CN105371944B - Conducting wire aeolian vibration on-Line Monitor Device and monitoring method based on preset angle configuration - Google Patents
Conducting wire aeolian vibration on-Line Monitor Device and monitoring method based on preset angle configuration Download PDFInfo
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- CN105371944B CN105371944B CN201410414912.3A CN201410414912A CN105371944B CN 105371944 B CN105371944 B CN 105371944B CN 201410414912 A CN201410414912 A CN 201410414912A CN 105371944 B CN105371944 B CN 105371944B
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Abstract
The present invention provides a kind of conducting wire aeolian vibration on-Line Monitor Device based on preset angle configuration, and including the shell and angular transducer being fixed in measured wire, distance of the angular transducer away from wire clamp exit is xb, it is equipped with an inner cavity in the shell, is equipped with control module, communication module and power module in the inner cavity, the communication module and power module are connected with control module, which is connected with the control computing module of angular transducer.The conducting wire aeolian vibration on-Line Monitor Device directly measures the vibration angle for obtaining measured wire at measured point by angular transducer, vibration angle is converted to relative amplitude by angular transducer simultaneously, and relative amplitude values are transferred to control module, measured wire is calculated in the dynamic bending strain value in wire clamp exit in control module automatically again, therefore the conducting wire aeolian vibration on-Line Monitor Device can directly and precisely monitor the dynamic bending strain value of measured wire, the influence for assessment aeolian vibration to overhead transmission line fatigue damage provides a strong foundation.
Description
Technical field
The present invention relates to overhead transmission lines to monitor field on-line, more particularly to a kind of conducting wire gentle breeze based on preset angle configuration
Vibration on-line monitoring device and monitoring method.
Background technique
With the fast development of modern technologies, power construction practical experience is accumulated over a long period, and people have appreciated that defeated
A plurality of types of conductor vibrations can occur in electric line, it, can according to the reason of causing conductor vibration and the form of conductor vibration
Conductor vibration phenomenon is divided into following several types: aeolian vibration, subspan oscillation, wave, ice-shedding, laterally hit,
Corona is waved, short circuit is vibrated and turbulent flow is vibrated etc..Wherein, in field of overhead power transmission lines, aeolian vibration phenomenon occurs most
To be frequent, the tired knochenbruch of the conducting wire as caused by aeolian vibration is a big threat of overhead transmission line safe operation.Gentle breeze vibration
Dynamic is to be formed by so-called " Karman vortex " after the conducting wire due to the aerial setting of breeze winnowing, and then cause conducting wire high-frequency, small
Amplitude vibration, its generation, level of vibration and many factors are closely related.Meanwhile many factors are considered in online road transport row,
Such as wind speed, wind direction (i.e. with the angle of conducting wire), temperature, terrain and its features, the specification and structure of conducting wire, wire tension, span length,
With suspension point height, Material texture, fitting pattern, vibrationproof mode and the antivibrator characteristic of conducting wire, the runing time of conducting wire is (from resistance
Damping characteristics variation) etc. factors, these factors all have having a certain impact to the power of aeolian vibration, distribution, the extent of injury, especially
It is on Great span, because of the features such as span is big, hitch point is high, landform is open, the vibrational energy for making gentle breeze be defeated by conducting wire increases greatly
Add, therefore conductor vibration intensity is much larger than the conductor vibration intensity of common span.Therefore, assessment conducting wire aeolian vibration is to overhead power transmission
The influence of route fatigue damage just seems most important, is before one of guarantee overhead transmission line safe and stable operation is important
It mentions.
Currently, conducting wire moves curved answer in influence process of the assessment conducting wire gentle breeze measurement to overhead transmission line fatigue damage
Change is a major parameter, but various monitoring devices in the prior art or monitoring method all can not direct measure traverse line it is dynamic
Bending strain value, so as to cause influence of the aeolian vibration to overhead transmission line can not be monitored on-line well.
Summary of the invention
In view of the foregoing deficiencies of prior art, the purpose of the present invention is to provide one kind to be capable of accurate measure traverse line
The conducting wire aeolian vibration on-Line Monitor Device based on preset angle configuration of dynamic bending strain value.
