CN103701240A - Energy-saving electric propulsion generator - Google Patents
Energy-saving electric propulsion generator Download PDFInfo
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- CN103701240A CN103701240A CN201310707668.5A CN201310707668A CN103701240A CN 103701240 A CN103701240 A CN 103701240A CN 201310707668 A CN201310707668 A CN 201310707668A CN 103701240 A CN103701240 A CN 103701240A
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Abstract
An energy-saving electric propulsion generator comprises a stator winding part and a rotor sheet, wherein the stator winding part comprises a main stator winding, a stator filtering winding and a stator harmonic winding. The energy-saving electric propulsion generator is characterized in that the main stator winding and the stator harmonic winding are connected in series to form a novel inner source filtering winding; multiple harmonics in the stator filtering winding and harmful harmonics in the main stator winding of the generator are identical in size and opposite in direction; the stator harmonic winding adopts an orthogonal harmonic excitation technology, and is orthogonal to the main stator winding; the rotor sheet adopts a wide polar arc technology, a high damping section technology and a compound pitch damping winding technology. Third, fifth, seventh, eleventh harmonics and other harmonics in the voltage are weakened, the total no-load harmonic content of an output voltage waveform can reach less than 1%, and the energy-saving electric propulsion generator is very suitable for requirements of nolinear loads.
Description
Technical field
The present invention relates to a kind of generator, relate in particular to a kind of energy-saving generator that is applied to ship power propulsion system.
Background technology
All the time, Ship propulsion method is a key areas of boats and ships science and technology research.Traditional Ship propulsion method is to utilize prime mover directly to advance, and it is a kind ofly by prime mover, to drive generator to generate electricity that marine vessel power advances, and through frequency converter, the electric current meeting the demands is delivered to propulsion motor, thereby drives the propulsion mode of screw.Electricity pushing system has the features such as energy-saving safe, flexible arrangement, environment protecting are good, according to accounting, with the ship electric propulsion of power, than internal combustion engine, advances oil consumption to reduce by 15% left and right, and the speed of a ship or plane can improve 0.5 joint.The electric propulsion system critical piece peculiar to vessel generally adopting at present all needs import, and structure is comparatively complicated, and the versatility of parts is poor, makes Maintenance and Repair very inconvenient.According to statistics, newly-built oil tanker, ferry boat, pleasure boat, the container ship of Abroad in Recent Years has 30% employing electric propulsion system, and electric propulsion is applied to advanced marine propuision system becomes trend, and marine propuision system will be a lot of by generator demand.Current domestic other producer that produces this type of generator that also do not have, domestic correlative study is also comparatively backward.
Summary of the invention
The object of the present invention is to provide a kind of energy-saving power propulsion generator, its output voltage waveforms total harmonic distortion is little, energy-saving safe, and cost performance is high, can meet the instructions for use of electric propulsion system big-power transducer nonlinear load.
The present invention is achieved like this, it comprises stator winding part and rotor punching, described stator winding partly comprises stator main winding, stator Filter Winding and stator harmonic winding, it is characterized in that, stator main winding is connected and is become endogenous Filter Winding with stator Filter Winding, its equal and opposite in direction of harmful harmonic wave in multiple harmonic in stator Filter Winding and generator main winding, opposite direction, stator harmonic winding adopts quadrature harmonics wave technology, stator harmonic winding and stator main winding quadrature; Described rotor punching has adopted wide polar arc technology, large damping cross section technology and compound pitch damping winding technology.The structure of described stator main winding is: single double-layer overlapped winding, and every extremely every phase groove number is 3, and pitch is 9, and parallel branch number is 4.The structure of described stator Filter Winding is: full double-layer overlapped winding, and every extremely every phase groove number is 2, and pitch is 4, and parallel branch number is 4.
The structure of described quadrature harmonics wave technology is: stator harmonic winding and stator main winding electrical degree differ 90 °, forms quadrature.The structure of described rotor punching is: polar arc is comprised of radius R 335 and 397 two sections of polar arcs of radius R, and damping hole is 4-φ 16.6, and spacing is 8 ° and 9 °.
