CN205039056U - Improved generation metallic glass transformer - Google Patents

Improved generation metallic glass transformer Download PDF

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Publication number
CN205039056U
CN205039056U CN201520856015.8U CN201520856015U CN205039056U CN 205039056 U CN205039056 U CN 205039056U CN 201520856015 U CN201520856015 U CN 201520856015U CN 205039056 U CN205039056 U CN 205039056U
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China
Prior art keywords
coil
low
coils
head
voltage
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CN201520856015.8U
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Chinese (zh)
Inventor
王玮
范志兵
周晨光
周强
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JIANGSU POWER TRANSFORMATION EQUIPMENT CO Ltd
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JIANGSU POWER TRANSFORMATION EQUIPMENT CO Ltd
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Abstract

The utility model provides a wiring is convenient, resistance balance's improved generation metallic glass transformer, it including the iron core that has three iron prop, correspond and set up the coil on every iron prop, coil on every iron prop is including setting up the last coil and lower coil on the iron prop from top to bottom, go up coil and lower coil all including twining the low voltage coil on the iron prop, the corresponding winding in low voltage coil outlying high -pressure coil, the equal left side of the three three low voltage coil who goes up in the coil is around to twining on the iron prop that corresponds, and three beginning end position in inboard of going up the three low voltage coil in the coil, the final phase of a project end position of going up the three low voltage coil in the coil in the coil outside of three low voltage coil head end on three, three low voltage coil in the three down coil also a left side around to twining on the iron prop that corresponds, and the three low voltage coil's in the three coil down beginning end position in inboard, the three low voltage coil's in the three coil down final phase of a project end position in the coil outside of three low voltage coil head end under three.

Description

Modified model amorphous alloy transformer
Technical field
The utility model relates to a kind of transformer, particularly relates to a kind of modified model amorphous alloy transformer.
Background technology
The general layout of amorphous alloy transformer as shown in Figure 1, has 2 high-tension coils, 2 low-voltage coils; For low-voltage coil: in a lot of situation, user requires to adopt low-tension bushing side outlet (in order to field connection is convenient), and this structure arranges that copper bar is very complicated under normal circumstances, operating wastes time and energy and resistance is not easy balance; Transformer resistance is uneven to transformer itself, and the normal operation of the miscellaneous equipment be connected with transformer all has impact.And the resistance unbalance rate of transformer coil is an important performance characteristic in transformer testing, its size directly has influence on the voltage of Three-Phase Transformer coil, the balance of electric current.In GB6451-86 " three-phase oil-immersed power transformer technical parameter and requirement " series standard, define the limit value of Three-Phase Transformer coil D.C. resistance unbalance factor: when transformer capacity is equal to or less than 1600kVA, require phase resistance unbalance factor≤4%, line resistance unbalance factor≤2%; When capacity is greater than 1600kVA, then phase resistance unbalance factor (when neutral point is drawn) and line resistance unbalance factor are 2%.That is exceed above-mentioned limit value, can think that transformer exists quality problems.Therefore, in transformer production, guarantee that transformer resistance balance is an important indicator in manufacturing enterprise.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, adapts to reality need, provides the modified model amorphous alloy transformer of a kind of easy-to-connect, resistance balance.
In order to realize the purpose of this utility model, the technical scheme that the utility model adopts is:
Design a kind of modified model amorphous alloy transformer, it comprises iron core, the correspondence with three iron props and is arranged at coil on each iron prop, coil on each iron prop comprises and is arranged at upper coil on iron prop and lower coil from top to bottom, the high-tension coil that described upper coil and lower coil include the low-voltage coil be wound on iron prop, correspondence is wound in low-voltage coil periphery; It is characterized in that: three low-voltage coils in three upper coils are all left around to being wound on corresponding iron prop, and the head end that rises of three low-voltage coils in three upper coils is positioned at inner side, the ending end of three low-voltage coils in described upper coil is arranged in the outside that three upper coil three low-voltage coils play head end;
Further, three low-voltage coils in described three lower coil are also left around to being wound on corresponding iron prop, and the head end that rises of three low-voltage coils in three lower coil is positioned at inner side, the ending end of three low-voltage coils in described three lower coil is arranged in the outside that three lower coil, three low-voltage coils play head end.
Further, ending end and the head end of three low-voltage coils in described three upper coils are arranged all vertically upward.
Further, ending end and the head end of three low-voltage coils in described three lower coil are arranged all vertically downward.
Further, ending end and the head end of three low-voltage coils in described three upper coils are located along the same line.
Further, ending end and the head end of three low-voltage coils in described three lower coil are located along the same line.
Further, the ending end of three low-voltage coils in described three upper coils is all connected with corresponding connecting sleeve is corresponding via copper bar with a head end with the ending end of three low-voltage coils risen in head end and three lower coil.
Further, the ending end of three low-voltage coils in described three upper coils plays head end with three of three low-voltage coils risen in head end and lower coil and is all connected with corresponding copper bar is corresponding via welding or bolt.
Further, three ending ends of three low-voltage coils in described three lower coil are also connected via copper bar, with zero phase of structure cost transformers.
Further, three ending ends of three low-voltage coils in described three lower coil are welded on described copper bar.
The beneficial effects of the utility model are:
1. by design of the present utility model, this modified model amorphous alloy transformer is convenient to wiring when wiring, and the resistance of the transformer of the design can effectively be balanced simultaneously, can guarantee the stability of this transformer, also can guarantee the safety of power consumption equipment.
2. the utility model people finds through long-term research, having an impact around to with the setting position of the initiating terminal resistance balance for transformer of low-voltage coil, therefore the utility model people is through long-term experimental study and experimental design repeatedly transformer of the present utility model, to guarantee that the resistance balance of transformer effectively can meet GB6451-86 " three-phase oil-immersed power transformer technical parameter and requirement " series standard, improve the stability of the output voltage electric current of transformer.
3. by transformer of the present utility model in an experiment, transformer capacity of the present utility model when being equal to or less than 1600kVA, resistance unbalance rate≤2% designed by the utility model, and line resistance unbalance factor≤0.9%; When capacity is greater than 1600kVA, phase resistance unbalance factor (when neutral point is drawn)≤1.5%; Line resistance unbalance factor≤1.3%.
4. the utility model also has other advantages, will propose in the lump with corresponding structure in an embodiment.
Accompanying drawing explanation
Fig. 1 is that transformer coil setting position illustrates schematic diagram;
Fig. 2 is modified model amorphous alloy transformer side-looking primary structure schematic diagram of the present utility model;
Fig. 3 is that view overlooked by ending end x2, y2, the z2 of three low-voltage coils in the upper coil in the utility model and head end a2, b2, c2 setting position relation of rising and primary structure;
Fig. 4 is that view looked up by ending end x1, y1, the z1 of three low-voltage coils in the upper coil in the utility model and head end a1, b1, c1 setting position relation of rising and primary structure.
Embodiment
Below in conjunction with drawings and Examples, the utility model is further illustrated:
Embodiment 1: a kind of modified model amorphous alloy transformer, see Fig. 1 to Fig. 4; Transformer of the prior art and transformer of the present utility model it include iron core 4, the correspondence with three iron props and be arranged at coil 1,2 on each iron prop, coil 1,2 on each iron prop includes and is arranged at upper coil on iron prop and lower coil from top to bottom, the high-tension coil (being prior art above) that described upper coil and lower coil include the low-voltage coil be wound on iron prop, correspondence is wound in low-voltage coil periphery; In the present embodiment, three low-voltage coils in three upper coils are all left around to being wound on corresponding iron prop, and rise head end a2, b2, the c2 of three low-voltage coils in three upper coils are positioned at inner side, ending end x2, y2, the z2 of three low-voltage coils in described upper coil are arranged in the outside that three upper coil three low-voltage coils play head end a2, b2, c2; Simultaneously, three low-voltage coils in described three lower coil are also left around to being wound on corresponding iron prop, and rise head end a1, b1, the c1 of three low-voltage coils in three lower coil are positioned at inner side, ending end x1, y1, the z1 of three low-voltage coils in described three lower coil are arranged in the outside that three lower coil, three low-voltage coils play head end a1, b1, c1.As shown in the figure, ending end x2, y2, z2 and head end a2, b2, the c2 of three low-voltage coils in described three upper coils are arranged all vertically upward; Ending end x1, y1, z1 and head end a1, b1, the c1 of three low-voltage coils in three described lower coil are arranged all vertically downward; And ending end x2, y2, z2 of three low-voltage coils in three upper coils and play head end a2, b2, a c2 and be located along the same line; In like manner, ending end x1, y1, z1 and head end a1, b1, the c1 of three low-voltage coils in three described lower coil are located along the same line.Further, in the present embodiment, ending end x2, y2, the z2 of three low-voltage coils in three upper coils and ending end x1, y1, z1 of three low-voltage coils risen in head end a2, b2, c2 and three lower coil with play head end a1, b1, c1 and be all connected that (initiating terminal of coil specifically with which connecting sleeve is connected and mode is prior art via copper bar and corresponding connecting sleeve are corresponding, and have now corresponding standard, not the design's main points, do not repeat them here); Further, ending end x2, y2, z2 of three low-voltage coils in described three upper coils play head end a1, b1, c1 with three of three low-voltage coils risen in head end a2, b2, c2 and lower coil and are all connected with corresponding copper bar is corresponding via welding or bolt, and three ending ends x1, y1, the z1 of three low-voltage coils in described three lower coil also connect via copper bar, with zero phase of structure cost transformers, concrete, three ending ends x1, y1, the z1 of three low-voltage coils in described three lower coil are welded on described copper bar.
By design of the present utility model, this modified model amorphous alloy transformer is convenient to wiring when wiring, and the resistance of the transformer of the design can effectively be balanced simultaneously, can guarantee the stability of this transformer, also can guarantee the safety of power consumption equipment.It should be noted that simultaneously, the utility model people finds through long-term research, having an impact around to with the setting position of the initiating terminal resistance balance for transformer of low-voltage coil, therefore the utility model people is through long-term experimental study and experimental design repeatedly transformer of the present utility model, to guarantee that the resistance balance of transformer effectively can meet GB6451-86 " three-phase oil-immersed power transformer technical parameter and requirement " series standard, improve the stability of the output voltage electric current of transformer.Thus, by transformer of the present utility model in an experiment, transformer capacity of the present utility model when being equal to or less than 1600kVA, resistance unbalance rate≤2% designed by the utility model, and line resistance unbalance factor≤0.9%; When capacity is greater than 1600kVA, phase resistance unbalance factor (when neutral point is drawn)≤1.5%; Line resistance unbalance factor≤1.3%.
Although; what embodiment of the present utility model was announced is preferred embodiment; but be not limited thereto; those of ordinary skill in the art; very easily according to above-described embodiment, understand spirit of the present utility model, and make different amplifications and change; but only otherwise depart from spirit of the present utility model, all in protection range of the present utility model.

Claims (9)

1. a modified model amorphous alloy transformer, it comprises iron core, the correspondence with three iron props and is arranged at coil on each iron prop, coil on each iron prop comprises and is arranged at upper coil on iron prop and lower coil from top to bottom, the high-tension coil that described upper coil and lower coil include the low-voltage coil be wound on iron prop, correspondence is wound in low-voltage coil periphery; It is characterized in that: three low-voltage coils in three upper coils are all left around to being wound on corresponding iron prop, and the head end (a2, b2, c2) that rises of three low-voltage coils in three upper coils is positioned at inner side, the ending end (x2, y2, z2) of three low-voltage coils in described upper coil is arranged in the outside that three upper coil three low-voltage coils play head end (a2, b2, c2);
Three low-voltage coils in described three lower coil are also left around to being wound on corresponding iron prop, and the head end (a1, b1, c1) that rises of three low-voltage coils in three lower coil is positioned at inner side, the ending end (x1, y1, z1) of three low-voltage coils in described three lower coil is arranged in the outside that three lower coil, three low-voltage coils play head end (a1, b1, c1).
2. modified model amorphous alloy transformer as claimed in claim 1, is characterized in that: ending end (x2, y2, z2) and the head end (a2, b2, c2) of three low-voltage coils in described three upper coils are arranged all vertically upward.
3. modified model amorphous alloy transformer as claimed in claim 1, is characterized in that: ending end (x1, y1, z1) and the head end (a1, b1, c1) of three low-voltage coils in described three lower coil are arranged all vertically downward.
4. modified model amorphous alloy transformer as claimed in claim 1, is characterized in that: ending end (x2, y2, z2) and the head end (a2, b2, c2) of three low-voltage coils in described three upper coils are located along the same line.
5. modified model amorphous alloy transformer as claimed in claim 1, is characterized in that: ending end (x1, y1, z1) and the head end (a1, b1, c1) of three low-voltage coils in described three lower coil are located along the same line.
6. modified model amorphous alloy transformer as claimed in claim 1, is characterized in that: the ending end (x2, y2, z2) of three low-voltage coils in described three upper coils is all connected with corresponding connecting sleeve is corresponding via copper bar with a head end (a1, b1, c1) with the ending end (x1, y1, z1) of three low-voltage coils risen in head end (a2, b2, c2) and three lower coil.
7. modified model amorphous alloy transformer as claimed in claim 1, is characterized in that: the ending end (x2, y2, z2) of three low-voltage coils in described three upper coils plays head end (a1, b1, c1) with three of three low-voltage coils risen in head end (a2, b2, c2) and lower coil and is all connected with corresponding copper bar is corresponding via welding or bolt.
8. modified model amorphous alloy transformer as claimed in claim 7, is characterized in that: three endings end (x1, y1, z1) of three low-voltage coils in described three lower coil are also connected via copper bar, with zero phase of structure cost transformers.
9. modified model amorphous alloy transformer as claimed in claim 8, is characterized in that: three endings end (x1, y1, z1) of three low-voltage coils in described three lower coil are welded on described copper bar.
CN201520856015.8U 2015-10-30 2015-10-30 Improved generation metallic glass transformer Active CN205039056U (en)

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Application Number Priority Date Filing Date Title
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109507500A (en) * 2018-11-08 2019-03-22 国家电网有限公司 A kind of dedicated computing device for electrical test

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109507500A (en) * 2018-11-08 2019-03-22 国家电网有限公司 A kind of dedicated computing device for electrical test

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C14 Grant of patent or utility model
GR01 Patent grant
PE01 Entry into force of the registration of the contract for pledge of patent right
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of utility model: Improved generation metallic glass transformer

Effective date of registration: 20180123

Granted publication date: 20160217

Pledgee: Bank of Communications Ltd Jiangxi branch

Pledgor: Jiangsu Power Transformation Equipment Co., Ltd.

Registration number: 2018990000066

PC01 Cancellation of the registration of the contract for pledge of patent right
PC01 Cancellation of the registration of the contract for pledge of patent right

Date of cancellation: 20190806

Granted publication date: 20160217

Pledgee: Bank of Communications Ltd Jiangxi branch

Pledgor: Jiangsu Power Transformation Equipment Co., Ltd.

Registration number: 2018990000066

PE01 Entry into force of the registration of the contract for pledge of patent right
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of utility model: Improved amorphous alloy transformer

Effective date of registration: 20201016

Granted publication date: 20160217

Pledgee: Bank of Communications Ltd. Jiangxi branch

Pledgor: JIANGXI POWER TRANSFORMATION EQUIPMENT Co.,Ltd.

Registration number: Y2020360000088