CN110836835A - Intelligent SF6 density on-line monitoring data analysis and information feedback system - Google Patents
Intelligent SF6 density on-line monitoring data analysis and information feedback system Download PDFInfo
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- CN110836835A CN110836835A CN201911041885.9A CN201911041885A CN110836835A CN 110836835 A CN110836835 A CN 110836835A CN 201911041885 A CN201911041885 A CN 201911041885A CN 110836835 A CN110836835 A CN 110836835A
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Abstract
The invention relates to an intelligent SF6 density online monitoring data analysis and information feedback system. In the aspects of data multi-dimensional statistics and application, gas leakage rate calculation and trend analysis, environmental factor accurate compensation, comprehensive information feedback and processing suggestion pushing, a whole set of intelligent processing system is formed, the work of environmental data acquisition, defect filling, fault prediction and alarm, maintenance means suggestion and the like is automatically completed, the judgment and processing rate of faults is obviously improved, and the reduction of manual misjudgment and the work efficiency is avoided.
Description
Technical Field
The invention relates to an intelligent SF6 density online monitoring data analysis and information feedback system.
Background
The traditional SF6 density online monitoring system only samples the current data of the SF6 densimeter, sends an alarm signal when the current value is lower than an alarm or locking limit or sends a locking instruction through a protection device, calculates the air leakage rate of an abnormal air chamber by manually observing density change data or a curve according to historical data stored in a set period, and judges corresponding defect standards and treatment measures. Meanwhile, the temperature compensation measures adopted by the SF6 density are single, and the conditions of over-compensation, under-compensation and the like exist, so that the accurate analysis and comparison of the SF6 density are not facilitated.
Therefore, by designing an intelligent SF6 density online monitoring data analysis and information feedback system, a whole set of intelligent processing system is formed in the aspects of data multi-dimensional statistics and application, gas leakage rate calculation and trend analysis, environmental factor accurate compensation, comprehensive information feedback and processing suggestion pushing, the work of environmental data acquisition, defect filling, fault prediction and alarm, maintenance means suggestion and the like is automatically completed, the judgment and processing rate of faults is obviously improved, and the reduction of artificial misjudgment and the work efficiency is avoided.
Disclosure of Invention
The invention aims to provide an intelligent SF6 density online monitoring data analysis and information feedback system, which obviously improves the judging and processing rate of SF6 gas chamber faults and avoids the artificial misjudgment and the reduction of the working efficiency.
In order to achieve the purpose, the technical scheme of the invention is as follows: an intelligent SF6 density online monitoring data analysis and information feedback system comprises a solar photosensitive element, a patch type temperature sensor, an SF6 density sensor and an online monitoring system;
the solar photosensitive element is used for collecting illumination intensity information;
the patch type temperature sensors are arranged at different positions in the SF6 air chamber and are used for acquiring temperature information in the SF6 air chamber;
the SF6 density sensor is used for acquiring SF6 gas density information in an SF6 gas chamber;
the online monitoring system is provided with an environmental parameter compensation program, an air leakage rate calculation and time pre-judgment program, a monitoring background air leakage alarm program, an automatic defect filling program, an air leakage type judgment and maintenance suggestion pushing program; the environmental parameter compensation program sets the environmental compensation parameters of the air leakage rate calculation and time pre-judgment program, the monitoring background air leakage alarm program, the automatic defect filling program, the air leakage type judgment and the maintenance suggestion pushing program according to the illumination intensity information acquired by the solar photosensitive element and the temperature information acquired by the patch type temperature sensor; the gas leakage rate calculation and time prejudgment program calculates the SF6 gas leakage rate of an SF6 gas chamber in real time according to SF6 gas density information acquired by the SF6 density sensor, and can predict the SF6 density value of a future time point or the time required for the SF6 gas in the SF6 gas chamber to fall to a density limit value according to the current rate; the monitoring background gas leakage alarm program judges whether the gas leakage rate is higher than a set gas leakage rate threshold value according to the real-time calculated SF6 gas leakage rate of the SF6 gas chamber, and if so, the monitoring background gas leakage alarm program alarms through the online monitoring server and the monitoring background; the automatic defect filling program automatically generates a defect grade according to the SF6 gas leakage rate of an SF6 gas chamber calculated in real time and a defect fixed value standard built in the automatic defect filling program for the operation and maintenance personnel to fill in the defect reference; the air leakage type judging and maintenance suggestion pushing program can judge whether the air outlet chamber is in quick air leakage or slow air leakage according to the SF6 air leakage rate of the SF6 air chamber calculated in real time, and pushes processing suggestions to operation and maintenance personnel.
