CN105070476B - A kind of Anode saturable reactor of DC converter valve - Google Patents
A kind of Anode saturable reactor of DC converter valve Download PDFInfo
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- CN105070476B CN105070476B CN201510518434.5A CN201510518434A CN105070476B CN 105070476 B CN105070476 B CN 105070476B CN 201510518434 A CN201510518434 A CN 201510518434A CN 105070476 B CN105070476 B CN 105070476B
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Abstract
The embodiment of the invention discloses a kind of Anode saturable reactor of DC converter valve, including：Shell, one group of coil, at least one pair of iron core and iron core radiator；Each iron core includes the first core portion and the second core portion, and first core portion and second core portion are U-shape structure or left and right c-type structure up and down；At least one pair of iron core forms closing coupling between snapping onto the inside and outside wall of one group of coil in pairs；At least one pair of iron core is circumferentially disposed along one group of coil；Iron core radiator is arranged in the inwall of one group of coil, is contacted with least one pair of iron core, and iron core radiator is exposed in air, and is docked with shell.
Description
Technical field
The present invention relates to the reactor technology in power system component field, more particularly to a kind of sun of DC converter valve
Pole saturable reactor.
Background technology
DC converter valve, can with the critical component that saturable reactor is super extra-high voltage direct-current transmission engineering thyristor valves
For reducing the surge current climbing of converter valve, suppress the converter valve voltage build-up rate under thunder and lightning, steep wave, and converter valve is risen
To the effect of pressure, the purpose of protection converter valve has been reached.
Existing DC converter valve Anode saturable reactor mainly has following several ways：Mode one, using fixing line
The number of turn is enclosed, iron core logarithm is adjustable, coil and iron core are placed in the upper and lower covers of DC converter valve saturable reactor and fill anti-
Blanket, the shortcoming of this mode is that iron core radiating effect is poor, and on the premise of performance requirement is met, core loss is larger.
Mode two, is coupled to form using the coil windings of a pair of iron cores and the variable number of turn, can be by adjusting the piece number and coil of iron core
The number of turn adjust inductance jointly, the shortcoming of this mode is that reactor appearance and size is difficult to control to, and iron core and coil lead to
Independent cooling by water is crossed, water route is complicated.Mode three, the DC converter valve sun of water-cooled is individually set for coil and iron core
Pole saturable reactor, the DC converter valve Anode saturable reactor has preferable performance in terms of radiating, antidetonation, noise reduction,
But due to adding iron core water-cooled branch road, it result in the complexity and water line block and the possibility of leak of water route design.
The content of the invention
In order to solve the above technical problems, the embodiment of the present invention is expected to provide a kind of anode film reactance of DC converter valve
Device, can simplify waterway structure, reduce water line block and the possibility reduction water line block and the possibility of leak of leak.
The technical proposal of the invention is realized in this way：
The embodiment of the present invention provides a kind of Anode saturable reactor of DC converter valve, the Anode saturable reactor bag
Include：Shell, one group of coil, at least one pair of iron core and iron core radiator；Each iron core includes the first core portion and the second iron core
Part, first core portion and second core portion are U-shape structure or left and right c-type structure up and down；
At least one pair of described iron core is snapped onto between the inside and outside wall of one group of coil in pairs, forms closing coupling；
At least one pair of described iron core is circumferentially disposed along one group of coil；
The iron core radiator is arranged in the inwall of one group of coil, is contacted with least one pair of described iron core, and institute
State iron core radiator to expose in air, and docked with the shell.
In the Anode saturable reactor of above-mentioned DC converter valve, one end of one group of coil is provided with the first terminals
Son, the other end of one group of coil is provided with the second binding post, and first binding post is provided with the first copper bar and institute
State and the second copper bar is provided with the second binding post, first copper bar is parallel with second copper bar, first terminals
The joint of connecting water pipe on sub and described second binding post, one group of coil is hollow form, one group of coil winding
Outward appearance is loop coil, is cast after one group of coil winding by epoxy resin；Wherein, first binding post and described
Two binding posts are located at the homonymy of one group of coil.