To achieve the above object, the present invention provides a kind of conducting wire aeolian vibration on-Line Monitor Device based on preset angle configuration, packet
The shell and angular transducer being fixed in measured wire are included, distance of the angular transducer away from wire clamp exit is
xb, it is equipped with an inner cavity in the shell, is equipped with control module, communication module and power module, the communication module in the inner cavity
It is connected with control module with power module, which is connected with the control computing module of angular transducer.
Further, the shell and angular transducer are located at the two sides of wire clamp.
Preferably, the spherical shape in the outer surface of the shell.
Further, the power supply module includes the current transformer being mounted in measured wire and is mounted on the interior of shell
Current rectifying and wave filtering circuit module in chamber, the current transformer and the induction of current rectifying and wave filtering circuit module connect, current rectifying and wave filtering circuit
Module is connected with control module.
Preferably, the control module is connected with control computing module by a cable, includes connection in the cable
Road and power supply line.
As described above, the conducting wire aeolian vibration on-Line Monitor Device of the present invention based on preset angle configuration, has with following
Beneficial effect:
In the conducting wire aeolian vibration on-Line Monitor Device, is directly measured by angular transducer and obtain measured wire tested
Vibration angle at point, while the vibration angle is converted to measured wire tested by the control computing module in angular transducer
Relative amplitude at point, and relative amplitude values are transferred to the control module in shell, control module is further according to measured wire
Measured wire is calculated in the dynamic bending strain value in wire clamp exit in other parameters automatically, therefore the conducting wire aeolian vibration is monitored on-line
Device can directly and precisely monitor the dynamic bending strain value of measured wire, to be assessment aeolian vibration to overhead transmission line
The influence of road fatigue damage provides a strong foundation, the final safe and stable operation for guaranteeing overhead transmission line.
Another object of the present invention is to provide a kind of dynamic bending strain values for capableing of accurate measure traverse line based on preset angle configuration
Conducting wire aeolian vibration on-line monitoring method.
To achieve the above object, the present invention provides a kind of conducting wire aeolian vibration on-line monitoring method based on preset angle configuration, packet
Include following steps:
1), the conducting wire where the angular transducer measurement angle sensor being fixed in measured wire by one at measured point
Vibration angle α, distance of the angular transducer away from wire clamp exit are xb；
2) it, is also equipped with a shell in the measured wire, an inner cavity is equipped in the shell, is equipped with control in the inner cavity
Module, communication module and power module, the communication module and power module are connected with control module, and the control module is also
It is connected by a cable with the control computing module of angular transducer；
The control computing module of the angular transducer is for calculating relative amplitude Y of the measured wire at measured pointb, and
By relative amplitude YbValue is transferred to the control module in shell, and control module finally calculates the dynamic bending strain value ε of measured wireb；
3), dynamic bending strain value of the measured wire in wire clamp exit
Yb=xb·sinα
In above-mentioned formula: εbDynamic bending strain value for measured wire in wire clamp exit, mm/mm；
D is the line diameter of measured wire, mm；
xbFor the distance away from wire clamp exit at the measured point of measured wire, mm；
YbThe relative amplitude for being measured wire at measured point, mm；
Grounded-line is averaged running tension during T is monitoring, N；
EI is the minimum rigidity of measured wire, N*m2；
nalFor the number of share of stock of aluminium single line in measured wire；
dalFor the diameter of aluminium single line single in measured wire, mm；
EalFor the elasticity modulus of aluminium single line in measured wire, Mpa；
nstFor the number of share of stock of steel wire in measured wire；
dstFor the diameter of steel wire single in measured wire, mm；
EstFor the elasticity modulus of steel wire in measured wire, Mpa.
Preferably, the xb=89mm.
As described above, the conducting wire aeolian vibration on-line monitoring method of the present invention based on preset angle configuration, has with following
Beneficial effect:
The conducting wire aeolian vibration on-line monitoring method is directly measured by angular transducer and obtains measured wire in measured point
The vibration angle at place, while the vibration angle is converted to measured wire in measured point by the control computing module in angular transducer
The relative amplitude at place, and relative amplitude values are transferred to the control module in shell, control module further according to measured wire its
Measured wire is calculated in the dynamic bending strain value in wire clamp exit in his parameter automatically, therefore the conducting wire aeolian vibration on-line monitoring side
Method can directly and precisely monitor the dynamic bending strain value of measured wire, to be assessment aeolian vibration to overhead transmission line
The influence of fatigue damage provides a strong foundation, the final safe and stable operation for guaranteeing overhead transmission line.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the conducting wire aeolian vibration on-Line Monitor Device based on preset angle configuration in the present invention.
Fig. 2 is the connection schematic diagram of shell and measured wire in Fig. 1.
Fig. 3 is bending figure of the measured wire at measured point under aeolian vibration state.
Component label instructions
1 shell
11 hemispheres
12 sealing shrouds
13 anchor ears
2 angular transducers
3 wire clamps
4 cables
5 measured wires
Specific embodiment
Embodiments of the present invention are illustrated by particular specific embodiment below, those skilled in the art can be by this explanation
Content disclosed by book is understood other advantages and efficacy of the present invention easily.
It should be clear that this specification structure depicted in this specification institute accompanying drawings, ratio, size etc., only to cooperate specification to be taken off
The content shown is not intended to limit the invention enforceable qualifications so that those skilled in the art understands and reads, therefore
Do not have technical essential meaning, the modification of any structure, the change of proportionate relationship or the adjustment of size are not influencing the present invention
Under the effect of can be generated and the purpose that can reach, it should all still fall in disclosed technology contents and obtain the model that can cover
In enclosing.Meanwhile cited such as "upper" in this specification, "lower", "left", "right", " centre " and " one " term, be also only
Convenient for being illustrated for narration, rather than to limit the scope of the invention, relativeness is altered or modified, in no essence
It changes under technology contents, when being also considered as the enforceable scope of the present invention.
As shown in Figure 1, the present invention provides a kind of conducting wire aeolian vibration on-Line Monitor Device based on preset angle configuration, including fixation
Shell 1 and angular transducer 2 in measured wire 5, distance of the angular transducer 2 away from 3 exit of wire clamp are xb,
Distance away from 3 exit of wire clamp is xbPoint be measured wire 5 measured point, the angular transducer 2 is for measuring quilt
Conductor vibration angle [alpha] at measuring point, and then obtain the relative amplitude Y at measured pointb, as can be seen from Figure 3: relative amplitude YbWith conducting wire
Relationship between vibration angle α are as follows: Yb=xb·sinα；Further, it is equipped with an inner cavity in the shell 1, is equipped in the inner cavity
Control module, communication module and power module, the communication module and power module are connected with control module, the control mould
Block is connected with the control computing module of angular transducer 2.
The present invention also provides a kind of conducting wire aeolian vibration on-line monitoring method based on preset angle configuration, comprising the following steps:
1, leading at 2 measurement angle sensor of angular transducer, the 2 place measured point being fixed in measured wire 5 by one
Linearly coupled angle [alpha], distance of the angular transducer 2 away from 3 exit of wire clamp are xb；
2, it is also equipped with a shell 1 in the measured wire 5, an inner cavity is equipped in the shell 1, is equipped with control in the inner cavity
Molding block, communication module and power module, the communication module and power module are connected with control module, the control module
Also it is connected by a cable 4 with the control computing module of angular transducer 2；
The control computing module of the angular transducer 2 is for calculating relative amplitude Y of the measured wire 5 at measured pointb,
And relative amplitude Yb value is transferred to the control module in shell 1, control module finally calculates the dynamic bending strain of measured wire 5
Value εb；
3, dynamic bending strain value of the measured wire 5 in 3 exit of wire clamp
Yb=xb·sinα
In above-mentioned formula: εbDynamic bending strain value for measured wire 5 in 3 exit of wire clamp, mm/mm；
D is the line diameter of measured wire 5, mm；
xbFor the distance away from 3 exit of wire clamp at the measured point of measured wire 5, mm；
YbFor relative amplitude of the measured wire 5 at measured point, mm；
Grounded-line is averaged running tension during T is monitoring, N；The grounded-line refers to measured wire 5 and ground wire；
EI is the minimum rigidity of measured wire 5, N*m2；
nalFor the number of share of stock of aluminium single line in measured wire 5；
dalFor the diameter of aluminium single line single in measured wire 5, mm；
EalFor the elasticity modulus of aluminium single line in measured wire 5, Mpa；
nstFor the number of share of stock of steel wire in measured wire 5；
dstFor the diameter of single steel wire in measured wire 5, mm；
EstFor the elasticity modulus of steel wire in measured wire 5, Mpa.
It, first will be following known before measurement starts in the above-mentioned conducting wire aeolian vibration on-line monitoring method based on preset angle configuration
Parameter pre-enters in the control module into shell 1, it is known that parameter includes at the measured point of measured wire 5 away from wire clamp 3
The distance x in exitb, the line diameter d of measured wire 5, grounded-line is averaged running tension T, aluminium in measured wire 5 during monitoring
The number of share of stock n of single lineal, in measured wire 5 single aluminium single line diameter dal, in measured wire 5 aluminium single line elastic modulus Eal, quilt
Survey the number of share of stock n of steel wire in conducting wire 5st, in measured wire 5 single steel wire diameter dstAnd in measured wire 5 steel wire springform
Measure Est；Angular transducer 2 measures conductor vibration angle [alpha] of the measured wire 5 at measured point, while automatic calculating measured wire 5
Relative amplitude Y at measured pointb；Last control module is according to the numerical value and relative amplitude Y of each known parametersbNumerical value come
Measured wire 5 is calculated automatically from the dynamic bending strain value ε in 3 exit of wire clampb.It can thus be appreciated that: base of the present invention
When the conducting wire aeolian vibration on-Line Monitor Device and monitoring method of preset angle configuration pass through the vibration of monitoring measured wire 5, vibration wave
Shape upper angle changes directly and precisely to measure the dynamic bending strain value of measured wire 5, to be assessment aeolian vibration to frame
The influence of empty transmission line of electricity fatigue damage provides a strong foundation, the final safe and stable operation for guaranteeing overhead transmission line.
Meanwhile in the present invention, angular transducer 2 uses non-contact measurement principle, and Fatigue Life Problems are not present, when being suitable for long
Between vibration measurement, the angular transducer 2 also be a high-precision angle sensor 2, with improve measurement measured wire 5 because vibration
And the accuracy of the minute angle variation generated.
Preferably, the xb=89mm, according to the code requirement that ieee standard is formulated, with measured wire 5 away from wire
Relative amplitude Y at 3 outlet 89mm of folderbTo calculate measured wire 5 in the dynamic bending strain value ε in 3 exit of wire clampbIt is the most
Accurately, standard, therefore in the present embodiment, measured point is located at the distance, to improve dynamic bending strain value εbMonitoring result
Accuracy.
In addition, in the present embodiment, control module, power supply module and the communication of the shell 1 and installation within the case 1
Module composition device noumenon, the device noumenon have certain weight, in order to cancellation element ontology weight to measured wire 5
The influence of vibration, as shown in Figure 1, the shell 1 and angular transducer 2 are located at the two sides of wire clamp 3, i.e. angle sensor
Device 2 is mounted on the side of the outlet of wire clamp 3, and device noumenon is mounted on the other side of wire clamp 3, to can avoid heavier
The influence that device noumenon vibrates measured wire 5, in order to be able to control angular transducer 2 and accurately measure quilt at measured point
Survey the conductor vibration angle [alpha] of conducting wire 5.
Further, the shell 1 is made of insulating material, and the spherical shape in outer surface of shell 1, i.e. 1 appearance of shell
Face does not have sharp position or protruding parts, so as to effectively prevent corona discharge of the device noumenon under high voltage electric field, moreover it is possible to just
In the in-site installation of the shell 1.In the application, as shown in Fig. 2, the shell 1 include two symmetrically arranged hemispheres 11, two
A hemisphere 11 is tightly connected；The left and right ends of the shell 1 are equipped with a sealing shroud 12 made of rubber, the sealing shroud 12
It is fixed in measured wire 5 by an anchor ear 13, to improve the leakproofness and shell 1 and measured wire 5 of shell 1 itself
Between leakproofness, to improve the accuracy of monitoring result, at the same can also prevent vapor etc. enter shell 1 inside, with guarantee
The long-term normal use of the monitoring device.
Further, the power supply module can be a battery, but battery power supply mode there are power-on times short, Bu Nengzhi
The defects of monitoring device works long hours, needs to frequently replace is held, in order to eliminate this defect, the power supply module in the application is adopted
Electric power supply mode is taken with conducting wire, i.e., the described power supply module includes the current transformer being mounted in measured wire 5 and is mounted on shell
Current rectifying and wave filtering circuit module in the inner cavity of body 1, the current transformer and the induction of current rectifying and wave filtering circuit module connect, rectification filter
Wave circuit module is connected with control module.There is electric current to pass through in measured wire 5, the current transformer incudes measured wire 5
In electric current and obtain an alternation electric field, it is steady which becomes direct current after current rectifying and wave filtering circuit module rectifying and wave-filtering
Pressure output, to provide power supply for entire monitoring device.So the monitoring device measured wire 5 be powered in the case where, can
Prolonged steady operation, battery life is not influenced under by battery electric power thus supplied.
Preferably, the control module is connected with control computing module by a cable 4, includes communication in the cable 4
Route and power supply line, the communication line is for the data between the control computing module and control module of angular transducer 2
Transmission, power supply line provide power supply to angular transducer 2 for control module, i.e., electricity used when angular transducer 2 works
From with measured wire 5.
In conclusion the present invention effectively overcomes various shortcoming in the prior art and has high industrial utilization value.
The above-described embodiments merely illustrate the principles and effects of the present invention, and is not intended to limit the present invention.It is any ripe
The personage for knowing this technology all without departing from the spirit and scope of the present invention, carries out modifications and changes to above-described embodiment.Cause
This, institute is complete without departing from the spirit and technical ideas disclosed in the present invention by those of ordinary skill in the art such as
At all equivalent modifications or change, should be covered by the claims of the present invention.
Claims (6)
1. a kind of conducting wire aeolian vibration on-Line Monitor Device based on preset angle configuration, it is characterised in that: including being fixed on measured wire
(5) shell (1) and angular transducer (2) on, distance of the angular transducer (2) away from wire clamp (3) exit are xb、
For the conductor vibration angle [alpha] at measured point where measurement angle sensor (2) and measured wire (5) is calculated at measured point
Relative amplitude Yb, it is equipped with an inner cavity in the shell (1), is equipped with control module, communication module and power module, institute in the inner cavity
It states communication module and power module is connected with control module, the control of the control module and angular transducer (2) calculates mould
Block is connected, and the control module is used to calculate the dynamic bending strain value ε of measured wire (5)b；The left and right two of the shell (1)
End is equipped with a sealing shroud (12) made of rubber, which is fixed on the measured wire by an anchor ear (13)
(5) on；The power module includes the current transformer being mounted on measured wire (5) and is mounted in the inner cavity of shell (1)
Current rectifying and wave filtering circuit module, the current transformer and current rectifying and wave filtering circuit module induction connect, current rectifying and wave filtering circuit module
It is connected with control module, has electric current to pass through in the measured wire (5), in current transformer induction measured wire (5)
Electric current and obtain the electric field of an alternation, which becomes DC voltage-stabilizing after current rectifying and wave filtering circuit module rectifying and wave-filtering
Output, provides power supply for entire monitoring device.
2. conducting wire aeolian vibration on-Line Monitor Device according to claim 1, it is characterised in that: the shell (1) and angle
Degree sensor (2) is located at the two sides of wire clamp (3).
3. conducting wire aeolian vibration on-Line Monitor Device according to claim 1, it is characterised in that: outside the shell (1)
The spherical shape in surface.
4. conducting wire aeolian vibration on-Line Monitor Device according to claim 1, it is characterised in that: the control module and control
Computing module processed is connected by a cable (4), includes communication line and power supply line in the cable (4).
5. a kind of conducting wire aeolian vibration on-line monitoring method based on preset angle configuration, it is characterised in that: the following steps are included:
1), where angular transducer (2) the measurement angle sensor (2) being fixed on measured wire (5) by one at measured point
Conductor vibration angle [alpha], distance of the angular transducer (2) away from wire clamp (3) exit be xb；
2) it, is also equipped with a shell (1) on the measured wire (5), an inner cavity is equipped in the shell (1), is set in the inner cavity
There are control module, communication module and power module, the communication module and power module are connected with control module, the control
Module also passes through a cable (4) and is connected with the control computing module of angular transducer (2)；The left and right ends of the shell (1)
It is equipped with a sealing shroud (12) made of rubber, which is fixed on the measured wire by an anchor ear (13)
(5) on；The power module includes the current transformer being mounted on measured wire (5) and is mounted in the inner cavity of shell (1)
Current rectifying and wave filtering circuit module, the current transformer and current rectifying and wave filtering circuit module induction connect, current rectifying and wave filtering circuit module
It is connected with control module, has electric current to pass through in the measured wire (5), in current transformer induction measured wire (5)
Electric current and obtain the electric field of an alternation, which becomes DC voltage-stabilizing after current rectifying and wave filtering circuit module rectifying and wave-filtering
Output, provides power supply for entire monitoring device；
The control computing module of the angular transducer (2) is for calculating relative amplitude Y of the measured wire (5) at measured pointb,
And by relative amplitude YbValue is transferred to the control module in shell (1), and it is curved that control module finally calculates moving for measured wire (5)
Strain value εb；
3), dynamic bending strain value of the measured wire (5) in wire clamp (3) exit
Yb=xb·sinα
In above-mentioned formula: εbDynamic bending strain value for measured wire (5) in wire clamp (3) exit, mm/mm；
D is the line diameter of measured wire (5), mm；
xbFor the distance away from wire clamp (3) exit at the measured point of measured wire (5), mm；
YbFor relative amplitude of the measured wire (5) at measured point, mm；
Grounded-line is averaged running tension during T is monitoring, N；
EI is the minimum rigidity of measured wire (5), N*m2；
nalFor the number of share of stock of aluminium single line in measured wire (5)；
dalFor the diameter of single aluminium single line in measured wire (5), mm；
EalFor the elasticity modulus of aluminium single line in measured wire (5), Mpa；
nstFor the number of share of stock of steel wire in measured wire (5)；
dstFor the diameter of single steel wire in measured wire (5), mm；
EstFor the elasticity modulus of steel wire in measured wire (5), Mpa.
6. conducting wire aeolian vibration on-line monitoring method according to claim 5, it is characterised in that: the xb=89mm.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410414912.3A CN105371944B (en) | 2014-08-21 | 2014-08-21 | Conducting wire aeolian vibration on-Line Monitor Device and monitoring method based on preset angle configuration |
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| CN201410414912.3A CN105371944B (en) | 2014-08-21 | 2014-08-21 | Conducting wire aeolian vibration on-Line Monitor Device and monitoring method based on preset angle configuration |
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| CN105371944B true CN105371944B (en) | 2019-03-01 |
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| CN109000786A (en) * | 2018-08-01 | 2018-12-14 | 安徽康能电气有限公司 | A kind of conductive intelligent linearly coupled monitoring device |
| CN111928892A (en) * | 2020-07-23 | 2020-11-13 | 中国电力科学研究院有限公司 | Breeze vibration sensing and early warning device and method for power transmission line |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101697430A (en) * | 2009-11-12 | 2010-04-21 | 上海交通大学 | Power control method based CT electricity getting device of high voltage transmission line |
| CN201926494U (en) * | 2010-12-30 | 2011-08-10 | 北京国网富达科技发展有限责任公司 | System for monitoring subspan oscillation |
| CN201926499U (en) * | 2010-09-16 | 2011-08-10 | 上海电缆研究所 | Overhead conductor wind vibration real-time monitoring system |
| CN204043785U (en) * | 2014-08-21 | 2014-12-24 | 上海电缆研究所 | Based on the wire aeolian vibration on-Line Monitor Device of preset angle configuration |
-
2014
- 2014-08-21 CN CN201410414912.3A patent/CN105371944B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101697430A (en) * | 2009-11-12 | 2010-04-21 | 上海交通大学 | Power control method based CT electricity getting device of high voltage transmission line |
| CN201926499U (en) * | 2010-09-16 | 2011-08-10 | 上海电缆研究所 | Overhead conductor wind vibration real-time monitoring system |
| CN201926494U (en) * | 2010-12-30 | 2011-08-10 | 北京国网富达科技发展有限责任公司 | System for monitoring subspan oscillation |
| CN204043785U (en) * | 2014-08-21 | 2014-12-24 | 上海电缆研究所 | Based on the wire aeolian vibration on-Line Monitor Device of preset angle configuration |
Non-Patent Citations (1)
| Title |
|---|
| 输电线路导线微风振动在线监测***的研究与设计;赵隆;《西安工程大学》;20121230;第2.2.2，第4章，图2.2，4-11 |
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