CN112992500A - Triangle connected phase-shifting transformer - Google Patents
Triangle connected phase-shifting transformer Download PDFInfo
- Publication number
- CN112992500A CN112992500A CN202110300317.7A CN202110300317A CN112992500A CN 112992500 A CN112992500 A CN 112992500A CN 202110300317 A CN202110300317 A CN 202110300317A CN 112992500 A CN112992500 A CN 112992500A
- Authority
- CN
- China
- Prior art keywords
- winding
- load side
- phase
- triangular
- shifting transformer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- 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
-
- 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
- H01F29/025—Constructional details of transformers or reactors with tapping on coil or windings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F38/00—Adaptations of transformers or inductances for specific applications or functions
Abstract
The invention relates to a phase-shifting transformer in triangular connection, belonging to the technical field of transformer manufacturing. The technical scheme is as follows: the transformer comprises a power side winding and a load side winding, wherein the load side winding is connected with the power side winding in a triangle mode, the load side winding is connected with the load side winding in a triangle mode, each phase winding of the triangle winding and a corresponding phase winding of the power side or the load side are of a self-coupling connection structure, a series connection winding of the self-coupling connection is a voltage regulating section with a tap, and small-angle phase shifting and small-amplitude voltage reduction or boosting are. The invention has the beneficial effects that: the requirement that the circuit needs the transformation of small range can be solved in the low-angle phase shift, and the phase-shifting transformer of this structure is single body structure, and the winding is small in quantity, and the wiring is simple, than the phase-shifting transformer of the traditional double-body structure who realizes the same function will greatly simplify, has reduced the design, has made the degree of difficulty, has promoted the reliability of system operation.
Description
Technical Field
The invention relates to a phase-shifting transformer in triangular connection, which comprises two technical schemes and belongs to the technical field of transformer manufacturing.
Background
The high voltage phase shifting transformer can control the power flow distribution of a specific line in a complex power transmission network by changing the phase of the voltage on the power supply side and the load side of the power transmission line. In order to realize the function, the phase-shifting transformer generally adopts a double-body structure, the number of windings is large, the wiring is complex, and particularly, if the voltage regulation requirement exists, the structure becomes abnormal and complex, so that the design and manufacturing difficulty is improved, and the unreliability of the system operation is increased. Even if a single-body structure adopting the traditional triangular connection is adopted, similar disadvantages exist, and the traditional triangular connection structure does not have the requirement of small-amplitude voltage transformation.
Disclosure of Invention
The invention aims to provide a phase-shifting transformer in triangular connection, which can meet the requirement that a line needs small-amplitude voltage boosting or voltage reduction while shifting a phase at a small angle, and the phase shifting of the structure is changed into a single-body structure, so that the phase shifting is simpler than that of a traditional double-body structure with the same function, the reliability of system operation is improved, and the problems in the background art are solved.
The technical scheme of the invention is as follows:
the phase-shifting transformer with triangular connection includes two technical schemes.
The first technical scheme is as follows:
a phase-shifting transformer connected in a delta mode realizes the functions of changing the voltage phase angle between a power supply side or a load side and a load side or the power supply side and reducing or boosting the amplitude in a small way by internally connecting a load side or a power supply side delta winding in a power supply side or a load side winding connected in a delta mode.
The transformer comprises a power side winding and a load side winding, wherein the load side winding is connected with the power side winding in a triangle mode, the load side winding is connected with the load side winding in a triangle mode, each phase winding of the triangle winding and a corresponding phase winding of the power side or the load side are of a self-coupling connection structure, a series connection winding of the self-coupling connection is a voltage regulating section with a tap, and small-angle phase shifting and small-amplitude voltage reduction or boosting are.
The phase-shifting transformer is of a single-body structure.
The second technical scheme is as follows:
a phase-shifting transformer connected in a triangular mode is characterized in that a load side or power side triangular winding is externally connected to an outer extension edge of a power (load) side winding connected in a triangular mode, so that the functions of changing the voltage phase angle of the power side or the load side and the load side or the power side and increasing or reducing the voltage in a small amplitude are achieved.
The triangular winding is externally connected with a load side or power side triangular winding on an extending edge outside a power (load) side winding in triangular connection, each phase winding of the triangular winding and a corresponding phase winding on the power side or the load side are of a self-coupling wiring structure, a series winding of the self-coupling wiring on the extending edge is a voltage regulating section with a tap, and small-angle phase shifting and small-amplitude voltage rising or dropping are realized by regulating the tap position.
The phase-shifting transformer is of a single-body structure.
The invention has the beneficial effects that: the two brand-new structures of the triangular connection phase-shifting transformer can meet the requirement that a line needs small-amplitude transformation while shifting phase at a small angle, the phase-shifting transformer with the structure is of a single-body structure, the number of windings is small, the wiring is simple, the phase-shifting transformer is greatly simplified compared with the phase-shifting transformer of the traditional double-body structure for realizing the same function, the design and manufacturing difficulty is reduced, and the reliability of system operation is improved.
Drawings
FIG. 1 is a wiring diagram of a single-winding internal triangle structure according to an embodiment of the present invention;
FIG. 2 is a wiring diagram of a dual winding internal triangle structure according to an embodiment of the present invention;
FIG. 3 is a voltage vector diagram of an inscribed triangle structure according to an embodiment of the present invention;
FIG. 4 is a diagram of a current vector of an inscribed triangle structure according to an embodiment of the present invention;
FIG. 5 is a wiring diagram of a single-winding external triangle structure according to a second embodiment of the present invention;
FIG. 6 is a wiring diagram of a dual-winding circumscribed triangle structure according to an embodiment of the present invention;
FIG. 7 is a voltage vector diagram of an external triangle structure according to an embodiment of the present invention;
FIG. 8 is a current vector diagram of an externally connected triangle structure according to an embodiment of the present invention;
in the figure: 1 single winding tapping section, 2 single winding common section, 3 double winding common section, 4 double winding tapping section.
Detailed Description
The invention is further illustrated by the following examples in conjunction with the accompanying drawings.
The first embodiment is as follows:
a phase-shifting transformer connected in a delta mode realizes the functions of changing the voltage phase angle between a power supply side or a load side and a load side or the power supply side and reducing or boosting the amplitude in a small way by internally connecting a load side or a power supply side delta winding in a power supply side or a load side winding connected in a delta mode.
The transformer comprises a power side winding and a load side winding, wherein the load side winding is connected with the power side winding in a triangle mode, the load side winding is connected with the load side winding in a triangle mode, each phase winding of the triangle winding and a corresponding phase winding of the power side or the load side are of a self-coupling connection structure, a series connection winding of the self-coupling connection is a voltage regulating section with a tap, and small-angle phase shifting and small-amplitude voltage reduction or boosting are.
The phase-shifting transformer is of a single-body structure.
The phase-shifting transformer internally connected with a load side or power side triangular winding and connected in a triangular manner has the following structure: the transformer is sleeved with one or two windings on each core limb; referring to the attached figure 1, the wiring diagram of the single-winding inscribed triangle structure is sleeved with a technical scheme of one winding: the three-phase single winding is connected end to end in a triangular connection mode, and three line ends are led out to be respectively connected with three phases on a power supply side or a load side: s1, S2, S3 or L1, L2, L3, wherein the single winding comprises a tapped section 1 of the single winding and a common section 2 of the single winding, the tapped section 1 of the single winding of each winding is led out and is respectively connected with three phases on a load side or a power supply side: l1, L2, L3 or S1, S2, S3; referring to the attached figure 2, the wiring diagram of the double-winding inscribed triangle structure is provided with the technical scheme of two windings: the common section 3 of the three-phase double winding is connected with the tapping section 4 of the double winding in series and then connected end to end in a triangular connection, and three line ends are led out to be respectively connected with three phases on a power supply side or a load side: s1, S2, S3 or L1, L2, L3, the tapping section 4 leading out the double winding is respectively connected with three phases on the load side or the power supply side: l1, L2, L3 or S1, S2, S3.
Fig. 3 is a voltage vector diagram of an inscribed triangle structure.
Fig. 4 is a current vector diagram of an inscribed triangle structure.
