CN110429776A - Double 12 pulse wave double fluid brushless generators - Google Patents
Double 12 pulse wave double fluid brushless generators Download PDFInfo
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- CN110429776A CN110429776A CN201910716796.3A CN201910716796A CN110429776A CN 110429776 A CN110429776 A CN 110429776A CN 201910716796 A CN201910716796 A CN 201910716796A CN 110429776 A CN110429776 A CN 110429776A
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- 239000012530 fluid Substances 0.000 title claims abstract description 16
- 238000004804 winding Methods 0.000 claims abstract description 207
- 230000005284 excitation Effects 0.000 claims abstract description 27
- 230000007704 transition Effects 0.000 claims description 10
- 230000008878 coupling Effects 0.000 claims description 9
- 238000010168 coupling process Methods 0.000 claims description 9
- 238000005859 coupling reaction Methods 0.000 claims description 9
- 238000001816 cooling Methods 0.000 claims description 5
- 230000007935 neutral effect Effects 0.000 claims description 5
- 230000005611 electricity Effects 0.000 claims description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 3
- 238000009413 insulation Methods 0.000 claims description 3
- 229910052710 silicon Inorganic materials 0.000 claims description 3
- 239000010703 silicon Substances 0.000 claims description 3
- 238000009827 uniform distribution Methods 0.000 claims description 3
- 239000004020 conductor Substances 0.000 claims description 2
- 238000005259 measurement Methods 0.000 claims description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 230000006870 function Effects 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000000605 extraction Methods 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000008450 motivation Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009711 regulatory function Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K16/00—Machines with more than one rotor or stator
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K19/00—Synchronous motors or generators
- H02K19/16—Synchronous generators
- H02K19/36—Structural association of synchronous generators with auxiliary electric devices influencing the characteristic of the generator or controlling the generator, e.g. with impedances or switches
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K19/00—Synchronous motors or generators
- H02K19/16—Synchronous generators
- H02K19/36—Structural association of synchronous generators with auxiliary electric devices influencing the characteristic of the generator or controlling the generator, e.g. with impedances or switches
- H02K19/365—Structural association of synchronous generators with auxiliary electric devices influencing the characteristic of the generator or controlling the generator, e.g. with impedances or switches with a voltage regulator
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K19/00—Synchronous motors or generators
- H02K19/16—Synchronous generators
- H02K19/38—Structural association of synchronous generators with exciting machines
-
- 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
- H02K3/12—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors arranged in slots
- H02K3/16—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors arranged in slots for auxiliary purposes, e.g. damping or commutating
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/02—Arrangements for cooling or ventilating by ambient air flowing through the machine
- H02K9/04—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
- H02K9/06—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium with fans or impellers driven by the machine shaft
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2213/00—Specific aspects, not otherwise provided for and not covered by codes H02K2201/00 - H02K2211/00
- H02K2213/03—Machines characterised by numerical values, ranges, mathematical expressions or similar information
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Synchronous Machinery (AREA)
- Control Of Eletrric Generators (AREA)
Abstract
The invention discloses a kind of double 12 pulse wave double fluid brushless generators, it mainly include base, DC generator stator, DC generator rotor, shaft, alternator frame, alternator rotor, end cap, exciter stator, exciter rotor, bearing, rotating rectifier and control system, it is characterized in that being successively fixedly installed with DC generator rotor from front to back in the intracavitary shaft of the base, alternator rotor, bearing and exciter rotor, DC generator stator is successively fixed in base from front to back, alternator frame, end cap and exciter stator, 4 set of 3 phase winding is uniformly embedded in the slot of DC generator stator inner circle, wherein 2 sets of winding phases angles are 0 ° of electrical angle, the phase of other 2 sets of windings is 30 ° of electrical angles, rectified device rectifies to form 4 groups respectively after 4 sets of winding outputs Direct current output, the present invention is with structure is simple, supplied character is flexible, excitation source is noiseless, steady performance.
Description
Technical field
The present invention relates to specific type of electric machines to manufacture field, is specifically to provide a kind of double 12 pulse wave double fluid brushless power-generatings
Machine.
Background technique
Currently, aircraft energizer vehicle realizes that the Main Patterns of AC and DC power supply have following 2 kinds: one is by internal combustion engine
It drags threephase alternator and issues AC power source, DC power supply is then whole after above-mentioned AC power source to be passed through to transformer pressure-reducing
Stream forms DC power supply.For the power supply mode of such AC and DC there are following drawback, the output voltage of DC power supply is not automatic
Regulatory function, only a kind of DC voltage level of fixation, and the ripple of direct current component voltage is larger, AC power source and direct current
Source cannot use simultaneously, not be suitable for the operating condition that AC and DC is needed while being powered.
