CN206421899U - Multiphase reactor - Google Patents

Abstract

A kind of multiphase reactor is provided.Multiphase reactor is configured to possess the first core (4) for being configured at central part, be arranged at the outside of first core (4) and be configured to multiple second cores (1 annular in shape relative to the magnetic circuit of first core (4), 2,3) and wound on second core (1,2,3) one or more coilings (10 on, 20,30).Thus there is provided can be by the unified multiphase reactor for fixed value of the inductance of each phase.

Description

Multiphase reactor

Technical field

The utility model is related to a kind of multiphase reactor for the inductance that can be fixed in each phase.

Background technology

In the past, for example, three-phase reactor is used in the equipment headed by industrial robot, lathe, it is arranged at mains side (primary side) between inverter or motor etc. load-side (secondary side) between inverter, for reducing inverter Failure, improvement power factor.

Specifically, three-phase reactor is arranged to the primary side of inverter, to improve power factor (reply harmonic wave), subtract Lack shoving from power supply, or three-phase reactor is arranged at the secondary side of inverter, to mitigate electricity during operation of inverter Motivation noise, reply are shoved.In addition, in this manual, mainly illustrated by taking three-phase reactor as an example, but this practicality New application is not limited to the multiphase reactor beyond three-phase reactor or three-phase.

In addition, in the past, being used as multiphase reactor, it is proposed that various schemes.For example, in general, three-phase reactor has 3 Individual core (iron core) and 3 coilings (coil) on these cores.For example, Japanese Unexamined Patent Publication 2-203507 publications are (specially Sharp document 1) in disclose a kind of including the three-phase reactor for 3 coilings being arranged side by side.

In addition, disclosing herein below in International Publication No. No. 2014/033830 (patent document 2)：Multiple coilings are each Central axis configured around the central axis of three-phase reactor.This may be considered 3 winding sections of patent document 1 It is configured at the position rather than laterally side by side on the summit of equilateral triangle.

Also, being disclosed in Japanese Unexamined Patent Publication 2008-177500 publications (patent document 3) a kind of makes variable variable of reactance Reactor, the reactor include configured along radial direction 6 straight line magnetic cores, by these straight line magnetic cores link link magnetic core with And wound on straight line magnetic core and link the coiling on magnetic core.In addition, in order that reactance is variable, being not provided with space part.

In the past, for example, as three-phase reactor, in general, between upper core and lower core, with relative to lower core The mode in space, is transversely arranged side-by-side 3 cores for being wound with coiling respectively as defined in setting (around core).This three-phase reactor Center line around core of the device for example relative to center is symmetrical in line.

However, there is problems with by symmetrical 3 three-phase reactors formed around core of line：Center around core (around Line) it is uneven around core with two ends, therefore, it is difficult to make the inductance of this 3 phases of R phases, S-phase and T-phase unified for fixed value.

The purpose of this utility model be in view of provide the problem of above-mentioned conventional art it is a kind of can be by the inductance of each phase The unified multiphase reactor for fixed value.

Utility model content

There is provided a kind of multiphase reactor, the multiphase reactance utensil for an embodiment according to involved by the utility model It is standby：It is configured at the first core of central part；It is arranged at the outside of first core and is configured to magnetic circuit relative to first core Multiple second cores annular in shape；And one or more coilings on second core.

Preferably, second core is formed as same shape, in addition, second core is configured to around first core Center relative to first core is in rotationally symmetrical.Here, it is preferable that, the outside of first core and second core it Between be provided with defined space.In addition, the multiphase reactor can also be also equipped with space component, the space component is arranged at institute State between the outside of the first core and second core, with defined thickness.

Can also be that second core includes 2 radial legs and peripheral part, 2 institutes in the way of forming as one One end of radial leg is stated towards extending radially on the outside of first core, the peripheral part is described radial by 2 The other end connection of leg, each described coiling is on the corresponding radial leg.First core can be made Outer shape be with the shape of one end of the radial leg of multiple second cores it is corresponding round-shaped or with it is many The corresponding polygonal shape of shape of one end of the radial leg of individual second core.

