CN107064762A - UHV transmission line the air gap rain dodges experimental rig and method - Google Patents
UHV transmission line the air gap rain dodges experimental rig and method Download PDFInfo
- Publication number
- CN107064762A CN107064762A CN201710386268.7A CN201710386268A CN107064762A CN 107064762 A CN107064762 A CN 107064762A CN 201710386268 A CN201710386268 A CN 201710386268A CN 107064762 A CN107064762 A CN 107064762A
- Authority
- CN
- China
- Prior art keywords
- air gap
- rain
- transmission line
- test circuit
- rainfall
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- 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
- G01R31/1245—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 of line insulators or spacers, e.g. ceramic overhead line cap insulators; of insulators in HV bushings
-
- 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
- G01R31/1263—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 of solid or fluid materials, e.g. insulation films, bulk material; of semiconductors or LV electronic components or parts; of cable, line or wire insulation
- G01R31/1272—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 of solid or fluid materials, e.g. insulation films, bulk material; of semiconductors or LV electronic components or parts; of cable, line or wire insulation of cable, line or wire insulation, e.g. using partial discharge measurements
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
- Y02A90/10—Information and communication technologies [ICT] supporting adaptation to climate change, e.g. for weather forecasting or climate simulation
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Aerodynamic Tests, Hydrodynamic Tests, Wind Tunnels, And Water Tanks (AREA)
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
Abstract
Experimental rig and method are dodged the invention discloses a kind of UHV transmission line the air gap rain, experimental rig includes test circuit, experiment shaft tower, pressue device, rainwater spray equipment and rainfall control device, rainwater spray equipment includes spraying rack, installing plate, multiple shower nozzles, adjustable speed water pump and spray angles controlled motor, rainfall control device includes rain sensor, A/D modular converters and signal processing module, rain sensor connects signal processing module by A/D modular converters, and signal processing module connects adjustable speed water pump and spray angles controlled motor respectively；Under conditions of the actual rainfall that experimental rig is simulated reaches standard rainfall, to the multiple application surge voltage of test circuit, the air gap rain lightning pressure is calculated according to the discharge scenario of the air gap.The present invention can carry out rain making, and regulation spray angles and water in real time automatically, to simulate different condition of raining, improve the accuracy that rain dodges result of the test.
Description
Technical field
The present invention relates to ultra-high-tension power transmission line safe operation technical field, more particularly to a kind of UHV transmission line air
Gap rain dodges experimental rig and method.
Background technology
Nearly ten years, Chinese national economy grows continuously and fast, and promotes power industry to stride forward brand-new developing period.For
Ensure that high pressure, extra-high voltage grid are run safe, reliable, efficient, environmentally friendlyly, General Promotion is defeated during in face of extreme weathers such as heavy showers
Electric line external insulation level is extremely urgent, but the rainy transmission line of electricity sudden strain of a muscle experiment of field heavy showers weather is generally difficult to carry out,
Therefore a set of convenient device for carrying out the sudden strain of a muscle experiment of artificial wire the air gap rain is designed imperative.It is main that existing rain dodges experiment
" rod-plate " the short the air gap rain for having 0.1m~0.6m dodges experiment, various insulators under the conditions of various filths, in artificial climate
The rain that room or field are carried out dodges experiment.Above test method is not particularly suited for UHV transmission line the air gap rain and dodges experiment
It is required that, size, the structure of experimental rig can not be used to carry out the rain sudden strain of a muscle experiment of UHV transmission line the air gap.
The content of the invention
Experimental rig and method are dodged it is an object of the invention to provide a kind of UHV transmission line the air gap rain, can
It is automatic to carry out rain making, and regulation spray angles and water in real time, to simulate different condition of raining, it is ensured that rain dodges experiment knot
The accuracy of fruit.