Another kind is the double-current brushless generator of 2 AC exciters of band, such generator include main alternator and
DC main generator, the main alternator configure an exciter, and the DC main generator configures an exciter, and
All it is a kind of generator of number of poles, individually powers although AC and DC may be implemented, in the presence of structure is complicated, excitation source interference is big.
Summary of the invention
Present invention aim to address above-mentioned the deficiencies in the prior art, provide a kind of compact-sized, supplied character flexibly, encourage
Magnetic source is noiseless, performance is stable, area occupied is small, can be achieved a motor on AC power source and DC power supply simultaneously power
Double 12 pulse wave double fluid brushless generators.
The present invention solves the technological means that above-mentioned technical problem uses:
A kind of double 12 pulse wave double fluid brushless generators mainly include base, DC generator stator, DC generator rotor, turn
Axis, alternator frame, alternator rotor, end cap, exciter stator, exciter rotor, bearing, the first rectifier,
Second rectifier and control system, it is characterised in that be successively fixedly installed with direct current from front to back in the intracavitary shaft of the base
Generator amature, alternator rotor, bearing and exciter rotor, so that DC generator rotor, alternator rotor
Share the rotation of shaft with exciter rotor, the inboard wall of base be successively fixed with from front to back DC generator stator,
Alternator frame, end cap and exciter stator；
DC generator rotor outer ring circumference is embedded with the field winding of DC generator rotor, and DC generator rotor swashs
The electric current of magnetic winding is controlled through control system, and the DC generator stator socket-connects with DC generator rotor, the direct current
Generator unit stator inner ring circumference uniform distribution is embedded with four groups and every 30 ° of two groups of phase mutual deviations of direct current winding, the direct current winding inserting
It is embedded the wire using 4 sets of winding overlap modes, i.e., is embedded with 4 layers of winding, and the 1 of every set winding from slot bottom to notch in each stator slot
Root conducting wire is successively wound in 1,2,3,4 layer of adjacent 4 slots of stator, i.e., same layer conductor around deck label in adjacent stator slots
Difference has 1 zero curve lead-out wire and 1 firewire lead-out wire in each stator slot, and all zero curve lead-out wires connect into stator slot
Neutral point, after the firewire lead-out wire of every 30 ° of two groups of phase mutual deviations of four groups of direct current windings distinguishes rectified bridge rectification in stator slot
Parallel output forms double 12 pulse wave direct current outputs；
The alternator frame socket-connects with alternator rotor, and the alternator frame inner ring circumference is embedded with friendship
Generator unit stator winding is flowed, the alternator frame winding output end is connect with control system, and the alternating current generator turns
Sub- outer ring circumference is embedded with the field winding of alternator rotor, and the electric current of the field winding of alternator rotor is through control
System control；
The bearing outer ring passes through the bearing chamber that end cap is equipped with and is fixedly connected with end cap, in favor of being carried out by end cap to bearing
Support；
The exciter stator socket-connects with exciter rotor, is fixed with the first rectifier on the exciter rotor outer end face
With the second rectifier, exciter rotor outer ring circumference is embedded with 2 layers of armature winding, and 2 layers of armature winding includes 8 Polar armatures
Winding and 4 Polar armature windings, the 4 Polar armature winding and 8 Polar armature winding insulations contact and are axially arranged along exciter rotor,
4 pole field windings, a double wedge in the field winding of 4 pole are wound on every 2 double wedges of the exciter stator inner ring
On be wound with 8 pole field windings so that 4 pole field windings are only in 4 Polar armature winding induced potentials, 8 pole field windings are only in 8 poles
Armature winding induced potential, 4 pole field winding and 8 pole field windings are controlled through control system respectively, 4 Polar armature around
Group and the potential of 8 Polar armature windings induction are mutually indepedent, do not interfere with each other, the extraction of the 8 Polar armature winding through the first rectifier
Line is connected with the field winding of alternator rotor, lead-out wire and direct current of the 4 Polar armature winding through the second rectifier
The field winding of generator amature is connected.
Alternator frame winding of the present invention include the main output winding of three-phase alternating current, alternating current generator auxiliary around
Group and dc generator auxiliary winding, the main output winding of three-phase alternating current successively embed the slot bottom position of the ring recess in stator
It sets, the alternating current generator auxiliary winding and dc generator are symmetrical arranged in stator circumference respectively with auxiliary winding, according to
The secondary notch position for embedding the ring recess in stator；
The alternating current generator auxiliary winding and dc generator are symmetrical arranged in stator circumference respectively with auxiliary winding, and
Alternating current generator auxiliary winding and dc generator auxiliary winding are big in number of stator slots difference shared on stator inner ring
It is less than the half of total slot number in the multiple equal to 3.
Control system of the present invention includes direct current automatic voltage regulator, exchange automatic voltage regulator, direct current pressure drop
Compensated line with exchange voltage-drop compensation route, pass through direct current automatic voltage regulator, exchange automatic voltage regulator, direct current pressure drop
Compensated line automatically adjusts output voltage of the invention with voltage-drop compensation route is exchanged, and makes up to constant；
The alternator frame winding three-phase alternating current output winding output end in 2 phases respectively with exchange automatic voltage tune
Section device is directly connected to, remaining 1 phase by the current transformer that is through in this phase through exchange voltage-drop compensation route with exchange automatic electric
Pressure adjuster be connected, the exchange auxiliary winding of the alternator frame winding with exchange automatic voltage regulator
It is connected, the direct current of the alternator frame winding is connected with auxiliary winding with direct current automatic voltage regulator, so that
Exchange automatic voltage regulator from the direct current of alternator frame with auxiliary winding with exchange with obtaining excitation in auxiliary winding
Power supply, output end of the measurement feedback signal respectively from alternating current generator and dc generator；
It is cased with current transformer in one phase of the ac input end of the external rectifier of double 12 pulse wave direct current outputs, electric current is mutual
The output signal of sensor is connected through direct current pressure drop compensated line with direct current automatic voltage regulator；
Magnet steel on the AC exciter magnetic pole of the stator iron core is used for excitation, when the dragged machine of motor drags and has certain
Revolving speed when AC excitation machine rotor 8 Polar armature windings will generate certain three-phase symmetrical potential, through the first rectifier rectification
At the rotor field winding for supplying alternating current generator after direct current, thus in the main output winding of three-phase alternating current of alternator frame
Potential is exchanged in auxiliary winding while generating with two sets, potential supply exchange automatic voltage regulator operating voltage, exchange is certainly
The magnetic field size of dynamic voltage regulator control 8 pole field winding of exciter stator, to make three intersections of alternator frame
It flows main output winding and sets up voltage rating rapidly；At the same time, for the direct current automatic voltage regulator of dc generator excitation
Also it starts to work, controls 4 pole field windings of AC excitation machine stator, 4 Polar armature windings of exciter rotor is made to generate three-phase
Symmetrical potential provides excitation to the rotor field winding of dc generator, thus in direct current through the second rectifier rectification at direct current
The 2 groups of output ends while output rated voltage of generator.
The present invention can be equipped with threading hole in the shaft, after the threading hole is passed through from the shaft one end of bearing side
Drawn in the other side of bearing, the lead-out wire of first rectifier and the second reorganizer be each passed through threading hole after, it is first whole
The lead-out wire of stream device is connected with the field winding of alternator rotor, and the lead-out wire and dc generator of the second rectifier turn
The field winding of son is connected, to have the function that wiring is compact.
The present invention can be equipped with fan in the shaft output end, and when so that generator working normally, cooling wind is by generating electricity
The rear end of machine enter successively after exciter stator, alternator frame, DC generator stator through fan from transition segment
Air outlet discharge, it is cooling to have the function that.
The present invention can be equipped with transition segment in the base front end, and described transition segment one end is connect by seam allowance with base,
The seam allowance and mounting hole that the other end and pull-over gear are adapted to are connect.
The present invention can be equipped with stacked shaft coupling in the shaft of the fan front, stacked shaft coupling periphery with drag
The cooperation of motivation seam allowance inner headed face guarantees that alternator shaft rotation center and pull-over gear rotation center are almost the same, stacked shaft coupling
Device transmits torque by the frictional force between mounting plane in shaft.
Three-phase silicon polar bridge rectifier is respectively adopted in first rectifier and the second rectifier of the present invention, to reach
The effect of centrifugal force is resisted in high-speed rotation.
The present invention is due to using the above structure, by intracavitary by DC generator rotor, alternative electric generation in the same base
Machine rotor and exciter rotor share a shaft, and exciter is arranged 2 sets using double-pole type excitation mode in an iron core
Winding rotates a shaft, that is, may make an exciter iron core to realize the function of two exciters, realize double-current generator
Self-excitation starting, not only structure becomes compact, substantially reduces motor length, but also reduce dimensional footprint, reduces
The cost of equipment；Meanwhile also making DC generator rotor and alternator rotor while generating respective magnetic field, in electricity
It is mutually indepedent in magnetic structure, it exchanges main output and the main output of direct current is not interfere with each other, reached that excitation source is noiseless, performance is stable
Effect, direct current output can be used in parallel or in series after the rectified output of DC power supply using 12 pulse wave rectifier of two-way, so that for
Electrical characteristics are flexible；The effect that the exchange output and direct current output for realizing a motor work at the same time, in addition, since exchange exports
It is provided with voltage-drop compensation route with direct current output, can remain that the voltage of output end reaches required value.The present invention is due to adopting
With above structure, have that structure is simple, supplied character is flexible, excitation source is noiseless, performance is stable, can be achieved on a motor
The advantages that AC power source and DC power supply are powered simultaneously.
