CN108735479A - 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
- Publication number
- CN108735479A CN108735479A CN201710274389.2A CN201710274389A CN108735479A CN 108735479 A CN108735479 A CN 108735479A CN 201710274389 A CN201710274389 A CN 201710274389A CN 108735479 A CN108735479 A CN 108735479A
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- China
- Prior art keywords
- winding
- voltage regulating
- side transformer
- transformer
- pressure regulation
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/2823—Wires
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F29/00—Variable transformers or inductances not covered by group H01F21/00
- H01F29/02—Variable transformers or inductances not covered by group H01F21/00 with tappings on coil or winding; with provision for rearrangement or interconnection of windings
- H01F29/04—Variable transformers or inductances not covered by group H01F21/00 with tappings on coil or winding; with provision for rearrangement or interconnection of windings having provision for tap-changing without interrupting the load current
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Rectifiers (AREA)
Abstract
The present invention relates to rectifier transformer technical field more particularly to a kind of multistage continuous voltage regulating 12 pulsating wave rectifier transformers.Multistage continuous voltage regulating 12 pulsating wave rectifier transformer includes pressure regulation side transformer and rectification side transformer, pressure regulation side transformer includes basic winding, Phase shift winding and coarse adjustment winding, fine tuning winding, the rectification side transformer includes high-voltage winding and low pressure winding, and the coarse adjustment winding and fine tuning winding are powered to high-voltage winding.The mode of Phase shift winding is arranged in pressure regulation side transformer by the present invention, and in the case where same capacity is with efficiency, material needed for this connection is few, manufacturing cost is low, with good investment, cost-effective.Meanwhile the present invention carries out the design of multistage continuous coarse and fine voltage regulation using thickness tune on-load voltage regulating switch, pressure regulation is to utilize thickness tune on-load voltage regulating switch, which can not have to power failure operation with continuous voltage regulating to 47 grades to 95 grades, easy to operate, safe.
Description
Technical field
The present invention relates to transformer technology field more particularly to a kind of multistage continuous voltage regulating 12 pulsating wave rectifier transformers.
Background technology
The range of regulation of power grid is generally ± 10%, and the industrial rectifier transformer range of regulation of electrolysis for production is big, generally
5%-105%.It is to adapt to the smelting of metallurgy industry that non-excitation pressure adjustment, which falls to disconnect pass and on-load voltage regulating switch, in the prior art
What process requirements developed on the basis of common positive-negative voltage-regulation.Add a non-excitation pressure adjustment on the basis of common positive anti-tune
Switch is to realize 54 grades to 70 grades pressure regulation, to realize the technological requirement of a wide range of pressure regulation.On-load voltage regulation ranging from ± 17, totally 35
Grade, in addition non-excitation pressure adjustment, which falls to disconnect closing, can realize 2 × 35=70 grades of pressure regulation.But from low-voltage to high voltage (5%-
105%) it needs to have a power failure when pressure regulation, causes trouble to switch operation and smelting process in this way, it is complicated for operation, equipment investment is big.
To adapt to smelting process demand, the rectified current of the rectifier transformer and rectifier cabinet composition of low-voltage and high-current is needed
Source.The fairing will produce higher hamonic wave when running, which can generate infringement to power grid.In order to inhibit higher hamonic wave
Infringement of the meeting to power grid, need to increase the phase shift number of rectifier transformer in rectifier transformer, pass through the pulse number suppression for increasing system
Harmonic wave processed generates infringement to power grid.The pulse wave that every phase shift of large rectifier transformer generates is 12 pulsating wave, and 12 pulsating wave is large-scale
Rectifier transformer is made of a pressure regulation side transformer and two rectification side transformers.In the prior art in order to realize the above arteries and veins
Phase shift winding is arranged in wave number in rectification side transformer, i.e. rectification side transformer is by phase shift coil, the basic coil of high pressure, low pressure
Coil forms, and Phase shift winding couples to form six pulse waves with the basic coil of high pressure using Z-connection.Formation 12 pulsating wave just needs whole
It flows side and two transformers is set, so needing two Phase shift windings and the basic coil of high pressure.So modulation Induction Regulation or from lotus root
In pressure regulation the bind mode of winding reach high efficiency 12 pulsating wave output need material more, so as to cause the manufacture of rectifier transformer
It is of high cost, cover an area of, invest it is big.
Therefore, for the above deficiency, the present invention provides a kind of multistage continuous voltage regulating 12 pulsating wave rectifier transformers.
Invention content
(1) technical problems to be solved
The invention solves a technical problem be to provide that a kind of manufacturing cost is low, the small multistage continuous voltage regulating ten of investment
Two pulse wave rectifier transformers.
The invention solves another technical problem be to provide one kind and carry out to switch operation in the case where not having a power failure
Multistage continuous voltage regulating 12 pulsating wave rectifier transformer.
(2) technical solution
In order to solve the above technical problems, the present invention provides a kind of multistage continuous voltage regulating 12 pulsating wave rectifier transformer, packet
Include pressure regulation side transformer and rectification side transformer, pressure regulation side transformer include basic winding, Phase shift winding and coarse adjustment winding,
Fine tuning winding, the rectification side transformer include high-voltage winding and low pressure winding, and the coarse adjustment winding and fine tuning winding are to high pressure
Winding power.
Wherein, the coarse adjustment winding and fine tuning winding are realized multi-stage coarse and fine continuous by thickness tune on-load voltage regulating switch
Pressure.
Wherein, the Phase shift winding is coupled to extend-triangle.
Wherein, the rectifier transformer further includes the fuel tank for placing pressure regulation side transformer and rectification side transformer.
(3) advantageous effect
The mode of Phase shift winding is arranged in pressure regulation side transformer by the present invention, and Phase shift winding is arranged compared to rectification side transformer
Mode save a phase shift coil.Therefore, in the case where same capacity is with efficiency, material needed for this connection is few, manufacture
It is at low cost, with good investment, cost-effective.Meanwhile the present invention carries out the design of multistage continuous voltage regulating using on-load voltage regulating switch, adjusts
Pressure is to utilize thickness tune on-load voltage regulating switch, which can not have to power failure operation with continuous voltage regulating to 47 grades to 95 grades, operation
Simply, safe.
Description of the drawings
Fig. 1 is the elementary diagram of multistage continuous voltage regulating 12 pulsating wave rectifier transformer of the invention；
Fig. 2 is the phase winding arrangement figure of multistage continuous voltage regulating 12 pulsating wave rectifier transformer of the invention.
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-voltage winding；w6：Low pressure winding.
Specific implementation mode
With reference to the accompanying drawings and examples, the specific implementation mode of the present invention is described in further detail.Implement below
Example is not limited to the scope of the present invention for illustrating the present invention.
As shown in Figure 1, multistage continuous voltage regulating 12 pulsating wave rectifier transformer includes pressure regulation side transformer 1 and rectification side transformation
Device 2, pressure regulation side transformer 1 include basic winding w1, Phase shift winding w2 and coarse adjustment winding w4, fine tuning winding w3, rectification side transformation
Device 2 includes high-voltage winding w5 and low pressure winding w6, coarse adjustment winding w4 and fine tuning winding w3 real by thickness tune on-load voltage regulating switch
Existing multi-stage coarse and fine continuous pressure, and power to the high-voltage winding w5 of rectification side transformer 2.It is switched and is carried out using on-load coarse and fine voltage regulation
The design of multistage continuous voltage regulating overcomes non-excitation pressure adjustment to fall to disconnect the defect closed and need to have a power failure to switch operation, can be in transformation
Device direct pressure regulation when operation, facilitates switch operation, saves time, operational efficiency height.Pressure regulation side and net side are electromagnetic induction
Relationship is avoided and is connect with the direct circuit of net side.The failure of net side cannot directly cause regulating circuit and secondary side in this way
Infringement.Also, phase-shift voltage regulating increases the pulse number of system, to inhibit infringement of the harmonic wave to power grid, increases efficiency to carry
The high reliability of rectifier transformer and operation of power networks.Meanwhile rectifier transformer by modulation thickness winding to rectification side transformation
Device 2 exports so that rectifier transformer secondary side voltage range is big, can realize 47 to 95 grades of continuous rank difference pressure regulation.