Preferably, the multiphase reactor is also equipped with core fixing component, and the core fixing component is arranged at 2 adjacent institutes Between the peripheral part for stating the second core.Alternatively, it is also possible to be, the core fixing component is by the material different from multiple second cores Formed, or to be formed as one with multiple second core identical materials and second core.Also, it is also possible that institute The peripheral part that core fixing component is stated with second core is formed as round-shaped.

Can also be that the core fixing component uses to assemble or fix the multiphase reactor.In addition, Preferably, the core fixing component has defined hole respectively.The multiphase reactor can also apply three-phase alternating current Three-phase reactor.Here, multiple second cores are provided with 3 integral multiple, on 3 integral multiple second core Coiling can collect for 3.

Brief description of the drawings

Fig. 1 is the figure for illustrating the first embodiment of the multiphase reactor involved by the utility model.

Fig. 2 is the stereogram for the multiphase reactor for schematically showing the first embodiment shown in Fig. 1.

Fig. 3 is the figure for illustrating the second embodiment of the multiphase reactor involved by the utility model.

Fig. 4 is the figure for illustrating the 3rd embodiment of the multiphase reactor involved by the utility model.

Fig. 5 is the figure for illustrating the fourth embodiment of the multiphase reactor involved by the utility model.

Fig. 6 is the figure for illustrating the 5th embodiment of the multiphase reactor involved by the utility model.

Fig. 7 is the figure for illustrating the sixth embodiment of the multiphase reactor involved by the utility model.

Fig. 8 is the oscillogram of one for representing the three-phase alternating current to the multiphase reactor offer shown in Fig. 7.

Fig. 9 is for illustrating the figure of the action of the multiphase reactor shown in Fig. 7 (its 1).

Figure 10 is for illustrating the figure of the action of the multiphase reactor shown in Fig. 7 (its 2).

Figure 11 is for illustrating the figure of the action of the multiphase reactor shown in Fig. 7 (its 3).

Figure 12 is the figure of one for illustrating conventional multiphase reactor.

Embodiment

First, before the embodiment of the multiphase reactor involved by narration the utility model in detail, for reference picture 12 One and its problem points of bright conventional multiphase reactor.Figure 12 is the figure of one for illustrating conventional multiphase reactor, One for illustrating three-phase reactor.

As shown in figure 12, three-phase reactor includes upper core 104, lower core 105 and is wound with R phases, S-phase and T respectively 3 of coiling 110~130 mutually are around core 101~103.

It is configured at respectively in the way of across space d10 between upper core 104 and lower core 105 around core 101~103, For example, being wound with coiling 110 on core 101 in R phases, coiling 120 is wound with core 102 in S-phase, and And, coiling 130 is wound with core 103 in T-phase.

Here, in order that R phases, S-phase and the respective inductance of T-phase are fixed, for example, making around the respective material of core 101~103 Matter, shape and thickness are identical, in addition, making being configured at equal intervals around core 101~103.Also, make coiling 110~130 each From the number of turn and wire rod material and thickness etc. it is identical.

That is, in side view as shown in figure 12, be wound with coiling 110~130 around core 101~103 relative to edge Above-below direction is symmetrical in line by the straight line L1-L1 of the central link around core 102 in center.

However, it is as shown in figure 12 relative to straight line L1-L1 be in the symmetrical three-phase reactor of line in, there is following ask Topic：Center around core 101,103 (coiling 110,130) is all uneven anyway around core 102 (coiling 120) and two ends Weighing apparatus, it is difficult to which it is fixed value to make the inductance of R phases, S-phase and T-phase.

Below, carry out to describe the embodiment of the multiphase reactor involved by the utility model referring to the drawings in detail.In addition, under In the record in face, illustrated by taking three-phase reactor as an example, but application of the present utility model is not limited to three-phase reactor, It can be widely applied for requiring the multiphase reactor of fixed inductance in each phase.In addition, the multiphase electricity involved by the utility model Anti- device is not limited to the primary side and secondary side for the inverter being arranged in industrial robot, lathe, can be applied to various Equipment.

Fig. 1 is the figure for illustrating the first embodiment of the multiphase reactor involved by the utility model, schematic earth's surface Show the example of the three-phase reactor using three-phase alternating current.In Fig. 1, reference marker 1 represents three-phase alternating current (R phases, S-phase and T Phase) in R phases core (around core：Second core), 2 represent S-phase around core (the second core), 3 represent T-phase around core (the second core), and 4 expression central part cores (the first core).

In addition, reference marker 10 represents that coiling on the core 1 of R phases, 20 are represented on the core 2 of S-phase Coiling, 30 represent coiling on the core 3 of T-phase.That is, three-phase (multiphase) reactor of first embodiment includes configuration Central part core 4 in central part, 3 of outside of central part core 4 are arranged at around core 1,2,3 and respectively wound on this 3 3 coilings 10,20,30 on core 1,2,3.

Here, 3 to be configured to respective magnetic circuit MP1, MP2, MP3 relative to central part core 4 around core 1,2,3 annular in shape. In addition, the outside of central part core 4 and each be provided with space d between the two ends of core 1,2,3.If here, being used as magnetic circuit To consider, then in the case where setting space part d, usual space part d magnetic resistance is the leading factor of the inductance of reactor, according to Space part d determines inductance value.In general, untill high current, inductance value is fixed value.On the other hand, when making space Portion d diminishes or makes space part d when being zero, and constituting the iron of iron core, the magnetic resistance of electromagnetic steel plate turns into the leading factor of inductance, typically For, using during low current as main object.In addition, in the case where setting space part d and making space part d diminish or making space In the case that portion d is zero, the size of reactor also differs widely.

In addition, making the shape around core 1,2,3 identical and making adjacent 2 between core (1 and 2,2 and 3,3 and 1) Apart from equal.That is, 3 are configured to the center relative to the central part core 4 in rotation pair around core 1,2,3 around central part core 4 Claim.In addition, as reactor, from the viewpoint of inductance is set, the shape around core 1,2,3 may not be same shape, Even if not being configured to rotationally symmetrical, physically also there is no problem.Also, certain space part d size is also, even if coiling The space part d of core 1,2,3 is differed, and physically also there is no problem.

Further, it is possible to identical material formation (for example, the stacking of the electromagnetic steel plates such as silicon steel plate is formed) 3 around core 1, 2nd, 3, in addition, make 3 coilings 10, the material of 20,30 respective wire rods and thickness and the number of turn and winding department every etc. it is identical.This Outside, it can be formed using known various core materials and core shape around core 1,2,3 and central part core 4.Thus, 3 coilings Core 1,2,3 (3 coilings 10,20,30) is formed as equal around core, with identical inductance value.In addition, at 3 around core 1st, in the case of being provided with space in 2,3, similarly with identical inductance value.Here, space is simply by the presence of in central part In the magnetic circuit of core 4, in addition, as described above, being also not provided with space sometimes.In addition, in the same manner as around core 1,2,3, even if 3 Number of turn of individual coiling 10,20,30 etc. is differed, and physically also there is no problem.

Fig. 2 is the stereogram for the multiphase reactor for schematically showing the first embodiment shown in Fig. 1, it is schematically indicated Three-phase reactor shown in Fig. 1.As shown in Fig. 2 for example being kept by upper plate 51, lower plate 52 and casing 53 with central part Core 4 and the three-phase reactor of 3 coilings 10,20,30 (3 around core 1,2,3).Here, in upper plate 51, lower plate 52 and casing In 53, for example, it can also be provided with maintenance space d and holding and fixed center portion core 4 and 3 position relationships around core 1,2,3 Component (not shown), or be formed with for shed from use when the hot heat transmission slit of three-phase reactor (do not scheme Show) etc., this is natural.

