CN109274102A - A kind of electric power terminal electric energy optimization device - Google Patents
A kind of electric power terminal electric energy optimization device Download PDFInfo
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- CN109274102A CN109274102A CN201811268254.6A CN201811268254A CN109274102A CN 109274102 A CN109274102 A CN 109274102A CN 201811268254 A CN201811268254 A CN 201811268254A CN 109274102 A CN109274102 A CN 109274102A
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- 238000005457 optimization Methods 0.000 title claims abstract description 14
- 238000004804 winding Methods 0.000 claims abstract description 182
- 230000006698 induction Effects 0.000 claims abstract description 9
- 230000003068 static effect Effects 0.000 claims abstract description 7
- 239000011888 foil Substances 0.000 claims description 13
- 230000008859 change Effects 0.000 claims description 5
- 238000001914 filtration Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 3
- 230000013011 mating Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 8
- 230000005611 electricity Effects 0.000 description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 4
- 239000010949 copper Substances 0.000 description 4
- 238000009826 distribution Methods 0.000 description 4
- 238000009413 insulation Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000011218 segmentation Effects 0.000 description 2
- 206010000234 Abortion spontaneous Diseases 0.000 description 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000007596 consolidation process Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N ferric oxide Chemical compound O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 208000015994 miscarriage Diseases 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 208000000995 spontaneous abortion Diseases 0.000 description 1
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/01—Arrangements for reducing harmonics or ripples
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/2847—Sheets; Strips
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/32—Insulating of coils, windings, or parts thereof
- H01F27/324—Insulation between coil and core, between different winding sections, around the coil; Other insulation structures
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/18—Arrangements for adjusting, eliminating or compensating reactive power in networks
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/2847—Sheets; Strips
- H01F2027/2857—Coil formed from wound foil conductor
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/30—Reactive power compensation
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/40—Arrangements for reducing harmonics
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Coils Of Transformers For General Uses (AREA)
Abstract
The present invention relates to a kind of electric power terminal electric energy optimization devices, converter power transformer is filtered including induction type, the induction type filtering converter power transformer includes high-voltage winding and low pressure winding, the low pressure winding is two-part, and one section is public winding W2, and another section is harmonic shielding winding W3, the public winding W2 output end connects rectification circuit, harmonic shielding one end winding W3 ground connection, the other end connect static reactive generator, higher hamonic wave are filtered and are compensated with idle.Compared with prior art, present invention reduces the capacity of mating dynamic compensating device and voltage class demands, comprehensive to improve its energy-saving effect and integrated degree.
Description
Technical field
The present invention relates to a kind of electric energy optimization devices, more particularly, to a kind of electric power terminal electric energy optimization device.
Background technique
At present for electric arc furnaces, electrolytic cell, high-power frequency conversion speed regulation, industrial rectifier etc. are non-linear, impact electricity consumption is whole
The power quality controlling at end, both at home and abroad mainly using the realization of the devices such as passive filter, Static Var Compensator, but these
Device only passively solves the negative influence of harmonic wave and reactive power to power supply-distribution system, without considering that they become distribution
The harm of the electrical equipments such as depressor itself, harmonics and reactive current will will lead to transformer by the former and deputy side winding that distribution becomes
Loss increases, and vibration, noise and temperature rise aggravation to influence the safe and highly efficient operation of electric power terminal, are especially considering that new energy
Power quality problem caused by the extensive use of electronic power convertor in the power generation of source, it is therefore desirable to which proposition is directly facing electricity consumption end
The new electric energy complex optimum scheme at end.
Reactive compensation is widely applied as a kind of important means for guaranteeing power quality.However current reactive compensation
Equipment is only combined from electrical connection between the two with transformer, does not form real ontology combination, so that
Both equipment are constantly in respective independently operated state, do not form good cooperation between the two, respectively occupy
Space is built, equipment integrated degree is not high.
Summary of the invention
It is an object of the present invention to overcome the above-mentioned drawbacks of the prior art and provide a kind of electric power terminal electric energy
Optimize device.
The purpose of the present invention can be achieved through the following technical solutions:
A kind of electric power terminal electric energy optimization device, including induction type filter converter power transformer, and the induction type filtering is changed
Convertor transformer includes high-voltage winding and low pressure winding, and the low pressure winding is two-part, and one section is public winding W2, Ling Yiduan
For harmonic shielding winding W3, the public winding W2 output end connects rectification circuit, described one end harmonic shielding winding W3
Ground connection, the other end connect static reactive generator, higher hamonic wave are filtered and are compensated with idle.
The high-voltage winding and low pressure winding is Foil winding.
The static reactive generator is H bridge chain structure.
The public winding W2 and harmonic shielding winding W3 phase is different.
The high-voltage winding includes the first high-voltage winding HV1 and the second high-voltage winding HV2 parallel with one another；First high pressure
Winding include the first high positive pressure winding HV11 being serially connected and the first high pressure back-roll group HV12, the first high positive pressure winding HV11 around
To identical as public winding W2, the first high pressure back-roll group HV12 is around to opposite with public winding W2；Second high-voltage winding includes phase
The mutual concatenated high positive pressure winding HV22 of second high pressure back-roll group HV21 and second, the second high pressure back-roll group HV21 around to it is first high
Press back-roll group HV12 identical, the second high positive pressure winding HV22 is around to identical as the first high positive pressure winding HV11.
The high positive pressure winding HV11 of described first, the first high pressure back-roll group HV12, the second high pressure back-roll group HV21 and second
High positive pressure winding HV22 is from top to bottom successively around the home outside insulating part.
Be provided with insulating part outside the low pressure winding, the stem terminal a1 and rear terminal x1 of public winding W2 all from
Top is drawn, and the stem terminal a2 and rear terminal x2 of harmonic shielding winding W3 is drawn from lower part.
Compared with prior art, the invention has the following advantages that
(1) it is suggested based on circuit-flux coupled induction type filtering converter power transformer, utilizes ampere-turn equilibrium principle and change
Depressor winding zero impedance designing technique, realize transformer winding and novel stillness wattless occurrence apparatus (SVG) Proper Match and
Whole design has been really achieved the two organic assembling by electric energy optimizing system combination in power transformer from body construction,
It realizes that the height of the technologies such as intelligent power supply and efficient electricity consumption merges, maximumlly reduces the capacity and electricity of mating dynamic compensating device
Level requirements are pressed, it is comprehensive to improve its energy-saving effect and integrated degree.
(2) HV1 and HV2 is respectively the concatenated foil of 2 segmentations around winding, solves high-voltage winding the number of turns and mostly uses cake formula cost
It is high and be not segmented the more disadvantage of foil winding layer insulation, it improves the anti-short circuit capability of coil, the production efficiency of winding and reduces change
The cost of depressor.
(3) high-voltage winding and low pressure winding are Foil winding, improve the anti-short circuit capability of winding.
Detailed description of the invention
Fig. 1 is the present embodiment electric power terminal electric energy optimization device circuit model；
Fig. 2 is the H bridge chain structure of the unidirectional SVG of the present embodiment；
Fig. 3 is the present embodiment transformer winding layout drawing；
Fig. 4 is the present embodiment transformer winding structure figure.
Specific embodiment
The present invention is described in detail with specific embodiment below in conjunction with the accompanying drawings.The present embodiment is with technical solution of the present invention
Premised on implemented, the detailed implementation method and specific operation process are given, but protection scope of the present invention is not limited to
Following embodiments.
Embodiment
As shown in Figure 1, secondary winding be two sections of windings, wherein one section be public winding W2, another section for harmonic shielding around
Group W3, the two centre draw an external static reactive generator of tap (SVG), higher hamonic wave are filtered and are mended with idle
It repays.When design, SVG device introduces variable impedance principle, and harmonic shielding winding W3 is to realize that equivalent leakage inductance and AC resistance connect
It is bordering on zero design, constitutes and the circuit that harmonic wave total impedance is approximately zero is formed to higher hamonic wave, then the harmonic wave electricity of circuit induction
The raw magnetic flux of miscarriage can offset the harmonic flux of nonlinear-load harmonic current generation.In Fig. 1, EA、EB、ECFor supply voltage；R1
For line resistance；iA、iB、iCFor the electric current of high-voltage winding；UA、UB、UCFor the input voltage of high-voltage winding；Ua、Ub、UcFor low pressure
The port output voltage of winding；ia、ib、icFor the electric current of low pressure winding；R2For outlet line resistance；LloadFor outlet line electricity
Sense；U3a、U3b、U3cFor the port voltage of Filter Winding；i3a、i3b、i3cFor the electric current of Filter Winding.With core type three winding induction type
The winding arrangement single-column winding construction for filtering converter power transformer is as shown in Figure 3.In Fig. 3, a1、a2、a3And a12、a23Indicate winding
Width is to width and the width in leakage field channel to width；D1、D2、D3Winding is indicated at a distance from iron core, such layout is conducive to module
Change and integrated structure design.The single-phase H bridge main circuit structure of SVG is as shown in Fig. 2, the advantage of this topology is Filter Winding cloth
It sets between high-voltage winding and low pressure winding, and other 2 windings are not electric contacts, and filter effect is not by transformer station high-voltage side bus work
Condition influences.The tertiary winding uses tuning manner simultaneously, and most of harmonic wave is directly filtered out by Filter Winding, can thus be reduced
SVG capacity improves cost performance.In addition, SVG topological structure uses the redundant fashion of N+1, reliability and maintenance rapidity are mentioned
Height reduces non-programmed halt number and repair time, improves equivalent available factor.
Transformer winding structure can be obtained as shown in figure 4, as shown in Figure 4 according to Fig. 1 transformer winding structure and distribution, the change
Depressor topology include at least one set of high-voltage winding (HV11, HV12 and HV21, HV22, they connect and form high-voltage winding, that is,
(LV1 and LV2, wherein LV1 is low pressure winding W2, LV2 Fig. 1 in Fig. 1 by high-voltage winding W1 and two groups of low pressure windings in Fig. 1
In the tertiary winding, that is, Filter Winding W3).2 winding phases differences of low pressure winding, connect rectifier equipment respectively；HV11
With HV12 around on the contrary, HV21 and HV22 around to opposite；HV11 and LV1 is around to identical, and HV22 and HV11 are around to identical.HV11 and
HV12 connects to form HV1；HV21 and HV22 connect to form HV2；HV1 and HV2 parallel connection forms HV；HV11, HV12 and HV21, HV22
And LV1 and all Foil windings of LV2.
Wherein, low pressure winding includes around the home in the first low pressure winding LV1 on insulating cylinder top and around the home in insulating cylinder lower part
The second low pressure winding LV2, the first low pressure winding LV1 and the second low pressure winding LV2 around to identical (also can opposite)；Low pressure winding
Outside is provided with insulating part, and the stem terminal a1 and rear terminal x1 of the first low pressure winding LV1 is drawn from top, the second low pressure
The stem terminal a2 and rear terminal x2 of winding LV2 is drawn from lower part；High-voltage winding includes the first high-voltage winding HV1 and second
High-voltage winding HV2；First high-voltage winding includes the first high positive pressure winding HV11 and the first high pressure back-roll group HV12, the first high positive pressure
Winding HV11 around to identical as the first low pressure winding LV1, the first high pressure back-roll group HV12 around to the first low pressure winding LV1 phase
Instead；Second high-voltage winding includes the high positive pressure winding HV22 of the second high pressure back-roll group HV21 and second, the second high pressure back-roll group HV21
Around to identical as the first high pressure back-roll group HV21, the second high positive pressure winding HV22 is around to identical as the first high positive pressure winding HV11；
First high positive pressure winding HV11 and the first high pressure back-roll group HV12 series connection, the second high positive pressure winding of high pressure back-roll group HV21 and second
HV22 series connection, the first high-voltage winding and the second high-voltage winding are in parallel；First high positive pressure winding HV11, the first high pressure back-roll group
HV12, the second high positive pressure winding HV22 of high pressure back-roll group HV21 and second are from top to bottom successively around the home outside insulating part, and first
High-voltage winding is corresponding with the position of the first low pressure winding LV1, and the second high-voltage winding is corresponding with the position of the second low pressure winding LV2.
High-voltage winding and low pressure winding are all foil around winding.
By this topological structure and technique for coiling it is found that HV1 and HV2 are respectively the concatenated foil of 2 segmentations around winding, solves height
Pressure umber of turn mostly uses cake formula at high cost and is not segmented the more disadvantage of foil winding layer insulation, improve coil anti-short circuit capability,
The production efficiency of winding and the cost for reducing transformer.In addition, since HV11, HV12 and HV21, HV22 and LV1 and LV2 are complete
Portion is Foil winding, improves the anti-short circuit capability of winding.
Integrating filtering transformer winding method, comprising the following steps:
A, the first low pressure winding foil is wound on insulating cylinder top, the stem terminal and rear terminal of the first low pressure winding all from
It draws on top；
B, the second low pressure winding foil is wound on insulating cylinder lower part, the second low pressure winding and the first low pressure winding (LV1) around
To on the contrary, the stem terminal and rear terminal of the second low pressure winding are all drawn from lower part；
C, it detects the first low pressure winding and whether the number of turns, insulation and each size of the second low pressure winding meets drawing and technique
It is required that enter step d if errorless, if wrong, remove coil and coiling and detect again, until errorless；
D, insulating part is placed outside low pressure winding；
E, outside insulating part foil around the first high positive pressure winding, the first high pressure back-roll group, the second high pressure back-roll group and second
High positive pressure winding；First high positive pressure winding around to identical as the first low pressure winding, the first high pressure back-roll group around to the first high pressure
Positive winding is opposite；Second high pressure back-roll group around to identical as the first high pressure back-roll group, the second high positive pressure winding around to it is first high
Positive pressure winding is identical；First high positive pressure winding, the first high pressure back-roll group, the second high pressure back-roll group and the second high positive pressure winding are from upper
It successively arranges under, first high-voltage winding is corresponding with the position of the first low pressure winding, second high-voltage winding and second
The position of low pressure winding is corresponding；The stem terminal of the first high positive pressure winding is drawn from top, and rear terminal is drawn from lower part；
The stem terminal of the first high pressure back-roll group is drawn from top, and rear terminal is drawn from lower part；The second high pressure back-roll group
Stem terminal from lower part draw, rear terminal from top draw；The stem terminal of the second high positive pressure winding draws from lower part
Out, rear terminal is drawn from top；
F, the rear terminal of the first high positive pressure winding and the head of the first high pressure back-roll group are connected in winding process using copper bar
Portion's terminal；The stem terminal of the second high pressure back-roll group and the rear terminal of the second high positive pressure winding are connected using copper bar；Use copper
The rear terminal of row's the first high pressure back-roll group of connection and the rear terminal of the second high pressure back-roll group, connect the first high pressure using copper bar
The positive stem terminal of winding and the stem terminal of the second high positive pressure winding.
G, preferably, also low pressure winding and insulating part are dried before step d.Drying process can be kept away
Exempt from insulating part and shrinks the loosening caused between high-low pressure winding.
In order to which coiling consolidation improves the anti-short circuit capability of transformer, steps are as follows for the coiling of each coil:
(1) LV1 and LV2 need to be wound on the same insulating cylinder 1；
(2) to LV1 and LV2 around making, again in its outer insulating part 2 for placing major insulation after detection is good；
(3) in insulating part 2 outer coiling HV11, HV12 and HV21, HV22；
(4) to pay special attention to when each coiling each coil around to avoiding mistake；
(5) it in order to avoid the loosening between high-low pressure winding caused by the contraction of insulating part 2 after drying, can be put at second
Low pressure winding and insulating part 2 are first dried before insulating part 2, it is to be dried it is good after carry out step 3 again.
Claims (7)
1. a kind of electric power terminal electric energy optimization device, including induction type filter converter power transformer, the induction type filters the change of current
Transformer includes high-voltage winding and low pressure winding, which is characterized in that the low pressure winding is two-part, and one section is public winding
W2, another section is harmonic shielding winding W3, and the public winding W2 output end connects rectification circuit, the harmonic shielding around
Group one end W3 ground connection, the other end connect static reactive generator, higher hamonic wave are filtered and are compensated with idle.
2. a kind of electric power terminal electric energy optimization device according to claim 1, which is characterized in that the high-voltage winding and
Low pressure winding is Foil winding.
3. a kind of electric power terminal electric energy optimization device according to claim 1, which is characterized in that the static reacance hair
Raw device is H bridge chain structure.
4. a kind of electric power terminal electric energy optimization device according to claim 1, which is characterized in that the public winding W2
It is different with harmonic shielding winding W3 phase.
5. a kind of electric power terminal electric energy optimization device according to claim 1, which is characterized in that the high-voltage winding packet
Include the first high-voltage winding HV1 and the second high-voltage winding HV2 parallel with one another；First high-voltage winding include be serially connected it is first high
Positive pressure winding HV11 and the first high pressure back-roll group HV12, the first high positive pressure winding HV11 is around to identical as public winding W2, and first
High pressure back-roll group HV12 is around to opposite with public winding W2；Second high-voltage winding includes the second high pressure back-roll group being serially connected
HV21 and second high positive pressure winding HV22, the second high pressure back-roll group HV21 are around to identical as the first high pressure back-roll group HV12, and second
High positive pressure winding HV22 is around to identical as the first high positive pressure winding HV11.
6. a kind of electric power terminal electric energy optimization device according to claim 5, which is characterized in that the high positive pressure of described first
Winding HV11, the first high pressure back-roll group HV12, the second high positive pressure winding HV22 of high pressure back-roll group HV21 and second from top to bottom according to
It is secondary around the home outside insulating part.
7. a kind of electric power terminal electric energy optimization device according to claim 1, which is characterized in that outside the low pressure winding
Portion is provided with insulating part, and the stem terminal a1 and rear terminal x1 of public winding W2 is drawn from top, harmonic shielding winding W3
Stem terminal a2 and rear terminal x2 all from lower part draw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811268254.6A CN109274102A (en) | 2018-10-29 | 2018-10-29 | A kind of electric power terminal electric energy optimization device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811268254.6A CN109274102A (en) | 2018-10-29 | 2018-10-29 | A kind of electric power terminal electric energy optimization device |
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| Publication Number | Publication Date |
|---|---|
| CN109274102A true CN109274102A (en) | 2019-01-25 |
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ID=65194473
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811268254.6A Pending CN109274102A (en) | 2018-10-29 | 2018-10-29 | A kind of electric power terminal electric energy optimization device |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1665112A (en) * | 2005-04-05 | 2005-09-07 | 刘福生 | Autocompensation and harmonic wave shielding converter transformer |
| CN201229838Y (en) * | 2008-07-22 | 2009-04-29 | 常州特种变压器有限公司 | Dry type rectifier transformer |
| CN101635197A (en) * | 2009-05-31 | 2010-01-27 | 湖南大学 | Harmonic shielding Vv connection traction balancing transformer |
| CN103501005A (en) * | 2013-09-30 | 2014-01-08 | 国网湖南省电力公司 | Transformer induction filtering and reactive compensation integration device suitable for wind power |
| CN104952593A (en) * | 2015-05-13 | 2015-09-30 | 杭州钱江电气集团股份有限公司 | Axial double-splitting rectification full foil winding transformer and winding method |
| CN107359579A (en) * | 2017-09-07 | 2017-11-17 | 国网湖南省电力公司 | Based on the complementary intensive DC de-icing device of SVG and diode rectifier |
| CN209859774U (en) * | 2018-10-29 | 2019-12-27 | 上海电力学院 | Power supply intelligent control type power energy-saving transformer with deep integration |
-
2018
- 2018-10-29 CN CN201811268254.6A patent/CN109274102A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1665112A (en) * | 2005-04-05 | 2005-09-07 | 刘福生 | Autocompensation and harmonic wave shielding converter transformer |
| CN201229838Y (en) * | 2008-07-22 | 2009-04-29 | 常州特种变压器有限公司 | Dry type rectifier transformer |
| CN101635197A (en) * | 2009-05-31 | 2010-01-27 | 湖南大学 | Harmonic shielding Vv connection traction balancing transformer |
| CN103501005A (en) * | 2013-09-30 | 2014-01-08 | 国网湖南省电力公司 | Transformer induction filtering and reactive compensation integration device suitable for wind power |
| CN104952593A (en) * | 2015-05-13 | 2015-09-30 | 杭州钱江电气集团股份有限公司 | Axial double-splitting rectification full foil winding transformer and winding method |
| CN107359579A (en) * | 2017-09-07 | 2017-11-17 | 国网湖南省电力公司 | Based on the complementary intensive DC de-icing device of SVG and diode rectifier |
| CN209859774U (en) * | 2018-10-29 | 2019-12-27 | 上海电力学院 | Power supply intelligent control type power energy-saving transformer with deep integration |
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