CN203351392U - Transformer with four split windings - Google Patents
Transformer with four split windings Download PDFInfo
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- CN203351392U CN203351392U CN 201220601509 CN201220601509U CN203351392U CN 203351392 U CN203351392 U CN 203351392U CN 201220601509 CN201220601509 CN 201220601509 CN 201220601509 U CN201220601509 U CN 201220601509U CN 203351392 U CN203351392 U CN 203351392U
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Abstract
The utility model discloses a transformer with four split windings. The transformer comprises an iron core, low-voltage windings and high-voltage windings, the low-voltage windings and the high-voltage windings are respectively wound on the iron core, the low-voltage windings comprises a first low-voltage winding mechanism and a second low-voltage winding mechanism, the first low-voltage winding mechanism comprises a first low-voltage winding and a second low-voltage winding, the second low-voltage winding mechanism comprises a third low-voltage winding and a fourth low-voltage winding, the high-voltage windings comprise a first high-voltage winding and a second high-voltage winding, and the first high-voltage winding and the second high-voltage winding are connected in parallel and are output. The first low-voltage winding mechanism and the second low-voltage winding mechanism are adjacent in the axial direction of the iron core. The transformer with the four split windings is high in integration degree of self assembling, lowers the height of the iron core, improves the resistance value in the short circuit process of the transformer with the four split windings, reduces transverse leakage flux, reduces ring currents, lowers mounting and transport cost, and improves using safety.
Description
Technical field
The utility model belongs to the transformer technology field, is specifically related to a kind of quabernary fission depressor, is specially adapted in three-phase voltage increasing transformer that photovoltaic generation uses.
Background technology
Existing quabernary fission depressor, as shown in Figure 1, comprise unshakable in one's determinationly 19, is wound on low pressure winding and high pressure winding 22 on unshakable in one's determination 19, and wherein, high pressure winding 22 is from as an overall structure independently, and be located at the inboard of low pressure winding; The low pressure winding divides four windings, is respectively the 5th low pressure winding 23, the 6th low pressure winding 24, the 7th low pressure winding 25 and the 8th low pressure winding 26.Wherein, the 5th low pressure winding 23, the 6th low pressure winding 24, the 7th low pressure winding 25, the 8th low pressure winding 26 axial arranging along unshakable in one's determination 19, and they are separate electric.When photovoltaic plant is used the quabernary fission depressor, usually select four inverters to share the mode of a step-up transformer, can greatly save the investment of transformer, and can also make the installing space of transformer save half.When the high pressure winding is wound on unshakable in one's determination 19, the 5th low pressure winding 23, the 6th low pressure winding 24, the 7th low pressure winding 25, the 8th low pressure winding 26 is wound on respectively on the high pressure winding and during along 19 axial arranging unshakable in one's determination, although this structure can, so that the tap of all low pressure windings is easy to outlet, can make the tap at inboard high pressure winding be difficult to outlet.And due to unshakable in one's determination 19 excessive height, higher for the insulating requirements of high pressure winding, so more increased the outlet difficulty of high pressure winding.Simultaneously, because high pressure winding 22 is as a whole, and the low pressure winding is divided into the 5th low pressure winding 23, the 6th low pressure winding 24, the 7th low pressure winding 25 and the 8th low pressure winding 26, between adjacent two windings, due to the needs of outlet, neutral must be set.Neutral position at winding, the 5th low pressure winding 23, the 6th low pressure winding 24, the 7th low pressure winding 25 and the 8th low pressure winding 26 are respectively and exist uneven ampere-turn between the high pressure winding, the existence of uneven ampere-turn has increased the leakage field of quabernary fission depressor, cause the increase of quabernary fission depressor supplementary load loss, produce local overheating when serious, affect the normal operation of quabernary fission depressor and use.Simultaneously, due to the existence of uneven ampere-turn, produce unbalanced short circuit power during the quadripartion transformer short-circuit, the dynamic stability of quabernary fission depressor is brought to great threat.Due to the excessive height of quabernary fission depressor, increased the transport difficulty of quabernary fission depressor; And this quabernary fission depressor in use is subject to used time of doing of external force or internal force when the quabernary fission depressor, because crank is easy to topple over, there is potential safety hazard.
