CN101226816B - Epoxy mould dry type vibration reduction denoise iron core shunt reactor - Google Patents
Epoxy mould dry type vibration reduction denoise iron core shunt reactor Download PDFInfo
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- CN101226816B CN101226816B CN2007101712164A CN200710171216A CN101226816B CN 101226816 B CN101226816 B CN 101226816B CN 2007101712164 A CN2007101712164 A CN 2007101712164A CN 200710171216 A CN200710171216 A CN 200710171216A CN 101226816 B CN101226816 B CN 101226816B
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Abstract
An epoxy resin cast dry-type vibration-damping and noise-reducing iron core paralleling reactor comprises a iron core, a wire circle and a vibration-damping and a noise-reducing device, wherein the iron core is composed of upper and lower yokes and three phase core limbs. The upper and lower yokes are respectively clamped by clips, the centre of the center circles of the upper and lower yokes is utilized as benchmark, the iron core is arranged on the lower yoke along the direction of the 120 DEG included angle of the three phase core limbs with Chinese character 'pin' type, the wire circle is coated on the three phase core limbs and the iron is connected with the vibration-damping and noise-reducing device. The invention changes the traditional '-' structure into the Chinese character 'pin' type, if casting dry-type product for the epoxy resin, simultaneously the structure of one wire circle of each phase is divided into a plurality of wire circles with upper independent, which increases the safety and reliability of operation, the invention adds pressing frames between the iron core and the elastic rubber cushion, the structure of which can better reduce vibration, decrease noise and has relatively good reliability.
Description
Technical field
The present invention relates to a kind of reactor of technical field of electricity, specifically is a kind of epoxy mould dry type vibration reduction denoise iron core shunt reactor.
Background technology
Along with developing rapidly of power industry, overhead transmission line and cable power transmission are more and more long, and electrical network is when unloaded and underloading, and leading reactive power increases, and brings drawbacks such as power-frequency voltage rising, loss increase.Shunt reactor is the leading reactive power that is used for compensated line, and the rising of restriction system power-frequency voltage and switching overvoltage reduce line loss etc., is the visual plant that improves the operation of power networks quality.The epoxy cast dry iron core shunt reactor adopts "-" font structure usually and use more at present, has problems such as vibration is big, noise is high, the consumption of iron conjugated material is big.
Literature search through prior art is found, Chinese patent application number is 95209200.X, name is called: the resin-insulated dry iron core shunt reactor, this patent readme is: " a kind of iron core shunt reactor of mainly forming; the last lower yoke of iron core is used the folder from top to bottom clamping respectively; the stem of iron core is to be overlapping and the clamping plate clamping is arranged by a plurality of discuses and gap-gas segregating ring, is connected with ground strip between the discus by unshakable in one's determination and coil; Pad is placed between folder and the coil, it is characterized in that: the discus outer surface has one deck resin-encapsulate layer, and whole stem appearance has resin composite body, and outer surface unshakable in one's determination has one deck resin-encapsulate layer; Be resin composite body between the surfaces externally and internally of coil, upper and lower end parts and the conductor, the side surface of coil has fixing outlet terminal; Insulator is fixed on the folder; Dismountable and have the lead-in wire of insulating coating to connect outlet terminal and electrically isolate from." but this shunt reactor still can't solve the above problems, and still has problems such as vibrations are big, noise is high, the consumption of iron conjugated material is big.
Summary of the invention
The objective of the invention is deficiency at the prior art existence, a kind of epoxy mould dry type vibration reduction denoise iron core shunt reactor is provided, make it cooperate vibration and noise reducing device and cracking resistance coil simultaneously, can realize 3 phase magnetic circuit balances, vibration is little, noise is low, the consumption of iron conjugated material less, target such as the low operation of little, the cost of loss is more safe and reliable.
The present invention is achieved by the following technical solutions, the present invention includes: contain iron core, folder, the reactor device body of coil, vibration and noise reducing device, annexation is: contain iron core, folder, the iron core of the reactor device body of coil is made of last lower yoke and three-phase stem, last lower yoke is used the folder clamping respectively, more than, the lower yoke center circle center of circle is a benchmark, angle is that 120 ° of directions are arranged on the lower yoke in a triangle between the three-phase stem unshakable in one's determination, coil is enclosed within on the three-phase stem, contains iron core, folder, the reactor device body of coil is connected with vibration and noise reducing device.
Described vibration and noise reducing device comprises: press frame, elastic rubber fitting, base, described pressure frame is connected with iron core, the folder of the reactor device body that contains iron core, folder, coil, presses between frame and the base elastic rubber fitting is set, and base is connected with the pressure frame.
Described pressure frame is between the iron core and elastic rubber fitting of the reactor device body that contains iron core, folder, coil.
Described coil is epoxy casting formula or non-epoxy cast-type (dry type coil or other oil immersed type coil).
Described three-phase stem is stacked, radiant type or other architecture of making of silicon steel sheet.
The described lower yoke of going up is that the silicon steel sheet coiling forms.
The head end of three coils of the present invention is received A, B, the C phase of three-phase power circuit respectively, and the end of three coils ground connection that connects together is in order to the capacitance current of compensated line.Because the three-phase stem has adopted " product " font structure, can keep the three-phase magnetic circuit balance, cooperate above-mentioned vibration and noise reducing device (the dry type product can cooperate the cracking resistance coil simultaneously) simultaneously, better solved problems such as the reactor vibration is big, noise is high, the consumption of iron conjugated material big, security of operation.
Described cracking resistance coil, coil of its every phase by on the structure independently some mounting coils form, the lifting one's head of some coils behind the suit externally connects after drawing.
Compared with prior art, three-phase magnetic circuit of the present invention and reactance value balance, vibration is little, noise is low, the consumption of iron conjugated material less, advantages such as loss is little and cost is low, security of operation, good looking appearance.The present invention changes traditional " one " font structure into " product " font structure; The present invention is not fastenedly connected after directly not placing elastic rubber fitting between iron core, folder and the base, but between iron core and elastic rubber fitting, increase pressure frame (vibration and noise reducing device), such structure can better reduce vibration, to reach the reduction noise, as be the dry type product, cooperate the cracking resistance coil, strengthen reliability of products.
Description of drawings
Fig. 1 is a structural representation of the present invention
Fig. 2 is an embodiment of the invention coil structure
Fig. 3 is an embodiment of the invention general structure schematic diagram
Among the figure, unshakable in one's determination 1, coil 2, damping noise reduction device 3, upper yoke 4, lower yoke 5, three-phase stem 6, interior loop 7, exterior loop 8, lift one's head 9, press frame 10, elastic rubber fitting 11, base 12.
Embodiment
Below in conjunction with accompanying drawing embodiments of the invention are elaborated: present embodiment is being to implement under the prerequisite with the technical solution of the present invention, provided detailed execution mode and concrete operating process, but protection scope of the present invention is not limited to following embodiment.
As shown in figures 1 and 3, present embodiment comprises iron core 1, coil 2, damping noise reduction device 3, annexation is: described unshakable in one's determination 1 is made of upper yoke 4, lower yoke 5 and three-phase stem 6, upper yoke 4, lower yoke 5 are used the folder clamping respectively, with upper yoke 4, the lower yoke 5 center circle centers of circle is benchmark, angle is that 120 ° of directions are arranged on the lower yoke 5 in a triangle between the three-phase stem 6, and coil 2 is enclosed within on the three-phase stem 6, and unshakable in one's determination 1 is connected with damping noise reduction device 3.
Described damping noise reduction device 3 comprises: press frame 10, elastic rubber fitting 11, base 12, described pressure frame 10 is connected with iron core 1, folder, and base 12 is connected with pressure frame 10, presses between frame 10 and the base 12 elastic rubber fitting 11 is set.
Described pressure frame 10 is between iron core 1 and elastic rubber fitting 11.
Described elastic rubber fitting 11, the rubber cushion of making for silicone rubber pad or other elastomeric material.
Described pressure frame 10 is fastenedly connected by bolt or alternate manner with iron core 1, folder.
Connect by bolt or alternate manner between described base 12 and the pressure frame 10.
Described three-phase stem 6, its inner discus adopts traditional radiant type or laminated structure.
Described upper yoke 4 is pressed on the three-phase stem 6.
Described upper yoke 4, lower yoke 5 are reeled for silicon steel sheet and are formed.
Described coil is epoxy casting formula or non-epoxy cast-type coil.
As shown in Figure 2, in the present embodiment, described coil 2 is an epoxy casting formula coil, its each by structure independently two mounting coils constitute, be interior loop 7 and exterior loop 8, interior loop 7 and exterior loop 8 are carried out suit, and lifting one's head of interior loop 7 behind the suit and exterior loop 89 externally is connected after drawing.
Lifting one's head of described interior loop 7 and exterior loop 89 externally is connected by insulator after drawing or directly connects.
Described interior loop 7 and exterior loop 8 are the epoxy casting coil.
Described epoxy casting coil comprises band filler molded coil and is not with the filler molded coil.
Described epoxy casting coil strengthens with glass grid cloth or other glass fibre in the material of its epoxy casting.
The head end of three coils 2 of the present invention is received A, B, the C phase of three-phase power circuit respectively, and the end of three coils 2 ground connection that connects together is in order to the capacitance current of compensated line.Because three-phase stem 6 adopted " product " font structure, can keep the three-phase magnetic circuit balance, coil of every phase some coils independently on structure clash is are lifted one's head behind the suit and are introduced outside the connection simultaneously, can solve the problem that the cast-type coil ftractures easily; Increased the pressure frame, can solve better that vibration is big, noise is high.So the present invention has that three-phase magnetic circuit balance (three-phase reactance value balance) vibration is little, noise is low, the consumption of iron conjugated material less, loss is little and cost is low advantage, improved the fail safe and the reliability of operation.
Claims (7)
1. epoxy mould dry type vibration reduction denoise iron core shunt reactor, comprise iron core, coil, vibration and noise reducing device, iron core is made of upper and lower iron yoke and three-phase stem, upper and lower iron yoke is used the folder clamping respectively, coil is enclosed within on the three-phase stem, it is characterized in that, more than, the lower yoke center circle center of circle is benchmark, angle is that 120 ° of directions are arranged on the lower yoke in a triangle between the three-phase stem unshakable in one's determination, and iron core is connected with vibration and noise reducing device;
Described vibration and noise reducing device comprises: press frame, elastic rubber fitting, base, described pressure frame is connected with iron core, the folder of reactor, presses between frame and the base elastic rubber fitting is set.
2. epoxy mould dry type vibration reduction denoise iron core shunt reactor according to claim 1 is characterized in that: described iron core, folder, pressure frame connect by bolted, press frame to be connected with bolt with base.
3. epoxy mould dry type vibration reduction denoise iron core shunt reactor according to claim 1 and 2 is characterized in that: described pressure frame, and between iron core and elastic rubber fitting.
4. epoxy mould dry type vibration reduction denoise iron core shunt reactor according to claim 1 is characterized in that: described coil is epoxy casting formula or non-epoxy cast-type coil.
5. epoxy mould dry type vibration reduction denoise iron core shunt reactor according to claim 4, it is characterized in that: when described coil is the cast-type coil, its each by structure independently some mounting coils constitute, the lifting one's head of some coils behind the suit externally connects after drawing.
6. epoxy mould dry type vibration reduction denoise iron core shunt reactor according to claim 5 is characterized in that: the lifting one's head of described some coils externally connects or directly connects by insulator after drawing.
7. epoxy mould dry type vibration reduction denoise iron core shunt reactor according to claim 1 is characterized in that: the described lower yoke of going up is that the silicon steel sheet coiling forms.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101712164A CN101226816B (en) | 2007-11-29 | 2007-11-29 | Epoxy mould dry type vibration reduction denoise iron core shunt reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101712164A CN101226816B (en) | 2007-11-29 | 2007-11-29 | Epoxy mould dry type vibration reduction denoise iron core shunt reactor |
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| Publication Number | Publication Date |
|---|---|
| CN101226816A CN101226816A (en) | 2008-07-23 |
| CN101226816B true CN101226816B (en) | 2010-08-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007101712164A Active CN101226816B (en) | 2007-11-29 | 2007-11-29 | Epoxy mould dry type vibration reduction denoise iron core shunt reactor |
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| CN (1) | CN101226816B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103208357B (en) * | 2012-01-17 | 2016-01-06 | 中国电建集团上海能源装备有限公司 | For the antihunting device of reactor |
| ES2798303T3 (en) * | 2014-10-07 | 2020-12-10 | Abb Power Grids Switzerland Ag | Transformer for vehicle |
| CN105428040B (en) * | 2015-11-30 | 2017-06-16 | 许继集团有限公司 | A kind of iron core type split reactor |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2085554U (en) * | 1991-04-24 | 1991-09-25 | 北京科学技术开发交流中心 | Energy-saving drying type transformer and reactance |
| CN2245799Y (en) * | 1995-04-28 | 1997-01-22 | 顺德特种变压器厂 | Resin insulating dry iron core shunt reactor |
| CN2919480Y (en) * | 2006-07-12 | 2007-07-04 | 正泰电气股份有限公司 | Epoxide resin dry-type iron-core reactor |
-
2007
- 2007-11-29 CN CN2007101712164A patent/CN101226816B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2085554U (en) * | 1991-04-24 | 1991-09-25 | 北京科学技术开发交流中心 | Energy-saving drying type transformer and reactance |
| CN2245799Y (en) * | 1995-04-28 | 1997-01-22 | 顺德特种变压器厂 | Resin insulating dry iron core shunt reactor |
| CN2919480Y (en) * | 2006-07-12 | 2007-07-04 | 正泰电气股份有限公司 | Epoxide resin dry-type iron-core reactor |
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| CN101226816A (en) | 2008-07-23 |
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