CN111092408A - Transformer substation monitoring method - Google Patents
Transformer substation monitoring method Download PDFInfo
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- CN111092408A CN111092408A CN202010064154.2A CN202010064154A CN111092408A CN 111092408 A CN111092408 A CN 111092408A CN 202010064154 A CN202010064154 A CN 202010064154A CN 111092408 A CN111092408 A CN 111092408A
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H1/00—Details of emergency protective circuit arrangements
- H02H1/0007—Details of emergency protective circuit arrangements concerning the detecting means
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- 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
- G01R31/327—Testing of circuit interrupters, switches or circuit-breakers
- G01R31/3271—Testing of circuit interrupters, switches or circuit-breakers of high voltage or medium voltage devices
- G01R31/3275—Fault detection or status indication
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H1/00—Details of emergency protective circuit arrangements
- H02H1/0061—Details of emergency protective circuit arrangements concerning transmission of signals
- H02H1/0069—Details of emergency protective circuit arrangements concerning transmission of signals by means of light or heat rays
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/22—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for distribution gear, e.g. bus-bar systems; for switching devices
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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
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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
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/20—Systems supporting electrical power generation, transmission or distribution using protection elements, arrangements or systems
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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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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Protection Of Transformers (AREA)
Abstract
The invention relates to a transformer substation monitoring method, wherein a compound eye combined probe consisting of a plurality of miniature infrared probes, miniature ultraviolet probes and miniature high-definition probes is arranged on a monitoring upright rod in a transformer substation to monitor each electric high-voltage device in the transformer substation, the miniature infrared probes are used for detecting an overheating fault in the operation of the electric high-voltage device, the miniature ultraviolet probes are used for detecting a discharging fault of the electric high-voltage device, the miniature high-definition probes are used for detecting whether an isolating switch is in an accurate position or not and whether a worker crosses a red line or not and is in danger close to the high-voltage device, each probe in the compound eye combined probe is respectively and electrically connected with a control module through a corresponding data transmission module, and a protection execution device is controlled by the control module to work so as to carry out corresponding fault protection. The method is beneficial to effective monitoring and fault protection of the high-voltage power equipment in the transformer substation.
Description
Technical Field
The invention belongs to the technical field of transformer substation monitoring, and particularly relates to a transformer substation monitoring method.
Background
The existing technical scheme for non-contact monitoring of the high-voltage power equipment of the transformer substation mainly comprises the following three modes: 1) carrying infrared and ultraviolet detection instruments by workers, and detecting overheating and discharging faults of the high-voltage power equipment of the transformer substation; 2) installing a common visible light probe, and visually monitoring the high-voltage power equipment and workers of the transformer substation; 3) the inspection robot carries out mobile inspection and detection on the high-voltage power equipment in the station. In the former two modes, because the bionic compound eye design aiming at the operation characteristics and the structure of the high-voltage power equipment of the transformer substation is not carried out, the high-voltage power equipment cannot simultaneously have the wide, clear and far functions of visible light, infrared and ultraviolet, and heating and discharging faults of the high-voltage power equipment and detection of correct positions of disconnecting link switching-on and disconnecting link switching-off can be omitted or cannot be accurately detected in time in actual application; it is also possible to omit or fail to find the working personnel crossing the red line in time, or approach the live high-voltage equipment in operation dangerously, endangering the life safety and the power grid equipment safety of the power production. The inspection robot can only perform mobile inspection detection according to the route and time on the high-voltage power equipment in the station, cannot continuously and effectively monitor the large-range power equipment in the whole station within 24 hours, and is incapable of being used for equipment with a passing obstacle position. In addition, all three technical schemes do not have a protection function, when the power equipment is detected to have a fault, only an alarm signal can be sent out, or a maintainer is informed to carry out treatment before, the load of the fault equipment cannot be transferred through an automatic control standby interval to the serious fault, the pressure of the fault equipment is reduced, and the fault equipment is maintained to be in stable transition before the maintainer arrives.
