CN1719699A - Coarmature type AC-DC brushless electric generator - Google Patents
Coarmature type AC-DC brushless electric generator Download PDFInfo
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- CN1719699A CN1719699A CN 200510019104 CN200510019104A CN1719699A CN 1719699 A CN1719699 A CN 1719699A CN 200510019104 CN200510019104 CN 200510019104 CN 200510019104 A CN200510019104 A CN 200510019104A CN 1719699 A CN1719699 A CN 1719699A
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Abstract
A coaxial AC-DC brushless generator characterizes in designing AC-DC two sets of windings distributed in a single pivot and designing a brushless exciter on the axis. This invention can provide AC supply of a certain frequency and DC supply with small DC voltage ripple values at the same time to realize brushless and eliminate commutators and brushes.
Description
Technical field
The present invention relates to a kind of Coarmature type AC-DC brushless electric generator.
Background technology
AC power can be provided by single alternating current generator, and DC power supply can be provided by single DC generator, and AC power and DC power supply are provided simultaneously, and having only by an alternating current generator and a DC generator provides.And traditional DC generator has commutator and brush, and this kind generator is the commutator structure, produces spark during operation, radio interference is big, the wearing and tearing easily of sliding, maintenance and repair difficulty, exciting current is big, and Excitation Controller is big and complicated, is difficult to realize automation control.The another kind of way of obtaining DC power supply is: adopt common alternating current generator, with alternating voltage step-down, rectification then.So just need step-down transformer, and direct voltage ripple value is bigger.
Summary of the invention
The object of the present invention is to provide a kind of Coarmature type AC-DC brushless electric generator, the AC power and the less DC power supply of direct voltage ripple value of certain frequency can be provided simultaneously.
The present invention is achieved like this, it comprises brushless exciter, rotating rectifier, polyphase rectifier, fan, support, front end housing, rear end cap and bearing, be furnished with the band winding stator core of main generator in the support, the corresponding band wound rotor iron core that is furnished with stator core on the armature spindle, connect front end housing on the seam before the support, connect fan in the rotating shaft in the front end housing, connect rear end cap behind the support on the seam, the brushless exciter stator core of connecting band winding in the rear end cap, be connected the brushless exciter rotor core of connecting band winding in the rotating shaft in the rear end cap between rear end cap and rotating shaft by bearing.The stator core slot of main generator is embedded with AC Windings, the harmonious wave winding of direct current winding, AC Windings can be single-phase or three-phase, export the AC power of certain frequency, be connected to ac voltage regulator between the excitation winding of AC side and exciter, the direct current winding is that six phases or 12 equate, and join the output DC source with polyphase rectifier.The rotor core of main generator has main excitation winding and damping winding.The brushless exciter stator core is embedded with excitation winding, and the AC exciter rotor core is embedded with AC Windings, and a side of brushless exciter rotor core connects rotating rectifier.
The invention has the advantages that: Coarmature type AC-DC brushless electric generator can provide the AC power and the less DC power supply of direct voltage ripple value of certain frequency simultaneously.Generator collection alternative electric generation and DC generation are one, realize non-brushing, have cancelled commutator and brush, no-spark High-frequency Interference, commutatorless and carbon brush wearing and tearing; Alternating voltage and direct voltage do not disturb mutually during generating, and the alternating voltage waveform sine is good, and direct voltage ripple value is less, and power supply quality is good; Do not need step-down transformer can directly be rectified into low-voltage dc power supply; Generator reliability height is safeguarded simply, realizes the intelligent automation control in power station easily.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Fig. 2 is a fundamental diagram of the present invention.
Fig. 3 is an AC Windings expanded view of the present invention.
Fig. 4 is a direct current developed winding diagram of the present invention.
Embodiment
As Fig. 1, Fig. 2, Fig. 3, shown in Figure 4, the present invention includes compositions such as brushless exciter 7, rotating rectifier 6, polyphase rectifier D, fan 2, support 3, front end housing 1, rear end cap 8 and bearing 9.Be furnished with the stator core 4 of the band winding of main generator in the support 3, corresponding rotor 5 iron cores of arranging the band winding with stator core on the armature spindle, connect front end housing 1 before the support 3 on the seam, connect fan 2 in the front end housing in the rotating shaft, connect rear end cap 8 behind the support on the seam, the AC exciter stator core of connecting band winding in the rear end cap, be connected by bearing 9 between rear end cap and rotating shaft, stator core slot is embedded with AC Windings W, the harmonious wave winding Ws of direct current winding Wd, rotor core has main excitation winding Wf and damping winding, the AC exciter stator core is embedded with excitation winding We, the AC exciter rotor core is embedded with AC Windings WJ, one side of AC exciter rotor core connects rotating rectifier XQ, and AC Windings W can be single-phase or three-phase, exports the AC power of certain frequency, be connected to ac voltage regulator between the excitation winding of AC Windings and exciter, direct current winding Wd is that six phases or 12 equate, and joins the output DC source with polyphase rectifier.AC Windings W and direct current winding Wd omnidirectional distribution.
Its operation principle: after engine driven generators reaches rated speed, the humorous wave winding WS of generator remanent magnetism voltage is through voltage regulator AVR rectification, supply with exciter excitation winding WE and strengthen exciter excitation magnetic field, exciter armature winding WJ responds to alternating voltage, through rotating rectifier XQ rectification, supply with main field winding WF and strengthen main field, AC Windings W responds to alternating voltage, direct current winding Wd induction polyphase ac voltage, the many phase alternating current straightening connects through polyphase rectifier D and is rectified into direct voltage, and this voltage constantly raises stable up to rated voltage.The regulation voltage adjuster AVR alternating voltage of can adjusting.
Sent out AC power by making Coarmature type AC-DC brushless electric generator, can directly be rectified into the DC power supply of required voltage value, direct voltage ripple value is again little simultaneously, therefore, this generator output voltage is low, electric current is big, the number of phases is many, its main winding number of turn is few, lead and many around radical, the winding number of phases is many, so that main winding distributes is extremely important.If the generator of one two magnetic pole, three phase windings that distribute under every magnetic pole are divided into cloth six phase windings under two magnetic poles, and every phase winding Sine distribution then forms low-voltage six commutating phases.
Polyphase rectifier is made up of a plurality of rectifying tubes or three phase rectifier module.When forming N commutating phase device by a plurality of rectifying tubes, the positive pole of N rectifying tube is connected together as the negative pole of DC power supply, the negative pole of N rectifying tube connects together as the positive pole of DC power supply, an other end of these two groups of rectifying tubes is linked to be N rectification brachium pontis one by one, respectively being connected together of each rectification brachium pontis and generator formed polyphase rectifier.Polyphase rectifier can be connected in the motor, also can be connected outside the motor.
Claims (3)
1, a kind of Coarmature type AC-DC brushless electric generator, it comprises brushless exciter, rotating rectifier, polyphase rectifier, fan, support, front end housing, rear end cap and bearing, it is characterized in that being furnished with in the support band winding stator core of main generator, the corresponding band wound rotor iron core that is furnished with stator core on the armature spindle, connect front end housing on the seam before the support, connect fan in the rotating shaft in the front end housing, connect rear end cap behind the support on the seam, the brushless exciter stator core of connecting band winding in the rear end cap, be connected the brushless exciter rotor core of connecting band winding in the rotating shaft in the rear end cap between rear end cap and rotating shaft by bearing.
2, Coarmature type AC-DC brushless electric generator according to claim 1, it is characterized in that the electricity generator stator core groove is embedded with three cover windings, one cover is exported the single-phase of certain frequency or three phase sine alternating current for AC Windings W single-phase or three-phase, one cover is the heterogeneous sinusoidal ac of low-voltage of direct current winding Wd output same frequency, through the polyphase rectifier rectification, DC power supply is provided, and a cover is single-phase humorous wave winding W
SAs the excitation source of exciter, be orthogonal design between AC Windings and the direct current winding, no electromagnetic interference structure.
3, Coarmature type AC-DC brushless electric generator according to claim 1 is characterized in that the rotor core groove is embedded with two kinds of windings, a kind of squirrel-cage short-circuited winding of damping cage, and this winding is made by red copper, and second kind of winding is that salient pole is directly around excitation winding W
F, its exciting current is by coaxial brushless exciter armature winding W
JSupply with through three-phase rotary rectifier module XQ rectification.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100191048A CN100405709C (en) | 2005-07-15 | 2005-07-15 | Coarmature type AC-DC brushless electric generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100191048A CN100405709C (en) | 2005-07-15 | 2005-07-15 | Coarmature type AC-DC brushless electric generator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1719699A true CN1719699A (en) | 2006-01-11 |
| CN100405709C CN100405709C (en) | 2008-07-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB2005100191048A Active CN100405709C (en) | 2005-07-15 | 2005-07-15 | Coarmature type AC-DC brushless electric generator |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101951052A (en) * | 2010-09-27 | 2011-01-19 | 河南省电力公司南阳供电公司 | Alternating-current generator with magnetic field constant direction |
| CN101951074A (en) * | 2010-08-20 | 2011-01-19 | 江西清华泰豪三波电机有限公司 | Shaft driven variable-speed constant-voltage brushless generator |
| CN109677278A (en) * | 2017-10-18 | 2019-04-26 | 江苏卡威汽车工业集团股份有限公司 | A kind of stroke-increasing electric automobile increasing journey system |
| CN110429776A (en) * | 2018-12-26 | 2019-11-08 | 山东德欣电机有限公司 | Double 12 pulse wave double fluid brushless generators |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2192095Y (en) * | 1994-05-20 | 1995-03-15 | 江西三波电机总厂 | Harmonic exciting brushless AC synchronous generator |
| CN1558536A (en) * | 2004-01-18 | 2004-12-29 | 徐剑萍 | Self-synchronization harmonic wave excitation brushless synchronous motor |
-
2005
- 2005-07-15 CN CNB2005100191048A patent/CN100405709C/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101951074A (en) * | 2010-08-20 | 2011-01-19 | 江西清华泰豪三波电机有限公司 | Shaft driven variable-speed constant-voltage brushless generator |
| CN101951052A (en) * | 2010-09-27 | 2011-01-19 | 河南省电力公司南阳供电公司 | Alternating-current generator with magnetic field constant direction |
| CN109677278A (en) * | 2017-10-18 | 2019-04-26 | 江苏卡威汽车工业集团股份有限公司 | A kind of stroke-increasing electric automobile increasing journey system |
| CN110429776A (en) * | 2018-12-26 | 2019-11-08 | 山东德欣电机有限公司 | Double 12 pulse wave double fluid brushless generators |
| CN110429776B (en) * | 2018-12-26 | 2024-03-19 | 山东德欣电机有限公司 | Double 12 pulse wave double flow brushless generator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100405709C (en) | 2008-07-23 |
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