CN113219365A - Multifunctional on-line monitoring system and monitoring method for operating state of power transmission line - Google Patents
Multifunctional on-line monitoring system and monitoring method for operating state of power transmission line Download PDFInfo
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- CN113219365A CN113219365A CN202110298723.4A CN202110298723A CN113219365A CN 113219365 A CN113219365 A CN 113219365A CN 202110298723 A CN202110298723 A CN 202110298723A CN 113219365 A CN113219365 A CN 113219365A
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 18
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- 229910052742 iron Inorganic materials 0.000 claims abstract description 9
- 239000011248 coating agent Substances 0.000 claims description 14
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- 239000004020 conductor Substances 0.000 claims description 9
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
- G01R31/52—Testing for short-circuits, leakage current or ground faults
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
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- G—PHYSICS
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- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B19/00—Alarms responsive to two or more different undesired or abnormal conditions, e.g. burglary and fire, abnormal temperature and abnormal rate of flow
- G08B19/02—Alarm responsive to formation or anticipated formation of ice
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
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Abstract
The invention relates to a multifunctional on-line monitoring system and a monitoring method for the running state of a power transmission line. The existing power transmission line monitoring function is single and is divided into a non-electric quantity detection method and an electric quantity detection method, and the defect that accident hidden dangers cannot be found as early as possible and eliminated in time is caused, so that the power transmission line cannot normally run in a good state. The invention comprises the following components: the system comprises a collection system (1) which is installed on an iron tower (11) and internally comprises a data collection device (13), a communication network (16) and a meteorological monitoring center (20), wherein the collection system is respectively connected with a group of collectors (2) through a protection device and is respectively connected with a solar cell panel (3), a smart phone (9), a temperature sensor (4), a humidity sensor (5), a component force receiving device (6), a group of cameras (7), a rainfall sensor (8) and a background analysis system (10). The invention is used for the multifunctional on-line monitoring system of the running state of the power transmission line.
Description
Technical Field
The invention relates to the field of power grid power transmission line detection, in particular to a multifunctional on-line monitoring system and a monitoring method for the running state of a power transmission line.
Background
Along with the development of industrial and agricultural production, high requirements are provided for the power supply quality of a power system, according to statistics, pollution flashover trip-out rate in some domestic areas is high, huge loss is caused to national economy, meanwhile, snow disasters and the like occurring in northeast areas also cause great loss to the power transmission system, and therefore the monitoring of the state of a high-voltage power transmission line is very necessary; the existing transmission line detection method comprises the following steps that monitoring equipment is single in monitoring function and is divided into a non-electric quantity detection method and an electric quantity detection method, wherein the non-electric quantity detection method comprises an observation method, an ultraviolet imaging method, an ultrasonic detection method, an infrared temperature measurement method, a radio wave method, a laser Doppler method and the like; the electric quantity detection method comprises an electric field measurement method, a leakage current method, a pulse current method and the like, and has the defects that accident potential hazards cannot be found early and eliminated in time, so that the power transmission line cannot normally run in a good state, and various accidents are increased.
Disclosure of Invention
The invention aims to provide a multifunctional online monitoring system and a monitoring method for the running state of a power transmission line.
The above purpose is realized by the following technical scheme:
a multifunctional on-line monitoring system for the running state of a power transmission line comprises the following components: collection system, collection system install on the iron tower, its inside data acquisition device, communication network, meteorological monitoring center of including, collection system pass through protection device and be connected with a set of collector respectively, collection system be connected with solar cell panel, smart mobile phone, temperature sensor, humidity transducer, component receiving arrangement, a set of camera, rainfall sensor, backstage analytic system respectively, data acquisition device pass through signal shielded wire and keep apart the changer and be connected, keep apart the changer and gather the ring with revealing current and be connected, revealing current gather the ring and install in the insulator top.
The multifunctional on-line monitoring system for the running state of the power transmission line is characterized in that the communication network is respectively connected with a group of cameras and the background analysis system, the communication network is connected with the meteorological monitoring center, the smart phone and the meteorological monitoring device, and the meteorological monitoring device is respectively connected with the temperature sensor, the humidity sensor, the rainfall sensor, the wind speed sensor, the wind direction sensor and the baroceptor.
A multifunctional on-line monitoring system and a monitoring method for the running state of a power transmission line are disclosed, wherein the method comprises the following steps: firstly, an acquisition device is arranged on an iron tower, namely a high-voltage tower of a transmission line according to actual requirements on site, a background analysis system is arranged in a power supply office, and the on-line monitoring system is divided into three subsystems to monitor the transmission line of the system;
(1) the filth leakage current monitoring subsystem:
the insulator pollution leakage current monitoring subsystem consists of a leakage current snap ring, a high-frequency high-linearity leakage current sensor, a signal preprocessing unit, a data acquisition unit, a protection device and an environment temperature, humidity and expert analysis system, wherein information is transmitted to the data acquisition device in the acquisition system through a leakage current acquisition ring on the insulator, then the information enters a background analysis system for analysis, and the information is transmitted to a smart phone by alarming;
(2) and a microclimate area meteorological information monitoring subsystem:
the meteorological information monitoring subsystem compresses the collected parameters by monitoring the temperature, humidity, wind speed, wind direction, rainfall and atmospheric pressure parameters of the environment of the power transmission line on line, transmits the data to a meteorological monitoring center through a communication network for an analysis system to comprehensively analyze the running state of the line, simultaneously displays all the data to a user through various reports, statistical graphs and curves, and sends alarm information to a smart phone of a relevant person in a short message mode by adopting sound and light alarm when abnormal conditions occur;
(3) the dangerous point video image information monitoring subsystem:
the method comprises the steps of monitoring and analyzing the gravity change and the vibration frequency change of the power transmission line to judge the current ice coating amount and the amplitude of conductor galloping, sending the ice coating amount and the amplitude of conductor galloping to a monitoring center in real time, integrating various parameters by an expert analysis system, obtaining the ice coating degree and the development trend according to the field temperature, humidity, wind speed, wind direction and the parameters of the gravity and the galloping amplitude of the conductor, timely carrying out early warning and responding to the safe and reliable conditions of the operation power transmission line, timely carrying out multiple-mode warning on the overproof power transmission line, and guiding the overhaul and the prevention.
Has the advantages that:
1. the invention mainly provides a multifunctional on-line monitoring system for the running state of a power transmission line and a monitoring method thereof, wherein the structure comprises three monitoring states, overcomes the condition that the monitoring function of monitoring equipment in the prior art is single, integrates various state quantities to judge the equipment state, is favorable for finding out the relation among the state quantities, provides great help for deeply analyzing the essential causes of the phenomena appearing on the power transmission line, improves the reliability of the monitoring system, can timely and effectively monitor and manage a power transmission line network, accurately captures fault symptoms and timely alarms and solves the problems.
2. The system improves the automation degree of the power system, reduces various accidents, monitors the state of the line in real time by applying an online monitoring technology, can discover accident potential early and eliminate the accident potential timely, and enables the line to operate in a good state all the time.
3. The invention carries out timely early warning and real-time online monitoring on the phenomenon of ice coating and snow cover waving of the ultrahigh voltage transmission line running in a severe atmosphere environment, can transmit images, gravity and meteorological data of measuring points to a system host computer through a communication network, and the host computer obtains the states of ice coating and snow cover and the development trend of the transmission line according to the meteorological information of temperature, humidity, wind speed, wind direction and the like of a line site, and carries out alarm in various ways on the overproof transmission line in time, thereby ensuring that personnel in an electric power department can receive alarm information in the first time, and guiding the maintenance and taking related preventive measures on the transmission line in the first time.
Description of the drawings:
FIG. 1 is a schematic structural diagram of the present invention.
FIG. 2 is a schematic structural diagram of a foul leakage current monitoring subsystem according to the present invention.
FIG. 3 is a schematic diagram of a dangerous point video image information monitoring subsystem according to the present invention.
FIG. 4 is a schematic structural diagram of a meteorological information monitoring subsystem for a microclimate area according to the invention.
Wherein: 1. the system comprises a collecting system, 2, a collector, 3, a solar cell panel, 4, a temperature sensor, 5, a humidity sensor, 6, a component force receiving device, 7, a camera, 8, a rainfall sensor, 9, a smart phone, 10, a background analysis system, 11, an iron tower, 12, an isolation transmitter, 13, a data collecting device, 14, a leakage current collecting ring, 15, an insulator, 16, a communication network, 17, a wind speed sensor, 18, a wind direction sensor, 19, a pressure sensor, 20, a meteorological monitoring center, 21 and a meteorological monitoring device.
The specific implementation mode is as follows:
example 1:
a multifunctional on-line monitoring system for the running state of a power transmission line comprises the following components: collection system, collection system install on iron tower 11, its inside data acquisition device 13, communication network 16, meteorological monitoring center 20 of including, collection system pass through protection device and be connected with a set of collector 2 respectively, collection system be connected with solar cell panel 3, smart mobile phone 9, temperature sensor 4, humidity transducer 5, component receiving arrangement 6, a set of camera 7, rain sensor 8, backstage analytic system 10 respectively, data acquisition device pass through signal shielded wire and isolation changer 12 and be connected, isolation changer and leakage current collection ring 14 be connected, leakage current collection ring install in insulator 15 top.
Example 2:
the multifunctional on-line monitoring system for the running state of the power transmission line in the embodiment 1 is characterized in that the communication network is respectively connected with the group of cameras and the background analysis system, the communication network is connected with the meteorological monitoring center, the smart phone and the meteorological monitoring device 21, and the meteorological monitoring device is respectively connected with the temperature sensor, the humidity sensor, the rainfall sensor, the wind speed sensor 17, the wind direction sensor 18 and the air pressure sensor 19.
Example 3:
a monitoring method using the multifunctional online monitoring system for the operation state of the power transmission line described in embodiment 1-2, the method comprising:
firstly, an acquisition device is arranged on an iron tower, namely a high-voltage tower of a transmission line according to actual requirements on site, a background analysis system is arranged in a power supply office, and the on-line monitoring system is divided into three subsystems to monitor the transmission line of the system;
(1) the filth leakage current monitoring subsystem:
the insulator pollution leakage current monitoring subsystem consists of a leakage current snap ring, a high-frequency high-linearity leakage current sensor, a signal preprocessing unit, a data acquisition unit, a protection device and an environment temperature, humidity and expert analysis system, wherein information is transmitted to the data acquisition device in the acquisition system through a leakage current acquisition ring on the insulator, then the information enters a background analysis system for analysis, and the information is transmitted to a smart phone by alarming;
(2) and a microclimate area meteorological information monitoring subsystem:
the meteorological information monitoring subsystem compresses the collected parameters by monitoring the temperature, humidity, wind speed, wind direction, rainfall and atmospheric pressure parameters of the environment of the power transmission line on line, transmits the data to a meteorological monitoring center through a communication network for an analysis system to comprehensively analyze the running state of the line, simultaneously displays all the data to a user through various reports, statistical graphs and curves, and sends alarm information to a smart phone of a relevant person in a short message mode by adopting sound and light alarm when abnormal conditions occur;
the subsystem mainly comprises a communication base station of monitoring units such as a temperature sensor, a humidity sensor, a wind speed and direction sensor, a rainfall sensor, an air pressure sensor and the like and an analysis query system 3. The monitoring unit is installed on a line iron tower and monitors parameters such as ambient temperature, humidity, wind speed, wind direction, rainfall, atmospheric pressure and the like. The communication base station is arranged in the monitoring center and is responsible for receiving the data of each monitoring point and issuing a center command. The analysis query system is arranged in the monitoring center computer and is responsible for storing, analyzing and querying various data information. The system can timely know meteorological data of a microclimate area of the line and evaluate the contamination degree of the surface of the insulator by combining with the electrical characteristic quantity of leakage current; a large amount of meteorological data can be accumulated for a long time, and a basis is provided for planning and designing a line and implementing state maintenance;
(3) the dangerous point video image information monitoring subsystem:
the method comprises the steps of monitoring and analyzing the gravity change and the vibration frequency change of the power transmission line to judge the current ice coating amount and the amplitude of conductor galloping, sending the ice coating amount and the amplitude of conductor galloping to a monitoring center in real time, integrating various parameters by an expert analysis system, obtaining the ice coating degree and the development trend according to the field temperature, humidity, wind speed, wind direction and the parameters of the gravity and the galloping amplitude of the conductor, timely carrying out early warning and responding to the safe and reliable conditions of the operation power transmission line, timely carrying out multiple-mode warning on the overproof power transmission line, and guiding the overhaul and the prevention.
The method comprises the steps of carrying out timely early warning and real-time online monitoring on the phenomenon of ice coating and snow cover waving of the ultrahigh-voltage power transmission line running in a severe atmosphere environment, transmitting images, gravity and meteorological data of measuring points to a system host through a communication network, obtaining the states of ice coating and snow cover and the development trend of the power transmission line by the host according to the meteorological information such as the temperature, humidity, wind speed and wind direction of a line site, carrying out alarm in multiple modes on the overproof power transmission line in time, ensuring that personnel in an electric power department receive alarm information in the first time, and guiding to overhaul and take related preventive measures on the power transmission line in the first time.
According to the method, the insulator with the contamination exceeding standard is alarmed in multiple modes in time, the overhaul and cleaning are guided, the occurrence of pollution flashover accidents is prevented, and the conditions of ice coating, snow accumulation, wind swing and the like of a tower site are provided for a user by utilizing video image information, a vibration frequency sensor and a gravity sensor; the accurate position of the fault point is determined by using a GPS satellite positioning system, a foundation is laid for timely taking measures by an operation department, and meanwhile, information sharing based on WEB is provided.
Claims (3)
1. A multifunctional on-line monitoring system for the running state of a power transmission line comprises the following components: the collection system is characterized in that: collection system install on the iron tower, its inside data acquisition device, communication network, meteorological monitoring center of including, collection system pass through protection device and be connected with a set of collector respectively, collection system be connected with solar cell panel, smart mobile phone, temperature sensor, humidity transducer, component force receiving arrangement, a set of camera, rainfall sensor, backstage analytic system respectively, data acquisition device pass through the signal shielded wire and be connected with isolation changer, isolation changer and the collection ring of leakage current be connected, the collection ring of leakage current install in the insulator top.
2. The multifunctional online monitoring system for the running state of the power transmission line according to claim 1, which is characterized in that: the communication network is respectively connected with a group of cameras and the background analysis system, the communication network is connected with the meteorological monitoring center, the smart phone and the meteorological monitoring device, and the meteorological monitoring device is respectively connected with the temperature sensor, the humidity sensor, the rainfall sensor, the wind speed sensor, the wind direction sensor and the baroceptor.
3. A monitoring method of the multifunctional on-line monitoring system for the operation state of the power transmission line as claimed in any one of claims 1-2, which is characterized in that: the method comprises the following steps:
firstly, an acquisition device is arranged on an iron tower, namely a high-voltage tower of a transmission line according to actual requirements on site, a background analysis system is arranged in a power supply office, and the on-line monitoring system is divided into three subsystems to monitor the transmission line of the system;
(1) the filth leakage current monitoring subsystem:
the insulator pollution leakage current monitoring subsystem consists of a leakage current snap ring, a high-frequency high-linearity leakage current sensor, a signal preprocessing unit, a data acquisition unit, a protection device and an environment temperature, humidity and expert analysis system, wherein information is transmitted to the data acquisition device in the acquisition system through a leakage current acquisition ring on the insulator, then the information enters a background analysis system for analysis, and the information is transmitted to a smart phone by alarming;
(2) and a microclimate area meteorological information monitoring subsystem:
the meteorological information monitoring subsystem compresses the collected parameters by monitoring the temperature, humidity, wind speed, wind direction, rainfall and atmospheric pressure parameters of the environment of the power transmission line on line, transmits the data to a meteorological monitoring center through a communication network for an analysis system to comprehensively analyze the running state of the line, simultaneously displays all the data to a user through various reports, statistical graphs and curves, and sends alarm information to a smart phone of a relevant person in a short message mode by adopting sound and light alarm when abnormal conditions occur;
(3) the dangerous point video image information monitoring subsystem:
the method comprises the steps of monitoring and analyzing the gravity change and the vibration frequency change of the power transmission line to judge the current ice coating amount and the amplitude of conductor galloping, sending the ice coating amount and the amplitude of conductor galloping to a monitoring center in real time, integrating various parameters by an expert analysis system, obtaining the ice coating degree and the development trend according to the field temperature, humidity, wind speed, wind direction and the parameters of the gravity and the galloping amplitude of the conductor, timely carrying out early warning and responding to the safe and reliable conditions of the operation power transmission line, timely carrying out multiple-mode warning on the overproof power transmission line, and guiding the overhaul and the prevention.
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| CN202110298723.4A CN113219365A (en) | 2021-03-20 | 2021-03-20 | Multifunctional on-line monitoring system and monitoring method for operating state of power transmission line |
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| CN202110298723.4A CN113219365A (en) | 2021-03-20 | 2021-03-20 | Multifunctional on-line monitoring system and monitoring method for operating state of power transmission line |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116643205A (en) * | 2023-05-24 | 2023-08-25 | 湖南城市学院 | Leakage current detection method, system and medium for power transmission circuit |
| CN117330893A (en) * | 2023-09-28 | 2024-01-02 | 重庆览辉信息技术有限公司 | Power transmission line fault monitoring system |
| CN117746595A (en) * | 2023-12-27 | 2024-03-22 | 国网黑龙江省电力有限公司大庆供电公司 | Ice coating early warning system for power transmission line |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101038186A (en) * | 2006-06-10 | 2007-09-19 | 伊仁图太 | Device for online warning freezing and swing of transmission line |
| CN204439744U (en) * | 2015-01-21 | 2015-07-01 | 王庆军 | A kind of transmission line faultlocating system based on ARM |
-
2021
- 2021-03-20 CN CN202110298723.4A patent/CN113219365A/en not_active Withdrawn
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101038186A (en) * | 2006-06-10 | 2007-09-19 | 伊仁图太 | Device for online warning freezing and swing of transmission line |
| CN204439744U (en) * | 2015-01-21 | 2015-07-01 | 王庆军 | A kind of transmission line faultlocating system based on ARM |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116643205A (en) * | 2023-05-24 | 2023-08-25 | 湖南城市学院 | Leakage current detection method, system and medium for power transmission circuit |
| CN116643205B (en) * | 2023-05-24 | 2023-12-01 | 湖南城市学院 | Leakage current detection method, system and medium for power transmission circuit |
| CN117330893A (en) * | 2023-09-28 | 2024-01-02 | 重庆览辉信息技术有限公司 | Power transmission line fault monitoring system |
| CN117330893B (en) * | 2023-09-28 | 2024-06-07 | 重庆览辉信息技术有限公司 | Power transmission line fault monitoring system |
| CN117746595A (en) * | 2023-12-27 | 2024-03-22 | 国网黑龙江省电力有限公司大庆供电公司 | Ice coating early warning system for power transmission line |
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