CN110600244A - Real-time online hot spot detection device of air-core reactor - Google Patents
Real-time online hot spot detection device of air-core reactor Download PDFInfo
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- CN110600244A CN110600244A CN201910889327.1A CN201910889327A CN110600244A CN 110600244 A CN110600244 A CN 110600244A CN 201910889327 A CN201910889327 A CN 201910889327A CN 110600244 A CN110600244 A CN 110600244A
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- 238000001514 detection method Methods 0.000 title claims abstract description 48
- 238000004804 winding Methods 0.000 claims abstract description 24
- 239000000523 sample Substances 0.000 claims abstract description 10
- 230000017525 heat dissipation Effects 0.000 claims abstract description 5
- 230000005540 biological transmission Effects 0.000 claims description 12
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims description 3
- 230000000087 stabilizing effect Effects 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 abstract description 4
- 230000007547 defect Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000004593 Epoxy Substances 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
Classifications
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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
- H01F27/28—Coils; Windings; Conductive connections
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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
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/2876—Cooling
-
- 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
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/30—Fastening or clamping coils, windings, or parts thereof together; Fastening or mounting coils or windings on core, casing, or other support
- H01F27/303—Clamping coils, windings or parts thereof together
-
- 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
- H01F27/40—Structural association with built-in electric component, e.g. fuse
- H01F27/402—Association of measuring or protective means
-
- 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
- H01F27/40—Structural association with built-in electric component, e.g. fuse
- H01F27/402—Association of measuring or protective means
- H01F2027/406—Temperature sensor or protection
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Measurement Of Current Or Voltage (AREA)
Abstract
A real-time online hot spot detection device for an air reactor comprises an air reactor winding, wherein the air reactor winding is formed by connecting a plurality of envelopes in parallel, a plurality of supporting strips are connected between every two adjacent envelopes, a heat dissipation air passage is formed between every two adjacent envelopes, each envelope and the adjacent supporting strips form a winding, each envelope and the adjacent supporting strips are connected in parallel to form a coil, an upper wire outlet arm and a lower wire outlet arm are respectively arranged at the upper end and the lower end of the coil, and the winding, the upper wire outlet arm and the lower wire outlet arm form an air reactor coil; and a temperature probe is arranged at the height position of each encapsulated hot point, and an energy-taking coil is arranged at the upper part of the air reactor winding. The detection device effectively solves the power supply problem of real-time online detection of the high-voltage end detection equipment of the high-voltage air-core reactor, and compared with other detection power supplies, the detection device is free of maintenance, long in service life and high in power; meanwhile, the protection problem of the air reactor is effectively solved through hot spot real-time online detection, fault points can be effectively and timely found, the accident rate is reduced, and the reliability of the system is improved.
Description
Technical Field
The invention relates to the field of power systems, in particular to a real-time online hot spot detection device for an air reactor.
Background
Chinese patent document No. CN206250031U discloses a multi-tap epoxy cast air reactor in 2017, 6 months and 13 days, which includes: the outer cylinder comprises an outer cylinder body, an opening part is arranged on the outer cylinder body along the axial direction of the outer cylinder body, a limiting part is arranged on the opening part of the outer cylinder body in an extending mode, and epoxy resin is filled in the outer cylinder; the insulating inner cylinder is sleeved in the outer cylinder body and is coaxially arranged; the multi-turn coil is sleeved on the insulating inner cylinder and is arranged in a stacked mode along the axial direction of the insulating inner cylinder, and a tap of the multi-turn coil penetrates through the opening part of the outer cylinder body; and the insulating cushion block is arranged between any two adjacent coils, and a connecting piece is arranged between the insulating cushion block and the insulating inner cylinder. The air reactor is insulated by resin, so that the air reactor has poor weather resistance and high failure rate; moreover, due to the peculiar multi-branch parallel structure of the air reactor, the traditional relay protection mode cannot effectively protect, the hot point temperature rise detection is the most effective monitoring method at present, the real-time online detection at the high-voltage end is always a difficult point for detecting the power supply, and the existing battery power supply mode has the defects of overhigh environmental temperature of the battery, short service life, frequent replacement, large replacement workload, high use cost, overhigh environmental temperature of the detection device, high manufacturing cost and limited reliability, and simultaneously influences the utilization rate of the air reactor.
