CN105784192A - Method for monitoring power equipment in cable pit online through optical fiber sensing technology - Google Patents

Method for monitoring power equipment in cable pit online through optical fiber sensing technology Download PDF

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Publication number
CN105784192A
CN105784192A CN201610205170.2A CN201610205170A CN105784192A CN 105784192 A CN105784192 A CN 105784192A CN 201610205170 A CN201610205170 A CN 201610205170A CN 105784192 A CN105784192 A CN 105784192A
Authority
CN
China
Prior art keywords
cable
data
optical fiber
equipment
sensing technology
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.)
Pending
Application number
CN201610205170.2A
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Chinese (zh)
Inventor
陈晓东
王全强
凌进
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
State Grid Jiangsu Electric Power Co Ltd
Jiangsu Electric Power Information Technology Co Ltd
Original Assignee
State Grid Jiangsu Electric Power Co Ltd
Jiangsu Electric Power Information Technology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by State Grid Jiangsu Electric Power Co Ltd, Jiangsu Electric Power Information Technology Co Ltd filed Critical State Grid Jiangsu Electric Power Co Ltd
Priority to CN201610205170.2A priority Critical patent/CN105784192A/en
Publication of CN105784192A publication Critical patent/CN105784192A/en
Pending legal-status Critical Current

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Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01KMEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K11/00Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00
    • G01K11/32Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00 using changes in transmittance, scattering or luminescence in optical fibres
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01FMEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/22Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
    • G01F23/28Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring the variations of parameters of electromagnetic or acoustic waves applied directly to the liquid or fluent solid material
    • G01F23/284Electromagnetic waves
    • G01F23/292Light, e.g. infrared or ultraviolet
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01KMEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K1/00Details of thermometers not specially adapted for particular types of thermometer
    • G01K1/02Means for indicating or recording specially adapted for thermometers
    • G01K1/024Means for indicating or recording specially adapted for thermometers for remote indication

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Thermal Sciences (AREA)
  • Fluid Mechanics (AREA)
  • Alarm Systems (AREA)
  • Testing And Monitoring For Control Systems (AREA)
  • Selective Calling Equipment (AREA)

Abstract

The invention discloses a method for monitoring power equipment in a cable pit online through an optical fiber sensing technology, comprising the following steps: optical fiber sensors are installed in a cable pit, and an optical cable is laid into a nearest station and connected to computer control equipment; the computer control equipment analyzes spectral data according to parameter characteristics, and acquires monitoring values of the sensors; the monitoring data is accessed to the Intranet of the power company and collected into an 'intelligent operation and maintenance control platform', and the data is analyzed and judged according to a cable refining module algorithm model to get working state data of equipment in the cable pit; and fault analysis or maintenance analysis is made on the field equipment according to the working state data of the equipment, and alarm information is produced in a timely manner if abnormality is found. According to the method, the working states of field equipment bodies and channels are analyzed and judged based on monitoring data acquired on site and in real time and according to the control logic of the algorithm model, abnormality is found and the alarm is raised in a timely manner, the work efficiency of operation and maintenance is improved, and the work intensity of operation and maintenance personnel is reduced.

Description

By the method that optical fiber sensing technology realizes cable shaft electrical equipment online supervision
Technical field
The invention belongs to power domain, relate to a kind of method realizing cable shaft electrical equipment online supervision by optical fiber sensing technology.
Background technology
Intelligent distribution network is basic link and the important component part of intelligent grid construction, is collection source and the command executing unit of electrical network basis service data, is also the new stage of distribution network automated technical development simultaneously.Along with the technology of Internet of things deep utilization in operation of power networks field, the details of cable body and passage can be obtained in cable shaft in real time by Fibre Optical Sensor, by data analysis and judgement, timely unusual circumstance, advance power distribution network intelligent construction well.
Relative to current power distribution network detection technique, the Heterosis of intelligent distribution network is: the real-time of device data acquisition, hidden danger information active obtaining, data shared resources, and the system expandability is strong, and the intelligent level of senior application is high.In current intelligent grid process of construction,, multiple spot hidden because distribution net equipment has a very wide distribution and disperse and the not easily power taking of monitoring equipment, distribution net equipment working state monitoring and patrol and examine work and be always up weak link, although senior application is also applied in distribution network system, but still intelligent not.
Summary of the invention
It is an object of the invention to provide a kind of method realizing cable shaft electrical equipment online supervision by optical fiber sensing technology, the method is by the duty of Fibre Optical Sensor detection cable shaft power equipment body and passage, it is transferred to Utilities Electric Co.'s inner net computer software controlled device by fiber optic network to resolve, the duty of field apparatus body and passage is analyzed according to the management and control logic of algorithm model and judges by the Monitoring Data obtained in real time at scene, timely unusual circumstance also produces alarm, promote the work efficiency of O&M service work, alleviate operation maintenance personnel working strength.
The purpose of the present invention is achieved through the following technical solutions:
A kind of method realizing cable shaft electrical equipment online supervision by optical fiber sensing technology, it is characterised in that the method comprises the following steps:
1) installing Fibre Optical Sensor in cable shaft, laying optical cable, to station nearby, is connected to computerized equipment;
2) computerized equipment resolves spectroscopic data according to each parameter characteristic, obtains Sensor monitoring value;
3) Monitoring Data accesses Utilities Electric Co. Intranet, first collects " intelligence fortune inspection control platform ", according to cable lean modular algorithm model data is analyzed and judges, drawing equipment working state data in cable shaft;
4) according to equipment working state data, field apparatus carried out accident analysis or examining and analyzing, it has been found that abnormal conditions produce warning information in time.
In the present invention, Fibre Optical Sensor includes: measures the cable optic fibre temperature sensor of cable body temperature, measure the environment fibre-optical temperature sensor of well environment temperature, optical fiber level sensor.Optical cable carries out the molten fibre of tail optical fiber and is connected with Fibre Optical Sensor and computerized equipment.
Further, according to cable lean modular algorithm model data it is analyzed and judges: the data that algorithm model participates in calculating have the Monitoring Data of Real-time Collection in cable shaft, weather data, rainfall data, circuit Real-time Load information, Unit account of plant information, it is divided into cable immersion and does not soak (obtaining according to water level conditions and machine account information) two models to be calculated, when cable is immersed in the water, consider the specific heat tolerance of water and air, make corresponding compensation, thus drawing correct result of calculation.
Account information includes the essential informations such as the title of equipment, rated current, rated voltage, model, manufacturer and the extension information possessed according to device type difference.
Fibre Optical Sensor is installed in cable shaft of the present invention, without power taking, the duty of cable shaft power equipment body and passage is detected by optical fiber sensing technology, by fiber optic network, Monitoring Data is transferred to Utilities Electric Co.'s Intranet, the duty of field apparatus body and passage is analyzed according to the management and control logic of algorithm model and judges by the Monitoring Data obtained in real time at scene, timely unusual circumstance also produces alarm, promotes the work efficiency of O&M service work, alleviates operation maintenance personnel working strength.
The method not only achieves intelligent network distribution and monitors in real time and hidden danger situation active reporting, and intelligent level is also adapted to and the current and following intelligent power distribution net construction.
Accompanying drawing explanation
Fig. 1 obtains the flow chart of equipment and ambient parameter in cable shaft by optical fiber sensing technology.
Detailed description of the invention
A kind of method realizing cable shaft electrical equipment online supervision by optical fiber sensing technology, comprises the following steps:
1) sensor installed in cable shaft includes measuring the fibre optic temperature sensor of cable body temperature, measuring the fibre optic temperature sensor of well environment temperature, optical fiber level sensor etc..Optical cable carries out the molten fibre of tail optical fiber and is connected with sensor and computerized equipment.
Laying optical cable, to station nearby, is connected to computerized equipment;
2) computerized equipment resolves spectroscopic data according to each parameter characteristic, obtains Sensor monitoring value;
3) Monitoring Data accesses Utilities Electric Co. Intranet, first collects " intelligence fortune inspection control platform ", according to cable lean modular algorithm model data is analyzed and judges, drawing equipment working state data in cable shaft;The data that algorithm model participates in calculating have the Monitoring Data of Real-time Collection in cable shaft, weather data, rainfall data, circuit Real-time Load information, Unit account of plant information etc., it is divided into cable immersion and does not soak (obtaining according to water level conditions and machine account information) two models to be calculated, when cable is immersed in the water, consider the specific heat tolerance of water and air, make corresponding compensation, thus drawing correct result of calculation.Account information includes the essential informations such as the title of equipment, rated current, rated voltage, model, manufacturer and the extension information possessed according to device type difference.
4) according to equipment working state data, field apparatus carried out accident analysis or examining and analyzing, it has been found that abnormal conditions produce warning information in time.

Claims (5)

1. the method realizing cable shaft electrical equipment online supervision by optical fiber sensing technology, it is characterised in that the method comprises the following steps:
1) installing Fibre Optical Sensor in cable shaft, laying optical cable, to station nearby, is connected to computerized equipment;
2) computerized equipment resolves spectroscopic data according to each parameter characteristic, obtains Sensor monitoring value;
3) Monitoring Data accesses Utilities Electric Co. Intranet, first collects " intelligence fortune inspection control platform ", according to cable lean modular algorithm model data is analyzed and judges, drawing equipment working state data in cable shaft;
4) according to equipment working state data, field apparatus carried out accident analysis or examining and analyzing, it has been found that abnormal conditions produce warning information in time.
2. the method realizing cable shaft electrical equipment online supervision by optical fiber sensing technology according to claim 1, it is characterised in that:
In step 1), Fibre Optical Sensor includes: measures the cable optic fibre temperature sensor of cable body temperature, measure the environment fibre-optical temperature sensor of well environment temperature, optical fiber level sensor.
3. the method realizing cable shaft electrical equipment online supervision by optical fiber sensing technology according to claim 1, it is characterised in that: in light step 1), optical cable carries out the molten fibre of tail optical fiber and is connected with Fibre Optical Sensor and computerized equipment.
4. the method realizing cable shaft electrical equipment online supervision by optical fiber sensing technology according to claim 1, it is characterized in that: in step 3), according to cable lean modular algorithm model data it is analyzed and judges: the data that algorithm model participates in calculating have the Monitoring Data of Real-time Collection in cable shaft, weather data, rainfall data, circuit Real-time Load information, Unit account of plant information, it is divided into cable immersion to be calculated with two models that do not soak, when cable is immersed in the water, consider the specific heat tolerance of water and air, make corresponding compensation, thus drawing correct result of calculation.
5. the method realizing cable shaft electrical equipment online supervision by optical fiber sensing technology according to claim 4, it is characterised in that: Unit account of plant information includes the title of equipment, rated current, rated voltage, model, manufacturer and the extension information possessed according to device type difference.
CN201610205170.2A 2016-04-05 2016-04-05 Method for monitoring power equipment in cable pit online through optical fiber sensing technology Pending CN105784192A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610205170.2A CN105784192A (en) 2016-04-05 2016-04-05 Method for monitoring power equipment in cable pit online through optical fiber sensing technology

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610205170.2A CN105784192A (en) 2016-04-05 2016-04-05 Method for monitoring power equipment in cable pit online through optical fiber sensing technology

Publications (1)

Publication Number Publication Date
CN105784192A true CN105784192A (en) 2016-07-20

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113438019A (en) * 2021-06-16 2021-09-24 国网河北省电力有限公司邯郸供电分公司 Method for detecting running state of communication optical cable
CN115389855A (en) * 2022-10-26 2022-11-25 高勘(广州)技术有限公司 Method and system for monitoring cable equipment
CN118244058A (en) * 2024-05-29 2024-06-25 上海兴兴泰港机技术发展有限公司 Cable fault detection system
CN118244058B (en) * 2024-05-29 2024-09-27 上海兴兴泰港机技术发展有限公司 Cable fault detection system

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201867463U (en) * 2010-11-30 2011-06-15 山东电力集团公司菏泽供电公司 Intelligent cable duct or pit on-line monitoring system
US7965178B1 (en) * 2005-09-26 2011-06-21 Schmutter Bruce E System and method for integrated facility and fireground management
CN102866313A (en) * 2012-09-10 2013-01-09 山东康威通信技术股份有限公司 Power tunnel cable running state comprehensive monitoring method
CN203070069U (en) * 2013-01-28 2013-07-17 时翔 Integrated monitoring system for power cable tunnel
CN103346620A (en) * 2013-07-22 2013-10-09 国家电网公司 Cable temperature monitoring system based on distribution type optical fiber temperature detection sensor

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7965178B1 (en) * 2005-09-26 2011-06-21 Schmutter Bruce E System and method for integrated facility and fireground management
CN201867463U (en) * 2010-11-30 2011-06-15 山东电力集团公司菏泽供电公司 Intelligent cable duct or pit on-line monitoring system
CN102866313A (en) * 2012-09-10 2013-01-09 山东康威通信技术股份有限公司 Power tunnel cable running state comprehensive monitoring method
CN203070069U (en) * 2013-01-28 2013-07-17 时翔 Integrated monitoring system for power cable tunnel
CN103346620A (en) * 2013-07-22 2013-10-09 国家电网公司 Cable temperature monitoring system based on distribution type optical fiber temperature detection sensor

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113438019A (en) * 2021-06-16 2021-09-24 国网河北省电力有限公司邯郸供电分公司 Method for detecting running state of communication optical cable
CN115389855A (en) * 2022-10-26 2022-11-25 高勘(广州)技术有限公司 Method and system for monitoring cable equipment
CN118244058A (en) * 2024-05-29 2024-06-25 上海兴兴泰港机技术发展有限公司 Cable fault detection system
CN118244058B (en) * 2024-05-29 2024-09-27 上海兴兴泰港机技术发展有限公司 Cable fault detection system

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Application publication date: 20160720