To achieve the above object, the technical solution adopted by the present invention is：
UHV transmission line the air gap rain dodges experimental rig, including test circuit, experiment shaft tower and pressue device, also
Including rainwater spray equipment and rainfall control device, described rainwater spray equipment include spraying rack, installing plate, multiple shower nozzles,
Adjustable speed water pump and spray angles controlled motor, described spraying rack are arranged on the side of test circuit, described spray angles control
Motor processed is arranged on the top of spraying rack, and the output shaft connection plate of spray angles controlled motor, described multiple shower nozzles are equal
On a mounting board, and positioned at the top of test circuit, shower nozzle connects adjustable speed water pump by flexible pipe for even setting；
Described rainfall control device includes rain sensor, A/D modular converters and signal processing module, described rainfall
Sensor is arranged on the lower section of test circuit, and the output end of rain sensor connects the input of A/D modular converters, A/D conversions
The output end of module connects the input of signal processing module, and the output end of signal processing module connects the control of adjustable speed water pump respectively
The control signal input of signal input part and spray angles controlled motor processed.
The horizontal range L of described test circuit distance test (DT) shaft tower1For 1m~10m, test circuit is sensed apart from rainfall
The vertical distance L of device2=2L1, the horizontal range L of spraying rack distance test (DT) circuit3=2L1, the height L of spraying rack4=4L1。
Described rainwater spray equipment also includes drain sump, and described drain sump is arranged on the lower section of rain sensor.
Described spray angles controlled motor is stepper motor.
Described signal processing module is STC8051 single-chip microcomputers.
Described multiple shower nozzles are set in a row on a mounting board, and the distance between adjacent shower nozzle is 0.4m~0.5m.
The waveform of described pressue device output surge voltage is time operation wave before major wave, wave front time TmFor 1000 μ
S ± 20%, half time to peaks TtFor 8000 μ s ± 30%, the delivery efficiency of operation ripple is 65%~75%.
A kind of UHV transmission line the air gap rain dodges test method, comprises the following steps：
A, the horizontal range L for determining test circuit and experiment shaft tower1, start and spray angles controlled motor be set, make spray
The spray direction of head and the angle of test circuit are 45 °, subsequently into step B；
B, established standardses rainfall and input signal processing module, start adjustable speed water pump and extract test water, when rainfall is passed
The actual rainfall of sensor feedback enters step C when reaching standard rainfall；
C, the gap length d=L for estimating do not drench with rain condition lower wire and shaft tower1When Air Gap Breakdown Voltage Uk, Ran Houjin
Enter step D；
D, note are U to the breakdown voltage that test circuit appliesi, i=1,2,3 ... ..., n, n >=26, the U as i=11=
Uk, power taking level difference △ U=Uk3%, subsequently into step E；
E, breakdown voltage U is applied to test circuit successivelyi, record the air gap punctures situation, if last application
Breakdown voltage punctures the air gap, then the breakdown voltage applied next time forces down △ U than the breakdown potential that the last time applies,
If the breakdown voltage that the last time applies does not puncture the air gap, the breakdown voltage applied next time applies than last
The high △ U of breakdown voltage, subsequently into step F；
F, calculating U1, U2... ..., UnAverage value U50, it is used as the air gap rain lightning pressure.Described step D and step E
In, breakdown voltage U is applied to test circuitiWhen, if the air gap punctures for continuous more than 5 times, do not make sky by first
The breakdown voltage that gas gap punctures is as UkIf the air gap does not puncture for continuous more than 5 times, makes sky by first
The breakdown voltage that gas gap punctures is as Uk。
In described step E, application breakdown voltage U double to test circuitiTime interval be 3~5min.
The present invention automatically adjusts the rainfall of rainwater spray equipment using rainfall control device, greatly reduces rainfall tune
Time and manpower spent by section process, the operating efficiency of testing crew is not only increased, while being effectively saved water resource；This
Invention is pressurizeed after the actual rainfall that rain sensor feeds back reaches standard rainfall carries out rain sudden strain of a muscle experiment, eliminates rainfall
It need not manually be operated during the improper error brought to result of the test of amount control, applied voltage test, fully ensure that experiment people
The personal safety of member, and testing crew can be primarily focused on rain lightning pressure and the observation electric discharge when record generation rain dodges
Whether path is normal, further increases the accuracy of result of the test.
