CN201532834U - Dry type hollow electrified railway serial capacity adjusting reactor - Google Patents

Dry type hollow electrified railway serial capacity adjusting reactor Download PDF

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Publication number
CN201532834U
CN201532834U CN2009200416793U CN200920041679U CN201532834U CN 201532834 U CN201532834 U CN 201532834U CN 2009200416793 U CN2009200416793 U CN 2009200416793U CN 200920041679 U CN200920041679 U CN 200920041679U CN 201532834 U CN201532834 U CN 201532834U
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CN
China
Prior art keywords
terminal
coil
reactor
main coil
auxiliary winding
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Expired - Lifetime
Application number
CN2009200416793U
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Chinese (zh)
Inventor
史波杰
周明基
徐忠伟
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WUXI TAIBO REACTOR CO Ltd
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WUXI TAIBO REACTOR CO Ltd
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Priority to CN2009200416793U priority Critical patent/CN201532834U/en
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E40/00Technologies for an efficient electrical power generation, transmission or distribution
    • Y02E40/30Reactive power compensation

Abstract

The utility model discloses a dry hollow electrified railway serial capacity adjusting reactor which is used for reactive compensation of an electrified railway traction substation. The reactor comprises a mounting bottom plate, a high-voltage insulator and a main coil, wherein the high-voltage insulator is connected with the mounting bottom plate; the main coil is positioned on the high-voltage insulator; the main coil is enclosed with an auxiliary coil outside; the auxiliary coil is also positioned on the high-voltage insulator; the main coil is connected with the auxiliary coil in serial; the serially connected terminal is an outgoing terminal; the terminal positioned on the main coil is an incoming terminal and a first outgoing terminal; the terminal positioned on the auxiliary coil is a second outgoing terminal; and the incoming terminal, the first outgoing terminal and the second outgoing terminal are all positioned on an aluminum conductive arm. The dry hollow electrified railway serial capacity adjusting reactor can improve the power factor of a power supply system; when a reactive compensation device is applied in the grid, the reactor can limit the instantaneous inrush current and operate over-voltage during switching in; when higher harmonic exists in the power supply system, a reactor with appropriate inductance is selected, thus being capable of inhibiting and adsorbing higher harmonic current; and when the load of the grid changes, the capacity can be increased or decreased according to needs, thus leading the reactive compensation device to be reasonably operated.

