging；Batching sphere gap g0 connects with wavefront resistance Rf and is connected to the high-voltage output end of impulse voltage generator 7, puts
Resistance Rt is connected between the output end and the earth of batching sphere gap g0, and impulse voltage generator ontology is completed after charging and through point
After fireball gap g1 triggering, the High voltage output through batching sphere gap g0: wavefront resistance Rf output surge voltage to impulse voltage generator 3
End, and surge voltage is exported to steel pipe 7 through bare copper wire by the high-voltage output end of impulse voltage generator 7.
Composite insulator 5 is 500kV voltage class composite insulator, forms series gap arrester and boom hoisting
Electric insulation prevents from discharging between series gap arrester and boom hoisting.
Impulse voltage divider 2 is resistance-capacitance type divider, and resistance-capacitance type divider no-load voltage ratio is 4000 ~ 6000, resistance-capacitance type divider one
End is connect by bare copper wire with 3 high-voltage output end of impulse voltage generator, other end ground connection.
Console 1: impulse voltage generator 3: series gap arrester 6 is grounded.
The diameter of steel pipe 7 is 20 ~ 30mm in the present embodiment, is simulated under practical series gap arrester operating condition
Transmission line wire, the diameter of steel pipe 7 is suitable with the diameter of the conducting wire on actual track.
The analog bandwidth of digital oscilloscope 11 of the invention is 500MHz, and sample rate is 100MS/s.
Impulse voltage generator 3 is 3600kV impulse voltage generator, and 3600kV is representative value, in fact main basis
Subjects are the series gap arresters of which voltage class, guarantee voltage needed for output test, band series connection
The voltage class of gap arrester is higher, it is desirable that the voltage of impulse voltage generator output is higher, generally does 220kV voltage etc.
The amplitude of output voltage needed for grade series gap arrester will not exceed 2000kV.
Working principle:
The computer 12 of control room 1 controls impulse voltage generator 3 and exports surge voltage to steel pipe 7, the acquisition punching of impulse voltage divider 2
It hits the surge voltage of the output of voltage generator 3 and is divided, the surge voltage after partial pressure is transferred to after attenuator is decayed
The digital oscilloscope 11 of control room 1, digital oscilloscope 11 show the surge voltage after decaying and transmit corresponding Wave data
To computer 12, computer 12 is analyzed to obtain the ginseng such as wave head, wave rear, amplitude of surge voltage according to obtained Wave data
Number.
Meanwhile elevation carrection module distance to the ground D on the laser ranging system measurement electric block of elevation carrection module 13,
Computer 12 is according to the steel pipe distance to the ground d1: laser ranging system pre-entered to series gap arrester electrode distance
D2, calculates and shows the arrester air gap length L of series gap arrester, and calculation formula is L=D-d1-d2.
Computer 12 is according to the arrester air gap length L: the wave of surge voltage of obtained series gap arrester
Head: wave rear: the parameters such as amplitude analyze the acting characteristic of series gap arrester 6 under present percussion voltage.
Computer 12 controls boom hoisting 4 by console 10 and adjusts the sling height of series gap arrester 6 to adjust
Arrester air gap distance L is saved, while impulse voltage generator 3 is controlled by console 10 and exports different wave head: wave rear:
The surge voltage of the parameters such as amplitude analyzes the acting characteristic of series gap arrester 6 under different surge voltages to steel pipe 7 with this.
The present invention be not limited to more than specific embodiment, the above is only preferable case study on implementation of the invention, and
Not to limit the present invention, any modification done within the spirit and principles of the present invention: equivalent replacement and improvement etc.,
It should be included within protection scope of the present invention.
Claims (10)
1. a kind of series gap arrester percussion action attribute testing platform, it is characterised in that: including control room (1), lifting
Device (4), impulse voltage generator (3), impulse voltage divider (2), composite insulator (5), series gap arrester (6), steel
Manage (7), support insulator I(8), support insulator II(9)；The control room (1) respectively with boom hoisting (4), surge voltage
Generator (3), impulse voltage divider (2) connection；The vertical lower end of the boom hoisting (4) hangs with composite insulator (5), the synthesis
Insulator (5) is connect with series gap arrester (6), and the impulse voltage generator (3) is divided with steel pipe (7), impact respectively
Depressor (2) connection, the steel pipe (7) are located at arrester (6) vertical lower position of series gap, lightning-arrest with series gap
Device (6) collectively forms arrester the air gap, the support insulator I(8), support insulator II(9) respectively with steel pipe (7)
End positions connection；The control room (1) is used to control the lifting height that boom hoisting (4) adjust series gap arrester (6)
Degree is to adjust arrester air gap distance, control impulse voltage generator (3) output surge voltage to steel pipe (7), and adopts
Voltage data after collecting punching press divider (2) partial pressure；The boom hoisting (4) for adjusting series gap arrester in real time
(6) sling height, and in real time to the arrester the air gap of the control room (1) feedback series gap arrester (6)
Distance；The impulse voltage generator (3) is for exporting different wave heads, wave rear, the surge voltage of amplitude to steel pipe (7)；It is described
The surge voltage that impulse voltage divider (2) is used to export impulse voltage generator (3) divides, and the voltage after partial pressure is defeated
Out to control room (1)；The composite insulator (5) is electrical for forming boom hoisting (4) and series gap arrester (6)
Insulation；The steel pipe (7) is used to simulate the conducting wire in actual condition；The support insulator I(8), support insulator II
(9) for making to form insulating effect and supporting steel pipe (7) between steel pipe (7) and the earth.
2. a kind of series gap arrester percussion action attribute testing platform according to claim 1, it is characterised in that:
The control room (1) includes console (10), digital oscilloscope (11), computer (12), is provided on the console (10)
Digital oscilloscope (11), computer (12), the measurement end of the digital oscilloscope (11) are connected with attenuator, the number oscillography
Device (11) is connect by attenuator with impulse voltage divider (2), and the console (10) and boom hoisting (4), surge voltage occur
Device (3) connection, the computer (12) connect with digital oscilloscope (11), console (10) respectively, and the attenuator is used for pair
The surge voltage of impulse voltage generator (3) transmission decays, and the surge voltage after decaying is transferred to digital oscilloscope
(11)；The digital oscilloscope (11) is used to show the surge voltage after attenuator decaying and is transmitted to corresponding Wave data
Computer (12)；The computer (12) is used to analyze to the Wave data that digital oscilloscope (11) transmission comes and basis point
Result is analysed by the sling height of console (10) control boom hoisting (4), and control impulse voltage generator (3) output is not
Same wave head, wave rear, the surge voltage of amplitude to steel pipe (7).
3. digital oscilloscope according to claim 2, which is characterized in that the analog bandwidth of the digital oscilloscope (11) is
500MHz, sample rate are 100MS/s.
4. a kind of series gap arrester percussion action attribute testing platform according to claim 1, it is characterised in that:
The boom hoisting (4) is electric block, is fixed with elevation carrection module (13) on the electric block, the elevation carrection mould
Block (13) to control room (1) for feeding back the distance to the ground of elevation carrection module (13) on electric block in real time.
5. boom hoisting according to claim 4, it is characterised in that: the elevation carrection module (13) includes laser ranging
Device and bluetooth communication module, the laser ranging system are connect with bluetooth communication module, the bluetooth communication module and control
Room (1) connection；The laser ranging system is used to measure the distance to the ground of the laser ranging system, the bluetooth communication module
The distance to the ground of the laser ranging system for measuring laser ranging module is transmitted to the control room (1).
6. a kind of series gap arrester percussion action attribute testing platform according to claim 1, it is characterised in that:
The series gap arrester (6) is pure air gap arrester, includes lightning arrester body and electrode, and the electrode is connected to
Lightning arrester body lower end；The formation of the electrode of the steel pipe (7) and series gap arrester (6) collectively forms between arrester air
Gap.
7. a kind of series gap arrester percussion action attribute testing platform according to claim 1 or 2, feature exist
In: the impulse voltage divider (2) is resistance-capacitance type divider, and the resistance-capacitance type divider no-load voltage ratio is 4000 ~ 6000.
8. a kind of series gap arrester percussion action attribute testing platform according to claim 1, it is characterised in that:
The impulse voltage generator (3) includes rectifier power source, protective resistance (r), impulse voltage generator ontology, batching sphere gap
(g0), wavefront resistance (Rf), discharge resistance (Rt)；Impulse voltage generator main body includes main capacitor (C1 ~ Cn), ignition ball gap
(g1), charging resistor (R), damping resistance (rd) and intermediate gap (g2 ~ gn)；Rectifier power source includes pressure regulator, testing transformer
(T) it connects with high voltage silicon rectifier stack (D), the secondary coil of testing transformer (T) with high voltage silicon rectifier stack (D), protective resistance (r), and to punching
Hit main capacitor (C1 ~ Cn) charging of voltage generator main body；Batching sphere gap (g0) connects with wavefront resistance (Rf) and is connected to impact
The high-voltage output end of voltage generator (3), discharge resistance (Rt) are connected between the output end and the earth of batching sphere gap (g0), institute
Impulse voltage generator ontology is stated to complete after charging and after ignition ball gap (g1) triggering, through batching sphere gap (g0), wavefront resistance
(Rf) high-voltage output end of surge voltage to impulse voltage generator (3) is exported, and passes through the high pressure of impulse voltage generator (3)
Output end exports surge voltage to steel pipe (7).
9. a kind of series gap arrester percussion action attribute testing platform according to claim 1, it is characterised in that:
The composite insulator (5) is 500kV voltage class composite insulator.
10. a kind of series gap arrester percussion action attribute testing platform according to claim 1, feature exist
In: the support insulator I(8), support insulator II(9) be respectively perpendicular the lower orientation for being fixedly connected on steel pipe (7) both ends
It sets.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910423368.1A CN110308373B (en) | 2019-05-21 | 2019-05-21 | Impact action characteristic test platform with series gap lightning arrester |
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|---|---|---|---|
| CN201910423368.1A CN110308373B (en) | 2019-05-21 | 2019-05-21 | Impact action characteristic test platform with series gap lightning arrester |
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| CN110308373B CN110308373B (en) | 2024-05-28 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111044809A (en) * | 2019-11-16 | 2020-04-21 | 国网浙江宁波市奉化区供电有限公司 | Test method for measuring maximum protection distance of lightning protection device |
| CN111830372A (en) * | 2020-04-28 | 2020-10-27 | 沈阳工业大学 | Insulation testing device and method for high-temperature solid heat storage insulation lead sleeve |
| CN112344894A (en) * | 2020-10-23 | 2021-02-09 | 广西电网有限责任公司电力科学研究院 | Cross spanning line monitoring, measuring and checking system with adjustable spacing |
| CN114167230A (en) * | 2021-11-12 | 2022-03-11 | 武汉大学 | Long air gap discharge test platform containing suspension conductor and method |
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| JP2003133029A (en) * | 2001-10-22 | 2003-05-09 | Ngk Insulators Ltd | Gap arrester |
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