CN207908626U - A kind of simulation high frequency Partial discharge signal generating means - Google Patents
A kind of simulation high frequency Partial discharge signal generating means Download PDFInfo
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- CN207908626U CN207908626U CN201820410347.7U CN201820410347U CN207908626U CN 207908626 U CN207908626 U CN 207908626U CN 201820410347 U CN201820410347 U CN 201820410347U CN 207908626 U CN207908626 U CN 207908626U
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- high frequency
- partial discharge
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- oscillograph
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Abstract
The utility model is related to a kind of simulation high frequency Partial discharge signal generating means,Including signal generator,Simulate Partial discharge signal device,First oscillograph,Second oscillograph and high frequency partial discharge detecting system,The high frequency partial discharge detecting system includes data processing module and receiver port,The signal generator is connect with the input terminal of receiver port and the first oscillograph respectively,The output end of first oscillograph is connect with receiver port,The simulation Partial discharge signal device includes sequentially connected discharge circuit,High Frequency Current Sensor and signal picker,The signal picker is connect with receiver port and the second oscillograph respectively,The signal picker reaches high frequency partial discharge detecting system after the discharge signal data that High Frequency Current Sensor acquires are carried out format analysis processing,The output end of second oscillograph is connect with receiver port；This practicality can effectively detect the working performance of high frequency partial discharge detecting system, reduce the failure rate of high frequency partial discharge detecting system.
Description
Technical field
The utility model is related to power equipment high frequency partial discharge detection field, in particular to a kind of simulation high frequency partial discharge
Signal generation apparatus.
Background technology
High frequency partial discharge detection method is the common measurement side for power equipment shelf depreciation defects detection and positioning
One of method.High frequency partial discharge detecting technique can be widely applied to the office of the power equipments such as power cable and its attachment, transformer
Detection is put, high-frequency pulse current signal can be coupled by inductance type coupling sensor or capacitive couplings sensor,
Signal can be coupled by the probe of special designing.
High frequency partial discharge detection method is broadly divided into capacitance type transducers according to sensor type and inductive type senses
Device.Inductive type sensors high-frequency current sensor have strong, easy for installation, the live anti-interference ability of portability preferably etc. it is excellent
Point, therefore be most widely used, working method is to flowing through the ground wire of power equipment, neutral point wiring and cable body
Middle discharge pulse current signal is detected.
Domestic some scientific research institutions and enterprise started to develop high frequency partial discharge detection device and the inspection of high frequency partial discharge in recent years
Examining system, for this case, my company, which designs and develops one kind, being directed to high frequency partial discharge detecting system, to detect high frequency
The working performance of partial discharge detecting system, verifies whether each testing standard meets national standard, reduces high frequency partial discharge detecting system
Failure rate.
Utility model content
Purpose of the utility model is to solve above-mentioned existing defects, and high frequency partial discharge detection can be reduced by providing one kind
The simulation high frequency Partial discharge signal generating means of the failure rate of system.
To achieve the above object, the technical solution of the utility model is as follows：
A kind of simulation high frequency Partial discharge signal generating means, which is characterized in that including signal generator, simulation Partial discharge signal dress
It sets, the first oscillograph, the second oscillograph and high frequency partial discharge detecting system, the high frequency partial discharge detecting system includes data processing
Module and receiver port, the signal generator are defeated with receiver port and the first oscillograph respectively by signal wire
Enter end connection, the output end of first oscillograph connect with receiver port, the simulation Partial discharge signal device include according to
Discharge circuit, High Frequency Current Sensor and the signal picker of secondary connection, the signal picker by signal wire respectively with letter
Number receiving port and the connection of the second oscillograph, the discharge signal data that the signal picker acquires High Frequency Current Sensor into
High frequency partial discharge detecting system is reached after row format processing, the output end of second oscillograph is connect with receiver port.
The detection frequency range of the High Frequency Current Sensor is 3MHz~30MHz as a preferred technical solution,.
The beneficial effects of the utility model are：The working performance of high frequency partial discharge detecting system can be effectively detected, verification is each
Whether testing standard meets national standard, reduces the failure rate of high frequency partial discharge detecting system.
Description of the drawings
Fig. 1 is a kind of functional block diagram of simulation high frequency Partial discharge signal generating means of the utility model.
In figure：1- signal generators, 2- simulations Partial discharge signal device, 2-1- discharge circuits, 2-2- High Frequency Current Sensors,
2-3- signal pickers, the first oscillographs of 3-, the second oscillographs of 4-, 5- high frequencies partial discharge detecting system, 5-1- data processing modules,
5-2- receiver ports.
Specific implementation mode
To make the structure feature to the utility model and the effect of being reached has a better understanding and awareness, to compared with
Good embodiment and attached drawing cooperation detailed description, are described as follows：
As shown in Figure 1, a kind of simulation high frequency Partial discharge signal generating means, including signal generator 1, simulation Partial discharge signal dress
The 2, first oscillograph 3, the second oscillograph 4 and high frequency partial discharge detecting system 5 are set, high frequency partial discharge detecting system 5 includes at data
Module 5-1 and receiver port 5-2 is managed, signal generator 1 is shown with receiver port 5-2 and first respectively by signal wire
The input terminal of wave device 3 connects, and the output end of the first oscillograph 3 is connect with receiver port 5-2, simulation Partial discharge signal device 2
Including sequentially connected discharge circuit 2-1, High Frequency Current Sensor 2-2 and signal picker 2-3, signal picker 2-3 passes through
Signal wire is connect with receiver port 5-2 and the second oscillograph 4 respectively, and signal picker 2-3 is by High Frequency Current Sensor 2-2
The discharge signal data of acquisition reach high frequency partial discharge detecting system 5, the output end and letter of the second oscillograph 4 after carrying out format analysis processing
Number receiving port 5-2 connections.
In the present embodiment, the detection frequency range of High Frequency Current Sensor 2-2 is 3MHz~30MHz.
In the present embodiment, signal generator 1 is directly accessed by signal wire in high frequency partial discharge detecting system 5, it would be desirable to
Waveform be delivered to high frequency partial discharge detecting system 5, by the data processing module 5-1 processing input letter of high frequency partial discharge detecting system 5
Number, obtain with the free from error data characteristics amount of waveform input signal, come judge high frequency partial discharge detecting system 5 basic hardware whether
It can work normally, meanwhile, 3 output end of the first oscillograph is connect with receiver port 5-2, the waveform on the first oscillograph 3
Data processing module 5-1 in high frequency partial discharge detecting system 5 can be can also be used as the reference waveform standard of signal generator
Result reference；By adjusting the discharge circuit 2-1 in simulation Partial discharge signal device 2, high frequency partial discharge detecting system 5 can be detected
Particular parameter value (such as transfer impedance, detection frequency, sensitivity, the linearity and anti-interference), the main work of the second oscillograph 4
With the contrast standard for being intended for the waveform that input waveform is obtained with the detection of high frequency partial discharge detecting system 5.
In conclusion the only preferred embodiment of the utility model, is not used for limiting the utility model implementation
Range, equivalent change carried out by all shape, construction, feature and spirit according to described in the utility model claims range with repair
Decorations, should all be included in the right of the utility model.
Claims (2)
1. a kind of simulation high frequency Partial discharge signal generating means, which is characterized in that including signal generator, simulation Partial discharge signal dress
It sets, the first oscillograph, the second oscillograph and high frequency partial discharge detecting system, the high frequency partial discharge detecting system includes data processing
Module and receiver port, the signal generator are defeated with receiver port and the first oscillograph respectively by signal wire
Enter end connection, the output end of first oscillograph connect with receiver port, the simulation Partial discharge signal device include according to
Discharge circuit, High Frequency Current Sensor and the signal picker of secondary connection, the signal picker by signal wire respectively with letter
Number receiving port and the connection of the second oscillograph, the discharge signal data that the signal picker acquires High Frequency Current Sensor into
High frequency partial discharge detecting system is reached after row format processing, the output end of second oscillograph is connect with receiver port.
2. a kind of simulation high frequency Partial discharge signal generating means according to claim 1, it is characterised in that：The high-frequency current
The detection frequency range of sensor is 3MHz~30MHz.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820410347.7U CN207908626U (en) | 2018-03-23 | 2018-03-23 | A kind of simulation high frequency Partial discharge signal generating means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820410347.7U CN207908626U (en) | 2018-03-23 | 2018-03-23 | A kind of simulation high frequency Partial discharge signal generating means |
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| CN207908626U true CN207908626U (en) | 2018-09-25 |
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| CN201820410347.7U Active CN207908626U (en) | 2018-03-23 | 2018-03-23 | A kind of simulation high frequency Partial discharge signal generating means |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109839579A (en) * | 2018-12-27 | 2019-06-04 | 国网浙江诸暨市供电有限公司 | Intelligent voltage limiter lightning current impact test apparatus |
| CN110146790A (en) * | 2019-05-06 | 2019-08-20 | 西安工程大学 | A kind of special-shaped wave detection device and detection method of shelf depreciation |
-
2018
- 2018-03-23 CN CN201820410347.7U patent/CN207908626U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109839579A (en) * | 2018-12-27 | 2019-06-04 | 国网浙江诸暨市供电有限公司 | Intelligent voltage limiter lightning current impact test apparatus |
| CN110146790A (en) * | 2019-05-06 | 2019-08-20 | 西安工程大学 | A kind of special-shaped wave detection device and detection method of shelf depreciation |
| CN110146790B (en) * | 2019-05-06 | 2021-01-26 | 西安工程大学 | Special-shaped wave detection device and method for partial discharge |
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