Example two:
a phase-shifting transformer connected in a triangular mode achieves the functions of changing the voltage phase angle of a power supply side or a load side and a load side or a power supply side and increasing or decreasing voltage in a small amplitude by externally connecting a load side or a power supply side triangular winding on an external extension edge of a power supply side or a load side winding connected in a triangular mode.
The triangular winding on the load side or the load side is externally connected with a triangular winding on the load side or the load side, each phase winding of the triangular winding and a corresponding phase winding on the power side or the load side are of a self-coupling wiring structure, a series winding of the self-coupling wiring on the extension side is a voltage regulating section with a tap, and small-angle phase shifting and small-amplitude voltage rising or dropping are realized by regulating the tap position.
The phase-shifting transformer is of a single-body structure.
The power side or load side winding is externally connected with a load side or power side triangular winding on the external extension side, and the triangular-connected phase-shifting transformer has the following structure: the transformer has one or two windings on each core leg. Referring to the attached figure 5, the wiring diagram of the single-winding external connection triangular structure is provided, and the technical scheme of one winding is sleeved: the common section 2 of the three-phase single winding is connected end to end in a triangular connection mode, and three line ends are led out to be respectively connected with three phases on a power supply side or a load side: s1, S2, S3 or L1, L2 and L3, wherein the tapping section 1 of the single winding is led out and then respectively connected with three phases on the load side or the power supply side: l1, L2, L3 or S1, S2, S3. Referring to the attached figure 6, the wiring diagram of the double-winding external connection triangular structure is provided, and the technical scheme of two windings is sleeved: the common section 3 of the three-phase double winding is connected end to end in a triangular connection mode, and three line ends are led out to be respectively connected with three phases on a power supply side or a load side: s1, S2, S3 or L1, L2, L3, the tapping section 4 leading out the double winding is respectively connected with three phases on the load side or the power supply side: l1, L2, L3 or S1, S2, S3.
Fig. 7 is a voltage vector diagram of the circumscribed triangle structure.
Fig. 8 is a current vector diagram of a circumscribed triangle structure.
Claims (10)
1. A delta-coupled phase shifting transformer, characterized by: the change of the voltage phase angle between the power supply side or the load side and the load side or the power supply side and the small amplitude drop or boost function are realized by internally connecting a load side or power supply side triangular winding in the power supply side or load side winding of the triangular connection.
2. The delta-coupled phase shifting transformer of claim 1, wherein: the transformer comprises a power side winding and a load side winding, wherein the load side winding is connected with the power side winding in a triangle mode, the load side winding is connected with the load side winding in a triangle mode, each phase winding of the triangle winding and a corresponding phase winding of the power side or the load side are of a self-coupling connection structure, a series connection winding of the self-coupling connection is a voltage regulating section with a tap, and small-angle phase shifting and small-amplitude voltage reduction or boosting are.
3. A delta-coupled phase shifting transformer according to claim 1 or 2, wherein: the phase-shifting transformer is of a single-body structure; the phase-shifting transformer internally connected with a load side or power side triangular winding and connected in a triangular manner has the following structure: the transformer has one or two windings on each core leg.
4. A delta-coupled phase shifting transformer according to claim 3, wherein: the technical scheme of sleeving one winding is as follows: the three-phase single winding is connected end to end in a triangular connection mode, and three line ends are led out to be respectively connected with three phases on a power supply side or a load side: s1, S2, S3 or L1, L2, L3, wherein the single winding comprises a tapped section (1) of the single winding and a common section (2) of the single winding, the tapped section (1) of the single winding of each winding is led out and is respectively connected with three phases on a load side or a power supply side: l1, L2, L3 or S1, S2, S3.
5. A delta-coupled phase shifting transformer according to claim 3, wherein: the technical scheme is that the two windings are sleeved: the common section (3) of the three-phase double winding is serially connected with the tapping section (4) of the double winding, and then the common section and the tapping section are connected end to form a triangular connection, and three line ends are led out to be respectively connected with three phases on a power supply side or a load side: s1, S2, S3 or L1, L2, L3, and a tapping section (4) for leading out double windings is respectively connected with three phases on a load side or a power supply side: l1, L2, L3 or S1, S2, S3.