In the Anode saturable reactor of above-mentioned DC converter valve, the iron core radiator is loop configuration；The shell
Including：Lid and annular lower cover in annular；Between the annular inner wall and the annular inner wall of annular lower cover that are covered in the annular of the shell
Annular region is formed, the iron core radiator is arranged in the annular region, docked with the shell.
In the Anode saturable reactor of above-mentioned DC converter valve, the Anode saturable reactor of the DC converter valve is also wrapped
Include：Packed layer；The annular inner wall that is covered in the annular of the iron core radiator and the shell and the annular lower cover of the shell
Docked between annular inner wall, form internal closed space；
The packed layer is arranged in the closing space, wherein, the packed layer is anti-seismic material and/or sound-absorbing material
Composition.
In the Anode saturable reactor of above-mentioned DC converter valve, the inwall of the iron core radiator is perpendicular corrugated.
In the Anode saturable reactor of above-mentioned DC converter valve, coolant duct is provided with the iron core radiator,
The coolant duct is spirality, the inwall contact of the coolant duct and the iron core radiator.
In the Anode saturable reactor of above-mentioned DC converter valve, the Anode saturable reactor of the DC converter valve is also wrapped
Include：Air gap pad and iron core clamping element；First core portion is corresponding with second core portion to snap onto one group of line
Closing coupling is formed between the inside and outside wall of circle；
The air gap pad is arranged at the snapping of first core portion and second core portion, and by described
Iron core clamping element is fixed.
In the Anode saturable reactor of above-mentioned DC converter valve, the Anode saturable reactor of the DC converter valve is also wrapped
Include：Silicagel pad；The silicagel pad is arranged on described between at least one iron core and iron core radiator.
In the Anode saturable reactor of above-mentioned DC converter valve, the logarithm of at least one pair of iron core and the air gap pad
Thickness be adjusted according to actual parameter.
In the Anode saturable reactor of above-mentioned DC converter valve, one group of coil surface is wrapped into coiling after insulating barrier
Shaping, non-casting epoxy resin, the material and thickness and the number of plies for wrapping insulating barrier is according to the insulation of one group of coil
It is required that being adjusted.
The embodiments of the invention provide a kind of Anode saturable reactor of DC converter valve, the anode of the DC converter valve is satisfied
Include with reactor：Shell, one group of coil, at least one pair of iron core and iron core radiator；Each iron core includes the first core portion
With the second core portion, first core portion and second core portion are U-shape structure or left and right c-type structure up and down；At least
A pair of iron cores form closing coupling between snapping onto the inside and outside wall of one group of coil in pairs；Week of at least one pair of iron core along one group of coil
To setting；Iron core radiator is arranged in the inwall of one group of coil, is contacted with least one pair of iron core, and iron core radiator is exposed to
In air, and docked with shell.The Anode saturable reactor of DC converter valve is realized using above-mentioned technology, is employed natural air cooled
Or the iron core radiator of water-cooled design, it is to avoid in the iron core water-cooled branch road that reactor indoor design is complicated, simplify reactor
Structure, reduces the possibility of water line block and leak.
Brief description of the drawings
Fig. 1 illustrates for a kind of surface structure of Anode saturable reactor of DC converter valve provided in an embodiment of the present invention
Figure；
Fig. 2 illustrates for a kind of internal structure of Anode saturable reactor of DC converter valve provided in an embodiment of the present invention
Figure；
Fig. 3 is a kind of radial section graph structure of the Anode saturable reactor of DC converter valve provided in an embodiment of the present invention
Schematic diagram；
Fig. 4 is the structural representation of one group of exemplary coil provided in an embodiment of the present invention；
Fig. 5 is the close-up schematic view of exemplary coolant duct provided in an embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described.
Embodiment
Exemplary combination Fig. 1, Fig. 2 and Fig. 3 understands that the embodiment of the present invention provides a kind of anode film of DC converter valve
Reactor 1, the Anode saturable reactor 1 of the DC converter valve includes：Shell 10, one group of coil 11, at least one pair of He of iron core 12
Iron core radiator 13；Each iron core 12 includes the first core portion 120 and the second core portion 121, first core portion
120 and second core portion 121 for up and down U-shape structure or left and right c-type structure.
At least one pair of described iron core 12 is snapped onto between the inside and outside wall of one group of coil 11 in pairs, forms closing coupling.