Detailed description of the invention
Fig. 1 is electrical schematic diagram of the invention.
Fig. 2 is structural schematic diagram of the invention.
Fig. 3 is the direct current winding schematic diagram in the present invention.
Appended drawing reference: transition segment 1, stacked shaft coupling 2, fan 3, base 4, DC generator stator 5, dc generator
Rotor 6, shaft 7, alternator frame 8, alternator rotor 9, end cap 10, exciter stator 11, exciter rotor 12,
Bearing 14, direct current winding 15,16,17,18, rectifier 19-1,19-2,19-3,19-4, direct current output 20-1,20-2, exchange hair
Motor stator winding 21,4 Polar armature winding 22 of exciter rotor, 8 Polar armature winding 23 of exciter rotor, direct current automatic voltage tune
Device 25 is saved, automatic voltage regulator 26 is exchanged, direct current pressure drop compensated line 27 exchanges voltage-drop compensation route 28, direct current auxiliary
Winding 30, exchange auxiliary winding 31.
Specific embodiment
The following further describes the present invention with reference to the drawings:
As shown in the picture, a kind of double 12 pulse wave double fluid brushless generators, mainly include base 4, DC generator stator 5, direct current
Generator amature 6, shaft 7, alternator frame 8, alternator rotor 9, end cap 10, exciter stator 11, exciter
Rotor 12, bearing 14, the first rectifier 19-1, the second rectifier 19-2 and control system, it is characterised in that the base 4 is intracavitary
Shaft 7 on be successively fixedly installed with DC generator rotor 6, alternator rotor 9, bearing 14 and exciter from front to back
Rotor 12, so that DC generator rotor 6, alternator rotor 9 and exciter rotor 12 share a shaft 7 and rotate, institute
It states 4 inner wall of base and is successively fixed with DC generator stator 5, alternator frame 8 and end cap 10 and excitation from front to back
Machine stator 11, for the ease of installation, the present invention can fix exciter stator on the dowel with end cap
The 6 outer ring circumference of DC generator rotor is embedded with the field winding of DC generator rotor 6, DC generator rotor 6
The electric current of field winding controlled through control system, the DC generator stator 5 socket-connects with DC generator rotor 6, institute
5 inner ring circumference uniform distribution of DC generator stator is stated embedded with four groups and every 30 ° of two groups of phase mutual deviations of direct current winding 15 and direct current around
Group 16 and direct current winding 17 and direct current winding 18, the direct current winding inserting is using 4 sets of winding overlap mode embeddings, i.e., each
4 layers of winding are embedded in stator slot from slot bottom to notch, and 1 conducting wire of every set winding is successively wound in adjacent 4 of stator
1,2,3,4 layer of slot has 1 zero curve lead-out wire and 1 firewire lead-out wire in each stator slot, all zero curves are drawn in stator slot
Line connects into neutral point, and the firewire lead-out wire of four in stator slot group and every 30 ° of two groups of phase mutual deviations of direct current winding passes through respectively
Parallel output forms double 12 pulse wave direct current outputs after rectifier bridge rectification；
The alternator frame 8 socket-connects with alternator rotor 9, and the 8 inner ring circumference of alternator frame is embedding
There is alternator frame winding, the alternator frame winding output end is connect with control system, the alternative electric generation
9 outer ring circumference of machine rotor is embedded with the field winding of alternator rotor, the electric current warp of the field winding of alternator rotor
Control system control；
14 outer ring of bearing passes through the bearing chamber that end cap is equipped with and is fixedly connected with end cap 10, in favor of passing through end cap to bearing
It is supported；
The exciter stator 11 socket-connects with exciter rotor 12, is fixed with first on 12 outer end face of exciter rotor
Rectifier 19-1 and the second rectifier 19-2, exciter rotor outer ring circumference are embedded with 2 layers of armature winding, 2 layers of armature
Winding includes 8 Polar armature windings and 4 Polar armature windings, and the 4 Polar armature winding and 8 Polar armature winding insulations contact and along excitation
Machine rotor is axially arranged, and is wound with 4 pole field windings on every 2 double wedges of the exciter stator inner ring, 4 pole excitation around
8 pole field windings are wound on a double wedge in group, so that 4 pole field windings are only in 4 Polar armature winding induced potentials, 8 poles
Field winding is only in 8 Polar armature winding induced potentials, and 4 pole field winding and 8 pole field windings are respectively through control system control
It is mutually indepedent on the potential and electromagnetic structure of system, the 4 Polar armature winding and the induction of 8 Polar armature windings, it does not interfere with each other, described 8
Polar armature winding is connected through the lead-out wire of the first rectifier 19-1 with the field winding of alternator rotor, and described 4 is extremely electric
Pivot winding is connected through the lead-out wire of the second rectifier 19-2 with the field winding of DC generator rotor.
