CN103489599B - A kind of multistage continuous voltage regulating 12 pulsating wave rectifier transformer - Google Patents
A kind of multistage continuous voltage regulating 12 pulsating wave rectifier transformer Download PDFInfo
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Abstract
The present invention relates to rectifier transformer technical field, particularly relate to a kind of multistage continuous voltage regulating 12 pulsating wave rectifier transformer.Multistage continuous voltage regulating 12 pulsating wave rectifier transformer comprises pressure regulation side transformer and rectification side transformer, described pressure regulation side transformer comprises basic winding, Phase shift winding and coarse adjustment winding, fine tuning winding, described rectification side transformer comprises high pressure winding and low pressure winding, and described coarse adjustment winding and fine tuning winding are to high pressure winding power.The present invention arranges the mode of Phase shift winding at pressure regulation side transformer, and when same capacity is with efficiency, the material needed for this connection is few, low cost of manufacture, reduced investment, cost performance are high.Meanwhile, the present invention adopts thickness to adjust on-load voltage regulating switch to carry out the design of multistage continuous coarse and fine voltage regulation, and its pressure regulation utilizes thickness to adjust on-load voltage regulating switch, this switch can continuous voltage regulating to 47 grades to 95 grades without power failure operation, simple to operate, fail safe is high.
Description
Technical field
The present invention relates to transformer technology field, particularly relate to a kind of multistage continuous voltage regulating 12 pulsating wave rectifier transformer.
Background technology
The range of regulation of electrical network is generally ± and 10%, the industrial rectifier transformer range of regulation of electrolysis for production is large, is generally 5%-105%.In prior art, non-excitation pressure adjustment falls to disconnect and to close and on-load voltage regulating switch is that smelting process demand in order to adapt to metallurgy industry develops on common positive-negative voltage-regulation basis.Namely on common positive and negative tune basis, a non-excitation pressure adjustment switch is added to realize 54 grades to 70 grades pressure regulation, to realize the technological requirement of pressure regulation on a large scale.On-load voltage regulation scope is ± 17, totally 35 grades, adds that non-excitation pressure adjustment falls to disconnect to close and just can realize the pressure regulation of 2 × 35=70 level.But need during from low-voltage to high voltage (5%-105%) pressure regulation to have a power failure, cause trouble like this to switch operation and smelting process, complicated operation, equipment investment are large.
For adapting to smelting process demand, need the rectifier power source that the rectifier transformer of low-voltage and high-current and rectifier cabinet form.This rectifying device can produce high order harmonic component when running, and this high order harmonic component can produce infringement to electrical network.In order to suppress high order harmonic component to the infringement of electrical network, can need increase the phase shift number of rectifier transformer in rectifier transformer, by the pulse number harmonic inhabitation increasing system, infringement is produced to electrical network.The pulse wave that the every platform phase shift of large rectifier transformer produces is 12 pulsating wave, and 12 pulsating wave large rectifier transformer is made up of a pressure regulation side transformer and two rectification side transformers.In order to realize above pulse number, Phase shift winding is set in rectification side transformer in prior art, namely rectification side transformer is made up of phase shift coil, the basic coil of high pressure, low-voltage coil, and Phase shift winding and the basic coil of high pressure adopt Z-connection to connect formation six pulse wave.Forming 12 pulsating wave just needs rectification side to arrange two transformers, so need two Phase shift winding and the basic coil of high pressure.So modulation Induction Regulation or in lotus root pressure regulation the bind mode of winding reach high efficiency 12 pulsating wave and export and need material many, thus cause the manufacturing cost of rectifier transformer high, cover an area of, invest large.
Therefore, for above deficiency, the invention provides a kind of multistage continuous voltage regulating 12 pulsating wave rectifier transformer.
Summary of the invention
(1) technical problem that will solve
The technical problem that the present invention will solve is to provide a kind of low cost of manufacture, invests little multistage continuous voltage regulating 12 pulsating wave rectifier transformer.
Another technical problem that the present invention will solve is to provide a kind of carrying out when not having a power failure to the multistage continuous voltage regulating 12 pulsating wave rectifier transformer of switch operation.
(2) technical scheme
For solving the problems of the technologies described above, the invention provides a kind of multistage continuous voltage regulating 12 pulsating wave rectifier transformer, comprise pressure regulation side transformer and rectification side transformer, described pressure regulation side transformer comprises basic winding, Phase shift winding and coarse adjustment winding, fine tuning winding, described rectification side transformer comprises high pressure winding and low pressure winding, and described coarse adjustment winding and fine tuning winding are to high pressure winding power.
Wherein, described coarse adjustment winding and fine tuning winding adjust on-load voltage regulating switch to realize multi-stage coarse and fine continuous pressure by thickness.
Wherein, described Phase shift winding is coupled to extend-triangle.
Wherein, described rectifier transformer also comprises the fuel tank for placing pressure regulation side transformer and rectification side transformer.
(3) beneficial effect
The present invention arranges the mode of Phase shift winding at pressure regulation side transformer, and the mode arranging Phase shift winding compared to rectification side transformer saves a phase shift coil.Therefore, when same capacity is with efficiency, the material needed for this connection is few, low cost of manufacture, reduced investment, cost performance are high.Meanwhile, the present invention adopts on-load voltage regulating switch to carry out the design of multistage continuous voltage regulating, and its pressure regulation utilizes thickness to adjust on-load voltage regulating switch, this switch can continuous voltage regulating to 47 grades to 95 grades without power failure operation, simple to operate, fail safe is high.
Accompanying drawing explanation
Fig. 1 is the elementary diagram of the present invention's multistage continuous voltage regulating 12 pulsating wave rectifier transformer;
Fig. 2 is the phase winding Pareto diagram of the present invention's multistage continuous voltage regulating 12 pulsating wave rectifier transformer.
Wherein: 1: pressure regulation side transformer; 2: rectification side transformer; 3: magnetic circuit; W1: basic winding; W2: Phase shift winding; W3: fine tuning winding; W4: coarse adjustment winding; W5: high pressure winding; W6: low pressure winding.
Embodiment
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is described in further detail.Following examples for illustration of the present invention, but are not used for limiting the scope of the invention.
As shown in Figure 1, multistage continuous voltage regulating 12 pulsating wave rectifier transformer comprises pressure regulation side transformer 1 and rectification side transformer 2, pressure regulation side transformer 1 comprises basic winding w1, Phase shift winding w2 and coarse adjustment winding w4, fine tuning winding w3, rectification side transformer 2 comprises high pressure winding w5 and low pressure winding w6, coarse adjustment winding w4 and fine tuning winding w3 adjusts on-load voltage regulating switch to realize multi-stage coarse and fine continuous pressure by thickness, and powers to the high pressure winding w5 of rectification side transformer 2.Adopt on-load coarse and fine voltage regulation switch to carry out the design of multistage continuous voltage regulating, overcome non-excitation pressure adjustment and fall to disconnect to close and need to have a power failure to the defect of switch operation, can the direct pressure regulation when transformer runs, facilitate switch operation, save time, operational efficiency is high.Pressure regulation side is electromagnetic induction relation with net side, avoids and nets the direct circuit in side and be connected.The fault of such net side directly can not cause infringement to regulating circuit and secondary side.Further, phase-shift voltage regulating adds the pulse number of system, thus harmonic inhabitation is to the infringement of electrical network, increases efficiency thus improves the reliability of rectifier transformer and operation of power networks.Meanwhile, rectifier transformer is exported to rectification side transformer 2 by modulation thickness winding, makes rectifier transformer secondary side voltage range large, can realize 47 to 95 grades of continuous rank difference pressure regulation.
Phase shift winding w2 is arranged on pressure regulation side transformer 1, and namely pressure regulation side transformer 1 is made up of Phase shift winding w2, basic winding w1, coarse and fine voltage regulation winding.Because rectification side transformer 2 is made up of two transformers, modulation Induction Regulation and self-coupling two kinds of modes are a just multiplex phase-shift line loop material compared with the present invention program, thus multistage continuous voltage regulating 12 pulsating wave rectifier transformer of the present invention save material, low cost of manufacture, floor space little, invest little, cost performance is high.
The bind mode of Phase shift winding w2 is epitaxy delta connection, and the material that epitaxy delta connection mode needs than Z-connection is few.
As shown in Figure 2, the winding of pressure regulation side transformer 1 is sleeved on a magnetic circuit 3 jointly, in magnetic circuit outward successively: Phase shift winding w2, basic winding w1, coarse adjustment winding w4 and fine tuning winding w3.
Rectifier transformer also comprises the fuel tank for placing pressure regulation side transformer 1 and rectification side transformer 2.Fuel tank is the holding components of oil-immersed type transformer, inside fuel tank, oil is housed, particularly iundustrial oil, because this oily thermal conductivity is good, steeps transformer with oil immersion, can dispel the heat for transformer.
As can be seen from the above embodiments: the present invention arranges the mode of Phase shift winding at pressure regulation side transformer, the mode arranging Phase shift winding compared to rectification side transformer saves a phase shift coil.Therefore, when same capacity is with efficiency, the material needed for this connection is few, low cost of manufacture, reduced investment, cost performance are high.Meanwhile, the present invention adopts thickness to adjust on-load voltage regulating switch to carry out the design of multi-stage coarse and fine continuous pressure, and its pressure regulation utilizes thickness tune switch, this switch can continuous voltage regulating to 47 grades-95 grades without power failure operation, simple, fail safe is high.
Finally it should be noted that, above embodiment is only in order to illustrate technical scheme of the present invention and unrestricted, although with reference to preferred embodiment to invention has been detailed description, those skilled in the art are to be understood that, can modify to technical scheme of the present invention or equivalent replacement, and not departing from the spirit and scope of technical solution of the present invention, it all should be encompassed in the middle of right of the present invention.
Claims (3)
1. a multistage continuous voltage regulating 12 pulsating wave rectifier transformer, it is characterized in that, comprise pressure regulation side transformer and rectification side transformer, described pressure regulation side transformer is made up of basic winding, Phase shift winding, coarse adjustment winding and fine tuning winding, described rectification side transformer comprises high pressure winding and low pressure winding, and described coarse adjustment winding and fine tuning winding are to high pressure winding power;
Described Phase shift winding is coupled to extend-triangle;
The winding of described pressure regulation side transformer is sleeved on a magnetic circuit jointly, in magnetic circuit outward successively: described Phase shift winding, basic winding, coarse adjustment winding and fine tuning winding.
2. multistage continuous voltage regulating 12 pulsating wave rectifier transformer according to claim 1, is characterized in that, described coarse adjustment winding and fine tuning winding adjust on-load voltage regulating switch to realize multi-stage coarse and fine continuous pressure by thickness.
3. multistage continuous voltage regulating 12 pulsating wave rectifier transformer according to claim 1, is characterized in that, described rectifier transformer also comprises the fuel tank for placing pressure regulation side transformer and rectification side transformer.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310462924.9A CN103489599B (en) | 2013-10-08 | 2013-10-08 | A kind of multistage continuous voltage regulating 12 pulsating wave rectifier transformer |
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| CN201310462924.9A CN103489599B (en) | 2013-10-08 | 2013-10-08 | A kind of multistage continuous voltage regulating 12 pulsating wave rectifier transformer |
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| CN103489599A CN103489599A (en) | 2014-01-01 |
| CN103489599B true CN103489599B (en) | 2016-04-06 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| DE102014012266B4 (en) * | 2014-08-22 | 2024-10-02 | Maschinenfabrik Reinhausen Gmbh | Switching arrangement with two on-load tap-changers, electrical system with such a switching arrangement and its use |
| RU179354U1 (en) * | 2017-12-27 | 2018-05-11 | федеральное государственное бюджетное образовательное учреждение высшего образования "Национальный исследовательский университет "МЭИ" (ФГБОУ ВО "НИУ "МЭИ") | Cascade voltage transformer |
| CN110211785A (en) * | 2019-03-19 | 2019-09-06 | 江苏五洲电力科技有限公司 | A kind of 24 pulse wave rectifier transformer of continuous voltage regulating |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07254520A (en) * | 1994-03-15 | 1995-10-03 | Toshiba Corp | Three-phase on-load voltage and phase adjusting transformer |
| JP2001210533A (en) * | 2000-01-21 | 2001-08-03 | Hitachi Ltd | Transformer |
| CN101789305A (en) * | 2010-02-25 | 2010-07-28 | 上官远定 | Tertiary winding continuous voltage regulation rectifier transformer |
| CN201638634U (en) * | 2010-04-22 | 2010-11-17 | 江西变压器科技股份有限公司 | Multi-stage coarse-and-fine continuous voltage-regulation rectifier transformer for tertiary winding |
| CN102682979A (en) * | 2012-05-13 | 2012-09-19 | 广西柳州特种变压器有限责任公司 | Novel phase shifting rectifier transformer |
| CN103023347A (en) * | 2013-01-05 | 2013-04-03 | 广西柳州特种变压器有限责任公司 | Novel on-load-tap-changing combined rectifier auto-transformer with independent ends |
| CN203481023U (en) * | 2013-10-08 | 2014-03-12 | 保定天威集团(江苏)五洲变压器有限公司 | Multi-level continuous voltage adjusting twelve-pulse-wave rectifier transformer |
-
2013
- 2013-10-08 CN CN201310462924.9A patent/CN103489599B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07254520A (en) * | 1994-03-15 | 1995-10-03 | Toshiba Corp | Three-phase on-load voltage and phase adjusting transformer |
| JP2001210533A (en) * | 2000-01-21 | 2001-08-03 | Hitachi Ltd | Transformer |
| CN101789305A (en) * | 2010-02-25 | 2010-07-28 | 上官远定 | Tertiary winding continuous voltage regulation rectifier transformer |
| CN201638634U (en) * | 2010-04-22 | 2010-11-17 | 江西变压器科技股份有限公司 | Multi-stage coarse-and-fine continuous voltage-regulation rectifier transformer for tertiary winding |
| CN102682979A (en) * | 2012-05-13 | 2012-09-19 | 广西柳州特种变压器有限责任公司 | Novel phase shifting rectifier transformer |
| CN103023347A (en) * | 2013-01-05 | 2013-04-03 | 广西柳州特种变压器有限责任公司 | Novel on-load-tap-changing combined rectifier auto-transformer with independent ends |
| CN203481023U (en) * | 2013-10-08 | 2014-03-12 | 保定天威集团(江苏)五洲变压器有限公司 | Multi-level continuous voltage adjusting twelve-pulse-wave rectifier transformer |
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Address after: 215600 Jiangsu Province, Zhangjiagang City Economic Development Zone (South) Xinjing Road No. 5 Jiangsu Wuzhou Electric Power Technology Co. Ltd. Patentee after: Jiangsu Wuzhou Electric Power Technology Co., Ltd. Address before: 215600 Jiangsu Province, Zhangjiagang City Economic Development Zone (South) Xinjing Road 12, Baoding Print-Rite group (Jiangsu) Co., Ltd. Wuzhou transformer Patentee before: Baoding Tianwei Group (Jiangsu) Wuzhou Transformer Co., Ltd. |
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