Technique effect of the present invention is: the present invention weakens 3 in voltage, 5,7, the harmonic waves such as 11, and the unloaded total harmonic distortion of output voltage waveforms can be less than 1 %, is applicable to very much the needs with nonlinear load.
Accompanying drawing explanation
Fig. 1 is stator main winding expanded view of the present invention.
Fig. 2 is stator Filter Winding expanded view of the present invention.
Fig. 3 is stator harmonic winding expanded view of the present invention.
Fig. 4 is the structural representation of rotor punching of the present invention.
Embodiment
As depicted in figs. 1 and 2, it comprises stator winding part and rotor punching, described stator winding partly comprises stator main winding, stator Filter Winding and stator harmonic winding, it is characterized in that, stator main winding is connected and is become endogenous Filter Winding with stator Filter Winding, its equal and opposite in direction of harmful harmonic wave in multiple harmonic in stator Filter Winding and generator main winding, opposite direction, stator harmonic winding adopts quadrature harmonics wave technology, stator harmonic winding and stator main winding quadrature; Described rotor punching has adopted wide polar arc technology, large damping cross section technology and compound pitch damping winding technology.The structure of described stator main winding is: single double-layer overlapped winding, and every extremely every phase groove number is 3, and pitch is 9, and parallel branch number is 4.The structure of described stator Filter Winding is: full double-layer overlapped winding, and every extremely every phase groove number is 2, and pitch is 4, and parallel branch number is 4.
The present invention adopts the novel winding technology of endogenous filtering, and the advantage of this winding is to weaken 3 in voltage, 5,7, the harmonic waves such as 11 simultaneously, and the unloaded total harmonic distortion of output voltage waveforms can be less than 1%, is applicable to very much the needs with nonlinear load.
As shown in Figure 3, the present invention adopts quadrature harmonics wave technology, the structure of described quadrature harmonics wave technology is: stator harmonic winding and stator main winding electrical degree differ 90 °, form quadrature, compound excitation ability is strong, fast response time, the synchronous followability of load are good, and harmonic winding and main winding quadrature, excitation source is not subject to the impact of main winding, is specially adapted to the application scenario with nonlinear load.
As shown in Figure 4, the present invention adopts wide polar arc technology, large damping cross section technology and compound pitch damping winding technology, the structure of described rotor punching is: polar arc is comprised of radius R 335 and 397 two sections of polar arcs of radius R, and damping hole is 4-φ 16.6, and spacing is 8 ° and 9 °.Pole shoe middle part is even air gap, and pole shoe two ends are non-homogeneous air gap, and rotor strengthens damping through thickening damping sheet and overstriking amortisseur bar, and makes amortisseur bar adopt unevenly spaced distribution reduced harmonic impact, and then increases the adaptive capacity to nonlinear load.
Claims (5)
1. an energy-saving power propulsion generator, it comprises stator winding part and rotor punching, described stator winding partly comprises stator main winding, stator Filter Winding and stator harmonic winding, it is characterized in that, stator main winding is connected and is become endogenous Filter Winding with stator Filter Winding, its equal and opposite in direction of harmful harmonic wave in multiple harmonic in stator Filter Winding and generator main winding, opposite direction, stator harmonic winding adopts quadrature harmonics wave technology, stator harmonic winding and stator main winding quadrature; Described rotor punching has adopted wide polar arc technology, large damping cross section technology and compound pitch damping winding technology.
2. a kind of energy-saving power propulsion generator as claimed in claim 1, is characterized in that, the structure of described stator main winding is: single double-layer overlapped winding, and every extremely every phase groove number is 3, and pitch is 9, and parallel branch number is 4.
3. a kind of energy-saving power propulsion generator as claimed in claim 1, is characterized in that, the structure of described stator Filter Winding is: full double-layer overlapped winding, and every extremely every phase groove number is 2, and pitch is 4, and parallel branch number is 4.