Description

Dry-type hollow electric railway series capacity regulating reactor
Technical field
The utility model relates to a kind of dry-type hollow electric railway series capacity regulating reactor, is used for the traction substation of electric railway reactive power compensation, belongs to the electric reactive compensating equipment technical field.
Background technology
At present, the series reactor that adopts in the traction substation of electric railway power capacitor reactive compensation installation, it mainly is the power factor that is used for improving electric power system, when reactive power compensator drops into electrical network, can limit its instantaneous shoving and switching overvoltage of closing a floodgate, when having high order harmonic component in the electric power system, select the reactor of suitable reactance value, can suppress, absorb effects such as higher harmonic current.Owing to exist high order harmonic component in the electrical network, the input of capacitor group can make high order harmonic component amplify, and reactor is gone in series connection in capacitor group loop for this reason, suppresses harmonic wave and amplifies, and improves the electrical network waveform.Its basic principle is that certain induction reactance is set, and makes the capacitor and inductor series circuit present perception for certain and above high order harmonic component.When network load changed, the capacity of the series reactor in the reactive power compensator but can't in time change.Influence the reasonable operation of electric railway reactive power compensator.
Summary of the invention
The purpose of this utility model is to overcome above-mentioned weak point, and a kind of dry-type hollow electric railway series capacity regulating reactor is provided, and can improve the power factor of electric power system; When reactive power compensator drops into electrical network, can limit its instantaneous shoving and switching overvoltage of closing a floodgate; When having high order harmonic component in the electric power system, select the reactor of suitable reactance value, can suppress, absorb higher harmonic current; And can satisfy when network load changes, the capacity of the series reactor in the reactive power compensator also can carry out the increase or the minimizing of capacity with demand, thereby reactive power compensator can rationally be moved.
According to the technical scheme that the utility model provides, dry-type hollow electric railway series capacity regulating reactor comprises installs base plate, high-tension insulator, main coil and auxiliary winding, and high-tension insulator is connected with the installation base plate, and main coil is positioned on the described high-tension insulator.Surrounded by auxiliary winding in the main coil outside, described auxiliary winding also is positioned on the high-tension insulator; Described main coil and auxiliary winding are connected in series, the series connection end is first leading-out terminal, the terminals that are positioned at main coil are the end of incoming cables and first leading-out terminal, and the terminals that are positioned at auxiliary winding are second leading-out terminal, and end of incoming cables, first leading-out terminal and second leading-out terminal all are positioned on the aluminium conductive arm.
Described auxiliary winding is by epoxy resin enclosed, Inside coil, insulation aluminum conductor, long glass fibres tow, the polyester glass fiber pulling bar of suspension bracket, aluminium conductive arm, epoxy are formed up and down, auxiliary winding is made of a plurality of concentric epoxy resin enclosed Inside coils, Inside coil is formed by insulation aluminum conductor coiling, and the insulation aluminum conductor is welded on the aluminium conductive arm of suspension bracket up and down.
Described concentric epoxy resin enclosed outside is held by the long glass fibres tow, adopts polyester glass fiber pulling bar between holding, as vertical air flue.Described Inside coil adopts the Multi-layer Parallel core structure.
Compared with the prior art the utility model has the following advantages:
The utility model is rational in infrastructure, compact; Change the volume change of reactive power compensator and, the inductance of reactor is increased, needed inductance value when reaching different load and changing at reactor winding serial connection coil at corresponding network load; Reactor capacity in the reactive power compensator also can change and respective change makes reactor can mate consistent with the condenser reactance rate with capacitor volume; Use to install very convenient, can be on a reactor variation by closing coil, and realize the volume change of reactor.
Description of drawings
Fig. 1 is the utility model structural front view.
Fig. 2 is the utility model structure vertical view.
Fig. 3 is the structural representation of the utility model coil.
Embodiment
The utility model is described in further detail below in conjunction with drawings and Examples.
As Fig. 1~shown in Figure 2, the utility model comprises installs base plate 1, high-tension insulator 2, auxiliary winding 3, main coil 4, end of incoming cables A, the first leading-out terminal A1, the second leading-out terminal A2.
The utility model high-tension insulator 2 is connected with installation base plate 1, is used to support auxiliary winding 3 and main coil 4, and adopts between the basis, ground base plate 1 transition is installed, so that equipment is installed.
Surrounded by auxiliary winding 3 in main coil 4 outsides, described auxiliary winding 3 also is positioned on the high-tension insulator 2; Main coil 4 and auxiliary winding 3 are connected in series, the series connection end is the first leading-out terminal A1, the terminals that are positioned at main coil 4 are the end of incoming cables A and the first leading-out terminal A1, and the terminals that are positioned at auxiliary winding 3 are the second leading-out terminal A2, and end of incoming cables A, the first leading-out terminal A1 and the second leading-out terminal A2 all are positioned on the aluminium conductive arm.
The utility model can be on a reactor by the variation of wiring position, and realize that the multicapacity of reactor changes.With traction busbar voltage 27.5kV, bucking voltage 42kV, rated capacity 288kvar, pondage 144kvar, it is example that the capacity second gear is regulated reactor:
288kvar connects main coil, and the turnover line is: the end of incoming cables A-first leading-out terminal A1;
144kvar connects auxiliary winding, and the turnover line is: the end of incoming cables A-second leading-out terminal A2;
Specified terminal voltage: 5.04kV;
Rated current: 57.1A/28.6A;
Specified reactance: 88.266 Ω/176.224 Ω.
The utility model is made up of major-minor two coils, and as shown in Figure 3, main coil 4 is identical with auxiliary winding 3 structures, the parameter difference.Described auxiliary winding 3 is by epoxy resin enclosed 5, Inside coil 6, insulation aluminum conductor 7, long glass fibres tow 10, the polyester glass fiber pulling bar 11 of suspension bracket 8, aluminium conductive arm 9, epoxy are formed up and down.Auxiliary winding 3 constitutes (design is by 288kvar, 57.1A rated current) by a plurality of concentric epoxy resin enclosed 5.Epoxy resin enclosed 5 are made of Inside coil 6.Inside coil 6 adopts the Multi-layer Parallel core structures, and Inside coil 6 is formed by 7 coilings of insulation aluminum conductor, and all insulation aluminum conductors 7 are welded on the aluminium conductive arm 9 of suspension bracket 8 up and down.Each is sealed, and (concentric epoxy resin enclosed 5) are outside to be held by the long glass fibres tow 10 that flooded epoxy, adopts polyester glass fiber pulling bar 11 between sealing, and as vertical air flue, is beneficial to heat radiation.Behind hot setting, form the integral body of closely knit, a firm fiberglass sample, and the coating and the decorative paint of spraying ultra-violet radiation resisting, guarantee that it has high weatherability.
Described main coil 4 constitutes by a plurality of concentric epoxy resin enclosed 5, and design is by 144kvar, 28.6A rated current.
When using 288kvar, the rated current of reactor is that 57.1A, specified reactance are 88.266 Ω, so connect main coil, the reactor wiring is the end of incoming cables A-first leading-out terminal A1; When reactor used 144kvar, rated current was that 28.6A, specified reactance are 176.224 Ω, so connect auxiliary winding, the reactor wiring should be the end of incoming cables A-second leading-out terminal A2.By the variation of closing coil, and reach the purpose of second gear capacity transfer.
The practicable many grades of volume change of the utility model.By connecting main coil or auxiliary winding, the inductance of reactor is changed, needed inductance value when reaching the different load variation.
The utility model use of connecting with capacitor (group), be used for improving the power factor of electric power system, when reactive power compensator drops into electrical network, can limit its instantaneous shoving and switching overvoltage of closing a floodgate, when having high order harmonic component in the electric power system, select the reactor of suitable reactance value, can suppress, absorb higher harmonic current, and, realize capacity transfer for satisfying the load variations of reactive-load compensation capacitor capacity.

