CN206293784U - Converter system and wind power generating set - Google Patents
Converter system and wind power generating set Download PDFInfo
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- CN206293784U CN206293784U CN201621490260.2U CN201621490260U CN206293784U CN 206293784 U CN206293784 U CN 206293784U CN 201621490260 U CN201621490260 U CN 201621490260U CN 206293784 U CN206293784 U CN 206293784U
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- 238000001816 cooling Methods 0.000 claims abstract description 53
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 18
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 230000032258 transport Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Abstract
The utility model provides a kind of converter system and wind power generating set, converter system includes cooling cabinet, middle cabinet group and control device, two row's cupboards that middle cabinet group is arranged before and after including, wherein, first row cupboard includes the first switch cabinet, brake cabinet and the second switch cabinet that set gradually；Second row cupboard includes the first power cabinet and the second power cabinet that set gradually；Wherein, first switch cabinet and the first power cabinet are located at side；Second switch cabinet and the second power cabinet are located at opposite side；Cooling cabinet and control device are arranged at the side of middle cabinet group, or cooling cabinet and control device are respectively provided at the both sides of middle cabinet group；Cooling cabinet is adjacent with the first power cabinet or the second power cabinet.Be arranged together for switch cubicle, power cabinet, cooling cabinet and switch board by the converter system of the utility model embodiment, reduces the occupancy in space in wind power generating set, is easily installed and safeguards, reduces production cost.
Description
Technical field
The utility model is related to field of electrical equipment, relates generally to a kind of converter system and wind power generating set.
Background technology
The convertor equipment of wind power generating set is mainly including control, unsteady flow and several major etc. cooling.Existing unsteady flow sets
It is standby that several parts such as control, unsteady flow and cooling are typically fabricated to independent particle system, will control section make one individually
Product, will become stream part and makes a single product, cooling segment be made into a single product, when in use by three
Linked together by cable, busbar and water pipe etc. and realize required function.Above-mentioned mode has the following disadvantages：
First, aforesaid way causes that the structure of convertor equipment is not compact enough, the problem that Existential Space is wasted.
Second, aforesaid way causes that the layout of convertor equipment is unreasonable, because generally in layout, stream part will be become
Generator contactor cabinet is arranged in cabin, and the other parts (such as current transformer) of change stream part and control section and cooling end set up separately
Put in tower bottom.So on the one hand layout is inconvenient installation, and cable, water pipe on the other hand needing etc. is more long, causes
Waste of material.
Third, cabling is more complicated between each subsystem, interference is easily produced between each part, mistake easily occurs in signal
Miss, and then influence functional reliability.
Utility model content
Embodiment of the present utility model provides a kind of converter system and wind power generating set, is used to improve converter system and respectively sets
Standby layout, improves the compactness of converter system structure, reduces track lengths.
To reach above-mentioned purpose, on the one hand embodiment of the present utility model provides a kind of converter system, including cooling cabinet, in
Between cabinet group and control device, middle cabinet group include before and after arrangement two row's cupboards, wherein, first row cupboard includes setting gradually
First switch cabinet, brake cabinet and second switch cabinet；Second row cupboard includes the first power cabinet and the second power cabinet that set gradually；
Wherein, first switch cabinet and the first power cabinet are located at side；Second switch cabinet and the second power cabinet are located at opposite side；Cooling cabinet and
Control device is arranged at the side of middle cabinet group, or cooling cabinet and control device are respectively provided at the both sides of middle cabinet group；Cooling
Cabinet is adjacent with the first power cabinet or the second power cabinet.
Alternatively, in foregoing converter system, during converter system also includes that transformer cabinet, transformer cabinet are arranged on cooling cabinet
Between cabinet group the same side, transformer is provided with transformer cabinet.
Alternatively, in foregoing converter system, the equipment in first switch cabinet and second switch cabinet is opened including pusher side
Close, DUDT wave filters and net side are switched；Equipment in first power cabinet and the second power cabinet includes power model and reactor；
Wherein, in first switch cabinet and the first power cabinet pusher side switch, DUDT wave filters, power model, reactor and net side switch
It is sequentially connected in series；Pusher side switch, DUDT wave filters, power model, reactor in second switch cabinet and the second power cabinet and
Net side switch is sequentially connected in series.
