CN108597788A - A kind of 220kV Three-phase oil immersion types hollow current-limiting reactor - Google Patents

A kind of 220kV Three-phase oil immersion types hollow current-limiting reactor Download PDF

Info

Publication number
CN108597788A
CN108597788A CN201810523718.7A CN201810523718A CN108597788A CN 108597788 A CN108597788 A CN 108597788A CN 201810523718 A CN201810523718 A CN 201810523718A CN 108597788 A CN108597788 A CN 108597788A
Authority
CN
China
Prior art keywords
phase
iron yoke
hollow
yoke
current
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.)
Pending
Application number
CN201810523718.7A
Other languages
Chinese (zh)
Inventor
张栋
范洪涛
石建
张永恒
刘力强
于素梅
谢京
程从明
程玉芳
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Baoding Tianwei Baobian Electric Co Ltd
Original Assignee
Baoding Tianwei Baobian Electric Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Baoding Tianwei Baobian Electric Co Ltd filed Critical Baoding Tianwei Baobian Electric Co Ltd
Priority to CN201810523718.7A priority Critical patent/CN108597788A/en
Publication of CN108597788A publication Critical patent/CN108597788A/en
Pending legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/24Magnetic cores
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/08Cooling; Ventilating
    • H01F27/085Cooling by ambient air
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/08Cooling; Ventilating
    • H01F27/10Liquid cooling
    • H01F27/12Oil cooling
    • H01F27/14Expansion chambers; Oil conservators; Gas cushions; Arrangements for purifying, drying, or filling
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/24Magnetic cores
    • H01F27/26Fastening parts of the core together; Fastening or mounting the core on casing or support
    • H01F27/263Fastening parts of the core together
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/28Coils; Windings; Conductive connections
    • H01F27/29Terminals; Tapping arrangements for signal inductances
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/28Coils; Windings; Conductive connections
    • H01F27/30Fastening or clamping coils, windings, or parts thereof together; Fastening or mounting coils or windings on core, casing, or other support
    • H01F27/303Clamping coils, windings or parts thereof together
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/28Coils; Windings; Conductive connections
    • H01F27/30Fastening or clamping coils, windings, or parts thereof together; Fastening or mounting coils or windings on core, casing, or other support
    • H01F27/306Fastening or mounting coils or windings on core, casing or other support
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/28Coils; Windings; Conductive connections
    • H01F27/32Insulating of coils, windings, or parts thereof
    • H01F27/324Insulation between coil and core, between different winding sections, around the coil; Other insulation structures
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/33Arrangements for noise damping
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F37/00Fixed inductances not covered by group H01F17/00

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Regulation Of General Use Transformers (AREA)

Abstract

The present invention relates to a kind of 220kV Three-phase oil immersion types hollow current-limiting reactors, belong to reactor technical field.Technical solution is:Including three-phase shares iron yoke(1)With hollow winding(2), the three-phase shares iron yoke(1)For rectangle iron yoke, hollow winding(2)There is three-phase, be inner shield continuous structure, using the parallel connection of upper and lower two-way, is equipped with electrostatic ring in upper and lower two ends, passes through non-magnetic core model(4)It is fixed on three-phase and shares iron yoke(1)On.The beneficial effects of the invention are as follows:It is applicable in that voltage class is high, significantly reduce the noise of reactor by the compaction measure to device body, Integral three-phase structure has saved the installation space of current-limiting reactor.

