CN105428037A - Wiring structure and method for switching connection group labels by non-excitation switch - Google Patents
Wiring structure and method for switching connection group labels by non-excitation switch Download PDFInfo
- Publication number
- CN105428037A CN105428037A CN201510988335.3A CN201510988335A CN105428037A CN 105428037 A CN105428037 A CN 105428037A CN 201510988335 A CN201510988335 A CN 201510988335A CN 105428037 A CN105428037 A CN 105428037A
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- China
- Prior art keywords
- phase
- field switch
- wiring position
- wiring
- switch
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/2823—Wires
- H01F27/2828—Construction of conductive connections, of leads
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F29/00—Variable transformers or inductances not covered by group H01F21/00
- H01F29/02—Variable transformers or inductances not covered by group H01F21/00 with tappings on coil or winding; with provision for rearrangement or interconnection of windings
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/0005—Tap change devices
- H01H9/0016—Contact arrangements for tap changers
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Keying Circuit Devices (AREA)
Abstract
The invention relates to a wiring structure and a method for switching connection group labels by a non-excitation switch, and belongs to the technical field of transformer devices. The technical scheme is that high-voltage windings (1) of a star connection structure are provided, the dotted terminals of the high-voltage windings (1) are lead out to form A, B and C phases, and the non-dotted terminals of the same are mutually short-circuited to be neutral points; low-voltage windings (2) of an angle joint structure is provided, the low-voltage windings are a-phase, b-phase and c-phase low-voltage windings, and a non-excitation switch is matched with each phase of low voltage winding and provided with three wiring positions, respectively being a first wiring position (5), a second wiring position (6) and a third wiring position (7), and also provided with a fixed non-excitation switch contact (3) and a movable non-excitation switch contact (4). According to the wiring structure and the method provided by the invention, the connection group labels of a transformer can be switched, the transformer can achieve the switching of the connection group labels through using the operation mechanism of the non-excitation switch only, and the transformer can be directly applied to grids with two different connection group labels without injecting and draining oil, vacuumizing and other operations on the scene, thus being simple, convenient and safe to operate.
Description
Technical field
The present invention relates to a kind of utilize without field switch realize connect deck label switch wiring construction and method, belong to technical field of transformer equipment.
Background technology
Usual transformer only has the deck label that is fixedly connected, a kind of electrical network of the deck label that is fixedly connected can only be used for, two kinds of different electrical networks connecting deck label are applicable to if want, the different transformer of outfit two or design of transformer is then needed to become the transformer of special construction but need to transform at the scene, need during Reconstruction in field first to drain the oil to transformer, also need after transformation to carry out vacuumizing and the operations such as oiling, complicated operation, difficulty is large.
Summary of the invention
The object of the invention be to provide a kind of utilize without field switch realize connect deck label switch wiring construction and method, the high voltage side of transformer of this wiring construction is adopted to be star-like connection, low-pressure side is that triangle connects, with high pressure winding phasor for benchmark, low pressure winding can utilize and switch between two kinds of phase shift without field switch, thus realize the switching of couple group label, this kind of transformer only needs to utilize the operating mechanism without field switch to switch Connection series number, transformer does not need to note at the scene the operation such as to be drained the oil and vacuumizes and can be directly used on two kinds of different electrical networks connecting deck labels, solve the problems referred to above existed in background technology.
Technical scheme of the present invention is: a kind of wiring construction utilized without the switching of field switch realization connection deck label, comprise high pressure winding, low pressure winding and without field switch, described high pressure winding is star access node structure, Same Name of Ends draws A, B, C three-phase, the mutual short circuit of non-same polarity is neutral point, low pressure winding is angle connecting structure, be provided with a phase, b phase, c phase three-phase low-voltage winding, match without field switch and every phase low pressure winding, be provided with three wiring positions, be respectively wiring position one, wiring position two, wiring position three, also be provided with and determine contact without field switch and without field switch moving contact, determining contact without field switch is fixedly installed on wiring position one, can at wiring position two without field switch moving contact, switch between wiring position three, the Same Name of Ends of every phase low pressure winding and corresponding determining contact without field switch and be connected to each other without field switch, non-same polarity respectively corresponding with all the other two-phase low pressure windings without field switch without excitation wiring position two, wiring position three is connected to each other.
Described without field switch be three single-phase without field switch.
Described without field switch be one three-phase integrated without field switch.
Utilize the method realizing connecting deck label switching without field switch, comprise following steps:
adopt a kind of wiring construction utilized without the switching of field switch realization connection deck label, this structure comprises high pressure winding, low pressure winding and without field switch, described high pressure winding is star access node structure, Same Name of Ends draws A, B, C three-phase, the mutual short circuit of non-same polarity is neutral point, low pressure winding is angle connecting structure, be provided with a phase, b phase, c phase three-phase low-voltage winding, match without field switch and every phase low pressure winding, be provided with three wiring positions, be respectively wiring position one, wiring position two, wiring position three, also be provided with and determine contact without field switch and without field switch moving contact, determining contact without field switch is fixedly installed on wiring position one, can at wiring position two without field switch moving contact, switch between wiring position three, the Same Name of Ends of every phase low pressure winding and corresponding determining contact without field switch and be connected to each other without field switch, non-same polarity respectively corresponding with all the other two-phase low pressure windings without field switch without excitation wiring position two, wiring position three is connected to each other,
adopt three single-phase without field switch or one three-phase integrated without field switch, the Same Name of Ends of low-pressure side three-phase windings draws abc, be connected to wiring position a1, b1, c1 place without field switch respectively simultaneously, the non-same polarity of low pressure a phase winding is connected to wiring position b3 and position c2 simultaneously, the non-same polarity that the non-same polarity of low pressure b phase winding is connected to wiring position c3 and position a2, low pressure c phase winding is simultaneously connected to wiring position a3 and position b2 simultaneously; When moving contact is positioned at wiring position two, couple group label is at Y(N) d11, when moving contact is positioned at wiring position three, couple group label is at Y(N) d1.
The invention has the beneficial effects as follows: adopt the high voltage side of transformer of this wiring construction to be star-like connection, low-pressure side is that triangle connects, with high pressure winding phasor for benchmark, low pressure winding can utilize and switch between two kinds of phase shift without field switch, thus realize the switching of couple group label, this kind of transformer only needs to utilize the operating mechanism without field switch to switch Connection series number, transformer does not need to note at the scene the operation such as to be drained the oil and vacuumizes and can be directly used on two kinds of different electrical networks connecting deck labels, easy to operate and safe.
Accompanying drawing explanation
Fig. 1 is electrical schematic diagram of the present invention;
In figure: high pressure winding 1, low pressure winding 2, to determine contact 3 without field switch, without field switch moving contact 4, wiring position 1, wiring position 26, wiring position 37.
Embodiment
Below in conjunction with accompanying drawing, by embodiment, the invention will be further described.
A kind of wiring construction utilized without the switching of field switch realization connection deck label, comprise high pressure winding 1, low pressure winding 2 and without field switch, described high pressure winding 1 is star access node structure, Same Name of Ends draws A, B, C three-phase, the mutual short circuit of non-same polarity is neutral point, low pressure winding 2 is angle connecting structure, be provided with a phase, b phase, c phase three-phase low-voltage winding, match without field switch and every phase low pressure winding, be provided with three wiring positions, be respectively wiring position 1, wiring position 26, wiring position 37, also be provided with and determine contact 3 without field switch and without field switch moving contact 4, determining contact 3 without field switch is fixedly installed on wiring position 1, can at wiring position 26 without field switch moving contact 4, switch between wiring position 37, the Same Name of Ends of every phase low pressure winding and corresponding determining contact 3 without field switch and be connected to each other without field switch, non-same polarity respectively corresponding with all the other two-phase low pressure windings without field switch without excitation wiring position 26, wiring position 37 is connected to each other.
Described without field switch be three single-phase without field switch.
Described without field switch be one three-phase integrated without field switch.
Utilize the method realizing connecting deck label switching without field switch, comprise following steps:
adopt a kind of wiring construction utilized without the switching of field switch realization connection deck label, this structure comprises high pressure winding, low pressure winding and without field switch, described high pressure winding is star access node structure, Same Name of Ends draws A, B, C three-phase, the mutual short circuit of non-same polarity is neutral point, low pressure winding is angle connecting structure, be provided with a phase, b phase, c phase three-phase low-voltage winding, match without field switch and every phase low pressure winding, be provided with three wiring positions, be respectively wiring position one, wiring position two, wiring position three, also be provided with and determine contact without field switch and without field switch moving contact, determining contact without field switch is fixedly installed on wiring position one, can at wiring position two without field switch moving contact, switch between wiring position three, the Same Name of Ends of every phase low pressure winding and corresponding determining contact without field switch and be connected to each other without field switch, non-same polarity respectively corresponding with all the other two-phase low pressure windings without field switch without excitation wiring position two, wiring position three is connected to each other,
adopt three single-phase without field switch or one three-phase integrated without field switch, the Same Name of Ends of low-pressure side three-phase windings draws abc, be connected to wiring position a1, b1, c1 place without field switch respectively simultaneously, the non-same polarity of low pressure a phase winding is connected to wiring position b3 and position c2 simultaneously, the non-same polarity that the non-same polarity of low pressure b phase winding is connected to wiring position c3 and position a2, low pressure c phase winding is simultaneously connected to wiring position a3 and position b2 simultaneously; When moving contact is positioned at wiring position two, couple group label is at Y(N) d11, when moving contact is positioned at wiring position three, couple group label is at Y(N) d1.
Claims (4)
1. one kind utilizes the wiring construction realizing connecting deck label switching without field switch, it is characterized in that: comprise high pressure winding (1), low pressure winding (2) and without field switch, described high pressure winding (1) is star access node structure, Same Name of Ends draws A, B, C three-phase, the mutual short circuit of non-same polarity is neutral point, low pressure winding (2) is angle connecting structure, be provided with a phase, b phase, c phase three-phase low-voltage winding, match without field switch and every phase low pressure winding, be provided with three wiring positions, be respectively wiring position one (5), wiring position two (6), wiring position three (7), also be provided with and determine contact (3) without field switch and without field switch moving contact (4), determining contact (3) without field switch is fixedly installed on wiring position one (5), can at wiring position two (6) without field switch moving contact (4), switch between wiring position three (7), the Same Name of Ends of every phase low pressure winding and corresponding determining contact (3) without field switch and be connected to each other without field switch, non-same polarity respectively corresponding with all the other two-phase low pressure windings without field switch without excitation wiring position two (6), wiring position three (7) is connected to each other.
2. according to claim 1 a kind of utilize without field switch realize connect deck label switch wiring construction, it is characterized in that: described without field switch be three single-phase without field switch.
3. according to claim 1 a kind of utilize without field switch realize connect deck label switch wiring construction, it is characterized in that: described without field switch be one three-phase integrated without field switch.
4. utilize the method realizing connecting deck label switching without field switch, it is characterized in that comprising following steps:
adopt a kind of wiring construction utilized without the switching of field switch realization connection deck label, this structure comprises high pressure winding, low pressure winding and without field switch, described high pressure winding is star access node structure, Same Name of Ends draws A, B, C three-phase, the mutual short circuit of non-same polarity is neutral point, low pressure winding is angle connecting structure, be provided with a phase, b phase, c phase three-phase low-voltage winding, match without field switch and every phase low pressure winding, be provided with three wiring positions, be respectively wiring position one, wiring position two, wiring position three, also be provided with and determine contact without field switch and without field switch moving contact, determining contact without field switch is fixedly installed on wiring position one, can at wiring position two without field switch moving contact, switch between wiring position three, the Same Name of Ends of every phase low pressure winding and corresponding determining contact without field switch and be connected to each other without field switch, non-same polarity respectively corresponding with all the other two-phase low pressure windings without field switch without excitation wiring position two, wiring position three is connected to each other,
adopt three single-phase without field switch or one three-phase integrated without field switch, the Same Name of Ends of low-pressure side three-phase windings draws abc, be connected to wiring position a1, b1, c1 place without field switch respectively simultaneously, the non-same polarity of low pressure a phase winding is connected to wiring position b3 and position c2 simultaneously, the non-same polarity that the non-same polarity of low pressure b phase winding is connected to wiring position c3 and position a2, low pressure c phase winding is simultaneously connected to wiring position a3 and position b2 simultaneously; When moving contact is positioned at wiring position two, couple group label is at Y(N) d11, when moving contact is positioned at wiring position three, couple group label is at Y(N) d1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510988335.3A CN105428037A (en) | 2015-12-28 | 2015-12-28 | Wiring structure and method for switching connection group labels by non-excitation switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510988335.3A CN105428037A (en) | 2015-12-28 | 2015-12-28 | Wiring structure and method for switching connection group labels by non-excitation switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105428037A true CN105428037A (en) | 2016-03-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510988335.3A Pending CN105428037A (en) | 2015-12-28 | 2015-12-28 | Wiring structure and method for switching connection group labels by non-excitation switch |
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| CN (1) | CN105428037A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108597820A (en) * | 2018-05-29 | 2018-09-28 | 保定天威保变电气股份有限公司 | A kind of wiring construction that a variety of connection deck labels can be achieved |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61184807A (en) * | 1985-02-13 | 1986-08-18 | Mitsubishi Electric Corp | Three-phase transformer |
| CN102682979A (en) * | 2012-05-13 | 2012-09-19 | 广西柳州特种变压器有限责任公司 | Novel phase shifting rectifier transformer |
| CN203205227U (en) * | 2013-03-20 | 2013-09-18 | 吴江远洋电气有限责任公司 | Transformer for industrial furnace of phase shift pressure regulating series |
| CN203242479U (en) * | 2013-05-30 | 2013-10-16 | 卧龙电气集团股份有限公司 | Large-capacity oil-immersed transformer with six-post iron core |
-
2015
- 2015-12-28 CN CN201510988335.3A patent/CN105428037A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61184807A (en) * | 1985-02-13 | 1986-08-18 | Mitsubishi Electric Corp | Three-phase transformer |
| CN102682979A (en) * | 2012-05-13 | 2012-09-19 | 广西柳州特种变压器有限责任公司 | Novel phase shifting rectifier transformer |
| CN203205227U (en) * | 2013-03-20 | 2013-09-18 | 吴江远洋电气有限责任公司 | Transformer for industrial furnace of phase shift pressure regulating series |
| CN203242479U (en) * | 2013-05-30 | 2013-10-16 | 卧龙电气集团股份有限公司 | Large-capacity oil-immersed transformer with six-post iron core |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108597820A (en) * | 2018-05-29 | 2018-09-28 | 保定天威保变电气股份有限公司 | A kind of wiring construction that a variety of connection deck labels can be achieved |
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Application publication date: 20160323 |