Alternatively, in foregoing converter system, equipment in brake cabinet includes braking equipment and electric capacity, braking equipment with
The power model of the first power cabinet and the second power cabinet is connected respectively；Electric capacity also with the first power cabinet and the power of the second power cabinet
Module is connected respectively.
Alternatively, in foregoing converter system, the equipment in control device includes control unit, control unit and first
Pusher side switch, DUDT wave filters and net side switch in switch cubicle and second switch cabinet, and the first power cabinet and the second power
Power model and reactor in cabinet are connected respectively.
Alternatively, in foregoing converter system, the first switch board and the second control that control device is set before and after including
Cabinet；The second control that control unit includes the first control unit being arranged in the first switch board and is arranged in the second switch board
Unit；Wherein, the first control unit is switched with the pusher side of first switch cabinet, DUDT wave filters and net side are switched, and the first work(
The power model and reactor of rate cabinet are connected respectively；Second control unit is switched with the pusher side of second switch cabinet, DUDT wave filters
Connected respectively with net side switch, and the power model and reactor of the second power cabinet.
Alternatively, in foregoing converter system, the equipment in cooling cabinet includes water cooling plant, water cooling plant and the first work(
The water wind heat exchange unit of the power model of rate cabinet and the second power cabinet is connected respectively.
Alternatively, in foregoing converter system, in first switch cabinet and/or second switch cabinet, pusher side switch, DUDT
Wave filter and net side switch from top to bottom set gradually.
Alternatively, in foregoing converter system, in the first power cabinet and/or the second power cabinet, power model is located at
The top of reactor.
On the other hand embodiment of the present utility model provides a kind of wind power generating set, which employs foregoing unsteady flow system
System.
The converter system that the utility model embodiment is provided, switch cubicle, power cabinet, cooling cabinet and control device are arranged on
Together, compact conformation, space availability ratio is high, can effectively utilize limited space, reduces the distance between Primary Component.
Further, the use length of the parts such as cable and busbar, water pipe between the functional module in each cabinet of connection can be shortened,
Production cost is reduced, production, the efficiency of assembling is improve, is easy to safeguard and is debugged；Simultaneously because compact conformation, reduces bag
The quantity of vanning, is easy to pack and transports.
Further, transformer is installed together with switch cubicle, power cabinet, cooling cabinet and control device, structure is more
It is compact, the length of supply path is further shorten, difficulty of construction is reduced, improve operating efficiency.
The wind power generating set that the utility model embodiment is provided, the converter system of use is by switch cubicle, power cabinet, cooling
Cabinet and switch board are arranged together, and reduce the occupancy in space in wind power generating set, are easily installed and safeguard, reduce production
Cost.
Brief description of the drawings
Fig. 1 is the schematic top plan view of the converter system of the utility model embodiment one；
Fig. 2 is the schematic top plan view of the mode of texturing of the converter system of the utility model embodiment one；
Fig. 3 is the front-view schematic diagram of the mode of texturing of the converter system of the utility model embodiment one；
Fig. 4 is the schematic rear view of the mode of texturing of the converter system of the utility model embodiment one；
Drawing reference numeral explanation：
1st, cooling cabinet；11st, water cooling plant；2nd, transformer cabinet；21st, transformer；3rd, first switch cabinet；31st, pusher side switch；32、
DUDT wave filters；33rd, net side switch；4th, second switch cabinet；5th, the first power cabinet；51st, power model；52nd, reactor；6th, second
Power cabinet；7th, control device；71st, the first switch board；72nd, the second switch board；710th, the first control unit；720th, the second control is single
Unit；9th, brake cabinet；91st, braking equipment；92nd, electric capacity.
Specific embodiment
The converter system and wind power generating set to the utility model implementation method are described in detail below in conjunction with the accompanying drawings.
