CN101599342A - Dry-type hollow electric railway series capacity regulating reactor - Google Patents

Dry-type hollow electric railway series capacity regulating reactor Download PDF

Info

Publication number
CN101599342A
CN101599342A CNA2009100296584A CN200910029658A CN101599342A CN 101599342 A CN101599342 A CN 101599342A CN A2009100296584 A CNA2009100296584 A CN A2009100296584A CN 200910029658 A CN200910029658 A CN 200910029658A CN 101599342 A CN101599342 A CN 101599342A
Authority
CN
China
Prior art keywords
leading
terminal
coil
main coil
auxiliary winding
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
CNA2009100296584A
Other languages
Chinese (zh)
Inventor
周明基
史波杰
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.)
WUXI TAIBO REACTOR CO Ltd
Original Assignee
WUXI TAIBO REACTOR 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 WUXI TAIBO REACTOR CO Ltd filed Critical WUXI TAIBO REACTOR CO Ltd
Priority to CNA2009100296584A priority Critical patent/CN101599342A/en
Publication of CN101599342A publication Critical patent/CN101599342A/en
Pending legal-status Critical Current

Links

Classifications

    • 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 present invention relates to a kind of dry-type hollow electric railway series capacity regulating reactor, be used for the traction substation of electric railway reactive power compensation.It comprises installs base plate, high-tension insulator and main coil, 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; 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.The present invention 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; When network load changed, its capacity also can increase or reduce with demand, and reactive power compensator can rationally be moved.

Description

Dry-type hollow electric railway series capacity regulating reactor
Technical field
The present invention relates to a kind of dry-type hollow electric railway series capacity regulating reactor, be used for the traction substation of electric railway reactive power compensation, belong 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 objective of the invention is to overcome above-mentioned weak point, a kind of dry-type hollow electric railway series capacity regulating reactor is provided, 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 technical scheme provided by the invention, dry-type hollow electric railway series capacity regulating reactor comprises installs base plate, high-tension insulator, main coil and leeched line circle, 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 first coil 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, first coil 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 present invention has the following advantages:
The present invention 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 a structural front view of the present invention.
Fig. 2 is a structure vertical view of the present invention.
Fig. 3 is the structural representation of coil of the present invention.
Embodiment
The invention will be further described below in conjunction with drawings and Examples.
As Fig. 1~shown in Figure 2, the present invention includes 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 are installed.
High-tension insulator 2 of the present invention 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 present invention 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 present invention is made up of major-minor two coils, and as shown in Figure 3, main coil 4 is identical with ancillary coil 3 structures, the parameter difference.Described main coil 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.First coil 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 ancillary 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 ancillary coil, 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 present invention.By connecting main coil or ancillary coil, the inductance of reactor is changed, needed inductance value when reaching the different load variation.
The present invention's 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, a kind of 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 first coil (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, first coil (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 1 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 1 is characterized in that described Inside coil (6) adopts the Multi-layer Parallel core structure.
CNA2009100296584A 2009-03-31 2009-03-31 Dry-type hollow electric railway series capacity regulating reactor Pending CN101599342A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNA2009100296584A CN101599342A (en) 2009-03-31 2009-03-31 Dry-type hollow electric railway series capacity regulating reactor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNA2009100296584A CN101599342A (en) 2009-03-31 2009-03-31 Dry-type hollow electric railway series capacity regulating reactor

Publications (1)

Publication Number Publication Date
CN101599342A true CN101599342A (en) 2009-12-09

Family

ID=41420741

Family Applications (1)

Application Number Title Priority Date Filing Date
CNA2009100296584A Pending CN101599342A (en) 2009-03-31 2009-03-31 Dry-type hollow electric railway series capacity regulating reactor

Country Status (1)

Country Link
CN (1) CN101599342A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106531415A (en) * 2016-12-28 2017-03-22 江苏思源赫兹互感器有限公司 Electric reactance device with over voltage suppression and preparation method thereof
RU190385U1 (en) * 2019-03-06 2019-07-01 Общество с ограниченной ответственностью «Росэнерготранс» (ООО «Росэнерготранс») THROTTLE INTERFERENCE

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106531415A (en) * 2016-12-28 2017-03-22 江苏思源赫兹互感器有限公司 Electric reactance device with over voltage suppression and preparation method thereof
RU190385U1 (en) * 2019-03-06 2019-07-01 Общество с ограниченной ответственностью «Росэнерготранс» (ООО «Росэнерготранс») THROTTLE INTERFERENCE

Similar Documents

Publication Publication Date Title
CN1971778B (en) Single-phase self-coupling on-load voltage-regulating transformer
CN2836203Y (en) Combined transformer for metering
CN201532834U (en) Dry type hollow electrified railway serial capacity adjusting reactor
CN101599342A (en) Dry-type hollow electric railway series capacity regulating reactor
CN2295267Y (en) Dry hollow series reactor
CN201398081Y (en) Low-voltage magnetic control type filtering powerless dynamic compensation device
CN201611604U (en) Dry type hollow series capacity regulating reactor
CN201532835U (en) Dry type hollow parallel capacity regulating reactor
CN102427232A (en) Multiple-harmonic-source harmonic isolation device
CN101022219A (en) Harmonic cancellation and power compensating device
CN207637603U (en) A kind of automatic capacity transfer type distribution transformer
CN108039264A (en) A kind of dry-type hollow current-limiting capacity regulating reactor
CN201387804Y (en) Dry-type hollow current-limiting capacitance-regulating reactor
CN101599343A (en) Dry-type hollow series capacity regulating reactor
CN111599580A (en) Medium-voltage high-frequency transformer applied to power electronic transformer
CN101599344A (en) Dry-type hollow parallel capacity regulating reactor
CN207603164U (en) A kind of Distributed Power Flow controller suitable for arbitrary shaft tower
CN110379612A (en) 10kV cast-type capacitance type potential transformer
CN201134342Y (en) Self-coupled traction transformer specialized for AT electricity supply
Huang et al. A dynamic-inductive-compensation-based method for improving tap-off power from insulated ground wires of overhead high voltage transmission lines
CN101599345A (en) Dry-type hollow current-limiting capacity regulating reactor
CN204302355U (en) A kind of electronic mutual inductor combined with handcart circuit breaker
CN100555794C (en) Hybrid power filter
CN103326268A (en) Mining flame-proof type frequency conversion mobile substation
CN103000360A (en) 10kV-20kV voltage transformer and voltage changing method

Legal Events

Date Code Title Description
PB01 Publication
C06 Publication
SE01 Entry into force of request for substantive examination
C10 Entry into substantive examination
WD01 Invention patent application deemed withdrawn after publication

Open date: 20091209

C02 Deemed withdrawal of patent application after publication (patent law 2001)