CN110707852A - Single-phase three-phase equipower generator winding wiring method and generator - Google Patents
Single-phase three-phase equipower generator winding wiring method and generator Download PDFInfo
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- CN110707852A CN110707852A CN201910837938.1A CN201910837938A CN110707852A CN 110707852 A CN110707852 A CN 110707852A CN 201910837938 A CN201910837938 A CN 201910837938A CN 110707852 A CN110707852 A CN 110707852A
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- phase
- generator
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- coils
- wiring method
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/04—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors
- H02K3/28—Layout of windings or of connections between windings
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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
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/04—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of windings, prior to mounting into machines
- H02K15/0435—Wound windings
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/46—Fastening of windings on the stator or rotor structure
- H02K3/50—Fastening of winding heads, equalising connectors, or connections thereto
Abstract
The invention relates to a wiring method for a winding of a single-phase three-phase equipower generator, which comprises the following steps: changing a winding wire gauge of one phase in U, V, W three-phase windings of a three-phase generator into a preset wire gauge, winding the U, V, W three-phase windings into m groups of coils of each phase, wherein each group comprises n coils, and winding the coils by adopting concentric windings. The invention has the advantages of providing rated three-phase generating power and single-phase electric power with the same power.
Description
Technical Field
The invention relates to the technical field of generators, in particular to a winding wiring method of a single-phase three-phase equal-power generator and a generator.
Background
With the development of economy, the living standard of people is continuously improved, the types of generator loads are also varied nowadays, but the generators are single-phase generators, three-phase generators or three-phase generators with one third of single-phase generating power.
The existing technology has the disadvantages that the single-phase generator can only carry single-phase load, the three-phase generator can carry single-phase load and three-phase load, but the capacity of carrying single-phase load is poor, and the single-phase generating power can only be output by one third of the generating power of the three-phase generator.
Disclosure of Invention
The invention aims to provide a winding wiring method of a single-phase three-phase equipower generator and a generator, which solve the problem that the existing generator is a single-phase generator or a three-phase generator or the three-phase generator has one third of single-phase generating power and have the advantages of providing rated three-phase generating power and simultaneously providing single-phase electric power with the same power.
The technical purpose of the invention is realized by the following technical scheme:
a wiring method for a winding of a single-phase three-phase equal-power generator comprises the following steps: changing a winding wire gauge of one phase in U, V, W three-phase windings of a three-phase generator into a preset wire gauge, winding the U, V, W three-phase windings into m groups of coils of each phase, wherein each group comprises n coils, and winding the coils by adopting concentric windings.
By adopting the technical scheme, the single-phase and three-phase equal-power output of the generator is realized by the design and reasonable arrangement of the single-phase and three-phase windings of the generator.
The invention is further configured to: the preset wire gauge is 7-phi 0.9 (QZY-2/180).
By adopting the technical scheme, the original 3-phi 0.90mm is changed into 7-phi 0.9mm, the current density is increased, the current density of the generator is calculated according to 10 amperes per square, the total current of 10KW of three phases is 19A, and the line section area of 3-phi 0.9 is 1.9 square; taking 10KW power as an example, 10KW single-phase total current 43A needs a line with the square of more than 4.3 to meet the requirement of 10KW, and the section of the line with the diameter of 7-phi 0.9 is 4.6; through the calculation, the single-phase 10KW can meet the requirement only by using a 7-0.9 wire gauge.
The invention is further configured to: the wire gauges of the other two phases in the U, V, W three-phase winding are all 3-phi 0.9 (QZY-2/180).
By adopting the technical scheme, the current density of the generator is calculated according to 10 amperes per square, the total current of 10KW of three phases is 19A, and the line section area of 3-phi 0.9 is 1.9 square, so that the requirement of 10KW can be met.
The invention is further configured to: the m =2, i.e. two sets of coils per phase.
By adopting the technical scheme, the double-layer winding can eliminate partial higher harmonics, improve the waveform distortion rate and facilitate wiring.
The invention is further configured to: the n =4, i.e. four coils per group.
By adopting the technical scheme, the original three coils of each pole phase are changed into four coils of each phase, so that the quality of electric energy is changed.