Claims (4)

1. dry-type hollow electric railway series capacity regulating reactor, comprise base plate (1), high-tension insulator (2) and main coil (4) are installed, high-tension insulator (2) is connected with installation base plate (1), main coil (4) is positioned on the described high-tension insulator (2), it is characterized in that: outside by auxiliary winding (3) encirclement at main coil (4), described auxiliary winding (3) also is positioned on the high-tension insulator (2); Main coil (4) and auxiliary winding (3) are connected in series, the series connection end is first leading-out terminal (A1), the terminals that are positioned at main coil (4) are end of incoming cables (A) and first leading-out terminal (A1), the terminals that are positioned at auxiliary winding (3) are second leading-out terminal (A2), and end of incoming cables (A), first leading-out terminal (A1) and second leading-out terminal (A2) all are positioned on the aluminium conductive arm.
2. dry-type hollow series capacity regulating reactor according to claim 1, it is characterized in that described auxiliary winding (3) by epoxy resin enclosed (5), Inside coil (6), the insulation aluminum conductor (7), suspension bracket (8), aluminium conductive arm (9) are formed up and down, auxiliary winding (3) is made of a plurality of epoxy resin enclosed with one heart (5), epoxy resin enclosed (5) are made of Inside coil (6), Inside coil (6) is formed by insulation aluminum conductor (7) coiling, and insulation aluminum conductor (7) is welded on the aluminium conductive arm (9) of suspension bracket (8) up and down.
3. dry-type hollow series capacity regulating reactor according to claim 2 is characterized in that described epoxy resin enclosed with one heart (5) outside is held by long glass fibres tow (10), adopts polyester glass fiber pulling bar (11), as vertical air flue between holding.
4. dry-type hollow series capacity regulating reactor according to claim 2 is characterized in that described Inside coil (6) adopts the Multi-layer Parallel core structure.
CN2009200416793U 2009-03-31 2009-03-31 Dry type hollow electrified railway serial capacity adjusting reactor Expired - Lifetime CN201532834U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2009200416793U CN201532834U (en) 2009-03-31 2009-03-31 Dry type hollow electrified railway serial capacity adjusting reactor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2009200416793U CN201532834U (en) 2009-03-31 2009-03-31 Dry type hollow electrified railway serial capacity adjusting reactor

Publications (1)

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CN201532834U true CN201532834U (en) 2010-07-21

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104392831A (en) * 2014-11-26 2015-03-04 许继集团有限公司 Adjustable inductance type air reactor
CN109215939A (en) * 2018-09-10 2019-01-15 华中科技大学 One kind is for electric current formed inductor in impacting with high pressure circuit

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104392831A (en) * 2014-11-26 2015-03-04 许继集团有限公司 Adjustable inductance type air reactor
CN109215939A (en) * 2018-09-10 2019-01-15 华中科技大学 One kind is for electric current formed inductor in impacting with high pressure circuit

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Granted publication date: 20100721