CN106157177A - A kind of transmission line of electricity snowfall wide area monitoring and pre-alarming method based on miniradar - Google Patents
A kind of transmission line of electricity snowfall wide area monitoring and pre-alarming method based on miniradar Download PDFInfo
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- CN106157177A CN106157177A CN201610606054.1A CN201610606054A CN106157177A CN 106157177 A CN106157177 A CN 106157177A CN 201610606054 A CN201610606054 A CN 201610606054A CN 106157177 A CN106157177 A CN 106157177A
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- snowfall
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q50/00—Systems or methods specially adapted for specific business sectors, e.g. utilities or tourism
- G06Q50/06—Electricity, gas or water supply
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01W—METEOROLOGY
- G01W1/00—Meteorology
- G01W1/10—Devices for predicting weather conditions
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- 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
Abstract
The present invention discloses a kind of transmission line of electricity snowfall wide area monitoring and pre-alarming method based on miniradar, it is characterised in that said method comprising the steps of: step 1: obtain power transmission line corridor real-time weather situation by miniradar；Step 2: judge whether to reach snowfall condition；Step 3: gather meteorological data near shaft tower；Step 4: judge circuit snow depth；Step 5: combined circuit shaft tower parameter and historical failure data；Step 6: obtain line drop snow disaster evil threshold value of warning；Step 7: carry out circuit snowfall Monitoring and forecasting system in real-time.Present invention firstly provides and transmission line of electricity is carried out snowfall monitoring, at icing, wave etc. before ice disaster occurs and give warning in advance；Present invention lead-in line pole tower historical failure data in snowfall early warning first, sets snowfall threshold value of warning in conjunction with tower structure parameter, highly reliable.
Description
Technical field
The present invention relates to a kind of monitoring and pre-alarming method, be specifically related to a kind of transmission line of electricity snowfall wide area based on miniradar
Monitoring and pre-alarming method.
Background technology
Snowfall transmission line of electricity can be caused to occur icing, ice dodge, wave, fall the accident such as tower, broken string, serious threat electrical network
Safe operation.Power transmission line corridor snowfall situation is monitored early warning, is conducive to improving line corridor ice disaster protection energy
Power, ensures electrical network reliably, stably run.
Prior art mainly utilizes weather forecast data or automatic weather station, microclimate device to carry out weather monitoring and pre-
Alert.The advantage that monitoring range is wide although weather forecast data have, space scale is big, but wide, the major part of distribution is arranged in
The transmission line of electricity in field, the meteorologic parameter provided is the finest, it is impossible to observe the meteorological shape near concrete overhead line structures
Condition；Although automatic weather station, microclimate device can describe weather parameters with becoming more meticulous, but because of the least limitation of monitoring range,
Transmission line of electricity snowfall wide area to be realized is monitored, and networking is required arranges that website is more, causes plant maintenance workload big, increases line
Road operation maintenance personnel workload.
In view of this, it is necessary to a kind of transmission line of electricity snowfall wide area monitoring and pre-alarming method based on miniradar is provided, with
Solve the problems referred to above.
Summary of the invention
In order to overcome above-mentioned the deficiencies in the prior art, it is an object of the invention to provide a kind of transmission of electricity based on miniradar
Circuit snowfall wide area monitoring and pre-alarming method, utilizes miniradar to obtain power transmission line corridor real-time weather situation, it may be judged whether to reach
To snowfall condition；Gather meteorological data near shaft tower, it is judged that circuit snow depth, combined circuit shaft tower parameter and historical failure number
According to, obtain the threshold value of warning causing circuit disaster under Snowfall, circuit snowfall is carried out Monitoring and forecasting system in real-time.
In order to realize foregoing invention purpose, the present invention adopts the following technical scheme that: a kind of power transmission line based on miniradar
Road snowfall wide area monitoring and pre-alarming method, it is characterised in that said method comprising the steps of:
Step 1: obtain power transmission line corridor real-time weather parameter by miniradar；
Step 2: the meteorologic parameter that analytical procedure 1 radar returns, it may be judged whether reach snowfall condition；
Step 3: gather meteorological data near shaft tower by automatic weather station or microclimate device；
Step 4: meteorological data near the shaft tower that analytical procedure 3 returns, whether checking accumulated snow condition is set up；If accumulated snow condition becomes
Vertical, then judge circuit snow depth；
Step 5: obtain overhead line structures parameter and historical failure data；
Step 6: the overhead line structures parameter of analytical procedure 5 acquisition and historical failure data, obtains line drop snow disaster evil threshold value of warning；
Step 7: when reaching threshold value of warning, carries out circuit snowfall Monitoring and forecasting system in real-time.
Transmission line of electricity snowfall wide area monitoring and pre-alarming method based on miniradar as above, it is characterised in that described
In step 1, miniradar is arranged near transmission line of electricity, Radar meteorology parameter is back at backstage by wireless transmission method
Reason center, described Radar meteorology parameter includes that echo strength, multilayer reflectivity, many interval velocities, multilayered particles, vertically-supplying air are wide
Line；Meteorologic parameter predictive time scope scope is 50m × 50m ~ 2km × 2km.
Transmission line of electricity snowfall wide area monitoring and pre-alarming method based on miniradar as above, it is characterised in that described
In step 2, use meteorological treatment technology, including plane position indicator PPI image recognition, expansion rate orientation display EVAD skill
Art, analyzes radar and returns meteorologic parameter, it is judged that whether meet the condition of snowfall under the conditions of current weather.
Transmission line of electricity snowfall wide area monitoring and pre-alarming method based on miniradar as above, it is characterised in that described
In step 3, automatic weather station, microclimate device are arranged on overhead line structures or near shaft tower, by wireless transmission method by bar
Near tower, meteorological data is back to background process center, and near described shaft tower, meteorological data comprises temperature, humidity, wind speed.
Transmission line of electricity snowfall wide area monitoring and pre-alarming method based on miniradar as above, it is characterised in that described
In step 4, owing to the temperature near accumulated snow and circuit has direct relation, need to utilize automatic weather station, microclimate device to return
Shaft tower temperature, humidity, the meteorological data that becomes more meticulous of wind speed, checking accumulated snow condition whether set up；If accumulated snow condition is set up, then profit
With the empirical value corresponding with Radar meteorology parameter of snowfall under Snowfall, it is determined that circuit snow depth.
Transmission line of electricity snowfall wide area monitoring and pre-alarming method based on miniradar as above, it is characterised in that described
In step 5, long data when shaft tower parameter comprises pole and tower design load, tower, electric pressure, insulator type, military service；History event
Barrier packet contains the sudden strain of a muscle of line insulator ice, wire icing, waves casualty data.
Transmission line of electricity snowfall wide area monitoring and pre-alarming method based on miniradar as above, it is characterised in that described
In step 6, dodge by statistics snow depth, snowfall duration, the parameter of shaft tower parameter with shaft tower tower, line insulator ice, lead
Line icing, the relation waved between the historical failure data of accident, respectively obtain circuit tower, ice sudden strain of a muscle, icing, accident of waving exist
Threshold value of warning under Snowfall.
Transmission line of electricity snowfall wide area monitoring and pre-alarming method based on miniradar as above, it is characterised in that described
In step 7, when reaching threshold value of warning, utilize note or wechat mode, by circuit real-time early warning result, comprise advanced warning grade,
Early warning shaft tower, circuit disaster distribution, at times, classification do not sends to line upkeep staff, it is achieved line drop snow disaster
Evil Monitoring and forecasting system in real-time.
Compared with prior art, the present invention has a following beneficial effect:
1, the present invention monitors line corridor meteorological condition, the monitoring range of existing mesoscale by miniradar, can provide again
Locally become more meticulous meteorological data in real time；
2, the present invention utilizes miniradar to realize constructing communication network, and networking website is few, and plant maintenance workload is little；
3, present invention firstly provides transmission line of electricity is carried out snowfall monitoring, at icing, wave etc. before ice disaster occurs and carry
Front early warning；
4, present invention lead-in line pole tower historical failure data in snowfall early warning first, sets snowfall in conjunction with tower structure parameter
Threshold value of warning, highly reliable.
Accompanying drawing explanation
Fig. 1 is the flow chart of transmission line of electricity snowfall wide area monitoring and pre-alarming method based on miniradar.
Detailed description of the invention
In order to be more fully understood that the present invention, it is further elucidated with present disclosure below in conjunction with embodiment, but the present invention
Content is not limited solely to the following examples.The present invention can be made various changes or modifications by those skilled in the art, these
The equivalent form of value is equally within the scope of claims listed by the application limit.
Such as Fig. 1, the present invention provides a kind of transmission line of electricity snowfall wide area monitoring and pre-alarming method based on miniradar, described side
Method comprises the following steps:
Step 1: obtain power transmission line corridor real-time weather parameter by miniradar；
Step 2: the meteorologic parameter that analytical procedure 1 radar returns, it may be judged whether reach snowfall condition；
Step 3: gather meteorological data near shaft tower by automatic weather station or microclimate device；
Step 4: meteorological data near the shaft tower that analytical procedure 3 returns, whether checking accumulated snow condition is set up；If accumulated snow condition becomes
Vertical, then judge circuit snow depth；
Step 5: obtain overhead line structures parameter and historical failure data；
Step 6: the overhead line structures parameter of analytical procedure 5 acquisition and historical failure data, obtains line drop snow disaster evil threshold value of warning；
Step 7: when reaching threshold value of warning, carries out circuit snowfall Monitoring and forecasting system in real-time.
In described step 1, miniradar is arranged near transmission line of electricity (such as transformer station, residential block etc.), by wireless biography
Radar meteorology parameter is back to background process center by defeated mode, and described Radar meteorology parameter includes that echo strength, multilamellar are anti-
Penetrate rate, many interval velocities, multilayered particles, vertical wind profile etc.；Meteorologic parameter predictive time scope scope is 50m × 50m ~ 2km × 2km.
In described step 2, use meteorological treatment technology, such as plane position indicator (being called for short PPI) image recognition, extension speed
Degree orientation shows technology such as (being called for short EVAD), analyzes radar and returns meteorologic parameter, it is judged that whether meets fall under the conditions of current weather
The condition of snow.
In described step 3, automatic weather station, microclimate device are arranged on overhead line structures or near shaft tower, by wireless
Meteorological data near shaft tower is back to background process center by transmission means, near described shaft tower meteorological data comprise temperature,
Humidity, wind speed etc..
In described step 4, owing to the temperature near accumulated snow and circuit has direct relation, need to utilize automatic weather station, micro-
The meteorological datas that become more meticulous such as the shaft tower temperature of Meteorological Device return, humidity, wind speed, whether checking accumulated snow condition is set up；If accumulated snow
Condition is set up, the empirical value that under recycling Snowfall, snowfall is corresponding with Radar meteorology parameter, it is determined that circuit snow depth.
In described step 5, shaft tower parameter comprises such as pole and tower design load, tower, electric pressure, insulator type, military service
The data such as duration；Historical failure data comprises the sudden strain of a muscle of line insulator ice, wire icing, the casualty data such as waves.
In described step 6, fall tower, circuit by the statistics parameter such as snow depth, snowfall duration, shaft tower parameter and shaft tower exhausted
The sudden strain of a muscle of edge ice, wire icing, the relation waved between the historical failure data such as accident, respectively obtain circuit tower, ice dodges, covers
Ice, the accident threshold value of warning under Snowfall such as wave.
In described step 7, when reaching threshold value of warning, utilize the mode such as note or wechat, by circuit real-time early warning result
(comprising advanced warning grade, early warning shaft tower, circuit disaster distribution etc.) at times, classification do not send to line upkeep work people
Member, it is achieved line drop snow disaster evil Monitoring and forecasting system in real-time.
The content that this specification is not described in detail belongs to prior art known to professional and technical personnel in the field.
Claims (8)
1. a transmission line of electricity snowfall wide area monitoring and pre-alarming method based on miniradar, it is characterised in that described method includes
Following steps:
Step 1: obtain power transmission line corridor real-time weather parameter by miniradar；
Step 2: the meteorologic parameter that analytical procedure 1 radar returns, it may be judged whether reach snowfall condition；
Step 3: gather meteorological data near shaft tower by automatic weather station or microclimate device；
Step 4: meteorological data near the shaft tower that analytical procedure 3 returns, whether checking accumulated snow condition is set up；If accumulated snow condition becomes
Vertical, then judge circuit snow depth；
Step 5: obtain overhead line structures parameter and historical failure data；
Step 6: the overhead line structures parameter of analytical procedure 5 acquisition and historical failure data, obtains line drop snow disaster evil threshold value of warning；
Step 7: when reaching threshold value of warning, carries out circuit snowfall Monitoring and forecasting system in real-time.
Transmission line of electricity snowfall wide area monitoring and pre-alarming method based on miniradar the most according to claim 1, its feature exists
In, in described step 1, miniradar is arranged near transmission line of electricity, Radar meteorology parameter is returned by wireless transmission method
To background process center, described Radar meteorology parameter includes echo strength, multilayer reflectivity, many interval velocities, multilayered particles, hangs down
Straight Wind outline；Meteorologic parameter predictive time scope scope is 50m × 50m ~ 2km × 2km.
Transmission line of electricity snowfall wide area monitoring and pre-alarming method based on miniradar the most according to claim 1, its feature exists
In, in described step 2, use meteorological treatment technology, show including plane position indicator PPI image recognition, expansion rate orientation
Show EVAD technology, analyze radar and return meteorologic parameter, it is judged that under the conditions of current weather, whether meet the condition of snowfall.
Transmission line of electricity snowfall wide area monitoring and pre-alarming method based on miniradar the most according to claim 1, its feature exists
In, in described step 3, automatic weather station, microclimate device are arranged on overhead line structures or near shaft tower, by the side of being wirelessly transferred
Meteorological data near shaft tower is back to background process center by formula, and near described shaft tower, meteorological data comprises temperature, humidity, wind
Speed.
Transmission line of electricity snowfall wide area monitoring and pre-alarming method based on miniradar the most according to claim 1, its feature exists
In, in described step 4, owing to the temperature near accumulated snow and circuit has direct relation, need to utilize automatic weather station, microclimate to fill
Putting the meteorological data that becomes more meticulous of the shaft tower temperature of return, humidity, wind speed, whether checking accumulated snow condition is set up；If accumulated snow condition becomes
Vertical, that under recycling Snowfall, snowfall is corresponding with Radar meteorology parameter empirical value, it is determined that circuit snow depth.
Transmission line of electricity snowfall wide area monitoring and pre-alarming method based on miniradar the most according to claim 1, its feature exists
In, in described step 5, long number when shaft tower parameter comprises pole and tower design load, tower, electric pressure, insulator type, military service
According to；Historical failure data comprises the sudden strain of a muscle of line insulator ice, wire icing, waves casualty data.
Transmission line of electricity snowfall wide area monitoring and pre-alarming method based on miniradar the most according to claim 1, its feature exists
In, in described step 6, fall tower, line insulator by statistics snow depth, snowfall duration, parameter and the shaft tower of shaft tower parameter
Ice sudden strain of a muscle, wire icing, the relation waved between the historical failure data of accident, respectively obtain circuit and fall tower, ice sudden strain of a muscle, icing, dance
Dynamic accident threshold value of warning under Snowfall.
Transmission line of electricity snowfall wide area monitoring and pre-alarming method based on miniradar the most according to claim 1, its feature exists
In, in described step 7, when reaching threshold value of warning, utilize note or wechat mode, by circuit real-time early warning result, comprise pre-
Alert grade, early warning shaft tower, circuit disaster distribution, at times, classification do not sends to line upkeep staff, it is achieved circuit
Snowfall disaster Monitoring and forecasting system in real-time.
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106845822A (en) * | 2017-01-18 | 2017-06-13 | 国家电网公司 | One kind is ice-covering-proof to wave technological transformation project efficiency evaluation method and system |
| CN108643252A (en) * | 2018-06-28 | 2018-10-12 | 武汉智网兴电科技开发有限公司 | A kind of electric power line pole tower column foot landslide detecting system |
| CN109782376A (en) * | 2019-02-13 | 2019-05-21 | 南京信大气象科学技术研究院有限公司 | A kind of radar snow depth automatic observer based on Step Frequency |
| CN111291027A (en) * | 2020-01-15 | 2020-06-16 | 杭州华网信息技术有限公司 | Data preprocessing method |
| CN111443400A (en) * | 2019-10-29 | 2020-07-24 | 国网电力科学研究院武汉南瑞有限责任公司 | Wind power prediction method, prediction device, prediction system and storage medium |
| CN111458769A (en) * | 2020-05-26 | 2020-07-28 | 南京大学 | Method and system for predicting environmental meteorological data of power transmission line |
| CN113126182A (en) * | 2019-12-31 | 2021-07-16 | 北京四维智联科技有限公司 | Accumulated snow depth prediction method and system |
| CN113447998A (en) * | 2021-06-29 | 2021-09-28 | 国网山西省电力公司电力科学研究院 | Power transmission line severe weather monitoring and early warning method and monitoring and early warning device |
| CN114049755A (en) * | 2021-12-13 | 2022-02-15 | 夏若凡 | Environment testing system and testing method |
| CN117471452A (en) * | 2023-12-28 | 2024-01-30 | 江苏讯汇科技股份有限公司 | Method for monitoring conductor galloping of power transmission line based on millimeter wave radar |
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| CN111458769A (en) * | 2020-05-26 | 2020-07-28 | 南京大学 | Method and system for predicting environmental meteorological data of power transmission line |
| CN113447998A (en) * | 2021-06-29 | 2021-09-28 | 国网山西省电力公司电力科学研究院 | Power transmission line severe weather monitoring and early warning method and monitoring and early warning device |
| CN114049755A (en) * | 2021-12-13 | 2022-02-15 | 夏若凡 | Environment testing system and testing method |
| CN117471452A (en) * | 2023-12-28 | 2024-01-30 | 江苏讯汇科技股份有限公司 | Method for monitoring conductor galloping of power transmission line based on millimeter wave radar |
| CN117471452B (en) * | 2023-12-28 | 2024-03-08 | 江苏讯汇科技股份有限公司 | Method for monitoring conductor galloping of power transmission line based on millimeter wave radar |
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