The invention is further configured to: the number of turns of each set of four coils is 10, 5 respectively.
By adopting the technical scheme, the original 10, 10 and 10 of each pole phase are changed into 10, 5 and 5 so as to further change the quality of electric energy.
The invention is further configured to: the three-phase generator is a three-phase dipolar generator.
Through adopting above-mentioned technical scheme to do benefit to and obtain the faster three-phase generator of rotational speed.
The invention is further configured to: the frequency of the three-phase generator is 50Hz/60 Hz.
By adopting the technical scheme, the frequency is improved, the consumption of copper materials and steel materials of the generator and the transformer can be reduced, the weight is light, and the cost is low.
The invention is further configured to: and the sampling point of the single-phase output is on one phase winding of the preset wire gauge.
Through adopting above-mentioned technical scheme, through increasing the wire gauge to do benefit to the higher power of output, consequently, the sampling point setting of single-phase output is on changing to the one phase winding that the wire gauge was predetermine to higher specification.
The second technical purpose of the invention is realized by the following technical scheme:
a single-phase three-phase equal-power generator is manufactured by the winding wiring method.
By adopting the technical scheme, the single-phase and three-phase equal-power output of the generator is realized by the design and reasonable arrangement of the single-phase and three-phase windings of the generator.
In conclusion, the invention has the following beneficial effects:
1. the multifunctional power supply has multiple functions, and not only is a three-phase power supply, but also can use a single-phase power supply with the same power;
2. the economic benefit is obvious, and one set of equipment can be bought less;
3. the volume is small, the occupied area is small, and the relative manufacturing cost is low;
4. the rated three-phase generating power can be provided, and simultaneously, single-phase electric power with the same power can be provided. If the 10KW generator is used, a client can carry 10KW of three-phase electric equipment and also can carry single-phase 10KW of load equipment.
Drawings
Fig. 1 is a wiring diagram of the winding of the single-phase three-phase equipower generator of the invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example 1: a wiring method for a winding of a single-phase three-phase equal-power generator comprises the following steps: changing a winding wire gauge of one phase in U, V, W three-phase windings of a three-phase generator into a preset wire gauge, winding the U, V, W three-phase windings into m groups of coils of each phase, wherein each group comprises n coils, and winding the coils by adopting concentric windings.
Example 2: a wiring method for windings of a single-phase three-phase equipower generator, as shown in figure 1, takes the single-phase power and the three-phase power both being 10KW as an example, and comprises the following steps: changing a U-phase winding wire gauge in U, V, W three-phase windings of a three-phase generator into 7-phi 0.9 (QZY-2/180), wherein V, W two-phase winding wire gauges are 3-phi 0.9 (QZY-2/180), dividing the U, V, W three-phase windings into two groups according to each phase of coil, each group of four coils are provided, the number of turns of each group of four coils is 10, 5 and 5, the three-phase two poles are provided, the frequency is 50Hz/60Hz, and concentric windings are adopted for winding; the sampling point of the single-phase output is on the U-phase winding.
10-10-10 of each pole phase is changed into 10-10-5-5 to change the quality of electric energy, the double-layer winding can eliminate partial higher harmonics, improve the waveform distortion rate, and is convenient for wiring. The three-phase windings are all in the same wiring, are all in a 10-10-5-5 winding form and are concentric windings.
The current density of the U phase is increased by changing the original U phase with 3-phi 0.90mm into 7-phi 0.9 mm; the current density of the generator is calculated according to 10 amperes per square, the total current of 10KW of three phases is 19A, and the area of a line section of 3-phi 0.9 is 1.9 square; the 10KW single-phase total current 43A needs a line with the square of more than 4.3, and the line section of 7-phi 0.9 is 4.6, thus meeting the requirement of 10 KW. Through the calculation, the single-phase 10KW can meet the requirement only by using a 7-0.9 wire gauge; wherein the engine and the generator are also matched to this power; the on-board equipment is also matched to this power.
The single-phase three-phase equal-power generator is manufactured by the winding wiring method.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the present invention.
