CN206379261U - A kind of biswitch combines voltage regulating rectifier transformer - Google Patents
A kind of biswitch combines voltage regulating rectifier transformer Download PDFInfo
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- CN206379261U CN206379261U CN201720032654.1U CN201720032654U CN206379261U CN 206379261 U CN206379261 U CN 206379261U CN 201720032654 U CN201720032654 U CN 201720032654U CN 206379261 U CN206379261 U CN 206379261U
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Abstract
A kind of biswitch combines voltage regulating rectifier transformer, including adjustable transformer, rectifier transformer and coarse adjustment winding and fine tuning winding for pressure regulation, and rectifier transformer includes rectification and becomes once secondary with rectification change；The coarse adjustment winding and fine tuning winding separate wiring, coarse adjustment winding is located at adjustable transformer side, fine tuning winding is located at adjustable transformer side or is located at rectification change primary side, coarse adjustment winding switchs K1 by coarse adjustment and is connected to rectification one secondary input end of change, fine tuning winding switchs K2 by fine tuning and is connected to rectification change primary side tail end, biswitch combination pressure regulation is carried out, so as to become the secondary output voltage that secondary valve side is needed in rectification.The biswitch combines voltage regulating rectifier transformer, simple in construction, it is easy to implement, within a short period of time, by less switching times with regard to the secondary output voltage that can be needed, on the premise of properties of product are ensured, production efficiency, reduction device fabrication, operation, maintenance cost can be improved.
Description
Technical field
The utility model is related to a kind of transformer, particularly a kind of biswitch combination voltage regulating rectifier transformer.
Background technology
High-power rectifying equipment is widely used in the every field such as aluminium electroloysis, carbon element of graphite smelting, and rectifier transformer is
One of most important equipment in high-power rectifying equipment, in transformer fault, loaded switch failure be relatively conventional failure it
One, particularly in some industrial rectifier transformers, due to loaded switch frequent operation, service life reduction causes transformer
Failure occurs again and again；Therefore the failure caused by load switch of transformer operation overfrequency how is reduced, keeps transformer to be in peace
Stable running status is users' questions of common interest entirely.
The general coarse and fine voltage regulation wiring knot of the current rectifier transformer used in the fields such as aluminium electroloysis, carbon element of graphite smelting
Structure is：Coarse adjustment winding and fine tuning winding for pressure regulation are each provided at adjustable transformer side, are opened by one 79 grades of coarse and fine voltage regulation
Close K0 gear shift pressure regulation, coarse adjustment winding is serially connected in pressure regulation and become in high pressure winding, and by coarse and fine voltage regulation switch one of K0 movable contact with
Fine tuning winding is connected, and another movable contact that fine tuning winding switchs K0 by coarse and fine voltage regulation is connected to rectification and becomes a secondary input end（Referring to
Accompanying drawing 3）；When switch transformer valve side output voltage deep low gear to turn up full blast output shelves when, it is necessary to by 5 × 16-1=79
Secondary switching, because the rectifier transformer used in the field generally has, secondary current is larger, range of regulation is wide, pressure regulation series
The characteristics of many, loaded switch frequent operation, switch series is more, and price is more expensive, in order to ensure rectifier transformer is normal safely
Operation, reduces the failure caused by load switch of transformer operation overfrequency, and the scheme of usual scheme is：
1. setting saturable reactor in Circuit Fault on Secondary Transformer, finely tune to adjust secondary voltage output by saturable reactor；
2. by adjusting the control angle of rectifier controllable silicon to adjust VD；
3. using the more reliable switch of quality, such as import or vacuum type switch.
