CN207689623U - Transformer fault monitoring device and system - Google Patents
Transformer fault monitoring device and system Download PDFInfo
- Publication number
- CN207689623U CN207689623U CN201721920790.0U CN201721920790U CN207689623U CN 207689623 U CN207689623 U CN 207689623U CN 201721920790 U CN201721920790 U CN 201721920790U CN 207689623 U CN207689623 U CN 207689623U
- Authority
- CN
- China
- Prior art keywords
- transformer
- main control
- control chip
- detection module
- monitoring device
- 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.)
- Expired - Fee Related
Links
Landscapes
- Testing Relating To Insulation (AREA)
Abstract
The utility model provides a kind of transformer fault monitoring device and system, it is related to malfunction monitoring technical field, transformer fault monitoring device includes main control chip, and Partial Discharge Detection module, iron core grounding current detection module and the communication module being connect respectively with main control chip；Partial Discharge Detection module detects the local discharge signal inside transformer different location, and the local discharge signal is sent to main control chip；Iron core grounding current detection module detects the Ground leakage current of transformer core, and the Ground leakage current is sent to main control chip；Main control chip receives local discharge signal and Ground leakage current, and using the local discharge signal and Ground leakage current as the monitoring data of transformer, monitor terminal is sent to by communication module.The on-line real time monitoring to transformer has been achieved, has improved the reliability of monitoring result, has improved the service life of transformer, to improve the economy of operation of power networks, has improved user experience.
Description
Technical field
The utility model is related to malfunction monitoring technical fields, more particularly, to a kind of transformer fault monitoring device and are
System.
Background technology
Transformer be electric system most expensive and a most important one piece apparatus and structure is most complicated, failure rate compared with
High equipment, the safe operation of transformer is to ensureing that power supply reliability is of great significance.The failure rate of power transformer is higher,
The safe operation of electric system is not only greatly influenced, but also huge economic damage will be caused to electric power enterprise and power consumer
It loses.
Transformer run actually how long or how many times failure occur need overhaul, there is presently no determining for science
By and unified standard reduce economic loss caused by failure and accident, Ying Ding to improve the reliability of Operation of Electric Systems
Phase carries out insulation preventive trial to transformer.But conventional preventive trial needs transformer to have a power failure, and on the one hand can influence
To normal power supply, some significant datas cannot be tested when on the other hand having a power failure, and affect the reliability of monitoring result, and periodically
The on-off times that transformer can be increased when maintenance greatly reduce operation of power networks to affect the service life of transformer
Economy.
Therefore, conventional periodic preventative test method and modernization state-maintenance development trend are incompatible, have prison
Survey result reliability it is low, it is operation of power networks it is less economical, influence user daily electricity consumption the problem of.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of transformer fault monitoring device and system, to realize
To the on-line real time monitoring of transformer, the reliability of monitoring result is improved, improves the service life of transformer, to improve power grid
The economy of operation improves user experience.
In a first aspect, the utility model embodiment provides a kind of transformer fault monitoring device, including main control chip, with
And Partial Discharge Detection module, iron core grounding current detection module and the communication module being connect respectively with the main control chip；
Local discharge signal at Partial Discharge Detection module detection inside transformer different location, and by the office
Portion's discharge signal is sent to the main control chip；
The Ground leakage current of iron core grounding current detection module detection transformer core, and by the Ground leakage current
It is sent to the main control chip；
The main control chip receives the local discharge signal and the Ground leakage current, and by the local discharge signal
Monitoring data with the Ground leakage current as the transformer is sent to monitor terminal by the communication module.
With reference to first aspect, the utility model embodiment provides the first possible embodiment of first aspect,
In, the Partial Discharge Detection module includes ultra-high frequency signal sensor, HF current transformer and sonac；
The ultra-high frequency signal sensor is mounted in the operation hand hole or fuel outlet valve of the transformer；The high-frequency current
Mutual inductor is mounted on bottom shielding of bushing, neutral ground line or the folder ground wire of the transformer；The sonac peace
On the fuel tank outer wall of the transformer.
With reference to first aspect, the utility model embodiment provides second of possible embodiment of first aspect,
In, the iron core grounding current detection module includes centre path current sensor, and the centre path current sensor is mounted on institute
It states on the iron core grounding line of transformer.