In description of the present utility model, it is to be understood that term " on ", D score, "front", "rear", "left", "right",
The orientation or position relationship of instructions such as " sides " are, based on orientation shown in the drawings or position relationship, to be for only for ease of and describe this reality
With new and simplified description, device or element rather than instruction or hint meaning must be with specific orientation, with specific
Azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.Additionally, term " first ", " second " are only used for
Description purpose, and it is not intended that indicating or implying relative importance or the implicit quantity for indicating indicated technical characteristic.
Thus, " first " is defined, one or more this feature can be expressed or be implicitly included to the feature of " second ".At this
In the description of utility model, unless otherwise indicated, " multiple " is meant that two or more.
Embodiment one
The converter system of embodiment one is shown in Fig. 1, it includes cooling cabinet 1, middle cabinet group and control device 7, it is middle
Two row's cupboards that cabinet group is arranged before and after including, wherein, first row cupboard includes the first switch cabinet 3, the and of brake cabinet 9 that set gradually
Second switch cabinet 4；Second row cupboard includes the first power cabinet 5 and the second power cabinet 6 that set gradually；Wherein, first switch cabinet 3
Side is located at the first power cabinet 5；The power cabinet 6 of second switch cabinet 4 and second is located at opposite side；Cooling cabinet 1 and control device 7 set
The side of middle cabinet group is placed in, or cooling cabinet 1 and control device 7 are respectively provided at the both sides of middle cabinet group；Cooling cabinet 1 and first
The power cabinet 6 of power cabinet 5 or second is adjacent.
Specifically, as shown in fig. 1, the first power cabinet 5 and first switch cabinet 3 be configured to the first power cabinet 5 the back side it is tight
The structure at the back side of patch first switch cabinet 3；It is close at the back side that second power cabinet 6 and second switch cabinet 4 are configured to the first power cabinet 5
The structure at the back side of first switch cabinet 3.Cooling cabinet 1 is adjacent with the first power cabinet 5, and control device 7 is separately positioned on cooling cabinet 1
The both sides of middle cabinet group.But this is not limited to, cooling cabinet 1 can also be adjacent with the second power cabinet 6；And/or, cooling cabinet 1 and control
Device processed 7 can be arranged in the same side of middle cabinet group.
The converter system of the present embodiment is by the power cabinet 5 of first switch cabinet 3 and first, the power cabinet of second switch cabinet 4 and second
6 and cooling cabinet 1 and control device 7 be arranged together, compact conformation, space availability ratio is high, can effectively utilize limited
Space, is easy to process and safeguards.Further, circuit loop path is short, and loop is unobstructed, can shorten the work(in each cabinet of connection
The use length of the parts such as cable and busbar, water pipe between energy module, reduces production cost, is easy to processing to safeguard；Simultaneously
Interfering between cable is reduced, the reliability of system is improve.Further, since converter system compact conformation, reduces
The quantity of packing case, is easy to pack and transports.
In a kind of mode of texturing, as shown in Figure 2, converter system also includes transformer cabinet 2, and transformer cabinet 2 and cooling cabinet 1 set
Put in the same side of middle cabinet group, transformer 21 is provided with transformer cabinet 2.Specifically, arranged before and after transformer cabinet 2 and cooling cabinet 1, if
Put in the side of middle cabinet group, transformer cabinet 2 is adjacent with first switch cabinet 3.The opposite side of the centrally disposed cabinet group of control device 7.
Specifically, the effect of transformer 21 is to provide voltage conversion, and the conversion of such as 690V to 400V is thought in wind power generating set and set
Available electricity.The supply object of transformer 21 can be in control panel all electrical equipments (such as control section, become stream part,
Become electrical equipment etc. in oar part and pylon).
Alternatively, as shown in Figures 3 and 4, the equipment in first switch cabinet 3 and second switch cabinet 4 is opened including pusher side
Close 31, DUDT wave filters 32 and net side switch 33；Equipment in first power cabinet 5 and the second power cabinet 6 includes power model
51 and reactor 52；Wherein, pusher side switch 31, DUDT wave filters 32, the power mould in the power cabinet 5 of first switch cabinet 3 and first
Block 51, reactor 52 and net side switch 33 is sequentially connected in series；In the power cabinet 6 of second switch cabinet 4 and second pusher side switch 31,
DUDT wave filters 32, power model 51, reactor 52 and net side switch 33 is sequentially connected in series.
