CN203787268U - Multi-voltage dry transformer - Google Patents
Multi-voltage dry transformer Download PDFInfo
- Publication number
- CN203787268U CN203787268U CN201420169945.1U CN201420169945U CN203787268U CN 203787268 U CN203787268 U CN 203787268U CN 201420169945 U CN201420169945 U CN 201420169945U CN 203787268 U CN203787268 U CN 203787268U
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Abstract
The utility model relates to a multi-voltage dry transformer, which is formed by a high voltage coil, an iron core, a low voltage coil and an insulation drum; the high voltage coil is provided with linkage lines; the linkage lines comprise starlike linkage lines and triangular linkage lines; the high voltage connecting ends of the starlike linkage lines are connected with 10KV voltage; the high voltage connecting ends of the triangular linkage lines are connected with 6KV voltage; the demands of a line of both a 6KV power grid and a 10KV power grid are met; the low voltage coil is provided with a double voltage tap and can provide a 400V low voltage power supply and a 600V low voltage power supply at the same time, so requirements of electricity using equipment with different voltage levels are met, the application field of the transformers is expanded, the use efficiency of the transformers is effectively improved and the electricity consumption is reduced.
Description
Technical field
The utility model relates to a kind of device for transformer, specifically, relates to and a kind ofly can access respectively 10KV and 6KV high voltage source, and can produce the multi-voltage dry transformer of 600V and 400V simultaneously.
Background technology
General says, dry-type transformer is that iron core and winding are not all dipped in the transformer in iknsulating liquid.At present, the high-tension coil of the dry-type transformer of domestic production and low-voltage coil are mostly the independent members being separated from each other, in the time need to and depositing the electrical network of the power consumption equipment power supply of multiple different electric pressures or multi-voltage grade, many transformers and corresponding corollary equipment need to be set conventionally, not only floor space is large, electricity consumption production cost is higher, and kwh loss is serious in many transformer voltage transfer processes, increased the electric cost of power consumption equipment.
Utility model content
The purpose of this utility model is to provide a kind of multi-voltage dry transformer, can access respectively 10KV and 6KV high voltage source, and can produce the supply power voltage of 600V and 400V simultaneously, has effectively improved the service efficiency of transformer, reduces electricity loss.
The technical solution of the utility model is: a kind of multi-voltage dry transformer, it is characterized in that: this transformer is mainly by high-tension coil, iron core, low-voltage coil and insulating cylinder form, described low-voltage coil is arranged at iron core outside, described insulating cylinder is located between low-voltage coil and high-tension coil, high-tension coil is provided with high-voltage terminal, comprise A termination line end, B termination line end and C termination line end, high-tension coil is three-phase high voltage coil, comprise AX phase, BY phase and CZ phase, three-phase high voltage coil is provided with joint lines, this joint lines comprises star connection, Y connection line and delta connection line, wherein the high-voltage terminal of star connection, Y connection line accesses 10KV voltage, the high-voltage terminal access 6KV voltage of delta connection line, low-voltage coil is provided with two voltage taps, this pair of voltage tap is provided with low voltage terminal, comprise 400V and 600V voltage terminal, 400V voltage terminal comprises a1 terminals, b1 terminals and c1 terminals, and 600V voltage terminal comprises a2 terminals, b2 terminals and c2 terminals.
Preferably, described high-tension coil is provided with the bucking coil that high tension voltage is carried out to fine adjustment.
Preferably, described high-tension coil adopts segmentation multi-layer cylinder formula structure.
Preferably, described high-tension coil and low-voltage coil are rectangular configuration.
Preferably, the foil coil of described low-voltage coil for being turned at special-purpose coil winding machine by metal forming and preimpregnation cloth.
Preferably, the outer guard shield that is arranged with of described high-tension coil, high-tension coil is provided with SMD temperature sensor, and guard shield is provided with the temperature controller being electrically connected with this temperature sensor.
The utility model beneficial effect is compared with prior art:
(1) this transformer is mainly by high-tension coil, iron core, low-voltage coil and insulating cylinder form, high-tension coil is for being provided with joint lines, this joint lines comprises star connection, Y connection line and delta connection line, the high-voltage terminal access 10KV voltage of star connection, Y connection line, the high-voltage terminal access 6KV voltage of delta connection line, the circuit that can meet 6KV and 10KV electrical network simultaneously and deposit, low-voltage coil is provided with two voltage taps, 400V and 600V low-tension supply can be provided simultaneously, to meet the power consumption equipment of different electric pressures, not only open up the application of transformer, effectively improved the service efficiency of transformer, reduce electricity loss,
(2) this transformer is provided with the bucking coil that high tension voltage is carried out to fine adjustment; can be according to power network fluctuation; the high tension voltage of fine adjustment transformer; effectively improved the accuracy of voltage transitions; the high-tension coil of this transformer is provided with SMD temperature sensor; the temperature controller that this temperature sensor and guard shield are provided with is electrically connected, and transformer is detected in real time and protected, and guarantees the fail safe of voltage transitions process.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model star connection, Y connection line;
Fig. 2 is the structural representation of the utility model delta connection line;
Fig. 3 is the structural representation of the utility model low voltage terminal.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described:
Referring to Fig. 1, Fig. 2 and Fig. 3, a kind of multi-voltage dry transformer, this transformer is mainly by high-tension coil, iron core, low-voltage coil and insulating cylinder form, the foil coil of low-voltage coil for being turned at special-purpose coil winding machine by metal forming and preimpregnation cloth, low-voltage coil is arranged at iron core outside, insulating cylinder is located between low-voltage coil and high-tension coil, high-tension coil adopts segmentation multi-layer cylinder formula structure, effectively reduce the partial discharge quantity of coil, and increase coil area of dissipation, in addition, high-tension coil is provided with the bucking coil that high tension voltage is carried out to fine adjustment, can be according to power network fluctuation, the high tension voltage of fine adjustment transformer, effectively improved the accuracy of voltage transitions, iron core, high-tension coil and low-voltage coil are rectangular configuration, and high-tension coil and low-voltage coil uniform winding, on rectangle iron core, adopt rectangular configuration effectively to shorten the length of magnetic path.
The high-tension coil of this transformer is provided with high-voltage terminal, comprise A termination line end, B termination line end and C termination line end, high-tension coil is three-phase high voltage coil, comprise AX phase, BY phase and CZ phase, three-phase high voltage coil is provided with joint lines, and this joint lines comprises star connection, Y connection line and delta connection line, wherein the high-voltage terminal of star connection, Y connection line access 10KV voltage, the high-voltage terminal access 6KV voltage of delta connection line, the circuit that can meet 6KV and 10KV electrical network simultaneously and deposit; Low-voltage coil is provided with two voltage taps, this pair of voltage tap is provided with low voltage terminal, comprise 400V and 600V voltage terminal, 400V voltage terminal comprises a1 terminals, b1 terminals and c1 terminals, 600V voltage terminal comprises a2 terminals, b2 terminals and c2 terminals, when this transformer accesses the electrical network of 10KV, while adopting star connection, Y connection line, two voltage tap ends of low-voltage coil can produce the low-tension supply of 400V and 600V; When this transformer accesses the electrical network of 6KV, while adopting delta connection line, two voltage tap ends of low-voltage coil can produce the low-tension supply of 400V and 600V, not only open up the application of transformer, effectively improve the service efficiency of transformer, reduced electricity loss.
The outer guard shield that is arranged with of the high-tension coil of this transformer; high-tension coil is provided with SMD temperature sensor; guard shield is provided with the temperature controller being electrically connected with this temperature sensor, and transformer is detected in real time and protected, and guarantees the fail safe of voltage transitions process.
Claims (6)
1. a multi-voltage dry transformer, it is characterized in that: this transformer is mainly by high-tension coil, iron core, low-voltage coil and insulating cylinder form, described low-voltage coil is arranged at iron core outside, described insulating cylinder is located between low-voltage coil and high-tension coil, high-tension coil is provided with high-voltage terminal, comprise A termination line end, B termination line end and C termination line end, high-tension coil is three-phase high voltage coil, comprise AX phase, BY phase and CZ phase, three-phase high voltage coil is provided with joint lines, this joint lines comprises star connection, Y connection line and delta connection line, wherein the high-voltage terminal of star connection, Y connection line accesses 10KV voltage, the high-voltage terminal access 6KV voltage of delta connection line, low-voltage coil is provided with two voltage taps, this pair of voltage tap is provided with low voltage terminal, comprise 400V and 600V voltage terminal, 400V voltage terminal comprises a1 terminals, b1 terminals and c1 terminals, and 600V voltage terminal comprises a2 terminals, b2 terminals and c2 terminals.
2. multi-voltage dry transformer according to claim 1, is characterized in that: described high-tension coil is provided with the bucking coil that high tension voltage is carried out to fine adjustment.
3. multi-voltage dry transformer according to claim 1, is characterized in that: described high-tension coil adopts segmentation multi-layer cylinder formula structure.
4. multi-voltage dry transformer according to claim 1, is characterized in that: described high-tension coil and low-voltage coil are rectangular configuration.
5. multi-voltage dry transformer according to claim 1, is characterized in that: the foil coil of described low-voltage coil for being turned at special-purpose coil winding machine by metal forming and preimpregnation cloth.
6. multi-voltage dry transformer according to claim 1, it is characterized in that: the outer guard shield that is arranged with of described high-tension coil, high-tension coil is provided with SMD temperature sensor, and guard shield is provided with the temperature controller being electrically connected with this temperature sensor.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201420169945.1U CN203787268U (en) | 2014-04-10 | 2014-04-10 | Multi-voltage dry transformer |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201420169945.1U CN203787268U (en) | 2014-04-10 | 2014-04-10 | Multi-voltage dry transformer |
Publications (1)
Publication Number | Publication Date |
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CN203787268U true CN203787268U (en) | 2014-08-20 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201420169945.1U Expired - Fee Related CN203787268U (en) | 2014-04-10 | 2014-04-10 | Multi-voltage dry transformer |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106571213A (en) * | 2016-10-28 | 2017-04-19 | 许继集团有限公司 | Y-shaped connection transformer |
-
2014
- 2014-04-10 CN CN201420169945.1U patent/CN203787268U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106571213A (en) * | 2016-10-28 | 2017-04-19 | 许继集团有限公司 | Y-shaped connection transformer |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140820 |
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CF01 | Termination of patent right due to non-payment of annual fee |