With reference to first aspect, the utility model embodiment provides the third possible embodiment of first aspect,
In, the transformer fault monitoring device further includes oil temperature detection module；
The oil temperature detection module is connect with the main control chip, the temperature for detecting the transformer oil in oil tank of transformer
Angle value, and it is sent to the main control chip.
The third possible embodiment with reference to first aspect, the utility model embodiment provide the of first aspect
Four kinds of possible embodiments, wherein the transformer fault monitoring device further includes micro- water detection module；
Micro- water detection module is connect with the main control chip, is contained for detecting the moisture dissolved in the transformer oil
Amount, and it is sent to the main control chip.
The third possible embodiment with reference to first aspect, the utility model embodiment provide the of first aspect
Five kinds of possible embodiments, wherein the transformer fault monitoring device further includes oil dissolved gas detection module；
The oil dissolved gas detection module is connect with the main control chip, for detecting the gas dissolved in the transformer oil
Body content, and it is sent to the main control chip.
With reference to first aspect, the utility model embodiment provides the 6th kind of possible embodiment of first aspect,
In, the transformer fault monitoring device further includes vibration detection module；
The vibration detection module is connect with the main control chip, the vibration signal for detecting the transformer, concurrently
It send to the main control chip.
The 6th kind of possible embodiment with reference to first aspect, the utility model embodiment provide the of first aspect
Seven kinds of possible embodiments, wherein the vibration detection module includes vibrating sensor, and the vibrating sensor is arranged in institute
State the surface of transformer.
First party is provided in conjunction with above-mentioned first aspect and its any possible embodiment, the utility model embodiment
The 8th kind of possible embodiment in face, wherein the transformer fault monitoring device further includes alarm module；
The alarm module is connect with the main control chip, after receiving the alarm command that the main control chip is sent
It alarms.
Second aspect, the utility model embodiment also provide a kind of transformer fault monitoring system, including monitor terminal with
And the transformer fault monitoring device as described in first aspect and its any possible embodiment；
The transformer fault monitoring device is communicated to connect with the monitor terminal.
The utility model embodiment brings following advantageous effect：
In the utility model embodiment, transformer fault monitoring device includes main control chip, and respectively with main control chip
Partial Discharge Detection module, iron core grounding current detection module and the communication module of connection；The detection of Partial Discharge Detection module becomes
Local discharge signal inside depressor at different location, and the local discharge signal is sent to main control chip；Iron core grounding electricity
The Ground leakage current of detection module detection transformer core is flowed, and the Ground leakage current is sent to main control chip；Main control chip
Local discharge signal and Ground leakage current are received, and using the local discharge signal and Ground leakage current as the monitoring number of transformer
According to being sent to monitor terminal by communication module.The transformer fault monitoring device and system that the utility model embodiment provides,
The on-line real time monitoring to transformer is realized, monitoring personnel can pass through the monitoring number of monitor terminal real time inspection transformer
According to.Have a power failure since on-line real time monitoring does not need transformer, reduce the on-off times of transformer, and does not interfere with normal
Power supply, to improve the service life and user experience of transformer, improves the economy of operation of power networks；Due to the transformation
The on-line monitoring data that device fault monitoring device measures are more in line with actual conditions, therefore improve the reliability of monitoring result.
Other feature and advantage of the utility model will illustrate in the following description, also, partly from specification
In become apparent, or understood by implementing the utility model.The purpose of this utility model and other advantages are illustrating
Specifically noted structure is realized and is obtained in book, claims and attached drawing.
To enable the above objects, features, and advantages of the utility model to be clearer and more comprehensible, preferred embodiment cited below particularly, and
The appended attached drawing of cooperation, is described in detail below.
Description of the drawings
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific implementation mode or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art
Under the premise of labour, other drawings may also be obtained based on these drawings.
Fig. 1 is a kind of structural schematic diagram for transformer fault monitoring device that the utility model embodiment provides；
Fig. 2 is a kind of structural schematic diagram for Partial Discharge Detection module that the utility model embodiment provides；
Fig. 3 is the structural schematic diagram for another transformer fault monitoring device that the utility model embodiment provides；
Fig. 4 is the structural schematic diagram that a kind of transformer fault that the utility model embodiment provides monitors system.