Brief description of the drawings
Fig. 1 is the structural representation of rainwater spray equipment of the present invention；
Fig. 2 is the theory diagram of rainfall control device of the present invention.
Embodiment
As depicted in figs. 1 and 2, UHV transmission line the air gap of the present invention rain dodges experimental rig, including examination
Test circuit 1, experiment shaft tower 2, pressue device, rainwater spray equipment and rainfall control device.Test circuit 1 can use any rule
The actual UHV transmission line of lattice, experiment shaft tower 2 is included on the simulation tower leg and cross-arm being made of high-strength corner iron, tower leg
The pin nail parallel with test circuit is provided with, to simulate actual shaft tower framework.Pressue device, which is used to apply test circuit 1, to be punctured
Voltage, because UHV transmission line switching overvoltage wave front time is longer, usually more than 1000 μ s, and equidistance air
The long front of wave impulse sparkover voltage in gap is significantly improved compared with standard switching impulse discharge voltage, and the present invention is for wire-shaft tower air
Gap operating discharge test uses time operation wave before major wave, wave front time TmFor 1000 μ s ± 20%, half time to peaks TtFor
8000 μ s ± 30%, the delivery efficiency of operation ripple is 65%~75%.Pressue device in the present embodiment is CDYH-3200kV/
320kJ impulse voltage generators, surge voltage is measured using FY-3200kV underdampings condenser divider, and its nominal voltage is
3200kV, high voltage arm capacitor amount 400pF, partial response time T α≤100nS, overshoot β≤20%, scale factor uncertainty K ε
<± 1%.
The rainwater spray equipment of the present invention includes spraying rack 3, installing plate 4, multiple shower nozzles 5, adjustable speed water pump 6 and spray angles
Controlled motor 7.Spraying rack 3 is arranged on the side of test circuit 1, and multiple shower nozzles 5 are arranged in rows on installing plate 4, adjacent shower nozzle 5
The distance between be 0.4m~0.5m, the water inlet end of shower nozzle 5 passes through flexible pipe and connects adjustable speed water pump 6.Spray angles controlled motor 7
Using stepper motor, the top of spraying rack 3 is arranged on.The power output shaft connection plate 4 of spray angles controlled motor 7, is used
In spray angles of the control upper nozzle 5 of installing plate 4 to test circuit 1, i.e. the power output shaft of spray angles controlled motor 7 is parallel
In test circuit 1, the water spraying direction of shower nozzle 5 is perpendicular to test circuit.In order to collect the precipitation that shower nozzle 5 is sprayed, the present invention
Drain sump 8 is additionally provided with the lower section of test circuit 1, water resource has not only been saved, moreover it is possible to the neat and tidy in guarantee test place.
The rainfall control device of the present invention includes rain sensor 9, A/D modular converters and signal processing module, and rainfall is passed
Sensor sets 9 in the lower section of test circuit 1, and rainfall product data can be detected in real time.The output end connection A/D of rain sensor 9
Rainfall product data can be changed into data signal by the input of modular converter, A/D modular converters.The output end of A/D modular converters
The input of signal processing module is connected, the output end of signal processing module connects the control signal input of adjustable speed water pump 6 respectively
End and the control signal input of spray angles controlled motor 7, signal processing module pass through to standard rainfall set in advance
The actual rainfall obtained with measurement is compared, and calculates pump rotary speed adjustment amount according to variance signal and motor angle is adjusted
Amount, and pump rotary speed adjustment amount and motor angle adjustment amount are inputted into adjustable speed water pump 6 and spray angles controlled motor 7 respectively, most
Actual rainfall is reached standard rainfall eventually, and ensure rainwater with 45° angle spray test circuit 1, until completing the air gap
Rain dodges experiment.
