CN104569892B - Portable multifunctional partial discharge tester and its working method - Google Patents
Portable multifunctional partial discharge tester and its working method Download PDFInfo
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- CN104569892B CN104569892B CN201510028511.9A CN201510028511A CN104569892B CN 104569892 B CN104569892 B CN 104569892B CN 201510028511 A CN201510028511 A CN 201510028511A CN 104569892 B CN104569892 B CN 104569892B
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Abstract
Portable multifunctional partial discharge tester and its working method are related to a kind of partial discharge tester and its working method.Currently, the field-checking of PD Online IED is ineffective.The present invention includes Partial discharge signal control chip, controls UHF signal generator modules, AE signal generator modules, UHF signal amplitudes control module, AE signal amplitudes control module, display module, keyboard input module, voltage Shaping Module, current shaping module and the power supply module that chip is connected with Partial discharge signal；Partial discharge signal control chip is connected with synchronizing current mutual inductor by current shaping module, current synchronization interface or is connected to calculate frequency with synchronizing voltage sampling unit by voltage Shaping Module, voltage synchronous interface.The technical program realizes volume miniaturization, on-chip power on the basis of realizing the amplitude inspection in the superfrequency channel to live PD Online IED, ultrasonic wave channel, phase bit trial.
Description
Technical field
The present invention relates to a kind of partial discharge tester and its working methods, especially monitor the work of partial discharge on-site calibrator on-line
Make method.
Background technology
Currently, the field-checking of PD Online IED is ineffective.Mainly there are following two modes：One, it is generated with electric discharge rifle
Discharge signal examines the amplitude of partial discharge IED to change, but the rifle that discharges is uncontrollable to electric discharge amplitude and discharge phase, can only be rough
Detection.Two, using the radio frequency source and signal source of profession, but this kind of general signal generator is not to be researched and developed for partial discharge equipment, nothing
Method collection site synchronizing signal is just unable to control discharge phase certainly, and this kind of signal source is bulky, needs AC220V electric
Source, onsite application are inconvenient.
Invention content
The technical problem to be solved in the present invention and the technical assignment of proposition are that prior art is improved and improved,
Portable multifunctional partial discharge tester and its working method are provided, to reach purpose easy to use.For this purpose, the present invention take with
Lower technical solution.
Portable multifunctional partial discharge tester, including Partial discharge signal control chip, control what chip was connected with Partial discharge signal
UHF signal generator modules, AE signal generator modules, UHF signal amplitudes control module, AE signal amplitudes control module, display mould
Block, keyboard input module, voltage Shaping Module, current shaping module and power supply module；Partial discharge signal control chip passes through electric current
Shaping Module, current synchronization interface be connected with synchronizing current mutual inductor or by voltage Shaping Module, voltage synchronous interface with it is same
Voltage sampling unit is walked to be connected to calculate frequency；The Partial discharge signal control chip generates mould by control interface, UHF signals
Block, UHF signal amplitudes control module and UHF signal output interfaces be connected with according to configuration in different phase output difference amplitudes
UHF signals；The Partial discharge signal control chip controls mould by control interface, AE signal generator modules, AE signal amplitudes
Block is connected from AE signal output interfaces with according to the AE signals configured in different phase output difference amplitudes.
As further improving and supplementing to above-mentioned technical proposal, the invention also includes following additional technical features.
The Partial discharge signal control chip is connected by bus interface with microcontroller, and the microcontroller continuous cropping is display
Module connect liquid crystal display and and as keyboard input module keyboard.
The synchronizing signal generation module for generating synchronizing signal is set in the Partial discharge signal control chip and is used for same
Walk the synchronizing signal output module of signal output；Synchronizing signal generation module be used for according to user require selection in synchronous mode or
External synchronization mode sets synchronizing frequency when for interior synchronous mode；When for External synchronization mode, synchronizing signal generation module is real
When detection external voltage or current synchronous signal, calculate its frequency；The synchronizing signal output module is for exporting synchronous letter
Number to live partial discharge IED.
Further include frequency synthesizer module, for generating 300M ~ 3G signals according to user setting, covers entire uhf band.
Further include AE signal emission modules, for generating AE signals according to user configuration.
Portable multifunctional partial discharge tester working method, includes the following steps：
1) user configuration is read, synchronous according to user's choosing configures, and selection is believed using internal synchronization signal or external sync
Number；
2) it if it is interior synchronization, configures synchronous signal frequency or uses default configuration；
3) if it is outer synchronization, synchronizing frequency is obtained by synchronizing current mutual inductor or voltage sampling unit；
4) it is configured according to the signal of user's choosing, generates UHF signals, AE signals or UHF+AE signals；
5) signal amplitude is adjusted, in the different UHF signals of different phase output amplitudes, AE signals or UHF+
AE signals.
Advantageous effect：The technical program is in the width for realizing the superfrequency channel to live PD Online IED, ultrasonic wave channel
Degree is examined, on the basis of phase bit trial, and volume miniaturization, on-chip power are realized.
Description of the drawings
Fig. 1 is partial discharge tester internal module block diagram.
Fig. 2 is partial discharge tester work flow diagram.
Specific implementation mode
Technical scheme of the present invention is described in further detail below in conjunction with Figure of description.
As shown in Figure 1, portable multifunctional partial discharge tester includes：
1, frequency synthesizer module can generate 300M ~ 3G signals according to user setting, cover entire uhf band.
2, AE signal emission modules can generate AE signals according to user configuration.
3, built-in synchronizing signal generation module, according to user design using interior synchronization with it is outer synchronous.Under interior synchronous mode
Synchronizing frequency can set.Under External synchronization mode, synchronizing signal generation module detects external voltage or current synchronous signal in real time, from
It is dynamic to calculate its frequency, transfer to rear class microcontroller to handle.
4, synchronizing signal output module, necessary moment export synchronizing signal to live partial discharge IED.
5, amplitude control module, can be according to UHF the and AE signals configured in different phase output varying strengths.
6, built-in LCD MODULE can show the synchronizing frequency, configuration parameter, output waveform of current tester.
7, built-in keystroke handling module can handle the operation from keyboard, and cooperation LCD MODULE is, it can be achieved that school
Test the parameter configuration of instrument.
8, built-in lithium battery management module, can manage the charge and discharge of lithium battery, realize the mobile working of tester.
Partial discharge signal control chip passes through control interface, UHF signal generator modules, UHF signal amplitudes control module and UHF
Signal output interface is connected with according to the UHF signals configured in different phase output difference amplitudes；Partial discharge signal controls chip
It is connected with according to configuration with AE signal output interfaces by control interface, AE signal generator modules, AE signal amplitudes control module
In the AE signals of different phase output difference amplitudes.Partial discharge signal control chip is connected by bus interface with microcontroller, single
Piece machine continuous cropping be display module connect liquid crystal display and and as keyboard input module keyboard.
As shown in Fig. 2, partial discharge tester workflow is as follows：
1) it is configured according to the synchronous of user's choosing, selection uses internal synchronization signal or outer synchronous signal.
2) it if it is interior synchronization, configures synchronous signal frequency or uses default configuration.
3) if it is outer synchronization, outer synchronizing current mutual inductor or voltage sampling unit are connected.
4) it is configured according to the signal of user's choosing, selection generates UHF signals, AE signals, UHF+AE signals.
5) according to user select signal mode, the different UHF signals of different phase output amplitudes, AE signals or
UHF+AE signals.
Figure 1 above, portable multifunctional partial discharge tester and its working method shown in 2 are the specific implementations of the present invention
Example, has embodied substantive distinguishing features of the present invention and progress, can be under the inspiration of the present invention, right according to actual using needs
It carries out the equivalent modifications of shape, structure etc., the row in the protection domain of this programme.
Claims (5)
1. portable multifunctional partial discharge tester, it is characterised in that：Core is controlled including Partial discharge signal control chip, with Partial discharge signal
The connected UHF signal generator modules of piece, AE signal generator modules, UHF signal amplitudes control module, AE signal amplitudes control mould
Block, display module, keyboard input module, voltage Shaping Module, current shaping module and power supply module, frequency synthesizer module, partial discharge letter
Number control chip be connected with synchronizing current mutual inductor by current synchronization interface or taken with synchronizing voltage by voltage synchronous interface
Sample unit is connected to calculate frequency；The Partial discharge signal control chip is believed by control interface, UHF signal generator modules, UHF
Number amplitude control module is connected from UHF signal output interfaces to be believed with the UHF according to configuration in different phase output difference amplitudes
Number；The Partial discharge signal control chip is believed by control interface, AE signal generator modules, AE signal amplitudes control module and AE
Number output interface be connected with according to configuration different phase output difference amplitudes AE signals；Frequency synthesizer module, can be according to user
Setting generates 300M ~ 3G signals, covers entire uhf band；Tester includes the following steps at work：User configuration is read,
According to the synchronous configuration of user's choosing, selection uses internal synchronization signal or outer synchronous signal；If it is interior synchronization, configuration synchronizes
Signal frequency uses default configuration；If it is outer synchronization, is obtained and synchronized by synchronizing current mutual inductor or voltage sampling unit
Frequency；According to the signal configuration of user's choosing, UHF signals, AE signals or UHF+AE signals are generated；Signal amplitude is adjusted,
In the different UHF signals of different phase output amplitudes, AE signals or UHF+AE signals.
2. portable multifunctional partial discharge tester according to claim 1, it is characterised in that：The Partial discharge signal control
Chip is connected by bus interface with microcontroller, the microcontroller be connected to display module liquid crystal display and as by
The keyboard of key input module.
3. portable multifunctional partial discharge tester according to claim 1, it is characterised in that：The Partial discharge signal control
The synchronizing signal for setting the synchronizing signal generation module for generating synchronizing signal in chip and being exported for synchronizing signal exports mould
Block；Synchronizing signal generation module is used to require synchronous mode or External synchronization mode in selection according to user, when for interior synchronous mode
When, set synchronizing frequency；When for External synchronization mode, synchronizing signal generation module detects external voltage or current synchronization letter in real time
Number, calculate its frequency；The synchronizing signal output module is for exporting synchronizing signal to live partial discharge IED.
4. portable multifunctional partial discharge tester according to claim 1, it is characterised in that：It further include AE signals transmitting mould
Block, for generating AE signals according to user configuration.
5. portable multifunctional partial discharge tester working method, it is characterised in that include the following steps：
User configuration is read, synchronous according to user's choosing configures, and selection uses internal synchronization signal or outer synchronous signal；
If it is interior synchronization, configures synchronous signal frequency or use default configuration；
If it is outer synchronization, synchronizing frequency is obtained by synchronizing current mutual inductor or voltage sampling unit；
According to the signal configuration of user's choosing, UHF signals, AE signals or UHF+AE signals are generated；
Signal amplitude is adjusted, in the different UHF signals of different phase output amplitudes, AE signals or UHF+AE signals.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510028511.9A CN104569892B (en) | 2015-01-21 | 2015-01-21 | Portable multifunctional partial discharge tester and its working method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510028511.9A CN104569892B (en) | 2015-01-21 | 2015-01-21 | Portable multifunctional partial discharge tester and its working method |
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| CN104569892A CN104569892A (en) | 2015-04-29 |
| CN104569892B true CN104569892B (en) | 2018-07-24 |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105510860A (en) * | 2016-01-28 | 2016-04-20 | 云南电网有限责任公司电力科学研究院 | Power frequency synchronization digital embedded partial discharge detector calibration system |
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| CN203759184U (en) * | 2013-11-18 | 2014-08-06 | 国家电网公司 | Ultrahigh frequency local discharge simulation device |
| CN203930037U (en) * | 2014-05-30 | 2014-11-05 | 智友光电技术发展有限公司 | PQN controllable type shelf depreciation analog signal generator |
| CN204347230U (en) * | 2015-01-21 | 2015-05-20 | 杭州柯林电力设备有限公司 | Tester is put in portable multifunctional office |
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| JP2001201531A (en) * | 2000-01-20 | 2001-07-27 | Nissin Electric Co Ltd | Simulation partial discharge signal generator |
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| CN102650685A (en) * | 2012-05-14 | 2012-08-29 | 云南电力试验研究院（集团）有限公司电力研究院 | Method for assessing technical parameters of TEV (Transient Earth Voltage) partial discharge testing instruments for power systems |
| CN103235276A (en) * | 2013-03-28 | 2013-08-07 | 国家电网公司 | Partial discharge signal generator |
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| CN203759184U (en) * | 2013-11-18 | 2014-08-06 | 国家电网公司 | Ultrahigh frequency local discharge simulation device |
| CN203587743U (en) * | 2013-11-19 | 2014-05-07 | 国家电网公司 | Ultrasonic partial discharge simulation device |
| CN103809089A (en) * | 2014-01-25 | 2014-05-21 | 广东电网公司东莞供电局 | Method and device for generating calibration pulse for detecting partial discharge of high voltage equipment |
| CN203720221U (en) * | 2014-01-26 | 2014-07-16 | 广东电网公司东莞供电局 | Calibration pulse generation device for detecting partial discharge of high voltage device |
| CN203930037U (en) * | 2014-05-30 | 2014-11-05 | 智友光电技术发展有限公司 | PQN controllable type shelf depreciation analog signal generator |
| CN204347230U (en) * | 2015-01-21 | 2015-05-20 | 杭州柯林电力设备有限公司 | Tester is put in portable multifunctional office |
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Address after: Hangzhou City, Zhejiang province 310011 Moganshan Road No. 1418-15 Applicant after: Hangzhou Colin electric Limited by Share Ltd Address before: Hangzhou City, Zhejiang province 310011 Moganshan Road No. 1418-15 Applicant before: Hangzhou Kelin Electric Power Equipment Co., Ltd. |
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Address after: 310000 6 storeys, 7 blocks, No. 1418-41, Moganshan Road, Hangzhou City, Zhejiang Province Patentee after: Hangzhou Colin electric Limited by Share Ltd Address before: 310011 No. 1418-15 Moganshan Road, Hangzhou City, Zhejiang Province Patentee before: Hangzhou Colin electric Limited by Share Ltd |