CN109149613A - A kind of extra-high voltage direct-current transmission converter valve and its monitoring system - Google Patents
A kind of extra-high voltage direct-current transmission converter valve and its monitoring system Download PDFInfo
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- CN109149613A CN109149613A CN201710510543.1A CN201710510543A CN109149613A CN 109149613 A CN109149613 A CN 109149613A CN 201710510543 A CN201710510543 A CN 201710510543A CN 109149613 A CN109149613 A CN 109149613A
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- converter valve
- valve
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 117
- 230000005540 biological transmission Effects 0.000 title claims abstract description 30
- 238000001931 thermography Methods 0.000 claims abstract description 18
- 238000009434 installation Methods 0.000 claims description 5
- 238000003384 imaging method Methods 0.000 claims 1
- 230000002159 abnormal effect Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 238000012806 monitoring device Methods 0.000 description 3
- 239000013307 optical fiber Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 238000013499 data model Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 241001269238 Data Species 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000013473 artificial intelligence Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000003708 edge detection Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000010191 image analysis Methods 0.000 description 1
- 238000003707 image sharpening Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 231100000817 safety factor Toxicity 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/36—Arrangements for transfer of electric power between ac networks via a high-tension dc link
-
- 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
-
- H02J13/0096—
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/60—Arrangements for transfer of electric power between AC networks or generators via a high voltage DC link [HVCD]
Abstract
The present invention relates to a kind of extra-high voltage direct-current transmission converter valve and its monitoring system, monitoring system therein includes the sub- equipment of monitoring that setting position is installed in each valve layer of converter valve valve tower, monitors sub- equipment including at least thermal imaging camera.The present invention is by the way that each sub- equipment of monitoring to be arranged in the correspondence valve layer of converter valve valve tower, reduce the distance between the sub- equipment of monitoring and valve tower, each sub- equipment of monitoring is by being monitored the operative state in respective corresponding one layer of converter valve valve tower, realize the monitoring reliability and automatization level that monitoring system is effectively increased to the on-line monitoring inside converter valve valve tower.
Description
Technical field
The present invention relates to a kind of extra-high voltage direct-current transmission converter valve and its monitoring systems, belong to power electronics field.
Background technique
Since National energy distribution is serious unbalanced with electric load distribution, extra-high voltage direct-current transmission, which has, to be suitble at a distance
It transmits electricity, the advantages that small, achievable Asynchronous Interconnection is lost, extra-high voltage direct-current transmission is developed rapidly in China, constitutes me
The important component of state's power grid main grid structure.Converter valve is one of core equipment of extra-high voltage direct-current transmission, and effect is to rectify
It stands convert alternating current at direct current, in Inverter Station DC power conversion at alternating current.Converter valve equipment once breaks down, no
It will result only in the stoppage in transit of DC transmission engineering, may result in the fire safety evaluating accident of converter valve or valve hall under serious conditions.
In order to improve converter valve equipment operation stability and reliability, there are two types of present monitoring means: one is the changes of current
Operation maintenance personnel of standing periodically integrally surveys converter valve valve tower using handheld infrared camera by the tour corridor at the top of valve hall
Temperature is maked an inspection tour；Another kind is that valve hall side walls installation monitoring camera carries out video surveillance, valve hall inner valve in two kinds of monitoring means
Tower 1, tour corridor 2 and monitoring 3 relative position schematic diagram of camera are as shown in Figure 1.As shown in Figure 1, due to being limited to converter valve
The safety factors such as the voltage environment of 500kV are up to about, monitoring device can only view valve tower far from valve tower in both measures
The a small amount of component of peripheral edge, can not view the operating status of a large amount of components inside valve tower, and monitoring reliability is poor.
Summary of the invention
The object of the present invention is to provide a kind of extra-high voltage direct-current transmission converter valve and its monitoring systems, for solving converter valve
The existing peripheral monitoring device of valve tower is unable to monitor this technical problem of the operating status of converter valve valve tower internal components.
In order to solve the above technical problems, the present invention provides a kind of monitoring system of extra-high voltage direct-current transmission converter valve, packet
The sub- equipment of monitoring that setting position is installed in each valve layer of converter valve valve tower is included, the sub- equipment of monitoring includes at least thermal imaging
Camera.
Further, which further includes monitoring host, and the sub- equipment of monitoring communicates to connect the monitoring host.
Further, the thermal imaging camera is infrared thermal imaging camera.
Further, the sub- equipment of monitoring further includes visible image capturing head.
Further, which further includes the power supply device of each sub- equipment of monitoring of connection.
Further, the power supply device is using each sub- equipment of monitoring of optical-fibre channel connection.