Description

A kind of 220kV Three-phase oil immersion types hollow current-limiting reactor
Technical field
The present invention relates to a kind of 220kV Three-phase oil immersion types hollow current-limiting reactors, belong to reactor technical field.
Background technology
With the continuous development of current power grid scale, the level of short circuit current increasingly increases.When grid short circuit increase in current Will be more than the rupturing capacity of breaker when reaching certain level, to making the power grid moment be in because breaker can not be cut-off therefore Barrier electric current and make among the danger of fault spread.As the important means of limitation three-phase shortcircuit, current-limiting reactor can increase complete set The positive sequence impedance of system solves the problems, such as that short circuit current is exceeded.Current dry current limiting reactor, since voltage class is low, completely The requirement of current high-voltage fence cannot be met.The current-limiting reactor of background technology, advantage is that design is simple, reliable for operation, can be used Making 110kV grades or less power grid reduces system short-circuit levels of current.There are the problem of voltage class it is low, cannot be satisfied high-voltage circuit Operation needs, and exactly power grid develops to voltage levels.And single-phase current-limiting reactor needs in groups when in use, equipment The mounting area of bigger is needed, safeguards complicated, totle drilling cost height, it is low in economic efficiency.
Invention content
It is an object of the present invention to provide a kind of 220kV Three-phase oil immersion types hollow current-limiting reactors, can be used in 220kV high-voltage electricity Net.Integral three-phase significantly reduces the mounting area of current-limiting reactor, safeguards simply, efficiently solves background technology Present in the above problem.
The technical scheme is that:A kind of 220kV Three-phase oil immersion types hollow current-limiting reactor, including three-phase shares iron yoke With hollow winding, it is rectangle iron yoke that the three-phase, which shares iron yoke, and hollow winding has three-phase, is inner shield continuous structure, uses Upper and lower two-way is in parallel, and electrostatic ring is equipped in upper and lower two ends, and being fixed on three-phase by non-magnetic core model shares in iron yoke.
Stretching screw is equipped between every mutually hollow winding, the upper end of stretching screw, which is equipped with, folds spring, above and below the shared iron yoke of three-phase Both ends are equipped with yoke clip piece, stretching screw include it is logical wear lamination long bolt and do not wear lamination long bolt, it is logical wear lamination long bolt with Lamination long bolt is not worn and clamps yoke clip piece, and yoke clip piece is U-shaped high-strength steel sheet.
The lead of hollow winding is head end, end same side output terminal structure, and head end is detachable lead, and upper and lower end leads connect It is drawn from case lid after being connected together, end leads are equipped with paper bag and corrugated board package structure.
Include also oil conservater, gilled radiator and wind turbine, the gilled radiator, wind turbine are divided to two groups of settings in reactor sheet Around body, oil conservater is placed on one of which wind turbine.
The beneficial effects of the invention are as follows:It is applicable in voltage class height, electricity is significantly reduced by the compaction measure to device body The noise of anti-device, Integral three-phase structure have saved the installation space of current-limiting reactor.
Description of the drawings
Fig. 1 is the electrical wiring schematic diagram of the present invention;
Fig. 2 is the alternate device body compressing structure schematic diagram of the present invention;
Fig. 3 is the horizontal layout schematic diagram of the present invention;
Fig. 4 is the external structure of the present invention;
Fig. 5 is the vertical view of Fig. 4;
Fig. 6 is the left view of Fig. 4;
Fig. 7 is the reactor core model schematic diagram inside the present invention;
Fig. 8 is that reactor core model removes stereogram after electrical shielding cylinder;
In figure:Three-phase shares iron yoke 1, hollow winding 2, yoke clip piece 3, non-magnetic core model 4, stretching screw 5, folded spring 6, insulation board 7, air gap cushion block 8, electrical shielding cylinder 9, oil conservater 91, gilled radiator 92, wind turbine 93, casing 94, oil level indicator 95, terminal box 96, Control cabinet 97, gas relay 99, closes valve 910, oil surface temperature meter 911, temperature meter base 912, on-line monitoring at fiber device 98 Instrument 913, winding temperature gage 914, pressure relief valve 915.
Specific implementation mode
Below in conjunction with attached drawing, by embodiment, the invention will be further described.
A kind of 220kV Three-phase oil immersion types hollow current-limiting reactor, including the shared iron yoke 1 of three-phase and hollow winding 2, described three It is rectangle iron yoke mutually to share iron yoke 1, and hollow winding 2 has three-phase, is inner shield continuous structure, in parallel using upper and lower two-way, Upper and lower two ends are equipped with electrostatic ring, and being fixed on three-phase by non-magnetic core model 4 shares in iron yoke 1.
Per stretching screw 5 is equipped between mutually hollow winding 2, the upper end of stretching screw 5 is equipped with folded spring 6, and three-phase shares iron yoke 1 Upper and lower ends are equipped with yoke clip piece 3, and stretching screw includes leading to wear lamination long bolt and do not wear lamination long bolt, logical to wear the long spiral shell of lamination Bar and do not wear lamination long bolt clamp yoke clip piece, yoke clip piece 3 be U-shaped high-strength steel sheet.
The lead of hollow winding 2 is head end, end same side output terminal structure, and head end is detachable lead, upper and lower end leads It is drawn from case lid after linking together, end leads are equipped with paper bag and corrugated board package structure.
Include also oil conservater 91, gilled radiator 92 and wind turbine 93, the gilled radiator 92, wind turbine 93 are divided to two groups of settings Around reactor body, oil conservater 91 is placed on one of which wind turbine 93.
In practical applications, such as Fig. 1, hollow winding is 220kV all insulations, inner shield continuous structure, using upper and lower two Road is in parallel, and has electrostatic ring in upper and lower two end sets.One rectangle iron yoke, the shared magnetic circuit as three windings.Winding The core model made of un-conducted magnetic material is fixed in iron yoke, the ability for increasing the deformation of winding resistance to shorting.
Such as Fig. 2, iron yoke does folder with U-shaped high-strength steel sheet, and leads to wear lamination long bolt and do not wear lamination long bolt and clamp Yoke clip piece ensures that iron yoke lamination entirety consolidation does not loosen.It is provided with upper and lower stretching screw between every phase winding, is reached by folded spring To locking function is compressed, prevents coil from rebounding, reduce the vibration of entire device body, efficiently controlled noise level.U-shaped folder Hanging axis is equipped in the middle part of part, it can be to device body integral lifting by upper clamping piece fixing device.
Such as Fig. 3, lead is using head end, end same side output terminal.Head end is drawn with detachable gage system from thiol. Upper and lower end leads are drawn after linking together from case lid.End leads wrap up mode using paper bag and corrugated board, increase Dielectric strength, it is ensured that have enough insulation distances to structural member.
External structure such as Fig. 4-Fig. 6, also include oil conservater 91, gilled radiator 92, wind turbine 93, casing 94, oil level indicator 95, Terminal box 96, fiber device 98, gas relay 99, closes valve 910, oil surface temperature meter 911, temperature meter base at control cabinet 97 912, on-line computing model 913, winding temperature gage 914 and pressure relief valve 915, piece dissipates and wind turbine is divided to two groups to be arranged in reactor sheet Around body.Oil conservater is placed on one of which wind turbine, and be furnished with operating platform, ensure operation, maintenance personnel safe operation.
Such as Fig. 7 and 8, if the reactor core model inside the hollow current-limiting reactor is by dried layer insulation board 7 and air gap cushion block 8 It constitutes, is bonded multiple air gap cushion blocks 8 on every layer of insulation board 7, the composition that stacks up of insulation board 7 that multilayer is stained with air gap cushion block 8 is empty The core model of core device;The height of core model matches with iron core of electric reactor window height, outer diameter and the reactor winding internal diameter phase of core model It matches, reactor iron yoke on core model longitudinal bracing, cross-brace reactor winding.
Strength glue sticking air gap cushion block 8, the air gap cushion block column that longitudinally composition supports, support are used on the insulation board 7 Reactor iron yoke is easy for making using layered structure purpose.
The insulation board 7 increases electrical shielding cylinder 9 with 8 outside of air gap cushion block, can effectively improve electrode shape, prevents line It encloses to internal electric discharge.
The application method of reactor core model:Above-mentioned core model is placed on inside reactor winding, it can effectively lateral stretching Reactor winding, and can be positioned to reactor winding;Meanwhile core model is located in core of reactor frame, can support The upper and lower iron yoke of the iron core of reactor, prevents iron yoke due to gravity flexural deformation.

