CN105141140B - A kind of improved Multifunction transformer - Google Patents
A kind of improved Multifunction transformer Download PDFInfo
- Publication number
- CN105141140B CN105141140B CN201510467899.2A CN201510467899A CN105141140B CN 105141140 B CN105141140 B CN 105141140B CN 201510467899 A CN201510467899 A CN 201510467899A CN 105141140 B CN105141140 B CN 105141140B
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- coil
- transformer
- iron core
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- tap
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Classifications
-
- 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
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M5/00—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases
- H02M5/02—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into dc
- H02M5/04—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into dc by static converters
- H02M5/10—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into dc by static converters using transformers
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P13/00—Arrangements for controlling transformers, reactors or choke coils, for the purpose of obtaining a desired output
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Rectifiers (AREA)
- Dc-Dc Converters (AREA)
- Control Of Electrical Variables (AREA)
Abstract
The present invention relates to a kind of improved Multifunction transformer.It includes the saturable reactor and transformer being arranged on same closed loop iron core；The saturable reactor includes respectively having a DC coil in two iron core columns, and each DC coil has tap；The Same Name of Ends connection of two DC coils, the tap of first DC coil connects the different name end of second DC coil through positive IGCT, and the different name end of first DC coil connects the tap of second DC coil through positive IGCT；The control end connection control circuit of two IGCT, control circuit controls the size at two IGBT group angles；The size of two DC coil DC currents is continuously adjusted, continuously adjusting for saturable reactor reactance value is realized.
Description
Technical field
Power transformation technology field is sent the present invention relates to power system, more particularly to a kind of improved Multifunction transformer.
Background technology
Application of the power transformer in power system is widely.Power transformer can be changed to high-voltage variable low electricity
Low-voltage, can be also transformed to high voltage by pressure.
Application of the reactor in power system is also very extensive.The controllable transducer letter that reactance value can be continuously adjusted
Referred to as saturable reactor or magnet controlled reactor.
So far, power transformer and saturable reactor both equipment are all to study respectively, are manufactured respectively.If a change
Power station needs power transformer and both equipment of saturable reactor simultaneously, then the cumulative volume of equipment is big, iron core is heavy, price is high,
Floor space is big.
Due to " no matter the change of transformer core saturation degree is how many, causing the change of transformer leakage reactance to be not more than 7%.”
So, on the basis of a saturable reactor iron core, two kinds of functions of transformer and saturable reactor can be realized simultaneously.Transformation
The work of device module does not influence the performance of saturable reactor module, and the work of saturable reactor module does not influence the property of transformer module
Energy.The Multifunction transformer that CN201410461882.1, CN 201510010431.0 is proposed, but saturable reactor mould therein
The performance of block is not good enough, and structure can be improved.
The content of the invention
The purpose of the present invention be exactly to solve the above problems, provide a kind of performance more preferably, more reasonable structure it is improved many
Functional transformer.
To achieve the above object, the present invention is adopted with the following method：
A kind of improved Multifunction transformer, it includes saturable reactor and the transformation being arranged on same closed loop iron core
Device；Wherein,
The transformer is made up of primary winding and secondary coil；
The saturable reactor common transformer primary winding, saturable reactor remainder is not connected to transformer coil,
And do not access power system；Including a pair of structure identical DC coils, two iron core columns of the closed loop iron core are separately mounted to
On；Each DC coil has tap；The Same Name of Ends connection of two DC coils, the different name end of a DC coil passes through one
Reverse IGCT be connected with the tap of another DC coil, the different name end of another DC coil by a forward direction IGCT and
The tap connection of previous DC coil；
The control end connection control circuit of two IGCT, control circuit controls the size at two IGBT group angles；Continuously
The size of two DC coil DC currents is adjusted, continuously adjusting for saturable reactor reactance value is realized.
Its DC coil of the Multifunction transformer of this kind of form is kept to two, so that whole Multifunction transformer structure
Simplify, but transformer portion therein influenced each other with saturable reactor part it is small, even if transformer portion load current has change
Change, also do not interfere with the performance of saturable reactor part.
A kind of improved Multifunction transformer, it includes saturable reactor and the transformation being arranged on same closed loop iron core
Device；Wherein,
The transformer is made up of primary winding and secondary coil；
The saturable reactor common transformer primary winding, saturable reactor remainder is not connected to transformer coil,
And do not access power system；Including two pairs of structure identical DC coils, two iron core columns of the closed loop iron core are separately mounted to
On, each pair DC coil is constituted by the DC coil of a DC coil without tap and an only tap；There is no tap
Two DC coils Same Name of Ends connection, different name end connects the Same Name of Ends for the DC coil for having tap in another iron core column respectively,
One have tap DC coil different name end by reverse IGCT and another DC coil for having a tap tap company
Connect, another has different name end of the DC coil of tap taking out by a positive IGCT and the previous DC coil for having a tap
Head connection；
The control end connection control circuit of two IGCT, control circuit controls the size at two IGBT group angles；Continuously
The size of two DC coil DC currents is adjusted, continuously adjusting for saturable reactor reactance value is realized.
This kind of Multifunction transformer DC coil has the two DC coil electric currents generation pair on four, but same iron core column
Hit, so that the transient state for the effectively shortening direct current flux corresponding time, further improves the performance of saturable reactor part.
The primary winding of the transformer is made up of four AC coils, each AC coil equal turn numbers, is separately mounted to
In two iron core columns of the closed loop iron core；Two AC coils forward direction series connection in different iron core columns forms two AC coil strings,
Then two AC coil connection in series-parallel form primary winding.
In the primary winding, fly-wheel diode of being connected between two AC coils at least one iron core column, is AC line
Higher hamonic wave provides rectification passage in circle.The setting of the fly-wheel diode, can for each AC coil on Multifunction transformer with
DC coil provides the balance of voltage, so as to improve the performance of Multifunction transformer.
The secondary coil of the transformer is positive by a pair of AC coils in two iron core columns of the closed loop iron core
Concatenation is constituted；Each AC coil equal turn numbers.
The turn ratio δ of the tap of two DC coils for having a tap is equal, and smaller than 1/3.
It is described when control circuit control two IGCT full cut-ofves when, the rectification circuit of two IGCTs does not work, each AC line
The DC current of circle is equal to zero, and transformer primary winding has maximum reactance value Zmax；
When each IGCT of control circuit control is turned on entirely, the DC current for flowing through each DC coil reaches design maximum value,
Transformer primary winding has minimum reactance value Zmin.
A fly-wheel diode is connected between two DC coils in the same iron core column, is provided for higher hamonic wave in DC coil
Rectification passage.The fly-wheel diode can be that each AC coil on Multifunction transformer and DC coil provide the balance of voltage, carry
High Multifunction transformer performance.The sense of current in the same iron core column in two DC coils makes direct current on the contrary, clash
The transient response time of magnetic flux shortens.
A kind of improved Multifunction transformer of three-phase, it is using the improved Multifunction transformer described in claim 1 or 2
Constitute three-phase multifunctional transformer.
The beneficial effects of the invention are as follows：The DC coil structure of the first improved Multifunction transformer compares Fig. 1 shown in Fig. 2
The DC coil of shown Multifunction transformer is simple in construction, and performance does not decline.
The DC coil structure of second of improved Multifunction transformer is than Multifunction transformer shown in Fig. 1 shown in Fig. 3
DC coil is complicated, but the magnetic flux that second of improved Multifunction transformer DC coil is produced clashes.Head-on collision
Result the transient response time of direct current flux is had larger shortening, improve the saturable reactor mould in Multifunction transformer
The performance of block.
The higher hamonic wave rectification passage that diode D3, diode D4 are provided can improve the effect of direct current flux head-on collision, improve
Multifunction transformer performance.
Brief description of the drawings
Fig. 1 represents existing Multifunction transformer.
Fig. 2 represents the first improved Multifunction transformer.
Fig. 3 represents second of improved Multifunction transformer.
Wherein, 1. primary winding terminal I, 2. primary winding terminal IIs, 3. secondary coil terminal I, 4. secondary coil terminals
II, 5. closed loop iron cores, 6. control circuits.
Embodiment
The present invention will be further described with embodiment below in conjunction with the accompanying drawings.
Embodiment 1：
The structure and connected mode for the Multifunction transformer that CN 201510010431.0 is proposed are as shown in Figure 1.Wherein one
There are AC coil L11, AC coil L13, AC coil L15, DC coil L17 and DC coil L19, Ling Yigen in iron core column
There are AC coil L12, AC coil L14, AC coil L16, DC coil L18 and DC coil L20 in iron core column.Have four
Individual DC coil, and the number of turn of four DC coils all compares many.Therefore four DC coils can be improved, to simplify knot
Structure.
The structure of the first improved Multifunction transformer and connected mode are as shown in Figure 2.Including primary winding terminal I
1, primary winding terminal II 2, secondary coil terminal I3, secondary coil terminal II 4, closed loop iron core 5 controls circuit 6.The first changes
The closed loop iron core of the Multifunction transformer entered is identical with the closed loop iron core of existing saturable reactor.The first improved multi-functional change
At least two sectional areas of depressor closed loop iron core 5 are equal, have the iron core column of DC coil and AC coil；This two iron core columns
Each it can at least form a magnetic flux closed loop without other side's iron core column.Have in wherein one iron core column AC coil L11,
Have in AC coil L13, AC coil L15, DC coil L23, another iron core column AC coil L12, AC coil L14,
AC coil L16, DC coil L24；AC coil L11, AC coil L12, AC coil L13, the AC coil L14 number of turn
Equal, AC coil L15 and AC coil L16 equal turn numbers, DC coil L23 is identical with DC coil L24 structure, circle
Number is equal；DC coil L23 and DC coil L24 have a tap, tap to the coil turn between the coil different name end with it is whole
The ratio between coil turn is δ, and DC coil L23 is equal with the turn ratio δ of DC coil L24 taps, smaller than 1/3.
Closed loop iron core 5 can not have aisled two closed loop iron cores, such as 1 mutually：Two square shape iron cores.Can also
It is integral, mutual aisled closed loop iron core；Such as 2：Three iron core columns, iron core column two ends have yoke to connect three iron cores
Post, any two iron core columns can mutually constitute magnetic flux closed loop, but at least two each self-formings of energy are without to square iron core
The closed loop of post.Such as 3：Four iron core columns, iron core column two ends have yoke to connect four iron core columns, and any two iron core columns can
Magnetic flux closed loop is mutually constituted, but at least two each self-formings of energy are without the closed loop of other side's iron core column, as shown in Figure 2.
The positive series connections of AC coil L11 and AC coil L14 are in primary winding terminal I 1 and primary winding terminal II 2
Between, the positive series connection of AC coil L12 and AC coil L13 primary winding terminal I 1 and primary winding terminal II 2 it
Between.The positive series connections of AC coil L15 and AC coil L16 are in secondary coil terminal I3 and secondary coil terminal II 4.Primary line
Circle constitutes the transformer module in the first improved Multifunction transformer with secondary coil.
Diode D3 is also connected between AC coil L11 different names end and AC coil L13 Same Name of Ends.Diode D3 is referred to as continuing
Flow diode.Fly-wheel diode can be that each AC coil on Multifunction transformer and DC coil provide the balance of voltage；Afterflow
Diode can provide rectification passage for higher hamonic wave in AC coil on Multifunction transformer, improve Multifunction transformer performance.
Fly-wheel diode can be removed in some application scenarios.
DC coil L23 Same Name of Ends connects DC coil L24 Same Name of Ends, and DC coil L23 tap is through positive IGCT
D1 connection DC coils L24 different name end, DC coil L23 different name end is through positive IGCT D2 connection DC coils L24's
Tap.
IGCT D1 and IGCT D2 trigger terminal connect connection control circuit 6 respectively, control circuit 6 control IGCT D1 and
The size of IGCT D2 Trigger Angles, realizes the size for continuously adjusting IGCT D1 and IGCT D2 rectification flows.
If the first improved Multifunction transformer primary winding rated voltage is U1, the first improved multi-functional transformation
The system that device primary winding access rated voltage is U1.AC coil L11, AC coil L12, AC coil L13, AC line
Circle L14 has exciting current circulation, produces exchange flux in closed loop iron core 5, the exchange flux is in AC coil L15 and AC line
Induced electromotive force is produced in circle L16, if AC coil L15 is connected load, two with the AC coil L16 secondary coils constituted
Secondary coil provides load current for load.Primary winding realizes the transformation of the first improved Multifunction transformer with secondary coil
Device function.
The system that the first improved Multifunction transformer primary winding access rated voltage is U1.AC coil L11, friendship
Streamline circle L12, AC coil L13, AC coil L14 have exciting current circulation, and exchange flux is produced in closed loop iron core 5, should
Exchange flux produces AC electromotive force of inducting, IGCT D1 and IGCT D2 two ends in DC coil L23, DC coil L24
With the presence of alternating voltage.
When controlling the control IGCT D1 of circuit 6 and IGCT D2 full cut-ofves, IGCT D1 and IGCT D2 rectification circuits
Do not work, the DC current in DC coil L23 and DC coil L24 is equal to zero.The first improved Multifunction transformer one
Secondary coil has maximum reactance value Zmax.
When controlling the control of circuit 6 IGCT D1 and IGCT D2 to turn on entirely, DC coil L23 and DC coil are flowed through
L24 DC current reaches design maximum value.The first improved Multifunction transformer primary winding has minimum reactance value Zmin.
The size of the control IGCT D1 of circuit 6 and IGCT D2 rectification flows is controlled, DC coil L23 and AC line is can control
The size of DC current in L24 is enclosed, the size of the first improved Multifunction transformer primary winding reactance value is can control.Control
The continuous control IGCT D1 of circuit 6 and IGCT D2 rectification flows size, can continuous control DC coil L23 and DC coil
The size of DC current in L24, realizes continuously adjusting for the first improved Multifunction transformer primary winding reactance value, first
Improved Multifunction transformer primary winding reactance value is planted to adjust, change between the minimum and maximum.
Experiment shows that the first improved Multifunction transformer secondary coil connection is loaded, no matter load current increases, or
Person reduces, and all without the DC current size changed in DC coil L23 and DC coil L24, changes all without the first is influenceed
Saturable reactor performance in the Multifunction transformer entered.
Experiment shows that the DC current in DC coil L23 and DC coil L24 is in the range of saturable reactor demand
Change, the no-load voltage ratio on the first improved Multifunction transformer primary voltage and secondary voltage influences very little, to the first improvement
Multifunction transformer primary winding and secondary coil between leakage reactance influence be not more than 7%.
Experiment shows that the DC coil structure of the first improved Multifunction transformer is more multi-functional than shown in Fig. 1 shown in Fig. 2
The DC coil of transformer is simple in construction, and performance does not decline.
Embodiment 2：
The transient response time of Multifunction transformer shown in Fig. 1 and Multifunction transformer shown in Fig. 2 is long.The present embodiment
There is provided a kind of transient response time shorter Multifunction transformer.
The structure of second of improved Multifunction transformer and connected mode are as shown in Figure 3.Including primary winding terminal I
1, primary winding terminal II 2, secondary coil terminal I3, secondary coil terminal II 4, closed loop iron core 5 controls circuit 6.Change for second
The closed loop iron core of the Multifunction transformer entered is same as Example 1, no longer burdensome.
There are AC coil L11, AC coil L13, AC coil L15, DC coil L21 and straight in wherein one iron core column
There are AC coil L12, AC coil L14, AC coil L16, DC coil L22 and straight in streamline circle L23, another iron core column
Streamline circle L24；AC coil L11, AC coil L12, AC coil L13, AC coil L14 equal turn numbers, AC coil
L15 and AC coil L16 equal turn numbers；DC coil L21 is identical with DC coil L22 structure, equal turn numbers, AC line
Enclose L23 identical with DC coil L24 structure, equal turn numbers；DC coil L23 and DC coil L24 has tap, tap to line
The ratio between coil turn and whole coil turn for enclosing between different name end are δ, DC coil L23 and the circle of DC coil L24 taps
Number is more equal than δ, and smaller than 1/3.
The connected mode of second of improved Multifunction transformer AC coil is same as Example 1, no longer burdensome.
DC coil L21 Same Name of Ends connects DC coil L22 Same Name of Ends, DC coil L21 different names end connection DC coil
L24 Same Name of Ends, DC coil L22 different names end connection DC coil L23 Same Name of Ends, DC coil L23 tap is through positive brilliant lock
Pipe D1 connection DC coils L24 different name end, DC coil L23 different name end is through positive IGCT D2 connection DC coils L24
Tap.
IGCT D1 and IGCT D2 trigger terminal connect connection control circuit 6 respectively, control circuit 6 control IGCT D1 and
The size of IGCT D2 Trigger Angles, realizes the size for continuously adjusting IGCT D1 and IGCT D2 rectification flows.
Diode D4 is also connected between DC coil L21 different names end and DC coil L23 Same Name of Ends.Diode D4 is also referred to as
Fly-wheel diode.Fly-wheel diode can be that each AC coil on Multifunction transformer and DC coil provide the balance of voltage；It is continuous
Stream diode can provide rectification passage for higher hamonic wave in DC coil on Multifunction transformer, improve Multifunction transformer
Energy.Fly-wheel diode can be removed in some application scenarios.
The system that second of improved Multifunction transformer primary winding access rated voltage is U1.AC coil L11, friendship
Streamline circle L12, AC coil L13, AC coil L14 have exciting current circulation, and exchange flux is produced in closed loop iron core 5, should
Exchange flux is in DC coil L21, DC coil L22, DC coil L23, and induced electromotive force is produced in DC coil L24, brilliant
Brake tube D1 and IGCT D2 two ends are with the presence of alternating voltage.
When controlling the control IGCT D1 of circuit 6 and IGCT D2 full cut-ofves, IGCT D1 and IGCT D2 rectification circuits
Do not work, DC coil L21, DC coil L22, the DC current in DC coil L23 and DC coil L24 are equal to zero.The
Two kinds of improved Multifunction transformer primary windings have maximum reactance value Zmax.
When controlling the control of circuit 6 IGCT D1 and IGCT D2 to turn on entirely, DC coil L21, DC coil are flowed through
L22, DC coil L23 and DC coil L24 DC current reach design maximum value.Second of improved Multifunction transformer
Primary winding has minimum reactance value Zmin.
The size of the control IGCT D1 of circuit 6 and IGCT D2 rectification flows is controlled, DC coil L21, AC line is can control
The size of DC current in L22, DC coil L23 and DC coil L24 is enclosed, second of improved Multifunction transformer is can control
The size of primary winding reactance value.The size of the continuous control IGCT D1 of circuit 6 and IGCT D2 rectification flows is controlled, can continuously be controlled
The size of DC current, is realized second in DC coil L21 processed, DC coil L22, DC coil L23 and DC coil L24
Improved Multifunction transformer primary winding reactance value is continuously adjusted, second of improved Multifunction transformer primary winding electricity
Anti- value is adjusted, changed between the minimum and maximum.
DC coil L24, DC coil L21 direct current direction upward；DC coil L22, DC coil L23 direct current side
To down；DC current forms loop in DC coil L24, DC coil L21, DC coil L22, DC coil L23.Directly
Streamline circle L21 and DC coil L23 is in same iron core column, the direct current flux side that DC coil L21 and DC coil L23 is produced
To conversely clashing.DC coil L22 and DC coil L24 is in same iron core column, DC coil L22 and DC coil
The direct current flux that L24 is produced clashes in the opposite direction.Experiment shows：The result of head-on collision makes the transient response time of direct current flux
Shorten.
Experiment shows that the DC coil L21 and DC coil L23 direct current fluxes produced clash, DC coil L22 with
The direct current flux that DC coil L24 is produced is clashed, and the higher hamonic wave rectification passage that diode D3, diode D4 are provided can be carried
The effect of high direct current flux head-on collision, improves second of improved Multifunction transformer performance.
The part of embodiment 2 and the general character of embodiment 1, it is no longer burdensome.
The Multifunction transformer of a modification of the present invention can be manufactured and designed with prior art, can be realized completely.Have wide
Wealthy application prospect.
Claims (7)
1. a kind of improved Multifunction transformer, it is characterized in that, it includes the saturable reactor being arranged on same closed loop iron core
And transformer；Wherein,
The transformer is made up of primary winding and secondary coil；
The saturable reactor common transformer primary winding, saturable reactor remainder is not connected to transformer coil, and not
Access power system；Including a pair of structure identical DC coils, it is separately mounted in two iron core columns of the closed loop iron core；Institute
Stating each DC coil has tap；The Same Name of Ends connection of two DC coils, the different name end of a DC coil is reverse by one
IGCT is connected with the tap of another DC coil, the different name end of another DC coil by a positive IGCT with it is previous
The tap connection of DC coil；
The control end connection control circuit of two IGCT, control circuit controls the size at two IGBT group angles；Continuously adjust
The size of two DC coil DC currents, realizes continuously adjusting for saturable reactor reactance value.
2. a kind of improved Multifunction transformer as claimed in claim 1, it is characterized in that, the primary winding of the transformer by
Four AC coil compositions, each AC coil equal turn numbers are separately mounted in two iron core columns of the closed loop iron core；Different iron
Two AC coils forward direction series connection on stem forms two AC coil strings, and then two AC coil connection in series-parallel form primary line
Circle.
3. a kind of improved Multifunction transformer as claimed in claim 2, it is characterized in that, in the primary winding, at least one
Connected between two AC coils in individual iron core column fly-wheel diode, rectification passage is provided for higher hamonic wave in AC coil.
4. a kind of improved Multifunction transformer as claimed in claim 1, it is characterized in that, the secondary coil of the transformer by
A pair of AC coils forward direction concatenation in two iron core columns of the closed loop iron core is constituted；Each AC coil equal turn numbers.
5. a kind of improved Multifunction transformer as claimed in claim 1, it is characterized in that, two DC coils for having a tap
Tap turn ratio δ it is equal, smaller than 1/3.
6. a kind of improved Multifunction transformer as claimed in claim 1, it is characterized in that, when control circuit controls two IGCTs
During full cut-off, the rectification circuit of two IGCTs does not work, and the DC current of each DC coil is equal to zero, and transformer primary winding has
Maximum reactance value Zmax；
When each IGCT of control circuit control is turned on entirely, the DC current for flowing through each DC coil reaches design maximum value, transformation
Device primary winding has minimum reactance value Zmin.
7. a kind of improved Multifunction transformer of three-phase, it is characterized in that, it is using the improved multi-functional change described in claim 1
Depressor constitutes three-phase multifunctional transformer.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510467899.2A CN105141140B (en) | 2015-07-31 | 2015-07-31 | A kind of improved Multifunction transformer |
| PCT/CN2016/090643 WO2017020709A1 (en) | 2015-07-31 | 2016-07-20 | Improved multifunctional transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510467899.2A CN105141140B (en) | 2015-07-31 | 2015-07-31 | A kind of improved Multifunction transformer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105141140A CN105141140A (en) | 2015-12-09 |
| CN105141140B true CN105141140B (en) | 2017-09-26 |
Family
ID=54726389
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510467899.2A Expired - Fee Related CN105141140B (en) | 2015-07-31 | 2015-07-31 | A kind of improved Multifunction transformer |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN105141140B (en) |
| WO (1) | WO2017020709A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105141140B (en) * | 2015-07-31 | 2017-09-26 | 山东大学 | A kind of improved Multifunction transformer |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201146386Y (en) * | 2008-01-21 | 2008-11-05 | 丹东欣泰电气股份有限公司 | Magnetic valve type continuation adjustable arc-suppression coil |
| CN202019199U (en) * | 2011-05-18 | 2011-10-26 | 合肥华威自动化有限公司 | Magnetic control reactor combined by windings wound in different directions |
| CN104078199A (en) * | 2014-07-23 | 2014-10-01 | 山东大学 | Device for improving performance of direct-current saturable reactor and method of device |
| CN104485824A (en) * | 2015-01-08 | 2015-04-01 | 山东大学 | Multifunctional transformer with isolated magnetic control |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI378478B (en) * | 2007-01-09 | 2012-12-01 | Mitsubishi Electric Corp | Reactor-jointed transformer |
| CN104201903B (en) * | 2014-09-11 | 2016-08-31 | 山东大学 | A kind of Multifunction transformer |
| CN105141140B (en) * | 2015-07-31 | 2017-09-26 | 山东大学 | A kind of improved Multifunction transformer |
-
2015
- 2015-07-31 CN CN201510467899.2A patent/CN105141140B/en not_active Expired - Fee Related
-
2016
- 2016-07-20 WO PCT/CN2016/090643 patent/WO2017020709A1/en active Application Filing
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201146386Y (en) * | 2008-01-21 | 2008-11-05 | 丹东欣泰电气股份有限公司 | Magnetic valve type continuation adjustable arc-suppression coil |
| CN202019199U (en) * | 2011-05-18 | 2011-10-26 | 合肥华威自动化有限公司 | Magnetic control reactor combined by windings wound in different directions |
| CN104078199A (en) * | 2014-07-23 | 2014-10-01 | 山东大学 | Device for improving performance of direct-current saturable reactor and method of device |
| CN104485824A (en) * | 2015-01-08 | 2015-04-01 | 山东大学 | Multifunctional transformer with isolated magnetic control |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105141140A (en) | 2015-12-09 |
| WO2017020709A1 (en) | 2017-02-09 |
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