The present invention also provides a kind of extra-high voltage direct-current transmission converter valve, including converter valve valve tower and monitoring system, the prisons
Examining system includes the sub- equipment of monitoring that setting position is installed in each valve layer of converter valve valve tower, and the sub- equipment of monitoring is at least wrapped
Include thermal imaging camera.
Further, which further includes monitoring host, and the sub- equipment of monitoring communicates to connect the monitoring host.
Further, the thermal imaging camera is infrared thermal imaging camera.
Further, the sub- equipment of monitoring further includes visible image capturing head.
Further, which further includes the power supply device of each sub- equipment of monitoring of connection.
Further, the power supply device is using each sub- equipment of monitoring of optical-fibre channel connection.
The beneficial effects of the present invention are:
By the way that each sub- equipment of monitoring to be arranged in the correspondence valve layer of converter valve valve tower, the sub- equipment of monitoring and valve are reduced
The distance between tower, each sub- equipment of monitoring is by supervising the operative state in respective respective layer converter valve valve tower
It surveys, realizes the monitoring reliability for effectively increasing monitoring system to the on-line real time monitoring inside converter valve valve tower and automatic
Change horizontal.
Also, since converter valve is in high voltage and serious electromagnetic interference environment, and cannot after the sub- equipment of installation monitoring
The factors such as the electrical characteristic of valve tower are influenced, each sub- equipment design requirement of monitoring meets the conditions such as simple and compact and low-power consumption, no
Have an image-capable, the image data monitored is sent to monitoring host by each sub- equipment of monitoring, by monitoring host into
Row is uniformly processed, and effectively reduces the energy consumption of each sub- equipment of monitoring, enormously simplifies the hardware design for monitoring sub- equipment.
Detailed description of the invention
Fig. 1 is the schematic diagram of monitoring device relative position in valve hall in existing monitoring measure；
Fig. 2 is the structure chart of the monitoring system of extra-high voltage direct-current transmission converter valve of the present invention；
Fig. 3 is the flow chart that the faults of monitoring system of extra-high voltage direct-current transmission converter valve of the present invention diagnoses.
Specific embodiment
With reference to the accompanying drawing and specific embodiment detailed description of the preferred embodiments.
The embodiment of the monitoring system of extra-high voltage direct-current transmission converter valve:
As shown in Fig. 2, the monitoring system of extra-high voltage direct-current transmission converter valve includes monitoring host and in converter valve valve tower
Each valve layer on setting position installation the sub- equipment of monitoring, the sub- equipment of each monitoring connect with main-machine communication is monitored.
Wherein, monitoring sub- equipment includes two kinds of cameras of thermal imaging and visible light, two kinds of camera shootings in the sub- equipment of the monitoring
Head carries out panorama to lower layer's valve tower with shorter time interval timing and takes pictures.In the present embodiment, thermal imaging camera is infrared
Thermal imaging camera.
Since converter valve is in high voltage and serious electromagnetic interference environment, and cannot be influenced after the sub- equipment of the monitoring is installed
The factors such as the electrical characteristic of valve tower, the design requirement of the sub- equipment of the monitoring meet the conditions such as simple and compact and low-power consumption, do not have
Image-capable, completion carry out image data at united analysis by being sent to monitoring host equipment in fiber optic communication after taking pictures
Reason.
In addition, further including the power supply device of each sub- equipment of monitoring of energy supply connection in monitoring system, changed in order to avoid coming from
The high-voltage electrical apparatus interference of valve is flowed, which provides energy to sub- equipment is monitored by optical-fibre channel.
Monitoring host, which is received, monitors the infrared thermal imaging data and visible images number that sub- equipment sends over by each
According to, and two kinds of data are handled, and then judge whether each layer converter valve valve tower occurs temperature fault and structure failure,
If temperature anomaly failure or textural anomaly failure occur for converter valve valve tower, corresponding warning information is issued.Monitoring host may be used also
To control to adjust the frequency of the sub- equipment acquisition visible images data of each monitoring and acquire the frequency of infrared temperature data.
In addition, being stored with the valve tower figure under normal operating condition and various failure operation status conditions in monitoring host equipment
As data model, the excess temperature threshold of accurate location, major electrical components in the image data model comprising valve tower components' placement
The detailed datas such as value, main element Ageing Model.
The specific workflow of the monitoring system of above-mentioned extra-high voltage direct-current transmission converter valve as shown in figure 3, specifically include with
Lower step:
(1) infrared thermal imaging camera of each sub- equipment of monitoring carries out temperature to this layer of converter valve valve tower according to first frequency
Degree carries out picture number to this layer of converter valve valve tower according to second frequency according to acquisition, the visible image capturing head of each sub- equipment of monitoring
Monitoring host is sent to according to acquisition, and by collected temperature data and image data.
Wherein, in normal course of operation, first frequency is higher than second frequency.It is, monitoring infrared in sub- equipment
Camera is with higher frequency collection valve tower temperature data, to diagnose with the presence or absence of abnormal excess temperature in valve tower, for main monitoring
Measure；Visible image capturing head is with lower frequency collection valve tower image data, to monitor the knot in valve tower During Process of Long-term Operation
Structure is abnormal.
(2) monitoring host receives the infrared thermal imaging temperature data that each sub- equipment of monitoring sends over, and according to the temperature
Degree is it is judged that whether every layer of converter valve valve tower occurs temperature fault；If temperature fault occurs, monitoring host control, which increases, to be corresponded to
Monitor the frequency that sub- equipment carries out image data acquiring.
Specifically, monitoring host equipment is receiving after the infrared thermal imaging data for monitoring sub- equipment acquisition, to figure
It is calculated as data are filtered with temperature transition, by comparing the components' placement position in the valve tower iconic model saved,
The temperature value of major electrical components is parsed, diagnosis is then compared with preset overtemperature alarm data whether there is tender feeling
Condition.If it is determined that there is abnormal excess temperature, then temperature anomaly pre-warning signal is issued to operation maintenance personnel in time, while controlling the sub- equipment of monitoring
Visible images frequency acquisition is improved, the current real-time status of valve tower is remotely checked for operation maintenance personnel, accurately to formulate processing meaning
See.
(3) monitoring host receives the visible images data that each sub- equipment of monitoring sends over, and according to the picture number
It is judged that every layer of converter valve valve tower whether recurring structure abnormal failure；If generating mechanism abnormal failure, textural anomaly early warning is issued
Signal.
Specifically, monitoring host equipment is receiving after the visible images data for monitoring sub- equipment acquisition, to figure
After carrying out the pretreatment such as image enhancement, image denoising, image sharpening, Image Edge-Detection and segmentation, then carry out characteristics of image
Analysis and identification, obtain further details of valve tower structured data.
It is in vibrational state because will drive entire valve tower when the reactor in valve tower flows through a few kiloampere rated current, for a long time
Operation easily causes the problems such as element connection loosens.Due to the valve tower picture number being stored in monitoring host equipment under normal condition
According to model, monitoring sub- equipment installation position, valve tower shape and internal element layout is it is known that host equipment only need to be by current valve
Tower image data and the valve tower image data of the normal operating condition saved compare and analyze, and can be diagnosed to be current valve tower
Whether middle element loosens, major electrical components are with the presence or absence of structure changes such as displacements.Textural anomaly failure has occurred if being diagnosed to be,
Then issue textural anomaly pre-warning signal；If restoring the corresponding visible images for monitoring sub- equipment if non-recurring structure failure
Sample frequency.
In addition, being also added into artificial intelligence process mechanism in monitoring host equipment, accumulated by self-learning capability improper
Various characteristics under state, improve trouble diagnosibility.
The monitoring system of above-mentioned extra-high voltage direct-current transmission converter valve can realize the inside in-service monitoring to converter valve valve tower,
It effectively increases converter valve equipment and makes an inspection tour automatization level；And can find in time with early warning component initial failure, effectively mention
High equipment operational reliability.
The embodiment of extra-high voltage direct-current transmission converter valve:
Extra-high voltage direct-current transmission converter valve includes converter valve valve tower and monitoring system, due to monitoring system specific structure with
And function realizes that process specifically gives in the embodiment of the monitoring system of extra-high voltage direct-current transmission converter valve, herein no longer
It repeats.
Under the thinking that the present invention provides, to above-mentioned implementation by the way of being readily apparent that those skilled in the art
Technological means in example is converted, is replaced, is modified, and is played the role of and the basic phase of relevant art means in the present invention
Goal of the invention that is same, realizing is also essentially identical, and the technical solution formed in this way is to be finely adjusted to be formed to above-described embodiment, this
Kind technical solution is still fallen in protection scope of the present invention.
Claims (10)
1. a kind of monitoring system of extra-high voltage direct-current transmission converter valve, which is characterized in that including each valve layer in converter valve valve tower
The sub- equipment of monitoring of upper setting position installation, the sub- equipment of monitoring include at least thermal imaging camera.
2. the monitoring system of extra-high voltage direct-current transmission converter valve according to claim 1, which is characterized in that the monitoring system
It further include monitoring host, the sub- equipment of monitoring communicates to connect the monitoring host.
3. the monitoring system of extra-high voltage direct-current transmission converter valve according to claim 1 or 2, which is characterized in that the heat
Imaging camera head is infrared thermal imaging camera.
4. the monitoring system of extra-high voltage direct-current transmission converter valve according to claim 1 or 2, which is characterized in that the prison
Surveying sub- equipment further includes visible image capturing head.
5. the monitoring system of extra-high voltage direct-current transmission converter valve according to claim 1 or 2, which is characterized in that the monitoring
System further includes the power supply device of each sub- equipment of monitoring of connection.
6. a kind of extra-high voltage direct-current transmission converter valve, including converter valve valve tower and monitoring system, which is characterized in that the monitoring system
Including the sub- equipment of monitoring that setting position is installed in each valve layer of converter valve valve tower, the sub- equipment of the monitoring include at least heat at
As camera.
7. extra-high voltage direct-current transmission converter valve according to claim 6, which is characterized in that the monitoring system further includes monitoring
Host, the sub- equipment of monitoring communicate to connect the monitoring host.
8. extra-high voltage direct-current transmission converter valve according to claim 6 or 7, which is characterized in that the thermal imaging camera
For infrared thermal imaging camera.
9. extra-high voltage direct-current transmission converter valve according to claim 6 or 7, which is characterized in that the sub- equipment of monitoring is also
Including visible image capturing head.
10. extra-high voltage direct-current transmission converter valve according to claim 6 or 7, which is characterized in that the monitoring system further includes
Connect the power supply device of each sub- equipment of monitoring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710510543.1A CN109149613A (en) | 2017-06-28 | 2017-06-28 | A kind of extra-high voltage direct-current transmission converter valve and its monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710510543.1A CN109149613A (en) | 2017-06-28 | 2017-06-28 | A kind of extra-high voltage direct-current transmission converter valve and its monitoring system |
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| Publication Number | Publication Date |
|---|---|
| CN109149613A true CN109149613A (en) | 2019-01-04 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710510543.1A Pending CN109149613A (en) | 2017-06-28 | 2017-06-28 | A kind of extra-high voltage direct-current transmission converter valve and its monitoring system |
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| Country | Link |
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| CN (1) | CN109149613A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107702799A (en) * | 2017-08-10 | 2018-02-16 | 许继集团有限公司 | A kind of converter valve valve tower |
| CN112304364A (en) * | 2020-09-24 | 2021-02-02 | 许继集团有限公司 | Panoramic inspection method for energy-consuming converter valve and monitoring device for energy-consuming converter valve |
| WO2021047223A1 (en) * | 2019-09-10 | 2021-03-18 | 许继集团有限公司 | High-voltage direct current power transmission converter valve tower provided with fire monitoring functions |
| CN112824841A (en) * | 2019-11-19 | 2021-05-21 | 许继集团有限公司 | Valve tower temperature monitoring system and method |
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| CN104935897A (en) * | 2015-07-07 | 2015-09-23 | 国网上海市电力公司 | Infrared intelligent online monitoring system for direct-current convertor station valve hall |
| CN105092058A (en) * | 2015-05-12 | 2015-11-25 | 江苏宝亨新电气有限公司 | On-line temperature monitoring system for high tension switchgear, and monitoring method thereof |
| CN205229338U (en) * | 2015-12-01 | 2016-05-11 | 中国南方电网有限责任公司超高压输电公司广州局 | Take redundant silicon controlled rectifier change of current valve system emission of light detection loop |
| CN106017733A (en) * | 2016-08-04 | 2016-10-12 | 南京南瑞继保电气有限公司 | Temperature online monitoring device and method for modular multi-level converter valve |
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2017
- 2017-06-28 CN CN201710510543.1A patent/CN109149613A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104022577A (en) * | 2014-06-21 | 2014-09-03 | 中国能源建设集团广东省电力设计研究院 | Flexible DC transmission system converter station control protection method and structure |
| CN105092058A (en) * | 2015-05-12 | 2015-11-25 | 江苏宝亨新电气有限公司 | On-line temperature monitoring system for high tension switchgear, and monitoring method thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107702799A (en) * | 2017-08-10 | 2018-02-16 | 许继集团有限公司 | A kind of converter valve valve tower |
| CN107702799B (en) * | 2017-08-10 | 2020-02-21 | 许继集团有限公司 | Converter valve tower with implanted imaging function |
| WO2021047223A1 (en) * | 2019-09-10 | 2021-03-18 | 许继集团有限公司 | High-voltage direct current power transmission converter valve tower provided with fire monitoring functions |
| CN112824841A (en) * | 2019-11-19 | 2021-05-21 | 许继集团有限公司 | Valve tower temperature monitoring system and method |
| CN112304364A (en) * | 2020-09-24 | 2021-02-02 | 许继集团有限公司 | Panoramic inspection method for energy-consuming converter valve and monitoring device for energy-consuming converter valve |
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Application publication date: 20190104 |