Due to the 5th low pressure winding 23, the 6th low pressure winding 24, the 7th low pressure winding 25, the 8th low pressure winding 26 axially being arranged in order along iron core 19, they are the diverse location of corresponding high pressure winding separately, be the position difference of each low pressure winding in the quadripartion Magnetic Leakage Field of Transformer in above-mentioned four low pressure windings, impedance with respect to the high pressure winding is different separately, can cause thus the difference of output voltage when low pressure winding bringing onto load moves.
The utility model content
Technical problem to be solved in the utility model is for the deficiencies in the prior art, a kind of quabernary fission depressor is provided, the integrated level of this quabernary fission depressor self assembling is high and effectively reduce height unshakable in one's determination, improved the transformer resistance to overturning, reduce leakage field, reduced manufacture difficulty and cost.
The technical scheme that solves the employing of the utility model technical problem is that this quabernary fission depressor comprises iron core, be wound on respectively low pressure winding and high pressure winding on described iron core, wherein, described low pressure winding comprises the first low pressure winding mechanism, the second low pressure winding mechanism, described the first low pressure winding mechanism comprises the first low pressure winding and the second low pressure winding, described the second low pressure winding mechanism comprises the 3rd low pressure winding and the 4th low pressure winding, described the first low pressure winding, described the second low pressure winding, described the 3rd low pressure winding, mutual insulating between described the 4th low pressure winding, and separate electric, described high pressure winding comprises the first high pressure winding and the second high pressure winding, after described the first high pressure winding and described the second high pressure winding parallel, export, axial the above first low pressure winding mechanism at described iron core is adjacent with described the second low pressure winding mechanism.
Preferably, width at described iron core makes progress, described the first low pressure winding in described the first low pressure winding mechanism and the overlapping coiling of described the second low pressure winding, described the 3rd low pressure winding in described the second low pressure winding mechanism and the overlapping coiling of described the 4th low pressure winding; And
Axial the above first high pressure winding at described iron core is adjacent with described the second high pressure winding; Width at described iron core makes progress, and described the first low pressure winding mechanism is adjacent with described the first high pressure winding, and described the second low pressure winding mechanism is adjacent with described the second high pressure winding.
Preferably, described the first low pressure winding and described the second low pressure winding adopt the mode of lap wound to turn to described the first low pressure winding mechanism; Described the 3rd low pressure winding and described the 4th low pressure winding adopt the mode of lap wound to turn to described the second low pressure winding mechanism.
Preferably, described the first low pressure winding comprises interconnected the first winding and the 4th winding, described the second low pressure winding comprises interconnected the second winding and the tertiary winding, wherein, width at described iron core makes progress, described the second winding is positioned at the outside of described the first winding, and described the 4th winding is positioned at the outside of the described tertiary winding; Described iron core axially on, the described tertiary winding is adjacent with described the first winding, described the 4th winding is adjacent with described the second winding;
Described the 3rd low pressure winding comprises interconnected the 5th winding and the 8th winding, described the 4th low pressure winding comprises interconnected the 6th winding and the 7th winding, wherein, width at described iron core makes progress, described the 6th winding is positioned at the outside of described the 5th winding, and described the 8th winding is positioned at the outside of described the 7th winding; Described iron core axially on, described the 7th winding is adjacent with described the 5th winding, described the 8th winding is adjacent with described the 6th winding.
Preferably, the coil turn of described the first winding and the described tertiary winding can be identical also can be different, the coil turn of the coil turn of described the second winding and described the 4th winding can be identical also can be different;
Described the 5th winding is identical with the coil turn of described the 7th winding, and the coil turn of described the 6th winding is identical with the coil turn of described the 8th winding.