Alternator frame winding of the present invention includes the main output winding 21 of three-phase alternating current, alternating current generator auxiliary
Winding 31 and dc generator auxiliary winding 30, the main output winding of three-phase alternating current are successively embedded in each of stator inner ring
The slot bottom position of slot, the alternating current generator auxiliary winding and dc generator with auxiliary winding respectively in stator circumference it is right
Claim setting, successively embed the notch position of the ring recess in stator, and alternating current generator auxiliary winding and dc generator are with auxiliary
Help winding in the half that shared number of stator slots number on stator inner ring is respectively greater than the multiple for being equal to 3 and is less than total slot number.
Embodiment as shown in Figure 3, direct current winding 15,16,17,18 of the present invention, in DC stator slot, Mei Geding
There are 1 zero curve and 1 firewire lead-out wire in pilot trench, the DC generator stator along the circumferential direction totally 24 zero curves and 24 fire
Line wherein connects into 2 asterisms for 12 1 group of zero curve altogether, and totally 8 groups of firewire, wherein 2 groups of firewire, mark marked as 1U1,1V1,1W1
It number is 2 groups of firewire of 1U2,1V2,1W2,2 groups of the firewire marked as 2U1,2V1,2W1, the firewire 2 marked as 2U2,2V2,2W2
Group, it is described marked as 1U1,1V1,1W1 and marked as 1U2,1V2,1W2 firewire phase 30 ° of electrical angles of mutual deviation, it is described marked as
(2U1,2V1,2W1) and marked as 30 ° of electrical angles of (2U2,2V2,2W2) phase mutual deviation, explanation is unfolded by taking winding 1U1 as an example, I
Be defined as from slot bottom to notch direction as 1,2,3,4 layer, the zero line of the 1st conducting wire of winding 1U1 is in corresponding stator slot
1st layer, clockwise successively around the 4th layer of the second layer of second slot, the third layer of third slot and the 4th slot,
And zero line side is drawn from the 4th slot, similarly, the zero line of first conducting wire of 1U2 corresponds to the first of second slot of 1U1
Layer, then successively winds the third layer of the 4th second layer of 1U1 third slot, 1U1 slot, and tail end zero line side is then from the of 1V1
4th layer of extraction of one slot；The zero line of first conducting wire of 2U1 corresponds to the first layer of second slot of 1U2, then successively
The second layer of 1U2 third slot, the third layer of the 4th slot of 1U2 are wound, tail end zero line side is then from the 4th of first slot of 1V2 the
Layer is drawn, and similarly, remaining winding also arranges in this manner, and such aligning method keeps the mutual inductance of each winding and self-induction balanced, is protected
The consistency of output voltage amplitude is demonstrate,proved, so that four groups of output voltage values of direct current winding are equal；In Fig. 3, zero line marked as
1U1,1V1,1W1 are 1 group of 3 symmetrical winding, and zero line is 1 group of 3 symmetrical winding marked as 1U2,1V2,1W2, described
Each group of symmetric winding 120 ° of electrical angles of mutual mutual deviation, above-mentioned zero line is marked as between two groups of symmetric windings of 1U1 and 1U2
30 ° of electrical angles are differed, all zero line sides of above-mentioned 2 groups of windings connect into neutral point, and firewire terminates rectifier bridge and distinguishes rectified bridge
The direct current output of 12 pulse wave of parallel output after rectification；Similarly, 3 symmetrical windings of the zero line marked as 2U1,2V1,2W1 and fire
Line end also differs 30 ° of electrical angles between the 3 symmetrical windings marked as 2U2,2V2,2W2, similarly, above-mentioned 2 groups of symmetric windings institute
There is zero line side to connect into neutral point, zero line distinguishes the direct current output of another group of 12 pulse waves of parallel output after rectified bridge rectification.
