CN103489599A - Multistage continuous voltage-regulating twelve-pulse-wave rectifier transformer - Google Patents
Multistage continuous voltage-regulating twelve-pulse-wave rectifier transformer Download PDFInfo
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- CN103489599A CN103489599A CN201310462924.9A CN201310462924A CN103489599A CN 103489599 A CN103489599 A CN 103489599A CN 201310462924 A CN201310462924 A CN 201310462924A CN 103489599 A CN103489599 A CN 103489599A
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Abstract
The invention relates to the technical field of rectifier transformers, in particular to a multistage continuous voltage-regulating twelve-pulse-wave rectifier transformer. The multistage continuous voltage-regulating twelve-pulse-wave rectifier transformer comprises a voltage-regulating side transformer and a rectifier side transformer. The voltage-regulating side transformer comprises a basic winding, a phase-shifting winding, a rough regulating winding and a fine regulating winding. The rectifier side transformer comprises a high-voltage winding and a low-voltage winding. The rough regulating winding and the fine regulating winding supply power to the high-voltage winding. According to the multistage continuous voltage-regulating twelve-pulse-wave rectifier transformer, due to the mode that the phase-shifting winding is arranged on the voltage-regulating side transformer, under the same-capacity and the same-efficiency situation, materials required by the connection mode are small, the manufacturing cost is low, the investment is saved, and the performance cost ratio is high. Meanwhile, due to the fact that the design that a rough-fine regulating on-load voltage-regulating switch is adopted to conduct multistage continuous rough-fine voltage regulation is adopted, the voltage regulation is carried out by means of the rough-fine regulating on-load voltage-regulating switch, the switch can conduct continuous voltage regulation from the stage 47 to the stage 95 without the power-failure operation, the operation is easy, and the safety is high.
Description
Technical field
The present invention relates to the transformer technology field, relate in particular 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 fall to disconnect closes 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.Add a non-excitation pressure adjustment switch to realize 54 grades to 70 grades pressure regulation, to realize the technological requirement of pressure regulation on a large scale on common positive and negative tune basis.The on-load voltage regulation scope is ± 17, totally 35 grades, adds that non-excitation pressure adjustment falls to disconnect pass and just can realize the pressure regulation of 2 * 35=70 level.But need during (5%-105%) pressure regulation from low-voltage to high voltage to have a power failure, cause trouble to switch operation and smelting process like this, complicated operation, equipment investment are large.
For adapting to the smelting process demand, need the rectifier transformer of low-voltage and high-current and the rectifier power source that rectifier cabinet forms.Can produce high order harmonic component during this rectifying device operation, this high order harmonic component can produce infringement to electrical network.Can need in rectifier transformer, increase the phase shift number of rectifier transformer to the infringement of electrical network in order to suppress high order harmonic component, suppress harmonic wave by the pulse number that increases system electrical network is produced to infringement.The pulse wave that every phase shift of large rectifier transformer produces is 12 pulsating wave, and the 12 pulsating wave large rectifier transformer is comprised of a pressure regulation side transformer and two rectification side transformers.In prior art in order to realize that above pulse number arranges the phase shift winding in the rectification side transformer, be that the rectification side transformer is comprised of phase shift coil, the basic coil of high pressure, low-voltage coil, the phase shift winding adopts Z-connection to connect with the basic coil of high pressure and forms six pulse waves.Forming 12 pulsating wave just needs the rectification side that two transformers are set, so need two phase shift windings and the basic coil of high pressure.So the modulation Induction Regulation or in the lotus root pressure regulation bind mode of winding reach high efficiency 12 pulsating wave output and need material many, thereby 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 ofly carries out the multistage continuous voltage regulating 12 pulsating wave rectifier transformer to switch operation in the situation that do not have a power failure.
(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 powered to the high pressure winding.
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 coupling becomes extend-triangle.
Wherein, described rectifier transformer also comprises for placing the fuel tank of pressure regulation side transformer and rectification side transformer.
(3) beneficial effect
The present invention arranges the mode of phase shift winding at the pressure regulation side transformer, the mode that the phase shift winding is set than the rectification side transformer is saved a phase shift coil.Therefore, in the situation that with capacity with efficiency, the required material of this connection is few, low cost of manufacture, reduced investment, cost performance are high.Simultaneously, the present invention adopts on-load voltage regulating switch to carry out the design of multistage continuous voltage regulating, and its pressure regulation is to utilize thickness to adjust on-load voltage regulating switch, this switch can continuous voltage regulating to 47 grade to 95 grades and the operation that need not have a power failure is simple to operate, safe.
