CN111564899A - Remote regulation and control system of oil filter of power transformer - Google Patents
Remote regulation and control system of oil filter of power transformer Download PDFInfo
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- CN111564899A CN111564899A CN202010280485.XA CN202010280485A CN111564899A CN 111564899 A CN111564899 A CN 111564899A CN 202010280485 A CN202010280485 A CN 202010280485A CN 111564899 A CN111564899 A CN 111564899A
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/05—Programmable logic controllers, e.g. simulating logic interconnections of signals according to ladder diagrams or function charts
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/08—Cooling; Ventilating
- H01F27/10—Liquid cooling
- H01F27/12—Oil cooling
- H01F27/14—Expansion chambers; Oil conservators; Gas cushions; Arrangements for purifying, drying, or filling
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02B90/20—Smart grids as enabling technology in buildings sector
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
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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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
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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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/126—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wireless data transmission
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Fluid-Pressure Circuits (AREA)
- Testing And Monitoring For Control Systems (AREA)
Abstract
The invention relates to the field of power information monitoring systems, and particularly discloses a remote regulation and control system of an oil filter of a power transformer, which comprises: the system comprises a data acquisition module, a network video recorder, a video monitoring module, a PLC (programmable logic controller), an A/D (analog/digital) module, an alarm module, a communication module, a cloud end and a mobile end; the PLC controller is connected with the data acquisition module, the network video recorder and the A/D module respectively, the network video recorder is connected with the video monitoring module, the A/D module is connected with the communication module, the communication module is in wireless connection with the cloud end, and the cloud end is in wireless connection with the mobile terminal. According to the invention, a PLC remote control system is added on the basis of the original relay control of the oil filter, so that the internal parameters of the oil filter are monitored in real time, and the self-repairing capability of the oil filter when a fault occurs is enhanced. The internal parameters of the oil filter and the video monitoring data are uploaded to the cloud end in real time through a mobile network, and various real-time parameters can be checked through terminals such as a mobile phone and a notebook computer, so that remote monitoring is realized, and manual inspection is eliminated.
Description
Technical Field
The invention relates to the field of power information monitoring systems, in particular to a remote regulation and control system of an oil filter of a power transformer.
Background
With the continuous development of the smart grid technology, the requirements on the operation stability and the safety of the power system are higher and higher. As an important device for changing voltage, a transformer is often used in places such as a substation, a power plant, and an operation line, and the coverage area thereof is expanding. Wherein, transformer oil can play insulating, heat dissipation, effect such as arc extinction, and current multiple transformer utilizes transformer oil to improve, realizes the high-efficient utilization of equipment. As the temperature of the equipment is increased during operation, the transformer oil is contacted with oxygen under the action of high temperature and an electric field to generate insoluble colloid, so that the insulating property of the transformer is reduced.
In order to solve the problem of insoluble colloid, an oil filter is adopted to filter the transformer oil. However, because the oil filter will work continuously in the outdoor environment, in order to ensure the safe operation of the oil filter, the worker must watch the oil filter for a long time to prevent a series of faults such as oil leakage, and the whole oil filtering time is long, the noise is large, and the health of the worker is affected in the complex environment. Therefore, by changing the monitoring mode of the oil filter, the operation and maintenance cost is saved, and the improvement of the monitoring precision of the oil filter is very important.
Disclosure of Invention
The invention aims to provide a remote control system of an oil filter of a power transformer, so as to overcome the defect that a worker has to watch the transformer oil for a long time when the oil filter filters the transformer oil.
In order to achieve the above object, the present invention provides a remote control system for an oil filter of a power transformer, comprising: the system comprises a data acquisition module, a network video recorder, a video monitoring module, a PLC (programmable logic controller), an A/D (analog/digital) module, an alarm module, a communication module, a cloud end and a mobile end; the PLC is respectively connected with a data acquisition module, a network hard disk video recorder and an A/D module, the network hard disk video recorder is connected with the video monitoring module, the A/D module is connected with the communication module, the communication module is wirelessly connected with the cloud end, and the cloud end is wirelessly connected with the mobile terminal;
the data acquisition module is used for acquiring the vacuum degree, the heating temperature, the inlet and outlet flow, the valve opening degree and the liquid level and the pressure of the vacuum tank when the oil filter filters oil of the power transformer;
the video monitoring module is used for monitoring three groups of video data, wherein the first data is an image for monitoring an operation control panel of the oil filter, the second data is an image for monitoring an oil outlet of the transformer and a half width of a high-voltage side of the transformer, and the third data is an image for monitoring an oil inlet of the transformer and a half width of a low-voltage side of the transformer;
the PLC is used for comparing the data of the data acquisition module with the data stored in the PLC, transmitting the data acquired by the data acquisition module and the video monitoring module to the cloud end if all parameters accord with normal values, and receiving an operation instruction transmitted by the cloud end to control and execute the oil filter;
the mobile terminal is used for checking the collected oil filter data and video data through the cloud terminal and sending an operation instruction to the oil filter.