Control system of the present invention includes direct current automatic voltage regulator 25, exchange automatic voltage regulator 26, direct current
Voltage-drop compensation route 27 is adjusted with voltage-drop compensation route 28, the direct current automatic voltage regulator 25, exchange automatic voltage is exchanged
Device 26, direct current pressure drop compensated line 27 and the structure for exchanging voltage-drop compensation route 28 are the prior art, and model is respectively ZLW type
With ZPWT type, this is repeated no more, and passes through direct current automatic voltage regulator, exchange automatic voltage regulator, direct current pressure drop compensating line
Road automatically adjusts output voltage of the invention with voltage-drop compensation route is exchanged, make up to it is constant,
The alternator frame winding three-phase alternating current output 21 output end of winding in 2 phases respectively with exchange automatic voltage
Adjuster 26 is directly connected to, remaining 1 phase by the current transformer that is through in this phase through exchange voltage-drop compensation route 28 with exchange
Automatic voltage regulator 26 is connected, the exchange of the alternator frame winding with auxiliary winding 31 with exchange it is automatic
Voltage regulator 26 is connected, and the direct current auxiliary winding 30 and direct current automatic voltage of the alternator frame winding are adjusted
Device 25 is connected so that exchange automatic voltage regulator 26 from the direct current of alternator frame 21 with auxiliary winding 30 with exchange
With field power supply is obtained in auxiliary winding 31, feedback signal is measured respectively from the output of alternating current generator and dc generator
End,
The front end AC side of the external rectifier 19-4 of double 12 pulse wave direct current outputs, the electric current covered in exchange one phase of side are mutual
The output of sensor is connected through direct current pressure drop compensated line 27 with direct current automatic voltage regulator 25, the AC excitation machine stator
Magnet steel on pole core is used for excitation, when the dragged machine of motor drags and has certain revolving speed, AC excitation machine rotor
8 Polar armature windings will generate certain three-phase symmetrical potential, after the first rectifier 19-1 is rectified into direct current supply exchange hair
The rotor field winding of motor, thus in the main output winding of three-phase alternating current and two sets of exchange auxiliary windings of alternator frame
Above while potential, potential supply exchange automatic voltage regulator operating voltage are generated, exchange automatic voltage regulator control is encouraged
The magnetic field size of 8 pole field winding of magnetomechanical stator, so that the main output winding of the three-phase alternating current of alternator frame be made to build rapidly
Erect voltage rating；At the same time, it also starts to work for the direct current automatic voltage regulator of dc generator excitation, control exchange
4 pole field windings of exciter stator make 4 Polar armature windings of exciter rotor generate three-phase symmetrical potential, through the second rectification
Device is rectified into direct current, excitation is provided to the rotor field winding of dc generator, so that 2 groups of output ends in dc generator are same
When output rated voltage.
The present invention can be equipped with threading hole in the shaft, after the threading hole is passed through from the shaft one end of bearing side
It is drawn in the other side of bearing, the lead-out wire of the first rectifier 19-1 and the second reorganizer 19-2 are each passed through threading hole
Afterwards, the lead-out wire of the first rectifier 19-1 is connected with the field winding of alternator rotor, and the second rectifier 19-2's draws
Outlet is connected with the field winding of DC generator rotor, to have the function that wiring is compact.
The present invention 7 output end of shaft in the base 4 is equipped with fan 3, when so that generator working normally, cooling wind
Entered successively after exciter stator 11, alternator frame 8, DC generator stator 5 through wind by the rear end of generator
Fan 3 is discharged from the air outlet of transition segment 1, cooling to have the function that.
The present invention can be equipped with transition segment 1 in 4 front end of base, and described 1 one end of transition segment is connected by seam allowance and base 4
It connects, the seam allowance and mounting hole that the other end and pull-over gear are adapted to are connect.
The present invention can be equipped with stacked shaft coupling 2, stacked 2 periphery of shaft coupling in the shaft 7 of 3 front end of fan
Cooperate with pull-over gear seam allowance inner headed face, guarantees that alternator shaft rotation center and pull-over gear rotation center are almost the same, it is stacked
Shaft coupling 2 relies on the frictional force between mounting plane in shaft and transmits torque.
Three-phase silicon polar bridge rectifier 13 is respectively adopted in first rectifier and the second rectifier of the present invention, to reach
The effect of centrifugal force is resisted in high-speed rotation process.
Working principle of the present invention:
When the present invention is rotated by prime mover driven, by the magnet steel excitation on AC exciter magnetic pole of the stator iron core, exchange is encouraged
8 Polar armature windings of magnetomechanical rotor will generate certain three-phase symmetrical potential, supplies and hands over after the first rectifier rectification is at direct current
The rotor field winding of generator is flowed, thus in the main output winding of three-phase alternating current and two sets of exchange auxiliary of alternator frame
Potential is generated simultaneously on winding, potential supply exchange automatic voltage regulator operating voltage exchanges automatic voltage regulator control
The magnetic field size of 8 pole field winding of exciter stator processed, to keep the main output winding of the three-phase alternating current of alternator frame fast
Run-up erects voltage rating；At the same time, it also starts to work, controls for the direct current automatic voltage regulator of dc generator excitation
4 pole field windings of AC excitation machine stator make 4 Polar armature windings of exciter rotor generate three-phase symmetrical potential, through second
Rectifier rectification provides excitation at direct current, to the rotor field winding of dc generator, thus in 2 groups of outputs of dc generator
End while output rated voltage.
