CN109270457A - A kind of device to make moist for detecting synchronous capacitor winding insulation - Google Patents
A kind of device to make moist for detecting synchronous capacitor winding insulation Download PDFInfo
- Publication number
- CN109270457A CN109270457A CN201811288127.2A CN201811288127A CN109270457A CN 109270457 A CN109270457 A CN 109270457A CN 201811288127 A CN201811288127 A CN 201811288127A CN 109270457 A CN109270457 A CN 109270457A
- Authority
- CN
- China
- Prior art keywords
- winding insulation
- processor
- synchronous capacitor
- capacitor winding
- current signal
- 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.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/34—Testing dynamo-electric machines
- G01R31/346—Testing of armature or field windings
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
- G08B21/20—Status alarms responsive to moisture
-
- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Testing Relating To Insulation (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
- Tests Of Circuit Breakers, Generators, And Electric Motors (AREA)
Abstract
The invention discloses the devices for detecting synchronous capacitor winding insulation dampness, including multiple humidity sensors, current amplifier, display, the multiple humidity sensor is separately positioned at the synchronous capacitor winding insulation, for detecting whether the synchronous capacitor winding insulation makes moist, the current amplifier is connected with the multiple humidity sensor, for amplifying each current signal, the display is connected with the current amplifier, for showing amplified each current signal.Synchronous capacitor winding insulation is by the time of tide; electric current is shown on display; phase modifier energy detection winding humidified insulation situation is unloaded without tearing open to synchronize; improve the convenience of detection; by seeing the waveform of electric current over the display, judging the dampness situation of winding insulation according to the waveform of electric current; the problem of solving and cause to shut down blowing out, even host damage after large-size machine takes winding insulation existing for internal water cooling system to make moist, bringing immeasurable economic loss.
Description
Technical field
The present invention relates to motor humidified insulation detection technique fields, in particular to a kind of for detecting synchronous capacitor winding
The device of humidified insulation.
Background technique
With the fast development of the large-scale promotion application and new-energy grid-connected of extra-high voltage direct-current transmission engineering, use
To provide for power grid, dynamic reactive supports novel high-capacity phase modifier, raising power network safety operation is increasingly by defeated both at home and abroad
The attention of electric industry.
Many large-size machines all take internal water cooling system in the prior art, and water-cooled generator winding insulation is generator
The important component of stator, tightness and integrity are the key that guarantee that generator operates normally for a long time, are overhauled quite important.
But the problem of winding insulation makes moist now, is more and more prominent, once there is winding insulation dampness, will cause shutdown blowing out, even
Host damage brings immeasurable economic loss to genco, but the existing winding insulation dampness problem that is directed to is not given
Specific solution out, therefore the device how to make moist designed for detection synchronous capacitor winding insulation becomes this field urgently
Technical problem to be solved.
Summary of the invention
The present invention is exactly in order to solve the above problems existing in the present technology, it is exhausted to provide a kind of detection synchronous capacitor winding
The device of edge dampness is monitored synchronous capacitor winding insulation dampness with realizing;The present invention;The configuration of the present invention is simple, together
Step camera winding insulation will be shown electric current by the time of tide over the display, without tear open synchronize unload phase modifier can detect around
Group humidified insulation situation, greatly improves the convenience of detection, solve large-size machine take internal water cooling system existing around
The problem of shutting down blowing out, even host damage, bringing immeasurable economic loss to genco is caused after group humidified insulation.
The technical solution that the present invention solves technical problem is:
A kind of device to make moist for detecting synchronous capacitor winding insulation, including multiple humidity sensors, Current amplifier
Device, display, the multiple humidity sensor are separately positioned at the synchronous capacitor winding insulation, described same for detecting
Whether step camera winding insulation makes moist, when by the time of tide, then generating current signal;
The current amplifier is connected with the multiple humidity sensor, for amplifying each current signal;
The display is connected with the current amplifier, for showing amplified each current signal.
Described device further includes processor, and the processor is connected with the current amplifier, display respectively, for pair
Amplified each current signal is filtered, and each current signal after filtering processing is sent to display and is carried out
Display.
Described device further includes A/D converter, and the A/D converter is connected with the current amplifier, processor respectively,
For amplified each current signal to be converted into digital signal, so as to which each digital signal after filtering processing is sent out
It send to the display and is shown.4, the apparatus of claim 2, which is characterized in that described device further includes report
Alert device, the alarm is connected with processor, when the processor receives amplified each current signal, the place
It manages device control alarm and generates alarm signal.
Described device further includes wireless communication module, the wireless communication module respectively with the processor, host computer phase
Even, when processor receives amplified each current signal, module pushes processor to host computer by wireless communication
At least one of each current signal after each digital signal, filtering processing after warning message, filtering processing.
Described device further includes 4G communication module, and the 4G communication module is connected with the processor, mobile terminal respectively,
When the processor receives amplified each current signal, processor pushes alarm signal to mobile terminal by 4G communication module
At least one of each current signal after each digital signal or filtering processing after breath, filtering processing.
Described device further includes warning light, and the warning light is connected with the processor, when processor receives
When to amplified each current signal, processor controls warning light flashing alarm.
The humidity sensor is the industrial chlorinations sodium that concentration is greater than 95%.
The current amplifier is J15032 type micro current amplifier.
The A/D converter is comparison A/D converter.
The specific embodiment provided according to the present invention, the invention discloses following technical effects:
1. humidity sensor is separately positioned on since the present invention includes multiple humidity sensors, current amplifier, display
At the synchronous capacitor winding insulation, for detecting whether the synchronous capacitor winding insulation makes moist, when by the time of tide, then producing
Raw current signal, current amplifier are connected with the multiple humidity sensor, for amplifying each current signal, display with it is described
Current amplifier is connected, for showing the amplified current signal, the configuration of the present invention is simple, once synchronous capacitor winding
Humidified insulation will then show electric current over the display, unload phase modifier energy detection winding humidified insulation feelings without tearing open to synchronize
Condition greatly improves the convenience of detection.Furthermore it is also possible to the waveform of electric current be seen over the display, then according to electric current
Waveform judge the dampness situation of winding insulation, solve large-size machine winding insulation existing for internal water cooling system taken to make moist
After cause to shut down blowing out, even host damages, the problem of bringing immeasurable economic loss to genco.
2. being transmitted to oscillograph together in addition, the present invention installs humidity sensor at each winding insulation, pass through comparison
Size of current, it can be determined which dampness is more serious out, detects that winding makes moist, takes appropriate measures, avoid motor
The generation of failure, allows the more efficient safe operation of motor.
3. since the present invention is connected with the processor, mobile terminal respectively by 4G communication module, when the processor
When receiving amplified each current signal, then the processor is pushed away by the 4G communication module to the mobile terminal
At least one of each current signal after each digital signal, filtering processing after sending warning message, filtering processing;Together
The mode of a variety of alarms is arranged in the present invention for the origin of an incident, controls alarm by processor and generates alarm signal, processor control report
Alert signal lamp flashing alarm, by wireless communication module push warning message to the host computer, and pass through 4G communication module
Warning message is pushed to the mobile terminal, operator on duty can know synchronous capacitor winding by the above several ways in real time
Whether insulation makes moist, and provides support for the maintenance and repair in later period.
4. industrial chlorinations sodium of the present invention by sampled concentrations greater than 95% is as humidity sensor, when synchronous capacitor around
When group humidified insulation, the humidity sensor will be integrated with water, be electrolysed out ion at this time, and with the ion phase interaction in air
With current signal is generated, current signal is transmitted to current amplifier by conducting wire and amplifies, first by amplified current signal
It is sent to A/D converter and carries out analog/digital conversion formation digital signal, then send processor for the digital signal of conversion and filter
Wave processing, is finally sent to the digital signal being filtered on display and is shown, can thus be shown over the display
The specific value of electric current is shown, engineer subsequent needs reading numerical values just and can determine that specific damp degree, high sensitivity can detect
To subtle variation of insulating, accurate judgement humidified insulation degree.
It is filtered 5. amplified current signal can also be directly sent to processor by the present invention, filtering processing
The current signal crossed is sent on display and is shown, can thus show the waveform of curent change, work over the display
Journey Shi Houxu need to only infer winding insulation damp degree according to waveform, and make corresponding measure.
Detailed description of the invention
It in order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, below will be to institute in embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the invention
Example, for those of ordinary skill in the art, without any creative labor, can also be according to these attached drawings
Obtain other attached drawings.
