CN106712386A - Multi-electricity system generator set - Google Patents
Multi-electricity system generator set Download PDFInfo
- Publication number
- CN106712386A CN106712386A CN201710013710.1A CN201710013710A CN106712386A CN 106712386 A CN106712386 A CN 106712386A CN 201710013710 A CN201710013710 A CN 201710013710A CN 106712386 A CN106712386 A CN 106712386A
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- CN
- China
- Prior art keywords
- rotary transformer
- stator
- rotor
- phase
- winding
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/18—Structural association of electric generators with mechanical driving motors, e.g. with turbines
- H02K7/1807—Rotary generators
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
- H02K7/116—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Synchronous Machinery (AREA)
Abstract
The invention discloses a multi-electricity system generator set, which comprises a prime mover, a synchronous generator, a main driving shaft, a variable speed gear box, an auxiliary driving shaft and a rotary transformer, wherein the synchronous generator is internally provided with generator stator three-phase windings, an input end of the variable speed gear box is connected with the main driving shaft, an output end of the variable speed gear box is connected with the auxiliary driving shaft, the tail end of the auxiliary driving shaft is connected with the rotary transformer, the rotary transformer comprises a rotary transformer rotor, a rotary transformer stator and a slip ring, the rotary transformer rotor is provided with rotor three-phase windings, the rotary transformer stator is provided with stator three-phase windings, the stator three-phase windings are connected with the generator stator three-phase windings by means of change-over switches separately, and the slip ring is provided with a plurality of rotary transformer wire-outgoing terminals which are connected with the rotor three-phase windings. The multi-electricity system generator set integrates the prime mover, the synchronous generator and the rotary transformer, can realize the frequency conversion and voltage transformation functions of the generator set, saves a complicated and expensive electric power electronic frequency conversion device, is an economical and reliable frequency-conversion voltage-transformation power generation system, and can be used in a multi-electricity-system power supply system, such as port on-shore power supply, power generation ships and the like.
Description
Technical field
The invention belongs to generating set technical field, and in particular to a kind of multi-electric system generating set.
Background technology
Current diesel oil or LNG generating sets typically only export a kind of voltage and frequency, must just make for different demands
The requirement of client is met with the unit of different voltages and frequency.
Particularly in the occasion for needing variable-frequency variable-voltage to generate electricity, user has to be equipped with two sets of units or change winding connection
With AVR controllers, high cost, operation is inconvenient and security cannot guarantee that.
So in the occasion for needing variable-frequency variable-voltage to generate electricity, it is necessary to a kind of can be with the generator of the various electricity systems of compatibility.
The content of the invention
It is an object of the invention to according to the deficiencies in the prior art, design a kind of multi-electric system generating set.
The technical solution adopted for the present invention to solve the technical problems is：A kind of multi-electric system generating set, including prime mover,
The final drive shaft and change gear box of prime mover output end are arranged on, synchronous generator is provided with the middle part of described final drive shaft
Machine, described synchronous generator is internally provided with generator unit stator three-phase windings, described main transmission the tip of the axis and gear teeth
The input of roller box is connected, and the output end of described change gear box is provided with counter drive shaft, the end of described counter drive shaft
End is connected with rotary transformer, and described rotary transformer includes the rotary transformer rotor being connected with counter drive shaft, sets
Rotary transformer stator and the slip ring for being arranged on rotary transformer rotor afterbody in the middle part of rotary transformer, described rotation become
Rotor three-phase winding and three-phase stator winding, described stator three-phase are respectively arranged with depressor rotor and rotary transformer stator
Winding is connected with generator unit stator three-phase windings respectively by switching switch, and multiple rotation transformations are provided with described slip ring
Device outlet terminal, described rotary transformer outlet terminal is connected by slip ring with rotor three-phase winding.
A kind of described multi-electric system generating set, it is different that every phase stator winding of its three-phase stator winding is provided with no-load voltage ratio
Tap.
A kind of described multi-electric system generating set, its three-phase stator winding is input winding, described rotor three-phase winding
It is output winding.
A kind of described multi-electric system generating set, is provided with arrangement of clutch, described change-speed gearing in its change gear box
The output end of case is provided with locker with the junction of counter drive shaft.
A kind of described multi-electric system generating set, is respectively arranged with its rotary transformer rotor and rotary transformer stator
Rotor slot and stator slot, described rotor three-phase winding and three-phase stator winding are separately positioned on rotor slot and stator line
In groove.
The beneficial effects of the invention are as follows：
Prime mover, synchronous generator, rotary transformer are placed in one by the present invention, are capable of achieving the variable-frequency variable-voltage work(of generating set
Can, complicated, expensive power electronics converter plant is eliminated, it is a kind of economic, reliable variable-frequency variable-voltage electricity generation system, can apply
In multi-electric system electric power system, such as harbour bank electricity, generating ship.