4. a kind of energy-saving power propulsion generator as claimed in claim 1, is characterized in that, the structure of described quadrature harmonics wave technology is: stator harmonic winding and stator main winding electrical degree differ 90 °, forms quadrature.
5. a kind of energy-saving power propulsion generator as claimed in claim 1, is characterized in that, the structure of described rotor punching is: polar arc is comprised of radius R 335 and 397 two sections of polar arcs of radius R, and damping hole is 4-φ 16.6, and spacing is 8 ° and 9 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310707668.5A CN103701240B (en) | 2013-12-20 | 2013-12-20 | A kind of propulsion generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310707668.5A CN103701240B (en) | 2013-12-20 | 2013-12-20 | A kind of propulsion generator |
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| Publication Number | Publication Date |
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| CN103701240A true CN103701240A (en) | 2014-04-02 |
| CN103701240B CN103701240B (en) | 2017-03-15 |
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| CN201310707668.5A Active CN103701240B (en) | 2013-12-20 | 2013-12-20 | A kind of propulsion generator |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106357054A (en) * | 2016-10-19 | 2017-01-25 | 清华大学 | Motor with no external filtering inducer and capable of suppressing high-frequency vibrating noise |
| CN110380531A (en) * | 2019-06-27 | 2019-10-25 | 康富科技股份有限公司 | A kind of dedicated no-brush synchronous generator of UPS |
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| CN2532615Y (en) * | 2002-03-20 | 2003-01-22 | 清华泰豪科技股份有限公司 | Multi-wave mixing-exciting inner-source filter brushless three-phase synchronous generator |
| CN1421983A (en) * | 2001-11-27 | 2003-06-04 | 清华泰豪科技股份有限公司 | Great-capacity single-phase brush-less synchronous generator |
| CN1466258A (en) * | 2002-07-03 | 2004-01-07 | 清华泰豪科技股份有限公司 | Novel air gap structure power generator |
| JP2009268233A (en) * | 2008-04-24 | 2009-11-12 | Mitsubishi Electric Corp | Electric motor and power supply controller |
| CN201490858U (en) * | 2009-06-16 | 2010-05-26 | 泰豪科技股份有限公司 | 12-wire multi-voltage grade high-speed three-phase synchronous generator |
| CN103023171A (en) * | 2012-11-21 | 2013-04-03 | 南昌康富电机技术有限公司 | Marine single-phase taper power generator |
-
2013
- 2013-12-20 CN CN201310707668.5A patent/CN103701240B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1421983A (en) * | 2001-11-27 | 2003-06-04 | 清华泰豪科技股份有限公司 | Great-capacity single-phase brush-less synchronous generator |
| CN2532615Y (en) * | 2002-03-20 | 2003-01-22 | 清华泰豪科技股份有限公司 | Multi-wave mixing-exciting inner-source filter brushless three-phase synchronous generator |
| CN1466258A (en) * | 2002-07-03 | 2004-01-07 | 清华泰豪科技股份有限公司 | Novel air gap structure power generator |
| JP2009268233A (en) * | 2008-04-24 | 2009-11-12 | Mitsubishi Electric Corp | Electric motor and power supply controller |
| CN201490858U (en) * | 2009-06-16 | 2010-05-26 | 泰豪科技股份有限公司 | 12-wire multi-voltage grade high-speed three-phase synchronous generator |
| CN103023171A (en) * | 2012-11-21 | 2013-04-03 | 南昌康富电机技术有限公司 | Marine single-phase taper power generator |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106357054A (en) * | 2016-10-19 | 2017-01-25 | 清华大学 | Motor with no external filtering inducer and capable of suppressing high-frequency vibrating noise |
| CN106357054B (en) * | 2016-10-19 | 2020-11-10 | 清华大学 | Motor without external filter inductor and capable of suppressing high-frequency vibration noise |
| CN110380531A (en) * | 2019-06-27 | 2019-10-25 | 康富科技股份有限公司 | A kind of dedicated no-brush synchronous generator of UPS |
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| Publication number | Publication date |
|---|---|
| CN103701240B (en) | 2017-03-15 |
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