At least one pair of described iron core 12 is circumferentially disposed along one group of coil 11.
The iron core radiator 13 is arranged in the inwall of one group of coil 11, is connect with least one pair of described iron core 12
Touch, and the iron core radiator 13 is exposed in air, and docked with the shell 10.
It should be noted that the standard number of turn of one group of coil 11 in the embodiment of the present invention is 4 circles, at least one pair of iron core 12
Total logarithm can be adjusted according to specific inductance value come requirement.
Further, the iron core radiator 13 in the embodiment of the present invention has certain height and thickness, wherein, the iron core
The height of radiator 13 can specifically be determined according to the caloric value of core dimensions and iron core.
It is understood that at least one pair of iron core 12 has U-shaped or c-type structure, and distributed arrangement is used, in one group of line
The circumference of circle 11, at least one pair of U-shaped or c-type structure iron core 12 is buckled between the inside and outside wall of one group of coil 11 in pairs, shape
Into closing coupling.When inductance value changes, it is necessary to when at least one pair of iron core 12 is adjusted, it is only necessary to change at least one pair of iron
The logarithm of core 12, and profile and size need not be changed, i.e., it need not in addition be designed, so as to simplify manufacturing process, be conducive to
Realize Structured Design and industrialization production.The Anode saturable reactor 1 of DC converter valve i.e. provided in an embodiment of the present invention, can
Fixed with the number of turn for remaining one group of coil 11, the adjustable reactor of logarithm of at least one pair of iron core 11, so as to so that
The demand under different application just must can be met by adjusting iron core logarithm, without design iterations coil and core dimensions, simplified
Designing and manufacturing technique.
It is preferred that, as shown in Fig. 2 one end of one group of coil 11 is provided with the first binding post 110, one group of line
The other end of circle 11 is provided with the second binding post 111, and first binding post 110 is provided with the first copper bar 14 and described the
The second copper bar 15 is provided with two binding posts 111, first copper bar 14 is parallel with second copper bar 15, described first connects
The joint 16 of connecting water pipe in line terminals 110 and second binding post 111, one group of coil 11 is hollow form, described
The outward appearance of one group of coiling of coil 11 is loop coil, is cast after one group of coil 11 coiling by epoxy resin；Wherein, described
One binding post 110 and second binding post 111 are located at the homonymy of one group of coil 11.
Optionally, one group of coil 11 can be the aluminum pipe of hollow form.
It should be noted that because one group of coil 11 is hollow form structure, cooling water can enter one group of coil 11
Hollow space, the pipeline for the hollow form for operationally carrying out group coil of cooling effect, i.e., one 11 to one group of coil 11 can be made
For the passage of cooling water, one group of coil 11 is cooled down, so as to enormously simplify waterway structure.One group of coiling of coil 11
Outward appearance is loop coil, is cast after one group of coiling of coil 11 by epoxy resin, and this causes the anode film electricity of DC converter valve
The structure of anti-device 1 is more dexterous, is easy to installing.
It is understood that the of the water pipe head 16 of the first binding post connection of one group of coil 11 and one group of coil 11
The water pipe head 16 of two binding posts connection, one as cooling water system entrance, one as coolant outlet, it is specific which
Individual water pipe head 16 is exported as cooling water system entrance, which water pipe head 16 as cooling water system, the embodiment of the present invention
It is not restricted.
Optionally, in embodiments of the present invention, one group of coil 11 can also circular, biserial track be ellipse for hollow form coiling
The shape of all suitable hollow form structures such as circle, rounded square (as shown in Figure 4), the embodiment of the present invention is not restricted this group
The coiling shape of coil 11, is cast after one group of coiling of coil 11 by epoxy resin.
It is preferred that, the iron core radiator 13 is loop configuration；The shell 10 includes：In annular under lid 100 and annular
Lid 101；In the annular of the shell 10 annulus is formed between the annular inner wall of the annular inner wall of lid 100 and annular lower cover 101
Domain, the iron core radiator 13 is arranged in the annular region, is docked with the shell 10.
It should be noted that shell 10 upper lid 100 and shell 10 lower cover 101 upright projection be annular.
