CN203104304U - Novel head and tail two-end independent load self-coupling voltage-adjustment combination rectifying transformer - Google Patents
Novel head and tail two-end independent load self-coupling voltage-adjustment combination rectifying transformer Download PDFInfo
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- CN203104304U CN203104304U CN 201320002552 CN201320002552U CN203104304U CN 203104304 U CN203104304 U CN 203104304U CN 201320002552 CN201320002552 CN 201320002552 CN 201320002552 U CN201320002552 U CN 201320002552U CN 203104304 U CN203104304 U CN 203104304U
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Abstract
A novel head and tail two-end independent load self-coupling voltage-adjustment combination rectifying transformer comprises a voltage-adjustment transformer and two rectifying transformers, wherein the transformers are same in each phase structure comprising a high voltage coil, a head self-coupling voltage-adjustment coil, a tail self-coupling voltage-adjustment coil, a head load voltage-adjustment switch and a tail load voltage-adjustment switch; the head self-coupling voltage-adjustment coil and the head load voltage-adjustment switch are combined to connect with a head of a high voltage coil of the voltage-adjustment transformer and are connected with the high voltage coil of the voltage-adjustment transformer in parallel. Variable voltage is supplied to a high voltage coil of the two rectifying transformers by switch voltage adjustment to form coarse adjusting voltage. The tail self-coupling voltage-adjustment coil and the tail load voltage-adjustment switch are combined to connect with a tail of a high voltage coil of the rectifying transformers to form fine voltage adjustment. A coarse adjusting switch and a fine adjusting switch of the novel head and tail two-end independent load self-coupling voltage-adjustment combination rectifying transformer are completely separated, so that voltage adjusting scope is large, voltage adjusting stages are various, low-voltage output voltage is smooth, operation performance is stable, harmonic wave because of rectifying can be reduced, power factor and production efficiency of a rectifying system are raised, and manufacturing cost is reduced.
Description
Technical field
The utility model relates to field transformer, and particularly a kind of novel novel head and end independently has the self-coupling of carrying combination rectifier transformer.
Background technology
The self-coupling rectifier transformer is at present usually in the following way: tap changer is placed on the pressure regulation of self coupling wiring tail end 1.; 2. tap changer is placed on the pressure regulation of self coupling wiring head end.The common issue with of two kinds of scheme existence is:
1. tap changer is as coarse adjustment, each step voltage difference of rectifier transformer low pressure output is bigger, the transformer tap changer can not meet the demands when requiring to finely tune output voltage, can only pass through saturable reactor, perhaps comes output is finely tuned by the pilot angle of regulating the rectifier cabinet thyristor;
2. the saturable reactor operation troubles is more when regulating output voltage with saturable reactor, and manufacturing cost is also high; Pilot angle increases the power factor decline that causes whole commutation system when regulating output voltage with thyristor.
Summary of the invention
The purpose of this utility model is to provide a kind of novel head and end that the self-coupling of carrying combination rectifier transformer is independently arranged, to overcome the deficiency that above-mentioned prior art exists.
The technical scheme that the utility model is taked is: a kind of novel head and end independently has the self-coupling of carrying combination rectifier transformer, comprise that a pressure regulation becomes and two rectifications become, it is identical that described pressure regulation becomes each phase structure, comprise high-tension coil, head end self-coupling coil, tail end self-coupling coil, head end on-load voltage regulating switch and tail end on-load voltage regulating switch, the combination of described head end self-coupling coil and head end on-load voltage regulating switch is connected on that pressure regulation uprises line ball circle head end and to uprise the line ball circle in parallel with pressure regulation, by the switch pressure regulation variable voltage is supplied with rectification and uprise line ball circle formation coarse adjustment pressure regulation, described tail end self-coupling coil and the combination of tail end on-load voltage regulating switch are connected on rectification and uprise line ball circle tail end formation fine tuning pressure regulation; Described head end self-coupling coil one termination high-tension coil head end, each tap of head end self-coupling coil is connected with each gear of head end on-load voltage regulating switch, and the displacement output shelves of head end on-load voltage regulating switch connect the input that rectification uprises pressure; Described tail end self-coupling coil one termination rectification uprises the pressure tail end, each tap of tail end self-coupling coil is connected with each gear of tail end on-load voltage regulating switch, and the displacement shelves of tail end on-load voltage regulating switch are connected into that Y connects, its neutral point uprises with pressure regulation and presses neutral point to link to each other.
Its further technical scheme is: described head end on-load voltage regulating switch is the three-phase synchronize changer, can change adjusting between 1～8 grade, be positioned at head end on-load voltage regulating switch that pressure regulation becomes each phase respectively with each head end self-coupling coil combination mutually; Described tail end on-load voltage regulating switch is the three-phase synchronize changer, can change adjusting between 1～10 grade, be positioned at rectification uprise press each phase the tail end on-load voltage regulating switch respectively with each tail end self-coupling coil combination mutually.
Its further technical scheme be: described two rectifications uprise press to adopt the tortuous phase shift mode of connection, phase shift+15 °, another phase shift-15 °.Described pressure regulation becomes outfit compensation winding.
Owing to take technique scheme, the novel head and end of the utility model independently to have the self-coupling of carrying combination rectifier transformer to have following beneficial effect:
1. the novel head and end of the utility model independently has the self-coupling of carrying combination rectifier transformer, on-load voltage regulating switch is placed on the head end and the end of the wiring of self-coupling combination rectifier transformer self coupling, what be placed on the self coupling head end can carry out coarse adjustment, what be placed on tail end can fine tuning, two switches independent operation are separately regulated output voltage, the efficient of whole commutation system is improved, and through the combination of two switches, can form the characteristics that range of regulation is big and pressure regulation progression is many, make the low pressure output voltage of rectifier transformer more level and smooth;
2. novel head and end independently has its coarse adjustment switch of the self-coupling of carrying combination rectifier transformer, is head end on-load voltage regulating switch and fine tuning switch, is that the tail end on-load voltage regulating switch separates fully, pressure regulation separately separately, the power factor that can not cause commutation system descends, do not change the loss of whole system, do not influence the operation of whole commutation system and stable; The rectifier transformer manufacturing cost of band saturable reactor is lower relatively;
3. the novel head and end of the utility model independently has the self-coupling of carrying combination rectifier transformer, and two rectifications uprise to press adopts the tortuous phase shift mode of connection, has increased system's rectification pulse number, can reduce the harmonic wave that produces because of rectification;
4. the novel head and end of the utility model independently has the self-coupling of carrying combination rectifier transformer, its pressure regulation change is provided with the compensation winding, can carry out reactive power compensation to whole commutation system by the compensation winding, can be under the prerequisite that guarantees properties of product, improve power factor, production efficiency, runnability and the stability of whole commutation system, reduce manufacturing cost.
Independently there is a technical characterictic that carries self-coupling combination rectifier transformer device to be further described below in conjunction with drawings and Examples to the novel head and end of the utility model.
Description of drawings
Fig. 1: the novel head and end of the utility model independently has the wiring schematic diagram that carries self-coupling combination rectifier transformer;
Fig. 2: existing tap changer is placed on the self-coupling rectifier transformer wiring schematic diagram of self coupling wiring head end pressure regulation;
Fig. 3: existing tap changer is placed on the self-coupling rectifier transformer wiring schematic diagram of self coupling wiring tail end pressure regulation.
Among the figure:
I-pressure regulation becomes, and II-rectification becomes, and III-rectification becomes,
Ks(Ksa, Ksb, Ksc)-the head end on-load voltage regulating switch, Kw(Kwa, Kwb, Kwc)-the tail end on-load voltage regulating switch;
L(La, Lb, Lc)-high-tension coil, Ls(Lsa, Lsb, Lsc)-head end self-coupling coil, Lw(Lwa, Lwb, Lwc)-tail end self-coupling coil, Lo(Loa, Lob, Loc)-the compensation winding.
Embodiment
Embodiment
A kind of novel head and end independently has the self-coupling of carrying combination rectifier transformer, comprise that a pressure regulation becomes I and two rectifications become II and III, it is identical that described pressure regulation becomes each phase structure, comprise high-tension coil L(La, Lb, Lc), head end self-coupling coil Ls(Lsa, Lsb, Lsc), tail end self-coupling coil Lw(Lwa, Lwb, Lwc), head end on-load voltage regulating switch Ks(Ksa, Ksb, Ksc) and tail end on-load voltage regulating switch Kw(Kwa, Kwb, Kwc), described head end self-coupling coil Ls(Lsa, Lsb, Lsc) with head end on-load voltage regulating switch Ks(Ksa, Ksb, Ksc) combination is connected on pressure regulation and uprises line ball circle L(La, Lb, Lc) head end and in parallel with high-tension coil L, by the switch pressure regulation variable voltage is supplied with the high-tension coil formation coarse adjustment pressure regulation that rectification becomes II and III, described tail end self-coupling coil Lw(Lwa, Lwb, Lwc) with tail end on-load voltage regulating switch Kw(Kwa, Kwb, Kwc) combination is connected on the tail end that rectification uprises the line ball circle, forms the fine tuning pressure regulation by the switch pressure regulation; Described head end self-coupling coil Ls one termination high-tension coil L head end, each gear of each tap and Ks of head end self-coupling coil is connected, and the displacement output shelves of head end on-load voltage regulating switch Ks connect the high voltage input terminal that rectification becomes; The high pressure tail end that described tail end self-coupling coil Lw one termination rectification becomes, each tap of tail end self-coupling coil Lw is connected with each gear of tail end on-load voltage regulating switch Kw, the displacement shelves of tail end on-load voltage regulating switch Kw are connected into that Y connects, its neutral point uprises with pressure regulation and presses neutral point to link to each other, and promptly tail end on-load voltage regulating switch neutral point uprises line ball circle L tail end with pressure regulation and links to each other.
Described head end on-load voltage regulating switch Ks is the three-phase synchronize changer, can between 1～8 grade, change adjusting, the head end on-load voltage regulating switch Ksa, the Ksb that are positioned at A, B, each phase of C uprise with pressure regulation respectively with Ksc and press each head end self-coupling coil Lsa, Lsb and Lsc combination mutually, that is:
The head end on-load voltage regulating switch Ksa of A phase and A head end self-coupling coil Lsa combination mutually, the head end of the termination A phase high-tension coil La of A phase head end self coupling coil Lsa also connects the A phase input that pressure regulation becomes simultaneously, each tap of A phase head end self-coupling coil Lsa and A each gear connection of head end on-load voltage regulating switch Ksa mutually, the displacement output shelves of A phase head end on-load voltage regulating switch Ksa connect the A phase high voltage input terminal that rectification becomes;
The head end on-load voltage regulating switch Ksb of B phase and B head end self-coupling coil Lsb combination mutually, the head end of the termination B phase high-tension coil Lb of B phase head end self-coupling coil Lsb connects the B phase input that pressure regulation becomes simultaneously, each tap of B phase head end self-coupling coil Lsb and B each gear connection of head end on-load voltage regulating switch Ksb mutually, the displacement output shelves of B phase head end on-load voltage regulating switch Ksb connect the B phase high voltage input terminal that rectification becomes;
The head end on-load voltage regulating switch Ksc of C phase and C head end self-coupling coil Lsc combination mutually, the head end of the termination high-tension coil Lc of Lsc connects the C phase input that pressure regulation becomes simultaneously, each tap of C phase head end self-coupling coil Lsc and C each gear connection of head end on-load voltage regulating switch Ksc mutually, the displacement output shelves of C phase head end on-load voltage regulating switch Ksc connect the C phase high voltage input terminal that rectification becomes.
Described tail end on-load voltage regulating switch Kw is the three-phase synchronize changer, can change adjusting between 1～10 grade, and the tail end on-load voltage regulating switch that is positioned at rectification change A, B, each phase of C makes up with each tail end self-coupling coil Lwa, Lwb and Lwc mutually respectively, that is:
The tail end on-load voltage regulating switch Kwa of A phase and A tail end self-coupling coil Lwa combination mutually, the A phase high pressure tail end that the termination rectification of A phase tail end self-coupling coil Lwa becomes, each tap of A phase tail end self-coupling coil Lwa and A each gear connection of tail end on-load voltage regulating switch Kwa mutually;
The tail end on-load voltage regulating switch Kwb of B phase and B tail end self-coupling coil Lwb combination mutually, the B phase high pressure tail end that the termination rectification of B phase tail end self-coupling coil Lwb becomes, each tap of B phase tail end self-coupling coil Lwb and B each gear connection of tail end on-load voltage regulating switch Kwb mutually;
The tail end on-load voltage regulating switch Kwc of C phase and C tail end self-coupling coil Lwc combination mutually, the C phase high pressure tail end that the termination rectification of C phase tail end self-coupling coil Lwc becomes, each tap of C phase tail end self-coupling coil Lwc and C each gear connection of tail end on-load voltage regulating switch Kwc mutually;
The displacement shelves of the displacement shelves of the displacement shelves of A phase tail end on-load voltage regulating switch Kwa, B phase tail end on-load voltage regulating switch Kwb and C phase tail end on-load voltage regulating switch Kwc are connected into Y and connect, and it is the tail end of La, Lb, Lc that its neutral point connects the neutral point that pressure regulation uprises line ball circle L;
Described two rectifications uprise press to adopt the tortuous phase shift mode of connection, phase shift+15 °, another phase shift-15.
Described pressure regulation becomes outfit compensation winding L o(Loa, Lob, Loc).
Claims (4)
1. a novel head and end independently has the self-coupling of carrying combination rectifier transformer, comprise that a pressure regulation becomes (I) and two rectifications become (II, III), it is characterized in that: it is identical that described pressure regulation becomes each phase structure, comprise high-tension coil (L), head end self-coupling coil (Ls), tail end self-coupling coil (Lw), head end on-load voltage regulating switch (Ks) and tail end on-load voltage regulating switch (Kw), the combination of described head end self-coupling coil (Ls) and head end on-load voltage regulating switch (Ks) is connected on that pressure regulation uprises line ball circle (L) head end and to uprise the line ball circle in parallel with pressure regulation, by the switch pressure regulation variable voltage is supplied with rectification and uprise line ball circle formation coarse adjustment pressure regulation, described tail end self-coupling coil (Lw) is connected on rectification with tail end on-load voltage regulating switch (Kw) combination and uprises line ball circle tail end formation fine tuning pressure regulation; Described head end self-coupling coil (Ls) termination pressure regulation uprises line ball circle head end, each tap of head end self-coupling coil (Ls) is connected with each gear of head end on-load voltage regulating switch (Ks), and the displacement output shelves of head end on-load voltage regulating switch (Ks) connect the input that rectification uprises pressure; Described tail end self-coupling coil (Lw) termination rectification uprises the pressure tail end, each tap of tail end self-coupling coil is connected with each gear of tail end on-load voltage regulating switch (Kw), and the displacement shelves of tail end on-load voltage regulating switch (Kw) are connected into that Y connects, its neutral point uprises with pressure regulation and presses neutral point to link to each other.
2. novel head and end according to claim 1 independently has the self-coupling of carrying combination rectifier transformer, it is characterized in that: described head end on-load voltage regulating switch (Ks) is the three-phase synchronize changer, can between 1～8 grade, change adjusting, be positioned at pressure regulation uprise press each phase head end head end on-load voltage regulating switch (Ksa, Ksb, Ksc) respectively with each head end self-coupling coil (Lsa, Lsb, Lsc) combination mutually; Described tail end on-load voltage regulating switch (Kw) is the three-phase synchronize changer, can between 1～10 grade, change adjusting, be positioned at tail end on-load voltage regulating switch (Kwa, Kwb, Kwc) that rectification uprises the tail end of pressing each phase respectively with each tail end self-coupling coil (Lwa, Lwb, Lwc) combination mutually.
3. novel head and end according to claim 1 and 2 independently has and carries a self-coupling combination rectifier transformer, and it is characterized in that: described two rectifications uprise to press adopts the tortuous phase shift mode of connection, phase shift+15 °, another phase shift-15 °.
4. novel head and end according to claim 3 independently has the self-coupling of carrying combination rectifier transformer, it is characterized in that: described pressure regulation becomes outfit compensation winding (Lo).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320002552 CN203104304U (en) | 2013-01-05 | 2013-01-05 | Novel head and tail two-end independent load self-coupling voltage-adjustment combination rectifying transformer |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201320002552 CN203104304U (en) | 2013-01-05 | 2013-01-05 | Novel head and tail two-end independent load self-coupling voltage-adjustment combination rectifying transformer |
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| CN203104304U true CN203104304U (en) | 2013-07-31 |
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| CN 201320002552 Expired - Fee Related CN203104304U (en) | 2013-01-05 | 2013-01-05 | Novel head and tail two-end independent load self-coupling voltage-adjustment combination rectifying transformer |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN105260496A (en) * | 2015-08-01 | 2016-01-20 | 北华大学 | Design method of electromagnetic parameter of on-load voltage regulation transformer with big secondary voltage differential |
-
2013
- 2013-01-05 CN CN 201320002552 patent/CN203104304U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN105260496A (en) * | 2015-08-01 | 2016-01-20 | 北华大学 | Design method of electromagnetic parameter of on-load voltage regulation transformer with big secondary voltage differential |
| CN105260496B (en) * | 2015-08-01 | 2019-09-03 | 北华大学 | Design method of electromagnetic parameters of on-load tap changer with large secondary voltage difference |
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Effective date of registration: 20151109 Address after: 536000, Tibet Beihai Road, the Guangxi Zhuang Autonomous Region Galaxy software technology park, 1, expert entrepreneurship zone Patentee after: BEIHAI GALAXY BIOMED INDUSTRY INVESTMENT Co.,Ltd. Address before: 545006 the Guangxi Zhuang Autonomous Region Liuzhou City, Liuzhou city and the Industrial District Yang Xu Road No. 6 Patentee before: GUANGXI LIUZHOU SPECIAL TRANSFORMER Co.,Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130731 Termination date: 20220105 |
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| CF01 | Termination of patent right due to non-payment of annual fee |