6. A delta-coupled phase shifting transformer, characterized by: the load side or the power side triangular winding is externally connected to the outer extension edge of the power side or the load side winding in the triangular connection, so that the voltage phase angle between the power side or the load side and the load side or the power side can be changed, and the small-amplitude voltage rising or reducing function can be realized.
7. The delta-coupled phase shifting transformer of claim 6, wherein: the triangular winding on the load side or the load side is externally connected with a triangular winding on the load side or the load side, each phase winding of the triangular winding and a corresponding phase winding on the power side or the load side are of a self-coupling wiring structure, a series winding of the self-coupling wiring on the extension side is a voltage regulating section with a tap, and small-angle phase shifting and small-amplitude voltage rising or dropping are realized by regulating the tap position.
8. A delta-coupled phase shifting transformer according to claim 6 or 7, wherein: the phase-shifting transformer is of a single-body structure; the power side or load side winding is externally connected with a load side or power side triangular winding on the external extension side, and the triangular-connected phase-shifting transformer has the following structure: the transformer has one or two windings on each core leg.
9. The delta-coupled phase shifting transformer of claim 8, wherein: the technical scheme of sleeving one winding is as follows: the common section (2) of the three-phase single winding is connected end to end in a triangular connection mode, and three line ends are led out to be respectively connected with three phases on a power supply side or a load side: s1, S2, S3 or L1, L2, L3, the tapping section (1) of the single winding is led out and then is respectively connected with three phases on the load side or the power supply side: l1, L2, L3 or S1, S2, S3.
10. The delta-coupled phase shifting transformer of claim 8, wherein: the technical scheme is that the two windings are sleeved: the common section (3) of the three-phase double winding is connected end to end in a triangular connection, and three line ends are led out to be respectively connected with three phases on a power supply side or a load side: s1, S2, S3 or L1, L2, L3, and a tapping section (4) for leading out double windings is respectively connected with three phases on a load side or a power supply side: l1, L2, L3 or S1, S2, S3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110300317.7A CN112992500B (en) | 2021-03-22 | 2021-03-22 | Triangle connected phase-shifting transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110300317.7A CN112992500B (en) | 2021-03-22 | 2021-03-22 | Triangle connected phase-shifting transformer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112992500A true CN112992500A (en) | 2021-06-18 |
| CN112992500B CN112992500B (en) | 2022-11-01 |
Family
ID=76334269
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110300317.7A Active CN112992500B (en) | 2021-03-22 | 2021-03-22 | Triangle connected phase-shifting transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112992500B (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5467627A (en) * | 1977-11-09 | 1979-05-31 | Toshiba Corp | Transformer for rectifier |
| CN2166508Y (en) * | 1993-08-21 | 1994-05-25 | 朱跃钢 | 10/6KV autotransformer |
| US5455759A (en) * | 1994-06-24 | 1995-10-03 | Paice; Derek A. | Symmetrical, phase-shifting, fork transformer |
| CN1375841A (en) * | 2002-01-24 | 2002-10-23 | 刘建平 | Curved compensating transformer and its phase-shift voltage regulating method |
| CN1665112A (en) * | 2005-04-05 | 2005-09-07 | 刘福生 | Autocompensation and harmonic wave shielding converter transformer |
| US20100148899A1 (en) * | 2008-12-16 | 2010-06-17 | Jian Huang | Symmetrical auto transformer delta topologies |
| CN202373436U (en) * | 2011-12-01 | 2012-08-08 | 章志桐 | Voltage matching compensator for electric network |
| CN103559991A (en) * | 2013-09-02 | 2014-02-05 | 昆山宝誉斯电源科技有限公司 | Side-extended-triangle-shaped autotransformer |
| CN104810141A (en) * | 2014-01-28 | 2015-07-29 | 西门子公司 | Medical device, transformer and transformation method |
