CN201608020U - Magnetic screen type magnetic control reactor iron core - Google Patents

Magnetic screen type magnetic control reactor iron core Download PDF

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Publication number
CN201608020U
CN201608020U CN2010201053855U CN201020105385U CN201608020U CN 201608020 U CN201608020 U CN 201608020U CN 2010201053855 U CN2010201053855 U CN 2010201053855U CN 201020105385 U CN201020105385 U CN 201020105385U CN 201608020 U CN201608020 U CN 201608020U
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CN
China
Prior art keywords
iron core
magnetic
saturation
region
air gap
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Expired - Lifetime
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CN2010201053855U
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Chinese (zh)
Inventor
赵西平
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Zhejiang Guang Tian power equipment Limited by Share Ltd
Original Assignee
Zhejiang Guangtian Transformer Co Ltd
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Priority to CN2010201053855U priority Critical patent/CN201608020U/en
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Publication of CN201608020U publication Critical patent/CN201608020U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Abstract

The utility model relates to a magnetic screen type magnetic control reactor iron core, comprising an upper yoke, a lower yoke and an iron core limb connecting the upper yoke with the lower yoke. The magnetic screen type magnetic control reactor iron core is characterized in that the iron core limb comprises approximate saturation region iron cores and unsaturation region iron cores which are alternately distributed, and discuses in the middle and air gaps, wherein the approximate saturation region iron cores and the unsaturation region iron cores are arranged in a staggered way to form a parallel magnetic circuit; and the parallel magnetic circuit is set with an approximate saturation region iron core sectional area and an unsaturation region iron core sectional area according to proportion. The scheme increases the unsaturation region area by reducing the approximate saturation region area, thus reducing the magnetic density of the unsaturation region, simultaneously increasing the leakage magnetic flux, lowering the air gap height, reducing the loss and lowering the noise. By increasing the number of discuses, the air gap height is lowered, the magnetic leakage is reduced, local excitation is led to be uniform, the harmonic content is small, local overcurrent is avoided, and the service life is prolonged. The magnetic screen type magnetic control reactor iron core has the advantages of low control energy, capability of being overhauled with electricity, and the like.