Preferably, described the first winding is identical with the coil turn of described the second winding; Described the 5th winding is identical with the coil turn of described the 6th winding.
Preferably, the capacity of described the first low pressure winding mechanism is identical with the capacity of the first high pressure winding, and the capacity of described the second low pressure winding mechanism is identical with the capacity of the second high pressure winding.
Preferably, described the first low pressure winding mechanism is identical with the coil turn of described the second low pressure winding mechanism.
Preferably, described the first high pressure winding is identical with the number of turn of described the second high pressure winding.
Preferably, at width unshakable in one's determination upwards, described high pressure winding is wound on the outside of described low pressure winding.Wherein, described the first high pressure winding is positioned at the outside of described the first low pressure winding mechanism, and described the second high pressure winding is positioned at the outside of described the second low pressure winding mechanism.Preferably, described quabernary fission depressor is the three-phase voltage increasing transformer.
The integrated level of self assembling of quabernary fission depressor of the present utility model improves, and has reduced height unshakable in one's determination, increased width to width, thereby it is qualitative to have improved stable gravity center, can not produce potential safety hazard; Reduce uneven ampere-turn, reduced leakage field, reduced circulation, reduced the installation and transportation cost of quabernary fission depressor, improved the safety in utilization of quabernary fission depressor.The advantages such as this quabernary fission depressor also has simple in structure, is convenient to realize, economy is reasonable.
The accompanying drawing explanation
Fig. 1 is the elementary diagram of the quabernary fission depressor of prior art;
Fig. 2 is the elementary diagram of the quabernary fission depressor of the utility model embodiment 1;
Fig. 3 is the elementary diagram of the quabernary fission depressor of the utility model embodiment 2.
In figure: 1-the first low pressure winding mechanism; 2-the second low pressure winding mechanism; 3-the first low pressure winding; 4-the second low pressure winding; 5-the 3rd low pressure winding; 6-the 4th low pressure winding; 7-the first high pressure winding; 8-the second high pressure winding; 9,18,19-iron core; 10-the first winding; 11-the second winding; The 12-tertiary winding; 13-the 4th winding; 14-the 5th winding; 15-the 6th winding; 16-the 7th winding; 17-the 8th winding; The 20-third high is pressed winding; 21-the 4th high pressure winding; 22-high pressure winding; 23-the 5th low pressure winding; 24-the 6th low pressure winding; 25-the 7th low pressure winding; 26-the 8th low pressure winding.
Embodiment
For making those skilled in the art understand better the technical solution of the utility model, below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
A kind of quabernary fission depressor, comprise iron core, be wound on low pressure winding and the high pressure winding on described iron core respectively, described low pressure winding comprises the first low pressure winding mechanism and the second low pressure winding mechanism, described the first low pressure winding mechanism comprises the first low pressure winding and the second low pressure winding, described the second low pressure winding mechanism comprises the 3rd low pressure winding and the 4th low pressure winding, wherein, described high pressure winding comprises the first high pressure winding and the second high pressure winding, after described the first high pressure winding and described the second high pressure winding parallel, exports; Axial the above first low pressure winding mechanism at described iron core is adjacent with described the second low pressure winding mechanism.
