CN105788836A - Transformer for low-voltage power transmission line - Google Patents
Transformer for low-voltage power transmission line Download PDFInfo
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- CN105788836A CN105788836A CN201610344073.1A CN201610344073A CN105788836A CN 105788836 A CN105788836 A CN 105788836A CN 201610344073 A CN201610344073 A CN 201610344073A CN 105788836 A CN105788836 A CN 105788836A
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- transmission line
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F38/00—Adaptations of transformers or inductances for specific applications or functions
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/2823—Wires
- H01F27/2828—Construction of conductive connections, of leads
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
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Abstract
The invention relates to the technical field of power transmission equipment and provides a transformer for a low-voltage power transmission line. The transformer comprises at least one first coil located on a first voltage side, and at least one second coil located on a second voltage side corresponding to the first voltage side, wherein the first coil comprises two or three first connection ends; the second coil comprises at least two second connection ends; when the first connection ends are used as input ends, the second connection ends are used as output ends, and the transformer for the low-voltage power transmission line is a boosting transformer or a step-down transformer; when the first connection ends are used as the output ends, the second connection ends are used as the input ends, and the transformer for the low-voltage power transmission line is the step-down transformer, so that boosting and step-down of voltage on the low-voltage power transmission line can be realized, the transmission distance of the voltage is increased, the loss of the power transmission line is reduced, and the power utilization voltage requirements of users are met.
Description
Technical field
The invention belongs to transmission facility technical field, particularly relate to a kind of low-voltage electricity transmission line transformator.
Background technology
The stabilization of power grids and the safe operation of power equipment, line loss and living standard of urban and rural population electricity consumption are all had a direct impact by quality of voltage.Along with rapid development of economy, rural households resident buys the motor machine such as substantial amounts of household electrical appliance and drainage and irrigation hyelectric power motor-pumped well, causes farming power throwing-on.
Due to China rural area and outlying poverty-stricken area, vast in territory, population density is low, and power load is comparatively disperseed, and capacity is relatively low, therefore there is the substantial amounts of low-voltage supply line more than 500 meters of supply districts, according to current supply standard, using single-phase 220V or three-phase 380V to power, its line loss is bigger, cause user power utilization terminal voltage too low, have a strong impact on the daily need for electricity of motor machine, cultivation, well irrigation and the masses.
Summary of the invention
It is an object of the invention to provide a kind of low-voltage electricity transmission line transformator, aim to solve the problem that and prior art uses single-phase 220V or three-phase 380V power, its line loss is bigger, cause user power utilization terminal voltage too low, the problem having a strong impact on the daily need for electricity of motor machine, cultivation, well irrigation and the masses.
The present invention is realized in, a kind of low-voltage electricity transmission line transformator, described low-voltage electricity transmission line transformator includes at least one first coil being positioned at the first voltage side and at least one second coil being positioned at second voltage side corresponding with described first voltage side, described first coil includes two or three first links, and described second coil includes at least two the second link；
When described first link is as input, described second link is as outfan, and described low-voltage electricity transmission line transformator is booster transformer or step-down transformer；
When described first link is as outfan, described second link is as input, and described low-voltage electricity transmission line transformator is step-down transformer.
As a kind of improved plan, when described low-voltage electricity transmission line transformator is booster transformer, and when the voltage of described first voltage side is single-phase voltage, the quantity of described first coil and the second coil is one；
Described first coil includes two the first links, i.e. 0V input and 220V input, and the second link of described second coil includes 0V outfan, 660V outfan, 880V outfan, 1100V outfan, 2200V outfan and 5500V outfan.
As a kind of improved plan, when described low-voltage electricity transmission line transformator is step-down transformer, and when the voltage of described first voltage side is single-phase voltage, the quantity of described first coil and the second coil is one；
Described first coil includes three the first links, i.e. 0V outfan, 220V outfan and/or 380V outfan, the second link of described second coil includes 0V input, 660V input, 880V input, 1100V input, 2200V input and 5500V input.
As a kind of improved plan, described low-voltage electricity transmission line transformator is step-down transformer, and when the voltage of described first voltage side is single-phase voltage, the quantity of described first coil and the second coil is one；
Described first coil includes two the first links, i.e. 0V input and 10KV input, and the second link of described second coil includes 0V outfan, 660V outfan, 880V outfan, 1100V outfan, 2200V outfan and 5500V outfan.
As a kind of improved plan, when described low-voltage electricity transmission line transformator is booster transformer, and the voltage of described first voltage side is when being three-phase voltage, described first coil includes A phase input coil, B phase input coil and C phase input coil, and described second coil includes A phase output winding, B phase output winding and C phase output winding；
Second link of each described second coil includes 0V outfan, 660V outfan, 880V outfan, 1100V outfan, 2200V outfan and 5500V outfan.
As a kind of improved plan, when described low-voltage electricity transmission line transformator is step-down transformer, and the voltage of described first voltage side is when being three-phase voltage, described first coil includes A phase input coil, B phase input coil and C phase input coil, and described second coil includes A phase output winding, B phase output winding and C phase output winding；
Second link of each described second coil includes 0V outfan, 660V outfan, 880V outfan, 1100V outfan, 2200V outfan and 5500V outfan.
As a kind of improved plan, when described low-voltage electricity transmission line transformator is step-down transformer, and the voltage of described first voltage side is when being three-phase voltage, described first coil includes A phase output winding, B phase output winding and C phase output winding, and described second coil includes A phase input coil, B phase input coil and C phase input coil；
Second link of each described second coil includes 0V input, 660V input, 880V input, 1100V input, 2200V input and 5500V input.
As a kind of improved plan, the electric current of described first voltage side and the second voltage side is alternating current.
In embodiments of the present invention, low-voltage electricity transmission line transformator includes at least one first coil being positioned at the first voltage side and at least one second coil being positioned at second voltage side corresponding with the first voltage side, first coil includes two or three first links, and described second coil includes at least two the second link；When institute's the first link is as input, the second link is as outfan, and low-voltage electricity transmission line transformator is booster transformer or step-down transformer；When the first link is as outfan, second link is as input, low-voltage electricity transmission line transformator is step-down transformer, thus realizing the boosting to the voltage on low-voltage electricity transmission line and blood pressure lowering, add the fed distance of voltage, reduce the loss of transmission line of electricity, meet the utilization voltage demand of user.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of the low-voltage electricity transmission line transformator that the embodiment of the present invention one provides；
Fig. 2 is the structured flowchart of the low-voltage electricity transmission line transformator that the embodiment of the present invention two provides；
Fig. 3 is the structured flowchart of the low-voltage electricity transmission line transformator that the embodiment of the present invention three provides；
Fig. 4 is the structured flowchart of the low-voltage electricity transmission line transformator that the embodiment of the present invention four provides；
Fig. 5 is the structured flowchart of the low-voltage electricity transmission line transformator that the embodiment of the present invention five provides；
Fig. 6 is the structured flowchart of the low-voltage electricity transmission line transformator that the embodiment of the present invention six provides；
Wherein, 1-first coil, 2-the second coil, 3-0V input, 4-220V input, 5-0V outfan, 6-660V outfan, 7-880V outfan, 8-1100V outfan, 9-2200V outfan, 10-5500V outfan, 11-220V outfan, 12-380V outfan, 13-660V input, 14-880V input, 15-1100V input, 16-2200V input, 17-5500V input, 18-10KV input, 19-A phase input coil, 20-B phase input coil, 21-C phase input coil, 22-A phase output winding, 23-B phase output winding, 24-C phase output winding.
Detailed description of the invention
In order to make the purpose of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the present invention, is not intended to limit the present invention.
Fig. 1 illustrates the structured flowchart of low-voltage electricity transmission line transformator provided by the invention, for the ease of illustrating, only gives part related to the present invention in figure.
Low-voltage electricity transmission line transformator includes at least one first coil 1 being positioned at the first voltage side and at least one second coil 2 being positioned at second voltage side corresponding with the first voltage side, first coil 1 includes two or three first links, and the second coil 2 includes at least two the second link；
When the first link is as input, the second link is as outfan, and low-voltage electricity transmission line transformator is booster transformer or step-down transformer；
When the first link is as outfan, the second link is as input, and low-voltage electricity transmission line transformator is step-down transformer.
Wherein, this low-voltage electricity transmission line transformator is mainly used in the parameter between by the Voltage Cortrol of input to 660V-5500V, it is delivered to user side by low-voltage electricity transmission line, then pass through this low-voltage electricity transmission line transformator and the voltage of low-voltage electricity transmission line is dropped to 220V or 380V that user needs, or other, following illustrate in conjunction with several specific embodiments.
As in figure 2 it is shown, when low-voltage electricity transmission line transformator is booster transformer, and when the voltage of the first voltage side is single-phase voltage, the quantity of first coil 1 and the second coil 2 is one；
First coil 1 includes two the first links, i.e. 0V input 3 and 220V input 4, second link of the second coil 2 includes 0V outfan 5,660V outfan 6,880V outfan 7,1100V outfan 8,2200V outfan 9 and 5500V outfan 10, wherein, this each outfan is for selecting end, for instance select 0V outfan 5 and 1100V outfan 8.
In this embodiment, namely input voltage is that the single-phase voltage of 220V is converted to 660V or 880V, or 1100V or 2200V, or 5500V, it is transported on low-voltage electricity transmission line, wherein, this 660V outfan 6,880V outfan 7,1100V outfan 8,2200V outfan 9 and 5500V outfan 10 are as the demand end of low-voltage electricity transmission line, it is possible to select according to the distance of actual low-voltage electricity transmission line, to reduce the power consumption of low-voltage electricity transmission line, improve transmission of electricity quality, do not repeat them here.
As it is shown on figure 3, corresponding with the single-phase booster transformer shown in Fig. 2, when low-voltage electricity transmission line transformator is step-down transformer, and when the voltage of the first voltage side is single-phase voltage, the quantity of first coil 1 and the second coil 2 is one；
First coil 1 includes three the first links, i.e. 0V outfan 5,220V outfan 11 and/or 380V outfan 12, the second link of the second coil 2 includes 0V input 3,660V input 13,880V input 14,1100V input 15,2200V input 16 and 5500V input 17.
This step-down transformer the voltage that 660V input 13,880V input 14,1100V input 15,2200V input 16 and 5500V input 17 input is converted to single-phase 220V or single-phase 380V or other, do not repeat them here.
In this embodiment, the booster transformer shown in Fig. 2 and the step-down transformer shown in Fig. 3 can be arranged in pairs or groups use, are separately positioned on the two ends of low-voltage electricity transmission line, complete the remote mesolow transmission of electricity more than 500 meters of the coverage radius.
As shown in Figure 4, when low-voltage electricity transmission line transformator is step-down transformer, and when the voltage of the first voltage side is single-phase voltage, the quantity of first coil 1 and the second coil 2 is one；
First coil 1 includes two the first links, i.e. 0V input 3 and 10KV input 18, and the second link of the second coil 2 includes 0V outfan 5,660V outfan 6,880V outfan 7,1100V outfan 8,2200V outfan 9 and 5500V outfan 10.
In this embodiment, namely input voltage is that the single-phase voltage of 10KV is converted to 660V or 880V, or 1100V or 2200V, or 5500V, it is transported on low-voltage electricity transmission line, wherein, this 660V outfan 6,880V outfan 7,1100V outfan 8,2200V outfan 9 and 5500V outfan 10 are as the demand end of low-voltage electricity transmission line, it is possible to select according to the distance of actual low-voltage electricity transmission line, to reduce the power consumption of low-voltage electricity transmission line, improve transmission of electricity quality, do not repeat them here.
The corresponding step-down transformer shown in Fig. 4, can adopt the step-down transformer shown in Fig. 3 in the rear end of low-voltage electricity transmission line, and namely Fig. 4 and Fig. 3 partner carries out low voltage power transmission, does not repeat them here.
As shown in Figure 5, when low-voltage electricity transmission line transformator is booster transformer, and first voltage of voltage side when being three-phase voltage, first coil 1 includes A phase input coil 19, B phase input coil 20 and C phase input coil 21, and the second coil 2 includes A phase output winding 22, B phase output winding 23 and C phase output winding 24；
Second link of each second coil 2 includes 0V outfan 5,660V outfan 6,880V outfan 7,1100V outfan 8,2200V outfan 9 and 5500V outfan 10.
This embodiment is that the transformation for three-phase alternating current processes, and it is respectively equipped with three groups of first coil 1 second coils 2 corresponding with three groups, and its principle is identical, does not repeat them here.
Wherein, the input voltage of this first coil 1 is 380V or 10KV.
Corresponding, when the input voltage of the first coil 1 shown in above-mentioned Fig. 5 is 380V, as shown in Figure 6, when low-voltage electricity transmission line transformator is step-down transformer, and first voltage of voltage side when being three-phase voltage, first coil 1 includes A phase output winding 22, B phase output winding 23 and C phase output winding 24, and the second coil 2 includes A phase input coil 19, B phase input coil 20 and C phase input coil 21；
Second link of each second coil 2 includes 0V input 3,660V input 13,880V input 14,1100V input 15,2200V input 16 and 5500V input 17.
Namely Fig. 5 and Fig. 6 collocation completes the boosting conveying of three-phase 380V voltage by low-voltage electricity transmission line, improves transmission of electricity quality, reduces the power consumption of low-voltage electricity transmission line.
Corresponding, when the input voltage of the first coil 1 shown in above-mentioned Fig. 5 is 10KV, when low-voltage electricity transmission line transformator is step-down transformer, and first voltage of voltage side when being three-phase voltage, first coil 1 includes A phase input coil 19, B phase input coil 20 and C phase input coil 21, and described second coil includes A phase output winding 22, B phase output winding 23 and C phase output winding 24；
Second link of each second coil 2 includes 0V outfan 5,660V outfan 6,880V outfan 7,1100V outfan 8,2200V outfan 9 and 5500V outfan 10.
Low-voltage electricity transmission line transformator shown in corresponding diagram 5, the low-voltage electricity transmission line transformator being arranged on rear end is similarly step-down transformer as shown in Figure 6, and its structure and principle ibid, do not repeat them here.
The i.e. combination of Fig. 5 and Fig. 6, it is possible to completed the blood pressure lowering conveying of three-phase 10KV voltage by low-voltage electricity transmission line, improve transmission of electricity quality, reduce the power consumption of low-voltage electricity transmission line.
In embodiments of the present invention, the electric current of the first voltage side and the second voltage side is alternating current.
In embodiments of the present invention, low-voltage electricity transmission line transformator includes at least one first coil 1 being positioned at the first voltage side and at least one second coil 2 being positioned at second voltage side corresponding with the first voltage side, first coil 1 includes two or three first links, and the second coil 2 includes at least two the second link；When institute's the first link is as input, the second link is as outfan, and low-voltage electricity transmission line transformator is booster transformer or step-down transformer；When the first link is as outfan, the second link is as input, and low-voltage electricity transmission line transformator is step-down transformer, thus realizing the boosting to the voltage on low-voltage electricity transmission line and blood pressure lowering, it has the following technical effect that
(1) by promoting and reduce the power transmission mode of voltage, multi-line power transmission electric current is reduced, thus reducing the electrical power of decades of times line loss；
(2) the qualified fed distance solving 220V/380V transmission of electricity can not more than the problem of 500 meters；
(3) simple in construction, low cost of manufacture, without special material requirement；
(4) class of insulation is low, not easily punch through damage, and anti-lightning performance is good；
(5) simplify low-voltage circuit power transmission mode, reduce the wire diameter of transmission line of electricity, reduce material cost.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all any amendment, equivalent replacement and improvement etc. made within the spirit and principles in the present invention, should be included within protection scope of the present invention.
Claims (8)
1. a low-voltage electricity transmission line transformator, it is characterized in that, described low-voltage electricity transmission line transformator includes at least one first coil being positioned at the first voltage side and at least one second coil being positioned at second voltage side corresponding with described first voltage side, described first coil includes two or three first links, and described second coil includes at least two the second link；
When described first link is as input, described second link is as outfan, and described low-voltage electricity transmission line transformator is booster transformer or step-down transformer；
When described first link is as outfan, described second link is as input, and described low-voltage electricity transmission line transformator is step-down transformer.
2. low-voltage electricity transmission line transformator according to claim 1, it is characterized in that, when described low-voltage electricity transmission line transformator is booster transformer, and when the voltage of described first voltage side is single-phase voltage, the quantity of described first coil and the second coil is one；
Described first coil includes two the first links, i.e. 0V input and 220V input, and the second link of described second coil includes 0V outfan, 660V outfan, 880V outfan, 1100V outfan, 2200V outfan and 5500V outfan.
3. low-voltage electricity transmission line transformator according to claim 1, it is characterized in that, when described low-voltage electricity transmission line transformator is step-down transformer, and when the voltage of described first voltage side is single-phase voltage, the quantity of described first coil and the second coil is one；
Described first coil includes three the first links, i.e. 0V outfan, 220V outfan and/or 380V outfan, the second link of described second coil includes 0V input, 660V input, 880V input, 1100V input, 2200V input and 5500V input.
4. low-voltage electricity transmission line transformator according to claim 1, it is characterized in that, described low-voltage electricity transmission line transformator is step-down transformer, and when the voltage of described first voltage side is single-phase voltage, the quantity of described first coil and the second coil is one；
Described first coil includes two the first links, i.e. 0V input and 10KV input, and the second link of described second coil includes 0V outfan, 660V outfan, 880V outfan, 1100V outfan, 2200V outfan and 5500V outfan.
5. low-voltage electricity transmission line transformator according to claim 1, it is characterized in that, when described low-voltage electricity transmission line transformator is booster transformer, and the voltage of described first voltage side is when being three-phase voltage, described first coil includes A phase input coil, B phase input coil and C phase input coil, and described second coil includes A phase output winding, B phase output winding and C phase output winding；
Second link of each described second coil includes 0V outfan, 660V outfan, 880V outfan, 1100V outfan, 2200V outfan and 5500V outfan.
6. low-voltage electricity transmission line transformator according to claim 1, it is characterized in that, when described low-voltage electricity transmission line transformator is step-down transformer, and the voltage of described first voltage side is when being three-phase voltage, described first coil includes A phase input coil, B phase input coil and C phase input coil, and described second coil includes A phase output winding, B phase output winding and C phase output winding；
Second link of each described second coil includes 0V outfan, 660V outfan, 880V outfan, 1100V outfan, 2200V outfan and 5500V outfan.
7. the low-voltage electricity transmission line transformator according to claim 5 or 6, it is characterized in that, when described low-voltage electricity transmission line transformator is step-down transformer, and the voltage of described first voltage side is when being three-phase voltage, described first coil includes A phase output winding, B phase output winding and C phase output winding, and described second coil includes A phase input coil, B phase input coil and C phase input coil；
Second link of each described second coil includes 0V input, 660V input, 880V input, 1100V input, 2200V input and 5500V input.
8. the low-voltage electricity transmission line transformator according to any one of claim 1 to 7, it is characterised in that the electric current of described first voltage side and the second voltage side is alternating current.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610344073.1A CN105788836A (en) | 2016-05-20 | 2016-05-20 | Transformer for low-voltage power transmission line |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610344073.1A CN105788836A (en) | 2016-05-20 | 2016-05-20 | Transformer for low-voltage power transmission line |
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| CN105788836A true CN105788836A (en) | 2016-07-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610344073.1A Pending CN105788836A (en) | 2016-05-20 | 2016-05-20 | Transformer for low-voltage power transmission line |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112531678A (en) * | 2020-11-03 | 2021-03-19 | 江西中竹生物质科技有限公司 | Power supply method and system for reducing power consumption cost of 10KV power consumption enterprise |
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| KR20090032488A (en) * | 2007-09-28 | 2009-04-01 | 한국전력공사 | A transformer having coupler |
| CN202003815U (en) * | 2010-12-31 | 2011-10-05 | 昆明赛格迈电气有限公司 | Three-phase transformer |
| CN202601399U (en) * | 2012-05-30 | 2012-12-12 | 江苏科兴电器有限公司 | Multi-voltage-level electromagnetic voltage transformer |
| CN103227021A (en) * | 2013-05-21 | 2013-07-31 | 浙江腾腾电气有限公司 | Segmented variable cross-section winding |
| CN205862980U (en) * | 2016-05-20 | 2017-01-04 | 李建新 | A kind of low-voltage electricity transmission line transformator |
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2016
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20090032488A (en) * | 2007-09-28 | 2009-04-01 | 한국전력공사 | A transformer having coupler |
| CN202003815U (en) * | 2010-12-31 | 2011-10-05 | 昆明赛格迈电气有限公司 | Three-phase transformer |
| CN202601399U (en) * | 2012-05-30 | 2012-12-12 | 江苏科兴电器有限公司 | Multi-voltage-level electromagnetic voltage transformer |
| CN103227021A (en) * | 2013-05-21 | 2013-07-31 | 浙江腾腾电气有限公司 | Segmented variable cross-section winding |
| CN205862980U (en) * | 2016-05-20 | 2017-01-04 | 李建新 | A kind of low-voltage electricity transmission line transformator |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112531678A (en) * | 2020-11-03 | 2021-03-19 | 江西中竹生物质科技有限公司 | Power supply method and system for reducing power consumption cost of 10KV power consumption enterprise |
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Application publication date: 20160720 |