When load, alternator frame winding passes through exchange voltage-drop compensation route feedback signal, DC generator stator
Winding receives feedback signal and through handing over by direct current pressure drop compensated line feedback signal, the virtual voltage of alternating current generator output
Control generator output AC voltage reaches constant after stream automatic voltage regulator processing；The virtual voltage of dc generator output
It receives feedback signal and control generator output DC voltage reaches constant after the processing of direct current automatic voltage regulator.
The present invention is due to using the above structure, by intracavitary by DC generator rotor, alternative electric generation in the same base
Machine rotor and exciter rotor share a shaft, and exciter is arranged 2 sets using double-pole type excitation mode in an iron core
Winding rotates a shaft, that is, may make an exciter iron core to realize the function of two exciters, realize double-current generator
Self-excitation starting, not only structure becomes compact, substantially reduces motor length, but also reduce dimensional footprint, reduces
The cost of equipment；Meanwhile also making DC generator rotor and alternator rotor while generating respective magnetic field, in electricity
It is mutually indepedent in magnetic structure, it exchanges main output and the main output of direct current is not interfere with each other, reached that excitation source is noiseless, performance is stable
Effect, also, AC rotor number of poles and DC rotor number of poles can also be respectively set according to the frequency that AC and DC needs,
And direct current output can be used in parallel or in series after the rectified output of DC power supply using 12 pulse wave rectifier of two-way, so that power supply
Characteristic is flexible；Realize the exchange output and the effect that works at the same time of direct current output of a motor, in addition, due to exchange output and
Direct current output is provided with voltage-drop compensation route, can remain that the voltage of output end reaches required value.
Claims (9)
1. a kind of double 12 pulse wave double fluid brushless generators, mainly include base, DC generator stator, DC generator rotor,
Shaft, alternator frame, alternator rotor, end cap, exciter stator, exciter rotor, bearing, rotating rectifier
And control system, it is characterised in that be successively fixedly installed with dc generator in the intracavitary shaft of the base from front to back and turn
Son, alternator rotor, bearing and exciter rotor, the inboard wall of base are successively fixed with dc generator from front to back
Stator, alternator frame, end cap and exciter stator；
DC generator rotor outer ring circumference is embedded with the field winding of DC generator rotor, DC generator rotor excitation
The electric current of winding is controlled through control system, and the DC generator stator socket-connects with DC generator rotor, the direct current hair
Motor stator inner ring circumference uniform distribution is embedded with 4 groups and every 30 ° of two groups of phase mutual deviations of direct current winding, and the direct current winding inserting uses
4 sets of winding overlap modes embed the wire, i.e., 4 layers of winding are embedded with from slot bottom to notch in each stator slot, and 1 of every set winding leads
Line is successively wound in 1,2,3,4 layer of adjacent 4 slots of stator, i.e., in adjacent stator slots same layer conductor around deck label not
Together, there are 1 zero curve lead-out wire and 1 firewire lead-out wire in each stator slot, all zero curve lead-out wires connect into neutral point, stator
Parallel output is formed the firewire lead-out wire of every 30 ° of two groups of phase mutual deviations of four groups of direct current windings after the rectification of rectified bridge respectively in slot
Double 12 pulse wave direct current outputs；
The alternator frame socket-connects with alternator rotor, and the alternator frame inner ring circumference is embedded with friendship
Generator unit stator winding is flowed, the alternator frame winding output end is connect with control system, and the alternating current generator turns
Sub- outer ring circumference is embedded with the field winding of alternator rotor, and the electric current of the field winding of alternator rotor is through control
System control；
The bearing outer ring passes through the bearing chamber that end cap is equipped with and is fixedly connected with end cap；
The exciter stator socket-connects with exciter rotor, is fixed with the first rectifier on the exciter rotor outer end face
With the second rectifier, exciter rotor outer ring circumference is embedded with 2 layers of armature winding, and 2 layers of armature winding includes 8 Polar armatures
Winding and 4 Polar armature windings, the 4 Polar armature winding and 8 Polar armature winding insulations contact and are axially arranged along exciter rotor,
4 pole field windings, a double wedge in the field winding of 4 pole are wound on every 2 double wedges of the exciter stator inner ring
On be wound with 8 pole field windings, 4 pole field winding and 8 pole field windings are controlled through control system respectively, and described 8 is extremely electric
Lead-out wire of the pivot winding through the first rectifier is connected with the field winding of alternator rotor, the 4 Polar armature winding warp
The lead-out wire of second rectifier is connected with the field winding of DC generator rotor.