Embodiment 1
As shown in Figure 2, the quabernary fission depressor in the present embodiment comprises iron core 9, is wound on low pressure winding and high pressure winding on described unshakable in one's determination 9, and wherein, described high pressure winding is wound on the outside of low pressure winding.Described low pressure winding comprises the first low pressure winding mechanism 1 and the second low pressure winding mechanism 2, described the first low pressure winding mechanism 1 comprises the first low pressure winding 3 and the second low pressure winding 4, described the second low pressure winding mechanism 2 comprises the 3rd low pressure winding 5 and the 4th low pressure winding 6, mutual insulating between described the first low pressure winding 3, described the second low pressure winding 4, described the 3rd low pressure winding 5, described the 4th low pressure winding 6, and separate electric.Described high pressure winding comprises the first high pressure winding 7 and the second high pressure winding 8, described the first high pressure winding 7 and the second high pressure winding are along the axially-aligned of iron core 9, unshakable in one's determination 9 axially on the first high pressure winding 7 adjacent with the second high pressure winding 8, and the first high pressure winding 7 is in parallel with the second high pressure winding 8 exports afterwards; Unshakable in one's determination 9 axially on the first low pressure winding mechanism 1 adjacent with the second low pressure winding mechanism 2.And upwards, the first high pressure winding 7 is positioned at the outside of the first low pressure winding mechanism 1 to the width unshakable in one's determination 9, the second high pressure winding 8 is positioned at the outside of the second low pressure winding mechanism 2.Because the height of the reactance between the first low pressure winding mechanism 1 and the first high pressure winding 7 highly equates with the reactance between the second low pressure winding mechanism 2 and the second high pressure winding 8, so exist ampere-turn equilibrium between high pressure winding and low pressure winding.
The integrated level of this quabernary fission depressor self assembling is high, effectively reduce unshakable in one's determination 9 height, improved quabernary fission depressor resistance to overturning, reduces manufacture difficulty and cost.
Because the high pressure winding of this quabernary fission depressor adopts above-mentioned this structure, when all low pressure winding parallel operations, and during the operation of high pressure winding, the impedance between high pressure winding and low pressure winding is for passing through impedance so.，Dang tetra-tunnel low pressure winding Zhong mono-tunnel low pressure winding open circuits for the utility model, other low pressure winding operation under this operational mode, can produce so 3/4ths and pass through impedance between high pressure winding and low pressure winding; When the open circuit of two-way low pressure winding wherein, other low pressure winding operation under this operational mode, can produce and partly pass through impedance so between high pressure winding and low pressure winding; When three tunnel low pressure windings open circuits wherein, other low pressure winding operation under this operational mode, can produce so 1/4th and pass through impedance between high pressure winding and low pressure winding.This structure of quabernary fission depressor has improved the anti-short circuit capability of quabernary fission depressor greatly.
This quabernary fission depressor has the following advantages:
A. can effectively limit the low-pressure side short circuit current, thereby can select light-duty switchgear, reduce investment outlay.During normal operation, the resistance value that passes through impedance and common transformer of quabernary fission depressor is identical, and when low-pressure side one terminal shortcircuit, because the division impedance is larger, short circuit current is less.
B. at the application transformer with split winding during to four sections bussed supplies, when one section bus is short-circuited, decapacitation outside limiting short-circuit current, can also make voltage on other section bus keep certain level, the unlikely operation that affects the user effectively.
In the present embodiment, preferably, the width unshakable in one's determination 9 is the first low pressure winding 3 and the overlapping coiling of the second low pressure winding 4, the 3rd low pressure winding 5 in the second low pressure winding mechanism 2 and the overlapping coiling of the 4th low pressure winding 6 in the first low pressure winding mechanism 1 upwards.Adopt this structure, can greatly improve the integrated level of the first low pressure winding mechanism 1, thus can be so that the height of quabernary fission depressor reduces and smaller volume.
The first low pressure winding 3 and the second low pressure winding 4 are with respect to the first high pressure winding 7, no matter the position on width makes progress or be axial is almost completely identical, the position with respect to the stray field of the first high pressure winding 7 is identical, impedance with respect to the high pressure winding is identical separately, when the load running of quabernary fission depressor, between the high pressure winding of two parallel connections, can not produce circulation like this.
The 3rd low pressure winding 5 and the 4th low pressure winding 6 are with respect to the second high pressure winding 8, no matter the position on width makes progress or be axial is almost completely identical, the position with respect to the stray field of the second high pressure winding 8 is identical, impedance with respect to the high pressure winding is identical separately, when the load running of quabernary fission depressor, between the high pressure winding of two parallel connections, can not produce circulation like this.
