CN107834391A - Transformer capacitor blocking device - Google Patents
Transformer capacitor blocking device Download PDFInfo
- Publication number
- CN107834391A CN107834391A CN201711086221.5A CN201711086221A CN107834391A CN 107834391 A CN107834391 A CN 107834391A CN 201711086221 A CN201711086221 A CN 201711086221A CN 107834391 A CN107834391 A CN 107834391A
- Authority
- CN
- China
- Prior art keywords
- support
- casing
- igct
- electric capacity
- blocking device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000000903 blocking effect Effects 0.000 title claims abstract description 33
- 239000003990 capacitor Substances 0.000 title claims abstract description 30
- 238000009413 insulation Methods 0.000 claims abstract description 8
- 239000004020 conductor Substances 0.000 claims description 15
- 229910001220 stainless steel Inorganic materials 0.000 claims description 12
- 239000010935 stainless steel Substances 0.000 claims description 12
- 239000004593 Epoxy Substances 0.000 claims description 7
- 239000012212 insulator Substances 0.000 claims description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 2
- 229910052760 oxygen Inorganic materials 0.000 claims description 2
- 239000001301 oxygen Substances 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 4
- 239000010949 copper Substances 0.000 description 4
- 230000005611 electricity Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000007935 neutral effect Effects 0.000 description 3
- 230000032683 aging Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- -1 600 Substances 0.000 description 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011152 fibreglass Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 238000005496 tempering Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/46—Boxes; Parts thereof or accessories therefor
- H02B1/48—Mounting of devices therein
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/46—Boxes; Parts thereof or accessories therefor
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/56—Cooling; Ventilation
- H02B1/565—Cooling; Ventilation for cabinets
Abstract
The present invention relates to a kind of transformer capacitor blocking device, including casing, electric capacity, IGCT, support and the first insulating part, the electric capacity, IGCT, support and the first insulating part are in the casing, the casing includes bottom plate, the IGCT and the electric capacity are fixed on the support, and first insulating part is between the support and the bottom plate.Separated between the support and the casing by the first insulating part, the IGCT and the electric capacity, which are maked somebody a mere figurehead, to be arranged in the support, in aerial state, maintain a certain distance the IGCT and side plate of the electric capacity and casing, bottom plate and top plate, substantially reduce contact discharge and atmospherical discharges odds, the insulation resistance energy of the IGCT and electric capacity is improved, the transformer capacitor blocking device is met the related specifications requirement of 10kv electrical equipment pressure tests.
Description
Technical field
The present invention relates to high voltage power transmission technical field, more particularly to a kind of transformer capacitor blocking device.
Background technology
D.C. high voltage transmission (HVDC) technology be it is a kind of can stably long-distance sand transport electric energy device, with China's energy
The adjustment of structure, HVDC Transmission Technology have also obtained quick development in China.During D.C. high voltage transmission, work as direct current
When flowing through transformer neutral point inflow transformer winding, easily cause transformer magnetic circuit D.C. magnetic biasing, cause the half-wave of iron core to be satisfied
With, so as to produce harmonic wave, cause vibration, overheat and noise it is excessive the problems such as, the damage of transformer can be caused when serious, it is also possible to
The problems such as causing resonance damage and the false protection of capacity reactance device group.During in order to prevent that DC current from passing through transformer neutral point
Damage to transformer and capacity reactance device group, ensure the safe operation of power system, it will usually install in transformer neutral point
Electric capacity blocking device, reach the purpose for blocking DC current.IGCT and electric capacity etc. are typically provided in this electric capacity blocking device
Component.But according to the related specifications requirement of 10kv electrical equipment pressure tests, transformer capacitor blocking device on the market
In IGCT and electric capacity be often all difficult to the stress levels for reaching 10kv.
The content of the invention
Based on this, it is necessary to for how to improve the pressure-resistant etc. of IGCT in transformer capacitor blocking device and electric capacity
Level, the problem of ensureing the safe operation of power system of D.C. high voltage transmission, there is provided a kind of transformer capacitor blocking device.
Its technical scheme is as follows：
A kind of transformer capacitor blocking device, including casing, electric capacity, IGCT, support and the first insulating part, the electricity
In the casing, the casing includes bottom plate for appearance, IGCT, support and the first insulating part, the IGCT and described
Electric capacity is fixed on the support, and first insulating part is between the support and the bottom plate.
Separated between the support and the casing by the first insulating part, the IGCT and the aerial setting of the electric capacity
In in the support, in aerial state, the IGCT and side plate of the electric capacity and casing, bottom plate and top plate is set to keep one
Fixed distance, contact discharge and atmospherical discharges odds are substantially reduced, improve the insulation of the IGCT and electric capacity
Pressure-resistant performance, the transformer capacitor blocking device is set to meet the related specifications requirement of 10kv electrical equipment pressure tests.
In one of the embodiments, the support includes first support and second support, and the IGCT is fixed on institute
State in first support, the electric capacity is fixed in the second support.Due to the outer casing electrification of IGCT, the shell of electric capacity without
Electricity, IGCT is respectively placed on different supports from electric capacity can avoid electric capacity powered under the influence of IGCT, so as to carry
The insulation resistance energy of high whole device.
In one of the embodiments, the first support internal frame is provided with epoxy plate, and the IGCT is fixed on the ring
On oxygen plate.Epoxy plate is good insulating body, and IGCT is fixed on insulator, make somebody a mere figurehead in the first support without with institute
First support connection is stated, effectively reduces the atmospherical discharges phenomenon caused by the outer casing electrification of IGCT.
In one of the embodiments, at least two fixed strips being oppositely arranged are provided with the second support, it is described solid
The both ends for determining bar are fixedly connected with the second support, and the electric capacity is fixed on the fixed strip.Fixed strip can be electric capacity
Rigid support is provided, electric capacity is stably maked somebody a mere figurehead and is arranged in the second brandreth.
In one of the embodiments, the transformer capacitor blocking device also includes electric-conductor and the second insulating part, institute
The second insulator is stated between the electric-conductor and the support.The electric-conductor serves as the work of wire in whole device
With making to turn between each element in device, set the second insulating part to be advantageous to prevent electric-conductor between electric-conductor and support
Being contacted with support makes stent conduction, so as to cause IGCT and electric capacity powered, influences its pressure-resistant performance.
In one of the embodiments, the casing also includes side plate and top plate, and the side plate includes two layers of stainless steel plate
And the cystosepiment being filled between two layers of stainless steel plate, the top plate are stainless steel plate.On the one hand the material of side plate can make casing
Oxidation and rusting is avoided under the conditions of outdoor application, on the other hand can then play a part of insulation.Top plate is main using stainless steel plate
It is to ensure the robustness of casing, avoids being damaged in the extreme weather lower box such as hail.
In one of the embodiments, thermoregulator is installed in the casing, so as to be advantageous to keep box house
Temperature it is constant, avoid being exposed to the sun for a long time in summer or winter sleet low temperature in the case of, due to long-term place's high temperature in device
Or accelerated ageing under low temperature.
In one of the embodiments, any side plate of the casing is provided with least one switchable door, consequently facilitating
Box house replacement of element and maintenance.
In one of the embodiments, the side plate of the casing is provided with the observation for being used for observing the box house situation
Window, so as to easily find the failure of box house element, convenient maintenance in time in time.
In one of the embodiments, the side plate of the casing is provided with the air inlet connected with the box house and gone out
Blower fan is equipped with air port, the air inlet and the air outlet, so as to be advantageous to box house ventilation, is prevented due to casing
Interior moisture is overweight and damages box house element.
Brief description of the drawings
Fig. 1 is the internal structure schematic diagram of the transformer capacitor blocking device described in the embodiment of the present invention；
Fig. 2 is the internal structure side view of the transformer capacitor blocking device described in the embodiment of the present invention；
Fig. 3 is the external structure schematic diagram of the transformer capacitor blocking device described in the embodiment of the present invention；
Description of reference numerals：
110th, bottom plate, 120, side plate, 121, switchable door, 122, air inlet, 123, air outlet, 130, top plate, 200, electricity
Hold, 300, IGCT, 410, first support, 420, second support, 430, epoxy plate, 440, fixed strip, 440, channel-section steel, 500, the
One insulating part, 600, electric-conductor, 600, copper bar, the 700, second insulating part, 800, power saving fluorescent lamps, 900, secondary circuit fixed bin,
910th, door, 911, control panel, 912, display interface.
Embodiment
For the objects, technical solutions and advantages of the present invention are more clearly understood, below in conjunction with accompanying drawing and specific embodiment party
Formula, the present invention is described in further detail.It should be appreciated that embodiment described herein is only solving
The present invention is released, does not limit protection scope of the present invention.
It should be noted that when element is referred to as " being fixed on " another element, it can be directly on another element
Or there may also be element placed in the middle.When an element is considered as " connection " another element, it can be directly connected to
To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ", " left side ",
For illustrative purposes only, it is unique embodiment to be not offered as " right side " and similar statement.
Unless otherwise defined, all of technologies and scientific terms used here by the article is with belonging to technical field of the invention
The implication that technical staff is generally understood that is identical.Term used in the description of the invention herein is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term as used herein " and/or " include one or more
The arbitrary and all combination of related Listed Items.
As depicted in figs. 1 and 2, a kind of transformer capacitor blocking device, including casing, electric capacity 200, IGCT 300, support
With the first insulating part 500, the electric capacity 200, IGCT 300, support and the first insulating part 500 are in the casing, institute
Stating casing includes bottom plate 110, and the IGCT 300 and the electric capacity 200 are fixed on the support, first insulating part
500 between the support and the bottom plate 110.
Separated between the support and the casing by the first insulating part 500, the IGCT 300 and the electric capacity
200 it is aerial be arranged in the support, in aerial state, make the side plate of the IGCT 300 and the electric capacity 200 and casing
120th, bottom plate 110 and top plate 130 maintain a certain distance, and substantially reduce contact discharge and atmospherical discharges odds, carry
The high insulation resistance energy of the IGCT 300 and electric capacity 200, makes the blocking device of transformer capacitor 200 meet 10kv
The related specifications requirement of electrical equipment pressure test.
In the present embodiment, the casing is cabinet form.In order to ensure that the IGCT 300 and the electric capacity 200 have
To enough rigid supports, the support can be brandreth or stainless steel frame.
The shape of first insulating part 500 is unlimited, can be column, tabular and coniform；Material is unlimited, can be ceramics,
Fiberglass, semiconductor or other synthetic materials.In the present embodiment, first insulating part 500 is at least two pillar insulators.
The support includes first support 410 and second support 420, and the IGCT 300 is fixed on the first support
On 410, the electric capacity 200 is fixed in the second support 420.Due to the outer casing electrification of IGCT 300, electric capacity 200 it is outer
Shell is not charged, and IGCT 300 is respectively placed on different supports from electric capacity 200 can avoid electric capacity 200 in IGCT 300
Under the influence of it is powered, so as to improve the insulation resistance energy of whole device.
The internal frame of first support 410 is provided with epoxy plate 430, and the IGCT 300 is fixed on the epoxy plate 430.
Epoxy plate 430 is good insulating body, and IGCT 300 is fixed on insulator, make somebody a mere figurehead in the first support 410 without with
The first support 410 connects, and effectively reduces the atmospherical discharges phenomenon caused by the outer casing electrification of IGCT 300.
At least two fixed strips 440 being oppositely arranged, the both ends of the fixed strip 440 are provided with the second support 420
It is fixedly connected with the second support 420, the electric capacity 200 is fixed on the fixed strip 440.Fixed strip 440 can be electricity
Hold 200 and rigid support is provided, electric capacity 200 is stably maked somebody a mere figurehead and be arranged in second support 420.
In the present embodiment, the fixed strip 440 is channel-section steel 440, and the channel-section steel 440 is provided with installation sheet, the installation sheet
Mounting hole is provided with, the both sides of electric capacity 200 are equipped with the screwed hole corresponding with the mounting hole, and the electric capacity 200 passes through
Bolt is fixed on the installation sheet.The channel-section steel 440 can be that electric capacity 200 provides enough rigid supports.
The transformer capacitor blocking device also includes the insulating part 700 of electric-conductor 600 and second, second insulating part
700 between the electric-conductor 600 and the support.The electric-conductor 600 serves as the effect of wire in whole device, makes
Turned in device between each element, set the second insulating part 700 to be advantageous to prevent electric-conductor between electric-conductor 600 and support
600 contact with support and make stent conduction, so as to cause IGCT 300 and electric capacity 200 powered, influence its pressure-resistant performance.
The type of the electric-conductor 600 is unlimited, can be wire or copper bar 600.In the present embodiment, the electric-conductor 600 is
Copper bar 600, a cabling is realized using copper bar 600, makes the integral layout of box house element compact, neat, attractive in appearance.
As shown in figure 3, the casing also includes side plate 120 and top plate 130, the side plate 120 includes two layers of stainless steel plate
And the cystosepiment being filled between two layers of stainless steel plate, the top plate 130 are stainless steel plate.The material one side energy of side plate 120
Casing is avoided oxidation and rusting under the conditions of outdoor application, on the other hand can then play a part of insulation.Top plate 130 is using stainless
Steel plate avoids being damaged in the extreme weather lower box such as hail primarily to the robustness of guarantee casing.It is described in the present embodiment
Top plate 130 raises up for centre, and to the inclined structure in both sides.This structure is advantageous to fall on the top plate 130
Rain, snow are drained in time, avoid rain on top plate 130, snow from largely assembling and casing is caused to damage.
Thermoregulator is installed in the casing, so as to be advantageous to keep the temperature of box house constant, avoided in the summer
Be exposed to the sun for a long time in season or winter sleet low temperature in the case of, due to accelerated ageing under long-term place's high temperature or low temperature in device.
The thermoregulator can be mounted in the air-conditioning or electric fan of the casing top.
Any side plate 120 of the casing is provided with least one switchable door 121, consequently facilitating box house element
Change and overhaul.In the present embodiment, the casing is hexahedron, and the side plate 120 has four pieces, is equipped with every block of side plate 120
One switchable door 121, consequently facilitating open the casing from all directions, the element of the box house change and
Maintenance.
The side plate 120 of the casing is provided with the observation window (not shown) for being used for observing the box house situation,
So as to easily find the failure of box house element, convenient maintenance in time in time.In the present embodiment, the observation window is tempering glass
Glass window, anti-riot isolation can be played a part of.
Top in the casing is provided with illuminator, facilitates to provide light when being maintained and overhauled inside device
Source.In the present embodiment, the illuminator is power saving fluorescent lamps 800, saves electric energy and service life is longer, without frequently changing.
The side plate 120 of the casing is provided with the air inlet 122 and air outlet 123 connected with the box house, described
Blower fan is equipped with air inlet 122 and at the air outlet 123, so as to be advantageous to box house ventilation, is prevented due in casing
Moisture is overweight and damages box house element.In the present embodiment, the air inlet 122 and the air outlet 123 respectively have two.
The transformer capacitor blocking device also includes the secondary circuit fixed bin on any side plate 120 in casing
900, the secondary circuit fixed bin 900 causes low-pressure secondary control section and a high-voltage section in the box house circuit
Separate from being advantageous to improve the insulating of whole transformer capacitor blocking device, pressure-resistant performance.The secondary circuit fixed bin 900
Provided with the door 910 with UNICOM outside casing, the door 910 is provided with control panel 911 and display interface 912, is easy to institute
State the running situation inside transformer capacitor blocking device and relevant parameter is monitored.
Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality
Apply all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, the scope that this specification is recorded all is considered to be.
Embodiment described above only expresses the several embodiments of the present invention, and its description is more specific and detailed, but simultaneously
Can not therefore it be construed as limiting the scope of the patent.It should be pointed out that come for one of ordinary skill in the art
Say, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the protection of the present invention
Scope.
Claims (10)
1. a kind of transformer capacitor blocking device, it is characterised in that including casing, electric capacity, IGCT, support and the first insulation
Part, in the casing, the casing includes for the electric capacity, the IGCT, the support and first insulating part
Bottom plate, the IGCT and the electric capacity are fixed on the support, and first insulating part is located at the support and the bottom
Between plate.
2. transformer capacitor blocking device according to claim 1, it is characterised in that the support include first support and
Second support, the IGCT are fixed in the first support, and the electric capacity is fixed in the second support.
3. transformer capacitor blocking device according to claim 2, it is characterised in that the first support internal frame is provided with ring
Oxygen plate, the IGCT are fixed on the epoxy plate.
4. transformer capacitor blocking device according to claim 2, it is characterised in that be provided with least in the second support
Two fixed strips being oppositely arranged, the both ends of the fixed strip are fixedly connected with the second support, and the electric capacity is fixed on
On the fixed strip.
5. transformer capacitor blocking device according to claim 1, it is characterised in that also insulated including electric-conductor and second
Part, second insulator is between the electric-conductor and the support.
6. transformer capacitor blocking device according to claim 1, it is characterised in that the casing also includes side plate and top
Plate, the side plate include two layers of stainless steel plate and the cystosepiment being filled between two layers of stainless steel plate, and the top plate is stainless steel
Plate.
7. transformer capacitor blocking device according to any one of claim 1 to 6, it is characterised in that in the casing
Thermoregulator is installed.
8. transformer capacitor blocking device according to any one of claim 1 to 6, it is characterised in that the casing
Any side plate is provided with least one switchable door.
9. transformer capacitor blocking device according to any one of claim 1 to 6, it is characterised in that the casing
Side plate is provided with the observation window for being used for observing the box house situation.
10. transformer capacitor blocking device according to any one of claim 1 to 6, it is characterised in that the casing
Side plate is provided with the air inlet and air outlet connected with the box house, is equipped with the air inlet and the air outlet
Blower fan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711086221.5A CN107834391A (en) | 2017-11-07 | 2017-11-07 | Transformer capacitor blocking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711086221.5A CN107834391A (en) | 2017-11-07 | 2017-11-07 | Transformer capacitor blocking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107834391A true CN107834391A (en) | 2018-03-23 |
Family
ID=61653869
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711086221.5A Pending CN107834391A (en) | 2017-11-07 | 2017-11-07 | Transformer capacitor blocking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107834391A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203631282U (en) * | 2013-12-19 | 2014-06-04 | 国家电网公司 | DC magnetic bias online monitoring and separating device of power transformer |
| CN104466907A (en) * | 2014-11-19 | 2015-03-25 | 广州高澜节能技术股份有限公司 | Transformer neutral point capacitance type DC blocking device |
| CN104810793A (en) * | 2015-04-23 | 2015-07-29 | 许继集团有限公司 | Transformer neutral point direct current blocking device |
| CN207518129U (en) * | 2017-11-07 | 2018-06-19 | 广州粤能电力科技开发有限公司 | Transformer capacitor blocking device |
-
2017
- 2017-11-07 CN CN201711086221.5A patent/CN107834391A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203631282U (en) * | 2013-12-19 | 2014-06-04 | 国家电网公司 | DC magnetic bias online monitoring and separating device of power transformer |
| CN104466907A (en) * | 2014-11-19 | 2015-03-25 | 广州高澜节能技术股份有限公司 | Transformer neutral point capacitance type DC blocking device |
| CN104810793A (en) * | 2015-04-23 | 2015-07-29 | 许继集团有限公司 | Transformer neutral point direct current blocking device |
| CN207518129U (en) * | 2017-11-07 | 2018-06-19 | 广州粤能电力科技开发有限公司 | Transformer capacitor blocking device |
Non-Patent Citations (1)
| Title |
|---|
| 刘焕辉: "博罗换流站接地极电流对惠州电网影响的研究", 《硕士电子期刊工程科技II辑》, no. 8, pages 24 - 31 * |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20231016 Address after: Room 1808, No. 500 Huanshi East Road, Yuexiu District, Guangzhou City, Guangdong Province, 510000 (not usable as a factory building) Applicant after: GUANGZHOU YUYANG ELECTRIC POWER TECHNOLOGY CO.,LTD. Address before: 510000 Room 502, 5th floor, Kaicheng Huating, 83 Xianlie Middle Road, Yuexiu District, Guangzhou City, Guangdong Province Applicant before: GUANGZHOU YUENENG POWER TECHNOLOGY DEVELOPMENT Co.,Ltd. |
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| TA01 | Transfer of patent application right |