Phase shift winding w2 is arranged in pressure regulation side transformer 1, i.e. pressure regulation side transformer 1 is by Phase shift winding w2, basic winding
W1, coarse and fine voltage regulation winding composition.Since rectification side transformer 2 is made of two transformers, modulation Induction Regulation and self coupling tune
Pressure two ways has just been mostly used a phase shift coil method compared with the present invention program, so of the present invention multistage continuous
Pressure regulation 12 pulsating wave rectifier transformer saving material, manufacturing cost is low, floor space is small, investment is small, cost-effective.
The bind mode of Phase shift winding w2 is epitaxy delta connection, and epitaxy delta connection mode is needed than Z-connection
Material it is few.
As shown in Fig. 2, the winding of pressure regulation side transformer 1 is sleeved on jointly on a magnetic circuit 3, out of magnetic circuit outward successively
It is：Phase shift winding w2, basic winding w1, coarse adjustment winding w4 and fine tuning winding w3.
Rectifier transformer further includes the fuel tank for placing pressure regulation side transformer 1 and rectification side transformer 2.Fuel tank is oil immersion
The support part of transformer, fuel tank the inside is equipped with oil, especially iundustrial oil, since the oil thermal conductivity is good, steeps transformation with oil immersion
Device can be that transformer radiates.
As can be seen from the above embodiments：The mode of Phase shift winding is arranged in pressure regulation side transformer by the present invention, compared to whole
The mode of stream side transformer setting Phase shift winding saves a phase shift coil.Therefore, this in the case where same capacity is with efficiency
Material needed for connection is few, manufacturing cost is low, with good investment, cost-effective.Meanwhile the present invention uses thickness tune on-load voltage regulating switch
The design of multi-stage coarse and fine continuous pressure is carried out, pressure regulation is to utilize thickness tune switch, which can be with continuous voltage regulating to 47 grade -95
Grade and do not have to power failure operation, it is simple, safe.
Finally it should be noted that the above examples are only used to illustrate the technical scheme of the present invention and are not limiting, although reference
Preferred embodiment describes the invention in detail, it will be appreciated by those skilled in the art that can be to the technical side of the present invention
Case is modified or replaced equivalently, and without departing from the spirit of the technical scheme of the invention and range, should all be covered in this hair
In bright right.
Claims (3)
1. a kind of multistage continuous voltage regulating 12 pulsating wave rectifier transformer, which is characterized in that including pressure regulation side transformer and rectification side
Transformer, pressure regulation side transformer are made of basic winding, Phase shift winding, coarse adjustment winding and fine tuning winding, the rectification side
Transformer includes high-voltage winding and low pressure winding, and the coarse adjustment winding and fine tuning winding are powered to high-voltage winding；
The Phase shift winding is coupled to extend-triangle；
The winding of pressure regulation side transformer is sleeved on jointly on a magnetic circuit, is successively outward out of magnetic circuit：The phase shift around
Group, basic winding, coarse adjustment winding and fine tuning winding.
2. multistage continuous voltage regulating 12 pulsating wave rectifier transformer according to claim 1, which is characterized in that the coarse adjustment around
Group and fine tuning winding realize multi-stage coarse and fine continuous pressure by thickness tune on-load voltage regulating switch.
3. multistage continuous voltage regulating 12 pulsating wave rectifier transformer according to claim 1, which is characterized in that the rectification becomes
Depressor further includes the fuel tank for placing pressure regulation side transformer and rectification side transformer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710274389.2A CN108735479A (en) | 2017-04-17 | 2017-04-17 | A kind of multistage continuous voltage regulating 12 pulsating wave rectifier transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710274389.2A CN108735479A (en) | 2017-04-17 | 2017-04-17 | A kind of multistage continuous voltage regulating 12 pulsating wave rectifier transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108735479A true CN108735479A (en) | 2018-11-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710274389.2A Pending CN108735479A (en) | 2017-04-17 | 2017-04-17 | A kind of multistage continuous voltage regulating 12 pulsating wave rectifier transformer |
Country Status (1)
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| CN (1) | CN108735479A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
-
2017
- 2017-04-17 CN CN201710274389.2A patent/CN108735479A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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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| Date | Code | Title | Description |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20181102 |
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| WD01 | Invention patent application deemed withdrawn after publication |