Claims (10)
1. A wiring method for a winding of a single-phase three-phase equal-power generator is characterized by comprising the following steps: changing a winding wire gauge of one phase in U, V, W three-phase windings of a three-phase generator into a preset wire gauge, winding the U, V, W three-phase windings into m groups of coils of each phase, wherein each group comprises n coils, and winding the coils by adopting concentric windings.
2. The winding wiring method of the single-phase three-phase equal-power generator as claimed in claim 1, wherein: the preset wire gauge is 7-phi 0.9 (QZY-2/180).
3. The winding wiring method of the single-phase three-phase equal-power generator as claimed in claim 1, wherein: the wire gauges of the other two phases in the U, V, W three-phase winding are all 3-phi 0.9 (QZY-2/180).
4. The winding wiring method of the single-phase three-phase equal-power generator as claimed in claim 1, wherein: the m =2, i.e. two sets of coils per phase.
5. The winding wiring method of the single-phase three-phase equal-power generator as claimed in claim 1, wherein: the n =4, i.e. four coils per group.
6. The method of claim 5, wherein: the number of turns of each set of four coils is 10, 5 respectively.
7. The winding wiring method of the single-phase three-phase equal-power generator as claimed in claim 1, wherein: the three-phase generator is a three-phase dipolar generator.
8. The winding wiring method of the single-phase three-phase equal-power generator as claimed in claim 1, wherein: the frequency of the three-phase generator is 50Hz/60 Hz.
9. The winding wiring method of the single-phase three-phase equal-power generator as claimed in claim 1, wherein: and the sampling point of the single-phase output is on one phase winding of the preset wire gauge.
10. A single-phase three-phase equipower generator is characterized in that: a single phase three phase equipower generator made by the winding routing method of any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910837938.1A CN110707852A (en) | 2019-09-05 | 2019-09-05 | Single-phase three-phase equipower generator winding wiring method and generator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910837938.1A CN110707852A (en) | 2019-09-05 | 2019-09-05 | Single-phase three-phase equipower generator winding wiring method and generator |
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| Publication Number | Publication Date |
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| CN110707852A true CN110707852A (en) | 2020-01-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910837938.1A Pending CN110707852A (en) | 2019-09-05 | 2019-09-05 | Single-phase three-phase equipower generator winding wiring method and generator |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1103212A (en) * | 1994-10-28 | 1995-05-31 | 林哲民 | Improved ac motor |
| CN2325915Y (en) * | 1997-09-27 | 1999-06-23 | 福州大学 | Three phase electric capacity electric motor |
| CN1459912A (en) * | 2002-05-23 | 2003-12-03 | 王勤 | Multifunction electric generator |
| CN201365157Y (en) * | 2009-02-27 | 2009-12-16 | 重庆茂华科技有限公司 | Single-phase and three-phase equal power output generating set |
| CN202019240U (en) * | 2011-05-06 | 2011-10-26 | 重庆吉力芸峰实业(集团)有限公司 | Stator core for alternating-current motor |
| JP6243968B1 (en) * | 2016-06-17 | 2017-12-06 | オーハツ株式会社 | Generator |
| CN109904945A (en) * | 2018-12-24 | 2019-06-18 | 江苏神驰机电有限公司 | A kind of stator core of constant power generator |
-
2019
- 2019-09-05 CN CN201910837938.1A patent/CN110707852A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1103212A (en) * | 1994-10-28 | 1995-05-31 | 林哲民 | Improved ac motor |
| CN2325915Y (en) * | 1997-09-27 | 1999-06-23 | 福州大学 | Three phase electric capacity electric motor |
| CN1459912A (en) * | 2002-05-23 | 2003-12-03 | 王勤 | Multifunction electric generator |
| CN201365157Y (en) * | 2009-02-27 | 2009-12-16 | 重庆茂华科技有限公司 | Single-phase and three-phase equal power output generating set |
| CN202019240U (en) * | 2011-05-06 | 2011-10-26 | 重庆吉力芸峰实业(集团)有限公司 | Stator core for alternating-current motor |
| JP6243968B1 (en) * | 2016-06-17 | 2017-12-06 | オーハツ株式会社 | Generator |
| CN109904945A (en) * | 2018-12-24 | 2019-06-18 | 江苏神驰机电有限公司 | A kind of stator core of constant power generator |
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Application publication date: 20200117 |