CN105529684A - Infrared thermosensitive protection apparatus for substation high-voltage equipment and operating method - Google Patents
Infrared thermosensitive protection apparatus for substation high-voltage equipment and operating method Download PDFInfo
- Publication number
- CN105529684A CN105529684A CN201610092541.0A CN201610092541A CN105529684A CN 105529684 A CN105529684 A CN 105529684A CN 201610092541 A CN201610092541 A CN 201610092541A CN 105529684 A CN105529684 A CN 105529684A
- Authority
- CN
- China
- Prior art keywords
- infrared
- high voltage
- infrared temperature
- sensitive
- circuit breaker
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H5/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection
- H02H5/04—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection responsive to abnormal temperature
- H02H5/045—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection responsive to abnormal temperature using a thermal radiation sensor
Landscapes
- Protection Of Transformers (AREA)
- Emergency Protection Circuit Devices (AREA)
Abstract
The invention relates to an infrared thermosensitive protection apparatus for substation high-voltage equipment and an operating method. The apparatus comprises an infrared thermosensitive apparatus, a circuit breaker, a circuit breaker tripping coil secondary control loop, a control module and an optical fiber; the infrared thermosensitive apparatus comprises an infrared thermosensitive imaging wide-angle camera which is mounted in a substation and can rotate in a certain angle range to carry out thermosensitive imaging scanning on the power high-voltage equipment operating in the substation, an infrared thermosensitive imaging sensor and an infrared thermosensitive imaging processor; and the output end of the infrared thermosensitive imaging processor is electrically connected to the input end of the control module, the output end of the control module is electrically connected to the input end of the circuit breaker tripping coil secondary control loop, and the output end of the circuit breaker tripping coil secondary control loop is electrically connected with the circuit breaker for controlling a moving contact of the circuit breaker to be rapidly separated from a fixed contact so as to cut off a tripping action of a power supply. According to the infrared thermosensitive protection apparatus disclosed by the invention, the power high-voltage equipment with a sudden malignant overheat fault can be protected, and meanwhile, an accident is prevented from being enlarged.
Description
Technical field
The present invention relates to infrared temperature-sensitive protective device and the application method in the power high voltage equipment protecting equipment field, particularly a kind of high voltage device of transformer station run in transformer station.
Background technology
The power high voltage equipment such as the main transformer in transformer station, circuit breaker, sleeve pipe, instrument transformer, capacitor, lightning arrester, isolating switch, bus and equipment outlet, joint, wire clamp, be in operation due to electricity, magnetic action, heat can be produced, particularly when there is the pernicious overheating fault of burst, due at short notice, fault energy sharply increases, now as can not the power supply of disengagement failure high-tension apparatus rapidly, isolated, equipment burnout will be caused, fault spread, seriously jeopardizes the personal safety of staff and the safe operation of electrical network near faulty equipment.
The overheating fault of the power high voltage equipment in existing transformer station or the bad overheated detection of conductor contact; one is carry infrared thermal imaging instrument by staff to be covered with in the transformer station of high voltage equipment to surrounding; one by one artificial monitors high voltage electric power equip ment thermal imaging scan; two is carry out D.C. resistance test to the power high voltage equipment of interruption maintenance; these 2 kinds of methods all cannot carry out overheating fault early warning in time online; more can not at the very first time disengagement failure power high voltage device power supply (DPS) that the pernicious overheating fault of burst occurs; proterctive equipment, Accident prevention expands further.
Summary of the invention
In view of this, the object of this invention is to provide a kind of infrared temperature-sensitive protective device and application method of high voltage device of transformer station, can protect the power high voltage equipment of the pernicious overheating fault that happens suddenly, Accident prevention expands simultaneously.
The present invention adopts following scheme to realize: a kind of infrared temperature-sensitive protective device of high voltage device of transformer station, comprises infrared heat-sensing device, circuit breaker, breaker open operation coil secondary control loop, control module and optical fiber, described infrared heat-sensing device comprises being arranged in transformer station and can rotating at certain angle and carry out the infrared thermographic wide-angle camera of thermographic scanning, infrared temperature-sensitive imaging sensor and infrared temperature-sensitive imaging processor to the power high voltage equipment run in transformer station, the output of described infrared thermographic wide-angle camera is electrically connected at the input of described infra-red heat dependent sensor, the output of described infra-red heat dependent sensor is electrically connected at the input of the indoor described infrared temperature-sensitive imaging processor of distant place Background control by optical fiber, the output of described infrared temperature-sensitive imaging processor is electrically connected at the input of described control module, the output of described control module is electrically connected at the input of described breaker open operation coil secondary control loop, output and the described circuit breaker of described breaker open operation coil secondary control loop are electrical connected, fixed contact is hightailed in order to control moving contact of breaker, the separating brake action of cutting off the electricity supply.
Further, the quantity of described infrared thermographic wide-angle camera is more than or equal to 1.
Further, in described transformer station, the power high voltage equipment of motion comprises transformer, circuit breaker, sleeve pipe, instrument transformer, capacitor, lightning arrester, isolating switch, equipment wiring, wire clamp and bus.
Further, described control module comprises PLC and computer processor, described control module is in order to control breaker open operation when dissimilar power high voltage equipment happens suddenly pernicious overheating fault, under different weather meteorological condition, infrared temperature-sensitive imaging signal carries out attenuation compensation, and power high voltage equipment is arranged on different distance, different angles to carry out revising to infrared temperature-sensitive imaging receiver signal and compensates.
Further, described circuit breaker comprises moving contact and fixed contact, in order to the "on" position that realizes circuit breaker energize power supply and the gate-dividing state of cutting off the electricity supply.
Further, described breaker open operation coil secondary control loop comprises normally closed electrical contact switch and switching winding, in order to control the operating state of described breaker open operation coil secondary circuit state.
The present invention also adopts following methods to realize: a kind of application method of infrared temperature-sensitive protective device of high voltage device of transformer station, comprises the following steps:
Step S1: the infrared heat-sensing device opening converting station electric power high-tension apparatus, infrared thermographic wide-angle camera slowly rotates at certain angle and carries out scanning temperature-sensitive thermographic to the power high voltage equipment run relevant in transformer station, realizes wide-angle and large-arealy initiatively receives power high voltage equipment thermographic signal;
Step S2: described thermographic signal is transmitted through the fiber to the infrared temperature-sensitive imaging processor on distant place control centre backstage by infrared temperature-sensitive imaging sensor;
Step S3: infrared temperature-sensitive imaging processor is resent to control module by being transmitted by infrared temperature-sensitive imaging sensor after the infrared temperature-sensitive imaging signal come converts digital signal to;
Step S4: control module is compared to the thermographic digital signal received and analyzed judgement, when there is the pernicious overheating fault of burst in the arbitrary power high voltage equipment in transformer station, its temperature-sensitive temperature-sensitive image spectrum signal exceedes settings, the action of control module auto-controlled circuit breaker switching winding secondary control loop, moving contact in circuit breaker is thrown off in the fixed contact of "on" position, cuts off the electricity supply.
Compared with prior art, when there is the pernicious overheating fault of burst in the present invention, can protect the pernicious faulty equipment of burst, Accident prevention expands simultaneously in transformer station.Infrared thermographic wide-angle camera of the present invention carries out active temperature thermographic by the power high voltage equipment run Outdoor Trusses For Transformer Substation and monitors, and by the infrared temperature-sensitive imaging processor of thermographic signal by transducer and Optical Fiber Transmission control centre's running background afield, after infrared temperature-sensitive imaging processor converts the thermographic video electrical signal come by infrared temperature-sensitive imaging sensor transmission to digital signal, be resent to control module, control module to be compared to the thermographic digital signal received by the program of prior design programming and is analyzed judgement, when certain power high voltage equipment or high-voltage conducting wires in transformer station, wire clamp, there is the pernicious overheating fault of burst in joint, when its temperature-sensitive temperature-sensitive image spectrum signal exceedes settings, control module auto-controlled circuit breaker trip(ping) circuit action, moving contact in circuit breaker is thrown off rapidly in the fixed contact of "on" position, cut off the electricity supply, the expansion of Accident prevention, the safe operation of powerful guarantee electrical network.Monitor with the temperature rise of traditional converting station electric power high-tension apparatus, report to the police and compare with experimental rig, the present invention has huge advantage.