The accompanying drawing explanation
Fig. 1 is the elementary diagram of the multistage continuous voltage regulating 12 pulsating wave of the present invention rectifier transformer;
Fig. 2 is the phase winding Pareto diagram of the multistage continuous voltage regulating 12 pulsating wave of the present invention rectifier transformer.
Wherein: 1: the pressure regulation side transformer; 2: the 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 are used for the present invention is described, 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 adjust on-load voltage regulating switch to realize multi-stage coarse and fine continuous pressure by thickness, and power to the high pressure winding w5 of rectification side transformer 2.Adopt the 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 the defect had a power failure to switch operation, can direct pressure regulation in the transformer operation, facilitate switch operation, save time, operational efficiency is high.Pressure regulation side and net side are the electromagnetic induction relations, have avoided being connected with the direct circuit of net side.The fault of net side can not directly cause infringement to regulating circuit and secondary side like this.And phase-shift voltage regulating has increased the pulse number of system, thereby suppress the infringement of harmonic wave to electrical network, thereby increase efficiency, improved the reliability of rectifier transformer and operation of power networks.Simultaneously, rectifier transformer to 2 outputs of rectification side transformer, makes rectifier transformer secondary side voltage range large by modulation thickness winding, 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 pressure regulation side transformer 1 is comprised of phase shift winding w2, basic winding w1, coarse and fine voltage regulation winding.Because rectification side transformer 2 is comprised of two transformers, two kinds of modes of modulation Induction Regulation and self-coupling are compared with the present invention program with regard to a multiplex phase-shift line loop material, 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 the 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, from magnetic circuit outward successively: phase shift winding w2, basic winding w1, coarse adjustment winding w4 and fine tuning winding w3.
Rectifier transformer also comprises for placing the fuel tank of pressure regulation side transformer 1 and rectification side transformer 2.Fuel tank is the holding components of oil-immersed type transformer, and oil, particularly iundustrial oil are equipped with in the fuel tank the inside, because this oil thermal conductivity is good, with oil immersion, steep transformer, 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 the pressure regulation side transformer, and the mode that the phase shift winding is set than the rectification side transformer is saved a phase shift coil.Therefore, in the situation that with capacity with efficiency, the required material of this connection is few, low cost of manufacture, reduced investment, cost performance are high.Simultaneously, 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 is to utilize the thickness tune switch, and this switch can continuous voltage regulating to 47 grades-95 grades and the operation that need not have a power failure is simple, safe.
Finally it should be noted that, above embodiment is only unrestricted in order to technical scheme of the present invention to be described, although with reference to preferred embodiment, the present invention is had been described in detail, those skilled in the art are to be understood that, can modify or be equal to replacement technical scheme of the present invention, and not breaking away from the spirit and scope of technical solution of the present invention, it all should be encompassed in the middle of claim scope of the present invention.
Claims (4)
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 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 powered to the high pressure 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 and 2, is characterized in that, described phase shift winding coupling becomes extend-triangle.
4. multistage continuous voltage regulating 12 pulsating wave rectifier transformer according to claim 3, is characterized in that, described rectifier transformer also comprises for placing the fuel tank of 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 true CN103489599A (en) | 2014-01-01 |
| CN103489599B CN103489599B (en) | 2016-04-06 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105556815A (en) * | 2014-08-22 | 2016-05-04 | 赖茵豪森机械制造公司 | Switching arrangement comprising two on-load tap changers, electric system comprising a switching arrangement of said type, and use thereof |
| 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 |
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| JPH07254520A (en) * | 1994-03-15 | 1995-10-03 | Toshiba Corp | Three-phase on-load voltage and phase adjusting transformer |
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| 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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2013
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| 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 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105556815A (en) * | 2014-08-22 | 2016-05-04 | 赖茵豪森机械制造公司 | Switching arrangement comprising two on-load tap changers, electric system comprising a switching arrangement of said type, and use thereof |
| CN105556815B (en) * | 2014-08-22 | 2020-03-17 | 赖茵豪森机械制造公司 | Switching device for an electrical installation having a control winding, and electrical installation |
| 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 |
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| Publication number | Publication date |
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| CN103489599B (en) | 2016-04-06 |
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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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