Icon：
101- main control chips；102- Partial Discharge Detection modules；103- iron core grounding current detection modules；104- communicates mould
Block；201- ultra-high frequency signal sensors；202- HF current transformers；203- sonacs；204- data acquisition units；
301- oil temperature detection modules；The micro- water detection modules of 302-；303- oil dissolved gas detection modules；304- vibration detection modules；305-
Alarm module；41- transformer fault monitoring devices；42- monitor terminals.
Specific implementation mode
To keep the purpose, technical scheme and advantage of the utility model embodiment clearer, below in conjunction with attached drawing to this
The technical solution of utility model is clearly and completely described, it is clear that described embodiment is that the utility model part is real
Example is applied, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not making
The every other embodiment obtained under the premise of creative work, shall fall within the protection scope of the present invention.
Conventional preventive trial needs transformer to have a power failure at present, influences whether normally to power；It is a bit important when power failure
Data cannot test, and affect the reliability of monitoring result, and when periodic inspection can increase the on-off times of transformer, to influence
The service life of transformer, greatly reduces the economy of operation of power networks.Based on this, the utility model embodiment provide one
Kind transformer fault monitoring device and system, may be implemented the on-line real time monitoring to transformer, improve the reliable of monitoring result
Property, the service life of transformer is improved, to improve the economy of operation of power networks, improves user experience.
For ease of understanding the present embodiment, first to a kind of transformer fault disclosed in the utility model embodiment
Monitoring device describes in detail.
Embodiment one：
Fig. 1 is a kind of structural schematic diagram for transformer fault monitoring device that the utility model embodiment provides, such as Fig. 1 institutes
Show, transformer fault monitoring device includes main control chip 101, and the Partial Discharge Detection being connect respectively with main control chip 101
Module 102, iron core grounding current detection module 103 and communication module 104.
Partial Discharge Detection module 102 detects the local discharge signal inside transformer different location, and by the part
Discharge signal is sent to main control chip 101.Iron core grounding current detection module 103 detects the Ground leakage current of transformer core,
And the Ground leakage current is sent to main control chip 101.Main control chip 101 receives local discharge signal and Ground leakage current, and
Using the local discharge signal and Ground leakage current as the monitoring data of transformer, monitoring is sent to eventually by communication module 104
End.
Bushing shell for transformer is that inside transformer high and low pressure lead is led to the important component being connect with power grid outside fuel tank,
May be because of the influence of the changes in environmental conditions such as filth, burn into flashover, fever, mechanical force in its longtime running, insulation performance is rapid
Decline, and major defect may be caused, such as do not find and take measures in time, latent defect gradually develops, and may cause insulation
Breakdown and equipment damage.The variation of local discharge signal can reflect the degradation of transformer insulated performance, therefore pass through monitoring
The horizontal and vertical comparison of amount (local discharge signal) can grasp the state of insulation and its variation tendency of bushing shell for transformer.Pass through office
Portion's discharge examination module 102 detects the local discharge signal inside transformer different location, can realize inside transformer office
Put the on-line monitoring of (shelf depreciation), realize to transformer partial discharge it is accurate it is fixed mutually position, improve the accuracy of partial discharge detection with
Reliability.
Transformer iron core grounding current is monitored by iron core grounding current detection module 103, can reflect iron core multiple spot in time
The failures such as ground connection endanger caused by operation runs transformer safety when avoiding long after failure.Highly sensitive electric current may be used
Sensor acquires the leakage current (Ground leakage current) of transformer core over the ground, so as to according to leakage current judgement and in advance
Survey the health status of core inductance.In some possible embodiments, 1 centre path current sensor may be used, be installed on
On iron core grounding line, the operation and maintenance of transformer are not influenced after sensor installation.
Main control chip 101 integrates the monitoring data per secondary transmission, and is sent to monitor terminal by communication module 104.
Main control chip 101 can be common control chip, not limit the concrete model of main control chip 101 here.Communication module
104 include WIFI (WIreless-Fidelity, Wireless Fidelity) module, ethernet communication module, GSM (Global System
For Mobile communication, global system for mobile communications) communication module, GPRS (General Packet Radio
Service, general packet radio service technology) communication module and 4G (the 4th Generation mobile
Communication technology, fourth generation mobile communication technology) mould is in the block one or more.Monitor terminal can be
The monitoring room or desktop computer of fixed location, or the moveable electronics such as mobile phone, laptop, tablet computer is set
It is standby.
