CN103839665A - On-load capacitance and voltage adjusting device and method on basis of sectional coil structure of distribution transformer - Google Patents
On-load capacitance and voltage adjusting device and method on basis of sectional coil structure of distribution transformer Download PDFInfo
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- CN103839665A CN103839665A CN201410077234.6A CN201410077234A CN103839665A CN 103839665 A CN103839665 A CN 103839665A CN 201410077234 A CN201410077234 A CN 201410077234A CN 103839665 A CN103839665 A CN 103839665A
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Abstract
The invention discloses an on-load capacitance and voltage adjusting device and method on the basis of a sectional coil structure of a distribution transformer. The on-load capacitance and voltage adjusting device comprises an iron core stem, an inner low-voltage coil, an upper inner low-voltage coil end, an intermediate low-voltage coil, an upper intermediate low-voltage coil end, an outer low-voltage coil, an upper outer low-voltage coil end, a high-voltage coil, a lower outer low-voltage coil end, a lower intermediate low-voltage coil end and a lower inner low-voltage coil end. The on-load capacitance and voltage adjusting device has the advantages that the low-voltage coil is divided into two sections, the four ends up and down of the inner coil and the intermediate coil are controlled through corresponding capacitance and voltage adjusting switches, so that the two coils can be either connected in parallel or series, so that no-load consumption of the transformer in the farm slack seasons is reduced to the great extent on the premise of guaranteeing power supply in the busy farming seasons.
Description
Technical field
The present invention relates to a kind of loaded capacity regulating voltage regulating devices and methods therefor based on distribution transformer graded winding structure, belong to transformer technology field.
Background technology
Current transformer, its loop construction connected mode is fixed, and in the time that application scenario load variations is very large, can cause larger no-load loss, waste electric energy.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, a kind of loaded capacity regulating voltage regulating devices and methods therefor based on distribution transformer graded winding structure is provided.
Loaded capacity regulating voltage regulating device based on distribution transformer graded winding structure comprises on iron core column, low pressure inner coil, low pressure inner coil and lifting one's head, lift one's head on low pressure middle level coil, low pressure middle level coil, lift one's head on low pressure outer coil, low pressure outer coil, lift one's head under high-tension coil, low pressure outer coil, lift one's head under the coil of low pressure middle level, lift one's head under low pressure inner coil, low pressure inner coil is wrapped in iron core column, on low pressure inner coil, lift one's head in low pressure inner coil upper end, low pressure middle level coil is wrapped on low pressure inner coil, on the coil of low pressure middle level, lift one's head at low pressure middle level coil upper end, low pressure outer coil is wrapped on the coil of low pressure middle level, on low pressure outer coil, lift one's head in low pressure outer coil upper end, under low pressure outer coil, lift one's head in low pressure outer coil lower end, under the coil of low pressure middle level, lift one's head in coil lower end, low pressure middle level, under low pressure inner coil, lift one's head in low pressure inner coil lower end, described low pressure outer coil is around to contrary with low pressure middle level coil, under low pressure outer coil, lift one's head and be connected with lifting one's head under the coil of low pressure middle level, guarantee low pressure outer coil is forever connected with low pressure middle level coil.
Described low pressure inner coil and low pressure middle level coil turn with around to identical.
On described low pressure inner coil, lift one's head and be connected with lifting one's head on the coil of low pressure middle level, lift one's head and be connected with lifting one's head under low pressure inner coil under described low pressure middle level coil, described low pressure inner coil and low pressure middle level coil are realized in parallel.
On described low pressure inner coil, lift one's head and be connected with lifting one's head on the coil of low pressure middle level, low pressure inner coil and low pressure middle level coil are realized series connection.
The loaded capacity regulating voltage regulating method of the loaded capacity regulating voltage regulating device based on distribution transformer graded winding structure is: the plug-in controller part of distribution transformer, controller part is measured secondary load electric current by current transformer, the 55%-65% of the secondary load electric current recording and low capacity rated current is compared, when secondary load electric current exceed low capacity rated current 65% time, on described low pressure inner coil, lift one's head and be connected with lifting one's head on the coil of low pressure middle level, under described low pressure middle level coil, lift one's head and be connected with lifting one's head under low pressure inner coil, described low pressure inner coil and low pressure middle level coils from parallel connection of coils, when secondary load electric current lower than low capacity rated current 55% time, on described low pressure inner coil, lift one's head and be connected with lifting one's head on the coil of low pressure middle level, low pressure inner coil and the series connection of low pressure middle level coil, realize loaded capacity regulating voltage regulating.
Use the present invention, in the time that power load is lighter, the electric current of the low-voltage coil of flowing through is very little, two sections of coil series connection, and current density is low, and coil turn is more, and the magnetic flux density of iron core is lower, and no-load loss is relatively very little.In the time that power load is heavier, load current is large, by two sections of coils from parallel connection of coils, the current-carrying cross section of coil-conductor has increased by one times like this, keeps certain current density, and magnetic flux density approaches zone of saturation, now magnetomotive force is larger, the capacity of transformer has also turned over some, although at this moment no-load loss is larger, the output capacity of transformer has increased by one times.This has just ensured meeting under the prerequisite of busy farming season power supply, reduces as far as possible the no-load loss of transformer farm slack season.
Brief description of the drawings
Fig. 1 is the loaded capacity regulating voltage regulating apparatus structure schematic diagram based on distribution transformer graded winding structure;
Fig. 2 is two sections of coil series connection schematic diagrames of loaded capacity regulating voltage regulating device low-voltage coil part of the present invention;
Fig. 3 is two sections of coils from parallel connection of coils schematic diagrames of loaded capacity regulating voltage regulating device low-voltage coil part of the present invention;
In figure, on iron core column 1, low pressure inner coil 2, low pressure inner coil, lift one's head 3, lift one's head 5 on low pressure middle level coil 4, low pressure middle level coil, lift one's head on low pressure outer coil 6, low pressure outer coil 7, lift one's head 9 under high-tension coil 8, low pressure outer coil, lift one's head under the coil of low pressure middle level 10, lift one's head 11 under low pressure inner coil.
Embodiment
As shown in Figure 1, the loaded capacity regulating voltage regulating device based on distribution transformer graded winding structure comprises and on iron core column 1, low pressure inner coil 2, low pressure inner coil, lifts one's head 3, lifts one's head 5 on low pressure middle level coil 4, low pressure middle level coil, lifts one's head on low pressure outer coil 6, low pressure outer coil 7, lifts one's head 9 under high-tension coil 8, low pressure outer coil, lifts one's head under the coil of low pressure middle level 10, lifts one's head 11 under low pressure inner coil, low pressure inner coil 2 is wrapped in iron core column 1, on low pressure inner coil, lift one's head 3 in low pressure inner coil 2 upper ends, low pressure middle level coil 4 is wrapped on low pressure inner coil 2, on the coil of low pressure middle level, lift one's head 5 in coil 4 upper ends, low pressure middle level, low pressure outer coil 6 is wrapped on low pressure middle level coil 4, on low pressure outer coil, lift one's head 7 in low pressure outer coil 6 upper ends, under low pressure outer coil, lift one's head 9 in low pressure outer coil 6 lower ends, under the coil of low pressure middle level, lift one's head 10 in coil 4 lower ends, low pressure middle level, under low pressure inner coil, lift one's head 11 in low pressure inner coil 2 lower ends, described low pressure outer coil 6 is around to contrary with low pressure middle level coil 4, under low pressure outer coil, lift one's head and 9 10 be connected with lifting one's head under the coil of low pressure middle level, guarantee low pressure outer coil 6 is forever connected with low pressure middle level coil 4.
Described low pressure inner coil 2 and low pressure middle level coil 4 numbers of turn with around to identical.
On described low pressure inner coil, lift one's head and 35 be connected with lifting one's head on the coil of low pressure middle level, lift one's head and 10 11 be connected with lifting one's head under low pressure inner coil under described low pressure middle level coil, described low pressure inner coil 2 and low pressure middle level coil 4 are realized in parallel.
On described low pressure inner coil, lift one's head and 35 be connected with lifting one's head on the coil of low pressure middle level, low pressure inner coil 2 and low pressure middle level coil 4 are realized series connection.
As shown in Figure 2, control capacity and pressure regulating switch, 35 be connected with lifting one's head on the coil of low pressure middle level lifting one's head on low pressure inner coil, two sections of coils are connected.
As shown in Figure 3, control capacity and pressure regulating switch, 35 be connected with lifting one's head on the coil of low pressure middle level lifting one's head on low pressure inner coil, under the coil of low pressure middle level, lift one's head and 10 11 be connected with lifting one's head under low pressure inner coil, two sections of coils from parallel connection of coils.
In Fig. 1 to Fig. 3, high-tension coil 8 present positions are the high-pressure section of the loaded capacity regulating voltage regulating device based on distribution transformer graded winding structure, and low pressure inner coil 2, low pressure middle level coil 4, the residing position of low pressure outer coil 6 are the low-pressure section of the loaded capacity regulating voltage regulating device based on distribution transformer graded winding structure.
The loaded capacity regulating voltage regulating method of the loaded capacity regulating voltage regulating device based on distribution transformer graded winding structure is: the plug-in controller part of distribution transformer, controller part is measured secondary load electric current by current transformer, the 55%-65% of the secondary load electric current recording and low capacity rated current is compared, when secondary load electric current exceed low capacity rated current 65% time, on described low pressure inner coil, lift one's head and 35 be connected with lifting one's head on the coil of low pressure middle level, under described low pressure middle level coil, lift one's head and 10 11 be connected with lifting one's head under low pressure inner coil, described low pressure inner coil 2 and coil 4 parallel connections of low pressure middle level, when secondary load electric current lower than low capacity rated current 55% time, on described low pressure inner coil, lift one's head and 35 be connected with lifting one's head on the coil of low pressure middle level, low pressure inner coil 2 and low pressure middle level coil 4 are connected, and realize loaded capacity regulating voltage regulating.
Claims (5)
1. the loaded capacity regulating voltage regulating device based on distribution transformer graded winding structure, is characterized in that comprising on iron core column (1), low pressure inner coil (2), low pressure inner coil and lifts one's head (3), lifts one's head (5) on low pressure middle level coil (4), low pressure middle level coil, lifts one's head (7) on low pressure outer coil (6), low pressure outer coil, lifts one's head (9) under high-tension coil (8), low pressure outer coil, lifts one's head (10) under the coil of low pressure middle level, lifts one's head under low pressure inner coil (11), low pressure inner coil (2) is wrapped in iron core column (1), on low pressure inner coil, lift one's head (3) in low pressure inner coil (2) upper end, low pressure middle level coil (4) is wrapped on low pressure inner coil (2), on the coil of low pressure middle level, lift one's head (5) in low pressure middle level coil (4) upper end, low pressure outer coil (6) is wrapped on low pressure middle level coil (4), on low pressure outer coil, lift one's head (7) in low pressure outer coil (6) upper end, under low pressure outer coil, lift one's head (9) in low pressure outer coil (6) lower end, under the coil of low pressure middle level, lift one's head (10) in low pressure middle level coil (4) lower end, under low pressure inner coil, lift one's head (11) in low pressure inner coil (2) lower end, described low pressure outer coil (6) is around to contrary with low pressure middle level coil (4), under low pressure outer coil, lift one's head (9) with under the coil of low pressure middle level, lift one's head (10) be connected, guarantee low pressure outer coil (6) is forever connected with low pressure middle level coil (4).
2. the loaded capacity regulating voltage regulating device based on distribution transformer graded winding structure according to claim 1, it is characterized in that described low pressure inner coil (2) and low pressure middle level coil (4) number of turn with around to identical.
3. the loaded capacity regulating voltage regulating device based on distribution transformer graded winding structure according to claim 1, it is characterized in that lifting one's head on described low pressure inner coil (3) with on the coil of low pressure middle level, lift one's head (5) be connected, under described low pressure middle level coil, lift one's head (10) with under low pressure inner coil, lift one's head (11) be connected, described low pressure inner coil (2) and low pressure middle level coil (4) are realized in parallel.
4. the loaded capacity regulating voltage regulating device based on distribution transformer graded winding structure according to claim 1, it is characterized in that lifting one's head on described low pressure inner coil (3) with on the coil of low pressure middle level, lift one's head (5) be connected, low pressure inner coil (2) and low pressure middle level coil (4) realization are connected.
5. the loaded capacity regulating voltage regulating method that use is installed as claimed in claim 1, it is characterized in that the plug-in controller part of distribution transformer, controller part is measured secondary load electric current by current transformer, the 55%-65% of the secondary load electric current recording and low capacity rated current is compared, when secondary load electric current exceed low capacity rated current 65% time, on described low pressure inner coil, lift one's head (3) with on the coil of low pressure middle level, lift one's head (5) be connected, under described low pressure middle level coil, lift one's head (10) with under low pressure inner coil, lift one's head (11) be connected, described low pressure inner coil (2) and low pressure middle level coil (4) parallel connection, when secondary load electric current lower than low capacity rated current 55% time, on described low pressure inner coil, lift one's head (3) with on the coil of low pressure middle level, lift one's head (5) be connected, the series connection of low pressure inner coil (2) and low pressure middle level coil (4), realizes loaded capacity regulating voltage regulating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410077234.6A CN103839665A (en) | 2014-03-05 | 2014-03-05 | On-load capacitance and voltage adjusting device and method on basis of sectional coil structure of distribution transformer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410077234.6A CN103839665A (en) | 2014-03-05 | 2014-03-05 | On-load capacitance and voltage adjusting device and method on basis of sectional coil structure of distribution transformer |
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| CN103839665A true CN103839665A (en) | 2014-06-04 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107808755A (en) * | 2017-10-12 | 2018-03-16 | 安徽省神虹变压器股份有限公司 | A kind of method for tackling transformer current increase |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01105508A (en) * | 1987-10-19 | 1989-04-24 | Toshiba Corp | Transformer |
| CN202067649U (en) * | 2011-05-19 | 2011-12-07 | 江苏道盛科技股份有限公司 | On-load capacity-regulating power transformer |
| CN202905395U (en) * | 2012-05-21 | 2013-04-24 | 中国电力科学研究院 | Coil structure of on-load-capacity-adjustment transformer |
| CN203733599U (en) * | 2014-03-05 | 2014-07-23 | 衢州杭甬变压器有限公司 | On-load capacitance and voltage regulating device based on sectional coil structure of distribution transformer |
-
2014
- 2014-03-05 CN CN201410077234.6A patent/CN103839665A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01105508A (en) * | 1987-10-19 | 1989-04-24 | Toshiba Corp | Transformer |
| CN202067649U (en) * | 2011-05-19 | 2011-12-07 | 江苏道盛科技股份有限公司 | On-load capacity-regulating power transformer |
| CN202905395U (en) * | 2012-05-21 | 2013-04-24 | 中国电力科学研究院 | Coil structure of on-load-capacity-adjustment transformer |
| CN203733599U (en) * | 2014-03-05 | 2014-07-23 | 衢州杭甬变压器有限公司 | On-load capacitance and voltage regulating device based on sectional coil structure of distribution transformer |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107808755A (en) * | 2017-10-12 | 2018-03-16 | 安徽省神虹变压器股份有限公司 | A kind of method for tackling transformer current increase |
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Application publication date: 20140604 |