Disclosure of Invention
The invention aims to provide a transformer substation monitoring method which is beneficial to effective monitoring and fault protection of high-voltage power equipment in a transformer substation.
In order to achieve the purpose, the invention adopts the technical scheme that: a transformer substation monitoring method is characterized in that a compound eye combined probe composed of a plurality of miniature infrared probes, miniature ultraviolet probes and miniature high-definition probes is installed on a monitoring upright in a transformer substation to monitor each electric high-voltage device in the transformer substation, the miniature infrared probes are used for detecting an overheating fault in the operation of the electric high-voltage device, the miniature ultraviolet probes are used for detecting a discharging fault of the electric high-voltage device, the miniature high-definition probes are used for detecting whether an isolating switch is in a correct position or not and whether a worker crosses a red line and is in danger close to the high-voltage device or not, each probe in the compound eye combined probe is respectively and electrically connected with a control module through a corresponding data transmission module, and the control module is used for controlling a protection execution device to work so as to carry out corresponding fault protection.
Further, the monitored electric high-voltage equipment comprises a main transformer, a circuit breaker, an isolating switch, a mutual inductor and a lightning arrester; the power high-voltage equipment in the transformer substation is divided into a working interval and a standby interval according to the operation condition, the working interval is in an operation state with high voltage electricity, the standby interval is in an uncharged hot standby state or a cold standby state, when a serious fault occurs in the working interval and the load is required to be shunted and reduced, or when a sudden malignant fault occurs in the working interval and is separated by tripping of a corresponding protection device, the standby interval is rapidly powered on to work, the original standby interval is converted into the working interval with the hot operation, and the original working interval is cut off by tripping and then waits for a power failure test and maintenance.
Furthermore, the compound eye combined probe comprises a plurality of miniature infrared probes, miniature ultraviolet probes and miniature high-definition probes, and the probes are arranged and distributed on the compound eye combined probe at intervals according to a bionic compound eye regular hexagon shape.
Furthermore, the data transmission module comprises connecting optical fibers corresponding to the probes, sensors, an AD converter and a signal amplifier, wherein the probes are respectively electrically connected with the corresponding sensors through the connecting optical fibers and then are electrically connected with the input end of the control module through the AD converter and the signal amplifier in sequence so as to transmit detection signals of the probes to the control module; the control module comprises an equipment overheating fault judgment control module, an equipment discharging fault judgment control module, an isolating switch dislocation judgment control module and a personnel danger approach judgment control module, and the output end of the control module is electrically connected with the protection execution device; the protection execution device comprises an alarm device, a transfer load protection device and a switch tripping protection device, and the output end of the control module is electrically connected with the alarm device, the transfer load protection device and the switch tripping protection device respectively.
Further, when the miniature infrared probe in the compound eye combined probe detects that the heating temperature of the power high-voltage equipment reaches a mild overheating fault threshold value, the control module controls an alarm device of the protection execution device to send out a mild overheating fault alarm signal; when the micro infrared probe detects that the heating temperature of the high-voltage power equipment reaches a serious overheating fault threshold value, the control module controls a load transfer protection device of the protection execution device to carry out load reduction protection, the load is transferred to a standby interval through a standby switch, and at the moment, the fault equipment and the standby equipment work together; when the micro infrared probe detects that the heating temperature of the electric power high-voltage equipment reaches the sudden malignant overheating fault threshold value, the control module controls the corresponding switch to rapidly trip through the switch trip protection device of the protection execution device, isolates the malignant fault interval, and meanwhile, the standby equipment is started to replace work.
Further, when the micro ultraviolet probe in the compound eye combined probe detects that the discharge capacity of the power high-voltage equipment reaches a light discharge fault threshold value, the control module controls an alarm device of the protection execution device to send out a light discharge fault alarm signal; when the micro ultraviolet probe detects that the discharge capacity of the power high-voltage equipment reaches a serious discharge fault threshold value, the control module controls a load transfer protection device of the protection execution device to carry out load reduction protection, the load is shunted and transferred to a standby interval through a standby switch, and at the moment, the fault equipment and the standby equipment work together; when the micro ultraviolet probe detects that the discharge capacity of the electric power high-voltage equipment reaches the threshold value of the sudden malignant discharge fault, the control module controls the corresponding switch to rapidly trip through the switch trip protection device of the protection execution device, isolates the malignant fault interval, and simultaneously starts the standby equipment to replace work.
Further, when the miniature high-definition probe in the compound-eye combined probe detects that the disconnecting switch and the closing switch in the transformer substation are not in correct positions, and when a worker crosses a red line and dangers approach high-voltage equipment, the control module controls an alarm device of the protection execution device to perform acousto-optic alarm.
Compared with the prior art, the invention has the following beneficial effects: aiming at the operation mode and the self characteristics of the high-voltage power equipment in the transformer substation, the transformer substation is monitored by a compound eye combined probe consisting of a plurality of micro infrared probes, micro ultraviolet probes and micro high-definition probes, the infrared, ultraviolet and visible light wavelength ranges of the large-range high-voltage power equipment arranged in the transformer substation are scanned and monitored by utilizing the advantages of large wide angle, high depth of field and high-definition imaging of the compound eye combined probe, the comprehensive monitoring is carried out on the conditions of overheat faults, discharge faults, correct positions of disconnecting switches and closing switches in the transformer substation, whether workers cross red lines and dangers close to the high-voltage equipment and the like in the operation of the high-voltage power equipment in the transformer substation, the reliable protection function is provided for the high-voltage power equipment with various faults by the work of a control module and a protection execution device, and the defects of the monitoring mode of the, compared with the prior art, the method has the advantages of powerfully ensuring the safe operation of production personnel and equipment of the power system, along with strong practicability and wide application prospect.
Drawings
Fig. 1 is a schematic diagram of the working state of the embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a compound eye combined probe in an embodiment of the invention.
Fig. 3 is a control schematic block diagram of an embodiment of the invention.
Fig. 4 is a schematic diagram of a normal operation state of the electric power high-voltage equipment in the embodiment of the invention.
Fig. 5 is a schematic diagram of a state of transferring a load to a standby interval when a severe overheat fault occurs in the electric power high-voltage equipment in the embodiment of the invention.
Fig. 6 is a schematic diagram of the interval state between the sudden malignant overheating fault and the disconnection fault of the electric power high-voltage equipment in the embodiment of the invention.
Detailed Description
The invention is described in further detail below with reference to the figures and the embodiments.
The invention provides a transformer substation monitoring method aiming at the operation mode and the self characteristics of electric power high-voltage equipment in a transformer substation, as shown in figures 1-3, a compound eye combined probe 1 consisting of a plurality of micro infrared probes 11, micro ultraviolet probes 12 and micro high-definition probes 13 is arranged on a monitoring upright rod in the transformer substation, each electric power high-voltage equipment 6 in the transformer substation is monitored, the micro infrared probes are used for detecting the overheating fault in the operation of the electric power high-voltage equipment, the probes are distributed on the compound eye combined probe at regular hexagonal intervals according to bionic compound eyes, the micro ultraviolet probes are used for detecting the discharge fault of the electric power high-voltage equipment, the micro high-definition probes are used for detecting whether an isolating switch is switched on or not at the correct position, whether a worker crosses a red line and the danger is close to the high-voltage equipment, each probe in the compound eye combined probe 1 is respectively and electrically connected with a control module 3 through a corresponding data transmission module 2, and the control module 3 controls the protection execution device 4 to work so as to carry out corresponding fault protection. Due to the combination of the three micro probes with different wavelengths, especially the application of the bionic compound eye design, the online non-contact detection of different types of faults of overheating and discharging of the high-voltage power equipment can be met, and the comprehensive effective monitoring of the high-voltage power equipment of the transformer substation (in a far, wide and clear range, the non-compound eye probe can only take two or one) can be realized by each type of probe, so that the safe operation of a power grid is powerfully guaranteed.