Brief description of the drawings
Fig. 1 is schematic diagram of the invention.
Each reference is：1-prime mover, 2-synchronous generator, 3-final drive shaft, 4-change gear box, 5-secondary
Power transmission shaft, 6-rotary transformer rotor, 7-rotary transformer stator, 8-slip ring, 9-rotary transformer outlet terminal, 10-
Switching switch.
Specific embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings.
Shown in reference picture 1, the invention discloses a kind of multi-electric system generating set, including prime mover 1, prime mover 1 is arranged on
The final drive shaft 3 and change gear box 4 of output end, the middle part of described final drive shaft 3 are provided with synchronous generator 2, the original
Motivation 1 is mechanically coupled with synchronous generator 2 by the way that final drive shaft 3 is coaxial, and described synchronous generator 2 is internally provided with generator
Three-phase stator winding, the end of described final drive shaft 3 is connected with the input of change gear box 4, described change-speed gearing
The output end of case 4 is provided with counter drive shaft 5, and the end of described counter drive shaft 5 is connected with rotary transformer, counter drive shaft 5 with
Rotary transformer rotor is coaxially mechanically coupled, and described rotary transformer includes the rotary transformer being connected with counter drive shaft 5
Rotor 6, the rotary transformer stator 7 being arranged in the middle part of rotary transformer and the slip ring for being arranged on the afterbody of rotary transformer rotor 6
8, be respectively arranged with described rotary transformer rotor 6 and rotary transformer stator 7 rotor three-phase winding and stator three-phase around
Group, the rotary transformer stator side winding is input winding, and rotor-side winding is output winding, described three-phase stator winding
It is connected with generator unit stator three-phase windings respectively by switching switch 10, multiple rotation transformations is provided with described slip ring 8
Device outlet terminal 9, described rotary transformer outlet terminal 9 is connected by slip ring 8 with rotor three-phase winding.
Every phase stator winding of described three-phase stator winding is provided with the different tap of no-load voltage ratio to change output voltage
Amplitude, by switching the selection of the switch 10 different generator unit stator three-phase windings taps of connection to change the work of rotary transformer
Make no-load voltage ratio and output voltage, rotor is rotated by prime mover 1 to adjust output voltage frequency, and output port is through slip ring and rotation
The winding of transformer rotor 6 is connected.
Described three-phase stator winding is input winding, and described rotor three-phase winding is output winding.
It is provided with arrangement of clutch in described change gear box 4, the output end and counter drive shaft of described change gear box 4
5 junction is provided with locker, can be latched rotary transformer rotor when frequency conversion is not needed motionless.
Rotor slot and stator slot are respectively arranged with described rotary transformer rotor 6 and rotary transformer stator 7,
Described rotor three-phase winding and three-phase stator winding are separately positioned in rotor slot and stator slot.
Prime mover 1 drives final drive shaft 3 that transformer is rotated by change gear box 4, counter drive shaft 5 while rotation
Rotor 6 rotates, and changing rotor speed can change rotor output voltage frequency, if prime mover 1 drives main transmission with 1000RPM rotating speeds
Axle 3 rotates, and drives synchronous generator 2 to generate electricity, and the rated voltage of synchronous generator 2 and frequency are 690V/50Hz, and final drive shaft 3 is passed through
Change gear box 4 drives counter drive shaft 5 to rotate, if the no-load voltage ratio of change gear box 4 is 1000:300, counter drive shaft 5 is with 300RPM
That is 50r/s rotor drivens rotation；According to the principle of electric rotating machine：Rotating speednAnd stator frequencyf 1, rotor frequencyf 2And number of pole-pairsp's
Relation meets：
I.e.
Understand to change rotor speednRotor output voltage frequency can be changedf 2。
When using, if prime mover 1 drives final drive shaft 3 to rotate with 1000RPM rotating speeds, synchronous generator 2 is driven to generate electricity, together
The step rated voltage of generator 2 and frequency are 690V/50Hz.
Final drive shaft 3 drives counter drive shaft 5 to rotate through change gear box 4, if the no-load voltage ratio of change gear box 4 is 1000:
300, counter drive shaft 5 is that 50r/s is rotated transformer rotor 6 and rotates with 300RPM.
Rotary transformer includes rotary transformer stator 7, rotary transformer rotor 6, slip ring 8 and is placed in stator slot
Three-phase stator winding and the rotor three-phase winding that is placed in rotor slot.Three-phase stator winding set the different tap of no-load voltage ratio so as to
Change the amplitude of output voltage, rotary transformer rotor 6 is rotated by prime mover 1 to adjust output voltage frequency, and rotation becomes
Depressor outlet terminal 9 is connected through slip ring 8 with rotor three-phase winding.