Therefore, further improvements are needed.
Disclosure of Invention
The invention aims to provide a real-time online hot spot detection device for an air reactor, which has the advantages of simple structure, low failure rate, wide application range and strong practicability, and overcomes the defects in the prior art.
The air reactor real-time online hot spot detection device designed according to the purpose comprises an air reactor winding and is characterized in that: the air reactor winding is formed by connecting a plurality of envelopes in parallel, a plurality of supporting strips are connected between every two adjacent envelopes, a heat-radiating air passage is formed between every two envelopes through the supporting strips, each envelope and the adjacent supporting strips form a winding, the envelopes are connected in parallel to form a coil, an upper wire outlet arm and a lower wire outlet arm are respectively arranged at the upper end and the lower end of the coil, and the winding, the upper wire outlet arm and the lower wire outlet arm form an air reactor coil; and a temperature probe is arranged at the height position of each encapsulated hot point, and an energy-taking coil is arranged at the upper part of the air reactor winding.
The upper outgoing line arm is provided with a detection transmission module, and the energy taking coil, the temperature probe and the detection transmission module form the real-time online hotspot detection device.
The detection transmission module comprises a first submodule, a second submodule and a third submodule, wherein the first submodule is used for rectifying, filtering and stabilizing voltage of the energy taking coil and generating a working power supply of the detection device, the second submodule is used for collecting temperature data of each temperature probe, and the third submodule is used for wirelessly uploading hot spot temperature data.
The energy taking coil is an air coil and is arranged on the upper wire outlet arm.
The outer diameter and the height of the energy-taking coil are both less than or equal to 100 mm.
The energy taking coil and the air reactor are in electromagnetic coupling.
And the upper outgoing line arm and the lower outgoing line arm are respectively provided with an incoming and outgoing line connecting terminal.
The air reactor real-time online hotspot detection device effectively solves the problem of power supply real-time online detection of high-voltage end detection equipment of the high-voltage air reactor, is maintenance-free, long in service life and high in power compared with other detection power supplies, and does not influence the utilization rate of the air reactor; meanwhile, the protection problem of the air reactor is effectively solved through hot spot real-time online detection, fault points can be effectively and timely found, the accident rate is reduced, the reliability of the system is improved, and the air reactor protection system has the advantages of being simple in structure, low in fault rate, wide in application range and high in practicability.
Drawings
Fig. 1 is a top view of an air-core reactor real-time online hot spot detection device in an embodiment of the present invention.
Fig. 2 is a front view of an air-core reactor real-time online hot spot detection device in an embodiment of the invention.
Detailed Description
The invention is further described with reference to the following figures and examples.
Referring to fig. 1 and 2, the real-time online hot spot detection device for the air reactor comprises an air reactor winding 5, wherein the air reactor winding 5 is formed by connecting a plurality of envelopes 1 in parallel, a plurality of supporting bars 2 are connected between every two adjacent envelopes 1, a heat dissipation air passage is formed between every two adjacent envelopes 1 through the supporting bars 2, each envelope 1 and the adjacent supporting bar 2 form a winding, each envelope 1 is connected in parallel to form a coil, an upper wire outlet arm 3 and a lower wire outlet arm 8 are respectively arranged at the upper end and the lower end of the coil, and the winding, the upper wire outlet arm 3 and the lower wire outlet arm 8 form an air reactor coil; a temperature probe 6 is arranged at the height position of a hot spot of each packaging 1, and an energy-taking coil 7 is arranged at the upper part of the air-core reactor winding 5. The air-core reactor winding 5 is an electric multi-branch circuit, a parallel structure is adopted among all branch circuits, the winding layers are axially connected in parallel to form winding packages 1, the winding packages 1 are connected in parallel to form coils, all parallel branch circuits converge to the wire outlet arms at the upper end and the lower end of each coil, and the end voltage of the reactor is distributed between the upper wire outlet arm 3 and the lower wire outlet arm 8; the heat productivity, the heat dissipation area and the heat dissipation condition of each package 1 are different, and the average temperature rise and the hot spot temperature rise of each package 1 are different.
The upper outgoing line arm 3 is provided with a detection transmission module 4, and the energy-taking coil 7, the temperature probe 6 and the detection transmission module 4 form the real-time online hotspot detection device.
The detection transmission module 4 comprises a first submodule, a second submodule and a third submodule, wherein the first submodule is connected with an energy-taking power supply, overshoots are inhibited on the power supply provided by the energy-taking coil 7, and then rectification, filtering and voltage stabilization are carried out to form a stable direct-current working power supply; the second submodule is used for acquiring temperature data of each temperature probe 6, and the third submodule is used for processing hotspot temperature data in real time and uploading the hotspot temperature data in a wireless mode in real time.
The energy-taking coil 7 is an air core coil and is arranged on the upper wire outlet arm 3, and the energy-taking coil 7 provides measurement and signal transmission power for the device and can provide 200W alternating current power.
The outer diameter and the height of the energy-taking coil 7 are both less than or equal to 100 mm.
The energy-taking coil 7 and the air reactor are in electromagnetic coupling and generate induced potential, a stable direct-current detection power supply is generated in the detection transmission module 4, the energy-taking coil 7 and the detection transmission module 4 are both arranged at the position where the temperature of the upper wire outlet arm 3 is lower, and the whole real-time online detection device is low in manufacturing cost, free of maintenance, high in reliability, large in data transmission range, small in operation and maintenance workload and low in operation and maintenance cost.
The upper outgoing line arm 3 and the lower outgoing line arm 8 are respectively provided with an incoming and outgoing line connecting terminal.
The foregoing is a preferred embodiment of the present invention, and the basic principles, principal features and advantages of the invention are shown and described. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are intended to illustrate the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, and the invention is intended to be protected by the following claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. The utility model provides a real-time online hot spot detection device of air-core reactor, includes air-core reactor winding (5), its characterized in that: the air reactor winding (5) is formed by connecting a plurality of envelopes (1) in parallel, a plurality of supporting strips (2) are connected between every two adjacent envelopes (1), a heat dissipation air passage is formed between every two envelopes (1) through the supporting strips (2), each envelope (1) and the adjacent supporting strips (2) form a winding, the envelopes (1) are connected in parallel to form a coil, the upper end and the lower end of the coil are respectively provided with an upper wire outlet arm (3) and a lower wire outlet arm (8), and the winding, the upper wire outlet arm (3) and the lower wire outlet arm (8) form an air reactor coil; a temperature probe (6) is arranged at the height position of a hot point of each envelope (1), and an energy-taking coil (7) is arranged at the upper part of the air-core reactor winding (5).
2. The air reactor real-time online hot spot detection device according to claim 1, characterized in that: the upper outgoing line arm (3) is provided with a detection transmission module (4), and the energy-taking coil (7), the temperature probe (6) and the detection transmission module (4) form the real-time online hot spot detection device.
3. The air reactor real-time online hot spot detection device according to claim 2, characterized in that: the detection transmission module (4) comprises a first submodule, a second submodule and a third submodule, wherein the first submodule is used for rectifying, filtering and stabilizing voltage of the energy taking coil and generating a working power supply of the detection device, the second submodule is used for collecting temperature data of each temperature probe (6), and the third submodule is used for wirelessly uploading hot spot temperature data.
4. The air reactor real-time online hot spot detection device according to claim 1, characterized in that: the energy taking coil (7) is an air coil and is arranged on the upper wire outlet arm (3).
5. The air reactor real-time online hot spot detection device according to claim 4, characterized in that: the outer diameter and the height of the energy-taking coil (7) are both less than or equal to 100 mm.
6. The air reactor real-time online hot spot detection device according to claim 5, characterized in that: the energy taking coil (7) and the air reactor are in electromagnetic coupling.
7. The air reactor real-time online hot spot detection device according to any one of claims 1 to 6, characterized in that: and the upper outgoing line arm (3) and the lower outgoing line arm (8) are respectively provided with an incoming and outgoing line wiring terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910889327.1A CN110600244A (en) | 2019-09-19 | 2019-09-19 | Real-time online hot spot detection device of air-core reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910889327.1A CN110600244A (en) | 2019-09-19 | 2019-09-19 | Real-time online hot spot detection device of air-core reactor |
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| Publication Number | Publication Date |
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| CN110600244A true CN110600244A (en) | 2019-12-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201910889327.1A Pending CN110600244A (en) | 2019-09-19 | 2019-09-19 | Real-time online hot spot detection device of air-core reactor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115032482A (en) * | 2022-06-06 | 2022-09-09 | 国网四川省电力公司眉山供电公司 | Dry-type electric reactor state detection equipment based on multiple state quantities and use method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104155556A (en) * | 2014-08-30 | 2014-11-19 | 秦皇岛有源理工科技开发有限公司 | Dry-type air-core reactor online monitoring device and loss monitoring method |
| WO2016003376A1 (en) * | 2014-06-30 | 2016-01-07 | Arifoğlu Uğur | Multi layered air core reactor design method |
| CN107131968A (en) * | 2017-06-30 | 2017-09-05 | 深圳供电局有限公司 | Temperature monitoring device and method for dry-type air-core reactor |
| CN109036808A (en) * | 2018-07-24 | 2018-12-18 | 南方电网科学研究院有限责任公司 | Composite insulation structure of air-core reactor |
| CN109375076A (en) * | 2018-11-28 | 2019-02-22 | 周超超 | A kind of on-line monitoring method for dry-type air-core reactor turn-to-turn insulation failure |
| CN210628068U (en) * | 2019-09-19 | 2020-05-26 | 顺特电气设备有限公司 | Real-time online hot spot detection device of air-core reactor |
-
2019
- 2019-09-19 CN CN201910889327.1A patent/CN110600244A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016003376A1 (en) * | 2014-06-30 | 2016-01-07 | Arifoğlu Uğur | Multi layered air core reactor design method |
| CN104155556A (en) * | 2014-08-30 | 2014-11-19 | 秦皇岛有源理工科技开发有限公司 | Dry-type air-core reactor online monitoring device and loss monitoring method |
| CN107131968A (en) * | 2017-06-30 | 2017-09-05 | 深圳供电局有限公司 | Temperature monitoring device and method for dry-type air-core reactor |
| CN109036808A (en) * | 2018-07-24 | 2018-12-18 | 南方电网科学研究院有限责任公司 | Composite insulation structure of air-core reactor |
| CN109375076A (en) * | 2018-11-28 | 2019-02-22 | 周超超 | A kind of on-line monitoring method for dry-type air-core reactor turn-to-turn insulation failure |
| CN210628068U (en) * | 2019-09-19 | 2020-05-26 | 顺特电气设备有限公司 | Real-time online hot spot detection device of air-core reactor |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115032482A (en) * | 2022-06-06 | 2022-09-09 | 国网四川省电力公司眉山供电公司 | Dry-type electric reactor state detection equipment based on multiple state quantities and use method thereof |
| CN115032482B (en) * | 2022-06-06 | 2023-02-28 | 国网四川省电力公司眉山供电公司 | Dry-type electric reactor state detection equipment based on multiple state quantities and use method thereof |
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