The signal processing module of the present invention uses STC8051 single-chip microcomputers, cheap, with preferable economy and practicality
Property.Program part involved by the signal processing module calculating pump rotary speed adjustment amount and motor angle adjustment amount of the present invention belongs to
The numerical relation of prior art, variance signal and pump rotary speed adjustment amount and motor angle adjustment amount can be logical according to practical experience
Overtesting is obtained.According to different voltage class, the horizontal range L1 of the tower leg of 1 distance test (DT) shaft tower of test circuit 2 for 1m~
10m, while in order to which guarantee test circuit 1 does not discharge rain sensor 9, test circuit 1 apart from rain sensor 9 it is vertical away from
From L2=2L1, the horizontal range L3=2L1 of the distance test (DT) circuit 1 of spraying rack 3, in order to ensure spray raindrop with 45° angle
It is dropped on test circuit 1, the height L4=4L1 of spraying rack 3.
The present invention dodges experimental rig using above-mentioned UHV transmission line the air gap rain and carries out UHV transmission line sky
The method that gas gap rain dodges experiment comprises the following steps：
A, the horizontal range L for determining test circuit 1 and experiment shaft tower 21, and set gradually rain sensor 9 and spraying rack
3, start and spray angles controlled motor 7 is set, it is 45 °, Ran Houjin to make the spray direction of shower nozzle 5 and the angle of test circuit 1
Enter step B.
B, established standardses rainfall and input signal processing module, start adjustable speed water pump 6 and extract test water, when rainfall is passed
When the actual rainfall that sensor 9 feeds back reaches standard rainfall, rainfall control device will make condition of raining to meet experiment all the time
It is required that, into step C.
C, estimate and do not drench with rain under the conditions of, the gap length d=L of wire and shaft tower1When Air Gap Breakdown Voltage Uk, then
Into step D.
D, note are U to the breakdown voltage that test circuit 1 appliesi, i=1,2,3 ... ..., n, n >=26, the U as i=11=
Uk, power taking level difference △ U=Uk3%, subsequently into step E.
E, breakdown voltage U is applied to test circuit 1 successivelyi, record the air gap punctures situation, if last application
Breakdown voltage punctures the air gap, then the breakdown voltage applied next time forces down △ U than the breakdown potential that the last time applies,
If the breakdown voltage that the last time applies does not puncture the air gap, the breakdown voltage applied next time applies than last
The high △ U of breakdown voltage, i.e., the breakdown voltage applied next time always by last the air gap puncture situation depending on, make application
Breakdown voltage move closer to the rainy the air gap lightning pressure of conditions present.
In order to avoid the U estimatedkValue is too high or too low and causes error, and the present invention is applying breakdown potential to test circuit 1
Press UiWhen, if the air gap punctures for continuous more than 5 times, break Continuous Breakdown situation by first, the air gap is not made
The breakdown voltage punctured is as UkIf the air gap does not puncture for continuous more than 5 times, break continuous by first
Do not puncture situation, make the breakdown voltage that the air gap punctures as Uk.In addition, in order to avoid the breakdown potential of last time application
Press the influence to testing next time, application breakdown voltage U double to test circuitiTime interval be 3~5min so that
Space ion fully spreads.
F, calculating U1, U2... ..., UnAverage value U50, it is used as the air gap rain lightning pressure.
With reference to specific embodiment to UHV transmission line the air gap of the present invention rain dodge experimental rig and
Method is described in detail.
The present embodiment uses 1：1 simulation interstitial structure is straight by division diameter 1.04m, division spacing 400mm, sub-conductor
Footpath 27.6mm (LGJQ-400) eight split conductors are as test circuit, and wire both ends are mounted on grading ring, hang wire
Suspension insulator be 1000kV composite insulators, total length is 9400mm.Simulation is made using high-strength corner iron in the present embodiment
Tower leg and cross-arm, and appropriate location installs the pin dolly set plan actual shaft tower framework parallel with wire additional on tower leg, simulation tower leg is wide
Degree is that 1.4m, length are 8m.Spraying rack upper nozzle drenches with rain area coverage for 3m*2m, and spray direction is in 45 ° with wire, using adding
1000 μ s long wave head switching impulse ripples are used when pressure device pressurizes.
Under different environment temperatures, using the test water of different electrical conductivity, different standard rainfalls are set and led
The gap length of line-shaft tower, is pressed such as the institute of table 1 the air gap rain lightning that test circuit continuous several times application test voltage is obtained
Show：
The intense rainfall condition lower wire of table 1-shaft tower the air gap rain dodges result of the test
Wherein, d is the horizontal range of the gap length of wire and shaft tower, i.e. test lead and experiment shaft tower, and I is standard drop
Rainfall, t is environment temperature, γ20It is test water electrical conductivity, U50It is to calculate obtained the air gap rain lightning pressure, σ is standard
Difference.
Finally it should be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations, other
The rain of voltage class dodges experimental rig and method, or is also existed using the rain sudden strain of a muscle experimental rig and method of other forms surge voltage
Within the protection domain of this patent.
It will be understood by those within the art that：It modifies to the technical scheme described in previous embodiment,
Or equivalent substitution is carried out to which part or all technical characteristic, the essence of appropriate technical solution is departed from the present invention
The scope of technical scheme.
Claims (10)
1. UHV transmission line the air gap rain dodges experimental rig, including test circuit, experiment shaft tower and pressue device, it is special
Levy and be：Also include rainwater spray equipment and rainfall control device, described rainwater spray equipment include spraying rack, installing plate,
Multiple shower nozzles, adjustable speed water pump and spray angles controlled motor, described spraying rack are arranged on the side of test circuit, described spray
Drench angle-controlled motor and be arranged on the top of spraying rack, the output shaft connection plate of spray angles controlled motor, described is more
Individual shower nozzle is uniformly arranged on a mounting board, and positioned at the top of test circuit, shower nozzle connects adjustable speed water pump by flexible pipe；
Described rainfall control device includes rain sensor, A/D modular converters and signal processing module, described rainfall sensing
Device is arranged on the lower section of test circuit, and the output end of rain sensor connects the input of A/D modular converters, A/D modular converters
Output end connect the input of signal processing module, the output end of signal processing module connects the control letter of adjustable speed water pump respectively
The control signal input of number input and spray angles controlled motor.
2. UHV transmission line the air gap as claimed in claim 1 rain dodges experimental rig, it is characterised in that：Described examination
Test the horizontal range L of circuit distance test (DT) shaft tower1For 1m ~ 10m, vertical distance L of the test circuit apart from rain sensor2=2L1,
The horizontal range L of spraying rack distance test (DT) circuit3=2L1, the height L of spraying rack4=4L1。
3. UHV transmission line the air gap as claimed in claim 1 rain dodges experimental rig, it is characterised in that：Described rain
Water spray system also includes drain sump, and described drain sump is arranged on the lower section of rain sensor.
4. UHV transmission line the air gap as claimed in claim 1 rain dodges experimental rig, it is characterised in that：Described spray
Pouring angle-controlled motor is stepper motor.
5. UHV transmission line the air gap as claimed in claim 1 rain dodges experimental rig, it is characterised in that：Described letter
Number processing module is STC8051 single-chip microcomputers.
6. UHV transmission line the air gap as claimed in claim 1 rain dodges experimental rig, it is characterised in that：Described is more
Individual shower nozzle is set in a row on a mounting board, and the distance between adjacent shower nozzle is 0.4m ~ 0.5m.
7. UHV transmission line the air gap as claimed in claim 1 rain dodges experimental rig, it is characterised in that：Described adds
The waveform of pressure device output surge voltage is time operation wave before major wave, wave front time Tm For 1000μs± 20%, half time to peak
TtFor 8000μs± 30%, the delivery efficiency of operation ripple is 65% ~ 75%.
Enter 8. the UHV transmission line the air gap rain any one of a kind of utilization claim 1 to 7 dodges experimental rig
The method that row UHV transmission line the air gap rain dodges experiment, it is characterised in that comprise the following steps：
A, the horizontal range L for determining test circuit and experiment shaft tower1, start and spray angles controlled motor be set, make the spray of shower nozzle
The angle for drenching direction and test circuit is 45 °, subsequently into step B；
B, established standardses rainfall and input signal processing module, start adjustable speed water pump and extract test water, work as rain sensor
The actual rainfall of feedback enters step C when reaching standard rainfall；
C, the gap length for estimating do not drench with rain condition lower wire and shaft towerd = L1When Air Gap Breakdown VoltageU k, subsequently into
Step D；
D, note are to the breakdown voltage that test circuit appliesU i, i=1,2,3 ... ..., n, n >=26, as i=1U 1= U k, power taking
Level difference △U= U k3%, subsequently into step E；
E, successively to test circuit apply breakdown voltageU i, record the air gap punctures situation, if the last breakdown potential applied
Pressure punctures the air gap, then the breakdown voltage applied next time forces down △ than the breakdown potential that the last time appliesUIf, upper one
The breakdown voltage of secondary application does not puncture the air gap, then the breakdown voltage applied next time punctures than last time application
The high △ of voltageU, subsequently into step F；
F, calculatingU 1,U 2... ...,U nAverage valueU 50, it is used as the air gap rain lightning pressure.
9. UHV transmission line the air gap as claimed in claim 8 rain dodges test method, it is characterised in that：Described step
In rapid D and step E, breakdown voltage is applied to test circuitU iWhen, if the air gap punctures for continuous more than 5 times, by
One does not make the breakdown voltage conduct that the air gap puncturesU k, will if the air gap does not puncture for continuous more than 5 times
First makes the breakdown voltage conduct that the air gap puncturesU k 。
10. UHV transmission line the air gap as claimed in claim 9 rain dodges test method, it is characterised in that：Described
In step E, to the double application breakdown voltage of test circuitU iTime interval be 3~5min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710386268.7A CN107064762B (en) | 2017-05-26 | 2017-05-26 | Ultra-high voltage transmission line air gap rain flash test device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710386268.7A CN107064762B (en) | 2017-05-26 | 2017-05-26 | Ultra-high voltage transmission line air gap rain flash test device and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107064762A true CN107064762A (en) | 2017-08-18 |
| CN107064762B CN107064762B (en) | 2023-07-04 |
Family
ID=59610775
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710386268.7A Active CN107064762B (en) | 2017-05-26 | 2017-05-26 | Ultra-high voltage transmission line air gap rain flash test device and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107064762B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107422236A (en) * | 2017-08-31 | 2017-12-01 | 南方电网科学研究院有限责任公司 | Dry arc distance selection method for 500kVCT casing pipe |
| CN107490751A (en) * | 2017-08-31 | 2017-12-19 | 南方电网科学研究院有限责任公司 | Dry arc distance selection method for 500kV transformer bushing |
| CN107561421A (en) * | 2017-08-31 | 2018-01-09 | 中国南方电网有限责任公司电网技术研究中心 | Dry arc distance selection method for 500kV porcelain post insulator |
| CN111751681A (en) * | 2020-06-15 | 2020-10-09 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | Network access detection test method for layered insulator |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015105649A (en) * | 2013-12-03 | 2015-06-08 | 株式会社日立製作所 | Rainwater pump control device |
| CN106353644A (en) * | 2016-07-25 | 2017-01-25 | 国家电网公司 | Testing device and method for studying influence of rainfall of dusty weather on electronic puncture voltage |
-
2017
- 2017-05-26 CN CN201710386268.7A patent/CN107064762B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015105649A (en) * | 2013-12-03 | 2015-06-08 | 株式会社日立製作所 | Rainwater pump control device |
| CN106353644A (en) * | 2016-07-25 | 2017-01-25 | 国家电网公司 | Testing device and method for studying influence of rainfall of dusty weather on electronic puncture voltage |
Non-Patent Citations (1)
| Title |
|---|
| 耿翠英;陈守聚;刘莘昱;吕中宾;杨晓辉;朱华;: "降雨对空气间隙工频闪络电压影响的试验研究", 高压电器, no. 01 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107422236A (en) * | 2017-08-31 | 2017-12-01 | 南方电网科学研究院有限责任公司 | Dry arc distance selection method for 500kVCT casing pipe |
| CN107490751A (en) * | 2017-08-31 | 2017-12-19 | 南方电网科学研究院有限责任公司 | Dry arc distance selection method for 500kV transformer bushing |
| CN107561421A (en) * | 2017-08-31 | 2018-01-09 | 中国南方电网有限责任公司电网技术研究中心 | Dry arc distance selection method for 500kV porcelain post insulator |
| CN107490751B (en) * | 2017-08-31 | 2020-06-30 | 南方电网科学研究院有限责任公司 | Dry arc distance selection method for 500kV transformer bushing |
| CN111751681A (en) * | 2020-06-15 | 2020-10-09 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | Network access detection test method for layered insulator |
| CN111751681B (en) * | 2020-06-15 | 2022-07-29 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | Network access detection test method for layered insulator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107064762B (en) | 2023-07-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107064762A (en) | UHV transmission line the air gap rain dodges experimental rig and method | |
| CN103236666B (en) | Transmission line located lightening arresting method | |
| CN110161304B (en) | Method for calculating absorbed energy and residual voltage of line arrester under action of multiple lightning | |
| Radičević et al. | Impact of wind turbine blade rotation on the lightning strike incidence–A theoretical and experimental study using a reduced-size model | |
| CN205016965U (en) | Overhead transmission line lightning protection device and resistant thunder horizontal checkout system thereof | |
| CN112287523B (en) | Method and device for detecting overvoltage of circuit breaker under multiple lightning strokes | |
| CN104502802A (en) | Method and system for recognizing lightning strike fault and lightning strike fault type of power transmission line | |
| CN107153150A (en) | A kind of power distribution network over-voltage fault type recognition method and device | |
| CN104833903A (en) | Method for determining gap distance of surge arresters containing series gapped structures along with altitude change | |
| CN204101480U (en) | A kind of high voltage power transmission and transforming line detector | |
| CN104410360A (en) | Safe operation method of photovoltaic power generation system, training method for artificial neural network and real-time detection method in safe operation method, and real-time detection device | |
| CN109188090A (en) | The nonlinear test method of different humidity electric resistance of soil in vertical demixing soil | |
| CN107729680B (en) | Method for evaluating lightning stroke probability of fan blade | |
| CN105488572B (en) | Power distribution equipment health state evaluation method | |
| Rodrigues et al. | Protection of interconnected wind turbines against lightning effects: Overvoltages and electromagnetic transients study | |
| CN112257238A (en) | Method and device for evaluating insulation damage risk of circuit breaker under multiple thunder | |
| CN103500248A (en) | Method for constructing transient state fault feather sample library of high-voltage direct-current power transmission system | |
| CN203981826U (en) | The detection platform of circuit phase ground and alternate gap discharge characteristic under simulation mountain fire condition | |
| CN109188091B (en) | The test method of electric resistance of soil nonlinear characteristic under a kind of different in moisture content | |
| CN204101481U (en) | A kind of high voltage power transmission and transforming line detector | |
| CN104600650B (en) | Wire ground wire combination DC ice melting test method based on all insulation ground line technology | |
| CN104298284A (en) | Dehumidification device for high-tension switch cabinet | |
| CN105321027A (en) | Lightning protection method and apparatus for power transmission line | |
| CN102707166A (en) | Arrester protecting effect analyzing method taking residual voltage and nonlinear resistance into account | |
| CN106771878B (en) | A kind of monitoring method of wind power plant shaft tower lightning stroke drop point |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |