CN101996747A - Low-voltage Y connecting wire of triangular transformer - Google Patents
Low-voltage Y connecting wire of triangular transformer Download PDFInfo
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- CN101996747A CN101996747A CN 201010299414 CN201010299414A CN101996747A CN 101996747 A CN101996747 A CN 101996747A CN 201010299414 CN201010299414 CN 201010299414 CN 201010299414 A CN201010299414 A CN 201010299414A CN 101996747 A CN101996747 A CN 101996747A
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Abstract
The invention relates to a low-voltage Y connecting wire of a triangular transformer, wherein the tail ends x, y and z of low-voltage coils of an A phase, a B phase and a C phase adopt Y-shaped connection, connecting points are lead-out points of a zero wire o, the length of a connecting bus bar between the tail end y of the B phase and the lead-out point of the zero wire o is respectively shorter than the length of a bus bar between the tail end x of the A phase and the lead-out point of the zero wire o and the length of a bus bar between the tail end z of the C phase and the lead-out point of the zero wire o, connecting bus bars arranged at the tail end of the low-voltage coils are in a vertical placement mode, a lead wire of the head end of the B phase uses the vertical center line of the A phase and the C phase as the reference, one end connected with the coil is leftwards or rightwards folded to an angle between 30 degrees and 90 degrees, and the other end is led out along the vertical center line of the A phase and the C phase. The invention has the advantages that the connecting wire bus bars of the head ends and the tail ends of the three phases have the same total length, the cross section of the head end outlet wire of the B phase does not need to be increased, and the resistance of the three phases is in a balanced state.
Description
Technical field:
The present invention relates to a kind of low pressure Y wiring of transformer, belong to field of electrical equipment, particularly the low pressure Y connection of triangularity depressor.
Background technology:
The three-phase coil of triangularity depressor is triangularly arranged, its B phase low-voltage lead intractable, and therefore relevant producer has proposed many connection types.
A kind of form that proposes in the patent 200910115511.7 is: draw after B phase low-voltage lead is formed a semi-surrounding along the transformer side.
The another kind of form that proposes in the patent 200820189288.1 is: the low-voltage lead of B phase is crossed from the top of transformer drawn.
More than the common drawback of two kinds of schemes be: its B phase terminal is longer, for reducing its lead resistance, by increasing the lead-in wire sectional area, guarantees that three-phase low pressure goes out the balance of line resistance.
Summary of the invention:
The objective of the invention is to: propose a kind of low pressure Y connection lead-in wire form of triangularity depressor, the B phase head end lead-in wire that can solve the triangularity depressor is longer than A mutually and the C head end unbalanced problem of three-phase lead resistance that goes between and cause mutually.
Implementation method of the present invention: low-voltage coil lead-in wire all-in resistance is to be made of head end and end leads resistance, is guaranteeing under the constant situation of lead-in wire all-in resistance that B phase head end lead-in wire can remedy by the length that shortens the mutually terminal y lead-in wire of B than length; A is very short with C head end lead-in wire mutually mutually, and the terminal x and the z wire length that can increase them remedy; When the total length of the head end of each phase lead-in wire and end leads is all identical, just can realize the balance of three-phase lead resistance.
In the present invention: A phase, B adopt Y shape to be connected with terminal x, the y of C phase low-voltage coil with z mutually, and tie point is the leading point of zero line o.The mutually terminal y of B and connection busbar length between the zero line o leading point are shorter than the mutually terminal x of A respectively and are connected the busbar length between the zero line o leading point and the terminal z and the busbar length that is connected between the zero line o leading point of C phase; The connection busbar of low-voltage coil end is for vertically shelving mode.
In the present invention: A phase, B are that level is shelved mode with terminal x, the y of C phase low-voltage coil and the busbar that is connected of z mutually.
In the present invention: the connection busbar of B phase head end lead-in wire is that level is shelved, it is a benchmark with C vertical center line mutually with A mutually, an end that is connected with coil left or the angle of 30 ° one 90 ° of bendings to the right, the other end is drawn with C vertical center line direction mutually mutually along A.
The invention has the advantages that: the three-phase head end is suitable with terminal wiring busbar total length, and the mutually terminal outlet of B does not need to increase advantages such as sectional area, three-phase resistance balance yet.
Description of drawings
The terminal wiring busbar of Fig. 1 low-voltage coil vertically shelve schematic diagram
The level of the terminal wiring busbar of Fig. 2 low-voltage coil is shelved schematic diagram
Among the figure: the 1st, zero line connects busbar; The 2nd, the connection busbar of the mutually terminal x of A; The 3rd, the connection busbar of the mutually terminal y of B; The 4th, the connection busbar of the mutually terminal z of C; The 5th, upper clamping piece; The 6th, unshakable in one's determination; The 7th, C phase head end c outlet busbar; The 8th, B phase head end b outlet busbar; The 9th, A phase head end a outlet busbar.
Embodiment
Accompanying drawing discloses basic structure of the present invention without limitation, and the present invention will be further described below in conjunction with legend.
Among Fig. 1: the busbar 4 that is connected of the connection busbar 2 of zero line busbar 1, the mutually terminal x of A, the connection busbar 3 of the mutually terminal y of B and the mutually terminal z of C intersects at the o place, forms Y and connects; Schematically provide the be connected length of busbar 3 of B among the figure and be shorter than A be connected with the C length effect of busbar 4 of busbar 2 that is connected respectively; Connect busbar 1, connect busbar 2, connect busbar 3 and be connected busbar 4 for vertically shelving; 8 is B phase head end outlet busbar, an end of busbar connecting coil, to the left or bending to the right 30 ° of--90 ° angle, the head end of B phase coil and end stagger 30 °--90 ° of angle outlets, just with B mutually head end outlet busbar be connected; Also schematically provided among the figure C mutually and the head end and the end of A phase coil also staggered 30 °--90 ° of angles, just with C mutually head end outlet busbar 7 be connected with A phase head end outlet busbar 9; The position of the terminal terminal of three-phase low-voltage coil is in vertex of a triangle that three-phase coil constituted.
Fig. 2 is the schematic diagram that terminal busbar level is shelved, and to be that level is overlapping shelve the outlet busbar of mutually terminal busbar of the A that provides among the figure and zero line, and its connected mode and low-voltage coil head end are identical with terminal processing and Fig. 1 that goes out line position.
Claims (5)
1. the low pressure Y mode of connection of a triangularity depressor, the all-in resistance of low-voltage coil lead-in wire is to be made of head end and end leads resistance, it is characterized in that: guarantee under the constant situation of lead-in wire all-in resistance that B phase head end lead-in wire can remedy by the length that shortens the mutually terminal y lead-in wire of B than length; A is very short with C head end lead-in wire mutually mutually, and the terminal x and the z wire length that can increase them remedy; When the total length of the head end of each phase lead-in wire and end leads is all identical, just can realize the balance of three-phase lead resistance.
2. the low pressure Y wiring of a triangularity depressor, A phase, B adopt Y shape to be connected with terminal x, the y of C phase low-voltage coil with z mutually, tie point is the leading point of zero line o, it is characterized in that: the mutually terminal y of B and connection busbar length between the zero line o leading point are shorter than the mutually terminal x of A respectively and are connected the busbar length between the zero line o leading point and the terminal z and the busbar length that is connected between the zero line o leading point of C phase; The connection busbar of low-voltage coil end is for vertically shelving mode.
3. the low pressure Y wiring of a triangularity depressor as claimed in claim 2 is characterized in that: A phase, B are that level is shelved mode with terminal x, the y of C phase low-voltage coil and the busbar that is connected of z mutually.
4. low pressure Y wiring that requires 2 and 3 described triangularity depressors as power, it is characterized in that: the connection busbar of B phase head end lead-in wire is that level is shelved, it is a benchmark with C vertical center line mutually with A mutually, an end that is connected with coil left or 30 ° of bendings to the right--90 ° angle, the other end is drawn with C vertical center line direction mutually mutually along A.
5. the technical characterictic of three of a triangularity depressor low-voltage coils is: the head end of low-voltage coil and end stagger 30 °--90 ° angle outlet; The position of terminal terminal is in vertex of a triangle that three-phase coil constituted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102994140A CN101996747B (en) | 2010-10-08 | 2010-10-08 | Lead wire resistance balancing method of low-voltage Y connecting wire of triangular transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102994140A CN101996747B (en) | 2010-10-08 | 2010-10-08 | Lead wire resistance balancing method of low-voltage Y connecting wire of triangular transformer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101996747A true CN101996747A (en) | 2011-03-30 |
| CN101996747B CN101996747B (en) | 2012-07-25 |
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| CN2010102994140A Active CN101996747B (en) | 2010-10-08 | 2010-10-08 | Lead wire resistance balancing method of low-voltage Y connecting wire of triangular transformer |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102623149A (en) * | 2012-04-28 | 2012-08-01 | 江苏中容科技有限公司 | Low-voltage lead connecting structure of three-dimensional reel iron core dry-type transformer |
| CN103531335A (en) * | 2013-09-29 | 2014-01-22 | 四川风发电气科技有限公司 | Low-voltage lead structure of tridimensional toroidal-core transformer |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000156979A (en) * | 1998-11-19 | 2000-06-06 | Takaoka Electric Mfg Co Ltd | Transformer |
| JP2001210533A (en) * | 2000-01-21 | 2001-08-03 | Hitachi Ltd | Transformer |
| CN2938352Y (en) * | 2006-02-23 | 2007-08-22 | 南京大全变压器有限公司 | Lead structure of three-phase transformer |
| CN201199479Y (en) * | 2008-08-28 | 2009-02-25 | 广东海鸿变压器有限公司 | Down-lead structure for solid wound core dry transformer |
| CN101620924A (en) * | 2009-06-12 | 2010-01-06 | 江西大族电源科技有限公司 | Low-voltage y connecting lead structure of three-dimensional rolled iron core dry-type transformer |
| CN201820606U (en) * | 2010-10-08 | 2011-05-04 | 南京苏特电气股份有限公司 | Low-voltage Y wiring of triangular transformer |
-
2010
- 2010-10-08 CN CN2010102994140A patent/CN101996747B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000156979A (en) * | 1998-11-19 | 2000-06-06 | Takaoka Electric Mfg Co Ltd | Transformer |
| JP2001210533A (en) * | 2000-01-21 | 2001-08-03 | Hitachi Ltd | Transformer |
| CN2938352Y (en) * | 2006-02-23 | 2007-08-22 | 南京大全变压器有限公司 | Lead structure of three-phase transformer |
| CN201199479Y (en) * | 2008-08-28 | 2009-02-25 | 广东海鸿变压器有限公司 | Down-lead structure for solid wound core dry transformer |
| CN101620924A (en) * | 2009-06-12 | 2010-01-06 | 江西大族电源科技有限公司 | Low-voltage y connecting lead structure of three-dimensional rolled iron core dry-type transformer |
| CN201820606U (en) * | 2010-10-08 | 2011-05-04 | 南京苏特电气股份有限公司 | Low-voltage Y wiring of triangular transformer |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102623149A (en) * | 2012-04-28 | 2012-08-01 | 江苏中容科技有限公司 | Low-voltage lead connecting structure of three-dimensional reel iron core dry-type transformer |
| CN103531335A (en) * | 2013-09-29 | 2014-01-22 | 四川风发电气科技有限公司 | Low-voltage lead structure of tridimensional toroidal-core transformer |
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|---|---|
| CN101996747B (en) | 2012-07-25 |
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Effective date of registration: 20170829 Address after: 210000 No. 3 Hui Lan Road, Nanjing hi tech Development Zone, Pukou District, Jiangsu, Nanjing Patentee after: Nanjing Guoxin Energy Co., Ltd. Address before: LAN Hui Road high tech Industrial Development Zone, Nanjing city of Jiangsu Province, No. 3 210061 Patentee before: Nanjing Sute Electric Co., Ltd. |