The on-line real time monitoring to transformer is achieved, monitoring personnel can pass through monitor terminal real time inspection transformation
The monitoring data of device.Have a power failure since on-line real time monitoring does not need transformer, reduces the on-off times of transformer, and not
Normal power supply can be influenced, to improve the service life and user experience of transformer, improves the economy of operation of power networks；
Since the on-line monitoring data that the transformer fault monitoring device measures are more in line with actual conditions, monitoring result is improved
Reliability.
Fig. 2 is a kind of structural schematic diagram for Partial Discharge Detection module that the utility model embodiment provides.In view of mesh
Preceding single-sensor, single method are easily by various live interference effects, it is difficult to the limitation in accurate judgement partial discharge source, such as Fig. 2
Shown, Partial Discharge Detection module 102 includes ultra-high frequency signal sensor 201, HF current transformer 202 and sonac
203。
Hyperfrequency (Ultra High Frequency, UHF) signal transducer is mounted on the operation hand hole of transformer or puts
In fuel tap, in some possible embodiments, passed as shown in Fig. 2, Partial Discharge Detection module 102 includes two ultra-high frequency signals
Sensor 201 is separately mounted in operation hand hole and fuel outlet valve.HF current transformer (high frequency current
Transformer, HFCT) it is mounted on the bottom shielding of bushing, neutral ground line or folder ground wire of high, middle pressure transformer,
In some possible embodiments, as shown in Fig. 2, Partial Discharge Detection module 102 includes three HF current transformers 202, point
Not An Zhuan bottom shielding of bushing, neutral ground line and folder ground wire on.Sonac 203 is mounted on outside the fuel tank of transformer
On wall, in some possible embodiments, using the external ultrasonic sensor of magnetic adsorption type structure, external ultrasonic sensor
It is adsorbed on fuel tank outer wall, can at any time be installed under running state of transformer.
In view of the interface on main control chip 101 is limited, in order to improve 102 inner sensor of Partial Discharge Detection module
Scalability, as shown in Fig. 2, Partial Discharge Detection module 102 further includes data acquisition unit 204, data acquisition unit 204
It is connect with main control chip 101.Ultra-high frequency signal sensor 201, HF current transformer 202 and sonac 203 respectively with
Data acquisition unit 204 connects, and after data acquisition unit 204 collects the data of each sensor detection, is uniformly sent to master control
Chip 101.In this way when Partial Discharge Detection module 102 increases the quantity of sensor, main control chip 101 is not interfered with, is sensed
The extended capability of device is strong.
The method being combined using UHF, HFCT, acoustic signals (Acoustic Emission, AE) is realized in transformer
The on-line monitoring of portion's partial discharge, improves anti-interference ability and sensitivity, to further improve the accuracy of diagnosis and reliable
Property.
Fig. 3 is the structural schematic diagram for another transformer fault monitoring device that the utility model embodiment provides.Consider
Speed to the insulation ag(e)ing of transformer is mainly determined that, with the raising of temperature, insulation ag(e)ing rate is faster by temperature, direct shadow
The service life of transformer is rung, as shown in figure 3, on the basis of Fig. 1, above-mentioned transformer fault monitoring device further includes oil temperature inspection
Survey module 301.Oil temperature detection module 301 is connect with main control chip 101, the temperature for detecting the transformer oil in oil tank of transformer
Angle value, and it is sent to main control chip 101.The oil temperature detection module 301 includes temperature sensor.
In view of the moisture (abbreviation dissolved in transformer oil：Micro- water) be influence one of transformer reliability it is important
Index because the presence of moisture can reduce insulating oil breakdown voltage and increase dielectric loss, accelerate insulating polymeric material
Degradation aging can cause insulation breakdown and shelf depreciation when serious to reduce the properties of insulation system, affect change
The safe operation of depressor, as shown in figure 3, above-mentioned transformer fault monitoring device further includes micro- water detection module 302.Micro- water detection
Module 302 is connect with main control chip 101, for detecting the moisture dissolved in transformer oil, and is sent to main control chip
101.Micro- water detection module 302 can be, but not limited to monitor sensor on-line for micro- water in oil.
In view of oily insulating materials can gradual aging and decomposition, generate a small amount of various low molecular hydrocarbon gases, such as hydrogen
Gas, methane, ethane, ethylene etc., therefore measurement oil dissolved gas can preferably react the state of insulation and failure shape of transformer
State.As shown, above-mentioned transformer fault monitoring device further includes oil dissolved gas detection module 303.Oil dissolved gas detection module
303 connect with main control chip 101, for detecting the gas content dissolved in transformer oil, and are sent to main control chip 101.Oil
Middle gas detection module 303 may be used existing oil dissolved gas detection method and be detected, and which is not described herein again.
Based on Fig. 3, above-mentioned main control chip 101 is by the temperature value of transformer oil, moisture and gas content and above-mentioned
Local discharge signal and Ground leakage current are sent to monitoring eventually together as the monitoring data of transformer by communication module 104
End.Consider the influence of temperature value, moisture and the gas content of transformer oil to transformer in this way convenient for monitoring personnel,
So that the diagnostic result reliability higher that monitoring personnel obtains.
The vibration of transformer body is the vibration and cooling device due to transformer body (general designation of iron core and winding etc.)
Vibration generate.The displacement and change of the vibration on transformer body surface and transformer winding and the compression situation, winding of iron core
The situations such as shape are closely related, measured everywhere according to transformer body vibration signal change degree can determine whether out transformer winding or
Whether iron core is defective, monitors the abnormal vibration of power transformer on-line and can realize the detection and positioning of transformer defect.Short
Under the situation of road, transformer body vibration mainly caused by basket vibration, can utilize transformer when short circuit accident occurs
Whether device body vibration signal is deformed or is loosened to monitor winding.Based on this, as shown in figure 3, above-mentioned transformer fault is supervised
It further includes vibration detection module 304 to survey device.Vibration detection module 304 is connect with main control chip 101, for detecting transformer
Vibration signal, and it is sent to main control chip 101.
In some possible embodiments, above-mentioned vibration detection module 304 includes vibrating sensor, vibrating sensor setting
On the surface of transformer.Monitoring personnel can be judged according to the vibration signal of detection transformer winding whether deformed or pine
It is dynamic.
Further, as shown in figure 3, above-mentioned transformer fault monitoring device further includes alarm module 305.Alarm module
305 connect with main control chip 101, alarm after the alarm command for receiving the transmission of main control chip 101.Main control chip
101 are additionally operable to, when receiving the alarm signal of monitor terminal transmission by communication module 104, send and report to alarm module 305
Alert instruction.Alarm module 305 can be, but not limited to as audible-visual annunciator.In this way, can notify to become in time by alarm module 305
The abnormal conditions of staff's timely processing transformer near depressor, prevent from causing further losing.
Embodiment two：
Fig. 4 is the structural schematic diagram that a kind of transformer fault that the utility model embodiment provides monitors system, such as Fig. 4 institutes
Show, transformer fault monitoring system includes monitor terminal 42 and the transformer fault monitoring device such as above-described embodiment one
41.Transformer fault monitoring device 41 is communicated to connect with monitor terminal 42.
In the utility model embodiment, transformer fault monitoring device includes main control chip, and respectively with main control chip
Partial Discharge Detection module, iron core grounding current detection module and the communication module of connection；The detection of Partial Discharge Detection module becomes
Local discharge signal inside depressor at different location, and the local discharge signal is sent to main control chip；Iron core grounding electricity
The Ground leakage current of detection module detection transformer core is flowed, and the Ground leakage current is sent to main control chip；Main control chip
Local discharge signal and Ground leakage current are received, and using the local discharge signal and Ground leakage current as the monitoring number of transformer
According to being sent to monitor terminal by communication module.Including the transformer fault of the transformer fault monitoring device monitors system, it is real
The on-line real time monitoring to transformer is showed, monitoring personnel can pass through the monitoring data of monitor terminal real time inspection transformer.
Have a power failure since on-line real time monitoring does not need transformer, reduces the on-off times of transformer, and do not interfere with normal confession
Electricity improves the economy of operation of power networks to improve the service life and user experience of transformer；Due to the transformer
The on-line monitoring data that fault monitoring device measures are more in line with actual conditions, therefore improve the reliability of monitoring result.
It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description
Specific work process, can refer to aforementioned device embodiment in corresponding process, details are not described herein.
The transformer fault that the utility model embodiment provides monitors system, the transformer fault provided with above-described embodiment
Monitoring device technical characteristic having the same reaches identical technique effect so can also solve identical technical problem.
In addition, in the description of the utility model embodiment unless specifically defined or limited otherwise, term " installation ",
" connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally connect
It connects；It can be mechanical connection, can also be electrical connection；It can be directly connected, can also indirectly connected through an intermediary, it can
To be the connection inside two elements.For the ordinary skill in the art, it can understand above-mentioned term with concrete condition
Concrete meaning in the present invention.
It is in the description of the present invention, it should be noted that term "center", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
The utility model and simplifying describes for ease of description, do not indicate or imply the indicated device or element must have it is specific
Orientation, with specific azimuth configuration and operation, therefore should not be understood as limiting the present invention.In addition, term " the
One ", " second ", " third " are used for description purposes only, and are not understood to indicate or imply relative importance.
In several embodiments provided herein, it should be understood that disclosed system, device can pass through it
Its mode is realized.The apparatus embodiments described above are merely exemplary, for example, the division of the unit, only
A kind of division of logic function, formula that in actual implementation, there may be another division manner, in another example, multiple units or component can combine
Or it is desirably integrated into another system, or some features can be ignored or not executed.Another point, shown or discussed phase
Coupling, direct-coupling or communication connection between mutually can be by some communication interfaces, the INDIRECT COUPLING of device or unit or
Communication connection can be electrical, machinery or other forms.
The unit illustrated as separating component may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, you can be located at a place, or may be distributed over multiple
In network element.Some or all of unit therein can be selected according to the actual needs to realize the mesh of this embodiment scheme
's.
In addition, each functional unit in each embodiment of the utility model can be integrated in a processing unit,
Can be that each unit physically exists alone, it can also be during two or more units be integrated in one unit.
Finally it should be noted that：Embodiment described above, only specific embodiment of the present utility model, to illustrate this
The technical solution of utility model, rather than its limitations, the scope of protection of the utility model is not limited thereto, although with reference to aforementioned
The utility model is described in detail in embodiment, it will be understood by those of ordinary skill in the art that：It is any to be familiar with this skill
The technical staff in art field within the technical scope disclosed by the utility model, still can be to the skill recorded in previous embodiment
Art scheme modify or can readily occur in variation or equivalent replacement of some of the technical features；And these modifications,
Variation is replaced, the spirit and model of the utility model embodiment technical solution that it does not separate the essence of the corresponding technical solution
It encloses, should be covered within the scope of the utility model.Therefore, the scope of protection of the utility model is answered described is wanted with right
Subject to the protection domain asked.
Claims (10)
1. a kind of transformer fault monitoring device, which is characterized in that including main control chip, and connect respectively with the main control chip
Partial Discharge Detection module, iron core grounding current detection module and the communication module connect；
Local discharge signal at the Partial Discharge Detection module detection inside transformer different location, and the part is put
Electric signal is sent to the main control chip；
The Ground leakage current of the iron core grounding current detection module detection transformer core, and the Ground leakage current is sent
To the main control chip；
The main control chip receives the local discharge signal and the Ground leakage current, and by the local discharge signal and institute
Monitoring data of the Ground leakage current as the transformer is stated, monitor terminal is sent to by the communication module.
2. transformer fault monitoring device according to claim 1, which is characterized in that the Partial Discharge Detection module packet
Include ultra-high frequency signal sensor, HF current transformer and sonac；
The ultra-high frequency signal sensor is mounted in the operation hand hole or fuel outlet valve of the transformer；The high-frequency current mutual inductance
Device is mounted on bottom shielding of bushing, neutral ground line or the folder ground wire of the transformer；The sonac is mounted on
On the fuel tank outer wall of the transformer.
3. transformer fault monitoring device according to claim 1, which is characterized in that the iron core grounding current detects mould
Block includes centre path current sensor, and the centre path current sensor is mounted on the iron core grounding line of the transformer.
4. transformer fault monitoring device according to claim 1, which is characterized in that the transformer fault monitoring device
It further include oil temperature detection module；
The oil temperature detection module is connect with the main control chip, the temperature for detecting the transformer oil in oil tank of transformer
Value, and it is sent to the main control chip.
5. transformer fault monitoring device according to claim 4, which is characterized in that the transformer fault monitoring device
It further include micro- water detection module；
Micro- water detection module is connect with the main control chip, for detecting the moisture dissolved in the transformer oil,
And it is sent to the main control chip.
6. transformer fault monitoring device according to claim 4, which is characterized in that the transformer fault monitoring device
It further include oil dissolved gas detection module；
The oil dissolved gas detection module is connect with the main control chip, is contained for detecting the gas dissolved in the transformer oil
Amount, and it is sent to the main control chip.
7. transformer fault monitoring device according to claim 1, which is characterized in that the transformer fault monitoring device
It further include vibration detection module；
The vibration detection module is connect with the main control chip, the vibration signal for detecting the transformer, and is sent to
The main control chip.
8. transformer fault monitoring device according to claim 7, which is characterized in that the vibration detection module includes shaking
Dynamic sensor, the vibrating sensor are arranged on the surface of the transformer.
9. the transformer fault monitoring device according to any one of claim 1-8, which is characterized in that the transformer event
It further includes alarm module to hinder monitoring device；
The alarm module is connect with the main control chip, for being carried out after receiving the alarm command that the main control chip is sent
Alarm.
10. a kind of transformer fault monitors system, which is characterized in that including monitor terminal and as in the claims 1-9
Any one of them transformer fault monitoring device；
The transformer fault monitoring device is communicated to connect with the monitor terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721920790.0U CN207689623U (en) | 2017-12-29 | 2017-12-29 | Transformer fault monitoring device and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721920790.0U CN207689623U (en) | 2017-12-29 | 2017-12-29 | Transformer fault monitoring device and system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207689623U true CN207689623U (en) | 2018-08-03 |
Family
ID=62993986
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721920790.0U Expired - Fee Related CN207689623U (en) | 2017-12-29 | 2017-12-29 | Transformer fault monitoring device and system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207689623U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114252749A (en) * | 2022-02-28 | 2022-03-29 | 国网湖北省电力有限公司检修公司 | Transformer partial discharge detection method and device based on multiple sensors |
-
2017
- 2017-12-29 CN CN201721920790.0U patent/CN207689623U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114252749A (en) * | 2022-02-28 | 2022-03-29 | 国网湖北省电力有限公司检修公司 | Transformer partial discharge detection method and device based on multiple sensors |
| CN114252749B (en) * | 2022-02-28 | 2022-06-17 | 国网湖北省电力有限公司检修公司 | Transformer partial discharge detection method and device based on multiple sensors |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108152653A (en) | Transformer fault monitoring device and system | |
| CN202582602U (en) | Transformer running state comprehensive monitoring system | |
| US20140216157A1 (en) | Method for Determining Arc Discharge as well as Failure of Mechanical Vibration and Abnormal Displacement in Power Equipment Using Acoustic Energy Feature | |
| CN103513139A (en) | Power transformer fault intelligent diagnosis technology, method and device | |
| CN103234578A (en) | Switchgear environment status parameter monitoring device based on ZigBee network | |
| CN207689623U (en) | Transformer fault monitoring device and system | |
| JP2016206192A (en) | Multiple coil configuration for faulted circuit indicator | |
| CN105911436A (en) | Supersonic wave-based partial discharge wireless monitoring system | |
| CN110471020B (en) | Capacitor voltage transformer monitoring device with self-diagnosis function | |
| CN102157299B (en) | Online monitoring gas relay | |
| CN109632146A (en) | Power equipment temperature monitoring system and radio temperature sensor | |
| CN109239560B (en) | Fault arc detection method, device and storage medium | |
| CN203148469U (en) | Monitoring device for switch cabinet environment parameters based on ZigBee network | |
| CN211043557U (en) | Signal coupling antenna for ultrahigh frequency partial discharge sensor and sensor | |
| CN110927540A (en) | C-GIS intelligent partial discharge monitoring device based on electrified display | |
| CN105046908A (en) | Movable oil-gas monitoring data remote transmission system | |
| CN104267321A (en) | GIS state monitoring device based on Zigbee wireless networking | |
| CN202796400U (en) | Intelligent dry-type transformer | |
| CN101170251B (en) | Electronic quick oil pressure relay device for oil filling power device | |
| CN207502638U (en) | Monitoring device and monitoring system | |
| CN207717127U (en) | A kind of information machine room power equipment performance monitoring apparatus | |
| CN207780166U (en) | Sensor for the detection of gas-insulating and fully-enclosed combined electrical apparatus insulation defect | |
| CN101740198B (en) | Capacitive insulating bushing tap device with online monitoring capability | |
| CN204731186U (en) | A kind of testing circuit of gas insulated combined electrical equipment internal breakup thing | |
| CN202870239U (en) | GIS equipment partial discharge monitoring device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180803 Termination date: 20181229 |