Preferably, in the technical scheme, the oil filter control system further comprises a console, the console comprises a relay control panel and a PLC control panel, the relay control panel is connected with the control end of the oil filter and the network video recorder, and the PLC control panel is connected with the PLC controller and is provided with a PLC interface.
Preferably, in the above technical solution, the network hard disk recorder has a built-in 2T storage capacity.
Preferably, in the above technical solution, the data acquisition module is further configured to acquire internal parameters, fault information, and an oil filter node map of the oil filter.
Preferably, in the above technical scheme, the operation instruction sent by the moving end to the oil filter includes a control valve opening instruction, an oil filter heating temperature instruction, and an inlet/outlet flow instruction.
Preferably, in the above technical solution, a pipeline valve of the oil filter is labeled.
Preferably, in the technical scheme, an oil filter pipeline simplified diagram is arranged in the cloud end, the oil filter pipeline simplified diagram identifies positions of the valves and page marks, and the moving end controls the opening degree of the valves of the oil filter pipelines respectively through the page marks.
Preferably, in the above technical scheme, when the PLC controller analyzes that each parameter of the oil filter deviates from a normal value, the PLC controller controls the corresponding regulator inside the oil filter to perform a corresponding action, and the PLC controller detects that the regulated data is compared with the data stored inside the oil filter to determine whether the regulation is successful, if the PLC controller determines that the regulation is not successful, the regulation is continued, and meanwhile, the alarm module sends an alarm to the cloud end through the communication module; if the regulator of the oil filter is adjusted successfully, the communication module sends an alarm to the cloud end, and meanwhile, the PLC sends adjustment information and fault point information to the cloud end through the communication module.
Preferably, in the above technical solution, the communication module is internally provided with an SIM card to transmit data to the cloud terminal by using a mobile transmission network.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the remote control system of the oil filter of the power transformer, a PLC is used as a control core unit, data such as temperature, inlet and outlet flow, valve opening, pressure and the like of each node in the oil filter are collected by a data collection module and transmitted to a PLC intelligent control system for data processing and analysis, heating power, valve opening and oil filtering flow of each node of the oil filter are controlled according to an analysis result, meanwhile, the collected data and feedback are transmitted to the cloud through a communication module, a worker can log in the cloud through a mobile phone, a notebook computer and other terminals to realize remote monitoring and operation of the oil filter, and when an abnormality occurs, a warning signal is sent. The system can accurately measure various parameters of the oil filter, monitors the long-time working state and working environment of the oil filter, prevents potential threats and saves human resources.
2. According to the invention, a fault processing program is introduced, when an abnormality occurs, the fault processing program can be communicated with the PLC control system, and the oil filter is automatically controlled to perform corresponding fault processing through processing and analysis of the PLC intelligent control system, so that automatic control is realized, damage caused by the system instability can be automatically responded in time, and fault processing information is uploaded to a cloud end to be checked in real time.
3. According to the invention, under the existing relay operation mode of the oil filter, a PLC automatic control mode is added, automatic control is realized by the PLC, field operation control is realized by the relay, and real-time control of an upper computer on a valve of the oil filter is realized. When the PLC control system breaks down, the relay can be used for realizing field control, and the priority of the relay control system is higher in the two control modes.
4. According to the invention, 3 groups of video monitors are arranged near the oil outlet and the oil inlet of the oil filter and are used for monitoring the field working condition and transmitting the field working condition to the cloud end through the base station network, so that a worker can check the operation of the oil filter in real time through the mobile end. The Network Video Recorder (NVR) has built-in storage capacity, the video monitoring module uploads data to the cloud end, the NVR stores videos in the built-in hard disk, and when the built-in storage capacity of the NVR is filled up, newly recorded videos cover the earliest videos, and efficient utilization of resources is achieved.
Drawings
Fig. 1 is a system architecture diagram of a remote control system of an oil filter of a power transformer according to the present invention.
Fig. 2 is a diagram of a field control panel of the present invention.
FIG. 3 is a flow chart of PLC control according to the present invention.
Detailed Description
The following detailed description of the present invention is provided in conjunction with the accompanying drawings, but it should be understood that the scope of the present invention is not limited to the specific embodiments.
As shown in fig. 1 and fig. 2, the remote control system for the oil filter of the power transformer in this embodiment includes: the system comprises a data acquisition module, a network video recorder, a video monitoring module, a PLC (programmable logic controller), an A/D (analog/digital) module, an alarm module, a communication module, a cloud end and a mobile end. In this embodiment add the control cabinet, this control cabinet includes relay control panel and PLC control panel, is controlled the oil filter by relay control mode and PLC control mode jointly. The relay control panel is connected with the control end of the oil filter and the network hard disk video recorder, and the PLC control panel is connected with the PLC controller and is provided with a PLC interface. Can carry out online programming to the PLC controller through the PLC interface, optimize the control program, the fault handling procedure of PLC controller, relay control panel will directly operate the oil filter through button on the panel, relay operation priority will be higher than PLC control. The PLC control panel can directly control each valve, temperature, pressure and the like in the oil filter by controlling the PLC controller. Therefore, automatic control is realized by the PLC, field operation control is realized by the relay, and real-time control of the pipeline valve of the oil filter by the upper computer is realized.
Continuing to refer to fig. 1, 2 and 3, the PLC controller is connected to the data acquisition module, the network hard disk recorder and the ad module, respectively, the network hard disk recorder is connected to the video monitoring module, the ad module is connected to the communication module, the communication module is wirelessly connected to the cloud, and the cloud is wirelessly connected to the mobile terminal. The data acquisition module is used for acquiring vacuum degree, heating temperature, inlet and outlet flow, liquid level and pressure of the vacuum tank, internal parameters, fault information of the oil filter and an oil filter node map when the oil filter filters oil of the power transformer, the data acquisition module acquires data such as temperature, pressure, inlet and outlet flow, valve port opening degree and the like of the oil filter, transmits output signals to the PLC for data processing and analysis through A/D conversion, compares the output signals with data stored in the PLC, and transmits real-time data to a cloud end after information processed by the PLC passes through the A/D module and the communication module when all parameters accord with normal values.
In addition, as shown in fig. 2 and 3, a fault processing program is loaded into the PLC controller through the PLC interface, the fault processing program is a self-checking action program for dealing with a fault of the oil filter, a preset program is used to realize fault processing capability, if at least 1 of the parameters of the oil filter deviates from a normal value, the fault processing program written into the PLC controller is triggered, a corresponding regulator inside the oil filter is automatically controlled to make a corresponding action, the PLC controller detects the regulated data and compares the regulated data with the stored data inside the oil filter to judge whether the regulation is successful, if the PLC controller judges that the regulation is not successful, the regulation is continued, and meanwhile, the alarm module sends an alarm to the cloud through the communication module; if the regulator of the oil filter is successfully regulated, the whole system of the oil filter is recovered to be normal, an alarm is sent to the cloud end by the communication module, and meanwhile the PLC sends the regulation information and the fault point information to the cloud end by the communication module.
The fault handling program includes: and acquiring a difference value between the parameter deviating from the normal value and the parameter of the normal value, converting the difference value into an adjusting instruction, sending the adjusting instruction to a corresponding adjuster in the oil filter, and adjusting by the adjuster.
Further, as shown in fig. 2, the video monitoring module is configured to monitor three groups of video data, and the communication module transmits the data to the cloud end by using a wireless network, so as to implement the whole monitoring process. The first data is an image of an operation control panel for monitoring the oil filter, the second data is an image for monitoring the oil outlet of the transformer and the half width of the high-voltage side of the transformer, the third data is an image for monitoring the oil inlet of the transformer and the half width of the low-voltage side of the transformer, 3 groups of video monitoring modules are utilized to monitor the operation working environment of the oil filter, various data are transmitted to the cloud end through a wireless communication module with an SIM card, and workers can remotely realize all-around control over the oil filter. The Network Video Recorder (NVR) is internally provided with 2T storage capacity, the video monitoring module uploads data to the cloud, the NVR stores videos into the internal hard disk, and when the built-in storage capacity of the NVR is filled up, newly recorded videos cover the earliest videos, so that efficient utilization of resources is achieved.
Still further, the mobile terminal is used for checking the collected oil filter data and video data through the cloud, checking the operating environment of the oil filter through the video monitoring module, and the cloud video monitoring interface can simultaneously display 3 groups of video real-time information and can respectively display 1 group of video information, 2 groups of video information and 3 groups of video information according to page adjustment. The mobile terminal is further used for sending an operation instruction to the oil filter through the cloud, the operation instruction comprises a control valve opening instruction, an oil filter heating temperature instruction, an inlet and outlet flow instruction and the like, and further the valve opening, the oil filter heating temperature and the inlet and outlet flow are controlled, therefore, workers can be connected to the cloud through mobile terminals such as mobile phones and notebook computers and send corresponding instructions to the PLC through a mobile network, and the opening degree of the valve in the oil filter, the temperature controller, the pressure controller, the inlet and outlet flow controller and other nodes are accurately controlled.
In addition, the pipeline valve of the oil filter is labeled, and the opening degree of the valve is controlled according to the labeled instruction. And be equipped with the oil filter pipeline simplified map in the high in the clouds, each valve position of oil filter pipeline simplified map sign and page reference numeral, remove the end and control the degree of opening of each oil filter pipeline valve respectively through page reference numeral.
It is worth to be noted that the communication module is internally provided with an SIM card, and information such as video data, various parameters in the oil filter, opening parameters of the PLC control valve and the like is transmitted to the cloud end by utilizing a mobile transmission network.
The foregoing descriptions of specific exemplary embodiments of the present invention have been presented for purposes of illustration and description. It is not intended to limit the invention to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain certain principles of the invention and its practical application to enable one skilled in the art to make and use various exemplary embodiments of the invention and various alternatives and modifications as are suited to the particular use contemplated. It is intended that the scope of the invention be defined by the claims and their equivalents.
Claims (9)
1. The utility model provides a remote regulation and control system of power transformer oil filter which characterized in that includes: the system comprises a data acquisition module, a network video recorder, a video monitoring module, a PLC (programmable logic controller), an A/D (analog/digital) module, an alarm module, a communication module, a cloud end and a mobile end; the PLC is respectively connected with a data acquisition module, a network hard disk video recorder and an A/D module, the network hard disk video recorder is connected with the video monitoring module, the A/D module is connected with the communication module, the communication module is wirelessly connected with the cloud end, and the cloud end is wirelessly connected with the mobile terminal;
the data acquisition module is used for acquiring the vacuum degree, the heating temperature, the inlet and outlet flow, the valve opening degree and the liquid level and the pressure of the vacuum tank when the oil filter filters oil of the power transformer;
the video monitoring module is used for monitoring three groups of video data, wherein the first data is an image for monitoring an operation control panel of the oil filter, the second data is an image for monitoring an oil outlet of the transformer and a half width of a high-voltage side of the transformer, and the third data is an image for monitoring an oil inlet of the transformer and a half width of a low-voltage side of the transformer;
the PLC is used for comparing the data of the data acquisition module with the data stored in the PLC, transmitting the data acquired by the data acquisition module and the video monitoring module to the cloud end if all parameters accord with normal values, and receiving an operation instruction transmitted by the cloud end to control and execute the oil filter;
the mobile terminal is used for checking the collected oil filter data and video data through the cloud terminal and sending an operation instruction to the oil filter.
2. The remote control system for the oil filter of the power transformer of claim 1, further comprising a console, wherein the console comprises a relay control panel and a PLC control panel, the relay control panel is connected with the control end of the oil filter and the network video recorder, and the PLC control panel is connected with the PLC controller and is provided with a PLC interface.
3. The remote control system for the oil filter of the power transformer as claimed in claim 1, wherein the network hard disk video recorder is provided with a 2T storage capacity.
4. The remote control system for the oil filter of the power transformer of claim 1, wherein the data acquisition module is further used for acquiring internal parameters, fault information and an oil filter node map of the oil filter.
5. The remote control system for the oil filter of the power transformer of claim 1, wherein the operation instruction sent by the movable end to the oil filter comprises a control valve opening instruction, an oil filter heating temperature instruction and an inlet/outlet flow instruction.
6. The remote control system for the oil filter of the power transformer as claimed in claim 1, wherein the pipeline valves of the oil filter are numbered.
7. The remote control system for the oil filter of the power transformer as claimed in claim 6, wherein an oil filter pipeline simplified diagram is arranged in the cloud end, the oil filter pipeline simplified diagram identifies positions of the valves and page marks, and the movable end controls the opening degree of the valves of the oil filter pipeline through the page marks.
8. The remote control system for the oil filter of the power transformer as claimed in claim 2, wherein when the PLC analyzes that each parameter of the oil filter deviates from a normal value, the PLC controls a corresponding regulator inside the oil filter to perform corresponding action, the PLC detects and compares the regulated data with the data stored inside the oil filter to judge whether the regulation is successful, if the PLC judges that the regulation is not successful, the regulation is continued, and meanwhile, the alarm module sends an alarm to the cloud end through the communication module; if the regulator of the oil filter is adjusted successfully, the communication module sends an alarm to the cloud end, and meanwhile, the PLC sends adjustment information and fault point information to the cloud end through the communication module.
9. The remote control system for the oil filter of the power transformer of claim 1, wherein the communication module is internally provided with a SIM card to transmit data to the cloud end by using a mobile transmission network.
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| CN2019104851405 | 2019-06-05 | ||
| CN201910485140 | 2019-06-05 |
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| CN111564899A true CN111564899A (en) | 2020-08-21 |
| CN111564899B CN111564899B (en) | 2023-09-01 |
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Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4079186A (en) * | 1976-01-07 | 1978-03-14 | Joslyn Mfg. And Supply Co. | High voltage oil filled cable termination with oil filter and skid wire securing means |
| CN201733103U (en) * | 2010-07-29 | 2011-02-02 | 索凌电气有限公司 | Microprocessor control pressure-regulating reactive power automatic compensating device of electrified railway |
| CN103296761A (en) * | 2013-06-05 | 2013-09-11 | 四川艾普视达数码科技有限公司 | Real-time monitoring system used for transformer |
| CN205248058U (en) * | 2015-12-29 | 2016-05-18 | 国家电网公司 | Oil filter intelligence monitor system |
| CN105897925A (en) * | 2016-05-31 | 2016-08-24 | 成都九十度工业产品设计有限公司 | Mobile remote electric power monitoring system based on 4G network and monitoring method |
| CN206021020U (en) * | 2016-01-04 | 2017-03-15 | 李涛 | A kind of oil strain intelligent in-situ monitor system |
| CN106532933A (en) * | 2016-10-13 | 2017-03-22 | 广西大学 | Remote monitoring and management system for transformers |
| CN106920644A (en) * | 2017-04-12 | 2017-07-04 | 国家电网公司交流建设分公司 | A kind of filtering oil for transformer control device and method |
| CN108379931A (en) * | 2018-04-28 | 2018-08-10 | 广东电网有限责任公司 | Oil filter control method and system |
| CN208547818U (en) * | 2018-03-27 | 2019-02-26 | 广东电网有限责任公司佛山供电局 | A kind of transformer oil filter mobile monitoring control system |
-
2020
- 2020-04-10 CN CN202010280485.XA patent/CN111564899B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4079186A (en) * | 1976-01-07 | 1978-03-14 | Joslyn Mfg. And Supply Co. | High voltage oil filled cable termination with oil filter and skid wire securing means |
| CN201733103U (en) * | 2010-07-29 | 2011-02-02 | 索凌电气有限公司 | Microprocessor control pressure-regulating reactive power automatic compensating device of electrified railway |
| CN103296761A (en) * | 2013-06-05 | 2013-09-11 | 四川艾普视达数码科技有限公司 | Real-time monitoring system used for transformer |
| CN205248058U (en) * | 2015-12-29 | 2016-05-18 | 国家电网公司 | Oil filter intelligence monitor system |
| CN206021020U (en) * | 2016-01-04 | 2017-03-15 | 李涛 | A kind of oil strain intelligent in-situ monitor system |
| CN105897925A (en) * | 2016-05-31 | 2016-08-24 | 成都九十度工业产品设计有限公司 | Mobile remote electric power monitoring system based on 4G network and monitoring method |
| CN106532933A (en) * | 2016-10-13 | 2017-03-22 | 广西大学 | Remote monitoring and management system for transformers |
| CN106920644A (en) * | 2017-04-12 | 2017-07-04 | 国家电网公司交流建设分公司 | A kind of filtering oil for transformer control device and method |
| CN208547818U (en) * | 2018-03-27 | 2019-02-26 | 广东电网有限责任公司佛山供电局 | A kind of transformer oil filter mobile monitoring control system |
| CN108379931A (en) * | 2018-04-28 | 2018-08-10 | 广东电网有限责任公司 | Oil filter control method and system |
Non-Patent Citations (1)
| Title |
|---|
| 周仁才;钱素静;姜春莹;: "配变带在线滤油功能的有载调压系统的应用", 浙江电力, no. 05, pages 76 - 78 * |
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| CN111564899B (en) | 2023-09-01 |
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