Accompanying drawing explanation
Fig. 1 is a kind of converting station electric power high-tension apparatus of the present invention infrared temperature-sensitive protection system work sheet.
Fig. 2 is when in transformer station of the present invention, the imaging of power high voltage equipment thermosensitive temperature-sensing is normal, infrared temperature-sensitive protection system fundamental diagram.
Fig. 3 is when on the loop when being powered by circuit breaker 1 of the present invention, the pernicious overheating fault of burst occurs certain power high voltage equipment; infrared temperature-sensitive protection system PLC processor auto-controlled circuit breaker 1 sub-gate circuit is often opened electrical contact switch and is closed; connect circuit breaker 1 separating brake secondary circuit; switching winding action; circuit breaker 1 moving contact is made to hightail fixed contact; cut off the electricity supply, fundamental diagram.
Fig. 4 is when on the loop when being powered by circuit breaker n of the present invention, the pernicious overheating fault of burst occurs certain power high voltage equipment; infrared temperature-sensitive protection system PLC processor auto-controlled circuit breaker n sub-gate circuit is often opened electrical contact switch and is closed; connect circuit breaker n separating brake secondary circuit; switching winding action; circuit breaker n moving contact is made to hightail fixed contact; cut off the electricity supply, fundamental diagram.
Figure grade illustrates:
The infrared thermographic wide-angle camera of 1-; The infrared temperature-sensitive imaging sensor of 2-; The infrared temperature-sensitive ray of 3-; 4-optical fiber; 5-main transformer; 6-main transformer high-voltage side outlet wire; 7-main transformer low-voltage side outlet; 8-lightning arrester; 9-sleeve pipe; 10-isolation switch; 11-circuit breaker; 12-instrument transformer; 13-bus; 14-capacitor; 15-wire clamp; 16-equipment mounting rod; The infrared temperature-sensitive imaging processor of 17-; 18-PLC control module; 19-switching winding secondary circuit often opens electrical contact switch; 20-breaker open operation coil; 21-moving contact of breaker; 22-circuit breaker static contact.
Embodiment
Below in conjunction with drawings and Examples, the present invention will be further described.
This enforcement provides a kind of infrared temperature-sensitive protective device of high voltage device of transformer station, as shown in Figure 1, comprises infrared heat-sensing device, circuit breaker, breaker open operation coil secondary control loop, control module and optical fiber, described infrared heat-sensing device comprises being arranged in transformer station and can rotating at certain angle and carry out the infrared thermographic wide-angle camera of thermographic scanning, infrared temperature-sensitive imaging sensor and infrared temperature-sensitive imaging processor to the power high voltage equipment run in transformer station, the output of described infrared thermographic wide-angle camera is electrically connected at the input of described infra-red heat dependent sensor, the output of described infra-red heat dependent sensor is electrically connected at the input of the indoor described infrared temperature-sensitive imaging processor of distant place Background control by optical fiber, the output of described infrared temperature-sensitive imaging processor is electrically connected at the input of described control module, the output of described control module is electrically connected at the input of described breaker open operation coil secondary control loop, output and the described circuit breaker of described breaker open operation coil secondary control loop are electrical connected, fixed contact is hightailed in order to control moving contact of breaker, the separating brake action of cutting off the electricity supply.
In the present embodiment, the quantity of described infrared thermographic wide-angle camera is more than or equal to 1.As an infrared thermographic wide-angle camera because installation site limits, available protecting cannot be carried out to Outdoor Trusses For Transformer Substation about needing the power high voltage equipment of thermographic, then can set up many.
In the present embodiment, in described transformer station, the power high voltage equipment of motion comprises transformer, circuit breaker, sleeve pipe, instrument transformer, capacitor, lightning arrester, isolating switch, equipment wiring, wire clamp and bus.These power high voltage equipment are in operation, due to electricity, magnetic action, heat can be produced, especially when there is the pernicious overheating fault of burst, heat can sharply rise, as disengagement failure device power supply (DPS) not in time, fault point is kept apart, will equipment burnout be caused, sharply expand fault coverage, seriously jeopardize the serious accident of staff's personal safety and electric power netting safe running.
In the present embodiment, described control module comprises PLC and computer processor, described control module is in order to control breaker open operation when dissimilar power high voltage equipment happens suddenly pernicious overheating fault, under different weather meteorological condition, infrared temperature-sensitive imaging signal carries out attenuation compensation, and power high voltage equipment is arranged on different distance, different angles to carry out revising to infrared temperature-sensitive imaging receiver signal and compensates.Due to control module in advance design programming have the burst pernicious overheating fault temperature thermosensitive temperature-sensing imaging series standard imaging signal values of dissimilar power high voltage equipment in transformer station, control module transmits by infrared temperature-sensitive imaging processor the thermographic video signal of coming by receiving, carry out analyses and comparison with the pernicious overheating fault temperature thermosensitive temperature-sensing imaging series standard imaging signal values of burst to process, when certain power high voltage equipment or high-voltage conducting wires in transformer station, wire clamp, when there is the pernicious overheating fault of burst in joint, its temperature-sensitive temperature-sensitive image spectrum signal exceedes settings, control module auto-controlled circuit breaker trip(ping) circuit action, moving contact in circuit breaker is thrown off rapidly in the fixed contact of "on" position, cut off the electricity supply, the expansion of Accident prevention, the safe operation of powerful guarantee field personnel personal safety and electrical network.Simultaneously control module also in advance design programming have for DIFFERENT METEOROLOGICAL CONDITIONS (like rain, snow, haze etc.), be arranged on different distance, different angles power high voltage equipment etc. to software programs such as the interference of infrared temperature-sensitive imaging signal, decay and compensation.
In the present embodiment, described circuit breaker comprises moving contact and fixed contact, in order to the "on" position that realizes circuit breaker energize power supply and the gate-dividing state of cutting off the electricity supply.
In the present embodiment, described breaker open operation coil secondary control loop comprises normally closed electrical contact switch and switching winding, in order to control the operating state of described breaker open operation coil secondary circuit state.
In the present embodiment, as shown in figs 2-4, a kind of application method of infrared temperature-sensitive protective device of high voltage device of transformer station, comprises the following steps:
Step S1: the following program software of design programming in control module:
(1) dissimilar in design programming transformer station power high voltage equipment: main transformer 5, circuit breaker 11, sleeve pipe 9, instrument transformer 12, capacitor 14, lightning arrester 8, isolation switch 10, bus 13, and equipment outlet 6,7, the burst pernicious overheating fault normal video collection of illustrative plates program of joint, wire clamp 15.
(2) design programming DIFFERENT METEOROLOGICAL CONDITIONS, causes correction and the compensation software program of interference, decay etc. to infrared temperature-sensitive imaging receiver signal like rain, the weather such as snow, haze;
(3) design programming power high voltage equipment is arranged on different distance, different angles to the correction of infrared temperature-sensitive imaging receiver signal, compensation software program;
Step S2: the infrared heat-sensing device opening converting station electric power high-tension apparatus, infrared thermographic wide-angle camera 1 slowly rotates at certain angle and carries out scanning temperature-sensitive thermographic to the power high voltage equipment run relevant in transformer station, realize wide-angle and large-arealy initiatively receive power high voltage equipment thermographic ray 3, obtaining thermographic signal;
Step S3: described thermographic signal is transferred to the infrared temperature-sensitive imaging processor 17 on distant place control centre backstage by infrared temperature-sensitive imaging sensor 2 by optical fiber 4;
Step S4: infrared temperature-sensitive imaging processor 17 is resent to PLC control module 18 by being transmitted by infrared temperature-sensitive imaging sensor 2 after the infrared temperature-sensitive imaging signal come converts digital signal to;
Step S5: control module 18 to be compared to the thermographic digital signal received according to the software program of design programming in advance and analyzed judgement, when in transformer station there is the pernicious overheating fault of burst in certain power high voltage equipment, its temperature-sensitive temperature-sensitive image spectrum signal exceedes settings, the secondary circuit of the rapid auto-controlled circuit breaker switching winding 20 of control module 18 energy is often opened electrical contact switch 19 and is closed, connect the secondary circuit of switching winding 20, switching winding 20 action, moving contact 21 in circuit breaker 11 is thrown off rapidly in the fixed contact 22 of "on" position, cut off the electricity supply, the expansion of Accident prevention, the safe operation of powerful guarantee field personnel personal safety and electrical network.
The foregoing is only preferred embodiment of the present invention, all equalizations done according to the present patent application the scope of the claims change and modify, and all should belong to covering scope of the present invention.
Claims (7)
1. an infrared temperature-sensitive protective device for high voltage device of transformer station, is characterized in that: comprise infrared heat-sensing device, circuit breaker, breaker open operation coil secondary control loop, control module and optical fiber, described infrared heat-sensing device comprises being arranged in transformer station and can rotating at certain angle and carry out the infrared thermographic wide-angle camera of thermographic scanning, infrared temperature-sensitive imaging sensor and infrared temperature-sensitive imaging processor to the power high voltage equipment run in transformer station, the output of described infrared thermographic wide-angle camera is electrically connected at the input of described infra-red heat dependent sensor, the output of described infra-red heat dependent sensor is electrically connected at the input of the indoor described infrared temperature-sensitive imaging processor of distant place Background control by optical fiber, the output of described infrared temperature-sensitive imaging processor is electrically connected at the input of described control module, the output of described control module is electrically connected at the input of described breaker open operation coil secondary control loop, output and the described circuit breaker of described breaker open operation coil secondary control loop are electrical connected, fixed contact is hightailed in order to control moving contact of breaker, the separating brake action of cutting off the electricity supply.
2. the infrared temperature-sensitive protective device of a kind of high voltage device of transformer station according to claim 1, is characterized in that: the quantity of described infrared thermographic wide-angle camera is more than or equal to 1.
3. the infrared temperature-sensitive protective device of a kind of high voltage device of transformer station according to claim 1, is characterized in that: in described transformer station, the power high voltage equipment of motion comprises transformer, circuit breaker, sleeve pipe, instrument transformer, capacitor, lightning arrester, isolating switch, equipment wiring, wire clamp and bus.
4. the infrared temperature-sensitive protective device of a kind of high voltage device of transformer station according to claim 1; it is characterized in that: described control module comprises PLC and computer processor; described control module is in order to control breaker open operation when dissimilar power high voltage equipment happens suddenly pernicious overheating fault; under different weather meteorological condition, infrared temperature-sensitive imaging signal carries out attenuation compensation, and power high voltage equipment is arranged on different distance, different angles to carry out revising to infrared temperature-sensitive imaging receiver signal and compensates.
5. the infrared temperature-sensitive protective device of a kind of high voltage device of transformer station according to claim 1, is characterized in that:
Described circuit breaker comprises moving contact and fixed contact, in order to the "on" position that realizes circuit breaker energize power supply and the gate-dividing state of cutting off the electricity supply.
6. the infrared temperature-sensitive protective device of a kind of high voltage device of transformer station according to claim 1, is characterized in that:
Described breaker open operation coil secondary control loop comprises normally closed electrical contact switch and switching winding, in order to control the operating state of described breaker open operation coil secondary circuit state.
7. an application method for the infrared temperature-sensitive protective device of high voltage device of transformer station as claimed in claim 1, is characterized in that: comprise the following steps:
Step S1: the infrared heat-sensing device opening converting station electric power high-tension apparatus, infrared thermographic wide-angle camera slowly rotates at certain angle and carries out scanning temperature-sensitive thermographic to the power high voltage equipment run relevant in transformer station, realizes wide-angle and large-arealy initiatively receives power high voltage equipment thermographic signal;
Step S2: described thermographic signal is transmitted through the fiber to the infrared temperature-sensitive imaging processor on distant place control centre backstage by infrared temperature-sensitive imaging sensor;
Step S3: infrared temperature-sensitive imaging processor is resent to control module by being transmitted by infrared temperature-sensitive imaging sensor after the infrared temperature-sensitive imaging signal come converts digital signal to;
Step S4: control module is compared to the thermographic digital signal received and analyzed judgement, when there is the pernicious overheating fault of burst in the arbitrary power high voltage equipment in transformer station, its temperature-sensitive temperature-sensitive image spectrum signal exceedes settings, the action of control module auto-controlled circuit breaker switching winding secondary control loop, moving contact in circuit breaker is thrown off in the fixed contact of "on" position, cuts off the electricity supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610092541.0A CN105529684B (en) | 2016-02-19 | 2016-02-19 | The infrared temperature-sensitive protective device and application method of a kind of high voltage device of transformer station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610092541.0A CN105529684B (en) | 2016-02-19 | 2016-02-19 | The infrared temperature-sensitive protective device and application method of a kind of high voltage device of transformer station |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105529684A true CN105529684A (en) | 2016-04-27 |
| CN105529684B CN105529684B (en) | 2018-04-13 |
Family
ID=55771751
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610092541.0A Active CN105529684B (en) | 2016-02-19 | 2016-02-19 | The infrared temperature-sensitive protective device and application method of a kind of high voltage device of transformer station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105529684B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107834512A (en) * | 2017-12-11 | 2018-03-23 | 国网福建省电力有限公司 | A kind of electric power SF6 main transformer non-charges protection device and guard method |
| CN109449881A (en) * | 2018-12-17 | 2019-03-08 | 国网福建省电力有限公司 | A kind of converting station electric power high-tension apparatus overheating protection error-proof device and control method |
| CN109520622A (en) * | 2018-12-17 | 2019-03-26 | 国网福建省电力有限公司 | A kind of converting station electric power high-tension apparatus overheating protection error-proof device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05108992A (en) * | 1991-10-16 | 1993-04-30 | Meidensha Corp | Device for detecting abnormal over heat of conductor |
| CN101644736A (en) * | 2009-09-08 | 2010-02-10 | 河南省电力公司平顶山供电公司 | Internal operation image real-time monitoring system for high-voltage electric apparatus |
| CN103674263A (en) * | 2013-11-28 | 2014-03-26 | 国家电网公司 | Temperature measuring device for remote video system for substation |
| CN104681367A (en) * | 2015-02-11 | 2015-06-03 | 国家电网公司 | Automatic tripping device and method adopting optical-fiber infrared control over thermal failure of power isolating switch |
| CN204464956U (en) * | 2015-04-03 | 2015-07-08 | 国家电网公司 | A kind of infrared optical fiber automatic trip protective device of dry-type transformer hot stall |
-
2016
- 2016-02-19 CN CN201610092541.0A patent/CN105529684B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05108992A (en) * | 1991-10-16 | 1993-04-30 | Meidensha Corp | Device for detecting abnormal over heat of conductor |
| CN101644736A (en) * | 2009-09-08 | 2010-02-10 | 河南省电力公司平顶山供电公司 | Internal operation image real-time monitoring system for high-voltage electric apparatus |
| CN103674263A (en) * | 2013-11-28 | 2014-03-26 | 国家电网公司 | Temperature measuring device for remote video system for substation |
| CN104681367A (en) * | 2015-02-11 | 2015-06-03 | 国家电网公司 | Automatic tripping device and method adopting optical-fiber infrared control over thermal failure of power isolating switch |
| CN204464956U (en) * | 2015-04-03 | 2015-07-08 | 国家电网公司 | A kind of infrared optical fiber automatic trip protective device of dry-type transformer hot stall |
Non-Patent Citations (1)
| Title |
|---|
| 朱利明: "动态实时红外热成像温度在线监测系统", 《云南电力技术》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107834512A (en) * | 2017-12-11 | 2018-03-23 | 国网福建省电力有限公司 | A kind of electric power SF6 main transformer non-charges protection device and guard method |
| CN107834512B (en) * | 2017-12-11 | 2023-09-15 | 国网福建省电力有限公司 | Power SF6 main transformer non-electric quantity protection device and protection method |
| CN109449881A (en) * | 2018-12-17 | 2019-03-08 | 国网福建省电力有限公司 | A kind of converting station electric power high-tension apparatus overheating protection error-proof device and control method |
| CN109520622A (en) * | 2018-12-17 | 2019-03-26 | 国网福建省电力有限公司 | A kind of converting station electric power high-tension apparatus overheating protection error-proof device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105529684B (en) | 2018-04-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR101587530B1 (en) | Total safety management system for a distributing board capable of remote management with multiple safety device and monitoring device | |
| CN201846069U (en) | Arc light protector | |
| CN109038511B (en) | High-voltage cabinet cable compartment protection system and method based on photo-thermal early warning and arc transfer | |
| CN109489828B (en) | Online inspection method for infrared temperature sensing device of unmanned aerial vehicle power equipment | |
| JP2013530664A (en) | Method and photovoltaic installation for limiting the generator voltage of photovoltaic installations in hazardous situations | |
| CN104681367B (en) | The optical fiber infrared of power disconnecting switch hot stall controls trip free device and method | |
| WO2021095283A1 (en) | Digital electric safety control system | |
| CN105633910B (en) | A kind of power high voltage Intelligent switch cabinet non-electricity protecting device and control method | |
| CN105717944A (en) | Unmanned plane device with high-voltage equipment intelligent avoidance function and application method thereof | |
| CN105529684A (en) | Infrared thermosensitive protection apparatus for substation high-voltage equipment and operating method | |
| CN105606227B (en) | Power high voltage switchgear thermal fault thermal imaging wireless remote control alarm and application method | |
| CN109470368A (en) | A kind of online checking system of the infrared temperature sensing device of unmanned plane power equipment | |
| CN110137906B (en) | Infrared monitoring anti-error protection method for parallel array of power equipment of transformer substation | |
| CN105758526A (en) | Unmanned plane device with function of giving alarm against overheating of high-voltage equipment, and application method | |
| KR101510676B1 (en) | Intelligent discharge monitoring vision system for electric distributing board | |
| CN105575067A (en) | Wide-angle thermal imaging wireless alarm device of unattended substation and working method | |
| CN104466927B (en) | End security protection and control device and its control method | |
| CN109449881A (en) | A kind of converting station electric power high-tension apparatus overheating protection error-proof device and control method | |
| CN206524622U (en) | A kind of fast arc extinction device | |
| CN204464807U (en) | A kind of Novel high tension switchgear | |
| CN109520622A (en) | A kind of converting station electric power high-tension apparatus overheating protection error-proof device | |
| CN204461609U (en) | The infrared remote wired alarming device of high voltage isolator hot stall | |
| CN204461610U (en) | The optical fiber infrared radio remote warning device of power high voltage disconnector hot stall | |
| CN204595140U (en) | A kind of interior distribution device ground connection audible-visual annunciator | |
| CN114552401A (en) | Intelligent protection device and protection method for surge protection device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |