CN105225794B - A kind of three-phase and five-pole high frequency transformer with ventilation cooling structure - Google Patents
A kind of three-phase and five-pole high frequency transformer with ventilation cooling structure Download PDFInfo
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- CN105225794B CN105225794B CN201510543614.9A CN201510543614A CN105225794B CN 105225794 B CN105225794 B CN 105225794B CN 201510543614 A CN201510543614 A CN 201510543614A CN 105225794 B CN105225794 B CN 105225794B
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Abstract
The present invention provides a kind of three-phase and five-pole high frequency transformer with ventilation cooling structure, including：Magnetic core, the winding being around on magnetic core and for ventilating and cooling fan, auxiliary mechanical structure, the auxiliary mechanical structure includes upper and lower pressing plate, the cross-over block of side guide and support winding, wherein the upper and lower yoke of magnetic core is fixed in the same plane by upper and lower pressing plate, the both sides return yoke of magnetic core is fixed by side guide so that magnetic core is uprightly without deviating；The gap between pressing plate and magnetic core is filled with heat-conducting glue above and below, upper and lower pressing plate and side guide also lay one layer of heat-conducting glue with magnetic core contact position, ensure good contact and upper and lower yoke heat is transmitted to side guide by being thermally conducted to upper and lower pressing plate and return yoke heat.The present invention solves the different heat dissipation problem of heat source that planar structure three-phase non complete symmetry is brought to three-phase core and return yoke ventilating and cooling, and enhance the cooling to upper and lower yoke using supplementary structure simultaneously.
Description
Technical field
The present invention relates to a kind of large capacity high frequency transformers, and in particular, to a kind of three-phase with ventilation cooling structure
Five pillar height frequency power transformers.
Background technology
Three-phase and five-pole transformer applies in general to disassembled large capacity Industrial Frequency Transformer, using line cake winding and silicon steel sheet magnetic
Core, horizontal fan ventilating and cooling.The non-crystaline amorphous metal magnetic core of high frequency transformer is the critical piece of magnetic circuit, and winding is electrical main
The structure and size of component, magnetic core and winding have performance, the cost of transformer important influence, and magnetic core and winding are all heat
Source, high frequency transformer size ratio tradition Industrial Frequency Transformer is much smaller under identical capacity.Non-crystaline amorphous metal magnetic core performance is stressed influence
Greatly, therefore winding and magnetic core must be separated from each other, and add auxiliary machinery and insulation system, and three-phase magnetic circuit is not exclusively right
Claim, winding exciting current is different, therefore there is a situation where the fever of three-phase non complete symmetry, to avoid high frequency transformer stray field pair
Metal structure attachment generates excess loss, this makes ventilation cooling structure design become difficult.
Through retrieval, Chinese utility model patent CN203659572U discloses a kind of air blast cooling medium/high frequency transformer, should
Transformer includes under casing, and the under casing top surface is provided with ventilation hole, and side is provided with wind turbine, wind turbine outlet air is corresponded in the under casing
Mouth is provided with duct shield, and the duct shield lower end is connected with fan outlet, and upper end is connected under casing top surface, above the under casing
Core assembly is provided with, the core assembly includes the magnetic core that uniform intervals are placed in multigroup horizontal direction, the core assembly
On be wound with primary coil and secondary winding.A kind of air blast cooling medium/high frequency transformer of the utility model, by magnetic core class interval
It sets, air passage is formed inside core assembly, improves the radiating condition of magnetic core, wind turbine is set under casing side, by duct shield
Drainage make cooling wind from bottom to top blow over entire voltage changing module, improve the work efficiency of wind turbine, and enhance wind turbine can
Maintainability.The utility model patent designs ventilating duct for segmented magnetic core transformer lower part, is only applicable in the small side of transformer weight
Case, i.e. medium-high frequency electronic low voltage transformer.One is utilized for the large capacity high voltage high frequency transformer of nearly one ton and above weight
The lower part blowing mode of the multiple ventilating ducts of wind turbine is inappropriate.In order to ensure that aeration structure mechanical strength material requested weight exists
The ventilation scheme of the patent is also inappropriate in high power density and lightweight application.
The content of the invention
For in the prior art the defects of, the object of the present invention is to provide a kind of three-phase and five-poles with ventilation cooling structure
High frequency transformer, this structure is to three-phase core and return yoke ventilating and cooling, and being enhanced using supplementary structure to upper and lower yoke simultaneously
Cooling, solve the different heat dissipation problem of heat source that planar structure three-phase non complete symmetry is brought.
The purpose of the present invention is achieved through the following technical solutions：
A kind of three-phase and five-pole high frequency transformer with ventilation cooling structure, including：Magnetic core, the winding being around on magnetic core and
Fan for ventilating and cooling, auxiliary mechanical structure, the auxiliary mechanical structure include upper and lower pressing plate, side guide and support around
The cross-over block of group；Wherein the upper and lower yoke of magnetic core is fixed in the same plane by upper and lower pressing plate, the both sides return yoke of magnetic core
It is fixed by side guide so that magnetic core is uprightly without deviating；Gap between pressing plate and side guide and magnetic core is with leading above and below
Hot glue is filled, and upper and lower pressing plate and side guide also lay one layer of heat-conducting glue with magnetic core contact position, ensure good contact and by it is upper,
Lower yoke heat is transmitted to side guide by being thermally conducted to upper and lower pressing plate and return yoke heat.
Preferably, the magnetic core, including two big two small totally four magnetic cores, two big magnetic core is located at centre, each one of both sides
Small magnetic core, this four magnetic cores are mutually arranged symmetrically against plane, form intermediate three stems suit windings, upper and lower yoke and two
A return yoke forms four window of three-phase, five rod structure of closed magnetic circuit；The winding includes low pressure winding and high-voltage winding, wherein three-phase
High-voltage winding structure is identical, three-phase low-voltage winding construction is identical, coaxial per phase high-voltage winding and low pressure winding to place and include two
The stem of a adjacent window apertures.
Preferably, the winding is separated from each other with magnetic core, and winding is contacted by cross-over block with upper and lower pressing plate, top board
Gravity and lower platen is transferred to by side guide to the support force of magnetic core, so by auxiliary mechanical structure support respectively magnetic core and around
The gravity of group avoids winding gravity from squeezing magnetic core.The auxiliary mechanical structure is further provided with supporting rack, the supporting rack lower bands
Wheel, supporting rack are arranged on the bottom of auxiliary mechanical structure.Overall weight is undertaken by the supporting rack of lower part provided with wheels.
Preferably, intermediate three two side bottom wind turbines of stem are to up-draught, make stem and inside and outside winding obtain forcing it is logical
Air cooling, the return yoke stem side guide of two windows of outermost make side guide, stem and outer respectively with an oblique up-draught of wind turbine
Portion's winding obtains forced ventilation cooling.The wind path of so each wind turbine is relatively independent, and reliability is high, easy to maintain.
Preferably, each phase high and low pressure winding of the transformer and its included stem have symmetrical two wind turbines to
Up-draught, to ventilating and cooling on the inside of place magnetic core stem, low pressure winding and high-voltage winding.Two wicket magnetic core stems of outermost
It is cooled down respectively by a wind turbine, while to ventilating and cooling on the outside of transformer high-voltage winding.
Preferably, the two Fans wind direction of outermost is obliquely against magnetic core and high-voltage winding, and wind turbine length approaches
High-voltage winding width makes to be winding is effectively cooled on the outside of magnetic core and high-voltage winding.
Preferably, the heat that the magnetic core and winding generate all is cooled down by bottom wind turbine forced ventilation, and top magnetic
Yoke can by aiding in mechanical structure conduction and exit flow heat convection, lower part yoke can by aid in mechanical structure conduction and into
Implication stream heat convection.
Preferably, each phase magnetic circuit non complete symmetry of the transformer, the ventilating and cooling mode three-phase of design are also incomplete
Symmetrically.
Magnetic core and winding of the present invention need, by the way that machinery and insulation system is aided in bear gravity, to hinder conventional dry
The cooling air duct of transformer improves cooling effect by increasing by two Fans of outside.
The present invention can be as needed, and high-voltage winding connects into that single star bears full voltage or double star is held automatically
By a half voltage；Winding is involved in power transmission, even if high-voltage winding voltage, because external cabling changes, transmission capacity can still reach
To rated condition；Due to three-phase windings and magnetic core space non complete symmetry, the ventilating and cooling mode three-phase of transformer is also incomplete
Symmetrically, to reach optimal ventilation cooling effect.
Compared with prior art, the present invention has following advantageous effect：
First, for three-phase magnetic circuit non complete symmetry, solve the heat dissipation problem of magnetic core and winding non complete symmetry heat source,
The problem of particularly return yoke heat dissipation is difficult, improves cooling effect.
Second, wind turbine is installed from bottom and air quantity is fully used, solves the high-frequency magnetic leakage field that horizontal ventilation is brought
It influences, simplifies structure and convenient for safeguarding.
3rd, auxiliary mechanical structure does not secure magnetic core and winding only effectively respectively so that winding gravity is not applied to
On magnetic core, and auxiliary mechanical structure provides the approach of the heat transfer between magnetic core by filling and laying heat-conducting glue, favorably
In air outlet and air inlet heat convection.
Description of the drawings
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other feature of the invention,
Objects and advantages will become more apparent upon：
Fig. 1 is the appearance diagram of one embodiment of the invention；
Fig. 2 is one embodiment of the invention three-phase and five-pole high frequency transformer and wind turbine layout structure diagram；
In figure：1- top boards, 2- side guides, 3- windings (including high-voltage winding 10 and low pressure winding 9), 4- wind turbines, under 5-
Pressing plate, 6- cross-over blocks, 7- supporting racks, 8- return yokes, 9- low pressure windings, 10- high-voltage windings, 11- magnetic core columns, 12- upper magnet yokes,
13- lower yokes, 14-21- wind turbines.
Specific embodiment
With reference to specific embodiment, the present invention is described in detail.Following embodiment will be helpful to the technology of this field
Personnel further understand the present invention, but the invention is not limited in any way.It should be pointed out that the ordinary skill to this field
For personnel, without departing from the inventive concept of the premise, various modifications and improvements can be made.These belong to the present invention
Protection domain.
As shown in Figure 1, it is one embodiment of the invention appearance diagram, in figure：1- top boards, 2- side guides, 3- windings, 4-
Wind turbine, 5- lower platens, 6- cross-over blocks, 7- supporting racks；
Fig. 2 is three-phase and five-pole high frequency transformer and wind turbine layout structure diagram, in figure：8- return yokes, 9- low pressure windings,
10- high-voltage windings, 11- magnetic core columns, 12- upper magnet yokes, 13- lower yokes, 14-22 wind turbines.
Specifically, a kind of three-phase and five-pole high frequency transformer with ventilation cooling structure, including：Magnetic core, winding, auxiliary machine
Tool structure and wind turbine.
The magnetic core, using high permeability, high saturated magnetic induction, low specific loss amorphous alloy material, centre two
A big magnetic core, each small magnetic core in both sides, four magnetic cores are mutually arranged symmetrically against plane, formed among three stems suit around
Group, upper and lower yoke and two return yokes form four window of three-phase, five rod structure of closed magnetic circuit；10 structure of three-phase high-voltage winding is identical,
9 structure of three-phase low-voltage winding is identical, is coaxially placed (low pressure winding is close to magnetic core) with low pressure winding per phase high pressure, and includes two
The magnetic core column 11 of adjacent window apertures.
The auxiliary mechanical structure includes top board 1, lower platen 5, side guide 2, the cross-over block 6 for supporting winding and bottom
Supporting rack 7, the upper magnet yoke 12 of magnetic core, lower yoke 13 fixed in the same plane by top board 1, lower platen 5, both sides return yoke
8 are fixed by side guide 2 so that magnetic core is uprightly without deviating.Side guide 2 and core gaps, top board 1, lower platen 5 with
Gap between magnetic core is filled with heat-conducting glue, such as epoxy resin heat-conducting glue, top board 1, lower platen 5 and side guide 2 and magnetic
One layer of heat-conducting glue is also laid in core contact position, can not only ensure good contact, but also can be by upper lower yoke heat by being thermally conducted to
Top board 1, lower platen 5 and 8 heat of return yoke is transmitted to side guide 2.