Above scheme exists following not enough：
1. setting saturable reactor pressure regulation in Circuit Fault on Secondary Transformer, the manufacturing cost of transformer can be not only greatly increased, and
And transformer loss can also increase, and reduce performance indications；
2. although can adjust VD by adjusting the control angle of rectifier controllable silicon, such a mode exists
When controlling angle larger, it can increase whole system harmonic content, power factor (PF) step-down；Smelted simultaneously in electrolytic aluminium, carbon element of graphite
Deng the king-sized field of electric current, controllable silicon is confined to manufacturing process, and general single tube is smaller by electric current, exists again during multitube parallel
The problems such as cost is high, performance quality is difficult to ensure that, can not realize sometimes or even at all；
3. the high-quality switch of selection such as import or vacuum switch, no doubt can guarantee that quality, reduce transformer fault
Probability, but import or vacuum switch are expensive, can greatly increase transformer cost.
Utility model content
The purpose of this utility model is to provide a kind of biswitch combination voltage regulating rectifier transformer of new structure form, with gram
Take the above-mentioned deficiency present in prior art.
The utility model is adopted the technical scheme that：A kind of biswitch combines voltage regulating rectifier transformer, including pressure regulation transformation
Device, rectifier transformer and coarse adjustment winding and fine tuning winding for pressure regulation, rectifier transformer include rectification and become once and rectification
Become secondary；
The coarse adjustment winding and fine tuning winding separate wiring, and coarse adjustment winding is located at adjustable transformer side, fine tuning winding or set
Adjustable transformer side or be located at rectification become primary side, coarse adjustment winding by coarse adjustment switch K1 be connected to rectification become a secondary input end,
Fine tuning winding switchs K2 by fine tuning and is connected to rectification change primary side tail end, biswitch combination pressure regulation is carried out, so as to become two in rectification
The secondary output voltage that secondary valve side is needed, specific connected mode is：
The moving contact of coarse adjustment switch each phases of K1 connects rectification and becomes each correspondence phase of a secondary input end respectively：
K1a meets L3a1, and K1b meets L3b1, and K1c meets L3 c1,
The moving contact of fine tuning switch each phases of K2 connects rectification and becomes each correspondence phase of primary side tail end respectively：
K2a meets L3a2, and K2b meets L3b2, and K2c meets L3c2；
Wherein：
K1a, K1b and K1c are respectively the moving contact of coarse adjustment switch K1 A phases, B phases and C phases, and K2a, K2b and K2c are respectively
Fine tuning switchs the moving contact of K2 A phases, B phases and C phases,
L3a1, L3b1 and L3c1 are respectively that rectification becomes an input for taking second place A phases, B phases and C phases；
L3a2, L3b2 and L3c2 are respectively the output end that rectification becomes the A phases, B phases and C phases of primary side tail.
Its further technical scheme is：
The coarse adjustment winding is located at adjustable transformer side, and fine tuning winding is located at adjustable transformer side, and coarse adjustment winding passes through thick
Tune switch K1 is connected to rectification and becomes a secondary input end, and fine tuning winding switchs K2 by fine tuning and is connected to rectification change primary side afterbody, carries out
Biswitch combines pressure regulation, so as to become the secondary output voltage that secondary valve side is needed in rectification.
Its further another technical scheme is：
The coarse adjustment winding is located at adjustable transformer side, and the fine tuning winding is located at rectification and becomes primary side, and coarse adjustment winding leads to
Cross coarse adjustment switch K1 and be connected to rectification one secondary input end of change, fine tuning winding switchs K2 by fine tuning and is connected to rectification change primary side afterbody,
Biswitch combination pressure regulation is carried out, so as to become the secondary output voltage that secondary valve side is needed in rectification.
Due to using above-mentioned technical proposal, a kind of biswitch combination voltage regulating rectifier transformer of the utility model is with as follows
Beneficial effect：
1. the utility model a kind of biswitch combination voltage regulating rectifier transformer, by by adjustable transformer side set it is thick
Winding and fine tuning winding is adjusted to carry out separating wiring, i.e., coarse adjustment winding is switched K1 by coarse adjustment is connected to rectification one secondary input end of change,
Fine tuning winding by fine tuning is switched K2 it is connected to rectification and become primary side afterbody, biswitch combination pressure regulation is carried out, so that when shorter
In, by less switching times with regard to the secondary output voltage that can be needed, by taking 79 grades of pressure regulation as an example, switched with working as in transformation
Device valve side output voltage deep low gear to turn up full blast output shelves when, at most by 5+16=21 time switch（And traditional voltage regulating rectifier
Transformer needs 5 × 16-1=79 time switching）, the switching frequency and failure of switch are greatly reduced, the use of loaded switch is improved
Life-span, it is ensured that the normal operation of transformer；
2. a kind of biswitch combination voltage regulating rectifier transformer of the utility model, with two regular taps（One has load one
Individual no-load）Instead of a multi-stage coarse and fine tune switch, for special multi-stage pressure regulating（71 grades, more than 91 grades etc.）Rectifier transformer,
Cost can be greatly reduced；
3. it is simple in construction, it is easy to implement, exchange several more transformer advantages of arbitrarily downgrading and become apparent from, ensure properties of product
Under the premise of, production efficiency, reduction device fabrication, operation, maintenance cost can be improved.
The technology of voltage regulating rectifier transformer is combined to a kind of biswitch of the utility model below by drawings and examples
Feature is further described.
Brief description of the drawings
Fig. 1 combines voltage regulating rectifier transformer connection principle schematic diagram for a kind of biswitch of the utility model embodiment one；
Fig. 2 combines voltage regulating rectifier transformer connection principle schematic diagram for a kind of biswitch of the utility model embodiment two；
Fig. 3 is existing voltage regulating rectifier transformer connection principle schematic diagram；
In figure：
101-adjustable transformer, 201-rectification becomes once, and 202-rectification becomes secondary.
Embodiment
Embodiment one
A kind of biswitch combines voltage regulating rectifier transformer, including adjustable transformer 101, rectifier transformer and for pressure regulation
Coarse adjustment winding and fine tuning winding, rectifier transformer includes rectification and becomes one time 201 and rectification becoming secondary 202；
The coarse adjustment winding and fine tuning winding separate wiring, and coarse adjustment winding is located at adjustable transformer side, the fine tuning winding
Adjustable transformer side is located at, coarse adjustment winding switchs K1 by coarse adjustment and is connected to rectification one secondary input end of change, and fine tuning winding passes through fine tuning
Switch K2 be connected to rectification become primary side tail end, carry out biswitch combination pressure regulation so that rectification become it is secondary needed it is secondary
Output voltage, specific connected mode is：
The moving contact of coarse adjustment switch each phases of K1 connects rectification and becomes each correspondence phase of a secondary input end respectively：
K1a meets L3a1, and K1b meets L3b1, and K1c meets L3 c1,
The moving contact of fine tuning switch each phases of K2 connects rectification and becomes each correspondence phase of primary side tail end respectively：
K2a meets L3a2, and K2b meets L3b2, and K2c meets L3c2；
Wherein：
K1a, K1b and K1c are respectively the moving contact of coarse adjustment switch K1 A phases, B phases and C phases, and K2a, K2b and K2c are respectively
Fine tuning switchs the moving contact of K2 A phases, B phases and C phases,
L3a1 is that rectification becomes an A phase input, and L3b1 is that rectification becomes a B phase input, and L3c1 is that rectification becomes a C
Phase input；
L3a2 is that rectification becomes primary side tail A phase output terminals, and L3b2 is that rectification becomes primary side tail B phase output terminals, and L3c2 is whole
Rheology primary side tail C phase output terminals（Referring to accompanying drawing 1）.
Embodiment two
A kind of biswitch combines voltage regulating rectifier transformer, and its basic structure is identical with embodiment one, including adjustable transformer
101st, rectifier transformer and coarse adjustment winding and fine tuning winding for pressure regulation, rectifier transformer include rectification and become 201 Hes
Rectification becomes secondary 202, and the coarse adjustment winding and fine tuning winding separate wiring；
Except that：The coarse adjustment winding is located at adjustable transformer side, and the fine tuning winding is located at rectification and becomes primary side,
Coarse adjustment winding switchs K1 by coarse adjustment and is connected to rectification one secondary input end of change, and fine tuning winding switchs K2 by fine tuning and is connected to rectification change one
Secondary side afterbody, carries out biswitch combination pressure regulation, so as to become the secondary secondary output voltage needed in rectification（Referring to accompanying drawing
2）.
Claims (3)
1. a kind of biswitch combines voltage regulating rectifier transformer, including adjustable transformer（101）, rectifier transformer and for pressure regulation
Coarse adjustment winding and fine tuning winding, rectifier transformer include rectification become once（201）Become secondary with rectification（202）, its feature exists
In：The coarse adjustment winding and fine tuning winding separate wiring, and coarse adjustment winding is located at adjustable transformer side, fine tuning winding or are located at pressure regulation
Transformer side or be located at rectification become primary side, coarse adjustment winding by coarse adjustment switch K1 be connected to rectification become a secondary input end, fine tuning around
Group switchs K2 by fine tuning and is connected to rectification change primary side tail end, biswitch combination pressure regulation is carried out, so as to become secondary valve side in rectification
The secondary output voltage needed, specific connected mode is：
The moving contact of coarse adjustment switch each phases of K1 connects rectification and becomes each correspondence phase of a secondary input end respectively：
K1a meets L3a1, and K1b meets L3b1, and K1c meets L3 c1,
The moving contact of fine tuning switch each phases of K2 connects rectification and becomes each correspondence phase of primary side tail end respectively：
K2a meets L3a2, and K2b meets L3b2, and K2c meets L3c2；
Wherein：
K1a, K1b and K1c are respectively the moving contact of coarse adjustment switch K1 A phases, B phases and C phases, and K2a, K2b and K2c are respectively fine tuning
The moving contact of K2 A phases, B phases and C phases is switched,
L3a1, L3b1 and L3c1 are respectively that rectification becomes an input for taking second place A phases, B phases and C phases；
L3a2, L3b2 and L3c2 are respectively the output end that rectification becomes the A phases, B phases and C phases of primary side tail.
2. a kind of biswitch combination voltage regulating rectifier transformer as claimed in claim 1, it is characterised in that：The coarse adjustment winding is set
In adjustable transformer side, fine tuning winding is located at adjustable transformer side, and coarse adjustment winding switchs K1 by coarse adjustment and is connected to rectification change once
Input, fine tuning winding switchs K2 by fine tuning and is connected to rectification change primary side afterbody, biswitch combination pressure regulation is carried out, so that whole
The secondary output voltage that rheology secondary valve side is needed.
3. a kind of biswitch combination voltage regulating rectifier transformer as claimed in claim 1, it is characterised in that：The coarse adjustment winding is set
In adjustable transformer side, the fine tuning winding is located at rectification and becomes primary side, and coarse adjustment winding switchs K1 by coarse adjustment and is connected to rectification change
One secondary input end, fine tuning winding switchs K2 by fine tuning and is connected to rectification change primary side afterbody, carries out biswitch combination pressure regulation, so that
Become the secondary output voltage that secondary valve side is needed in rectification.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720032654.1U CN206379261U (en) | 2017-01-10 | 2017-01-10 | A kind of biswitch combines voltage regulating rectifier transformer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720032654.1U CN206379261U (en) | 2017-01-10 | 2017-01-10 | A kind of biswitch combines voltage regulating rectifier transformer |
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| CN206379261U true CN206379261U (en) | 2017-08-04 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT526361B1 (en) * | 2022-12-21 | 2024-02-15 | Andritz Ag Maschf | Controllable rectifier arrangement for hydrogen electrolysis |
-
2017
- 2017-01-10 CN CN201720032654.1U patent/CN206379261U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT526361B1 (en) * | 2022-12-21 | 2024-02-15 | Andritz Ag Maschf | Controllable rectifier arrangement for hydrogen electrolysis |
| AT526361A4 (en) * | 2022-12-21 | 2024-02-15 | Andritz Ag Maschf | Controllable rectifier arrangement for hydrogen electrolysis |
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