CN109212368A - A kind of resistance to lightning current ablation capability assessment method of lead wire and earth wire in transmission line - Google Patents
A kind of resistance to lightning current ablation capability assessment method of lead wire and earth wire in transmission line Download PDFInfo
- Publication number
- CN109212368A CN109212368A CN201811303646.1A CN201811303646A CN109212368A CN 109212368 A CN109212368 A CN 109212368A CN 201811303646 A CN201811303646 A CN 201811303646A CN 109212368 A CN109212368 A CN 109212368A
- Authority
- CN
- China
- Prior art keywords
- lightning current
- wire
- transmission line
- conducting wire
- resistance
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electric Cable Installation (AREA)
- Testing Relating To Insulation (AREA)
Abstract
The invention discloses a kind of resistance to lightning current ablation capability assessment methods of lead wire and earth wire in transmission line, this method are as follows: by testing 5 different conductor cross-sectional sizes, conducting wire sub-thread diameter, lightning current size, lightning current waveform type, remaining pull-off force sides relationship with the resistance to lightning current ablation ability of lead wire and earth wire in transmission line respectively, obtain the qualitative assessment data of 5 aspects, comprehensive assessment is carried out to the resistance to lightning current ablation ability of lead wire and earth wire in transmission line, technical support is provided for the resistance to thunder type selecting of lead wire and earth wire in transmission line, to ensure power network safety operation.
Description
Technical field
The invention belongs to compressed air energy storage technology fields, and in particular to a kind of resistance to lightning current ablation of lead wire and earth wire in transmission line
Capability assessment method.
Background technique
Electric load be in one day it is non-uniform, noon and occur peakload twice at night, the late into the night be then electricity consumption most
Few low ebb load, as generation of electricity by new energy scale is increasing, generate electricity counter regulation the problem of bring power grid peak-valley difference to ask
Inscribe more and more prominent, there is an urgent need to effective technical solutions to solve.
Compressed-air energy-storage system is considered as most promising one of extensive power energy storage technology, has energy storage
The advantages that scale is big, the storage period is long, environmental pollution is small.But current compressed-air energy-storage system still pass through manual type into
A kind of automatic control system and its control method are badly in need of in row start and stop, carry out start and stop starting compressor system respectively according to grid condition
System, expander system, consume energy process into electricity consumption or power generation release can process, reach power grid and disappear peak load purpose.
Summary of the invention
Technical problem solved by the present invention is providing a kind of lead wire and earth wire in transmission line resistance to lightning current ablation capability evaluation side
Method carries out the technical problems such as artificial start stop system working efficiency is low to solve the prior art.
The technical scheme adopted by the invention is as follows: a kind of resistance to lightning current ablation capability assessment method of lead wire and earth wire in transmission line, it should
Method the following steps are included:
Step 1: utilize lead wire and earth wire in transmission line lightning current ablation platform, choosing section is respectively 50mm2,70 mm2,95 mm2,
The power line conductive of 120 mm2,150 mm2,180 mm2,210 mm2,240 mm2,300 mm2 and 400 ten kinds of specifications of mm2
Ground wire applies same magnitude lightning current to this ten kinds of conducting wires respectively, obtains between conductor cross-section size and conducting wire ablation degree
Relationship；
Step 2: choosing same sectional area and the different conducting wire of number of share of stock, apply same magnitude lightning current to it, obtain conducting wire sub-thread
Relationship between diameter and conducting wire ablation degree；
Step 3: different amplitude of lightning current sizes being applied to ten kinds of gauge wires selected by step 1 respectively, obtain lightning current width
The relationship being worth between size and conducting wire ablation degree；
Step 4: respectively to ten kinds of gauge wires selected by step 1 apply A component lightning current waveforms, B component lightning current waveform,
C component lightning current waveform and D component lightning current waveform, obtain the relationship between lightning current waveform type and conducting wire ablation degree；
Step 5: remaining pull-off force test being carried out to step 1 and step 4 conductor sample respectively, obtains test lead residue pull-off force
With the relationship between conducting wire ablation degree；
By step 1- step 5 obtain conductor cross-section size, conducting wire sub-thread diameter, lightning current size, lightning current waveform type and
The resistance to lightning current ablation ability of lead wire and earth wire in transmission line is quantitatively evaluated in remaining pull-off force.
Beneficial effects of the present invention: compared with prior art, conductor cross-section size that the present invention obtains, conducting wire sub-thread are straight
Five diameter, lightning current size, lightning current waveform type, remaining pull-off force aspects are to the resistance to lightning current ablation energy of lead wire and earth wire in transmission line
Power carries out the comprehensive assessment of quantitative data, provides technical support for the resistance to thunder type selecting of lead wire and earth wire in transmission line, to ensure that power grid is pacified
Full stable operation.
Detailed description of the invention
Fig. 1 is present invention assessment schematic diagram.
Specific embodiment
With reference to the accompanying drawing and the present invention is described further in specific embodiment.
Embodiment 1: as shown in Figure 1, a kind of resistance to lightning current ablation capability assessment method of lead wire and earth wire in transmission line, this method packet
Include following steps:
Step 1: utilize lead wire and earth wire in transmission line lightning current ablation platform, choosing section is respectively 50mm2,70 mm2,95 mm2,
The power line conductive of 120 mm2,150 mm2,180 mm2,210 mm2,240 mm2,300 mm2 and 400 ten kinds of specifications of mm2
Ground wire applies same magnitude lightning current to this ten kinds of conducting wires respectively, obtains between conductor cross-section size and conducting wire ablation degree
Relationship；
Step 2: choosing same sectional area and the different conducting wire of number of share of stock, apply same magnitude lightning current to it, obtain conducting wire sub-thread
Relationship between diameter and conducting wire ablation degree；
Step 3: different amplitude of lightning current sizes being applied to ten kinds of gauge wires selected by step 1 respectively, obtain lightning current width
The relationship being worth between size and conducting wire ablation degree；
Step 4: respectively to ten kinds of gauge wires selected by step 1 apply A component lightning current waveforms, B component lightning current waveform,
C component lightning current waveform and D component lightning current waveform, obtain the relationship between lightning current waveform type and conducting wire ablation degree；
Step 5: remaining pull-off force test being carried out to step 1 and step 4 conductor sample respectively, obtains test lead residue pull-off force
With the relationship between conducting wire ablation degree；
By step 1- step 5 obtain conductor cross-section size, conducting wire sub-thread diameter, lightning current size, lightning current waveform type and
The resistance to lightning current ablation ability of lead wire and earth wire in transmission line is quantitatively evaluated in remaining pull-off force.
It is provided as follows according to tetra- component waveforms of standard SAE ARP 5412A-2005, lightning current A, B, C, D and parameter:
Lightning current component A, initial high peak currents, peak value are 200 ± 20kA, and the duration is less than or equal to 500 μ s, and action integral is
2×106±0.4×106A2∙s.The component can be it is unidirectional, be also possible to oscillation, waveform does not provide.
Thunder and lightning flow component B, intermediate current, average amplitude are 2 ± 0.2kA, and the maximum duration is 5ms, and maximum charge passes
The amount of passing is 10C, and waveform does not provide, but must be unidirectional.
Thunder and lightning flow component C, follow current, peak value 200-800A, the duration between 0.25-1s, the electricity that is transmitted
Lotus amount is 200 ± 40C, and waveform does not provide, but must be unidirectional.
Thunder and lightning flow component D, reignition electric current, peak value are 100 ± 10kA, and the duration is less than or equal to 500 μ s, effect product
Be divided into 0.25 × 106 ± 0.05 × 106A2 s, the component can be it is unidirectional, be also possible to oscillation, waveform does not provide.
Lightning current A-D component respectively represents return stroke current for the first time, intermediate current, the continuous current of lightning current in practical lightning stroke
And subsequent return stroke current part, different components are in amplitude and difference on the duration.
The quantitative data for 5 aspects that the present invention obtains.Technical support is provided for the resistance to thunder type selecting of lead wire and earth wire in transmission line, from
And ensure power network safety operation.
Example that the above description is merely a specific embodiment, scope of protection of the present invention is not limited thereto.It is ripe
It knows the those skilled in the art in the technical scope disclosed by the present invention, change or replacement mode can be easily found, these
It should be covered by the protection scope of the present invention.For this purpose, protection scope of the present invention should be with the protection model of the claim
Subject to enclosing.
Claims (1)
1. a kind of resistance to lightning current ablation capability assessment method of lead wire and earth wire in transmission line, it is characterised in that: this method includes following step
It is rapid:
Step 1: utilizing lead wire and earth wire in transmission line lightning current ablation platform, choosing section is respectively 50mm2, 70 mm2、95 mm2、
120 mm2、150 mm2、180 mm2、210 mm2、240 mm2、300 mm2With 400 mm2The power line conductive of ten kinds of specifications
Line applies same magnitude lightning current to this ten kinds of conducting wires respectively, obtains the pass between conductor cross-section size and conducting wire ablation degree
System；
Step 2: choosing same sectional area and the different conducting wire of number of share of stock, apply same magnitude lightning current to it, obtain conducting wire sub-thread
Relationship between diameter and conducting wire ablation degree；
Step 3: different amplitude of lightning current sizes being applied to ten kinds of gauge wires selected by step 1 respectively, obtain lightning current width
The relationship being worth between size and conducting wire ablation degree；
Step 4: respectively to ten kinds of gauge wires selected by step 1 apply A component lightning current waveforms, B component lightning current waveform,
C component lightning current waveform and D component lightning current waveform, obtain the relationship between lightning current waveform type and conducting wire ablation degree；
Step 5: remaining pull-off force test being carried out to step 1 and step 4 conductor sample respectively, obtains test lead residue pull-off force
With the relationship between conducting wire ablation degree；
By step 1- step 5 obtain conductor cross-section size, conducting wire sub-thread diameter, lightning current size, lightning current waveform type and
The resistance to lightning current ablation ability of lead wire and earth wire in transmission line is quantitatively evaluated in remaining pull-off force.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811303646.1A CN109212368B (en) | 2018-11-02 | 2018-11-02 | Method for evaluating lightning current ablation resistance of ground wire of power transmission line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811303646.1A CN109212368B (en) | 2018-11-02 | 2018-11-02 | Method for evaluating lightning current ablation resistance of ground wire of power transmission line |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109212368A true CN109212368A (en) | 2019-01-15 |
| CN109212368B CN109212368B (en) | 2020-12-01 |
Family
ID=64994970
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811303646.1A Active CN109212368B (en) | 2018-11-02 | 2018-11-02 | Method for evaluating lightning current ablation resistance of ground wire of power transmission line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109212368B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112710935A (en) * | 2021-03-29 | 2021-04-27 | 华东交通大学 | Power wire and cable protective layer ablation condition pre-alarming system and method |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10293152A (en) * | 1997-04-18 | 1998-11-04 | Chubu Electric Power Co Inc | Method for testing withstand voltage of rubber and plastic insulated power cable |
| CN101281226A (en) * | 2008-05-27 | 2008-10-08 | 保定天威集团有限公司 | Conducting wire great current impact test method |
| CN102707210A (en) * | 2012-06-29 | 2012-10-03 | 中国能源建设集团广东省电力设计研究院 | Anti-lightning evaluation method and device of high-voltage overhead power transmission line |
| CN203950481U (en) * | 2014-02-08 | 2014-11-19 | 天津市静海县实验中学 | A kind of circuit demonstration device that burns because electric current is excessive |
| CN104635071A (en) * | 2013-11-14 | 2015-05-20 | 海洋王（东莞）照明科技有限公司 | Cable current resistance testing device and testing method |
| CN106841809A (en) * | 2016-12-28 | 2017-06-13 | 国家电网公司 | Multifunctional cable tester |
| CN108594047A (en) * | 2018-06-08 | 2018-09-28 | 国家电网公司 | A method of based on transmission line of electricity damage to crops caused by thunder dangerous point risk identification |
-
2018
- 2018-11-02 CN CN201811303646.1A patent/CN109212368B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10293152A (en) * | 1997-04-18 | 1998-11-04 | Chubu Electric Power Co Inc | Method for testing withstand voltage of rubber and plastic insulated power cable |
| CN101281226A (en) * | 2008-05-27 | 2008-10-08 | 保定天威集团有限公司 | Conducting wire great current impact test method |
| CN102707210A (en) * | 2012-06-29 | 2012-10-03 | 中国能源建设集团广东省电力设计研究院 | Anti-lightning evaluation method and device of high-voltage overhead power transmission line |
| CN104635071A (en) * | 2013-11-14 | 2015-05-20 | 海洋王（东莞）照明科技有限公司 | Cable current resistance testing device and testing method |
| CN203950481U (en) * | 2014-02-08 | 2014-11-19 | 天津市静海县实验中学 | A kind of circuit demonstration device that burns because electric current is excessive |
| CN106841809A (en) * | 2016-12-28 | 2017-06-13 | 国家电网公司 | Multifunctional cable tester |
| CN108594047A (en) * | 2018-06-08 | 2018-09-28 | 国家电网公司 | A method of based on transmission line of electricity damage to crops caused by thunder dangerous point risk identification |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112710935A (en) * | 2021-03-29 | 2021-04-27 | 华东交通大学 | Power wire and cable protective layer ablation condition pre-alarming system and method |
| CN112710935B (en) * | 2021-03-29 | 2021-06-25 | 吉安诺惠诚莘科技有限公司 | Power wire and cable protective layer ablation condition pre-alarming system and method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109212368B (en) | 2020-12-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101598757B (en) | Residual voltage test circuit of controllable metal oxide arrester and method thereof | |
| CN103499753B (en) | Intelligent system for rapidly identifying transient fault of high-voltage direct-current power transmission system | |
| CN102621457B (en) | On-line detection method of metal oxide arrester insulating property influencing factor | |
| CN105375477A (en) | Rural power distribution network line loss calculation method and system | |
| CN105118588A (en) | Method of parallel gap design of composite insulators of 500-kV power transmission line | |
| CN109212368A (en) | A kind of resistance to lightning current ablation capability assessment method of lead wire and earth wire in transmission line | |
| CN105158608A (en) | On-line monitoring method of on-line monitoring system in power station | |
| CN111880046A (en) | Device and method for quickly identifying line fault reason | |
| CN104459375B (en) | The recognition methods of Transient Electromagnetic harassing and wrecking occurs for gas insulated transformer substation secondary device | |
| CN103310078B (en) | Automatic modeling analysis method for over-voltage level of switching reactor of vacuum circuit breaker | |
| CN105548626B (en) | A kind of impulse electric field generation device | |
| CN108493084B (en) | A kind of grid-control TWT cathode ageing activation system and method | |
| CN103049661B (en) | GIS remaining life appraisal procedure and system | |
| CN101598760B (en) | Fractal analysis method for flicker source orientation | |
| CN105071541A (en) | High-reliability substation online monitoring system | |
| CN105057822A (en) | High-voltage pulse deburring device | |
| CN203535198U (en) | Battery dynamic grouping system | |
| CN204934793U (en) | A kind of high-voltage pulse deburring device | |
| CN104410159A (en) | Power grid black start overall process checking method based on real-time digital simulation | |
| CN205336147U (en) | Impulse voltage generator | |
| CN202405770U (en) | Over-voltage protection circuit of power distribution cabinet | |
| CN104134167A (en) | Power-distribution-network state simulation and evaluation system based on mesh topology structure | |
| CN109459330B (en) | Equipment for simulating abrasion of sliding block between bow nets | |
| CN105093038A (en) | On-line monitoring system for transformer station and on-line monitoring method thereof | |
| CN109490591B (en) | High-stability lightning impulse simulator |
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 |