| CN105471283A (en) * | 2015-12-17 | 2016-04-06 | 南京航空航天大学 | Buck-boost 12-pulse autotransformer rectifier |
| CN109545528A (en) * | 2018-12-20 | 2019-03-29 | 伊戈尔电气股份有限公司 | Three phase transformations, nine phase voltage raising and reducing self coupling phase-shifting transformer |
| CN112289570A (en) * | 2020-10-28 | 2021-01-29 | 广东电网有限责任公司广州供电局 | Edge-extended triangular autotransformer |
-
2021
- 2021-03-22 CN CN202110300317.7A patent/CN112992500B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5467627A (en) * | 1977-11-09 | 1979-05-31 | Toshiba Corp | Transformer for rectifier |
| CN2166508Y (en) * | 1993-08-21 | 1994-05-25 | 朱跃钢 | 10/6KV autotransformer |
| US5455759A (en) * | 1994-06-24 | 1995-10-03 | Paice; Derek A. | Symmetrical, phase-shifting, fork transformer |
| CN1375841A (en) * | 2002-01-24 | 2002-10-23 | 刘建平 | Curved compensating transformer and its phase-shift voltage regulating method |
| CN1665112A (en) * | 2005-04-05 | 2005-09-07 | 刘福生 | Autocompensation and harmonic wave shielding converter transformer |
| US20100148899A1 (en) * | 2008-12-16 | 2010-06-17 | Jian Huang | Symmetrical auto transformer delta topologies |
| CN202373436U (en) * | 2011-12-01 | 2012-08-08 | 章志桐 | Voltage matching compensator for electric network |
| CN103559991A (en) * | 2013-09-02 | 2014-02-05 | 昆山宝誉斯电源科技有限公司 | Side-extended-triangle-shaped autotransformer |
| CN104810141A (en) * | 2014-01-28 | 2015-07-29 | 西门子公司 | Medical device, transformer and transformation method |
| CN105471283A (en) * | 2015-12-17 | 2016-04-06 | 南京航空航天大学 | Buck-boost 12-pulse autotransformer rectifier |
| CN109545528A (en) * | 2018-12-20 | 2019-03-29 | 伊戈尔电气股份有限公司 | Three phase transformations, nine phase voltage raising and reducing self coupling phase-shifting transformer |
| CN112289570A (en) * | 2020-10-28 | 2021-01-29 | 广东电网有限责任公司广州供电局 | Edge-extended triangular autotransformer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112992500B (en) | 2022-11-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103229413A (en) | Tap changer | |
| WO2017000735A1 (en) | Controlled phase shift transmitter with short-circuit current limiting function | |
| CN112992500B (en) | Triangle connected phase-shifting transformer | |
| CN101354957B (en) | Large-capacity double-body pressure-regulating phase-shifting transformer | |
| CN205195274U (en) | Do not have and shove, have single -phase pressuretrol of distribution lines that electric arc was shifted gears | |
| CN205230789U (en) | Self coupling phase -shifting transformer's winding wiring structure | |
| CN2625948Y (en) | Noncontact compensating power stabilizer | |
| CN102136354B (en) | Large-range on-load tap changer (OLTC) for testing | |
| CN204189595U (en) | Loaded capacity-regulated transformer | |
| CN101958186B (en) | 220,000-volt power transformer for switching and regulating voltages of different voltage classes | |
| CN114927324A (en) | Star-shaped connected phase-shifting transformer | |
| CN202025633U (en) | Single iron core type phase-shifting transformer | |
| CN101777866B (en) | High-voltage power-saving voltage regulator | |
| CN210297587U (en) | Five-gear transformer on-load voltage regulation circuit with polarity conversion | |
| CN113077978A (en) | Novel voltage-regulating phase-shifting transformer with high-capacity double-device height impedance and additional reactor | |
| CN208939589U (en) | A kind of on-load regulator transformer and Unified Power Flow control system | |
| CN208986612U (en) | A kind of three-phase alternating current automatic pressure regulating device | |
| CN202487385U (en) | Two- rank-difference tertiary winding voltage regulating rectifier transformer | |
| CN217485236U (en) | Star-connected phase-shifting transformer | |
| CN220232913U (en) | Adjustable impedance transformer | |
| CN101419861B (en) | Large capacity single body phase angle regulator | |
| CN201365125Y (en) | High-voltage electricity-saving voltage regulator | |
| CN205304670U (en) | Vice limit of phase -shifting transformer tapping switching circuit based on on -load voltage regulating switch | |
| CN113497446B (en) | 110kV and above voltage class single-phase electromagnetic series type transmission line current control topological circuit | |
| CN203631289U (en) | Low-voltage on-load regulating transformer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |