CN207133385U - A kind of GIS Partial discharge signals source system for the verification of superfrequency monitoring system - Google Patents
A kind of GIS Partial discharge signals source system for the verification of superfrequency monitoring system Download PDFInfo
- Publication number
- CN207133385U CN207133385U CN201720727920.2U CN201720727920U CN207133385U CN 207133385 U CN207133385 U CN 207133385U CN 201720727920 U CN201720727920 U CN 201720727920U CN 207133385 U CN207133385 U CN 207133385U
- Authority
- CN
- China
- Prior art keywords
- partial discharge
- superfrequency
- signal source
- module
- source 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.)
- Active
Links
Landscapes
- Testing Relating To Insulation (AREA)
Abstract
It the utility model is related to air insulating device shelf depreciation defect superfrequency on-line monitoring technique, it is particularly used for the GIS Partial discharge signals source system of superfrequency monitoring system verification, including computer, Partial discharge signal source device and superfrequency transmitting antenna, Partial discharge signal source device includes master cpu, multiple impulse ejection module, MUX and memory modules and display module；Master cpu is connected with multiple impulse ejection module, memory module and display modules respectively；Computer is communicated to connect with Partial discharge signal source device, and Partial discharge signal source device is connected with superfrequency transmitting antenna.This system overcomes the Partial discharge signal source based on pulse source due to capacitor charge and discharge time restriction and can not continuous high frequency rate output pulse signal the problem of, the adjustable range of discharge time can be greatly increased, being capable of more truly UHF signals caused by the true shelf depreciation of Simulated GlS, the performance requirement of pulse signals emitter is also reduced simultaneously, it is shown that huge application prospect.
Description
Technical field
The utility model belongs to air insulating device shelf depreciation defect superfrequency（300M-3GHz）On-line monitoring technique is led
Domain, more particularly to a kind of GIS Partial discharge signals source system for the verification of superfrequency monitoring system.
Background technology
Detection means of the superfrequency method as a kind of reliability height, high sensitivity and strong antijamming capability, in gas-insulated
Apparatus local discharge defect inspection field obtains a wide range of applications.At present, national grid and more household electrical appliances of south electric network subordinate
Power company is equipped with superfrequency partial discharge monitoring system, but most superfrequency monitorings are had been found that during long-term use
System, which exists, does not alarm phenomenon, it is therefore desirable to is capable of the signal source of real simulation GIS partial discharge defect to the spy that has assembled
High frequency monitoring system is verified.
The cooperation of pulse signal source and transmitting antenna can realize the simulation of air insulating device local discharge signal, but
It is that because pulse signal source is transmitting that pulse signal is realized by the discharge and recharge of electric capacity in itself, and electric capacity is in the short time（It is micro-
Second level）It is inside to be difficult to realize continuous charge and discharge process, and according to the time domain of ultrahigh-frequency signal under GIS typical case's shelf depreciation defect
Feature understands that discharge time difference is very big corresponding to different degrees of out of phase, but most adjacent partial discharge pulse's signals
Between time interval be that can arrive nanosecond（1 microsecond was equal to for 1000 nanoseconds）, so passing through pulse source and transmitting antenna
Cooperation can not real simulation GIS partial discharge signal source, equally, by this method to existing a large amount of superfrequencies monitoring systems
Uniting, the method being corrected is not rigorous enough, and check results are also incredible.
Utility model content
The purpose of this utility model is to provide one kind being capable of continuous high frequency output pulse signal and real simulation gas-insulated
The signal source system of apparatus local discharge defect.
To achieve the above object, the technical solution adopted in the utility model is：One kind is used for superfrequency monitoring system and verified
GIS Partial discharge signals source system, including computer, Partial discharge signal source device and superfrequency transmitting antenna, Partial discharge signal source device
Including master cpu, multiple impulse ejection module, MUX and memory modules and display module；Master cpu respectively with it is more
Individual impulse ejection module, memory module connect with display module；Computer communicates to connect with Partial discharge signal source device, Partial discharge signal
Source device is connected with superfrequency transmitting antenna.
In the above-mentioned GIS Partial discharge signals source system for being used for the verification of superfrequency monitoring system, computer by serial ports or
Person's network interface is communicated with master cpu, and superfrequency transmitting antenna is connected with MUX.
It is used in above-mentioned in the GIS Partial discharge signals source system of superfrequency monitoring system verification, master cpu is also associated with together
Module is walked, synchronization module is used to export synchronizing signal.
The beneficial effects of the utility model are：Can continuous high frequency output pulse signal in a short time, expand on a large scale
The adjustable range of big discharge time, more truly Simulated GlS Partial discharge signal, while also reduce the property to impulse ejection module
It can require.
Brief description of the drawings
Fig. 1 is the schematic block circuit diagram of the utility model one embodiment；
Fig. 2 is the workflow diagram of the utility model one embodiment.
Embodiment
Embodiment of the present utility model is described in detail below in conjunction with the accompanying drawings.
The example of the embodiment is shown in the drawings, wherein same or similar label represents identical or class from beginning to end
As element or with same or like function element.The embodiments described below with reference to the accompanying drawings are exemplary, only
For explaining the utility model, and can not be construed to limitation of the present utility model.
Following disclosure provides many different embodiments or example is used for realizing different structure of the present utility model.For
Simplify disclosure of the present utility model, hereinafter the part and setting of specific examples are described.They are only example, and
And purpose does not lie in limitation the utility model.In addition, the utility model can in different examples repeat reference numerals and/or word
It is female.This repetition is for purposes of simplicity and clarity, between itself not indicating discussed various embodiments and/or setting
Relation.In addition, the utility model provides the example of various specific techniques and material, but those of ordinary skill in the art can
To recognize the use of the applicability of other techniques and/or other materials.In addition, fisrt feature described below is special second
Levy it " on " structure can include the first and second features and be formed as the embodiment that directly contacts, other spy can also be included
The embodiment that sign is formed between the first and second features, such first and second feature may not be direct contact.
, it is necessary to which explanation, unless otherwise prescribed and is limited, term " connected " " connection " should in description of the present utility model
It is interpreted broadly, for example, it may be mechanical connection or electrical connection or the connection of two element internals, can be direct
It is connected, can also be indirectly connected by intermediary, can be according to specific feelings for those of ordinary skill in the related art
Condition understands the concrete meaning of above-mentioned term.
Embodiment of the present utility model is achieved through the following technical solutions, and one kind is used for superfrequency monitoring system school
The GIS Partial discharge signals source system tested, including computer, Partial discharge signal source device and superfrequency transmitting antenna, Partial discharge signal source dress
Put including master cpu, multiple impulse ejection module, MUX and memory modules and display module；Master cpu respectively with
Multiple impulse ejection modules, memory module connect with display module；Computer communicates to connect with Partial discharge signal source device, partial discharge letter
Number source device is connected with superfrequency transmitting antenna.
Further, computer is communicated by serial ports or network interface with master cpu, and superfrequency transmitting antenna selects with multichannel
Select device connection.
Further, master cpu is also associated with synchronization module, and synchronization module is used to export synchronizing signal.
A kind of when it is implemented, as shown in figure 1, GIS Partial discharge signals source system bag for the verification of superfrequency monitoring system
Include three parts, computer, Partial discharge signal source device and extra-high hair radio-frequency antenna.Computer, Partial discharge signal source device and extra-high
Hair radio-frequency antenna is separated from each other, and computer and Partial discharge signal source device are communicated by serial ports or network interface, pass through meter
Calculation machine can monitor the PRPD figures of the local discharge signal of Partial discharge signal source device output in real time（PRPD figures are high-voltage isulation monitoring
The proper noun in field）.In Partial discharge signal source device comprising master cpu, multiple impulse ejection modules, a MUX with
And memory module, display module and synchronization module.
As shown in Fig. 2 the GIS Partial discharge signals source system for the verification of superfrequency monitoring system is when in use, GIS partial discharges letter
The filthy four kinds of insulation defects of needle plate, air gap, particulate and metal are prestored in the memory module of number source system in an ac cycle
Interior local discharge signal envelope diagram, and computer can store new part into memory module by serial ports or network interface and put
Envelope diagram corresponding to electric type or the envelope diagram for deleting existing shelf depreciation type, and the new office for adding or deleting
Portion's electric discharge type information can embody in display module.According to the difference of the GIS partial discharge type of selected output, master control
Shelf depreciation envelope signal corresponding to CPU from memory module acquisition simultaneously obtains the charging complete shape of all impulse ejection modules simultaneously
State, and according to charging interval length, the intact impulse ejection module of performance is therefrom selected out, and sequence is numbered, and it is all
Numbering differ, then master cpu to impulse ejection module and shelf depreciation envelope signal in shelf depreciation envelope signal pair
Constant duration division should be carried out in period, and time interval is more than or equal to the maximum discharge and recharge time of impulse ejection module,
If all impulse ejection modules have been involved in constant duration division, and the maximum time that envelope signal corresponds to the period does not have still
Arrive, then the constant duration division of a new round carried out to impulse ejection module, when reaching shelf depreciation envelope signal to corresponding to
Between section maximum time value, if also the larger impulse ejection module of numbering of part has neither part nor lot in time division, and shelf depreciation
The maximum that envelope signal corresponds to the period has arrived, then stops dividing the constant duration of impulse ejection module, do not join
It is no longer participate in dividing with the pulse signal emitter of constant duration division.Then master cpu extraction shelf depreciation envelope letter
Number new envelope signal is formed in each interval time point respective value, last master cpu exports selected shelf depreciation class simultaneously
The coded address of impulse ejection module is more to MUX corresponding to new envelope signal corresponding to type and envelope signal time point
Road selector connects the output channel of impulse ejection module corresponding to coded address, connects the impulse ejection module output arteries and veins of passage
Signal is rushed, and the new envelope signal from master cpu output then intercepts to the pulse signal, is put so as to export with corresponding topical
Local discharge signal corresponding to electric type to superfrequency transmitting antenna, meanwhile, synchronization module output pulse signal notifies user
GIS partial discharge signal source system has begun to export local discharge signal.
Moreover, computer can show the PRPD figures of the local discharge signal transmitting of the system output, while also can be from meter
The shelf depreciation type to be launched is selected by user on calculation machine, and shelf depreciation type can be transmitted by serial ports or network interface
To master cpu.
Moreover, display module can show the local discharge signal of the present embodiment GIS partial discharge signal source system output
The PRPD figures of transmitting, while also the shelf depreciation type to be launched can be selected by user from display module, and partial discharge is discharged
Type transfers are to master cpu.
Moreover, the office of computer and the equal real-time display the present embodiment GIS partial discharge signal source system output of display module
The PRPD figures of portion's discharge signal；Computer and display module can select the system shelf depreciation type to be exported, and will
Shelf depreciation type transfers give master cpu module.
Moreover, shelf depreciation envelope signal is the envelope information in 0-360 ° of ac cycle, with the shape of one-dimension array
Formula stores.
Moreover, shelf depreciation envelope signal is stored in a storage module in the form of one-dimension array corresponding to insulation defect.
Moreover, can there is no synchronization module in the system of the present embodiment GIS Partial discharge signals source, in the feelings that synchronization module is not present
Under condition, the fuction output synchronizing signal of synchronization module is completed by master cpu.
Moreover, impulse ejection module after itself internal capacitance charging complete is detected, just sends to master cpu and charged
The status signal of completion and corresponding discharge and recharge time.
Moreover, master cpu according to electric capacity whether in the stipulated time（The time can be changed by user）It is interior to complete charging
Process be standard judge impulse ejection module whether can normal work, impulse ejection module that can be on time fully charged judges
It is intact for performance；The intact impulse ejection module of performance is carried out number consecutively by master cpu, and according to number value from small to large according to
Minor sort；Geocoding is carried out to each impulse ejection module for participating in numbering.
Moreover, master cpu is handed over numbered impulse ejection module according to order from small to large at 0-360 ° one
Flow the signal period in carry out constant duration division, and time interval be more than or equal to impulse ejection module maximum discharge and recharge when
Between, if all impulse ejection modules have both participated in constant duration division, maximum that envelope signal corresponds to the period does not have also
Arrive, then the division of a new round is carried out according to identical time-sharing scheme, until envelope signal corresponds to the maximum of period
Untill arrival, if the larger pulse pulse transmitter module of numbering of part also has neither part nor lot in the division of constant duration, and envelope is believed
The maximum of number corresponding period has arrived, then constant duration division stops, and has neither part nor lot in the pulse of constant duration division
Transmitter module is no longer participate in dividing.
Moreover, the impulse ejection module for participating in constant duration division may all have multiple corresponding time points, but its
There was only one in coded address.
It should be appreciated that the part that this specification does not elaborate belongs to prior art.
Although describe specific embodiment of the present utility model, those of ordinary skill in the art above in association with accompanying drawing
It should be appreciated that these are merely illustrative of, various deformation or modification can be made to these embodiments, without departing from this practicality
New principle and essence.The scope of the utility model is only limited by the claims that follow.
Claims (2)
1. for the GIS Partial discharge signals source system of superfrequency monitoring system verification, including computer, Partial discharge signal source device and spy
High-frequency emission antenna, it is characterised in that Partial discharge signal source device includes master cpu, multiple impulse ejection modules, MUX
And memory module and display module；Master cpu is connected with multiple impulse ejection module, memory module and display modules respectively；
Computer is communicated to connect with Partial discharge signal source device, and Partial discharge signal source device is connected with superfrequency transmitting antenna；Computer passes through
Serial ports or network interface are communicated with master cpu, and superfrequency transmitting antenna is connected with MUX.
2. the GIS Partial discharge signals source system for the verification of superfrequency monitoring system as claimed in claim 1, it is characterised in that
Master cpu is also associated with synchronization module, and synchronization module is used to export synchronizing signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720727920.2U CN207133385U (en) | 2017-06-21 | 2017-06-21 | A kind of GIS Partial discharge signals source system for the verification of superfrequency monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720727920.2U CN207133385U (en) | 2017-06-21 | 2017-06-21 | A kind of GIS Partial discharge signals source system for the verification of superfrequency monitoring system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207133385U true CN207133385U (en) | 2018-03-23 |
Family
ID=61631888
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720727920.2U Active CN207133385U (en) | 2017-06-21 | 2017-06-21 | A kind of GIS Partial discharge signals source system for the verification of superfrequency monitoring system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207133385U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107192929A (en) * | 2017-06-21 | 2017-09-22 | 贵州电网有限责任公司电力科学研究院 | The GIS Partial discharge signals source system and application method verified for superfrequency monitoring system |
| CN111208467A (en) * | 2020-02-19 | 2020-05-29 | 鑫鸿瑞科技(深圳)有限公司 | Remote control type partial discharge signal source and method for simulating partial discharge |
| CN111596246A (en) * | 2019-02-20 | 2020-08-28 | 国网冀北电力有限公司 | Same-frequency same-phase calibration device and calibration method thereof |
-
2017
- 2017-06-21 CN CN201720727920.2U patent/CN207133385U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107192929A (en) * | 2017-06-21 | 2017-09-22 | 贵州电网有限责任公司电力科学研究院 | The GIS Partial discharge signals source system and application method verified for superfrequency monitoring system |
| CN107192929B (en) * | 2017-06-21 | 2023-11-03 | 贵州电网有限责任公司电力科学研究院 | GIS partial discharge signal source system for checking ultrahigh frequency monitoring system and use method |
| CN111596246A (en) * | 2019-02-20 | 2020-08-28 | 国网冀北电力有限公司 | Same-frequency same-phase calibration device and calibration method thereof |
| CN111208467A (en) * | 2020-02-19 | 2020-05-29 | 鑫鸿瑞科技(深圳)有限公司 | Remote control type partial discharge signal source and method for simulating partial discharge |
| CN111208467B (en) * | 2020-02-19 | 2022-04-19 | 鑫鸿瑞科技(深圳)有限公司 | Remote control type partial discharge signal source and method for simulating partial discharge |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107192929A (en) | The GIS Partial discharge signals source system and application method verified for superfrequency monitoring system | |
| CN207133385U (en) | A kind of GIS Partial discharge signals source system for the verification of superfrequency monitoring system | |
| CN105807190B (en) | A kind of GIS partial discharge SHF band electric detection method | |
| CN105277907B (en) | A kind of site assessment system of partial discharge sensor | |
| CN104330599B (en) | Partial-discharge ultrahigh-frequency signal simulation source | |
| CN103901388B (en) | Parallel detection termination and detection method | |
| CN104849685A (en) | Partial discharge detector performance evaluation method | |
| CN106771932A (en) | A kind of method of GIS partial discharge signal source and simulation shelf depreciation | |
| Zhu et al. | Fault location scheme for a multi-terminal transmission line based on current traveling waves | |
| CN207066691U (en) | One kind quantitatively detects SF based on ultrasonic wave6The on-Line Monitor Device of gas leakage | |
| CN203643596U (en) | Multi-meter-position three-phase electric energy meter detection system | |
| CN108362995A (en) | A kind of application method of the FPGA of innovation | |
| CN108490325A (en) | A kind of two-part transformer station partial discharge signals localization method and system | |
| CN204188674U (en) | A kind of local discharge superhigh frequency signal imitation source | |
| CN207717914U (en) | A kind of breakpoint of cable position detecting system based on low voltage pulse reflection method | |
| CN203870199U (en) | GIS lossless monitoring apparatus based on full-life management | |
| CN203376466U (en) | A detection and verification system of a power transformer partial discharge ultrasonic sensor | |
| CN206649111U (en) | A kind of GIS partial discharge signal source | |
| CN103439676B (en) | A kind of method that UHF sensor sensitivity detects | |
| CN103018642A (en) | Detection method of Geographic Information System (GIS) local discharging ultrahigh-frequency online monitoring device | |
| CN103344854A (en) | Automatic test system and method for logical function device | |
| CN106776164A (en) | A kind of intelligent substation monitoring backstage host CPU engaged test method | |
| CN107728034B (en) | New Type Power Devices auto-control electrostatic protection test macro and method | |
| CN110019323A (en) | A kind of check method of electrical cabinet component cable | |
| CN209590128U (en) | The bionical circuit of neuron and signal frequency detection system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |