CN111987595A - Three-phase split type transformer wiring device, wiring method and power transformation system - Google Patents
Three-phase split type transformer wiring device, wiring method and power transformation system Download PDFInfo
- Publication number
- CN111987595A CN111987595A CN202010820812.6A CN202010820812A CN111987595A CN 111987595 A CN111987595 A CN 111987595A CN 202010820812 A CN202010820812 A CN 202010820812A CN 111987595 A CN111987595 A CN 111987595A
- Authority
- CN
- China
- Prior art keywords
- transformer
- phase
- hard straight
- straight wire
- phase transformer
- 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.)
- Pending
Links
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/20—Bus-bar or other wiring layouts, e.g. in cubicles, in switchyards
- H02B1/207—Cross-bar layouts
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B7/00—Enclosed substations, e.g. compact substations
- H02B7/06—Distribution substations, e.g. for urban network
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Coils Of Transformers For General Uses (AREA)
Abstract
The utility model provides a split type transformer termination of three-phase, a split type transformer's of three-phase wiring method and a power transformation system, use first electric wire that connects, the second connects electric wire and the first single phase transformer that the triangle-shaped connection of third electricity wire transversely laid in order, the single phase transformer of second, the single phase transformer of third, first electric wire that connects includes first hard straight wire section, the second connects electric wire that includes the hard straight wire section of second, the third connects electric wire that includes the hard straight wire section of third, first hard straight wire section and the perpendicular layering setting of the hard straight wire section of second, first hard straight wire section and the perpendicular layering setting of hard straight wire section of third. The horizontal space that the transformer facility that has transversely laid first single-phase transformer, second single-phase transformer, the structure of third single-phase transformer occupy in order has been reduced, has reduced the transformer facility of the split type transformer structure of three-phase to the requirement of installation space.
Description
Technical Field
The invention relates to the technical field of wiring structures of three-phase split transformers, in particular to a wiring device of a three-phase split transformer, a wiring method of a split transformer and a power transformation system applying the wiring device of the three-phase split transformer.
Background
In high-voltage grade and high-capacity transformers applied in the tin union region, for example, transformers of a 500kv substation, a split type transformer is partially adopted, that is, each phase is transformed by one transformer, each transformer is a single-phase transformer, and then three single-phase transformers are connected together to form an integral three-phase transformer in a specified wiring mode. The total capacity of the three-phase split type transformer is equal to the sum of the capacities of the three single-phase transformers.
Compared with a three-phase integrated transformer, the single-phase transformer forming the three-phase split transformer is small in size and convenient to transport; however, in the whole, when the three single-phase transformers form a complete three-phase split type transformer, the volume of the transformer is larger than that of a three-phase integrated transformer. In the prior art, referring to fig. 1-2, the connection mode of the low-voltage sides of three single-phase transformers is formed by connecting three horizontally arranged buses in an angular form, and each bus forms a single-phase outgoing line contact. The transformer substation is limited by the electric clearance, and the transformer substation facility constructed in the arrangement mode occupies a large space, and the construction cost of the transformer substation can be increased when the transformer substation is limited by the geographical environment.
In the field, there are also horizontal split type transformers and vertical split type transformers, which reduce the footprint of the transformer by separating the transformer body from the heat sink and setting the relative position relationship between the transformer body and the heat sink to be horizontal arrangement or vertical arrangement. For example, patent document CN203165652U describes a vertical split type transformer, and patent document CN205104328U describes a horizontal split type heat dissipation structure of a 110kV transformer.
Disclosure of Invention
The invention aims to provide a three-phase split type transformer wiring device, a split type transformer wiring method and a power transformation system applying the three-phase split type transformer wiring device, and aims to solve the technical problem that a power transformation facility constructed by the existing three-phase split type transformer occupies a large space.
The technical scheme of the invention is as follows:
a three-phase split transformer wiring device is used for triangle-shaped connection of a first single-phase transformer, a second single-phase transformer and a third single-phase transformer which are sequentially and transversely arranged and comprises a first power connection lead, a second power connection lead and a third power connection lead, the first power connecting lead is used for electrically connecting the first single-phase transformer and the third single-phase transformer, the second power connecting lead is used for electrically connecting the first single-phase transformer and the second single-phase transformer, the third power connection lead is used for electrically connecting the second single-phase transformer and the third single-phase transformer, the first power connection lead comprises a first hard straight lead section, the second power connection lead comprises a second hard straight lead section, the third power connection lead comprises a third hard straight lead section, the first hard straight conducting wire segment and the second hard straight conducting wire segment are vertically arranged in layers, and the first hard straight conducting wire segment and the third hard straight conducting wire segment are vertically arranged in layers.
Preferably, the second hard straight wire segment and the third hard straight wire segment are respectively disposed on two sides of the second single-phase transformer, and an electrical gap is disposed between one end of the second hard straight wire segment adjacent to the second single-phase transformer and one end of the third hard straight wire segment adjacent to the second single-phase transformer.
Furthermore, the second hard straight wire section and the third hard straight wire section are arranged in a collinear manner, and the first hard straight wire section is arranged in parallel to the second hard straight wire section.
Furthermore, the first hard straight wire section, the second hard straight wire section and the third hard straight wire section are arranged in parallel in pairs, and the cross sections of the first hard straight wire section, the second hard straight wire section and the third hard straight wire section are respectively arranged on the angular points of the triangle.
Still further, the setting height of the first hard straight conductor segment is higher than that of the second hard straight conductor segment.
Preferably, the three-phase split type transformer wiring device is used for connecting three wiring terminals of a single-phase transformer with single-phase power connection voltage less than or equal to 110kV in a triangular mode.
Preferably, the first hard straight wire section, the second hard straight wire section and the third hard straight wire section are all tubular buses.
A wiring method of a three-phase split type transformer comprises a first single-phase transformer, a second single-phase transformer and a third single-phase transformer which are sequentially and transversely arranged, and comprises the following steps:
arranging a first hard straight conductor section, a second hard straight conductor section and a third hard straight conductor section on one side of the three-phase split type transformer, wherein the first hard straight conductor section and the second hard straight conductor section are vertically arranged in layers, and the first hard straight conductor section and the third hard straight conductor section are vertically arranged in layers;
electrically connecting the first hard straight wire segment with one of the wire terminals of the first single phase transformer using an 11 th single phase transformer down conductor, electrically connecting the first hard straight wire segment with one of the wire terminals of the third single phase transformer using a 32 th single phase transformer down conductor, electrically connecting the second hard straight wire segment with yet another wire terminal of the first single phase transformer using a 12 th single phase transformer down conductor, electrically connecting the second hard straight wire segment with one of the wire terminals of the second single phase transformer using a 21 st single phase transformer down conductor, electrically connecting the third hard straight wire segment with yet another wire terminal of the second single phase transformer using a 22 th single phase transformer down conductor, electrically connecting the third hard straight wire segment with yet another wire terminal of the third single phase transformer using a 31 th single phase transformer down conductor, so that the low-voltage side connection terminal or the high-voltage side connection terminal of the three-phase split type transformer are connected in a triangular mode.
The utility model provides a power transformation system, includes the split type transformer of three-phase and the split type transformer termination of aforementioned three-phase, the split type transformer of three-phase includes horizontal first single-phase transformer, second single-phase transformer, the single-phase transformer of third of laying in order, the split type transformer termination triangular connection of three-phase the low pressure side of the split type transformer of three-phase connects terminal or high pressure side and connects terminal.
Preferably, the transformer further comprises a neutral point connecting electrical conductor for electrically connecting the neutral point of the first single-phase transformer, the neutral point of the second single-phase transformer and the neutral point of the third single-phase transformer.
The invention has the beneficial effects that:
1. the invention selects the technical route for improving the wiring structure of the three-phase split type transformer to reduce the occupied space of the power transformation facilities of the three-phase split type transformer structure, overcomes the requirement of the shortest electrical gap between two adjacent hard straight wire sections by vertically arranging the first hard straight wire section and the second hard straight wire section in a layered manner and vertically arranging the first hard straight wire section and the third hard straight wire section in a layered manner, reduces the horizontal space occupied by the power transformation facilities of the first single-phase transformer, the second single-phase transformer and the third single-phase transformer which are sequentially and transversely arranged, and reduces the requirement of the power transformation facilities of the three-phase split type transformer structure on the installation space.
2. According to the invention, the second hard straight conductor section and the third hard straight conductor section are respectively arranged at two sides of the second single-phase transformer, and an electrical gap is arranged between one end of the second hard straight conductor section adjacent to the second single-phase transformer and one end of the third hard straight conductor section adjacent to the second single-phase transformer, so that the horizontal space occupied by the power transformation facilities of the first single-phase transformer, the second single-phase transformer and the third single-phase transformer which are sequentially and transversely arranged is further reduced, and the requirement of the power transformation facilities of the three-phase split type transformer on the installation space is reduced.
Drawings
Fig. 1 is a top view of a power transformation facility in a prior art three-phase split transformer configuration.
Fig. 2 is a sectional view a-a of fig. 1.
Fig. 3 is a top view of a power transformation facility constructed of a three phase split transformer of the present invention.
Fig. 4 is a sectional view B-B of fig. 3.
Reference numerals indicate 10-transformer firewall, 11-transformer room, 12-neutral conductor, 13-cable trench, 21-first single phase transformer, 22-second single phase transformer, 23-third single phase transformer, 31-first hard straight conductor segment, 32-second hard straight conductor segment, 33-third hard straight conductor segment, 211-11 th transformer down conductor, 212-12 th single phase transformer down conductor, 221-21 st transformer down conductor, 222-22 th single phase transformer down conductor, 231-31 th transformer down conductor, 232-32 nd single phase transformer down conductor.
Detailed Description
The present invention is described below in terms of embodiments in conjunction with the accompanying drawings to assist those skilled in the art in understanding and implementing the present invention. Unless otherwise indicated, the following embodiments and technical terms therein should not be understood to depart from the background of the technical knowledge in the technical field.
In the present invention, the high voltage side of the transformer is referred to relative to the side voltage side thereof, and does not refer to high voltage, medium voltage or low voltage.
The wiring device of the three-phase split type transformer is used for triangularly connecting a first single-phase transformer, a second single-phase transformer and a third single-phase transformer which are transversely arranged in sequence, and when the wiring device is used specifically, according to the single-phase power connection voltage of the wiring terminals of the single-phase transformer connected with the wiring device, the wiring terminals on the high-voltage side of the three-phase split type transformer can be triangularly connected, and also can be triangularly connected with the wiring terminals on the low-voltage side of the three-phase split type transformer, wherein the high-voltage side of the three-phase split type transformer is relative to.
According to measurement and calculation, the three-phase split type transformer wiring device is determined to be suitable for connecting three wiring terminals of a single-phase transformer with single-phase power connection voltage less than or equal to 110kV in a triangular mode. At present, the voltage grades of the domestic high-voltage side (star connection) are 220kV, 500kV, 750kV and 1000kV, and the voltage grades of the corresponding low-voltage side (triangle connection) are 10kV, 35kV, 66kV and 110kV, namely, the three-phase split type transformer connection device has a larger applicability range.
The invention discloses a three-phase split type transformer wiring device which comprises a first power connection lead, a second power connection lead and a third power connection lead, wherein the first power connection lead is used for electrically connecting a first single-phase transformer and a third single-phase transformer, the second power connection lead is used for electrically connecting the first single-phase transformer and the second single-phase transformer, the third power connection lead is used for electrically connecting the second single-phase transformer and the third single-phase transformer, the first power connection lead comprises a first hard straight lead section, the second power connection lead comprises a second hard straight lead section, the third power connection lead comprises a third hard straight lead section, the first hard straight lead section and the second hard straight lead section are vertically arranged in a layered mode, and the first hard straight lead section and the third hard straight lead section are vertically arranged in a layered mode.
In the prior art, the rigid straight conductor comprises a tubular busbar.
When the three-phase split type transformer wiring device is used, a first hard straight wire section, a second hard straight wire section and a third hard straight wire section are laid, then a 11 th single-phase transformer down lead is used for electrically connecting the first hard straight wire section and one of the wiring terminals of the first single-phase transformer, a 32 th single-phase transformer down lead is used for electrically connecting the first hard straight wire section and one of the wiring terminals of the third single-phase transformer, a 12 th single-phase transformer down lead is used for electrically connecting the second hard straight wire section and the other wiring terminal of the first single-phase transformer, a 21 st single-phase transformer down lead is used for electrically connecting the second hard straight wire section and one of the wiring terminals of the second single-phase transformer, and a 22 nd single-phase transformer down lead is used for electrically connecting the third hard straight wire section and the other wiring terminal of the second single-phase transformer, electrically connecting the third hard straight wire segment and a further terminal of the third single phase transformer using a 31 th single phase transformer down conductor to delta-connect a low voltage side terminal or a high voltage side terminal of the three phase split transformer.
It should be understood that the most central technical solution of the three-phase split transformer connection device of the present invention is to protect the relative position relationship of the first hard straight wire segment, the second hard straight wire segment, and the third hard straight wire segment, that is, when the three-phase split transformer connection device of the present invention is implemented, the first hard straight wire segment, the second hard straight wire segment, and the third hard straight wire segment may include, but not necessarily include, a 11 th single-phase transformer down conductor, a 12 th single-phase transformer down conductor, a 21 st transformer down conductor, a 22 nd single-phase transformer down conductor, a 31 st transformer down conductor, and/or a 32 nd single-phase transformer down conductor. Of course, when a power transformation system is constructed using the three-phase split transformer junction device of the present invention, the power transformation system must include the 11 th, 12 th, 21 st, 22 nd, 31 st and 32 th single-phase transformer downlinks.
Example 1: a three-phase split transformer wiring device is shown in figures 3-4, and is used for connecting a first single-phase transformer 21 and a second single-phase transformer 22 which are arranged transversely in sequence in a triangular manner, the third single-phase transformer 23 comprises a first power connection lead, a second power connection lead and a third power connection lead, wherein the first power connection lead is used for electrically connecting the first single-phase transformer 21 and the third single-phase transformer 23, the second power connection lead is used for electrically connecting the first single-phase transformer 21 and the second single-phase transformer 22, the third power connection lead is used for electrically connecting the second single-phase transformer 22 and the third single-phase transformer 23, the first power connection lead comprises a first hard straight lead section 31, the second power connection lead comprises a second hard straight lead section 32, the third power connection lead comprises a third hard straight lead section 33, the first hard straight lead section 31 and the second hard straight lead section 32 are vertically arranged in layers, and the first hard straight lead section 31 and the third hard straight lead section 33 are vertically arranged in layers.
Preferably, the second hard straight wire segment 32 and the third hard straight wire segment 33 are respectively disposed at two sides of the second single-phase transformer 22, and an electrical gap is disposed between one end of the second hard straight wire segment 32 adjacent to the second single-phase transformer 22 and one end of the third hard straight wire segment 33 adjacent to the second single-phase transformer 22.
Further, the second hard straight wire segment 32 is arranged in line with the third hard straight wire segment 33, and the first hard straight wire segment 31 is arranged in parallel with the second hard straight wire segment 32.
Preferably, the first stiff straight conductor segment 31 is arranged at a higher height than the second stiff straight conductor segment 32.
In the present embodiment, two or more preferred features may be present simultaneously or separately.
Example 2: a three-phase split transformer wiring device is shown in figures 3-4, and is used for connecting a first single-phase transformer 21 and a second single-phase transformer 22 which are arranged transversely in sequence in a triangular manner, the third single-phase transformer 23 comprises a first power connection lead, a second power connection lead and a third power connection lead, wherein the first power connection lead is used for electrically connecting the first single-phase transformer 21 and the third single-phase transformer 23, the second power connection lead is used for electrically connecting the first single-phase transformer 21 and the second single-phase transformer 22, the third power connection lead is used for electrically connecting the second single-phase transformer 22 and the third single-phase transformer 23, the first power connection lead comprises a first hard straight lead section 31, the second power connection lead comprises a second hard straight lead section 32, the third power connection lead comprises a third hard straight lead section 33, the first hard straight lead section 31 and the second hard straight lead section 32 are vertically arranged in layers, and the first hard straight lead section 31 and the third hard straight lead section 33 are vertically arranged in layers.
Preferably, the first hard straight wire segment 31, the second hard straight wire segment 32 and the third hard straight wire segment 33 are arranged in parallel in pairs, and the cross sections of the first hard straight wire segment 31, the second hard straight wire segment 32 and the third hard straight wire segment 33 are respectively arranged on the corner points of a triangle.
Preferably, the first stiff straight conductor segment 31 is arranged at a higher height than the second stiff straight conductor segment 32.
In the present embodiment, two or more preferred features may be present simultaneously or separately.
Referring to fig. 3-4, the three-phase split transformer includes a first single-phase transformer, a second single-phase transformer, and a third single-phase transformer, which are horizontally arranged in sequence, and includes the following steps:
a first hard straight wire section 31, a second hard straight wire section 32 and a third hard straight wire section 33 are arranged on one side of the three-phase split type transformer, the first hard straight wire section 31 and the second hard straight wire section 32 are vertically arranged in a layered mode, and the first hard straight wire section 31 and the third hard straight wire section 33 are vertically arranged in a layered mode;
electrically connecting the first hard straight wire segment 31 and one of the connection terminals of the first single phase transformer 21 using the 11 th single phase transformer down conductor 211, electrically connecting the first hard straight wire segment 31 and one of the connection terminals of the third single phase transformer 23 using the 32 th single phase transformer down conductor 232, electrically connecting the second hard straight wire segment 32 and the other of the connection terminals of the first single phase transformer 21 using the 12 th single phase transformer down conductor 212, electrically connecting the second hard straight wire segment 32 and one of the connection terminals of the second single phase transformer 22 using the 21 st single phase transformer down conductor 221, electrically connecting the third hard straight wire segment 33 and the other of the connection terminals of the second single phase transformer 22 using the 22 nd single phase transformer down conductor 222, electrically connecting the third hard straight wire segment 33 and the other of the connection terminals of the third single phase transformer 23 using the 31 th single phase transformer down conductor 231, so that the low-voltage side connection terminal or the high-voltage side connection terminal of the three-phase split type transformer are connected in a triangular mode.
Of course, when the first hard straight wire segment 31, the second hard straight wire segment 32 and the third hard straight wire segment 33 are provided, the relative position relationship among the first hard straight wire segment 31, the second hard straight wire segment 32 and the third hard straight wire segment 33 of the three-phase split transformer wiring device of the present invention can also be preferably applied.
A power transformation system applying the wiring device of the three-phase split type transformer comprises the three-phase split type transformer and the wiring device of the three-phase split type transformer, wherein the three-phase split type transformer comprises a first single-phase transformer 21, a second single-phase transformer 22 and a third single-phase transformer 23 which are sequentially and transversely arranged, and the wiring device of the three-phase split type transformer is triangularly connected with a low-voltage side wiring terminal or a high-voltage side wiring terminal of the three-phase split type transformer.
Because the first hard straight wire section 31 and the second hard straight wire section 32 are vertically layered, the first hard straight wire section 31 and the third hard straight wire section 33 are vertically layered, and the first hard straight wire section 31, the second hard straight wire section 32 and the third hard straight wire section 33 can be fixed on the transformer firewall 10 or the chamber wall of the transformer chamber 11, the requirements for fixing part facilities are also reduced.
Preferably, a neutral point connecting electrical conductor 12 is further included, and the neutral point connecting electrical conductor 12 is used to electrically connect the neutral point of the first single-phase transformer 21, the neutral point of the second single-phase transformer 22, and the neutral point of the third single-phase transformer 23.
Fig. 1-2 show a structure diagram of a low-voltage side connection terminal of a three-phase split transformer using three horizontally arranged first hard straight wire segments 31, second hard straight wire segments 32, and third hard straight wire segments 33 according to the prior art. Fig. 3 to 4 show a structure diagram of a low-voltage side connection terminal of a three-phase split type transformer triangularly connected using three horizontally arranged first hard straight wire segments 31, second hard straight wire segments 32, and third hard straight wire segments 33 of the prior art. The comparison shows that the occupied space of the power transformation system constructed by the low-voltage side wiring terminal of the three-phase split type transformer triangularly connected by using the wiring device of the three-phase split type transformer is smaller than that of the power transformation system constructed by the low-voltage side wiring terminal of the three-phase split type transformer with the three horizontally arranged hard straight wire sections in the prior art.
The invention is described in detail above with reference to the figures and examples. It should be understood that in practice it is not intended to be exhaustive of all possible embodiments, and the inventive concepts herein are presented by way of illustration. Without departing from the inventive concept of the present invention and without any creative effort, a person skilled in the art should, in all of the embodiments, make optional combinations of technical features and experimental changes of specific parameters, or make a routine replacement of the disclosed technical means by using the prior art in the technical field to form a specific implementation manner, which belongs to the content implicitly disclosed by the present invention.
Claims (10)
1. A three-phase split transformer wiring device is used for triangle-shaped connection of a first single-phase transformer, a second single-phase transformer and a third single-phase transformer which are sequentially and transversely arranged and comprises a first power connection lead, a second power connection lead and a third power connection lead, the first power connecting lead is used for electrically connecting the first single-phase transformer and the third single-phase transformer, the second power connecting lead is used for electrically connecting the first single-phase transformer and the second single-phase transformer, the third power connection lead is used for electrically connecting the second single-phase transformer and the third single-phase transformer, the first power connection lead comprises a first hard straight lead section, the second power connection lead comprises a second hard straight lead section, the third power connection lead comprises a third hard straight lead section, the first hard straight wire section and the second hard straight wire section are vertically arranged in layers, and the first hard straight wire section and the third hard straight wire section are vertically arranged in layers.
2. The three-phase split transformer wiring device according to claim 1, wherein the second hard straight wire segment and the third hard straight wire segment are respectively disposed on two sides of the second single-phase transformer, and an electrical gap is provided between one end of the second hard straight wire segment adjacent to the second single-phase transformer and one end of the third hard straight wire segment adjacent to the second single-phase transformer.
3. The three-phase split transformer termination of claim 2, wherein the second stiff straight wire segment is arranged collinear with the third stiff straight wire segment, and the first stiff straight wire segment is arranged parallel to the second stiff straight wire segment.
4. The three-phase split-type transformer wiring device according to claim 1, wherein the first hard straight wire section, the second hard straight wire section and the third hard straight wire section are arranged in parallel in pairs, and cross sections of the first hard straight wire section, the second hard straight wire section and the third hard straight wire section are respectively arranged at corner points of a triangle.
5. The three-phase split transformer wiring device according to claim 3 or 4, wherein the first hard straight wire section is provided at a height higher than that of the second hard straight wire section.
6. The three-phase split type transformer wiring device according to claim 1, wherein the three-phase split type transformer wiring device is used for delta-connecting three wiring terminals of a single-phase transformer with a single-phase connection voltage of less than or equal to 110 kV.
7. The three-phase split transformer wiring device according to claim 1, wherein the first hard straight wire section, the second hard straight wire section and the third hard straight wire section are all tube bus bars.
8. A wiring method of a three-phase split type transformer comprises a first single-phase transformer, a second single-phase transformer and a third single-phase transformer which are sequentially and transversely arranged, and is characterized by comprising the following steps:
arranging a first hard straight conductor section, a second hard straight conductor section and a third hard straight conductor section on one side of the three-phase split type transformer, wherein the first hard straight conductor section and the second hard straight conductor section are vertically arranged in layers, and the first hard straight conductor section and the third hard straight conductor section are vertically arranged in layers;
electrically connecting the first hard straight wire segment with one of the wire terminals of the first single phase transformer using an 11 th single phase transformer down conductor, electrically connecting the first hard straight wire segment with one of the wire terminals of the third single phase transformer using a 32 th single phase transformer down conductor, electrically connecting the second hard straight wire segment with yet another wire terminal of the first single phase transformer using a 12 th single phase transformer down conductor, electrically connecting the second hard straight wire segment with one of the wire terminals of the second single phase transformer using a 21 st single phase transformer down conductor, electrically connecting the third hard straight wire segment with yet another wire terminal of the second single phase transformer using a 22 th single phase transformer down conductor, electrically connecting the third hard straight wire segment with yet another wire terminal of the third single phase transformer using a 31 th single phase transformer down conductor, so that the low-voltage side connection terminal or the high-voltage side connection terminal of the three-phase split type transformer are connected in a triangular mode.
9. A power transformation system comprises a three-phase split type transformer, wherein the three-phase split type transformer comprises a first single-phase transformer, a second single-phase transformer and a third single-phase transformer which are sequentially and transversely arranged, and the three-phase split type transformer wiring device is characterized by further comprising the three-phase split type transformer wiring device according to any one of claims 1 to 4, and the three-phase split type transformer wiring device is in triangular connection with a low-voltage side wiring terminal or a high-voltage side wiring terminal of the three-phase split type transformer.
10. A power transformation system as claimed in claim 9, further comprising a neutral point electrical conductor for electrically connecting the neutral point of the first single phase transformer, the neutral point of the second single phase transformer and the neutral point of the third single phase transformer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010820812.6A CN111987595A (en) | 2020-08-14 | 2020-08-14 | Three-phase split type transformer wiring device, wiring method and power transformation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010820812.6A CN111987595A (en) | 2020-08-14 | 2020-08-14 | Three-phase split type transformer wiring device, wiring method and power transformation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111987595A true CN111987595A (en) | 2020-11-24 |
Family
ID=73435319
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010820812.6A Pending CN111987595A (en) | 2020-08-14 | 2020-08-14 | Three-phase split type transformer wiring device, wiring method and power transformation system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111987595A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201312059Y (en) * | 2008-11-18 | 2009-09-16 | 河南省电力勘测设计院 | 35KV bus bar structure of transformer substation autotransformer lower voltage side delta connection |
| CN101908733A (en) * | 2010-07-13 | 2010-12-08 | 广东省电力设计研究院 | 500kV open type high-voltage distribution device with uniline arranged one-and-half breaker |
| TWM411646U (en) * | 2011-03-30 | 2011-09-11 | Yujing Technology Co Ltd | The improved outgoing line structure of conductive line rack in transformer |
| CN103560454A (en) * | 2013-11-06 | 2014-02-05 | 罗志昭 | Bus support shaped like Chinese character 'shan' and used for three-phase bus arrangement |
| CN204088899U (en) * | 2014-08-29 | 2015-01-07 | 福建永福工程顾问有限公司 | The vertical wire outlet structure of Novel outdoor GIS power distribution equipment |
-
2020
- 2020-08-14 CN CN202010820812.6A patent/CN111987595A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201312059Y (en) * | 2008-11-18 | 2009-09-16 | 河南省电力勘测设计院 | 35KV bus bar structure of transformer substation autotransformer lower voltage side delta connection |
| CN101908733A (en) * | 2010-07-13 | 2010-12-08 | 广东省电力设计研究院 | 500kV open type high-voltage distribution device with uniline arranged one-and-half breaker |
| TWM411646U (en) * | 2011-03-30 | 2011-09-11 | Yujing Technology Co Ltd | The improved outgoing line structure of conductive line rack in transformer |
| CN103560454A (en) * | 2013-11-06 | 2014-02-05 | 罗志昭 | Bus support shaped like Chinese character 'shan' and used for three-phase bus arrangement |
| CN204088899U (en) * | 2014-08-29 | 2015-01-07 | 福建永福工程顾问有限公司 | The vertical wire outlet structure of Novel outdoor GIS power distribution equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20050052801A1 (en) | Method for tapping a high voltage transmission line and substation using the same | |
| CN101669260B (en) | Gas insulation switching device | |
| CN102255250B (en) | High-voltage distribution device for alternating current filter field | |
| CN111987595A (en) | Three-phase split type transformer wiring device, wiring method and power transformation system | |
| CN207896531U (en) | Extra-high voltage alternating current transformer substation | |
| CN102570329B (en) | 66 kv side structure of compact 500 kv main transformer | |
| CN212114724U (en) | A 10kV fixed AC ice melting device | |
| CN208094194U (en) | Dry type hollow shunt reactor arrangement | |
| CN103066545B (en) | A kind of Novel high-voltage overhead intensive type busbar distribution system | |
| CN103560401B (en) | A kind of buses of insulation tubes phase change method | |
| CN102570330B (en) | Compact 35 kv side structure of 500 kv main transformer | |
| CN111934232A (en) | A vehicle-mounted mobile substation | |
| CN206992496U (en) | A kind of transformer station's general electric arrangement structure | |
| CN220138085U (en) | Three-phase double-winding transformer inlet wire arrangement structure | |
| CN204243574U (en) | A type structure for arranging wiring between devices | |
| JPS58186302A (en) | Ac/dc conversion station | |
| CN202957556U (en) | Novel high-voltage aerial intensive type bus arrangement system | |
| CN207542568U (en) | The full overhead outlet structure of GIS double-layer frames | |
| CN217087302U (en) | Outgoing line arrangement structure for switching outgoing line intervals in substation | |
| CN203800602U (en) | High-voltage parallel capacitor integrated equipment | |
| CN217335100U (en) | Power distribution system of power grid | |
| CN108281917B (en) | An ultra-high voltage AC substation and its design method | |
| JP3169251B2 (en) | Gas insulated switchgear | |
| CN207283018U (en) | A kind of 35kV power distribution equipments using GIB busbares | |
| CN119315388A (en) | Same-layer arrangement system for alternating-current power distribution device and alternating-current filter power distribution device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for 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: 20201124 |