Fig. 3 is the figure for illustrating the second embodiment of the multiphase reactor involved by the utility model, represent by around Central part core 4 be configured to around it in rotationally symmetrical 6 around core 1a, 2a, 3a, 1b, 2b, 3b (6 coiling 10a, 20a, 30a, 10b, 20b, 30b) formed three-phase reactor example.

That is, as shown in figure 3, the multiphase reactor of second embodiment for example makes wound on the opposite side positioned at central part core 4 2 coiling 10a and 10b on core 1a and 1b, 2a and 2b, 3a and 3b, 20a and 20b, 30a and 30b respectively with R phases, S Phase, T-phase accordingly turn into 3 groups, so as to form three-phase reactor.Here, 2 coilings 10a and 10b of each group, 20a and In 20b, 30a and 30b, make coiling direction and the connection of each coiling etc. whole equal, this is self-evident.

So, for example, three-phase reactor sets 3 integral multiple (being in figure 32 times) individual around core, make wound on this 3 Coiling 10a, 20a, 30a, 10b, 20b, the 30b of integral multiple on core 1a, 2a, 3a, 1b, 2b, 3b collect for R phases, S-phase and T-phase these three.Here, the multiphase reactor shown in Fig. 3 also can not be using 2 coilings as 1 group, but directly make 6 coilings 10a, 20a, 30a, 10b, 20b, 30b are independent, are thus used as six phase reactors.

Fig. 4 is the figure for illustrating the 3rd embodiment of the multiphase reactor involved by the utility model, schematic earth's surface Show the example of three-phase reactor.According to Fig. 4 and foregoing Fig. 1 comparison it is clear that, in the three-phase electricity of 3rd embodiment In anti-device, respectively include 2 radial legs 11,13,21,23 and 31,33 respectively around core (the second core) 1,2 and 3 and outer All portions 12,22 and 32, one end of 2 radial legs is in towards the outside of round-shaped central part core (the first core) 41 Radiated entends, the peripheral part connects the other end of 2 radial legs.

Each radial leg 11,13,21,23 and 31, the end surface shape of 33 one end and round-shaped central part core 41 periphery is in accordingly arc-shaped.In addition, being provided between one end of each radial leg and the periphery of central part core 41 Certain space d.

Be respectively arranged between adjacent 2 peripheral parts 12,22,32 around core 1,2,3 core fixing component 61,62, 63.That is, core fixing component 61 is provided between the peripheral part 12 around core 1 and the peripheral part 22 around core 2, around core 2 Peripheral part 22 and core fixing component 62 is provided between the peripheral part 32 of core 3, and the peripheral part 32 around core 3 with Core fixing component 63 is provided between the peripheral part 12 of core 1.

Coiling 11c, 13c are wound with respectively on 2 radial legs 11,13 (21,23,31,33) of core 1 (2,3) (21c、23c、31c、33c).In addition, making each coiling 11c, 13c, 21c, 23c, 31c, 33c on core 1,2,3 winding Direction and connection etc. are all equal.

Here, as 8~Figure 11 of reference picture is described in detail as after, being wound with the magnetic around core 1,2,3 of coiling It is substantially separated to lead to, therefore core fixing component 61,62,63 is needed not be and around core identical material (such as electromagnetic steel Plate), also can be the materials such as plastics.Also, these core fixing components 61,62,63 be for example formed with defined hole (610,620, 630) it, can be used in fixing three-phase reactor.In addition, also three-phase reactor can be assembled using core fixing component 61,62,63 Device.

Fig. 5 is the figure for illustrating the fourth embodiment of the multiphase reactor involved by the utility model, central part core Shape is different from above-mentioned 3rd embodiment.That is, as shown in figure 5, in the three-phase reactor of fourth embodiment, central part core 42 Outer shape and 3 one end around the radial leg 11,13,21,23,31,33 of core 1,2,3 shape accordingly in just Hexagon (hexagon) shape.In addition, the central part core of the end surface shape of one end of each radial leg and regular hexagon shape 42 each side is accordingly linearly.In addition, being provided between one end of each radial leg and each side of central part core 42 Certain space d.

So, central part core can turn into round-shaped, many based on the quantity around core and the shape around core etc. Side shape shape etc it is variously-shaped.In addition, in the case where forming central part core using electromagnetic steel plates such as silicon steel plates, for example The electromagnetic steel plate of same shape can be laminated along thickness (such as the short transverse in Fig. 2) to form central part core, as long as right Each coiling wick feed goes out identical condition (not damaging symmetry), can also be formed using cut core (cut core) etc. Central part core.

Fig. 6 is the figure for illustrating the 5th embodiment of the multiphase reactor involved by the utility model, relative to reference Fig. 4 is come the 3rd embodiment that illustrates there is provided thickness is d space component 7.That is, it is, for example, as wrapped that can also make space component 7 Thickness as the outside for the central part core 41 for wrapping up in cylindrical shape is d drum, is made around the radial leg of core 1,2,3 11st, 13,21,23,31,33 respective one end are close to the outside of the space component 7.

Here, for example, in the case of forming central part core 41, passing through space component 7 in the circular electromagnetic steel plate of stacking To keep the multiple circular electromagnetic steel plates being laminated, in addition, can be using the thickness of space component 7 come regulation central part core 41 With each space d between core 1,2,3, therefore, it is possible to the burden for the assembling operation for mitigating reactor, and make reactor Stability of characteristics.In addition, as space component 7, can be using the various materials headed by plastics.

In addition, in the 3rd~the 5th embodiment shown in Fig. 4~Fig. 6, such as with plastics with around core 1,2,3 not In the case of same material formation core fixing component 61,62,63, hole can be formed in core fixing component 61,62,63, utilized The hole is used to assemble or fixed three-phase reactor.

Fig. 7 is the figure for illustrating the sixth embodiment of the multiphase reactor involved by the utility model, in reference picture 4 In the 3rd embodiment of explanation, by core fixing component 61,62,63 with being formed as one around core 1,2,3.Fig. 8 is represented to Fig. 7 The oscillogram of one of the three-phase alternating current that shown multiphase reactor is provided.Here, in the multiphase reactor shown in Fig. 7, outside All portions 12,22,32 are same round-shaped with the formation of core fixing component 61,62,63.

As illustrated by reference picture 4, respectively around 2 radial legs 11,13 (21,23,31,33) of core 1 (2,3) It is upper to be wound with coiling 11c, 13c (21c, 23c, 31c, 33c) respectively, make these coilings 11c, 13c, 21c, 23c, 31c, 33c Coiling direction and connection etc. are all equal.

Here, phase (electrical angle) as shown in Figure 8 differs the three-phase alternating current of 120 ° of R phases, S-phase and T-phase Flow through each coiling 11c, 13c, 21c, 23c and 31c, 33c around core 1,2 and 3.Thus, such as 9~Figure 11 of reference picture is produced Magnetic field as explanation.Fig. 9~Figure 11 is the figure for illustrating the action of the multiphase reactor shown in Fig. 7, is represented to Fig. 7 institutes The three-phase reactor for the sixth embodiment shown provides the situation during three-phase alternating current shown in Fig. 8.

Fig. 9 (a) and Fig. 9 (b) represents the electrical angle in the oscillogram of the three-phase alternating current (voltage, electric current) shown in Fig. 8 For 0 ° of situation, Figure 10 (a) and Figure 10 (b) represents the situation that electrical angle is 60 °, moreover, Figure 11 (a) is with Figure 11's (b) situation that electrical angle is 250 ° is represented.In addition, Fig. 9 (a), Figure 10 (a) and Figure 11 (a) represents respective electric angle Magnetic flux line chart under degree, Fig. 9 (b), Figure 10 (b) and Figure 11 (b) represents the magnetic flux density figure under respective electrical angle. In addition, magnetic flux line diagram shows the flowing of magnetic flux, the intensity of the time interval magnetic flux of the line of magnetic flux line chart.In addition, (a) in Fig. 9, In Fig. 9 (b)~Figure 11 (a), Figure 11 (b), each three-phase reactor is with making the three-phase reactor dextrorotation shown in Fig. 7 Turn three-phase reactor correspondence obtained from 30 °.