2. a kind of double 12 pulse wave double fluid brushless generators according to claim 1, it is characterised in that the alternating current generator
Stator winding includes the main output winding of three-phase alternating current, alternating current generator auxiliary winding and dc generator auxiliary winding, institute
State the main output winding of three-phase alternating current and successively embed the slot bottom position of the ring recess in stator, the alternating current generator auxiliary winding and
Dc generator is symmetrical arranged in stator circumference respectively with auxiliary winding, and successively embeds the notch position of the ring recess in stator
It sets.
3. a kind of double 12 pulse wave double fluid brushless generators according to claim 2, it is characterised in that the alternating current generator
Respectively greater than it is equal to 3 multiple with auxiliary winding and dc generator auxiliary winding number of stator slots shared on stator inner ring
And it is less than the half of total slot number.
4. a kind of double 12 pulse wave double fluid brushless generators according to claim 1 or 2 or 3, it is characterised in that the control
System includes direct current automatic voltage regulator, exchange automatic voltage regulator, direct current pressure drop compensated line and exchanges voltage-drop compensation
Route, the alternator frame winding three-phase alternating current output winding output end in 2 phases respectively with exchange automatic voltage
Adjuster is directly connected to, remaining 1 phase by the current transformer that is through in this phase through exchange voltage-drop compensation route with exchange automatically
Voltage regulator is connected, the exchange auxiliary winding of the alternator frame winding with exchange automatic voltage regulator phase
Connection, the direct current of the alternator frame winding are connected with auxiliary winding with direct current automatic voltage regulator, so as to hand over
Stream automatic voltage regulator from the direct current auxiliary winding of alternator frame with exchange with obtaining excitation electricity in auxiliary winding
Source, output end of the measurement feedback signal respectively from alternating current generator and dc generator；
The front end AC side of the external rectifier of double 12 pulse wave direct current outputs, covers the current transformer in exchange one phase of side
Output be connected through direct current pressure drop compensated line with direct current automatic voltage regulator.
5. a kind of double 12 pulse wave double fluid brushless generators according to claim 4, it is characterised in that the shaft is equipped with
Threading hole, the threading hole from the shaft one end of bearing side pass through after bearing other side axis hole draw, described first
The lead-out wire of rectifier and the second reorganizer be each passed through threading hole after, the lead-out wire and alternator rotor of the first rectifier
Field winding be connected, the lead-out wire of the second rectifier is connected with the field winding of DC generator rotor.
6. a kind of double 12 pulse wave double fluid brushless generators according to claim 1 or 5, it is characterised in that the shaft output
End is equipped with fan, and when generator works normally, cooling wind is entered successively by the rear end of generator by exciter stator, exchange
It is discharged through fan from the air outlet of transition segment after generator unit stator, DC generator stator.
7. a kind of double 12 pulse wave double fluid brushless generators according to claim 6, it is characterised in that the base front end peace
Equipped with transition segment, described transition segment one end is connect by seam allowance with base, the seam allowance and mounting hole that the other end is adapted to pull-over gear
Connection.
8. a kind of double 12 pulse wave double fluid brushless generators according to claim 6 or 7, it is characterised in that the fan front
Shaft be equipped with stacked shaft coupling, stacked shaft coupling periphery and pull-over gear seam allowance inner headed face cooperate.
9. a kind of double 12 pulse wave double fluid brushless generators according to claim 5, it is characterised in that first rectifier
Three-phase silicon polar bridge rectifier is respectively adopted with the second rectifier.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2018115992008 | 2018-12-26 | ||
| CN201811599200.8A CN109450202A (en) | 2018-12-26 | 2018-12-26 | Double 12 pulse wave double fluid brushless generators |
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| CN110429776B CN110429776B (en) | 2024-03-19 |
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| CN201910716796.3A Active CN110429776B (en) | 2018-12-26 | 2019-08-05 | Double 12 pulse wave double flow brushless generator |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112072972A (en) * | 2020-09-16 | 2020-12-11 | 湖南湘电动力有限公司 | Power supply method for automatic voltage regulator of synchronous generator |
| CN113489271A (en) * | 2021-06-21 | 2021-10-08 | 南京航空航天大学 | AC-DC hybrid excitation type motor power generation system |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110380575B (en) * | 2019-07-02 | 2021-08-13 | 哈尔滨工程大学 | Self-excited synchronous generator with radial-flow type heat-dissipation wind wheel |
| CN112421837B (en) * | 2020-11-10 | 2022-07-26 | 哈尔滨电气动力装备有限公司 | Stator winding structure of AC excitation generator on large brushless motor |
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Also Published As
| Publication number | Publication date |
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| CN110429776B (en) | 2024-03-19 |
| CN109450202A (en) | 2019-03-08 |
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