Description

Magnetic cup formula magnet controlled reactor iron core
Technical field
The utility model relates to a kind of magnet controlled reactor iron core, particularly relates to a kind of magnetic path parallel connection leakage protected type controlled reactor iron core, belongs to electrical network and power transmission and transforming equipment energy-saving field.
Background technology
Along with cable line in the formation of the big electrical network of superhigh pressure and the urban distribution network increases severely, the reactive power in the electrical network changes and problem such as voltage fluctuation becomes increasingly conspicuous.Measures such as the dynamic inhibition of enforcement reactive power dynamic equilibrium and voltage fluctuation, the secondary arc current when strengthening power network harmonic wave management, suppress the rising of EHV transmission long transmission line terminal voltage and reducing the circuit single-phase earthing, elimination generator self-excitation, safety and economic operation, promotion electrical network to electrical network are energy-conservation, significant.Along with impact load in the electrical network (as arc furnace, electrolytic aluminium, steel rolling, electric railway, city underground, colliery lifting means etc.) increase gradually, power electronic technology and the extensive use of device in electrical network, dynamic passive compensation and filter are had higher requirement to the technical-economic indexes such as security reliability of controlled reactor.At present, the iron core stem stem of magnetic cup formula magnet controlled reactor is staggered by prismatic unsaturated regional iron core and zone of saturation iron core and forms parallel circuits, the leakage flux that absorbs the zone of saturation iron core by unsaturated regional iron core forms self-shileding, loss, noise, the harmonic content of iron core is reduced, still, load noise is big, the supplementary load loss height, harmonic content is bigger, and leakage field is big, local overcurrent, working life is low etc., and problem still is not controlled effectively.
Summary of the invention
The purpose of this utility model is in order to overcome the shortcoming of prior art, provides that a kind of loss is little, noise is low, and core section is long-pending to be made full use of, and low cost of manufacture, can reliably be applied to the magnetic cup formula magnet controlled reactor iron core of supergrid efficiently.
The technical scheme of the utility model magnetic cup formula magnet controlled reactor iron core is: comprise upper yoke and lower yoke, and the iron core column that connects upper and lower iron yoke, it is characterized in that described iron core column comprises alternatively distributed nearly zone of saturation iron core and unsaturated regional iron core, and middle discus and air gap composition, nearly zone of saturation iron core and the unsaturated regional iron core composition parallel circuits that is staggered, it is long-pending and unsaturated regional core section is long-pending to set nearly zone of saturation core section in parallel circuits in proportion.
Magnetic cup formula magnet controlled reactor iron core of the present utility model, described iron core column comprises alternatively distributed nearly zone of saturation iron core and unsaturated regional iron core, and middle discus and air gap composition, adopt the structure of the many discuses of small air gap, homogenize the iron core air gap structure, reduce the height of single air gap, reduced the supplementary load loss of noise and iron core, coil effectively.Unsaturated regional iron core and nearly zone of saturation iron core are adjacent or front and back are adjacent is staggered that (described being staggered refers to action along the main flux direction left and right sides, be staggered to a system), nearly zone of saturation iron core is made of less sectional area or low permeability magnetic material or the air gap of permeability, in parallel circuits, set unsaturated regional iron core and nearly zone of saturation core area by a certain percentage, the leakage flux that absorbs nearly saturated near field iron core by unsaturated regional iron core forms self-shileding, and the main flux of iron core stem stem is through the closed loop that forms of last lower yoke.This programme increases unsaturated region area by reducing nearly zone of saturation area, and the magnetic that so just reduces unsaturated zone is close, has increased leakage flux simultaneously, has reduced air gap height; Reduce loss, reduced noise.By increasing discus quantity, reduce air gap height, reduced leakage field, make that local excitation is even, harmonic content is little, has avoided local overcurrent, has increased working life.And have control energy low, can hotline maintenance etc. advantage.
Magnetic cup formula magnet controlled reactor iron core of the present utility model, core section long-pending ratio in described nearly zone of saturation is about 40%, and the long-pending ratio of unsaturated regional core section is about 60%, by reducing the sectional area of nearly zone of saturation, make supplementary load loss reduce about 20%, noise reduces about 5dB; Increase unsaturated regional sectional area, and then increased the leakage field sectional area, reduced air gap height relatively, make noise reduce once more.
Description of drawings
Fig. 1 is a magnetic cup formula magnet controlled reactor core structure schematic diagram of the present utility model;
Fig. 2 is the B-B schematic cross-section of Fig. 1;
Fig. 3 is that the A of Fig. 1 is to schematic diagram.
Embodiment
The utility model relates to a kind of magnetic cup formula magnet controlled reactor iron core, as shown in Figure 1-Figure 3, comprise upper yoke 3 and lower yoke 4, and the iron core column 5 that connects upper and lower iron yoke 3,4, it is characterized in that described iron core column 5 comprises alternatively distributed nearly zone of saturation iron core 7 and unsaturated regional iron core 6, and middle discus 1 and air gap 2 compositions, nearly zone of saturation iron core 7 and the unsaturated regional iron core 6 composition parallel circuits that is staggered, it is long-pending and unsaturated regional core section is long-pending to set nearly zone of saturation core section in parallel circuits in proportion.The described iron core column 5 of the technical program comprises alternatively distributed nearly zone of saturation iron core 7 and unsaturated regional iron core 6, and middle discus 1 and air gap 2 compositions, adopt the structure of the many discuses of small air gap, homogenize the iron core air gap structure, reduce the height of single air gap, reduced the supplementary load loss of noise and iron core, coil effectively.Unsaturated regional iron core 6 and nearly zone of saturation iron core 7 are adjacent or front and back are adjacent is staggered that (described being staggered refers to action along the main flux direction left and right sides, be staggered to a system), nearly zone of saturation iron core 7 is made of less sectional area or low permeability magnetic material or the air gap of permeability, in parallel circuits, set unsaturated regional iron core and nearly zone of saturation core area by a certain percentage, the leakage flux that absorbs nearly zone of saturation iron core by unsaturated regional iron core forms self-shileding, and the main flux of iron core stem stem is through the closed loop that forms of last lower yoke.This programme increases unsaturated region area by reducing nearly zone of saturation area, and the magnetic that so just reduces unsaturated zone is close, has increased leakage flux simultaneously, has reduced air gap height; Reduce loss, reduced noise.By increasing discus quantity, reduce air gap height, reduced leakage field, make that local excitation is even, harmonic content is little, has avoided local overcurrent, has increased working life.And have control energy low, can hotline maintenance etc. advantage.Core section long-pending ratio in described nearly zone of saturation is about 40%, and the long-pending ratio of unsaturated regional core section is about 60%, by reducing the sectional area of nearly zone of saturation, makes supplementary load loss reduce about 20%, and noise reduces about 5dB; Increase unsaturated regional sectional area, and then increased the leakage field sectional area, reduced air gap height relatively, make noise reduce once more.

Claims (2)

1. magnetic cup formula magnet controlled reactor iron core, comprise upper yoke (3) and lower yoke (4), and the iron core column (5) that connects upper and lower iron yoke (3,4), it is characterized in that described iron core column (5) comprises alternatively distributed nearly zone of saturation iron core (7) and unsaturated regional iron core (6), and middle discus (1) and air gap (2) composition, nearly zone of saturation iron core (7) and unsaturated regional iron core (6) the composition parallel circuits that is staggered is set the long-pending and unsaturated regional core section of nearly zone of saturation core section in proportion and is amassed in parallel circuits.
2. magnetic cup formula magnet controlled reactor iron core as claimed in claim 1 is characterized in that described nearly zone of saturation iron core (7) sectional area ratio is 40%, and unsaturated regional iron core (6) sectional area ratio is 60%.
CN2010201053855U 2010-01-27 2010-01-27 Magnetic screen type magnetic control reactor iron core Expired - Lifetime CN201608020U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010201053855U CN201608020U (en) 2010-01-27 2010-01-27 Magnetic screen type magnetic control reactor iron core

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2010201053855U CN201608020U (en) 2010-01-27 2010-01-27 Magnetic screen type magnetic control reactor iron core

Publications (1)

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CN201608020U true CN201608020U (en) 2010-10-13

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102982985A (en) * 2012-12-11 2013-03-20 浙江大学 Multi-tap composite excitation type controllable reactor
CN102982970A (en) * 2012-12-11 2013-03-20 圣航科技股份有限公司 Multi-magnetic valve type controllable reactor
CN103475293A (en) * 2013-09-11 2013-12-25 东南大学 Iron core reactance regulator with current control and short-circuit current-limiting functions and control method thereof

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102982985A (en) * 2012-12-11 2013-03-20 浙江大学 Multi-tap composite excitation type controllable reactor
CN102982970A (en) * 2012-12-11 2013-03-20 圣航科技股份有限公司 Multi-magnetic valve type controllable reactor
CN102982985B (en) * 2012-12-11 2015-06-03 浙江大学 Multi-tap composite excitation type controllable reactor
CN102982970B (en) * 2012-12-11 2015-08-12 圣航科技股份有限公司 A kind of many magnetic valve type controllable reactors
CN103475293A (en) * 2013-09-11 2013-12-25 东南大学 Iron core reactance regulator with current control and short-circuit current-limiting functions and control method thereof

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of utility model: Iron core of magnetic screen type magnetically controlled reactor

Effective date of registration: 20151014

Granted publication date: 20101013

Pledgee: Industrial Commercial Bank of China Ltd Taizhou Huangyan branch

Pledgor: Zhejiang Guangtian Transformer Co., Ltd.

Registration number: 2015330000059

PLDC Enforcement, change and cancellation of contracts on pledge of patent right or utility model
CP03 Change of name, title or address
CP03 Change of name, title or address

Address after: Huangyan District of Taizhou City, Zhejiang province 318020 Jin Chuan Road No. 22 North Street

Patentee after: Zhejiang Guang Tian power equipment Limited by Share Ltd

Address before: Taizhou City, Zhejiang province 318020 West Industrial Park of Huangyan District, Sichuan Road No. 22

Patentee before: Zhejiang Guangtian Transformer Co., Ltd.

PC01 Cancellation of the registration of the contract for pledge of patent right

Date of cancellation: 20171019

Granted publication date: 20101013

Pledgee: Industrial Commercial Bank of China Ltd Taizhou Huangyan branch

Pledgor: Zhejiang Guangtian Transformer Co., Ltd.

Registration number: 2015330000059

PC01 Cancellation of the registration of the contract for pledge of patent right
PE01 Entry into force of the registration of the contract for pledge of patent right
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of utility model: Iron core of magnetic screen type magnetically controlled reactor

Effective date of registration: 20171103

Granted publication date: 20101013

Pledgee: Industrial Commercial Bank of China Ltd Taizhou Huangyan branch

Pledgor: Zhejiang Guang Tian power equipment Limited by Share Ltd

Registration number: 2017330000144

PC01 Cancellation of the registration of the contract for pledge of patent right
PC01 Cancellation of the registration of the contract for pledge of patent right

Date of cancellation: 20200109

Granted publication date: 20101013

Pledgee: Industrial Commercial Bank of China Ltd Taizhou Huangyan branch

Pledgor: Zhejiang Guang Tian power equipment Limited by Share Ltd

Registration number: 2017330000144

CX01 Expiry of patent term
CX01 Expiry of patent term

Granted publication date: 20101013