Claims (4)

1. a kind of 220kV Three-phase oil immersion types hollow current-limiting reactor, it is characterised in that:Including three-phase shares iron yoke(1)With it is hollow Winding(2), the three-phase shares iron yoke(1)For rectangle iron yoke, hollow winding(2)There is three-phase, is inner shield continuous structure, adopts With the parallel connection of upper and lower two-way, it is equipped with electrostatic ring in upper and lower two ends, passes through non-magnetic core model(4)It is fixed on three-phase and shares iron yoke (1)On.
2. a kind of 220kV Three-phase oil immersion types hollow current-limiting reactor according to claim 1, it is characterised in that:Per mutually empty Heart winding(2)Between be equipped with stretching screw(5), stretching screw(5)Upper end be equipped with folded spring(6), three-phase shares iron yoke(1)Up and down Both ends are equipped with yoke clip piece(3), logical to wear lamination long bolt and do not wear lamination long bolt clamping yoke clip piece, yoke clip piece(3)For U Type high-strength steel sheet.
3. a kind of 220kV Three-phase oil immersion types hollow current-limiting reactor according to claim 1, it is characterised in that:It is hollow around Group(2)Lead be head end, end same side output terminal structure, head end be detachable lead, after upper and lower end leads link together It is drawn from case lid, end leads are equipped with paper bag and corrugated board package structure.
4. a kind of 220kV Three-phase oil immersion types hollow current-limiting reactor according to claim 1, it is characterised in that:Also include Oil conservater(91), gilled radiator(92)And wind turbine(93), the gilled radiator(92), wind turbine(93)It is divided to two groups of settings in electricity Around anti-device ontology, oil conservater(91)It is placed on one of which wind turbine(93)On.
CN201810523718.7A 2018-05-28 2018-05-28 A kind of 220kV Three-phase oil immersion types hollow current-limiting reactor Pending CN108597788A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810523718.7A CN108597788A (en) 2018-05-28 2018-05-28 A kind of 220kV Three-phase oil immersion types hollow current-limiting reactor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810523718.7A CN108597788A (en) 2018-05-28 2018-05-28 A kind of 220kV Three-phase oil immersion types hollow current-limiting reactor