Adjacent with described the first high pressure winding 7 to the above first low pressure winding mechanism 1 at described unshakable in one's determination 9 width, described the second low pressure winding mechanism 2 is adjacent with described the second high pressure winding 8, adopt this structure can greatly improve the integrated level of the second low pressure winding mechanism 2, thus can be so that the height of quabernary fission depressor reduces and smaller volume.
Preferably, the first low pressure winding 3 and the second low pressure winding 4 adopt the mode of lap wound to turn to the first low pressure winding mechanism 1; The 3rd low pressure winding 5 and the 4th low pressure winding 6 adopt the mode of lap wound to turn to the second low pressure winding mechanism 2.The coiling on unshakable in one's determination 9 of the first low pressure winding 3 and the second low pressure winding 4 adopts the mode of lap wound, get the leading-out terminal tap a1 of the first low pressure winding 3 while starting coiling and the leading-out terminal tap a2 Juxtaposition and Superimposition of the second low pressure winding 4 is arranged simultaneously, take the synchronous equidirectional first low pressure winding mechanism 1 that turns to, when coiling completes, the another one leading-out terminal tap of the first low pressure winding 3 is tap x1, and the another one leading-out terminal tap of the second low pressure winding 4 is tap x2.In like manner, the coiling on unshakable in one's determination 9 of the 3rd low pressure winding 5 and the 4th low pressure winding 6 adopts the mode of lap wound, get the leading-out terminal tap a3 of the 3rd low pressure winding 5 while starting coiling and the leading-out terminal tap a4 Juxtaposition and Superimposition of the 4th low pressure winding 6 is arranged simultaneously, take the synchronous equidirectional second low pressure winding mechanism 2 that turns to, when coiling completes, the another one leading-out terminal tap of the 3rd low pressure winding 5 is tap x3, and the another one leading-out terminal tap of the 4th low pressure winding 6 is tap x4.For the other two-phase of three-phase quabernary fission depressor, be that the coiling of b phase and c phase is identical with said method.This winding method has improved the integrated level of quabernary fission depressor greatly.Simultaneously, due to the first low pressure winding mechanism 1 and the first high pressure winding 7 intersecting chains, the second low pressure winding mechanism 2 and the second high pressure winding 8 intersecting chains, make the ampere-turn between high pressure winding and low pressure winding be able to balanced distribution, thereby the reduction own loss, improved the stability of quabernary fission depressor self.
Preferably, the capacity of the first low pressure winding mechanism 1 is identical with the capacity of the first high pressure winding 7, and the capacity of the second low pressure winding mechanism 2 is identical with the capacity of the second high pressure winding 8.
Preferably, the first low pressure winding mechanism 1 is identical with the coil turn of the second low pressure winding mechanism 2.Certainly, the first low pressure winding mechanism 1 can be not identical with the coil turn of the second low pressure winding mechanism 2 yet.
Preferably, described the first high pressure winding 7 is identical with the number of turn of described the second high pressure winding 8.Certainly, described the first high pressure winding 7 can be not identical with the number of turn of described the second high pressure winding 8 yet.
Described quabernary fission depressor is specially adapted in three-phase voltage increasing transformer that photovoltaic generation uses.
The integrated level of self assembling of quabernary fission depressor of the present utility model is improved, reduced unshakable in one's determination 9 height, improved width to width, thereby it is qualitative to have improved stable gravity center, reduced the installation and transportation cost of quabernary fission depressor, simultaneously, because its ampere-turn equilibrium is good, farthest reduce uneven ampere-turn and consequent leakage field, improved the safety in utilization of quabernary fission depressor.And this quabernary fission depressor is simple in structure, to be convenient to realize, economy is reasonable.
As shown in Figure 3, the present embodiment provides a kind of quabernary fission depressor, comprises iron core 18, low pressure winding and the high pressure winding of winding on unshakable in one's determination 18, and wherein, described high pressure winding is wound on the outside of low pressure winding.Described low pressure winding comprises the first low pressure winding mechanism 1, the second low pressure winding mechanism 2, described the first low pressure winding mechanism 1 comprises the first low pressure winding 3 and the second low pressure winding 4, described the second low pressure winding mechanism 2 comprises the 3rd low pressure winding 5 and the 4th low pressure winding 6, mutual insulating between described the first low pressure winding 3, described the second low pressure winding 4, described the 3rd low pressure winding 5, described the 4th low pressure winding 6, and separate electric.Described high pressure winding comprises third high pressure winding 20 and the 4th high pressure winding 21, and described third high is pressed winding 20 and the axially-aligned of described the 4th high pressure winding 21 along iron core 18, and output after both parallel connections; Unshakable in one's determination 18 axially on the first low pressure winding mechanism 1 adjacent with the second low pressure winding mechanism 2.
Preferably, the first low pressure winding 3 and the overlapping coiling of the second low pressure winding 4 in described unshakable in one's determination 18 width makes progress the first low pressure winding mechanism 1, the 3rd low pressure winding 5 in the second low pressure winding mechanism 2 and the overlapping coiling of the 4th low pressure winding 6; And
Unshakable in one's determination 18 axially on third high press winding 20 adjacent with the 4th high pressure winding 21; Upwards, the first low pressure winding mechanism 1 presses winding 20 adjacent with third high to width unshakable in one's determination 18, and the second low pressure winding mechanism 2 is adjacent with the 4th high pressure winding 21.
Preferably, the first low pressure winding 3 comprises interconnected the first winding 10 and the 4th winding 13, the second low pressure winding 4 comprises interconnected the second winding 11 and the tertiary winding 12, wherein, width unshakable in one's determination 18 upwards the second winding 11 is positioned at the outside of the first winding 10, and the 4th winding 13 is positioned at the outside of the tertiary winding 12; Unshakable in one's determination 18 axially on the tertiary winding 12 adjacent with the first winding 10, the 4th winding 13 is adjacent with the second winding 11; Mutual insulating between the first low pressure winding 3 and the second low pressure winding 4.By said structure, by the two-way low pressure winding chi structure that design forming is " X " cleverly, make the first low pressure winding 3 and the second low pressure winding 4 along width unshakable in one's determination to cross arrangement, reduced the height of unshakable in one's determination and low pressure winding.
Described the 3rd low pressure winding 5 comprises interconnected the 5th winding 14 and the 8th winding 17, described the 4th low pressure winding 6 comprises interconnected the 6th winding 15 and the 7th winding 16, wherein, width unshakable in one's determination 18 upwards the 6th winding 15 is positioned at the outside of the 5th winding 14, and the 8th winding 17 is positioned at the outside of the 7th winding 16; Described unshakable in one's determination 18 axially on the 7th winding 16 adjacent with the 5th winding 14, the 8th winding 17 is adjacent with the 6th winding 15; Mutual insulating between the 3rd low pressure winding 5 and the 4th low pressure winding 6.By said structure, by the two-way low pressure winding chi structure that design forming is " X " cleverly, make the 3rd low pressure winding 5 and the 4th low pressure winding 6 along width unshakable in one's determination to cross arrangement, reduced the height of unshakable in one's determination and low pressure winding.The horizontal leakage field of nothing between such the first low pressure winding 3 and the second low pressure winding 4, the horizontal leakage field of nothing between the 3rd low pressure winding 5 and the 4th low pressure winding 6, thus reduce own loss, improved the stability of quabernary fission depressor self.
Preferably, described high pressure winding is wound on the outside of described low pressure winding.Particularly, the first high pressure winding 7 is wound on the outside of the winding of the chi structure that the first low pressure winding 3 and the second low pressure winding 4 form, the second high pressure winding 8 is wound on the outside of the winding of the chi structure that the 3rd low pressure winding 5 and the 4th low pressure winding 6 form, due to the high pressure winding without division, so reduced the height of high pressure winding, increase the integral-filled coefficient of high pressure winding, thereby saved raw material.
Preferably, described the first winding 10 is identical with the coil turn of the described tertiary winding 12, and the coil turn of described the second winding 11 is identical with the coil turn of described the 4th winding 13; Described the 5th winding 14 is identical with the coil turn of described the 7th winding 16, and the coil turn of described the 6th winding 15 is identical with the coil turn of described the 8th winding 17.Certainly, the coil turn of described the first winding 10 and the described tertiary winding 12 can be identical also can be different, the coil turn of the coil turn of described the second winding 11 and described the 4th winding 13 can be identical also can be different; The coil turn of described the 5th winding 14 and described the 7th winding 16 can be identical also can be different, the coil turn of the coil turn of described the 6th winding 15 and described the 8th winding 17 can be identical also can be different.
Preferably, described the first winding 10 is identical with the coil turn of described the second winding 11; Described the 5th winding 14 is identical with the coil turn of described the 6th winding 15.Improve the winding degree of balance of quabernary fission depressor, thereby improved the ampere-turn equilibrium of quabernary fission depressor.Certainly, described the first winding 10 can be not identical with the coil turn of described the second winding 11 yet; Described the 5th winding 14 can be not identical with the coil turn of described the 6th winding 15 yet.
Preferably, the capacity of described the first low pressure winding mechanism 1 presses the capacity of winding 20 identical with third high, and the capacity of described the second low pressure winding mechanism 2 is identical with the capacity of the 4th high pressure winding 21.
Preferably, described the first low pressure winding mechanism 1 is identical with the coil turn of described the second low pressure winding mechanism 2.Certainly, described the first low pressure winding mechanism 1 can be not identical with the coil turn of described the second low pressure winding mechanism 2 yet.
Preferably, described the first high pressure winding 7 is identical with the number of turn of described the second high pressure winding 8, and capacity equates, the high pressure winding is equal with the capacity between corresponding low pressure winding simultaneously, reactance is highly equal.The winding degree of balance of whole like this quabernary fission depressor is the highest, and the ampere-turn equilibrium of whole transformer is the highest.Like this, when the first low pressure winding 3, the second low pressure winding 4, the 3rd low pressure winding 5, the 4th low pressure winding 6, respectively during the bringing onto loads operation, output voltage separately is identical, has reduced the circulation between the high pressure winding of two parallel connections, has reduced circulation loss.Certainly, described the first high pressure winding 7 can be not identical with the number of turn of described the second high pressure winding 8 yet, and capacity is unequal.
Described quabernary fission depressor is applicable in the three-phase voltage increasing transformer, and this three-phase voltage increasing transformer can be the three-phase voltage increasing transformer used in photovoltaic generation.
Be understandable that, above execution mode is only the illustrative embodiments adopted for principle of the present utility model is described, yet the utility model is not limited to this.For those skilled in the art, in the situation that do not break away from spirit of the present utility model and essence, can make various modification and improvement, these modification and improvement also are considered as protection range of the present utility model.
Claims (12)
1. a quabernary fission depressor, comprise iron core, be wound on low pressure winding and the high pressure winding on described iron core respectively, wherein, described low pressure winding comprises the first low pressure winding mechanism and the second low pressure winding mechanism, described the first low pressure winding mechanism comprises the first low pressure winding and the second low pressure winding, described the second low pressure winding mechanism comprises the 3rd low pressure winding and the 4th low pressure winding, it is characterized in that, described high pressure winding comprises the first high pressure winding and the second high pressure winding, after described the first high pressure winding and described the second high pressure winding parallel, exports; Axial the above first low pressure winding mechanism at described iron core is adjacent with described the second low pressure winding mechanism.
2. quabernary fission depressor according to claim 1, it is characterized in that, width at described iron core makes progress, described the first low pressure winding in described the first low pressure winding mechanism and the overlapping coiling of described the second low pressure winding, described the 3rd low pressure winding in described the second low pressure winding mechanism and the overlapping coiling of described the 4th low pressure winding; And
Axial the above first high pressure winding at described iron core is adjacent with described the second high pressure winding; Width at described iron core is adjacent with described the first high pressure winding to the above first low pressure winding mechanism, and described the second low pressure winding mechanism is adjacent with described the second high pressure winding.
3. quabernary fission depressor according to claim 1 and 2, is characterized in that, described the first low pressure winding and described the second low pressure winding adopt the mode of lap wound to turn to described the first low pressure winding mechanism; Described the 3rd low pressure winding and described the 4th low pressure winding adopt the mode of lap wound to turn to described the second low pressure winding mechanism.
4. quabernary fission depressor according to claim 1 and 2, it is characterized in that, described the first low pressure winding comprises interconnected the first winding and the 4th winding, described the second low pressure winding comprises interconnected the second winding and the tertiary winding, wherein, width at described iron core makes progress, and described the second winding is positioned at the outside of described the first winding, and described the 4th winding is positioned at the outside of the described tertiary winding; Described iron core axially on, the described tertiary winding is adjacent with described the first winding, described the 4th winding is adjacent with described the second winding;
Described the 3rd low pressure winding comprises interconnected the 5th winding and the 8th winding, described the 4th low pressure winding comprises interconnected the 6th winding and the 7th winding, wherein, width at described iron core makes progress, described the 6th winding is positioned at the outside of described the 5th winding, and described the 8th winding is positioned at the outside of described the 7th winding; Described iron core axially on, described the 7th winding is adjacent with described the 5th winding, described the 8th winding is adjacent with described the 6th winding.
5. quabernary fission depressor according to claim 4, is characterized in that,
Described the first winding is identical with the coil turn of the described tertiary winding, and the coil turn of described the second winding is identical with the coil turn of described the 4th winding;
Described the 5th winding is identical with the coil turn of described the 7th winding, and the coil turn of described the 6th winding is identical with the coil turn of described the 8th winding.
6. quabernary fission depressor according to claim 5, is characterized in that,
Described the first winding is identical with the coil turn of described the second winding;
Described the 5th winding is identical with the coil turn of described the 6th winding.
7. quabernary fission depressor according to claim 1, is characterized in that, the capacity of described the first low pressure winding mechanism is identical with the capacity of the first high pressure winding, and the capacity of described the second low pressure winding mechanism is identical with the capacity of the second high pressure winding.
8. quabernary fission depressor according to claim 7, is characterized in that, described the first low pressure winding mechanism is identical with the coil turn of described the second low pressure winding mechanism.
9. quabernary fission depressor according to claim 4, is characterized in that, at width unshakable in one's determination upwards, described high pressure winding is positioned at the outside of described low pressure winding.
10. quabernary fission depressor according to claim 4, is characterized in that, described quabernary fission depressor is the three-phase voltage increasing transformer.
11. according to claim 1 or 2 or 7 or 8 described quabernary fission depressors, it is characterized in that, at width unshakable in one's determination upwards, described high pressure winding is positioned at the outside of described low pressure winding.
12. according to claim 1 or 2 or 7 or 8 described quabernary fission depressors, it is characterized in that, described quabernary fission depressor is the three-phase voltage increasing transformer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220601509 CN203351392U (en) | 2012-11-12 | 2012-11-12 | Transformer with four split windings |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220601509 CN203351392U (en) | 2012-11-12 | 2012-11-12 | Transformer with four split windings |
Publications (1)
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| CN203351392U true CN203351392U (en) | 2013-12-18 |
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| CN 201220601509 Expired - Fee Related CN203351392U (en) | 2012-11-12 | 2012-11-12 | Transformer with four split windings |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104900393A (en) * | 2015-05-21 | 2015-09-09 | 广州金升阳科技有限公司 | Winding method and product for flyback transformer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104900393A (en) * | 2015-05-21 | 2015-09-09 | 广州金升阳科技有限公司 | Winding method and product for flyback transformer |
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