Alternatively, in first switch cabinet 3 and/or second switch cabinet 4, pusher side switchs 31, DUDT wave filters 32 and net side
Switch 33 from top to bottom sets gradually.Preferably, first switch cabinet 3 is identical with the arrangement of equipment in second switch cabinet 4.
In first power cabinet 5 and/or the second power cabinet 6, power model 51 is located at the top of reactor 52.Preferably, the first power cabinet 5
Arrangement with equipment in the second power cabinet 6 is identical.
The pusher side switch 31 of so DUDT wave filters 32 and current transformer is directly connected to, and DUDT wave filters 32 be connected to it is whole
The ac input end of the power model 51 of stream, therefore, DUDT wave filters 32 are arranged at power cabinet corresponding switch cubicle dorsad
In, and the height of DUDT wave filters 32 and the height of power model 51 are close, are easy to converter system wiring.Similarly, reactor
52 connect corresponding net side breaker with after the ac output end connection of power model 51, by reactor 52 and power model 51 1
Rise and be arranged in power cabinet, net side switch 33 is arranged in power cabinet corresponding switch cubicle dorsad, and reactor 52
Height is approached with the height of net side switch 33, it is also possible to is significantly reduced the length of wiring, is easily installed and safeguards.
So, 3 and first power cabinet of first switch cabinet 5 forms a complete forceful electric power loop；Second switch cabinet 4 and second
Power cabinet 6 forms another complete forceful electric power loop, and control device 7 and cooling cabinet 1 belong to weak electrical loop.This sample embodiment
Forceful electric power loop and weak electrical loop are separately positioned in different cabinets in converter system, reduce forceful electric power loop and weak electrical loop phase
Interference between mutually, improves the reliability of system, and cause that feature difference is more obvious.
Alternatively, the equipment in cooling cabinet 1 include water cooling plant 11, water cooling plant 11 have water pump, water cooling plant 11 with
The water wind heat exchange unit of the power model 51 of the first power cabinet 5 and the second power cabinet 6 is connected respectively, to cooling power module
51.In converter system in the utility model embodiment, the heat in power cabinet is outwards exchanged by the form that water wind exchanges heat.Will
Cooling cabinet 1 is arranged to adjacent with the first power cabinet 5 or the second power cabinet 6, is conducive to shortening the connecting length of the part such as water pipe, drop
Low cost, is easily installed, and can improve the cooling effect of power model 51.
Alternatively, the equipment in brake cabinet 9 includes braking equipment 91 and electric capacity 92, the power cabinet 5 of braking equipment 91 and first
Power model 51 with the second power cabinet 6 is connected respectively；Electric capacity 92 also with the first power cabinet 5 and the power mould of the second power cabinet 6
Block 51 is connected respectively.When bus electric energy is excessive, braking equipment 91 can discharge unnecessary electric energy, to protect the first power cabinet 5
With the power model 51 in the second power cabinet 6.Electric capacity 92 is used to filter.Alternatively, braking equipment 91 is located at the top of electric capacity 92,
But the position relationship of braking equipment 91 and electric capacity 92 is not limited to this.Brake cabinet 9 is arranged on first switch cabinet 3, second switch
The centre of cabinet 4, the first power cabinet 5 and the second power cabinet 6, can significantly reduce the length of wiring, be easily installed and safeguard.
Alternatively, braking equipment 91 includes the first brake unit and the second brake unit；Wherein the first brake unit and
Power model 51 in one power cabinet 5 is connected, and the second brake unit is connected with the power model 51 in the second power cabinet 6；
Electric capacity 92 includes the first electric capacity and the second electric capacity, and the first electric capacity is connected with the power model 51 in the first power cabinet 5, the second electricity
Appearance is connected with the power model 51 in the second power cabinet 6.
Alternatively, the first switch board 71 and the second switch board 72 set before and after control device 7 includes；Control unit includes
The first control unit 710 being arranged in the first switch board 71 and the second control unit 720 being arranged in the second switch board 72；
Wherein, the first control unit 710 switchs 33, Yi Ji with the pusher side switch 31, DUDT wave filters 32 and net side of first switch cabinet 3
The power model 51 and reactor 52 of one power cabinet 5 are connected respectively；Second control unit 720 is opened with the pusher side of second switch cabinet 4
31, DUDT wave filters 32 and net side switch 33 are closed, and the power model 51 and reactor 52 of the second power cabinet 6 are connected respectively.
The control unit 720 of such first control unit 710 and second is separately positioned in different switch boards, and side is separable to be pacified
Dress, maintenance and debugging, and be conducive to distinguishing the first control unit 710 and the second control unit 720.But be not restricted to that this, the
One control unit 710 and the second control unit 720 can also be located in a switch board.
The converter system that the utility model embodiment is provided, switch cubicle, power cabinet, cooling cabinet and control device are arranged on
Together, compact conformation, space availability ratio is high, can effectively utilize limited space, reduces the distance between Primary Component.
Further, the use length of the parts such as cable and busbar, water pipe between the functional module in each cabinet of connection can be shortened,
Production cost is reduced, production, the efficiency of assembling is improve, is easy to safeguard and is debugged；Simultaneously because compact conformation, reduces bag
The quantity of vanning, is easy to pack and transports.
Further, transformer cabinet is installed together with switch cubicle, power cabinet, cooling cabinet and control device, structure is more
It is compact, the length of supply path is further shorten, difficulty of construction is reduced, improve operating efficiency.
Additionally, each device in converter system uses closed cabinet, barrier propterty is good, goes for different rings
Border.
Embodiment two
Embodiment two is related to a kind of wind power generating set, is provided with the converter system of embodiment one.Due to the change that it is used
Streaming system fills the power cabinet 5 of first switch cabinet 3 and first, the power cabinet 6 of second switch cabinet 4 and second and cooling cabinet 1 and control
Put 7 to be arranged together, reduce the occupancy in space in wind power generating set, be easily installed and safeguard, reduce wind-driven generator
The production cost of group.
Alternatively, converter system is arranged in the tower bottom of wind power generating set.Specifically, switch cubicle, power cabinet, cooling
Cabinet 1 and switch board are arranged at the bottom of tower, can so reduce lifting workload, are easy to in-site installation, safeguard and debug.
Preferably, in the converter system of transformer cabinet 2 is provided with, transformer cabinet 2 is also arranged on tower together with other cabinets of converter system
Bottom.
The wind power generating set that the utility model embodiment is provided, the converter system of use is by switch cubicle, power cabinet, cooling
Cabinet 1 and switch board are arranged together, and reduce the occupancy in space in wind power generating set, are easily installed and safeguard, reduce life
Produce cost.
More than, only specific embodiment of the utility model, but protection domain of the present utility model is not limited thereto, and appoints
What those familiar with the art can readily occur in change or replacement in the technical scope that the utility model is disclosed,
Should all cover within protection domain of the present utility model.Therefore, protection domain of the present utility model should be with the guarantor of claim
Shield scope is defined.
Claims (10)
1. a kind of converter system, including cooling cabinet (1), middle cabinet group and control device (7), it is characterised in that：The middle cabinet
Two row's cupboards that group is arranged before and after including, wherein, first row cupboard includes the first switch cabinet (3), the brake cabinet (9) that set gradually
With second switch cabinet (4)；Second row cupboard includes the first power cabinet (5) and the second power cabinet (6) that set gradually；Wherein, institute
First switch cabinet (3) and first power cabinet (5) are stated positioned at side；The second switch cabinet (4) and second power cabinet
(6) positioned at opposite side；The cooling cabinet (1) and the control device (7) are arranged at the side of the middle cabinet group, or described
Cooling cabinet (1) and the control device (7) are respectively provided at the both sides of the middle cabinet group；The cooling cabinet (1) and described first
Power cabinet (5) or second power cabinet (6) are adjacent.
2. converter system according to claim 1, it is characterised in that the converter system also includes transformer cabinet (2), described
Transformer cabinet (2) is arranged on the same side of the middle cabinet group with the cooling cabinet (1), and transformer is provided with the transformer cabinet (2)
(21)。
3. converter system according to claim 1 and 2, it is characterised in that the first switch cabinet (3) and described second is opened
The equipment closed in cabinet (4) includes pusher side switch (31), DUDT wave filters (32) and net side switch (33)；First power cabinet
(5) equipment and in second power cabinet (6) includes power model (51) and reactor (52)；
Wherein, in the first switch cabinet (3) and first power cabinet (5) pusher side switch (31), DUDT wave filters (32),
Power model (51), reactor (52) and net side switch (33) are sequentially connected in series；
Pusher side switch (31) in the second switch cabinet (4) and second power cabinet (6), DUDT wave filters (32), power
Module (51), reactor (52) and net side switch (33) are sequentially connected in series.
4. converter system according to claim 3, it is characterised in that the equipment in the brake cabinet includes braking equipment
And electric capacity (92), the braking equipment (91) and first power cabinet (5) and the work(of second power cabinet (6) (91)
Rate module (51) is connected respectively；The electric capacity (92) also with first power cabinet (5) and the power of the second power cabinet (6)
Module (51) is connected respectively.
5. converter system according to claim 3, it is characterised in that the equipment in the control device (7) includes control
Unit, described control unit switchs (31), DUDT with the pusher side in the first switch cabinet (3) and second switch cabinet (4)
The power in wave filter (32) and net side switch (33), and first power cabinet (5) and second power cabinet (6)
Module (51) and the reactor (52) are connected respectively.
6. converter system according to claim 5, it is characterised in that the control device (7) including front and rear setting
One switch board (71) and the second switch board (72)；Described control unit includes be arranged in first switch board (71) first
Control unit (710) and the second control unit (720) being arranged in second switch board (72)；Wherein,
First control unit (710) switchs (31), DUDT wave filters (32) with the pusher side of the first switch cabinet (3)
Connect respectively with net side switch (33), and the power model (51) and the reactor (52) of first power cabinet (5)
Connect；
Second control unit switchs (31), DUDT wave filters (32) and net side and opens with the pusher side of the second switch cabinet
Close (33), and the power model (51) and the reactor (52) of second power cabinet (6) are connected respectively.
7. converter system according to claim 3, it is characterised in that the equipment in the cooling cabinet (1) includes water-cooled dress
Put (11), the water cooling plant (11) and first power cabinet (5) and the power model of second power cabinet (6)
(51) water wind heat exchange unit is connected respectively.
8. converter system according to claim 3, it is characterised in that in the first switch cabinet (3) and/or second switch
In cabinet (4), pusher side switch (31), the DUDT wave filters (32) and net side switch (33) from top to bottom set successively
Put.
9. converter system according to claim 3, it is characterised in that in first power cabinet (5) and/or the second power
In cabinet (6), top of the power model (51) positioned at the reactor (52).
10. a kind of wind power generating set, it is characterised in that employ converter system as claimed in any one of claims 1-9 wherein.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621490260.2U CN206293784U (en) | 2016-12-29 | 2016-12-29 | Converter system and wind power generating set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621490260.2U CN206293784U (en) | 2016-12-29 | 2016-12-29 | Converter system and wind power generating set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206293784U true CN206293784U (en) | 2017-06-30 |
Family
ID=59098554
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621490260.2U Active CN206293784U (en) | 2016-12-29 | 2016-12-29 | Converter system and wind power generating set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206293784U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110299853A (en) * | 2018-03-21 | 2019-10-01 | 中车株洲电力机车研究所有限公司 | Current transformer |
-
2016
- 2016-12-29 CN CN201621490260.2U patent/CN206293784U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110299853A (en) * | 2018-03-21 | 2019-10-01 | 中车株洲电力机车研究所有限公司 | Current transformer |
| CN110299853B (en) * | 2018-03-21 | 2020-06-05 | 中车株洲电力机车研究所有限公司 | Current transformer |
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