The winding 3, is separated from each other with magnetic core, and winding 3 is contacted by cross-over block 6 with top board 1, lower platen 5, insulation
Cushion block 6 tightens together with top board 1, lower platen 5, and part magnetic core weight is undertaken by upper portion insulating cushion block 6, lower part cross-over block
6 do not contact with magnetic core, and 1 weight of top board is transferred to lower platen 5 by side guide 2, and 3 weight of winding is undertaken by lower platen 5.It is whole
The supporting rack 7 of weight lower part provided with wheels undertakes.
The magnetic core, wherein among three two side bottoms of stem with wind turbine 14-19 to up-draught, make stem and inside and outside winding
3 obtain forced ventilation cooling, and 8 side guide 2 of return yoke of two windows of outermost makes respectively with a wind turbine 20,21 oblique up-draughts
Side guide 2, return yoke 8 and outside winding obtain forced ventilation cooling.The wind path of so each wind turbine is relatively independent, and reliability is high, dimension
Shield is convenient.
As a preferred embodiment, low pressure winding 9 and high-voltage winding 10 are using segmental structure, wherein high-voltage winding
10 change connection mode as needed, and cross section is round rectangle, save material and space.
Multistage coil with phase high-voltage winding 10 is divided into each coil in symmetrical two groups, each group and connects to carry along polarity
High voltage.High-voltage winding 10 can be in parallel along polarity series connection or Same Name of Ends according to transmission voltage request per two groups of coils of phase.Two groups
10 lead of high-voltage winding can connect into that single star bears full voltage or double star is born automatically as needed in outside
One half voltage.For low pressure winding 9 close to magnetic core, 10 coil of high-voltage winding is sleeved on 9 coil outer of low pressure winding, is used between adjacent windings
Insulation board separates；Above-mentioned coil lead is drawn successively after adding ceramics pipe outer, and marks Same Name of Ends.
As a preferred embodiment, top board 1, side guide 2, lower platen 5 use " several " font, upper magnet yoke 12, under
Yoke 13 is fixedly clamped for the top board 1, lower platen 5 of " several " font in same plane respectively with section, left and right two return yokes 8
It is clamped respectively with section for " several " font side guide 2, is vertically arranged magnetic core.Wherein, all pressing plate inner surface laying heat-conducting glues
So that pressing plate and magnetic core intimate surface contact.Gap filling heat-conducting glue between each pressing plate and magnetic core, such as epoxy resin heat-conducting glue,
So that between magnetic core, between magnetic core and top board 1, lower platen 5 and between return yoke and side guide 2, it is good fixed, be conducive to
Heat on magnetic core is passed to by heat transfer on the pressing plate being in contact.
As a preferred embodiment, magnetic core of transformer and winding are needed by aiding in machinery and insulation knot in the present invention
Structure bears gravity, hinders the cooling air duct of conventional dry transformer, and cooling effect is improved by increasing by two Fans 20,21 of outside
Fruit.Two Fans 20 of outermost, 21 wind directions are obliquely against magnetic core and high-voltage winding, and wind turbine length is wide close to high-voltage winding
Degree makes to be winding is effectively cooled on the outside of magnetic core and high-voltage winding.
Transformer forced ventilation is cooled down using eight wind turbine 14-21, wherein per phase high-low pressure winding and magnetic core stem by
The upward forced ventilation coolings of former and later two wind turbines 14-19.Since return yoke magnetic core temperature rise ratio is higher, so both sides are respectively needed by one
Wind turbine 20,21, the cooling of forced ventilation obliquely.Wind turbine is fixed on lower platen 5, each phase winding and return yoke independence forced ventilation,
Reliability is improved, convenient for safeguarding.
The heat that the magnetic core and winding generate all is cooled down by bottom wind turbine 14-19 forced ventilations, and upper magnet yoke 12
It can be by aiding in mechanical structure conduction and exit flow heat convection, lower yoke 13 can be by aiding in mechanical structure conduction and import
Airflow convection exchanges heat.
Each phase magnetic circuit non complete symmetry of transformer of the present invention, the ventilating and cooling mode three-phase of design also non complete symmetry.
To sum up, the present invention is for three-phase magnetic circuit non complete symmetry, solves dissipating for magnetic core and winding non complete symmetry heat source
Heat problem improves cooling effect.Wind turbine is installed from bottom and air quantity is fully used, solves the high frequency that horizontal ventilation is brought
Stray field influences, and simplifies structure and convenient for safeguarding.Magnetic core and winding but also offer has not only been effectively fixed in upper and lower yoke attachment
The approach of heat transfer, is conducive to air outlet and air inlet heat convection.