In this embodiment, the monitored high-voltage power equipment 6 comprises a main transformer, a circuit breaker, a disconnecting switch, a mutual inductor and a lightning arrester, and mainly plays roles in transforming and transmitting high-voltage electric energy. The power high-voltage equipment in the transformer substation is divided into a working interval and a standby interval according to the operation condition, the working interval is in an operation state with high voltage electricity, the standby interval is in an uncharged hot standby state or a cold standby state, when a serious fault occurs in the working interval and the load is required to be shunted and reduced, or when a sudden malignant fault occurs in the working interval and is separated by tripping of a corresponding protection device, the standby interval is rapidly powered on to work, the original standby interval is converted into the working interval with the hot operation, and the original working interval is cut off by tripping and then waits for a power failure test and maintenance. When the electric high-voltage equipment runs, heat and discharge phenomena can be generated due to the electric and magnetic effects, the temperature and the discharge amount of the equipment are within normal allowable ranges in normal running, but when the equipment has overheating faults, the temperature rise of the equipment is remarkably increased, particularly serious overheating faults occur, and the temperature rise is rapidly increased; similarly, the discharge capacity of the high-voltage equipment is very small in normal operation, and is mostly a phenomenon that people cannot see slight corona or weak discharge in other forms by naked eyes, and the like, at the moment, only an ultraviolet probe can observe the high-voltage equipment, but when the high-voltage equipment has a discharge fault, the discharge capacity is rapidly increased, and the two types of faults of the high-voltage equipment can be developed into serious faults even conditions are created for sudden and malignant faults, and the personal safety and equipment safety of a power grid are seriously threatened.
As shown in fig. 3, the data transmission module 2 includes a connection fiber 21 corresponding to each probe, a sensor, an AD converter and a signal amplifier, each probe is electrically connected to each corresponding sensor through the connection fiber, and then electrically connected to the input end of the control module through the AD converter and the signal amplifier in sequence, so as to transmit the detection signal of each probe to the control module without loss and distortion as much as possible. The control module 3 comprises an equipment overheating fault judgment control module, an equipment discharging fault judgment control module, an isolating switch dislocation judgment control module and a personnel danger approach judgment control module, and the output end of the control module is electrically connected with the protection execution device. The protection executing device 4 comprises an alarm device 41, a transfer load protection device 42 and a switch tripping protection device 43, and the output end of the control module 3 is electrically connected with the alarm device 41, the transfer load protection device 42 and the switch tripping protection device 43 respectively.
The normal operation of the high voltage electrical equipment is shown in fig. 4. When the miniature infrared probe in the compound eye combined probe detects that the heating temperature of the electric power high-voltage equipment reaches a slight overheating fault threshold value, the control module controls the alarm device of the protection execution device to send out a slight overheating fault alarm signal. As shown in fig. 5, when the micro infrared probe detects that the heating temperature of the high-voltage power equipment reaches the critical overheating fault threshold, the control module controls the load transfer protection device of the protection execution device to perform load shedding protection, and transfers the load to the standby interval through the standby switch, at this time, the fault equipment and the standby equipment work together to transmit power to a user, and the fault equipment is in an excessive state to wait for the arrival of a worker to perform a power failure test and maintenance. As shown in fig. 6, when the micro infrared probe detects that the heating temperature of the high-voltage power equipment reaches the sudden malignant overheating fault threshold, the control module controls the corresponding switch to rapidly trip through the switch trip protection device of the protection execution device, so as to isolate the malignant fault interval, prevent the malignant accident from further expanding, and simultaneously start the standby equipment to replace, thereby ensuring the safe and effective operation of other equipment of the power grid.
When the micro ultraviolet probe in the compound eye combined probe detects that the discharge capacity of the electric power high-voltage equipment reaches a light discharge fault threshold value, the control module controls the alarm device of the protection execution device to send out a light discharge fault alarm signal. When the micro ultraviolet probe detects that the discharge capacity of the high-voltage power equipment reaches a serious discharge fault threshold value, the control module controls a load transfer protection device of the protection execution device to carry out load reduction protection, the load is shunted and transferred to a standby interval through a standby switch, at the moment, the fault equipment and the standby equipment work together to transmit power to a user, and the fault equipment is in an excessive state and waits for a worker to arrive to carry out power failure test and maintenance. When the micro ultraviolet probe detects that the discharge capacity of the high-voltage power equipment reaches the threshold value of the sudden vicious discharge fault, the control module controls the corresponding switch to rapidly trip through the switch trip protection device of the protection execution device, isolates the vicious fault interval, prevents further expansion of vicious accidents, and simultaneously starts the standby equipment to replace, thereby ensuring safe and effective operation of other equipment of the power grid.
When the miniature high-definition probe in the compound-eye combined probe detects that the disconnecting switch and the closing switch in the transformer substation are not in correct positions, and when a worker crosses a red line and dangers are close to high-voltage equipment, the control module controls the alarm device of the protection execution device to send out a harsh alarm sound and a dazzling highlight alarm for audible and visual alarm.
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 (7)
1. A transformer substation monitoring method is characterized in that a compound eye combined probe composed of a plurality of miniature infrared probes, miniature ultraviolet probes and miniature high-definition probes is installed on a monitoring upright in a transformer substation to monitor each electric high-voltage device in the transformer substation, the miniature infrared probes are used for detecting an overheating fault in the operation of the electric high-voltage device, the miniature ultraviolet probes are used for detecting a discharging fault of the electric high-voltage device, the miniature high-definition probes are used for detecting whether an isolating switch is in a correct position or not and whether a worker crosses a red line and is in danger close to the high-voltage device or not, each probe in the compound eye combined probe is respectively and electrically connected with a control module through a corresponding data transmission module, and the control module is used for controlling a protection execution device to work so as to carry out corresponding fault protection.
2. The transformer substation monitoring method according to claim 1, wherein the monitored electric high-voltage equipment comprises a main transformer, a circuit breaker, a disconnecting switch, a mutual inductor and a lightning arrester; the power high-voltage equipment in the transformer substation is divided into a working interval and a standby interval according to the operation condition, the working interval is in an operation state with high voltage electricity, the standby interval is in an uncharged hot standby state or a cold standby state, when a serious fault occurs in the working interval and the load is required to be shunted and reduced, or when a sudden malignant fault occurs in the working interval and is separated by tripping of a corresponding protection device, the standby interval is rapidly powered on to work, the original standby interval is converted into the working interval with the hot operation, and the original working interval is cut off by tripping and then waits for a power failure test and maintenance.
3. The transformer substation monitoring method according to claim 1, wherein the compound eye combined probe comprises a plurality of micro infrared probes, micro ultraviolet probes and micro high-definition probes, and the probes are distributed on the compound eye combined probe at regular hexagonal intervals according to bionic compound eyes.
4. The transformer substation monitoring method according to claim 1, wherein the data transmission module comprises a connection optical fiber corresponding to each probe, a sensor, an AD converter and a signal amplifier, each probe is electrically connected with each corresponding sensor through the connection optical fiber, and then is electrically connected with the input end of the control module through the AD converter and the signal amplifier in sequence so as to transmit the detection signal of each probe to the control module; the control module comprises an equipment overheating fault judgment control module, an equipment discharging fault judgment control module, an isolating switch dislocation judgment control module and a personnel danger approach judgment control module, and the output end of the control module is electrically connected with the protection execution device; the protection execution device comprises an alarm device, a transfer load protection device and a switch tripping protection device, and the output end of the control module is electrically connected with the alarm device, the transfer load protection device and the switch tripping protection device respectively.
5. The transformer substation monitoring method according to claim 1, wherein when a micro infrared probe in the compound eye combined probe detects that the heating temperature of the high-voltage power equipment reaches a mild overheating fault threshold value, the control module controls an alarm device of the protection execution device to send out a mild overheating fault alarm signal; when the micro infrared probe detects that the heating temperature of the high-voltage power equipment reaches a serious overheating fault threshold value, the control module controls a load transfer protection device of the protection execution device to carry out load reduction protection, the load is transferred to a standby interval through a standby switch, and at the moment, the fault equipment and the standby equipment work together; when the micro infrared probe detects that the heating temperature of the electric power high-voltage equipment reaches the sudden malignant overheating fault threshold value, the control module controls the corresponding switch to rapidly trip through the switch trip protection device of the protection execution device, isolates the malignant fault interval, and meanwhile, the standby equipment is started to replace work.
6. The transformer substation monitoring method according to claim 1, wherein when a micro ultraviolet probe in the compound eye combined probe detects that the discharge capacity of the power high-voltage equipment reaches a light discharge fault threshold value, the control module controls an alarm device of the protection execution device to send out a light discharge fault alarm signal; when the micro ultraviolet probe detects that the discharge capacity of the power high-voltage equipment reaches a serious discharge fault threshold value, the control module controls a load transfer protection device of the protection execution device to carry out load reduction protection, the load is shunted and transferred to a standby interval through a standby switch, and at the moment, the fault equipment and the standby equipment work together; when the micro ultraviolet probe detects that the discharge capacity of the electric power high-voltage equipment reaches the threshold value of the sudden malignant discharge fault, the control module controls the corresponding switch to rapidly trip through the switch trip protection device of the protection execution device, isolates the malignant fault interval, and simultaneously starts the standby equipment to replace work.
7. The transformer substation monitoring method according to claim 1, wherein when a micro high-definition probe in the compound eye combined probe detects that an opening and closing of a disconnecting switch in the transformer substation are not at correct positions, and when a worker crosses a red line and dangerously approaches high-voltage equipment, the control module controls an alarm device of the protection execution device to perform acousto-optic alarm.
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| CN202010064154.2A CN111092408A (en) | 2020-01-20 | 2020-01-20 | Transformer substation monitoring method |
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| CN202010064154.2A CN111092408A (en) | 2020-01-20 | 2020-01-20 | Transformer substation monitoring method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111049271A (en) * | 2020-01-20 | 2020-04-21 | 国网福建省电力有限公司宁德供电公司 | Compound eye monitoring system of transformer substation |
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| CN110137906A (en) * | 2019-04-26 | 2019-08-16 | 国网福建省电力有限公司邵武市供电公司 | A kind of anti-error guard method of converting station electric power equipment parallel connection array infrared monitoring |
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2020
- 2020-01-20 CN CN202010064154.2A patent/CN111092408A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106965147A (en) * | 2016-12-09 | 2017-07-21 | 南京理工大学 | A kind of hot line robot isolation switch detection method |
| CN109640032A (en) * | 2018-04-13 | 2019-04-16 | 河北德冠隆电子科技有限公司 | Based on the more five dimension early warning systems of element overall view monitoring detection of artificial intelligence |
| CN109470368A (en) * | 2018-12-17 | 2019-03-15 | 国网福建省电力有限公司 | A kind of online checking system of the infrared temperature sensing device of unmanned plane power equipment |
| CN110137906A (en) * | 2019-04-26 | 2019-08-16 | 国网福建省电力有限公司邵武市供电公司 | A kind of anti-error guard method of converting station electric power equipment parallel connection array infrared monitoring |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111049271A (en) * | 2020-01-20 | 2020-04-21 | 国网福建省电力有限公司宁德供电公司 | Compound eye monitoring system of transformer substation |
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Application publication date: 20200501 |