CN109490670A - A kind of high-voltage shunt reactor state on_line monitoring system - Google Patents
A kind of high-voltage shunt reactor state on_line monitoring system Download PDFInfo
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- CN109490670A CN109490670A CN201811454553.9A CN201811454553A CN109490670A CN 109490670 A CN109490670 A CN 109490670A CN 201811454553 A CN201811454553 A CN 201811454553A CN 109490670 A CN109490670 A CN 109490670A
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 23
- 238000012545 processing Methods 0.000 claims abstract description 35
- 238000007781 pre-processing Methods 0.000 claims abstract description 17
- 238000013500 data storage Methods 0.000 claims abstract description 8
- 238000007405 data analysis Methods 0.000 claims description 5
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 239000003758 nuclear fuel Substances 0.000 claims description 2
- 238000002955 isolation Methods 0.000 claims 2
- 238000012423 maintenance Methods 0.000 abstract description 5
- 238000005259 measurement Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 4
- 230000001052 transient effect Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 210000000352 storage cell Anatomy 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000012216 screening Methods 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
Classifications
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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
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H9/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by using radiation-sensitive means, e.g. optical means
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Monitoring And Testing Of Nuclear Reactors (AREA)
Abstract
本发明提出一种高压并联电抗器状态在线监测系统，包括信号采集单元、信号处理单元、显示输出单元以及数据存储单元；所述信号采集单元包括用于采集电抗器合闸瞬间振动信号的振动传感器和用于采集电抗器合闸瞬间噪声信号的声学传感器；信号处理单元包括信号预处理模块，声学信号处理模块以及振动信号处理模块；信号处理单元接收信号采集单元的信号并通过显示输出单元输出监测结果；所述信号处理单元和显示输出单元输出的信号均传送至数据存储单元，建立高压并联电抗器振动数据库。本发明不需要与高压并联电抗器进行直接的电气联系，实时在线监测；采用的激光振动传感器测量精度高，并且不与电抗器直接接触，操作维修方便，人员安全性高。
The present invention provides an on-line monitoring system for the state of a high-voltage shunt reactor, which includes a signal acquisition unit, a signal processing unit, a display output unit and a data storage unit; the signal acquisition unit includes a vibration sensor for acquiring a vibration signal at the moment of closing the reactor and an acoustic sensor for collecting the noise signal at the moment of closing the reactor; the signal processing unit includes a signal preprocessing module, an acoustic signal processing module and a vibration signal processing module; the signal processing unit receives the signal from the signal acquisition unit and outputs monitoring through the display output unit As a result, the signals output by the signal processing unit and the display output unit are all transmitted to the data storage unit, and the vibration database of the high-voltage shunt reactor is established. The invention does not need direct electrical connection with the high-voltage shunt reactor, and can monitor on-line in real time; the laser vibration sensor adopted has high measurement accuracy and does not directly contact the reactor, so that the operation and maintenance are convenient and the personnel safety is high.
Description
Technical field
The invention belongs to on-line monitoring of high-voltage electric equipment technical fields, in particular to a kind of high-voltage shunt reactor shape
State on-line monitoring system.
Background technique
The distribution of China's energy resources and electricity needs are totally in contrary distribution, objectively need the energy in a wide range of interior progress
It distributes rationally.UHV transmission such as has remote, large capacity, low-loss and economizes the land resource at the outstanding advantages, develops extra-high
For ensureing national energy security, realization is wider to optimize the configuration of resources pressure, promotes energy-saving and emission-reduction policy execution and low-carbon warp
Ji development has a very important significance.As the skeleton for contacting entire electric system, the safe and reliable operation of UHV transmission
Conclusive effect is played for system-wide stable operation, thus pole is required to the Performance And Reliability of its Main Equipment Protection
It is high.
For 1000kV high-voltage shunt reactor as main electrical equipment important in UHV transmission net, its safe operation is straight
It connects and is related to entire extra-high voltage grid and works with security and stability.Domestic shunt reactor on-line monitoring technique is in super-pressure at present
In system, abundant, mature experience is had accumulated, but current China is in high-voltage shunt reactor on-line monitoring this respect
Experience is simultaneously immature, and there is respective deficiencies for existing electric approach, it is difficult to realize on-line monitoring.
Summary of the invention
To solve the above problems, the present invention propose it is a kind of quantitatively obtain cohesiveless soil particle screening plant and its user
Method, structure are simple and convenient to operate, and can quantitatively obtain the screening plant of cohesiveless soil particle.
Technical solution: the present invention proposes a kind of high-voltage shunt reactor state on_line monitoring system, including signal acquisition list
Member, signal processing unit, display output unit and data storage cell；The signal acquisition unit includes for acquiring reactance
The vibrating sensor of device combined floodgate transient vibration signal and acoustic sensor for acquiring reactor combined floodgate transient noise signal；Letter
Number processing unit includes signal pre-processing module, acoustics signal processing module and vibration signal processing module；Signal Pretreatment
Module receives the signal of vibrating sensor and acoustic sensor and carries out denoising and signal conversion；Acoustics signal processing module receives
The acoustic signal of signal pre-processing module output carries out data analyses and comparison, and exports monitoring result by display output unit；
The vibration signal that vibration signal processing module receives signal pre-processing module output carries out data analyses and comparison, and defeated by showing
Unit exports monitoring result out；It is single that the signal processing unit and the signal of display output unit output are sent to data storage
Member.
Further, the vibrating sensor is laser vibrometer sensor；The vibrating sensor is individually fixed in the height
Press shunt reactor top of oil-tank and side.
Further, shielding shell is provided with outside the laser vibrometer sensor.
Further, the signal pre-processing module includes isolated amplifier, low-pass filter circuit and A/D converter；It is described
The signal of vibrating sensor and acoustic sensor successively passes through isolated amplifier, low-pass filter circuit and A/D converter.
Further, the signal processing unit further includes ZigBee module, the signal of the signal pre-processing module output
Acoustics signal processing module and vibration signal processing module are transmitted separately to by ZigBee module.
The utility model has the advantages that the one, present invention does not need to carry out direct electrical link with high-voltage shunt reactor, real-time online prison
It surveys；The laser vibrometer sensor accuracy class of use is high, and does not contact directly with reactor, operates easy to maintenance, Ren Yuanan
Quan Xinggao；
Two, it is transmitted using the data that ZigBee wireless communication technique carries out upper and lower computer, and using distributed multimicroprocessor skill
Art, so that each functional component physical dispersion of system, the degree of modularity and reliability of software and hardware are improved, be conducive to maintenance upgrade and
Maintenance；
Three, the present invention stores the vibration signal and noise signal of acquisition and corresponding monitoring running state result, builds
Vertical high-voltage shunt reactor vibration data library.
Detailed description of the invention
Fig. 1 is structural block diagram of the invention；
Fig. 2 is scheme of installation of the invention.
Specific embodiment
The present invention proposes a kind of high-voltage shunt reactor state on_line monitoring system, including at signal acquisition unit, signal
Manage unit, display output unit and data storage cell.
The signal acquisition unit includes vibrating sensor for acquiring reactor combined floodgate transient vibration signal and is used for
Acquire the acoustic sensor of reactor combined floodgate transient noise signal.Because reactor closes a floodgate, moment reactor current is usually 5 times
Left and right, the wave amplitude of that vibration signal can reach 25 times of normal condition or so, substantially increase the precision of measurement.The vibration
Dynamic sensor is several laser vibrometer sensors, and laser vibrometer sensor accuracy class is high, and does not contact directly with reactor,
Operate easy to maintenance, personnel safety's height.The laser vibrometer sensor is separately positioned on the high-voltage shunt reactor fuel tank
Top and side, side measuring point for measuring radial vibration signal, top point position be arranged so as to guarantee point position with
Core limb has direct component to be connected, and the dynamic signal amplitude of such institute's vibration measuring is bigger, and accuracy is higher.Outside the laser vibrometer sensor
It is provided with shielding shell, prevents external interference.
Signal processing unit includes signal pre-processing module, acoustics signal processing module and vibration signal processing module；
The signal pre-processing module includes isolated amplifier, low-pass filter circuit and A/D converter；The vibrating sensor and acoustics
The signal of sensor successively passes through isolated amplifier, low-pass filter circuit and A/D converter, carries out denoising and signal conversion.
The acoustic signal that acoustics signal processing module receives signal pre-processing module output carries out data analyses and comparison, and leads to
Cross display output unit output monitoring result；Vibration signal processing module receive signal pre-processing module output vibration signal into
Row data are analysed and compared, and export monitoring result by display output unit；The signal processing unit and display output unit
The signal of output is sent to data storage cell, establishes high-voltage shunt reactor database.
The signal processing unit further includes ZigBee module, and the signal of the signal pre-processing module output passes through
ZigBee module is transmitted separately to acoustics signal processing module and vibration signal processing module.There is ZigBee module starting to prolong
The slow time is small, node capacity is big, the advantage low without secondary development, packet loss.
Claims (5)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811454553.9A CN109490670A (en) | 2018-11-30 | 2018-11-30 | A kind of high-voltage shunt reactor state on_line monitoring system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811454553.9A CN109490670A (en) | 2018-11-30 | 2018-11-30 | A kind of high-voltage shunt reactor state on_line monitoring system |
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| Publication Number | Publication Date |
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| CN109490670A true CN109490670A (en) | 2019-03-19 |
Family
ID=65698148
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811454553.9A Pending CN109490670A (en) | 2018-11-30 | 2018-11-30 | A kind of high-voltage shunt reactor state on_line monitoring system |
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| CN (1) | CN109490670A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111060193A (en) * | 2019-11-28 | 2020-04-24 | 中国电力科学研究院有限公司 | A device and method for measuring the sound power of an ultra-high voltage shunt reactor body |
| CN114216635A (en) * | 2021-11-24 | 2022-03-22 | 广西电网有限责任公司电力科学研究院 | Device and method for testing influence of tension screw rod of shunt reactor on vibration and noise |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1279812A (en) * | 1997-11-27 | 2001-01-10 | Abb股份有限公司 | Transformer/reactor and manufacturing method thereof |
| US20040216525A1 (en) * | 2002-07-19 | 2004-11-04 | Hitachi, Ltd. | Measurement system of torsion vibration for reactor internal pump |
| JP2006058314A (en) * | 1996-01-11 | 2006-03-02 | Toshiba Corp | Abnormality inspection method and apparatus |
| CN102270879A (en) * | 2010-06-02 | 2011-12-07 | 李景禄 | Equipment audio monitoring system of unattended substation |
| CN102279325A (en) * | 2011-04-19 | 2011-12-14 | 中国电力科学研究院 | Ultra high voltage direct current (UHVDC) transmission engineering station system debugging method |
| CN103954352A (en) * | 2013-09-04 | 2014-07-30 | 国家电网公司 | Online monitoring device for power reactor vibration |
| CN204214972U (en) * | 2014-12-01 | 2015-03-18 | 国家电网公司 | A kind of magnet controlled reactor on-line monitoring system |
-
2018
- 2018-11-30 CN CN201811454553.9A patent/CN109490670A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006058314A (en) * | 1996-01-11 | 2006-03-02 | Toshiba Corp | Abnormality inspection method and apparatus |
| CN1279812A (en) * | 1997-11-27 | 2001-01-10 | Abb股份有限公司 | Transformer/reactor and manufacturing method thereof |
| US20040216525A1 (en) * | 2002-07-19 | 2004-11-04 | Hitachi, Ltd. | Measurement system of torsion vibration for reactor internal pump |
| CN102270879A (en) * | 2010-06-02 | 2011-12-07 | 李景禄 | Equipment audio monitoring system of unattended substation |
| CN102279325A (en) * | 2011-04-19 | 2011-12-14 | 中国电力科学研究院 | Ultra high voltage direct current (UHVDC) transmission engineering station system debugging method |
| CN103954352A (en) * | 2013-09-04 | 2014-07-30 | 国家电网公司 | Online monitoring device for power reactor vibration |
| CN204214972U (en) * | 2014-12-01 | 2015-03-18 | 国家电网公司 | A kind of magnet controlled reactor on-line monitoring system |
Non-Patent Citations (1)
| Title |
|---|
| 赵守忠: "《传感器技术及工程应用》", 31 August 2013 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111060193A (en) * | 2019-11-28 | 2020-04-24 | 中国电力科学研究院有限公司 | A device and method for measuring the sound power of an ultra-high voltage shunt reactor body |
| CN114216635A (en) * | 2021-11-24 | 2022-03-22 | 广西电网有限责任公司电力科学研究院 | Device and method for testing influence of tension screw rod of shunt reactor on vibration and noise |
| CN114216635B (en) * | 2021-11-24 | 2023-08-22 | 广西电网有限责任公司电力科学研究院 | Experimental device and method for shunt reactor tightening screw to affect vibration and noise |
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Application publication date: 20190319 |
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