Specific embodiments of the present invention are described above.It is to be appreciated that the invention is not limited in above-mentioned
Particular implementation, those skilled in the art can make various deformations or amendments within the scope of the claims, this not shadow
Ring the substantive content of the present invention.
Claims (8)
1. a kind of three-phase and five-pole high frequency transformer with ventilation cooling structure, including：Magnetic core, the winding being around on magnetic core and use
In the fan of ventilating and cooling, it is characterised in that further include auxiliary mechanical structure, the auxiliary mechanical structure include upper and lower pressing plate,
The cross-over block of side guide and support winding；Wherein the upper and lower yoke of magnetic core is fixed in the same plane by upper and lower pressing plate,
The both sides return yoke of magnetic core is fixed by side guide so that magnetic core is uprightly without deviating；Upper and lower pressing plate and side guide and magnetic core
Between gap filled with heat-conducting glue, upper and lower pressing plate and side guide also lay one layer of heat-conducting glue with magnetic core contact position, ensure good
It is good to contact and upper and lower yoke heat is transmitted to side guide by being thermally conducted to upper and lower pressing plate and return yoke heat；
The magnetic core, including two big two small totally four magnetic cores, two big magnetic core is located at centre, and each small magnetic core in both sides, this four
A magnetic core is mutually arranged symmetrically against plane, forms intermediate three stems suit windings, and upper and lower yoke and two return yokes compositions are closed
Close four window of three-phase, five rod structure of magnetic circuit；
Three stems in centre, the two side bottom wind turbine makes stem and inside and outside winding obtain forced ventilation cooling to up-draught,
The return yoke side guide of two windows of outermost respectively with an oblique up-draught of wind turbine, obtains side guide, return yoke and outside winding
Forced ventilation cools down；
The upper and lower pressing plate, side guide section are " several " font, and upper and lower yoke is respectively with the upper and lower pressure that section is " several " font
Board clamping is fixed on same plane, and two return yokes are respectively " several " font side pressure board clamping with section, are vertically arranged magnetic core.
2. the three-phase and five-pole high frequency transformer according to claim 1 with ventilation cooling structure, which is characterized in that described
Winding includes low pressure winding and high-voltage winding, and wherein three-phase high-voltage winding construction is identical, three-phase low-voltage winding construction is identical, per phase
The coaxial placement of high-voltage winding and low pressure winding and include the stem of two adjacent window apertures.
3. the three-phase and five-pole high frequency transformer according to claim 2 with ventilation cooling structure, which is characterized in that described
Winding is separated from each other with magnetic core, and winding is contacted by cross-over block with upper and lower pressing plate, top board gravity and the support to magnetic core
Power is transferred to lower platen by side guide, supports the gravity of magnetic core and winding respectively by auxiliary mechanical structure, avoids winding gravity
Squeeze magnetic core.
4. the three-phase and five-pole high frequency transformer according to claim 1 with ventilation cooling structure, which is characterized in that described
Auxiliary mechanical structure is further provided with supporting rack, and the supporting rack lower part provided with wheels, supporting rack is arranged on the bottom of auxiliary mechanical structure
Portion.
5. the three-phase and five-pole high frequency transformer according to claim 1 with ventilation cooling structure, which is characterized in that described
There are symmetrical two wind turbines in each phase high-voltage winding, low pressure winding and the included center pinch of transformer to up-draught, to institute
The ventilating and cooling on the inside of stem, low pressure winding and high-voltage winding, two wicket return yokes of outermost are cooled down respectively by a wind turbine,
Simultaneously to ventilating and cooling on the outside of transformer high-voltage winding.
6. the three-phase and five-pole high frequency transformer according to claim 1 with ventilation cooling structure, which is characterized in that outermost
Two Fans wind direction of side is obliquely against magnetic core and high-voltage winding, and wind turbine length makes magnetic core and height close to high-voltage winding width
It is winding is effectively cooled on the outside of pressure winding；Low pressure winding and high-voltage winding are using segmental structure, wherein high-voltage winding cross section
For round rectangle.
7. there is the three-phase and five-pole high frequency transformer of ventilation cooling structure, feature according to claim 1-6 any one of them
It is, the heat that the magnetic core and winding generate all is cooled down by bottom wind turbine forced ventilation, and upper magnet yoke passes through auxiliary machine
Tool structure conduction and exit flow heat convection, lower yoke is by aiding in mechanical structure conduction and inlet air flow heat convection.
8. there is the three-phase and five-pole high frequency transformer of ventilation cooling structure, feature according to claim 1-6 any one of them
It is, each phase magnetic circuit non complete symmetry of transformer, ventilating and cooling mode three-phase also non complete symmetry.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510543614.9A CN105225794B (en) | 2015-08-28 | 2015-08-28 | A kind of three-phase and five-pole high frequency transformer with ventilation cooling structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510543614.9A CN105225794B (en) | 2015-08-28 | 2015-08-28 | A kind of three-phase and five-pole high frequency transformer with ventilation cooling structure |
Publications (2)
| Publication Number | Publication Date |
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| CN105225794A CN105225794A (en) | 2016-01-06 |
| CN105225794B true CN105225794B (en) | 2018-05-22 |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108364762A (en) * | 2018-01-12 | 2018-08-03 | 苏州汇川技术有限公司 | Phase-shifting rectifier transformer |
| DE102018201488A1 (en) | 2018-01-31 | 2019-08-01 | Siemens Aktiengesellschaft | Electrical device with pressing plates for clamping a magnetizable core |
| US11258370B2 (en) | 2018-11-30 | 2022-02-22 | Teco-Westinghouse Motor Company | High frequency medium voltage drive system for high speed machine applications |
| CN110310799B (en) * | 2019-07-19 | 2024-01-23 | 东莞市大忠电子有限公司 | 5G integrated three-phase transformer structure |
| CN110310801A (en) * | 2019-07-19 | 2019-10-08 | 东莞市大忠电子有限公司 | A kind of integrated three-phase common mode inductance of 5G |
| CN111899964B (en) * | 2020-08-03 | 2024-04-26 | 上海交通大学 | Multi-winding high-frequency transformer with solid insulation structure |
| CN111933410B (en) * | 2020-08-03 | 2021-08-31 | 上海交通大学 | Multi-module multi-winding high-frequency transformer assembly and system with ventilation cooling structure |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201478091U (en) * | 2009-08-13 | 2010-05-19 | 上海置信电气非晶有限公司 | Amorphous alloy 10 kV dry-type transformer for wind power generation |
| CN101996755A (en) * | 2009-08-13 | 2011-03-30 | 上海置信电气非晶有限公司 | Amorphous alloy 10kV dry type transformer used for wind power generation |
| CN201611601U (en) * | 2010-02-05 | 2010-10-20 | 上海置信电气股份有限公司 | Amorphous alloy 10kV air-immersed transformer for solar electrical energy generation |
| KR20140062361A (en) * | 2012-11-14 | 2014-05-23 | 현대중공업 주식회사 | Cast-resin transformer for improving cooling efficiency |
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Address after: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Co-patentee after: GLOBAL ENERGY INTERCONNECTION RESEARCH INSTITUTE Co.,Ltd. Patentee after: STATE GRID CORPORATION OF CHINA Co-patentee after: SHANGHAI JIAO TONG University Co-patentee after: STATE GRID ZHEJIANG ELECTRIC POWER Co.,Ltd. Address before: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Co-patentee before: GLOBAL ENERGY INTERCONNECTION Research Institute Patentee before: STATE GRID CORPORATION OF CHINA Co-patentee before: SHANGHAI JIAO TONG University Co-patentee before: STATE GRID ZHEJIANG ELECTRIC POWER Co.,Ltd. Address after: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Co-patentee after: GLOBAL ENERGY INTERCONNECTION Research Institute Patentee after: STATE GRID CORPORATION OF CHINA Co-patentee after: SHANGHAI JIAO TONG University Co-patentee after: STATE GRID ZHEJIANG ELECTRIC POWER Co.,Ltd. Address before: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Co-patentee before: STATE GRID SMART GRID Research Institute Patentee before: State Grid Corporation of China Co-patentee before: SHANGHAI JIAO TONG University Co-patentee before: STATE GRID ZHEJIANG ELECTRIC POWER Co. |
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