CN207114700U - A kind of partial discharge of transformer on-line monitoring system - Google Patents
A kind of partial discharge of transformer on-line monitoring system Download PDFInfo
- Publication number
- CN207114700U CN207114700U CN201720799325.XU CN201720799325U CN207114700U CN 207114700 U CN207114700 U CN 207114700U CN 201720799325 U CN201720799325 U CN 201720799325U CN 207114700 U CN207114700 U CN 207114700U
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- China
- Prior art keywords
- uhf sensor
- shelf depreciation
- main frames
- optical transceiver
- transformer
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Abstract
The utility model discloses a kind of partial discharge of transformer on-line monitoring system,Including uhf sensor and noise transducer,Described uhf sensor and noise transducer connect with shelf depreciation IED main frames respectively,Shelf depreciation IED main frames include wave detector,Analog-digital converter and data acquisition unit,Wave detector is connected with uhf sensor and noise transducer,Wave detector is connected by analog-digital converter with data acquisition unit,Data acquisition unit is connected by network signal converter with the first fiber optical transceiver,First fiber optical transceiver is connected by optical fiber with the second fiber optical transceiver,Second fiber optical transceiver connects with host computer,Shelf depreciation IED main frames are set at the scene in centralized control cabinet,Mounting hole is offered in side wall in live centralized control cabinet," L " font bend pipe is fixed with mounting hole,The data wire of uhf sensor and noise transducer is connected after passing through bend pipe with shelf depreciation IED main frames.The utility model can monitor partial discharge of transformer situation in real time.
Description
Technical field
A kind of on-line monitoring system is the utility model is related to, it is online more specifically to a kind of partial discharge of transformer
Monitoring system.
Background technology
Partial discharge of transformer is short, and energy also very little, but have very big harmfulness, its long-term existence is to exhausted
Edge material will produce larger destruction, first, making the insulating materials of neighbouring shelf depreciation, directly be banged by electric discharge particle
The damage for causing minor insulation is hit, second, heat, ozone, the chemical action of nitrogen oxide isoreactivity gas as caused by electric discharge, make office
Portion's insulation conductance increase, is ultimately resulted in thermal breakdown by corrosion and ageing.Operating transformer, the aging of built-in electrical insulation and broken
It is bad, more since shelf depreciation.
The content of the invention
1. utility model technical problems to be solved
The purpose of this utility model is to overcome the shortcomings of above-mentioned, there is provided a kind of partial discharge of transformer on-line monitoring system
System, it is simple in construction using the technical solution of the utility model, it is easy to operate, monitoring partial discharge of transformer in real time can be realized
Situation, and good to the sensitivity of Partial Discharge Online Monitoring of Transformers, in addition monitoring process can protect shelf depreciation IED main frames with
And the tie point of uhf sensor and noise transducer and shelf depreciation IED.
2. technical scheme
To reach above-mentioned purpose, technical scheme provided by the utility model is：
A kind of partial discharge of transformer on-line monitoring system of the present utility model, including uhf sensor and noise sensing
Device, described uhf sensor and noise transducer connect with shelf depreciation IED main frames respectively, described shelf depreciation IED
Main frame includes wave detector, analog-digital converter and data acquisition unit, described wave detector and above-mentioned uhf sensor and noise
Sensor is connected, and wave detector is connected by analog-digital converter with data acquisition unit, and data acquisition unit passes through network signal converter
It is connected with the first fiber optical transceiver, first fiber optical transceiver is connected by optical fiber with the second fiber optical transceiver, and the second optical fiber is received
Hair device is connected with host computer, and wherein shelf depreciation IED main frames are set at the scene in centralized control cabinet, in the side wall in the live centralized control cabinet
Mounting hole is offered, is fixed with " L " font bend pipe at the mounting hole, the data wire of uhf sensor and noise transducer passes through
It is connected after bend pipe with shelf depreciation IED main frames.
Further, described uhf sensor includes built-in uhf sensor and external uhf sensor,
Described built-in uhf sensor and external uhf sensor are connected by multiway analog switch and shelf depreciation IED main frames
It is logical.
Further, one end of described bend pipe is installed with flange, and the other end of bend pipe is in horn-like.