Fig. 1 is the structure drawing of device that the embodiment of the present invention is used to detect synchronous capacitor winding insulation dampness.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
As shown in Figure 1, a kind of for detecting the device of synchronous capacitor winding insulation dampness, described device includes:
Multiple humidity sensors 1 are separately positioned at the synchronous capacitor winding insulation, for detecting the same step
Whether camera winding insulation makes moist, when by the time of tide, then generating current signal;
Current amplifier 2 is connected with the multiple humidity sensor 1, for amplifying each current signal;
Display 4 is connected with the current amplifier 2, for showing amplified each current signal.
Humidity sensor 1 of the present invention is the industrial chlorinations sodium that concentration is greater than 95%.
The current amplifier 2 is J15032 type micro current amplifier.
The display 4 is any one in liquid crystal display or oscillograph.
As a kind of real-time mode, device of the present invention further include:
Processor 3, the processor 3 are connected with the current amplifier 2, the display 4 respectively, after to amplification
Each current signal be filtered, and each current signal after filtering processing is sent to the display 4
It is shown.Processor 3 can use microprocessor or microcontroller.
As a kind of real-time mode, device of the present invention further include:
A/D converter 5, the A/D converter 5 are connected with the current amplifier 2, the processor 3 respectively, and being used for will
Amplified each current signal is converted into digital signal, so as to which each digital signal after filtering processing is sent to institute
Display 4 is stated to be shown.A/D converter 5 of the present invention is comparison A/D converter.
As a kind of real-time mode, device of the present invention further include:
Alarm 6, the alarm 6 are connected with the processor 3, when the processor 3 receives amplified each institute
When stating current signal, then the processor 3 controls the alarm 6 and generates alarm signal;Alarm 6 of the present invention is buzzing
Any one in device, loudspeaker.
As a kind of real-time mode, device of the present invention further include:
Wireless communication module 7, the wireless communication module 7 is connected with the processor 3, host computer respectively, when the place
Reason device 3 is when receiving amplified each current signal, then the processor 3 is by the wireless communication module 7 to described
Host computer push warning message, each digital signal after filtering processing, in each current signal after filtering processing extremely
Few one.Wireless communication module 7 of the present invention is infrared wireless data communication module or ZigBee wireless data communication module
Or protenchyma connected network communication module.
As a kind of real-time mode, device of the present invention further include:
4G communication module 8, the 4G communication module 8 is connected with the processor 3, mobile terminal respectively, when the processing
When device 3 receives amplified each current signal, then the processor 3 is by the 4G communication module 8 to the movement
Terminal push warning message, each digital signal after filtering processing, in each current signal after filtering processing at least
One.
As a kind of real-time mode, device of the present invention further include:
Warning light, the warning light are connected with the processor 3, after the processor 3 receives amplification
Each current signal when, the processor 3 controls warning light flashing alarm.
When synchronous capacitor winding insulation is by the time of tide, humidity sensor 1 will be integrated with water the present invention, be electrolysed out ion,
And current signal is generated with the ionic interaction in air, current signal is transmitted to current amplifier 2 by conducting wire and is put
Greatly, amplified current signal is first sent to A/D converter 5 and carries out analog/digital conversion formation digital signal, then by the number of conversion
Word signal is sent to processor 3 and is filtered, and finally the digital signal being filtered is sent on display 4 and is carried out
It has been shown that, can thus show the specific value of electric current, engineer subsequent needs reading numerical values just and can determine that tool on display 4
Body damp degree.Amplified current signal can also be directly sent to processor 3 and is filtered by the present invention, at filtering
The current signal managed is sent on display 4 and is shown, the wave of curent change can be thus shown on display 4
Shape, subsequent of engineer need to infer winding insulation damp degree according to waveform, and make corresponding measure.
When synchronous capacitor winding insulation is by the time of tide, the present invention is also provided with the mode of a variety of alarms, specifically: the place
Reason device 3 controls the alarm 6 and generates alarm signal;The processor 3 controls the warning light flashing alarm;The place
It manages device 3 and warning message is pushed to the host computer by the wireless communication module 7;The processor 3 is communicated by the 4G
Module 8 to the mobile terminal push warning message, operator on duty by the above several ways you can learn that synchronous capacitor around
Whether group insulation makes moist, and provides support for the maintenance and repair in later period.
Industrial chlorinations sodium of the present invention using concentration greater than 95% has the characteristics that sensitivity is very high as humidity sensor 1,
It can detect subtle variation of insulating, accurate judgement humidified insulation degree.
The apparatus structure for detecting synchronous capacitor winding insulation dampness that the present invention is arranged is simple, once synchronous phase modulation
Machine winding insulation dampness, then will show electric current on display 4, tear open to synchronize without engineering staff to scene and unload phase modifier just
Energy detection winding humidified insulation situation, greatly improves the convenience of detection.
In addition, the present invention installs humidity sensor 1 at each winding insulation, it is transmitted to oscillograph together, passes through comparison
Size of current, it can be determined which dampness is more serious out, detects that winding makes moist, takes appropriate measures, avoid motor
The generation of failure, allows the more efficient safe operation of motor.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.
Used herein a specific example illustrates the principle and implementation of the invention, and above embodiments are said
It is bright to be merely used to help understand method and its core concept of the invention;At the same time, for those skilled in the art, foundation
Thought of the invention, there will be changes in the specific implementation manner and application range.In conclusion the content of the present specification is not
It is interpreted as limitation of the present invention.
Claims (10)
1. it is a kind of for detect synchronous capacitor winding insulation dampness device, which is characterized in that including multiple humidity sensors,
Current amplifier, display, the multiple humidity sensor is separately positioned at the synchronous capacitor winding insulation, for examining
Survey whether the synchronous capacitor winding insulation makes moist, when by the time of tide, then generating current signal;
The current amplifier is connected with the multiple humidity sensor, for amplifying each current signal;
The display is connected with the current amplifier, for showing amplified each current signal.
2. according to claim 1 a kind of for detecting the device of synchronous capacitor winding insulation dampness, which is characterized in that
Described device further includes processor, and the processor is connected with the current amplifier, display respectively, for amplified
Each current signal is filtered, and each current signal after filtering processing is sent to display and is shown.
3. according to claim 2 a kind of for detecting the device of synchronous capacitor winding insulation dampness, which is characterized in that
Described device further includes A/D converter, and the A/D converter is connected with the current amplifier, processor respectively, for that will put
Each current signal after big is converted into digital signal, so as to each digital signal after filtering processing is sent to described
Display is shown.
4. according to claim 2 a kind of for detecting the device of synchronous capacitor winding insulation dampness, which is characterized in that
Described device further includes alarm, and the alarm is connected with processor, when the processor receive it is amplified each described
When current signal, the processor control alarm generates alarm signal.
5. according to claim 3 a kind of for detecting the device of synchronous capacitor winding insulation dampness, which is characterized in that
Described device further includes wireless communication module, and the wireless communication module is connected with the processor, host computer respectively, works as processing
When device receives amplified each current signal, processor by wireless communication module to host computer push warning message,
At least one of each current signal after each digital signal, filtering processing after filtering processing.
6. according to claim 3 a kind of for detecting the device of synchronous capacitor winding insulation dampness, which is characterized in that
Described device further includes 4G communication module, and the 4G communication module is connected with the processor, mobile terminal respectively, the processing
When device receives amplified each current signal, processor pushes warning message, filtering to mobile terminal by 4G communication module
At least one of each current signal after each digital signal that treated or filtering processing.
7. according to claim 2 a kind of for detecting the device of synchronous capacitor winding insulation dampness, which is characterized in that
Described device further includes warning light, and the warning light is connected with the processor, after processor receives amplification
Each current signal when, processor control warning light flashing alarm.
8. according to claim 1 a kind of for detecting the device of synchronous capacitor winding insulation dampness, which is characterized in that
The humidity sensor is the industrial chlorinations sodium that concentration is greater than 95%.
9. according to claim 1 a kind of for detecting the device of synchronous capacitor winding insulation dampness, which is characterized in that
The current amplifier is J15032 type micro current amplifier.
10. according to claim 3 a kind of for detecting the device of synchronous capacitor winding insulation dampness, feature exists
In the A/D converter is comparison A/D converter.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201811288127.2A CN109270457A (en) | 2018-10-31 | 2018-10-31 | A kind of device to make moist for detecting synchronous capacitor winding insulation |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201811288127.2A CN109270457A (en) | 2018-10-31 | 2018-10-31 | A kind of device to make moist for detecting synchronous capacitor winding insulation |
Publications (1)
Publication Number | Publication Date |
---|---|
CN109270457A true CN109270457A (en) | 2019-01-25 |
Family
ID=65191351
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201811288127.2A Pending CN109270457A (en) | 2018-10-31 | 2018-10-31 | A kind of device to make moist for detecting synchronous capacitor winding insulation |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN109270457A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110749810A (en) * | 2019-12-05 | 2020-02-04 | 国网山东省电力公司电力科学研究院 | Insulation fault prediction method and system for phase modulator |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1243949A (en) * | 1999-01-29 | 2000-02-09 | 康达(成都)电子有限公司 | Humidity meter |
CN102538877A (en) * | 2012-01-17 | 2012-07-04 | 电子科技大学 | Greenhouse environment monitoring system and communicating method thereof |
CN104731135A (en) * | 2015-02-04 | 2015-06-24 | 郑州职业技术学院 | Control device and method for family farm |
CN104810997A (en) * | 2015-04-15 | 2015-07-29 | 新疆金风科技股份有限公司 | Permanent magnet direct-drive wind-powered generator system and sealing coordinating drying control method thereof |
CN205721410U (en) * | 2016-06-17 | 2016-11-23 | 大唐(通辽)霍林河新能源有限公司 | A kind of wind energy turbine set box type transformer drives tidal system system |
CN206610703U (en) * | 2017-03-09 | 2017-11-03 | 红河红变电气有限公司 | A kind of dry-type transformer of energy automatic temperature-control humidity |
-
2018
- 2018-10-31 CN CN201811288127.2A patent/CN109270457A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1243949A (en) * | 1999-01-29 | 2000-02-09 | 康达(成都)电子有限公司 | Humidity meter |
CN102538877A (en) * | 2012-01-17 | 2012-07-04 | 电子科技大学 | Greenhouse environment monitoring system and communicating method thereof |
CN104731135A (en) * | 2015-02-04 | 2015-06-24 | 郑州职业技术学院 | Control device and method for family farm |
CN104810997A (en) * | 2015-04-15 | 2015-07-29 | 新疆金风科技股份有限公司 | Permanent magnet direct-drive wind-powered generator system and sealing coordinating drying control method thereof |
CN205721410U (en) * | 2016-06-17 | 2016-11-23 | 大唐(通辽)霍林河新能源有限公司 | A kind of wind energy turbine set box type transformer drives tidal system system |
CN206610703U (en) * | 2017-03-09 | 2017-11-03 | 红河红变电气有限公司 | A kind of dry-type transformer of energy automatic temperature-control humidity |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110749810A (en) * | 2019-12-05 | 2020-02-04 | 国网山东省电力公司电力科学研究院 | Insulation fault prediction method and system for phase modulator |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN204166106U (en) | Threephase asynchronous machine malfunction monitoring and warning system | |
CN101825684A (en) | Intelligent vacuum circuit breaker online monitoring method | |
CN104297687A (en) | Failure monitoring and alarm system for three-phase asynchronous motor | |
CN210129012U (en) | Switch cabinet partial discharge monitoring and early warning device based on gas monitoring | |
CN106841883A (en) | Reactor method for monitoring operation states in high-voltage power capacitor complexes | |
CN105116300A (en) | Downhole cable insulation online monitoring system | |
CN106771927B (en) | GIS voltage withstand fault positioning method, fault cause judging method using same and positioning device | |
CN106443371A (en) | Novel cable insulation online detection apparatus | |
CN109270457A (en) | A kind of device to make moist for detecting synchronous capacitor winding insulation | |
CN106352916A (en) | Switch cabinet temperature online detection device | |
CN203909966U (en) | All-in-one temperature-detecting intelligent alarm | |
CN207965069U (en) | A kind of power relay protection device | |
CN203929951U (en) | Intelligent alarm is surveyed in integral type electric leakage | |
CN105445594A (en) | Power grid fault detection system | |
CN202441544U (en) | Wind driven generator having insulation detection function | |
CN203929952U (en) | Intelligent alarm is surveyed in multichannel dilatation electric leakage | |
KR20180085489A (en) | A Smart Cabinet Panel System | |
CN207976981U (en) | Fire alarm installation and system | |
CN103123378B (en) | Electric fault spark method of real-time and device | |
CN206421006U (en) | Wind turbines monitoring system | |
CN204575769U (en) | Secondary current loop of transforming plant state on_line monitoring system | |
CN204179643U (en) | A kind of three-phase variable frequency motor phase-lacking protective device with self-checking function | |
CN109959810A (en) | A kind of anti-electricity-theft electric power gauge | |
CN204290272U (en) | A kind of LED video curtain wall monitoring device | |
CN211627722U (en) | Electromechanical device fault locating device |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190125 |
|
RJ01 | Rejection of invention patent application after publication |