Publications (1)

Publication Number Publication Date
CN108597788A true CN108597788A (en) 2018-09-28

Family

ID=63629342

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810523718.7A Pending CN108597788A (en) 2018-05-28 2018-05-28 A kind of 220kV Three-phase oil immersion types hollow current-limiting reactor

Country Status (1)

Country Link
CN (1) CN108597788A (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009111028A (en) * 2007-10-26 2009-05-21 Toshiba Henden Kiki Technology Kk Reactor
CN202871459U (en) * 2012-08-28 2013-04-10 成都昊地科技有限责任公司 Active field full-magnetic shielding mouse cage shape air-core current-limiting reactor
CN205911118U (en) * 2016-07-13 2017-01-25 合容电气股份有限公司 Pouring type dry -type iron core parallel reactor
CN207409368U (en) * 2017-10-31 2018-05-25 江苏华鹏变压器有限公司 Three-phase integrated air reactor with conjugated structure
CN208157216U (en) * 2018-05-28 2018-11-27 保定天威保变电气股份有限公司 A kind of 220kV Three-phase oil immersion type hollow current-limiting reactor

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009111028A (en) * 2007-10-26 2009-05-21 Toshiba Henden Kiki Technology Kk Reactor
CN202871459U (en) * 2012-08-28 2013-04-10 成都昊地科技有限责任公司 Active field full-magnetic shielding mouse cage shape air-core current-limiting reactor
CN205911118U (en) * 2016-07-13 2017-01-25 合容电气股份有限公司 Pouring type dry -type iron core parallel reactor
CN207409368U (en) * 2017-10-31 2018-05-25 江苏华鹏变压器有限公司 Three-phase integrated air reactor with conjugated structure
CN208157216U (en) * 2018-05-28 2018-11-27 保定天威保变电气股份有限公司 A kind of 220kV Three-phase oil immersion type hollow current-limiting reactor

Similar Documents

Publication Publication Date Title
CN102360828B (en) 220kV-grade Vx connection traction transformer body structure
CN208157216U (en) A kind of 220kV Three-phase oil immersion type hollow current-limiting reactor
CN201667277U (en) Amorphous alloy epoxy dry transformer
CN208796801U (en) A kind of insulation filling type capacitance type transformer sleeve
US20150357814A1 (en) Fault Current Limiter
CN2295267Y (en) Dry hollow series reactor
CN201556523U (en) High voltage dry type current transformer with protecting gap
CN201773689U (en) 110 kV partial discharge-free three-phase electromagnetic voltage transformer
CN101192467B (en) Amorphous alloy ground transformer body structure
CN108597788A (en) A kind of 220kV Three-phase oil immersion types hollow current-limiting reactor
CN208157236U (en) A kind of air reactor core model
CN203179662U (en) Dry type transformer
CN108597809A (en) A kind of air reactor core model and its application method
CN216849570U (en) Transformer oil tank
CN201812647U (en) Dry type grounding transformer
CN103456491A (en) Novel parallel capacitor for restraining switching surge of vacuum circuit breaker
CN2641908Y (en) Low excitation inrush current, low operation overvoltage phase-shifting transformer
CN114097052A (en) Mutual inductor and method for isolating parts
CN209087568U (en) A kind of gas-insulated integral combined transformer
CN202034780U (en) 110kV filter compensation energy-saving set device
CN202487357U (en) Dry type transformer for explosion suppression type mobile substation for amorphous alloy mining
CN102568791A (en) Single-phase high-voltage testing transformer
CN107293395A (en) A kind of radial transformer with split windings of 500kV
CN201307502Y (en) Epoxy resin dry-type rectiformer with 35 kilovolt
CN205959736U (en) Novel compensation reactor

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination