CN201562572U - Multistage composite voltage-regulating autotransformer for silicon carbide rectifying transformation - Google Patents
Multistage composite voltage-regulating autotransformer for silicon carbide rectifying transformation Download PDFInfo
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- CN201562572U CN201562572U CN2009202772472U CN200920277247U CN201562572U CN 201562572 U CN201562572 U CN 201562572U CN 2009202772472 U CN2009202772472 U CN 2009202772472U CN 200920277247 U CN200920277247 U CN 200920277247U CN 201562572 U CN201562572 U CN 201562572U
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Abstract
The utility model discloses a multistage composite voltage-regulating autotransformer for silicon carbide rectifying transformation, which is characterized in that each phase-shift coil is connected with a primary positive and negative on-load tap-changer fittingly, the primary positive and negative on-load tap-changer is connected with a primary voltage regulating coil which is connected with a primary coarse and fine control switch, the phase-shift coil is further connected with a conducting wire, the other end of the conducting wire matches with an output end of each gear of the primary coarse and fine control switch to form a primary voltage regulating main switch, the primary voltage regulating main switch is connected with a secondary positive and negative on-load tap-changer which is connected with a secondary voltage regulating coil, the secondary voltage regulating coil is connected with a secondary coarse and fine control switch, each secondary positive and negative on-load tap-changer is connected with a conducting wire, the other end of the conducting wire matches with an output end of each gear of the secondary coarse and fine control switch to form a secondary voltage regulating main switch, the primary voltage regulating main switch is connected with a bypass coil which is connected with a conducting wire, and the other end of the conducting wire is then connected with the conducting wire which is connected with each secondary positive and negative on-load tap-changer. The multistage composite voltage-regulating autotransformer can actuate continuous production operations without interruption and has multiple voltage regulating gears.
Description
Technical field
The utility model belongs to the improvement of transformer device structure, particularly carborundum rectification change multistage composite regulating autotransformer.
Background technology
Present large-scale carborundum all designs by switches such as 35 grades of monomers or thickness accent with the gear of autotransformer, and reach 12 pulses, following dual mode is arranged generally speaking: 1. add a no load switch and finish with one 27 grades or 35 grades of loaded switchs, 54 grades or 70 grades of voltage regulation functions, its shortcoming is must be through the conversion under power down mode, can't realize the automatic monitoring in the overall process and produces continuously; 2. use 3 phase-splitting on-load coarse and fine tune switches, (its maximum progression can reach 117 grades), its shortcoming is the cost height, and volume is big, and the output voltage extreme difference is identical, and the user does not generally adopt this series products.
The utility model content
The purpose of this utility model is to provide a kind of carborundum rectification to become and uses the multistage composite regulating autotransformer, and it is rational in infrastructure, need not to have a power failure and satisfies the requirement of continuous production operation, and the pressure regulation gear is many.
The utility model is achieved in that a kind of carborundum rectification change multistage composite regulating autotransformer, three phase shift coils end separately join by circuit and three phase mains respectively, three phase shift coils other end separately are connected with three output coil one ends by circuit respectively, the mutual tandem of the other end of output coil makes the output line circle form the output coil group of star connection, each phase shift coil other end separately just is being connected one-level, the anti-loaded switch of transferring, one-level just, anti-loaded switch and the one-level voltage regulation coil transferred is connected, one-level voltage regulation coil and one-level are thick, the connection that matches of fine tuning switch, each phase shift coil is connected with lead, and the lead other end and one-level are thick, each gear output of fine tuning switch matches and constitutes the total tap changer of one-level; The positive and negative accent loaded switch of total tap changer of one-level and secondary is connected, positive and negative accent loaded switch of secondary and secondary voltage regulation coil are connected, the secondary voltage regulation coil is thick with secondary, the fine tuning switch matches and is connected, the positive and negative accent loaded switch of each secondary is connected with lead, the other end of lead is thick with secondary, each gear output of fine tuning switch matches constitutes the total tap changer of secondary, the total tap changer of one-level also is connected with bypass coil, bypass coil is connected with lead, and the other end of lead is connected with lead.
As shown from the above technical solution, the utility model matches to be connected by the positive and negative tune switch of two-stage, voltage regulation coil and two-stage thickness tune switch and realizes multistage combination gear regulating and controlling voltage, can reach the purpose of under the situation of not cutting off the power supply, carrying out pressure regulation, its compact conformation need not to increase simultaneously the fuel tank size again and increases investment cost.
Description of drawings
The utility model is described in further detail below in conjunction with accompanying drawing.
Accompanying drawing is a circuit connection structure schematic diagram of the present utility model.
Embodiment
A kind of carborundum rectification becomes uses the multistage composite regulating autotransformer, as shown in drawings, three phase shift coils 1 end separately join by circuit and three phase mains respectively, three phase shift coils 1 other end separately are connected with three output coil 7 one ends by circuit respectively, the mutual tandem of the other end of output coil 7 makes output coil 7 form the output coil group of star connection, each phase shift coil 1 other end separately just is being connected one-level, the anti-loaded switch 2 of transferring, one-level just, anti-loaded switch 2 and the one-level voltage regulation coil 8 transferred is connected, one-level voltage regulation coil 8 is thick with one-level, fine tuning switch 3 connection that matches, each phase shift coil 1 is connected with lead 9, and lead 9 other ends and one-level are thick, each gear output of fine tuning switch 3 matches and constitutes the total tap changer of one-level; The positive and negative accent loaded switch 4 of total tap changer of one-level and secondary is connected, the positive and negative accent loaded switch 4 of secondary is connected with secondary voltage regulation coil 6, secondary voltage regulation coil 6 is thick with secondary, fine tuning switch 13 matches and is connected, the positive and negative accent loaded switch 4 of each secondary is connected with lead 12, the other end of lead 12 is thick with secondary, each gear output of fine tuning switch 13 matches constitutes the total tap changer of secondary, the total tap changer of one-level also is connected with bypass coil 5, bypass coil 5 is connected with lead 11, and the other end of lead 11 is connected with lead 12.
The total tap changer of each secondary input by circuit and rectifier transformer respectively matches and is connected.
Described rectifier transformer is made of the three-phase primary coil groups 14 of star connection, the three-phase primary coil groups 15 of delta connection and the three-phase secondary coil group 16 and 17 of two delta connections, 16 corresponding cooperations constitute the star rectifier transformers with the secondary coil group for 14 groups of three-phase primary coils, and 17 groups of corresponding cooperations of three-phase primary coil groups 15 and secondary coil constitute the triangle rectifier transformers; Each is thick, fine tuning switch 3 links to each other by the output of circuit with star rectifier transformer, triangle rectifier transformer respectively.
Comprise on the CVIII type loaded switch of delta connection of two 27 grades (shelves) and the every phase coil three separate voltage regulation coils are arranged, the continuous multi-stage pressure regulation is carried out in series connection by two 27 grades (shelves) V-type switches, thereby satisfies big, 27 grades of less technological requirements of (shelves) pressure reduction in back of 27 grades of (shelves) differences in front in the carborundum smelting process.
Output voltage can be realized preceding 27 grades of (shelves) coarse adjustment, 27 grades of (shelves) fine tunings in back, or the multistage composite voltage regulating mode that combines with fine tuning of coarse adjustment (its maximum transfer the files number be 27 * 27 grades in theory), and can connect the aforesaid rectifier transformer of triangle and star connection after the way of output simultaneously, thereby satisfy the demand of 12 pulse waves.
Comprise two positive and negative tune switches of CV type on each phase source of the utility model, wherein autotransformer is made up of 3 voltage regulation coils and 2 basic coils, by two switches all voltage regulation coils is together in series, to reach the function of multi-stage pressure regulating.
Because the utility model has increased a switch (positive and negative tune switch and a thickness tune switch) and one group of pressure regulation winding again on existing common variac structure, in order to reduce the repetition shelves, special consideration is connected with the V-type switch and the V-type switch thick, that fine tuning is pressed of a positive and negative pressure regulation during design.As long as its electric pressure is below the 63kV level, electric current is that 500A all can use the utility model with all interior voltage regulating transformers.
The utility model all is made up of two switches (being positive and negative tune switch and thickness tune switch) and three voltage regulation coils on each phase voltage, and switch is positive and negative two grades of tap changers, and switch is thick, the fine tuning switch of 23 or 27 or 35 grades (shelves).
In the work, also can take positive and negative tune switch to move a position when intact, thick, fine tuning switch can be transferred multiposition continuously, and it is movable 23 grades (shelves) or 27 grades (shelves) even 35 grades (shelves) at most.If thick, fine tuning switch has 23 grades, its switched voltage output value is 23 * 23=529, deducts the repetition shelves, and its final voltage range is about about 200 levels (shelves), and can guarantee all has less pressure reduction in whole processing range.Be similar to the characteristics of stepless voltage regulation, to guarantee the product of output optimum.The using method of the multi-stage pressure regulating autotransformer that other all kinds, the rectifier transformer of all size are used therewith roughly the same.
Claims (3)
1. a carborundum rectification becomes and uses the multistage composite regulating autotransformer, three phase shift coils (1) end separately join by circuit and three phase mains respectively, three phase shift coils (1) other end separately are connected with three output coils (7) one ends by circuit respectively, the mutual tandem of the other end of output coil (7) makes output coil (7) form the output coil group of star connection, it is characterized in that: each phase shift coil (1) other end separately just is being connected one-level, the anti-loaded switch (2) of transferring, one-level just, anti-loaded switch (2) and the one-level voltage regulation coil (8) transferred is connected, one-level voltage regulation coil (8) is thick with one-level, fine tuning switch (3) connection that matches, each phase shift coil (1) is connected with lead (9), and lead (9) other end and one-level are thick, each gear output of fine tuning switch (3) matches and constitutes the total tap changer of one-level; Total tap changer of one-level and secondary are just, the anti-loaded switch (4) of transferring is connected, secondary just, anti-loaded switch (4) and the secondary voltage regulation coil (6) transferred is connected, secondary voltage regulation coil (6) is thick with secondary, fine tuning switch (13) connection that matches, each secondary just, the anti-loaded switch (4) of transferring is connected with lead (12), the other end and the secondary of lead (12) are thick, each gear output of fine tuning switch (13) matches and constitutes the total tap changer of secondary, the total tap changer of one-level also is connected with bypass coil (5), bypass coil (5) is connected with lead (11), and the other end of lead (11) is connected with lead (12).
2. carborundum rectification according to claim 1 becomes uses the multistage composite regulating autotransformer, it is characterized in that: the total tap changer of each secondary input by circuit and rectifier transformer respectively matches and is connected.
3. carborundum rectification according to claim 2 becomes uses the multistage composite regulating autotransformer, it is characterized in that: described rectifier transformer is made of the three-phase primary coil groups (14) of star connection, the three-phase primary coil groups (15) of delta connection and three-phase secondary coil group (16) and (17) of two delta connections, the corresponding cooperation with secondary coil group (16) of three-phase primary coil (14) group constitutes the star rectifier transformer, and corresponding cooperation constitutes the triangle rectifier transformer to three-phase primary coil groups (15) with secondary coil (17) group; Each is thick, fine tuning switch (3) links to each other by the output of circuit with star rectifier transformer, triangle rectifier transformer respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202772472U CN201562572U (en) | 2009-12-11 | 2009-12-11 | Multistage composite voltage-regulating autotransformer for silicon carbide rectifying transformation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202772472U CN201562572U (en) | 2009-12-11 | 2009-12-11 | Multistage composite voltage-regulating autotransformer for silicon carbide rectifying transformation |
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| Publication Number | Publication Date |
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| CN201562572U true CN201562572U (en) | 2010-08-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202772472U Expired - Lifetime CN201562572U (en) | 2009-12-11 | 2009-12-11 | Multistage composite voltage-regulating autotransformer for silicon carbide rectifying transformation |
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| CN (1) | CN201562572U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102403910A (en) * | 2010-09-14 | 2012-04-04 | 保定天威集团(江苏)五洲变压器有限公司 | Voltage-regulating rectifier transformer |
| CN103023347A (en) * | 2013-01-05 | 2013-04-03 | 广西柳州特种变压器有限责任公司 | Novel on-load-tap-changing combined rectifier auto-transformer with independent ends |
-
2009
- 2009-12-11 CN CN2009202772472U patent/CN201562572U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102403910A (en) * | 2010-09-14 | 2012-04-04 | 保定天威集团(江苏)五洲变压器有限公司 | Voltage-regulating rectifier transformer |
| CN103023347A (en) * | 2013-01-05 | 2013-04-03 | 广西柳州特种变压器有限责任公司 | Novel on-load-tap-changing combined rectifier auto-transformer with independent ends |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100825 |
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| CX01 | Expiry of patent term |