CN203118748U - Novel transformer and novel transformer operation system - Google Patents
Novel transformer and novel transformer operation system Download PDFInfo
- Publication number
- CN203118748U CN203118748U CN 201320019482 CN201320019482U CN203118748U CN 203118748 U CN203118748 U CN 203118748U CN 201320019482 CN201320019482 CN 201320019482 CN 201320019482 U CN201320019482 U CN 201320019482U CN 203118748 U CN203118748 U CN 203118748U
- Authority
- CN
- China
- Prior art keywords
- transformer
- novel
- novel transformer
- operational system
- sinusoidal filter
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Coils Or Transformers For Communication (AREA)
Abstract
The utility model relates to the technical field of power electronics, and provides a novel transformer and a novel transformer operation system. The novel transformer comprises a first transformer and a second transformer which is in series connection with the first transformer, and the tail end of a first transformer winding is connected with the head end of a second transformer winding. According to the novel transformer and the novel transformer operation system, a primary-side and secondary-side series expansion mode of the transformer is adopted, two three-phase transformers are connected in series to form one transformer through a primary-side transformer winding and a secondary-side transformer winding, at least six wiring taps are arranged on the primary side and the secondary side of the transformer to achieve a series mode, the novel transformer and the novel transformer operation system are applied to special application occasions to solve the problems that a single transformer can not meet the power requirements, and the transformer needs to be expanded to meet the requirements of a high-power level.
Description
Technical field
The utility model relates to electric and electronic technical field, in particular, relates to a kind of novel transformer and novel transformer operational system.
Background technology
At present, the dilatation way of frequency converter generally has three kinds: first kind is IGBT parallel extended (needing the personnel of producer to research and develop design); Second kind is power cell formula parallel connection (needing the personnel of producer that drive plate interface in parallel is provided); The third is reactor or transformer dilatation (only the output waveform that needs every unit to send the phase place unanimity synchronously gets final product).And for transformer, its dilatation way generally is to adopt former and deputy limit parallel way in power industry, but because frequency converter is output as the high-frequency PWM voltage waveform, two this parallel waies of transformer are connected to inverter output terminal, the current imbalance that the difference of inductance parameters will cause two transformers to bear.Because the parameter discrete of transformer causes equal flow problem easily, causes the output current imbalance of frequency converter.This parallel way when some particular application, because separate unit can't satisfy power requirement, in the time of need carrying out dilatation to transformer, can't realize the requirement of more high-power grade.
Therefore, provide a kind of novel transformer and novel transformer operational system, under particular application, separate unit solves owing to can't satisfy power requirement, in the time of need carrying out dilatation to transformer, can't realize the requirement of more high-power grade, be those skilled in the art's problem demanding prompt solutions.
The utility model content
In view of this, the utility model provides a kind of novel transformer, under particular application, solves because separate unit can't satisfy power requirement, in the time of need carrying out dilatation to transformer, can't realize the problem of the requirement of more high-power grade.
For achieving the above object, the utility model provides following technical scheme:
A kind of novel transformer comprises: first transformer and second transformer of connecting with described first transformer, wherein, the end of described first Transformer Winding links to each other with the head end of described second Transformer Winding.
Preferably, the former and deputy limit of described novel transformer is Y-connection.
Preferably, the voltage ratio of described first transformer and described second transformer is identical, joint group is identical and the short-circuit impedance perunit value equates.
Preferably, described novel transformer is provided with six wiring taps.
The utility model is on the basis of above-mentioned disclosed a kind of novel transformer, a kind of novel transformer operational system is also disclosed, comprise: interconnective pulse transformer, frequency converter assembly, sinusoidal filter assembly and as above-mentioned each described novel transformer, wherein, described novel transformer comprises first transformer and second transformer of mutual series connection, and the end of described first Transformer Winding links to each other with the head end of described second Transformer Winding.
Preferably, described novel transformer operational system also comprises:
First incoming line cabinet and second incoming line cabinet, wherein, the output of described first incoming line cabinet links to each other with the input of described pulse transformer, the output of described pulse transformer with the input of described second incoming line cabinet link to each other, the output of described second incoming line cabinet links to each other with described frequency converter assembly.
Preferably, described frequency converter assembly comprises that four station symbols are furnished with the frequency converter of CAN communication card, and wherein, per two continuous frequency converters constitute one group.
Preferably, described sinusoidal filter assembly comprises first sinusoidal filter and second sinusoidal filter, wherein, described first sinusoidal filter and described second sinusoidal filter respectively with described frequency converter assembly in one group link to each other, and the output of described first sinusoidal filter and described second sinusoidal filter all links to each other with described novel transformer.
Preferably, the former and deputy limit of described novel transformer is Y-connection.
Preferably, described pulse transformer is 12 pulse transformers.
Via above-mentioned technical scheme as can be known, compared with prior art, the utility model openly provides a kind of novel transformer and novel transformer operational system, this novel transformer comprises: first transformer and second transformer of connecting with described first transformer, the end of described first Transformer Winding links to each other with the head end of described second Transformer Winding.The utility model is the mode of the former secondary series connection of transformer dilatation, two three-phase transformers are connected into a transformer by former limit and secondary transformer windings in series, and reserve six wiring taps at least at the former secondary of transformer and realize series system, under particular application, separate unit solves owing to can't satisfy power requirement, in the time of need carrying out dilatation to transformer, realize the requirement of more high-power grade.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is embodiment of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to the accompanying drawing that provides.
Fig. 1 is the syndeton schematic diagram of the disclosed a kind of novel transformer of the utility model embodiment;
Fig. 2 is the disclosed a kind of novel transformer operational system structural representation of the utility model embodiment.
Embodiment
Below in conjunction with the accompanying drawing among the utility model embodiment, the technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that obtains under the creative work prerequisite, all belong to the scope of the utility model protection.
The utility model openly provides a kind of novel transformer and novel transformer operational system, this novel transformer comprises: first transformer and second transformer of connecting with first transformer, the end of first Transformer Winding links to each other with the head end of second Transformer Winding.The utility model is the mode of the former secondary series connection of transformer dilatation, two three-phase transformers are connected into a transformer by former limit and secondary transformer windings in series, and reserve six wiring taps at least at the former secondary of transformer and realize series system, under particular application, separate unit solves owing to can't satisfy power requirement, in the time of need carrying out dilatation to transformer, realize the requirement of more high-power grade.
See also accompanying drawing 1, be the syndeton schematic diagram of the disclosed a kind of novel transformer of the utility model embodiment.The utility model embodiment discloses a kind of novel transformer, this novel transformer concrete structure comprises: the first transformer 1# and the second transformer 2# that connects with the first transformer 1#, the end of the first transformer 1# winding links to each other with the head end of the second transformer 2# winding.The first transformer 1# and the second transformer 2# are independent two transformers, Y-connection is adopted on its former and deputy limit, the end of a Transformer Winding is linked to each other with the head end of another Transformer Winding, form the novel transformer 3# that the utility model will provide, Y-connection is adopted on its former and deputy limit, as shown in Figure 1.
Foregoing description be the first transformer 1# and the second transformer 2# for all being Y-connection, also be Y-connection by the novel transformer 3# that is composed in series, be the disclosed a kind of embodiment of the utility model, to those skilled in the art, can associate: the described first transformer 1# also can be that dihedral is connected with the second transformer 2#, also can one of them connect for dihedral, one is Y-connection, also can connect for dihedral by the novel transformer 3# that is composed in series.
The first transformer 1# realizes that with the second transformer 2# condition of series connection is: voltage ratio is identical, joint group is identical and the short-circuit impedance perunit value equates.
Preferably, need customize this type of novel transformer 3# when practical application, namely the former and deputy limit of novel transformer 3# need be reserved six wiring taps at least and could realize above-mentioned this series system.
The utility model is the mode of the former secondary series connection of transformer dilatation, two three-phase transformers are connected into a novel transformer by former limit and secondary transformer windings in series, and reserve six wiring taps at least on the former and deputy limit of novel transformer and realize series system, under particular application, separate unit solves owing to can't satisfy power requirement, in the time of need carrying out dilatation to transformer, realize the requirement of more high-power grade.
On the basis of above-mentioned disclosed a kind of novel transformer, the invention also discloses a kind of novel transformer operational system, see also accompanying drawing 2, be the disclosed a kind of novel transformer operational system structural representation of this utility model embodiment.This novel transformer operational system comprises: interconnective pulse transformer, frequency converter assembly, sinusoidal filter assembly and novel transformer described above, wherein, novel transformer comprises first transformer and second transformer of mutual series connection, and the end of first Transformer Winding links to each other with the head end of second Transformer Winding.
Preferably, the novel transformer operational system also comprises: first incoming line cabinet and second incoming line cabinet, wherein, the output of first incoming line cabinet links to each other with the input of pulse transformer, the output of pulse transformer links to each other with the input of second incoming line cabinet, and the output of second incoming line cabinet links to each other with frequency converter assembly.
Preferably, frequency converter assembly comprises that four station symbols are furnished with the frequency converter of CAN communication card, and wherein, per two continuous frequency converters constitute one group.The sinusoidal filter assembly comprises first sinusoidal filter and second sinusoidal filter, wherein, first sinusoidal filter and second sinusoidal filter respectively with frequency converter assembly in one group link to each other, and the output of first sinusoidal filter and second sinusoidal filter all links to each other with novel transformer.
Specifically as shown in Figure 2, above-mentioned frequency converter can be the 710KW frequency converter, components and parts and CAN address card shown in as shown in FIG. the 710KW frequency converter internal electric figure on its standard configuration.Its pulse transformer is specifically as follows 12 pulse transformers.
Wherein, per two 710KW frequency converters compose in parallel one group of 1.42MW frequency converter and are used for driving a 1.25MW motor, shown in the dotted line among Fig. 2.When the novel transformer operational system that needs the utility model to provide drives the 2.5MW motor, two groups of 1.42MW frequency converters are connected to form frequency converter assembly by the CAN communication modes, after adopting principal and subordinate's control and the former secondary by two transformers of series connection (i.e. first transformer and second transformer) with the expansion capacity, need manual elder generation that six taps of these two transformers are changed the modes of connection with the formation novel transformer, and make this novel transformer finally can drive the 2.5MW motor.Can reach the effect of rationally efficiently utilizing resource like this, in addition, in the disclosed novel transformer operational system of the utility model, must use sinusoidal filter, could transformer be boosted normal reliable, because the voltage harmonic that is output as high frequency square wave for voltage transducer is very big, use the common transformer can't operate as normal.
Foregoing description all be the components and parts of the disclosed respective model of the utility model embodiment, to those skilled in the art, can be according to the disclosed content of the utility model, can adopt the components and parts of other models can replace the disclosed components and parts of embodiment, realize the beneficial effect that the utility model will reach.
In sum, the utility model openly provides a kind of novel transformer and novel transformer operational system, this novel transformer comprises: first transformer and second transformer of connecting with first transformer, the end of first Transformer Winding links to each other with the head end of second Transformer Winding.The utility model is the mode of the former secondary series connection of transformer dilatation, two three-phase transformers are connected into a novel transformer by former limit and secondary transformer windings in series, and reserve six wiring taps at least at the former secondary of transformer and realize series system, under particular application, separate unit solves owing to can't satisfy power requirement, in the time of need carrying out dilatation to transformer, realize the requirement of more high-power grade.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the utility model.Multiple modification to these embodiment will be apparent concerning those skilled in the art, and defined General Principle can realize under the situation that does not break away from spirit or scope of the present utility model in other embodiments herein.Therefore, the utility model will can not be restricted to these embodiment shown in this article, but will meet the wideest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. a novel transformer is characterized in that, described novel transformer comprises: first transformer and second transformer of connecting with described first transformer, wherein, the end of described first Transformer Winding links to each other with the head end of described second Transformer Winding.
2. novel transformer according to claim 1 is characterized in that, the former and deputy limit of described novel transformer is Y-connection.
3. novel transformer according to claim 1 is characterized in that, the voltage ratio of described first transformer and described second transformer is identical, joint group is identical and the short-circuit impedance perunit value equates.
4. novel transformer according to claim 1 is characterized in that, described novel transformer is provided with six wiring taps.
5. novel transformer operational system, it is characterized in that, described novel transformer operational system comprises: interconnective pulse transformer, frequency converter assembly, sinusoidal filter assembly and as each described novel transformer of claim 1-4, wherein, described novel transformer comprises first transformer and second transformer of mutual series connection, and the end of described first Transformer Winding links to each other with the head end of described second Transformer Winding.
6. novel transformer operational system according to claim 5 is characterized in that, also comprises:
First incoming line cabinet and second incoming line cabinet, wherein, the output of described first incoming line cabinet links to each other with the input of described pulse transformer, and the output of described pulse transformer links to each other with the input of described second incoming line cabinet, and the output of described second incoming line cabinet links to each other with described frequency converter assembly.
7. novel transformer operational system according to claim 5 is characterized in that, described frequency converter assembly comprises that four station symbols are furnished with the frequency converter of CAN communication card, and wherein, per two continuous frequency converters constitute one group.
8. novel transformer operational system according to claim 7, it is characterized in that, described sinusoidal filter assembly comprises first sinusoidal filter and second sinusoidal filter, wherein, described first sinusoidal filter and described second sinusoidal filter respectively with described frequency converter assembly in one group link to each other, and the output of described first sinusoidal filter and described second sinusoidal filter all links to each other with described novel transformer.
9. novel transformer operational system according to claim 5 is characterized in that, the former and deputy limit of described novel transformer is Y-connection.
10. novel transformer operational system according to claim 5 is characterized in that, described pulse transformer is 12 pulse transformers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320019482 CN203118748U (en) | 2013-01-15 | 2013-01-15 | Novel transformer and novel transformer operation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320019482 CN203118748U (en) | 2013-01-15 | 2013-01-15 | Novel transformer and novel transformer operation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203118748U true CN203118748U (en) | 2013-08-07 |
Family
ID=48899071
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320019482 Expired - Fee Related CN203118748U (en) | 2013-01-15 | 2013-01-15 | Novel transformer and novel transformer operation system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203118748U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104184335A (en) * | 2014-09-11 | 2014-12-03 | 山东大学 | Multifunctional transformer with double transformer bodies connected in series |
| CN104660088A (en) * | 2015-03-04 | 2015-05-27 | 王曙光 | Variable-frequency inverter system for photovoltaic power generation |
| CN106160544A (en) * | 2016-07-03 | 2016-11-23 | 衢州昀睿工业设计有限公司 | The power output circuit of multiple transformers series connection |
| CN107591240A (en) * | 2017-09-19 | 2018-01-16 | 滁州博杰科技有限公司 | A kind of elevator emergency power supply three-phase transformer |
-
2013
- 2013-01-15 CN CN 201320019482 patent/CN203118748U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104184335A (en) * | 2014-09-11 | 2014-12-03 | 山东大学 | Multifunctional transformer with double transformer bodies connected in series |
| CN104660088A (en) * | 2015-03-04 | 2015-05-27 | 王曙光 | Variable-frequency inverter system for photovoltaic power generation |
| CN106160544A (en) * | 2016-07-03 | 2016-11-23 | 衢州昀睿工业设计有限公司 | The power output circuit of multiple transformers series connection |
| CN107591240A (en) * | 2017-09-19 | 2018-01-16 | 滁州博杰科技有限公司 | A kind of elevator emergency power supply three-phase transformer |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102301574B (en) | PFC convertor and pfc conversion device | |
| CN102377324B (en) | Converter bridge arm suitable for high-voltage applications and application system thereof | |
| CN100499343C (en) | AC-AC three level AC-AC converter based on positive converter | |
| CN100521506C (en) | Multi-level frequency conversion driving apparatus with energy conservation unit | |
| CN100452641C (en) | Clamping five level variable frequency driving device utilizing internal and external ring double-group rectifier bridge | |
| CN101295936B (en) | Exterior feeding control power supply of high voltage frequency convertor power unit | |
| CN203118748U (en) | Novel transformer and novel transformer operation system | |
| CN103269171A (en) | Large-power cascading diode H bridge unit power factor rectifier | |
| CN102638176A (en) | Hybrid cascade multilevel electronic power transformer | |
| CN201018419Y (en) | Multi-level frequency conversion driving apparatus with energy conservation unit | |
| CN107800299A (en) | Modularized dc transformation system and its control method based on MMC high frequency conversions | |
| CN101574935A (en) | Module combined power quality conditioning system for tractive power supply network | |
| CN101459385B (en) | Hybrid type current transformer device | |
| CN204392098U (en) | A kind of Monophase electric power electronic transformer and application system thereof | |
| CN104135164A (en) | Interleaved parallel multi-level electronic power transformer | |
| CN102064722B (en) | Single-stage alternating current/direct current converter | |
| CN203104360U (en) | A high-voltage frequency converter with a common DC bus | |
| CN209283122U (en) | A kind of two-way ac-dc conversion circuit | |
| CN201639488U (en) | Novel high-frequency AC-AC conversion unit | |
| CN201332382Y (en) | Back-to-back type unit series connection multilevel structure high-voltage transformer | |
| CN204131408U (en) | A kind of MMC type commutator transformer based on multi winding transformer coupling | |
| CN203278664U (en) | Three-level explosion-proof frequency converter | |
| CN103872940A (en) | Bi-directional converting topology | |
| CN205829470U (en) | A kind of three-phase tri-level Buck type AC AC changer | |
| CN201976018U (en) | Power electronic rectifier transformer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Suzhou INVT Electric Equipment Co. Ltd. Assignor: Shenzhen Yingweiteng Electric Co., Ltd. Contract record no.: 2014440020065 Denomination of utility model: Novel transformer and novel transformer operation system Granted publication date: 20130807 License type: Exclusive License Record date: 20140226 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| EC01 | Cancellation of recordation of patent licensing contract |
Assignee: Suzhou INVT Electric Equipment Co. Ltd. Assignor: Shenzhen Yingweiteng Electric Co., Ltd. Contract record no.: 2014440020065 Date of cancellation: 20150330 |
|
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: INVT POWRE ELECTRONICS (SUZHOU) CO., LTD. Assignor: Shenzhen Yingweiteng Electric Co., Ltd. Contract record no.: 2015440020101 Denomination of utility model: Novel transformer and novel transformer operation system Granted publication date: 20130807 License type: Exclusive License Record date: 20150330 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130807 Termination date: 20210115 |