CN102403112A - Phase-splitting and voltage-regulating type tertiary-splitting rectifier transformer - Google Patents

Phase-splitting and voltage-regulating type tertiary-splitting rectifier transformer Download PDF

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Publication number
CN102403112A
CN102403112A CN2010102815808A CN201010281580A CN102403112A CN 102403112 A CN102403112 A CN 102403112A CN 2010102815808 A CN2010102815808 A CN 2010102815808A CN 201010281580 A CN201010281580 A CN 201010281580A CN 102403112 A CN102403112 A CN 102403112A
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CN
China
Prior art keywords
winding
splitting
independent
phase
rectifier transformer
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
CN2010102815808A
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Chinese (zh)
Inventor
金吉昌
刘艳丽
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.)
BAODING TIANWEI GROUP (JIANGSU) WUZHOU TRANSFORMER Co Ltd
Original Assignee
BAODING TIANWEI GROUP (JIANGSU) WUZHOU TRANSFORMER 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 BAODING TIANWEI GROUP (JIANGSU) WUZHOU TRANSFORMER Co Ltd filed Critical BAODING TIANWEI GROUP (JIANGSU) WUZHOU TRANSFORMER Co Ltd
Priority to CN2010102815808A priority Critical patent/CN102403112A/en
Publication of CN102403112A publication Critical patent/CN102403112A/en
Pending legal-status Critical Current

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Abstract

The invention relates to a phase-splitting and voltage-regulating type tertiary-splitting rectifier transformer, which comprises a network-side winding, wherein a valve-side winding is arranged at a corresponding operating end of the network-side winding. The phase-splitting and voltage-regulating type tertiary-splitting rectifier transformer is characterized in that: the adopted network-side winding is split into three independent windings in the axial direction; each independent winding is provided with a separate tapping switch; and correspondingly, the adopted valve-side winding is split into three independent branches. Therefore, compared with the conventional mode of rectifying by using three transformers, a mode of adopting the tertiary-splitting rectifier transformer has the advantages that: loss and occupation area are reduced; considerable economical benefits and social benefits are created for a user; and more importantly, by respectively arranging at least three independent frequency conversion units on the independent branches of the valve-side winding, the tertiary-splitting rectifier transformer can be effectively matched with various kinds of frequency conversion units which are sold in the existing market, so that popularization and application are realized.

Description

A kind of phase-splitting pressure-adjusting type three cracking rectifier transformers
Technical field
The present invention relates to a kind of transformer, relate in particular to a kind of phase-splitting pressure-adjusting type three cracking rectifier transformers.
Background technology
Rectifier transformer is the power transformer of rectifying installation.The characteristics of rectifying installation are former side's input ACs, and export direct current behind the secondary square tube over commutation original paper.Unsteady flow is the general name of rectification, adverse current and three kinds of working methods of frequency conversion, and rectification is wherein most widely used a kind of.The transformer of using as the rectifying device power supply is called rectifier transformer.Industrial rectification DC power supply major part is all obtained through rectifier transformer and rectifying installation by AC network.
Use in the maximum chemical industry of rectifier transformer, high-power rectifying device also is that secondary voltage is low, and electric current is very big, and is therefore very big, thus they to become with electric furnace aspect a lot of be similarly, promptly before described architectural feature point, rectifier transformer possesses too.The maximum characteristics of rectifier transformer are that secondary current has been not simple alternating current; Because the unidirectional conducting characteristic of follow-up rectifier cell, each phase line are no longer simultaneously, stream has load current but the plastic flow conduction; Unidirectional pulsating current becomes direct current through filter; The secondary voltage of rectifier transformer, electric current are not only relevant with capacity connection group, like three-phase bridge rectification circuit commonly used; The rectifying circuit of two inverse band interphase reactors; Secondary voltage and electric current for the required rectifier transformer of same VD, electric current are inequality, so the calculation of parameter of rectifier transformer is prerequisite with the rectifying circuit, and general parameters calculates and all begins to calculate to primary side from secondary side.
Because it is a lot of high order harmonic components of containing of non-sine that rectification becomes winding current, in order to reduce harmonic pollution,, must improve the pulse number of rectifying installation in order to improve power factor to electrical network, this can solve through the method for phase shift.The purpose of phase shift is to make between the end line voltage of the same name of rectifier transformer secondary winding a phase shift is arranged.
And along with applying of ac variable speed technology, supporting with it drive rectifier transformer demand is also increasing, and general drive rectifier transformer and common electric power transformer device structure are similar, adopts the common double winding type.Along with disconnected the going deep into that the user uses ac variable speed technology, also increasingly high to the requirement of rectifier transformer.
Summary of the invention
The objective of the invention is to overcome the above problem that prior art exists, a kind of phase-splitting pressure-adjusting type three cracking rectifier transformers are provided.
For realizing a kind of phase-splitting pressure-adjusting type three cracking rectifier transformers of the object of the invention; Include net side winding; The corresponding working end of said net side winding is provided with valve side winding; Wherein: described net side winding is cracked into three independent winding in the axial direction, and each independent winding is provided with independent shunting switch; Described valve side winding also is cracked into three individual branches.
Further, above-mentioned a kind of phase-splitting pressure-adjusting type three cracking rectifier transformers wherein, are provided with at least three independently frequency conversion units on the valve side winding of said individual branches.
Further, above-mentioned a kind of phase-splitting pressure-adjusting type three cracking rectifier transformers, wherein, said independent winding is equipped with two coils.
Adopt technical scheme of the present invention, reduced loss and floor space, for the user has created considerable economic and social benefit.What is more important is provided with at least three independently frequency conversion units on the valve side winding through individual branches, can be effectively and the various frequency convertor assembly of being sold on the existing market close, realize applying.
The object of the invention, advantage and characteristics will illustrate through the non-limitative illustration of following preferential embodiment and explain that these embodiment only provide with reference to accompanying drawing as an example.
Description of drawings
Fig. 1 is the organigram of this phase-splitting pressure-adjusting type three cracking rectifier transformers.
The implication of each Reference numeral is following among the figure:
1 net side winding, 2 valve side windings
3 shunting switchs, 4 coils
5 frequency conversion units
Embodiment
A kind of phase-splitting pressure-adjusting type three cracking rectifier transformers as shown in Figure 1; Include net side winding 1; Corresponding working end at net side winding 1 is provided with valve side winding 2; Its special feature is: the net side winding 1 of employing is cracked into three independent winding in the axial direction, and independent winding is equipped with two coils 4, and each independent winding is provided with independent shunting switch 3.Corresponding with it is that the valve side winding 2 that the present invention adopts also is cracked into three individual branches.Like this, each tapping voltage carries out the middle part pressure regulation through an independent shunting switch 3, carries out pressure regulation mutually respectively through 3 pairs of three independent shunting switchs are every.
In conjunction with the present invention's one preferred implementation,, be provided with at least three independently frequency conversion units 5 on the valve side winding 2 of individual branches for the ease of being connected with the effective of follow-up motor.Like this in actual application; The present invention can cooperate with the frequency conversion unit 5 of Siemens in three individual branches that the cracking of valve side goes out; Make corresponding three the frequency conversion units 5 of three branches; Form three-phase 5Hz~40Hz AC power through frequency conversion unit 5, drive the steel mill electric machine motion, reach the effect of " one-machine-multi-function ".
Be used for seeing, independent shunting switch 3 is arranged again on each independent winding owing to also be cracked into three parts in the axial direction at three net side windings 1 in conjunction with actual making of the present invention.Like this, can carry out pressure regulation mutually respectively, reduce between each winding of every phase with this and cause circulation because of being in the different stray fields through 3 pairs of three independent shunting switchs are every.
Through above-mentioned character express and combine accompanying drawing to find out, adopt the present invention after, compare with three traditional transformer rectification forms, tripartition formula rectifier transformer has reduced loss and floor space, for the user has created considerable economic and social benefit.What is more important is provided with at least three independently frequency conversion units on the valve side winding through individual branches, can be effectively and the various frequency convertor assembly of being sold on the existing market close, realize applying.
Certainly, more than only be concrete exemplary applications of the present invention, protection scope of the present invention is not constituted any limitation.Except that the foregoing description, the present invention can also have other execution mode.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop within the present invention's scope required for protection.

Claims (3)

1. phase-splitting pressure-adjusting type three cracking rectifier transformers; Include net side winding; The corresponding working end of said net side winding is provided with valve side winding, it is characterized in that: described net side winding is cracked into three independent winding in the axial direction, and each independent winding is provided with independent shunting switch; Described valve side winding also is cracked into three individual branches.
2. a kind of phase-splitting pressure-adjusting type three cracking rectifier transformers according to claim 1 is characterized in that: be provided with at least three independently frequency conversion units on the valve side winding of said individual branches.
3. a kind of phase-splitting pressure-adjusting type three cracking rectifier transformers according to claim 1, it is characterized in that: said independent winding is equipped with two coils.
CN2010102815808A 2010-09-14 2010-09-14 Phase-splitting and voltage-regulating type tertiary-splitting rectifier transformer Pending CN102403112A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010102815808A CN102403112A (en) 2010-09-14 2010-09-14 Phase-splitting and voltage-regulating type tertiary-splitting rectifier transformer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2010102815808A CN102403112A (en) 2010-09-14 2010-09-14 Phase-splitting and voltage-regulating type tertiary-splitting rectifier transformer

Publications (1)

Publication Number Publication Date
CN102403112A true CN102403112A (en) 2012-04-04

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN2010102815808A Pending CN102403112A (en) 2010-09-14 2010-09-14 Phase-splitting and voltage-regulating type tertiary-splitting rectifier transformer

Country Status (1)

Country Link
CN (1) CN102403112A (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57162414A (en) * 1981-03-31 1982-10-06 Mitsubishi Electric Corp Split winding transformer
CN1933058A (en) * 2006-09-06 2007-03-21 保定天威集团有限公司 Method for producing tri-splitting drive rectifier transformer
CN201838451U (en) * 2010-09-14 2011-05-18 保定天威集团(江苏)五洲变压器有限公司 Split-phase voltage regulating type three-split rectifier transformer

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57162414A (en) * 1981-03-31 1982-10-06 Mitsubishi Electric Corp Split winding transformer
CN1933058A (en) * 2006-09-06 2007-03-21 保定天威集团有限公司 Method for producing tri-splitting drive rectifier transformer
CN201838451U (en) * 2010-09-14 2011-05-18 保定天威集团(江苏)五洲变压器有限公司 Split-phase voltage regulating type three-split rectifier transformer

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Application publication date: 20120404

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