When 1 horizontal positioned of Anode saturable reactor of DC converter valve, the lower edge of the inner circle side of upper lid 100 of shell 10 is higher than cylindrical side
Along less than edge, the upper lid 100 of shell 10 and the lower cover 101 of shell 10 on cylindrical side on lower edge, the inner circle side of lower cover 101 of shell 10
After splicing, an annular region is left in the inner circle side of whole shell 10.
Optionally, the Anode saturable reactor 1 of the DC converter valve also includes：Packed layer 17；The iron core radiator
13 and the shell 10 annular on lid 100 annular inner wall and the shell 10 annular lower cover 101 annular inner wall between
Docking, forms internal closed space.
The packed layer 17 is arranged in the closing space, wherein, the packed layer 17 is anti-seismic material and/or sound absorption
Material is constituted.
It is exemplary, iron core radiator 13 be arranged on lid 100 and shell 10 in the annular of shell 10 annular lower cover 101 it
Between inner circle side annular region, and be brought into close contact, make outer with the annular lower cover 101 of lid 100 and shell 10 in the annular of shell 10
Lid 100, the annular lower cover 101 of shell 10 and one closing space of formation of iron core radiator 12 in the annular of shell 10, in the closing
Filled polyurethane (silicagel pad 21) in space, the inside is fixed on by one group of coil 11 and at least one pair of iron core 12.
It is understood that after iron core radiator 13 and the closed butt joint of shell 10, being internally filled with closing space
Layer 17 is filled, the packed layer constitutes for antidetonation acoustic damping materials (anti-seismic material and/or sound-absorbing material), by one group of coil 11 and at least one
In iron core 12 is filled in, integrally-built stability further enhancing
Optionally, the inwall 130 of the iron core radiator 13 is perpendicular corrugated.
It should be noted that the exposed parts in the inwall of iron core radiator 13 are set to perpendicular corrugated, to increase radiating
Area, improves radiating effect.
It is preferred that, as shown in figure 5, being provided with coolant duct 18, the coolant duct in the iron core radiator 13
18 be spirality, and the inwall 130 that the coolant duct 18 and the iron core dissipate 13 hot devices 13 is contacted.
Particularly, the structure of coolant duct 18 is provided with iron core radiator 13 so that the radiating of at least one pair of iron core 12
Effect is more preferable, and waterway structure design is simple.
It is understood that employing the iron core radiator 13 of natural air cooled or water-cooled design in the embodiment of the present invention, keep away
Exempt from, in the complicated iron core water-cooled branch road of the indoor design of Anode saturable reactor 1 of DC converter valve, to simplify reactor,
Reduce the possibility of water line block and leak.
It should be noted that above-mentioned coolant duct 18 can be circular hollow form coiling, biserial keplerian cllipse shape, circle
The shape of all suitable hollow form structures of the square grade in angle, the embodiment of the present invention is not restricted the coiling shape of the coolant duct 18
Shape.
Optionally, the Anode saturable reactor 1 of the DC converter valve also includes：Air gap pad 19 and iron core clamping element 20；
First core portion 120 and second core portion 121 correspondence are snapped onto between the inside and outside wall of one group of coil 11
Form closing coupling.
The air gap pad 19 is arranged at the snapping of first core portion 120 and second core portion 121, and
Fixed by the iron core clamping element 20.
So, the first core portion 120 and the second core portion 121 are just secured, it is ensured that integrally-built stability.
Optionally, the Anode saturable reactor 1 of the DC converter valve also includes：Silicagel pad 21；The silicagel pad 21 is set
Put between at least one described iron core 12 and iron core radiator 13.
It should be noted that iron core radiator 13 has certain height and thickness, in the inwall of shell 10 and each pair iron core
12 are in close contact by multiple silicagel pads 13, and the size of silicagel pad 13 ensures that the heat conduction of each pair iron core 12 and iron core radiator 13 connects
Contacting surface is maximized, and silicagel pad 13 is used between each pair iron core 12 and iron core radiator 13, heat-conducting effect is both ensure that, reduces again
Vibration of the Anode saturable reactor 1 of DC converter valve during running simultaneously reduces noise.
Optionally, the thickness of the logarithm of at least one pair of iron core 12 and the air gap pad 19 is adjusted according to actual parameter
Section.
Optionally, one group of coil 11 surface is wrapped into coiling after insulating barrier to be molded, non-casting epoxy resin is described to wrap up in
The material and thickness and the number of plies of insulating layer coating are adjusted according to the requirement of the insulation of one group of coil 11.
It is understood that the design that the embodiment of the present invention is used, in the Anode saturable reactor of DC converter valve
In the case that the Parameters variation amount of satisfaction is little, the thickness of the number of turn and air gap pad 19 by one group of coil 11 of regulation just can be with complete
Into design, manufacture.The geomery of one group of coil 11 can not now be changed, while the appearance and size of each pair iron core 12 does not also change
Become.When meeting the design requirement of inductance value change greatly, the number cooperation mainly by adjusting iron core is changed with a small range
The number of turn of one group of coil 11, to produce without voltage class, the anode film reactance of the DC converter valve of different parameters requirement
Device 1.
According to above mentality of designing, it can be designed that coil shape size is relatively constant, the appearance and size of iron core is relatively not
The Anode saturable reactor 1 of the DC converter valve of change.Therefore, other design and installation size is not needed generally, is changed completely
Become the structure caused because of the Anode saturable reactor appearance and size difference of the DC converter valve of different induction amount in the past to set
The problem of meter is complicated, the design process to the Anode saturable reactor component of DC converter valve saves the time, also make it that direct current is changed
Flowing the production of the Anode saturable reactor of valve can be carried out in batches, shorten delivery cycle, it is ensured that the uniformity of product quality.
A kind of Anode saturable reactor for DC converter valve that the embodiment of the present invention is provided, the anode of the DC converter valve
Saturable reactor includes：Shell, one group of coil, at least one pair of iron core and iron core radiator；Each iron core includes the first iron core portion
Divide and the second core portion, first core portion and second core portion are U-shape structure or left and right c-type structure up and down；Extremely
Few a pair of iron cores form closing coupling between snapping onto the inside and outside wall of one group of coil in pairs；At least one pair of iron core is along one group of coil
It is circumferentially disposed；Iron core radiator is arranged in the inwall of one group of coil, is contacted with least one pair of iron core, and iron core radiator is exposed
Docked in air, and with shell.The Anode saturable reactor of DC converter valve is realized using above-mentioned technology, natural wind is employed
The iron core radiator of cold or water-cooled design, it is to avoid in the complicated iron core water-cooled branch road of reactor indoor design, simplifies reactance
Device structure, reduces the possibility of water line block and leak.
It should be understood by those skilled in the art that, embodiments of the invention can be provided as method, system or computer program
Product.Therefore, the shape of the embodiment in terms of the present invention can use hardware embodiment, software implementation or combine software and hardware
Formula.Moreover, the present invention can be used can use storage in one or more computers for wherein including computer usable program code
The form for the computer program product that medium is implemented on (including but is not limited to magnetic disk storage and optical memory etc.).
The present invention is the flow with reference to method according to embodiments of the present invention, equipment (system) and computer program product
Figure and/or block diagram are described.It should be understood that every one stream in flow chart and/or block diagram can be realized by computer program instructions
Journey and/or the flow in square frame and flow chart and/or block diagram and/or the combination of square frame.These computer programs can be provided
The processor of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing devices is instructed to produce
A raw machine so that produced by the instruction of computer or the computing device of other programmable data processing devices for real
The device for the function of being specified in present one flow of flow chart or one square frame of multiple flows and/or block diagram or multiple square frames.
These computer program instructions, which may be alternatively stored in, can guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works so that the instruction being stored in the computer-readable memory, which is produced, to be included referring to
Make the manufacture of device, the command device realize in one flow of flow chart or multiple flows and/or one square frame of block diagram or
The function of being specified in multiple square frames.
These computer program instructions can be also loaded into computer or other programmable data processing devices so that in meter
Series of operation steps is performed on calculation machine or other programmable devices to produce computer implemented processing, thus in computer or
The instruction performed on other programmable devices is provided for realizing in one flow of flow chart or multiple flows and/or block diagram one
The step of function of being specified in individual square frame or multiple square frames.
The above, only presently preferred embodiments of the present invention is not intended to limit the scope of the present invention.
Claims (10)
1. a kind of Anode saturable reactor of DC converter valve, it is characterised in that the Anode saturable reactor includes：Shell,
One group of coil, at least one pair of iron core and iron core radiator；Each iron core includes the first core portion and the second core portion, described
First core portion and second core portion are U-shape structure or left and right c-type structure up and down；
At least one pair of described iron core is snapped onto between the inside and outside wall of one group of coil in pairs, forms closing coupling；
At least one pair of described iron core is circumferentially disposed along one group of coil；
The iron core radiator is arranged in the inwall of one group of coil, is contacted with least one pair of described iron core, and the iron
Core radiator is exposed in air, and is docked with the shell.
2. Anode saturable reactor according to claim 1, it is characterised in that one end of one group of coil is provided with
One binding post, the other end of one group of coil is provided with the second binding post, and first binding post is provided with first
The second copper bar is provided with copper bar and second binding post, first copper bar is parallel with second copper bar, described
The joint of connecting water pipe on one binding post and second binding post, one group of coil is hollow form, one group of line
The outward appearance of coiling is enclosed for loop coil, is cast after one group of coil winding by epoxy resin；Wherein, first binding post
It is located at the homonymy of one group of coil with second binding post.
3. Anode saturable reactor according to claim 2, it is characterised in that the iron core radiator is loop configuration；
The shell includes：Lid and annular lower cover in annular；The annular inner wall and the annular of annular lower cover covered in the annular of the shell
Annular region is formed between inwall, the iron core radiator is arranged in the annular region, docked with the shell.
4. Anode saturable reactor according to claim 3, it is characterised in that the anode film electricity of the DC converter valve
Anti- device also includes：Packed layer；The iron core radiator and the annular inner wall covered in the annular of the shell and the ring of the shell
Docked between the annular inner wall of shape lower cover, form internal closed space；
The packed layer is arranged in the closing space, wherein, the packed layer is anti-seismic material and/or sound-absorbing material group
Into.
5. the Anode saturable reactor according to any one of Claims 1-4, it is characterised in that the iron core radiator
Inwall is perpendicular corrugated.
6. Anode saturable reactor according to claim 5, it is characterised in that be provided with cooling in the iron core radiator
Liquid pipe road, the coolant duct is spirality, the inwall contact of the coolant duct and the iron core radiator.
7. the Anode saturable reactor according to any one of Claims 1-4 or 6, it is characterised in that the DC converter valve
Anode saturable reactor also include：Air gap pad and iron core clamping element；First core portion and second core portion
Correspondence forms closing coupling between snapping onto the inside and outside wall of one group of coil；
The air gap pad is arranged at the snapping of first core portion and second core portion, and passes through the iron core
Clamping element is fixed.
8. Anode saturable reactor according to claim 7, it is characterised in that the anode film electricity of the DC converter valve
Anti- device also includes：Silicagel pad；The silicagel pad is arranged on described between at least one iron core and iron core radiator.
9. Anode saturable reactor according to claim 8, it is characterised in that the logarithm of at least one pair of iron core and institute
The thickness for stating air gap pad is adjusted according to actual parameter.
10. Anode saturable reactor according to claim 1, it is characterised in that
One group of coil surface is wrapped into coiling after insulating barrier to be molded, non-casting epoxy resin, the material for wrapping insulating barrier
Material and thickness and the number of plies are adjusted according to the insulating requirements of one group of coil.
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| CN201510518434.5A CN105070476B (en) | 2015-08-21 | 2015-08-21 | A kind of Anode saturable reactor of DC converter valve |
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| CN106893255A (en) * | 2016-02-24 | 2017-06-27 | 李聪 | A kind of heat conduction annulus of small reactor |
| CN107195430A (en) * | 2017-05-18 | 2017-09-22 | 华北电力大学 | A kind of Anode saturable reactor of low-vibration noise |
| CN109369874B (en) * | 2018-09-12 | 2021-11-30 | 全球能源互联网研究院有限公司 | Polyurethane composition and saturable reactor using same |
| CN113555193A (en) * | 2020-04-26 | 2021-10-26 | 南京南瑞继保电气有限公司 | Electric reactor |
| CN112071589A (en) * | 2020-08-17 | 2020-12-11 | 山西太钢不锈钢股份有限公司 | Method for enlarging conductive contact surface of reactor joint |
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