CN104362869A - Circuit connection wire capable of simultaneously outputting two types of direct current voltages - Google Patents
Circuit connection wire capable of simultaneously outputting two types of direct current voltages Download PDFInfo
- Publication number
- CN104362869A CN104362869A CN201410602779.4A CN201410602779A CN104362869A CN 104362869 A CN104362869 A CN 104362869A CN 201410602779 A CN201410602779 A CN 201410602779A CN 104362869 A CN104362869 A CN 104362869A
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- China
- Prior art keywords
- rectifier
- circuit connection
- types
- direct current
- phase bridge
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Classifications
-
- 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
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/02—Conversion of ac power input into dc power output without possibility of reversal
- H02M7/04—Conversion of ac power input into dc power output without possibility of reversal by static converters
-
- 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
- H02M1/00—Details of apparatus for conversion
- H02M1/0083—Converters characterised by their input or output configuration
- H02M1/009—Converters characterised by their input or output configuration having two or more independently controlled outputs
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Rectifiers (AREA)
Abstract
The invention discloses a circuit connection wire capable of simultaneously outputting two types of direct current voltages. The circuit connection wire capable of simultaneously outputting the two types of the direct current voltages is located among a rectifier transformer and current rectifiers A and B, and is characterized in that the rectifier transformer is provided with two secondary windings, the current rectifier A is provided with two three-phase bridge rectification circuits which are connected in series, the two three-phase bridge rectification circuits are respectively connected with the two secondary windings in the rectifier transformer, the current rectifier B is provided with two three-phase bridge rectification circuits which are connected in parallel, and input access points of the two three-phase bridge rectification circuits which are connected in parallel are connected with an arbitrary secondary winding in the rectifier transformer. The circuit connection wire capable of simultaneously outputting the two types of the direct current voltages is characterized by using the rectifier transformer to simultaneously output two types of the direct current voltages which are respectively 1500V and 750V, providing design reference for a trial run base which needs to achieve the function of simultaneously outputting the two types of the direct current voltages, and reduces device investment.
Description
Technical field
The invention belongs to rectifier transformer technical field, be specifically related to the circuit connection that simultaneously can export two kinds of direct voltages between a kind of rectifier transformer and rectifier.
Background technology
Along with the fast development of domestic and international urban track traffic, direct current 1500V and direct current 750V two is large, and power supply system becomes main flow, just can reach the standard grade after its corresponding vehicle has also needed test run mass production and supply.Current domestic each DC traction substation is a kind of voltage form and exports, and be 1500V or 750V, or a set of Rectification Power Factor can realize the output of two kinds of electric pressures, but can not run simultaneously, need carry out back brake operation, form the output of different voltage.And greatly developing along with track traffic, the test run base of simultaneously carrying out 1500V and 750V test run or upkeep operation exists in a large number, and or need utilize existing facility in limited place, ensureing to export 1500V, also to export the requirement of 750V also more and more urgent.
Summary of the invention
The object of the invention is according to above-mentioned the deficiencies in the prior art part, a kind of circuit connection that simultaneously can export two kinds of direct voltages is provided, this circuit connection carries out series and parallel by two secondary winding in rectifier transformer, and pass through the series and parallel of three-phase bridge rectifier circuit in two rectifiers, realize the object that a set of Rectification Power Factor exports two kinds of direct voltages simultaneously.
The object of the invention realizes being completed by following technical scheme:
A kind of circuit connection that simultaneously can export two kinds of direct voltages, described circuit connection is positioned at rectifier transformer and between rectifier A, B, it is characterized in that there are in described rectifier transformer two secondary winding, have the three-phase bridge rectifier circuit of two series connection in described rectifier A, two described three-phase bridge rectifier circuits are connected with the secondary winding of two in described rectifier transformer respectively; Have two three-phase bridge rectifier circuits in parallel in described rectifier B, the input access point of described two three-phase bridge rectifier circuits in parallel is connected with secondary winding described in any one in described rectifier transformer.
In two described secondary winding, one of them adopts star connection, and another adopts delta connection.
The voltage of the exportable 750V of described secondary winding.
Advantage of the present invention is, utilizes a set of Rectification Power Factor to realize the output of 1500V and 750V two kinds of direct voltages simultaneously, for needing the test run substrate reaching this function to provide design considerations, and reduces equipment investment.
Accompanying drawing explanation
Fig. 1 is the circuit connection schematic diagram I in the present invention;
Fig. 2 is the circuit connection schematic diagram II in the present invention.
Embodiment
Feature of the present invention and other correlated characteristic are described in further detail by embodiment below in conjunction with accompanying drawing, so that the understanding of technical staff of the same trade:
Embodiment: as shown in Figure 1, the present embodiment is specifically related to a kind of circuit connection that simultaneously can export two kinds of direct voltages, this circuit connection is at rectifier transformer and between two rectifiers A, B, wherein rectifier A is used for the direct voltage outwards exporting 1500V, and rectifier B is used for the direct voltage outwards exporting 750V.
As shown in Figure 1, have two secondary winding in rectifier transformer, the voltage of all exportable 750V of each secondary winding, one of them secondary winding adopts star connection, and another secondary winding then adopts delta connection.
There are two three-phase bridge rectifier circuits of mutually connecting in rectifier A, two three-phase bridge rectifier circuits are connected with two secondary winding respectively, that is the 1500V output connection of rectifier A takes from two secondary winding in rectifier transformer, to form the direct voltage output of 1500V;
There are two parallel with one another three-phase bridge rectifier circuits in rectifier B, the input access point of these two three-phase bridge rectifier circuits in parallel is connected with the secondary winding of in rectifier transformer (namely get form the centre tap that 1500V exports design), that is the 750V output connection of rectifier B takes from a secondary winding in rectifier transformer, to form the direct voltage output of 750V.
In addition, the circuit connection in the present embodiment also can adopt winding diagram as shown in Figure 2.
In the present embodiment, by a set of Rectification Power Factor be made up of a rectifier transformer and two rectifiers, realizing the output of 1500V and 750V direct voltage simultaneously, for needing the test run substrate reaching this function to provide design considerations, and reducing equipment investment.
Claims (3)
1. one kind can export the circuit connection of two kinds of direct voltages simultaneously, it is characterized in that there are in described rectifier transformer two secondary winding, have the three-phase bridge rectifier circuit of two series connection in described rectifier A, two described three-phase bridge rectifier circuits are connected with the secondary winding of two in described rectifier transformer respectively; Have two three-phase bridge rectifier circuits in parallel in described rectifier B, the input access point of described two three-phase bridge rectifier circuits in parallel is connected with secondary winding described in any one in described rectifier transformer.
2. a kind of circuit connection that simultaneously can export two kinds of direct voltages according to claim 1, it is characterized in that, in two described secondary winding, one of them adopts star connection, another adopts delta connection.
3. a kind of circuit connection that simultaneously can export two kinds of direct voltages according to claim 1 and 2, is characterized in that the voltage of the exportable 750V of described secondary winding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410602779.4A CN104362869A (en) | 2014-11-02 | 2014-11-02 | Circuit connection wire capable of simultaneously outputting two types of direct current voltages |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410602779.4A CN104362869A (en) | 2014-11-02 | 2014-11-02 | Circuit connection wire capable of simultaneously outputting two types of direct current voltages |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104362869A true CN104362869A (en) | 2015-02-18 |
Family
ID=52530104
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410602779.4A Pending CN104362869A (en) | 2014-11-02 | 2014-11-02 | Circuit connection wire capable of simultaneously outputting two types of direct current voltages |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104362869A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2005121360A (en) * | 2005-07-07 | 2007-01-20 | Новосибирский государственный технический университет (RU) | THREE-PHASE CURRENT RECTIFIER |
| US20070052369A1 (en) * | 2005-08-04 | 2007-03-08 | Topower Computer Industrial Co., Ltd. | Output voltage circuit of power supply |
| CN102709950A (en) * | 2012-07-06 | 2012-10-03 | 山东新风光电子科技发展有限公司 | Large-capacity inversion grid-connected device |
| CN103078529A (en) * | 2012-12-31 | 2013-05-01 | 江苏一同环保工程技术有限公司 | High-power high-frequency high-voltage series composition rectifier transformer |
| US20130106372A1 (en) * | 2011-10-28 | 2013-05-02 | Thomas P. Sawyers | Transformer Voltage Regulation |
| CN203813684U (en) * | 2014-03-11 | 2014-09-03 | 龚秋声 | Five-core-column double-parallel three-phase full-control-bridge rectifier with freewheeling diodes at neutral points |
| CN204304804U (en) * | 2014-11-02 | 2015-04-29 | 中铁上海设计院集团有限公司 | The circuit connection of two kinds of DC voltages can be exported simultaneously |
-
2014
- 2014-11-02 CN CN201410602779.4A patent/CN104362869A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2005121360A (en) * | 2005-07-07 | 2007-01-20 | Новосибирский государственный технический университет (RU) | THREE-PHASE CURRENT RECTIFIER |
| US20070052369A1 (en) * | 2005-08-04 | 2007-03-08 | Topower Computer Industrial Co., Ltd. | Output voltage circuit of power supply |
| US20130106372A1 (en) * | 2011-10-28 | 2013-05-02 | Thomas P. Sawyers | Transformer Voltage Regulation |
| CN102709950A (en) * | 2012-07-06 | 2012-10-03 | 山东新风光电子科技发展有限公司 | Large-capacity inversion grid-connected device |
| CN103078529A (en) * | 2012-12-31 | 2013-05-01 | 江苏一同环保工程技术有限公司 | High-power high-frequency high-voltage series composition rectifier transformer |
| CN203813684U (en) * | 2014-03-11 | 2014-09-03 | 龚秋声 | Five-core-column double-parallel three-phase full-control-bridge rectifier with freewheeling diodes at neutral points |
| CN204304804U (en) * | 2014-11-02 | 2015-04-29 | 中铁上海设计院集团有限公司 | The circuit connection of two kinds of DC voltages can be exported simultaneously |
Non-Patent Citations (1)
| Title |
|---|
| 王国祥等: "《实用电子技术技能与制作》", 31 December 2008 * |
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150218 |