First, in the three-phase alternating current shown in Fig. 8, in the case where electrical angle is 0 °, magnetic flux line chart and magnetic flux density figure As Fig. 9 (a) and Fig. 9 (b).I.e., it is known that the magnetic flux density of radial leg 11 and 13 is due to the coiling around core 1 11c and 13c and become big, circulate big magnetic flux in core 1.In addition, the defined magnetic flux that also circulated in core 2,3 is understood, though It is so smaller than flowing through magnetic flux around core 1.

On the other hand, it is known that between adjacent 2 peripheral parts 12 and 22,22 and 32,32 and 12 around core, i.e. with position There is no magnetic flux flows in the core fixing component 61 between core 1,2,3,62,63 corresponding positions.

Then, in the three-phase alternating current shown in Fig. 8, in the case where electrical angle is 60 °, magnetic flux line chart and magnetic flux density figure As Figure 10 (a) and Figure 10 (b).I.e., it is known that the magnetic flux density of radial leg 31 and 33 is due to the coiling around core 3 31c and 33c and become big, circulate big magnetic flux in core 3.In addition, the defined magnetic flux that also circulated in core 1,2 is understood, though It is so smaller than flowing through magnetic flux around core 3.

On the other hand, it is known that between adjacent 2 peripheral parts 12 and 22,22 and 32,32 and 12 around core, i.e. with position There is no magnetic flux flows in the core fixing component 61 between core 1,2,3,62,63 corresponding positions.

In addition, in the three-phase alternating current shown in Fig. 8, in the case where electrical angle is 250 °, magnetic flux line chart and magnetic flux density Figure is as Figure 11 (a) and Figure 11 (b).I.e., it is known that the magnetic flux density of radial leg 31 and 33 due to around core 3 around Line 31c and 33c and become big, circulate big magnetic flux in core 3.In addition, the defined magnetic flux that also circulated in core 2 is understood, though It is so smaller than flowing through magnetic flux around core 3, also, the magnetic flux also still circulated to a certain degree in core 1, although ratio is flowed through around core 2 and 3 magnetic flux is small.

On the other hand, it is known that between adjacent 2 peripheral parts 12 and 22,22 and 32,32 and 12 around core, i.e. with position There is no magnetic flux flows in the core fixing component 61 between core 1,2,3,62,63 corresponding positions.

Fig. 9, Figure 10 and Figure 11 represent the situation that electrical angle is 0 °, 60 ° and 250 °, but electrical angle is other angles Situation be also likewise, positioned at adjacent core fixing component 61 between core 1,2,3,62,63 corresponding positions All the time without magnetic flux flows.In addition, in (a), Figure 10 (a) in Fig. 9 and Figure 11 (a), with core fixing component 61,62, 63 corresponding positions include 1 magnetic flux line, but can be clear and definite according to Fig. 9 (b), Figure 10 (b) and Figure 11 (b) It is, even if this 1 line enters, also without magnetic flux flows.

It is based on following physical laws as its first foundation：Overall as reactor, magnetic flux can pass through magnetic flux institute The minimum path (such as around core 1,2,3) of the magnetic energy of formation, i.e. if on identical core, then magnetic flux passes through most short Path.In addition, as second foundation, being such as based on intersecting using following three in that case of such as three-phase alternating current The physical features of stream：Understood if being considered with central part core 4, be always zero from total magnetic flux sum around core 1,2,3.

So, the sixth embodiment shown in Fig. 7 for example by core fixing component 61,62,63 with around core 1,2,3 (with identical Material) form as one, even if in this case, also all the time without magnetic flux flows in core fixing component 61,62,63.Therefore, For example, hole 610,620,630 can be also formed in core fixing component 61,62,63, using the hole come for assembling or fixing three Phase reactor.

Also, above-described embodiment can be appropriately combined.For example, also the 5th embodiment shown in Fig. 6 can be applied into Fig. 7 Shown sixth embodiment, the space component 7 that thickness is d is set in the outside of round-shaped central part core 41, or by Fig. 6 The 5th shown embodiment is applied to the fourth embodiment shown in Fig. 5, is set in the outside of the central part core 42 of hexagonal shape Thickness is d space component 7, and this is self-evident.As being described in detail as more than, according to involved by the utility model Each embodiment multilayer reactor, the inductance that can be fixed in each phase.

Multiphase reactor according to involved by the utility model, playing can be by the unified value for fixation of the inductance of each phase Effect.

Embodiment is explained above, but all examples and condition recorded herein are provided to help to understand practical The concept for the utility model applied in new and technology and record, it is not desired to the example and condition especially recorded are new to practicality The scope of type is limited.In addition, this record of specification does not indicate that the merits and demerits of utility model yet.It should be appreciated that It is, although describe the embodiment of utility model in detail, but can be with the side for the spirit and scope for not departing from utility model Formula carries out various changes, displacement, deformation.

Claims (16)

1. a kind of multiphase reactor, it is characterised in that possess：

It is configured at the first core of central part；

It is arranged at the outside of first core and is configured to multiple second cores annular in shape relative to the magnetic circuit of first core；With And

One or more coilings on second core.

2. multiphase reactor according to claim 1, it is characterised in that

Second core is formed as same shape.

3. multiphase reactor according to claim 1, it is characterised in that

Second core is configured to the center relative to first core in rotationally symmetrical around first core.

4. the multiphase reactor according to any one of claims 1 to 3, it is characterised in that

Defined space is provided between the outside of first core and second core.

5. the multiphase reactor according to any one of claims 1 to 3, it is characterised in that

Space component is also equipped with, the space component is arranged between the outside of first core and second core, with regulation Thickness.

6. the multiphase reactor according to any one of claims 1 to 3, it is characterised in that

Second core includes 2 radial legs and peripheral part in the way of forming as one, 2 radial legs One end is towards extending radially on the outside of first core, and the peripheral part connects the other end of 2 radial legs Connect,

Each described coiling is on the corresponding radial leg.

7. multiphase reactor according to claim 6, it is characterised in that

The outer shape of first core is corresponding with the shape of one end of the radial leg of multiple second cores It is round-shaped.

8. multiphase reactor according to claim 6, it is characterised in that

The outer shape of first core is corresponding with the shape of one end of the radial leg of multiple second cores Polygonal shape.

9. multiphase reactor according to claim 6, it is characterised in that

Core fixing component is also equipped with, the core fixing component is arranged between the peripheral part of second core of adjacent 2.

10. multiphase reactor according to claim 9, it is characterised in that

The core fixing component is formed by the material different from multiple second cores.

11. multiphase reactor according to claim 9, it is characterised in that

The core fixing component with multiple second core identical materials and second core to form as one.

12. multiphase reactor according to claim 9, it is characterised in that

The core fixing component is formed as round-shaped with the peripheral part of second core.

13. multiphase reactor according to claim 9, it is characterised in that

The core fixing component uses to assemble or fix the multiphase reactor.

14. multiphase reactor according to claim 13, it is characterised in that

The core fixing component has defined hole respectively.

15. the multiphase reactor according to any one of claims 1 to 3, it is characterised in that

The multiphase reactor is the three-phase reactor using three-phase alternating current.

16. multiphase reactor according to claim 15, it is characterised in that

Multiple second cores are provided with 3 integral multiple,

Coiling on 3 integral multiple second core collects for 3.