CN203733599U - On-load capacitance and voltage regulating device based on sectional coil structure of distribution transformer - Google Patents
On-load capacitance and voltage regulating device based on sectional coil structure of distribution transformer Download PDFInfo
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- CN203733599U CN203733599U CN201420096528.9U CN201420096528U CN203733599U CN 203733599 U CN203733599 U CN 203733599U CN 201420096528 U CN201420096528 U CN 201420096528U CN 203733599 U CN203733599 U CN 203733599U
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- 230000001105 regulatory effect Effects 0.000 title claims abstract description 41
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 9
- 238000004804 winding Methods 0.000 claims description 13
- 238000009313 farming Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model discloses an on-load capacitance and voltage regulating device based on a sectional coil structure of a distribution transformer. The on-load capacitance and voltage regulating device comprises an iron core post, an inner low-voltage coil, an inner low-voltage coil upper end, an intermediate low-voltage coil, an intermediate low-voltage coil upper end, an outer low-voltage coil, an outer low-voltage coil upper end, a high-voltage coil, an outer low-voltage coil lower end, an intermediate low-voltage coil lower end and an inner low-voltage coil lower end. The on-load capacitance and voltage regulating device has the advantages that the low-voltage coil is divided into two sections, four upper and lower ends of the inner coil and the intermediate coil can be controlled by corresponding capacitance and voltage regulating switches, so the two sections can be either serially connected or parallelly connected, and no-load loss of the transformer during farm slack seasons is reduced as far as possible on the premise of guaranteeing power supply during busy farming seasons.
Description
Technical field
The utility model relates to a kind of loaded capacity regulating voltage regulating device based on distribution transformer graded winding structure, belongs to transformer technology field.
Background technology
Current transformer, its loop construction connected mode is fixed, and when application scenario load variations is very large, can cause larger no-load loss, waste electric energy.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, and a kind of loaded capacity regulating voltage regulating device 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, assurance 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.
Use the utility model, when 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.When 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 guaranteed meeting under the prerequisite of busy farming season power supply, reduces as far as possible the no-load loss of transformer farm slack season.
Accompanying drawing explanation
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 the utility model loaded capacity regulating voltage regulating device low-voltage coil part;
Fig. 3 is two sections of coils from parallel connection of coils schematic diagrames of the utility model loaded capacity regulating voltage regulating device low-voltage coil part;
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, assurance 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, by lifting one's head on low pressure inner coil, 35 be connected with lifting one's head on the coil of low pressure middle level, two sections of coils are connected.
As shown in Figure 3, control capacity and pressure regulating switch, by lifting one's head on low pressure inner coil, 35 be connected with lifting one's head on the coil of low pressure middle level, 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 surpass 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 4 series connection of low pressure middle level coil, realize loaded capacity regulating voltage regulating.
Claims (4)
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, assurance 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420096528.9U CN203733599U (en) | 2014-03-05 | 2014-03-05 | On-load capacitance and voltage regulating device based on sectional coil structure of distribution transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420096528.9U CN203733599U (en) | 2014-03-05 | 2014-03-05 | On-load capacitance and voltage regulating device based on sectional coil structure of distribution transformer |
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| Publication Number | Publication Date |
|---|---|
| CN203733599U true CN203733599U (en) | 2014-07-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420096528.9U Expired - Lifetime CN203733599U (en) | 2014-03-05 | 2014-03-05 | On-load capacitance and voltage regulating device based on sectional coil structure of distribution transformer |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103839665A (en) * | 2014-03-05 | 2014-06-04 | 衢州杭甬变压器有限公司 | On-load capacitance and voltage adjusting device and method on basis of sectional coil structure of distribution transformer |
| CN109256267A (en) * | 2018-10-09 | 2019-01-22 | 浙江宝威电气有限公司 | A kind of foil capacity transfer winding and low pressure winding winding method for capacitance-adjustable transformer |
-
2014
- 2014-03-05 CN CN201420096528.9U patent/CN203733599U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103839665A (en) * | 2014-03-05 | 2014-06-04 | 衢州杭甬变压器有限公司 | On-load capacitance and voltage adjusting device and method on basis of sectional coil structure of distribution transformer |
| CN109256267A (en) * | 2018-10-09 | 2019-01-22 | 浙江宝威电气有限公司 | A kind of foil capacity transfer winding and low pressure winding winding method for capacitance-adjustable transformer |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140723 |