3. beneficial effect
Using technical scheme provided by the utility model, compared with existing known technology, have the advantages that：
(1) a kind of partial discharge of transformer on-line monitoring system of the present utility model, its uhf sensor and noise pass
Sensor connects with shelf depreciation IED main frames respectively, and shelf depreciation IED main frames include wave detector, analog-digital converter and data acquisition
Device, wave detector are connected with above-mentioned uhf sensor and noise transducer, and wave detector passes through analog-digital converter and data acquisition
Device is connected, and data acquisition unit is connected by network signal converter with the first fiber optical transceiver, and first fiber optical transceiver passes through
Optical fiber is connected with the second fiber optical transceiver, and the second fiber optical transceiver connects with host computer, simple in construction, easy to operate, wave detector
For carrying out detection processing to uhf sensor output signal, analog-digital converter is used for the output signal after handling detection and entered
Row analog-to-digital conversion simultaneously retains amplitude and phase information, and data acquisition unit is used for being acquired after analog-digital converter processing, and
It is delivered in host computer and is analyzed and processed by the first fiber optical transceiver and the second fiber optical transceiver；
(2) a kind of partial discharge of transformer on-line monitoring system of the present utility model, its shelf depreciation IED main frames are arranged on
In live centralized control cabinet, mounting hole is offered in the side wall in the live centralized control cabinet, " L " font bend pipe is fixed with the mounting hole,
The data wire of uhf sensor and noise transducer be connected after passing through bend pipe with shelf depreciation IED main frames, without general during use
The cabinet door of live centralized control cabinet is always on, cabinet door need to be only opened when just starting installation uhf sensor and noise are sensed
The data wire of device is connected after passing through bend pipe with shelf depreciation IED main frames, can then be closed always unless necessary in monitoring process
Cabinet door, protect the connection of shelf depreciation IED main frames and uhf sensor and noise transducer and shelf depreciation IED main frames
Point；
(3) a kind of partial discharge of transformer on-line monitoring system of the present utility model, its uhf sensor include built-in
Uhf sensor and external uhf sensor, built-in uhf sensor and external uhf sensor pass through multi-channel analog
Switch connects with shelf depreciation IED main frames, it is possible to increase to the sensitivity of Partial Discharge Online Monitoring of Transformers；
(4) a kind of partial discharge of transformer on-line monitoring system of the present utility model, one end of its bend pipe are installed with flange,
So that stable connection between bend pipe and live centralized control cabinet, the other end of bend pipe has the function of protective cover in horn-like, out of doors when
Being capable of waterproof.
Brief description of the drawings
Fig. 1 is a kind of structural representation of partial discharge of transformer on-line monitoring system of the present utility model；
Fig. 2 is that the structure of live centralized control cabinet 1 in a kind of partial discharge of transformer on-line monitoring system of the present utility model is shown
It is intended to.
Label declaration in schematic diagram：1st, live centralized control cabinet；2nd, bend pipe.
Embodiment
To further appreciate that content of the present utility model, the utility model is described in detail in conjunction with the accompanying drawings and embodiments.
Embodiment
With reference to Fig. 1, a kind of partial discharge of transformer on-line monitoring system of the present embodiment, including uhf sensor and make an uproar
Sonic transducer, uhf sensor and noise transducer connect with shelf depreciation IED main frames respectively, and wherein high frequency sensors include
Built-in uhf sensor and external uhf sensor, built-in uhf sensor and external uhf sensor pass through multichannel
Analog switch connects with shelf depreciation IED main frames, is combined by built-in uhf sensor and external uhf sensor, energy
Enough sensitivitys improved to Partial Discharge Online Monitoring of Transformers, and multiway analog switch is prior art, is not just being repeated herein；
Shelf depreciation IED main frames include wave detector, analog-digital converter and data acquisition unit, wave detector and above-mentioned hyperfrequency
Sensor is connected with noise transducer, and wave detector is connected by analog-digital converter with data acquisition unit, and data acquisition unit passes through net
Network signal adapter is connected with the first fiber optical transceiver, and first fiber optical transceiver is connected by optical fiber and the second fiber optical transceiver
Connect, the second fiber optical transceiver connects with host computer, simple in construction, easy to operate, and wave detector is used to export uhf sensor
Signal carry out detection processing, analog-digital converter be used for detection handle after output signal carry out analog-to-digital conversion and retain amplitude and
Phase information, data acquisition unit is used for being acquired after analog-digital converter processing, and passes through the first fiber optical transceiver and the
Two fiber optical transceivers, which are delivered in host computer, to be analyzed and processed；
Continue and combine Fig. 2, wherein shelf depreciation IED main frames are set at the scene in centralized control cabinet 1, in the live centralized control cabinet 1
Side wall on offer mounting hole, be fixed with " L " font bend pipe 2 at the mounting hole, uhf sensor and noise transducer
Data wire be connected after passing through bend pipe with shelf depreciation IED main frames, without the cabinet door of live centralized control cabinet is always on during use,
Need to just start installation when open cabinet door cause the data wire of uhf sensor and noise transducer pass through bend pipe after with part
The IED main frames that discharge connect, and can then close cabinet door in monitoring process always unless necessary, protect shelf depreciation IED main frames
And the tie point of uhf sensor and noise transducer and shelf depreciation IED main frames；One end of bend pipe 2 is consolidated in the present embodiment
Provided with flange so that stable connection between bend pipe and live centralized control cabinet, the other end of bend pipe is in horn-like, there is the work(of protective cover
Can, out of doors when being capable of waterproof.
A kind of partial discharge of transformer on-line monitoring system of the present utility model, it is simple in construction, it is easy to operate, it can realize
Monitoring partial discharge of transformer situation in real time, and it is good to the sensitivity of Partial Discharge Online Monitoring of Transformers, in addition in monitoring process energy
Enough protect the tie point of shelf depreciation IED main frames and uhf sensor and noise transducer and shelf depreciation IED.
Schematically the utility model and embodiments thereof are described above, this describes no restricted, accompanying drawing
Shown in be also one of embodiment of the present utility model, actual structure is not limited thereto.So if this area
Those of ordinary skill enlightened by it, do not depart from the utility model create objective in the case of, without creativeness design
The frame mode similar to the technical scheme and embodiment, the scope of protection of the utility model all should be belonged to.
Claims (3)
1. a kind of partial discharge of transformer on-line monitoring system, including uhf sensor and noise transducer, it is characterised in that：
Described uhf sensor and noise transducer connect with shelf depreciation IED main frames respectively, described shelf depreciation IED main frames
Including wave detector, analog-digital converter and data acquisition unit, described wave detector senses with above-mentioned uhf sensor and noise
Device is connected, and wave detector connected by analog-digital converter with data acquisition unit, and data acquisition unit passes through network signal converter and the
One fiber optical transceiver is connected, and first fiber optical transceiver is connected by optical fiber with the second fiber optical transceiver, the second fiber optical transceiver
Connected with host computer, wherein shelf depreciation IED main frames are set in centralized control cabinet (1) at the scene, the side wall in the live centralized control cabinet (1)
On offer mounting hole, the data of " L " font bend pipe (2), uhf sensor and noise transducer are fixed with the mounting hole
Line is connected after passing through bend pipe with shelf depreciation IED main frames.
A kind of 2. partial discharge of transformer on-line monitoring system according to claim 1, it is characterised in that：Described superelevation
Video sensor includes built-in uhf sensor and external uhf sensor, described built-in uhf sensor and external super
High frequency sensors are connected by multiway analog switch with shelf depreciation IED main frames.
A kind of 3. partial discharge of transformer on-line monitoring system according to claim 2, it is characterised in that：Described bend pipe
(2) one end is installed with flange, and the other end of bend pipe is in horn-like.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720799325.XU CN207114700U (en) | 2017-07-04 | 2017-07-04 | A kind of partial discharge of transformer on-line monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720799325.XU CN207114700U (en) | 2017-07-04 | 2017-07-04 | A kind of partial discharge of transformer on-line monitoring system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207114700U true CN207114700U (en) | 2018-03-16 |
Family
ID=61587574
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720799325.XU Active CN207114700U (en) | 2017-07-04 | 2017-07-04 | A kind of partial discharge of transformer on-line monitoring system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207114700U (en) |
-
2017
- 2017-07-04 CN CN201720799325.XU patent/CN207114700U/en active Active
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