In an embodiment of the present invention, the air leakage type determining and maintenance suggestion pushing program may further calculate, according to the air leakage rate and the time pre-determining program, a time required for the SF6 gas in the SF6 gas chamber to fall to the density limit value, so as to provide a basis for the maintenance personnel to perform work time arrangement of different maintenance measures.
In an embodiment of the present invention, the environmental parameter compensation program further sets up different compensation amounts and manners for each SF6 air chamber according to a horizontal and vertical comparison manner, wherein the horizontal comparison manner is to compare with other similar devices in the same phase at the same interval and in the similar environments at neighboring positions, and the vertical comparison manner is to compare with the historical similar temperature and sunshine conditions.
Compared with the prior art, the invention has the following beneficial effects:
(1) the system can compare and calculate SF6 density data sampled in real time at the current time point with data of a plurality of previous sampling periods, generate the current air leakage rate in real time, predict the SF6 density value at a certain future time point according to the current rate, or predict the time required for the SF6 of the air chamber to descend to a certain density limit value, and the conditions can be manually specified, so that operation and maintenance personnel can conveniently estimate the change of the insulation degree of the SF6 of the air chamber and the reliability index;
(2) the system of the invention calculates the air leakage rate in real time, and immediately alarms through the online monitoring server and the monitoring background when the air leakage rate is judged to be higher than the set value, so that the air leakage problem of the air chamber can be quickly found and processed, the continuous development of the air leakage phenomenon is prevented, and the abnormal judgment and processing time is saved.
(3) The system can calculate the air leakage rate and automatically generate a defect grade according to a built-in defect fixed value standard for operation and maintenance personnel to report the defect reference;
(4) the system fixes the temperature sensor patches at different positions of the air chambers, is additionally provided with the solar photosensitive elements, more comprehensively and accurately judges the environmental parameters of each specific air chamber, the formulated compensation basis is more complete and accurate, meanwhile, the data processing technology adopts the comparison mode of transverse (interval comparison of other similar equipment in the same interval and similar adjacent position environments) and longitudinal (interval comparison with historical similar temperature and sunshine conditions) to customize specific compensation amount and mode for each air chamber, and if the data change has obvious mutation or difference, an alarm signal can be sent to prompt monitoring personnel;
(5) according to the air leakage rate calculation and analysis condition, the system can judge whether the air outlet chamber is in quick air leakage or slow air leakage, and pushes treatment suggestions to operation and maintenance personnel, such as electrified air supplement or need to block the air as soon as possible. By automatically calculating the time required for the alarm or the locking value to be reduced, the system can also provide a basis for the arrangement of the working time of different maintenance means such as air supplement or leakage stoppage.
Drawings
Fig. 1 shows the main application modules of the intelligent SF6 density online monitoring data analysis and information feedback system of the present invention.
Detailed Description
The technical scheme of the invention is specifically explained below with reference to the accompanying drawings.
The invention provides an intelligent SF6 density online monitoring data analysis and information feedback system, which comprises a solar photosensitive element, a patch type temperature sensor, an SF6 density sensor and an online monitoring system, wherein the solar photosensitive element is connected with the patch type temperature sensor through a cable;
the solar photosensitive element is used for collecting illumination intensity information;
the patch type temperature sensors are arranged at different positions in the SF6 air chamber and are used for acquiring temperature information in the SF6 air chamber;
the SF6 density sensor is used for acquiring SF6 gas density information in an SF6 gas chamber;
the online monitoring system is provided with an environmental parameter compensation program, an air leakage rate calculation and time pre-judgment program, a monitoring background air leakage alarm program, an automatic defect filling program, an air leakage type judgment and maintenance suggestion pushing program; the environmental parameter compensation program sets the environmental compensation parameters of the air leakage rate calculation and time pre-judgment program, the monitoring background air leakage alarm program, the automatic defect filling program, the air leakage type judgment and the maintenance suggestion pushing program according to the illumination intensity information acquired by the solar photosensitive element and the temperature information acquired by the patch type temperature sensor; the gas leakage rate calculation and time prejudgment program calculates the SF6 gas leakage rate of an SF6 gas chamber in real time according to SF6 gas density information acquired by the SF6 density sensor, and can predict the SF6 density value of a future time point or the time required for the SF6 gas in the SF6 gas chamber to fall to a density limit value according to the current rate; the monitoring background gas leakage alarm program judges whether the gas leakage rate is higher than a set gas leakage rate threshold value according to the real-time calculated SF6 gas leakage rate of the SF6 gas chamber, and if so, the monitoring background gas leakage alarm program alarms through the online monitoring server and the monitoring background; the automatic defect filling program automatically generates a defect grade according to the SF6 gas leakage rate of an SF6 gas chamber calculated in real time and a defect fixed value standard built in the automatic defect filling program for the operation and maintenance personnel to fill in the defect reference; the air leakage type judging and maintenance suggestion pushing program can judge whether the air outlet chamber is in quick air leakage or slow air leakage according to the SF6 air leakage rate of the SF6 air chamber calculated in real time, and pushes processing suggestions to operation and maintenance personnel.
The system of the invention is mainly applied and characterized by comprising the following aspects: 1. the system can compare and calculate SF6 density data sampled in real time at the current time point with data of a plurality of previous sampling periods, generate the current air leakage rate in real time, predict the SF6 density value at a certain time point in the future or the time required for the gas chamber SF6 to descend to a certain density limit value according to the current rate, and the conditions can be manually specified, so that operation and maintenance personnel can conveniently estimate the change of the insulation degree of the gas chamber SF6 and the reliability index. 2. The system of the invention calculates the air leakage rate in real time, and immediately alarms through the online monitoring server and the monitoring background when the air leakage rate is judged to be higher than the set value (the traditional mode can send alarm information to be found by monitoring personnel only when the air leakage rate is reduced to the alarm value), so that the air leakage problem of the air chamber can be found and processed quickly, the continuous development of the air leakage phenomenon is prevented, and the abnormal judgment and processing time is saved. 3. The system can calculate the air leakage rate and automatically generate the defect grade according to the built-in defect fixed value standard for the operation and maintenance personnel to report the defect reference. 4. The system fixes the temperature sensor patches at different positions of the air chambers, is additionally provided with the solar photosensitive elements, more comprehensively and accurately judges the environmental parameters of each specific air chamber, the formulated compensation basis is more complete and accurate, meanwhile, the data processing technology adopts the comparison mode of transverse (interval comparison of other similar equipment in the same interval and similar adjacent position environments) and longitudinal (interval comparison with historical similar temperature and sunshine conditions) to customize the specific compensation amount and mode for each air chamber, and if the data change has obvious mutation or difference, an alarm signal can be sent to prompt monitoring personnel. 5. According to the air leakage rate calculation and analysis condition, the system can judge whether the air outlet chamber is in quick air leakage or slow air leakage, and pushes treatment suggestions to operation and maintenance personnel, such as electrified air supplement or need to block the air as soon as possible. By automatically calculating the time required for the alarm or the locking value to be reduced, the system can also provide a basis for the arrangement of the working time of different maintenance means such as air supplement or leakage stoppage.
The above are preferred embodiments of the present invention, and all changes made according to the technical scheme of the present invention that produce functional effects do not exceed the scope of the technical scheme of the present invention belong to the protection scope of the present invention.
Claims (3)
1. An intelligent SF6 density online monitoring data analysis and information feedback system is characterized by comprising a solar photosensitive element, a patch type temperature sensor, an SF6 density sensor and an online monitoring system;
the solar photosensitive element is used for collecting illumination intensity information;
the patch type temperature sensors are arranged at different positions in the SF6 air chamber and are used for acquiring temperature information in the SF6 air chamber;
the SF6 density sensor is used for acquiring SF6 gas density information in an SF6 gas chamber;
the online monitoring system is provided with an environmental parameter compensation program, an air leakage rate calculation and time pre-judgment program, a monitoring background air leakage alarm program, an automatic defect filling program, an air leakage type judgment and maintenance suggestion pushing program; the environmental parameter compensation program sets the environmental compensation parameters of the air leakage rate calculation and time pre-judgment program, the monitoring background air leakage alarm program, the automatic defect filling program, the air leakage type judgment and the maintenance suggestion pushing program according to the illumination intensity information acquired by the solar photosensitive element and the temperature information acquired by the patch type temperature sensor; the gas leakage rate calculation and time prejudgment program calculates the SF6 gas leakage rate of an SF6 gas chamber in real time according to SF6 gas density information acquired by the SF6 density sensor, and can predict the SF6 density value of a future time point or the time required for the SF6 gas in the SF6 gas chamber to fall to a density limit value according to the current rate; the monitoring background gas leakage alarm program judges whether the gas leakage rate is higher than a set gas leakage rate threshold value according to the real-time calculated SF6 gas leakage rate of the SF6 gas chamber, and if so, the monitoring background gas leakage alarm program alarms through the online monitoring server and the monitoring background; the automatic defect filling program automatically generates a defect grade according to the SF6 gas leakage rate of an SF6 gas chamber calculated in real time and a defect fixed value standard built in the automatic defect filling program for the operation and maintenance personnel to fill in the defect reference; the air leakage type judging and maintenance suggestion pushing program can judge whether the air outlet chamber is in quick air leakage or slow air leakage according to the SF6 air leakage rate of the SF6 air chamber calculated in real time, and pushes processing suggestions to operation and maintenance personnel.
2. The intelligent SF6 density on-line monitoring data analysis and information feedback system as claimed in claim 1, wherein the air leakage type determination and maintenance suggestion push program further provides a basis for maintenance personnel to schedule work time for different maintenance means according to the time required for SF6 gas in SF6 gas chamber to drop to the density limit value calculated by the air leakage rate calculation and time pre-determination program.
3. The intelligent SF6 density on-line monitoring data analysis and information feedback system of claim 1, wherein said environmental parameter compensation process further defines different compensation amounts and modes for each SF6 gas cell according to a horizontal and vertical comparison mode, wherein the horizontal comparison mode is to the other similar devices in the same interval and in the same type of similar environment in the neighboring location, and the vertical comparison mode is to the historical similar temperature and sunshine conditions.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111307376A (en) * | 2020-03-04 | 2020-06-19 | 云南电网有限责任公司电力科学研究院 | Method and system for detecting GIS gas leakage |
| CN113281218A (en) * | 2021-05-25 | 2021-08-20 | 国网河北省电力有限公司检修分公司 | Gas density monitoring method and device, storage medium and electronic equipment |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1199857A (en) * | 1997-04-30 | 1998-11-25 | Gec阿尔斯托姆T&D公司 | Method of monitoring leakage rate from the envelope of high voltage electrical apparatus |
| CN101498754A (en) * | 2008-02-02 | 2009-08-05 | 陕西电力科学研究院 | Method and device for judging SF6 electrical equipment malfunction by utilizing SF6 pressure fluctuation |
| CN101521928A (en) * | 2008-11-20 | 2009-09-02 | 北京信息工程学院 | Positioned mobile alarm method and system based on mobile network |
| CN204203150U (en) * | 2014-11-18 | 2015-03-11 | 浙江开关厂有限公司 | A kind of sulfur hexafluoride micro water density on-Line Monitor Device |
| CN105004489A (en) * | 2014-04-18 | 2015-10-28 | 现代重工业株式会社 | Gas insulated switchgear preventive diagnostic system and gas pressure monitoring method thereof |
| US20150308938A1 (en) * | 2014-04-29 | 2015-10-29 | Karl Frederick Scheucher | Gas insulated switchgear monitoring apparatus and method |
| CN105932590A (en) * | 2016-06-08 | 2016-09-07 | 国网江苏省电力公司检修分公司 | Pressure and temperature-based SF6 gas online state evaluation method |
| CN107176157A (en) * | 2017-05-19 | 2017-09-19 | 重庆凯瑞电动汽车系统有限公司 | Electric automobile vacuum braking gas leakage detection and emergency braking system |
| CN207816338U (en) * | 2018-01-11 | 2018-09-04 | 广东电网有限责任公司梅州供电局 | A kind of box-type equipment humiture online monitoring alarm system |
| CN110212643A (en) * | 2019-06-17 | 2019-09-06 | 国网新疆电力有限公司乌鲁木齐供电公司 | Substation's SF6 gaseous state based on NB-IoT technology monitors system |
-
2019
- 2019-10-30 CN CN201911041885.9A patent/CN110836835A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1199857A (en) * | 1997-04-30 | 1998-11-25 | Gec阿尔斯托姆T&D公司 | Method of monitoring leakage rate from the envelope of high voltage electrical apparatus |
| CN101498754A (en) * | 2008-02-02 | 2009-08-05 | 陕西电力科学研究院 | Method and device for judging SF6 electrical equipment malfunction by utilizing SF6 pressure fluctuation |
| CN101521928A (en) * | 2008-11-20 | 2009-09-02 | 北京信息工程学院 | Positioned mobile alarm method and system based on mobile network |
| CN105004489A (en) * | 2014-04-18 | 2015-10-28 | 现代重工业株式会社 | Gas insulated switchgear preventive diagnostic system and gas pressure monitoring method thereof |
| US20150308938A1 (en) * | 2014-04-29 | 2015-10-29 | Karl Frederick Scheucher | Gas insulated switchgear monitoring apparatus and method |
| CN204203150U (en) * | 2014-11-18 | 2015-03-11 | 浙江开关厂有限公司 | A kind of sulfur hexafluoride micro water density on-Line Monitor Device |
| CN105932590A (en) * | 2016-06-08 | 2016-09-07 | 国网江苏省电力公司检修分公司 | Pressure and temperature-based SF6 gas online state evaluation method |
| CN107176157A (en) * | 2017-05-19 | 2017-09-19 | 重庆凯瑞电动汽车系统有限公司 | Electric automobile vacuum braking gas leakage detection and emergency braking system |
| CN207816338U (en) * | 2018-01-11 | 2018-09-04 | 广东电网有限责任公司梅州供电局 | A kind of box-type equipment humiture online monitoring alarm system |
| CN110212643A (en) * | 2019-06-17 | 2019-09-06 | 国网新疆电力有限公司乌鲁木齐供电公司 | Substation's SF6 gaseous state based on NB-IoT technology monitors system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111307376A (en) * | 2020-03-04 | 2020-06-19 | 云南电网有限责任公司电力科学研究院 | Method and system for detecting GIS gas leakage |
| CN113281218A (en) * | 2021-05-25 | 2021-08-20 | 国网河北省电力有限公司检修分公司 | Gas density monitoring method and device, storage medium and electronic equipment |
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