CN109059818A - A kind of insulator and wire icing state equivalence calculation method - Google Patents
A kind of insulator and wire icing state equivalence calculation method Download PDFInfo
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- CN109059818A CN109059818A CN201810674864.XA CN201810674864A CN109059818A CN 109059818 A CN109059818 A CN 109059818A CN 201810674864 A CN201810674864 A CN 201810674864A CN 109059818 A CN109059818 A CN 109059818A
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- Prior art keywords
- icing
- insulator
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- ice
- wire
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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
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/02—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness
- G01B21/08—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness for measuring thickness
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/16—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring distance of clearance between spaced objects
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Insulators (AREA)
Abstract
The invention discloses a kind of insulators and wire icing state equivalence calculation method, it includes the following steps: (1) measure traverse line ice covering thickness Ld；Step 2, according to wire icing thickness LdCalculate covering ice for insulator thickness Lj；Step 3, measurement sleet clearance distance d and umbrella spacing L, step 4 calculate icing bridge joint coefficient η；The problems such as solving the difficulty that can not obtain insulator chain ice coating state in time, saving a large amount of manpower and material resources, improve transmission line of electricity operational reliability；The prior art only individually studies wire icing, measures to the icing of insulator, the relationship being not concerned between the icing feature of the two, so that current power transmission route scene lacks effective icing severity of implementing and observes and the technical problems such as evaluation measures.
Description
Technical field:
The invention belongs to icing monitoring technical fields more particularly to a kind of insulator and wire icing state equivalence to calculate
Method.
Background technique:
Transmission line of electricity external insulating strength is the primary condition for guaranteeing route, equipment and operating normally, the superiority and inferiority of external insulation design
It is the important indicator for examining designing quality.The transmission line of electricity of different voltages grade has different according to its highest operating voltage
The selection of the air gap and insulator the piece number and type.The design method of current power transmission route external insulating level relies primarily on true type
Test and operating experience have direct relation, the icing of insulator since the ice of insulator dodges characteristic and its ice coating state
Flashover property is the Primary Reference foundation of powerline ice-covering insulation configuration；Conducting wire and covering ice for insulator process are complicated, microcosmic
In angle, it is related with the quantity of water droplet cooling in unit volume, size and collection coefficient；On macroscopic perspective, it is by ring
The factors such as border temperature, wind speed, wind direction, surface field intensity, structure influence.The prior art is for micro climate, mima type microrelief to insulation
Son and conducting wire have carried out system research, have obtained the factors such as wind speed, wind direction, temperature, pollution degree, insulator type to ice coating state
Influence, almost all of research is individual conductor icing, measuring to insulator, and obtains insulator chain
Ice coating state has difficulties, the relationship being not concerned between the icing feature of the two, therefore the research of this respect still belongs to blank；Make
It obtains current power transmission route scene and lacks effective implementation icing severity observation and evaluation measures.
Summary of the invention:
The technical problem to be solved in the present invention: providing a kind of insulator and wire icing state equivalence calculation method, with
Solving the prior art, only individually research wire icing obtains insulator chain and covers there is no measuring to the icing of insulator
The difficulty of ice-like state, the relationship being not concerned between the icing feature of the two, so that current power transmission route scene lacks effective reality
Apply the technical problems such as the observation of icing severity and evaluation measures.
Technical solution of the present invention:
A kind of insulator and wire icing state equivalence calculation method, it includes:
Step 1, measure traverse line ice covering thickness Ld；
Step 2, according to wire icing thickness LdCalculate covering ice for insulator thickness Lj；
Step 3, measurement sleet clearance distance d and umbrella spacing L,
Step 4 calculates icing bridge joint coefficient η.
The covering ice for insulator thickness LjCalculation formula be
Lj=K1×K2×K3×Ld；In formula: LdFor wire icing thickness, LjFor covering ice for insulator thickness；K1、K2、K3Respectively
For temperature, contain rainfall and wind speed correction factor.
Icing bridge joint coefficient η calculation formula be
η=(L-d)/L × 100%, η is that icing bridges coefficient in formula, and L is umbrella spacing, and unit cm, d are sleet gap
Distance, unit cm.
Beneficial effects of the present invention:
The present invention passes through the equivalent relation established between covering ice for insulator thickness and wire icing thickness, convenient and efficient calculating
Covering ice for insulator thickness out solves the difficulty that can not obtain insulator chain ice coating state in time, saves a large amount of manpower and material resources,
The problems such as improving transmission line of electricity operational reliability；The prior art only individually studies wire icing, and do not cover insulator
Ice measures, the relationship being not concerned between the icing feature of the two, so that current power transmission route scene lacks effective implementation
The technical problems such as the observation of icing severity and evaluation measures.
Specific embodiment:
A kind of insulator and wire icing state equivalence calculation method, it includes:
Step 1, measure traverse line ice covering thickness Ld；
Step 2, according to wire icing thickness LdCalculate covering ice for insulator thickness Lj；
Step 3, measurement sleet clearance distance d and umbrella spacing L,
Step 4 calculates icing bridge joint coefficient η.
The covering ice for insulator thickness LjCalculation formula be
Lj=K1×K2×K3×Ld；In formula: LdFor wire icing thickness, LjFor covering ice for insulator thickness；K1、K2、K3Respectively
For temperature, contain rainfall and wind speed correction factor；Also referred to as weight coefficient；The coefficient can be by big in UHV AC Test Base
Type ring border climatizer has carried out environment temperature, spray time, has contained the factors such as rainfall, wind speed to conducting wire and covering ice for insulator shape
Relation curve between state determines.
Icing bridge joint coefficient η calculation formula be
η=(L-d)/L × 100%, η is that icing bridges coefficient in formula, and L is umbrella spacing, and unit cm, d are sleet gap
Distance, unit cm.
Pass through above-mentioned calculated result wire icing thickness LdCalculate covering ice for insulator thickness LjBetween relationship and icing
Coefficient is bridged, the icing severity of transmission line of electricity is obtained；It is covered to solve current power transmission route scene and lack effective implementation
The problems such as observation of ice severity and evaluation measures.
Claims (3)
1. a kind of insulator and wire icing state equivalence calculation method, it includes:
Step 1, measure traverse line ice covering thickness Ld；
Step 2, according to wire icing thickness LdCalculate covering ice for insulator thickness Lj；
Step 3, measurement sleet clearance distance d and umbrella spacing L,
Step 4 calculates icing bridge joint coefficient η.
2. a kind of insulator according to claim 1 and wire icing state equivalence calculation method, it is characterised in that: institute
State covering ice for insulator thickness LjCalculation formula be Lj=K1×K2×K3×Ld；In formula: LdFor wire icing thickness, LjFor insulation
Sub- ice covering thickness；K1、K2、K3Respectively temperature, contain rainfall and wind speed correction factor.
3. a kind of insulator according to claim 1 and wire icing state equivalence calculation method, it is characterised in that: cover
The calculation formula that ice bridge meets coefficient η is
η=(L-d)/L × 100%, η is that icing bridges coefficient in formula, and L is umbrella spacing, and unit cm, d are sleet clearance distance,
Unit is cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810674864.XA CN109059818A (en) | 2018-06-27 | 2018-06-27 | A kind of insulator and wire icing state equivalence calculation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810674864.XA CN109059818A (en) | 2018-06-27 | 2018-06-27 | A kind of insulator and wire icing state equivalence calculation method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109059818A true CN109059818A (en) | 2018-12-21 |
Family
ID=64821216
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810674864.XA Pending CN109059818A (en) | 2018-06-27 | 2018-06-27 | A kind of insulator and wire icing state equivalence calculation method |
Country Status (1)
| Country | Link |
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| CN (1) | CN109059818A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110378066A (en) * | 2019-07-29 | 2019-10-25 | 贵州电网有限责任公司 | A kind of anchor support electric power line ice-covering thickness calculation method |
| CN111428942A (en) * | 2020-04-16 | 2020-07-17 | 贵州电网有限责任公司 | Line icing thickness prediction method for extracting micro-terrain factors based on variable grid technology |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101281046A (en) * | 2008-05-16 | 2008-10-08 | 重庆大学 | Atmospheric structure ice covering parameter measurement method and multi-conductor ice accumulation device |
| CN105513039A (en) * | 2015-07-10 | 2016-04-20 | 中国电力科学研究院 | Charged insulator string icing bridging degree intelligent image analysis method |
| CN106153097A (en) * | 2016-06-27 | 2016-11-23 | 中国电力科学研究院 | --icing insulator string icing degree characterizing method |
-
2018
- 2018-06-27 CN CN201810674864.XA patent/CN109059818A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101281046A (en) * | 2008-05-16 | 2008-10-08 | 重庆大学 | Atmospheric structure ice covering parameter measurement method and multi-conductor ice accumulation device |
| CN105513039A (en) * | 2015-07-10 | 2016-04-20 | 中国电力科学研究院 | Charged insulator string icing bridging degree intelligent image analysis method |
| CN106153097A (en) * | 2016-06-27 | 2016-11-23 | 中国电力科学研究院 | --icing insulator string icing degree characterizing method |
Non-Patent Citations (2)
| Title |
|---|
| 张志劲等: "环境参数对绝缘子表面覆冰增长的影响", 《高电压技术》 * |
| 谭绒，郑国: "输电导线覆冰与绝缘子串覆冰的关系分析", 《电力建设》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110378066A (en) * | 2019-07-29 | 2019-10-25 | 贵州电网有限责任公司 | A kind of anchor support electric power line ice-covering thickness calculation method |
| CN110378066B (en) * | 2019-07-29 | 2023-06-09 | 贵州电网有限责任公司 | Method for calculating icing thickness of tension tower power transmission line |
| CN111428942A (en) * | 2020-04-16 | 2020-07-17 | 贵州电网有限责任公司 | Line icing thickness prediction method for extracting micro-terrain factors based on variable grid technology |
| CN111428942B (en) * | 2020-04-16 | 2022-06-07 | 贵州电网有限责任公司 | Line icing thickness prediction method for extracting micro-terrain factors based on variable grid technology |
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Application publication date: 20181221 |