According toI.e., work as n=-50r/s, during p=2, f2=60Hz.Adjustment change gear box 4
No-load voltage ratio, thus it is possible to vary the output voltage frequency of rotary transformer rotor 6；When needing output 50Hz frequency electricity processed, by speed change
The mechanical trip of gear-box 4, and fixed rotary transformer rotor 6 using fastener, then output frequency will not change.
The lead-out terminal of generator unit stator three-phase windings is connected with the input terminal of rotary transformer with switching switch 10,
By switching the different tap group of the switching of switch 10 to reach pressure regulation purpose.
Prime mover 1, synchronous generator 2, rotary transformer are placed in one by the present invention, and the frequency conversion for being capable of achieving generating set becomes
Pressure function, eliminates complicated, expensive power electronics converter plant, is a kind of economic, reliable variable-frequency variable-voltage electricity generation system, can
It is applied in multi-electric system electric power system, such as harbour bank electricity, generating ship.
The above-described embodiments merely illustrate the principles and effects of the present invention, and the embodiment that part uses, for
For one of ordinary skill in the art, without departing from the concept of the premise of the invention, can also make it is some deformation and
Improve, these belong to protection scope of the present invention.
Claims (5)
1. a kind of multi-electric system generating set, it is characterised in that：Including prime mover（1）, be arranged on prime mover（1）The main biography of output end
Moving axis（3）And change gear box（4）, described final drive shaft（3）Middle part be provided with synchronous generator（2）, described synchronization
Generator（2）It is internally provided with generator unit stator three-phase windings, described final drive shaft（3）End and change gear box（4）
Input be connected, described change gear box（4）Output end be provided with counter drive shaft（5）, described counter drive shaft（5）
End be connected with rotary transformer, described rotary transformer includes and counter drive shaft（5）The rotary transformer being connected turns
Son（6）, the rotary transformer stator that is arranged in the middle part of rotary transformer（7）Be arranged on rotary transformer rotor（6）Afterbody
Slip ring（8）, described rotary transformer rotor（6）With rotary transformer stator（7）On be respectively arranged with rotor three-phase winding and
Three-phase stator winding, described three-phase stator winding is switched by switching（10）It is connected with generator unit stator three-phase windings respectively
Connect, described slip ring（8）On be provided with multiple rotary transformer outlet terminals（9）, described rotary transformer outlet terminal（9）
By slip ring（8）It is connected with rotor three-phase winding.
2. a kind of multi-electric system generating set according to claim 1, it is characterised in that described three-phase stator winding it is every
Phase stator winding is provided with the different tap of no-load voltage ratio.
3. a kind of multi-electric system generating set according to claim 2, it is characterised in that described three-phase stator winding is defeated
Enter winding, described rotor three-phase winding is output winding.
4. a kind of multi-electric system generating set according to claim 3, it is characterised in that described change gear box（4）It is interior
It is provided with arrangement of clutch, described change gear box（4）Output end and counter drive shaft（5）Junction be provided with lock dress
Put.
5. a kind of multi-electric system generating set according to claim 4, it is characterised in that described rotary transformer rotor
（6）With rotary transformer stator（7）On be respectively arranged with rotor slot and stator slot, described rotor three-phase winding and stator
Three-phase windings are separately positioned in rotor slot and stator slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710013710.1A CN106712386B (en) | 2017-01-09 | 2017-01-09 | A kind of multi-electric system generating set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710013710.1A CN106712386B (en) | 2017-01-09 | 2017-01-09 | A kind of multi-electric system generating set |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106712386A true CN106712386A (en) | 2017-05-24 |
| CN106712386B CN106712386B (en) | 2019-01-15 |
Family
ID=58908075
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710013710.1A Active CN106712386B (en) | 2017-01-09 | 2017-01-09 | A kind of multi-electric system generating set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106712386B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109656219A (en) * | 2019-01-01 | 2019-04-19 | 武汉船用电力推进装置研究所（中国船舶重工集团公司第七二研究所） | A kind of distribution Ship Propeling centralized control equipment |
| CN113155275A (en) * | 2021-03-16 | 2021-07-23 | 武汉船用电力推进装置研究所（中国船舶重工集团公司第七一二研究所） | Device and method for monitoring vibration/signal feedback of propulsion motor |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5770909A (en) * | 1996-12-13 | 1998-06-23 | Rosen Motors, L.P. | Wound rotor synchronous motor-generator and field control system therefor |
| CN101725476A (en) * | 2008-10-28 | 2010-06-09 | 马杰 | Variable speed constant frequency permanent magnetic speed-adjusting wind power generator |
| CN202978667U (en) * | 2012-12-13 | 2013-06-05 | 中国矿业大学 | Variable-frequency transformer |
| JP2013198258A (en) * | 2012-03-19 | 2013-09-30 | Denso Corp | Exciter of rotary electric machine |
-
2017
- 2017-01-09 CN CN201710013710.1A patent/CN106712386B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5770909A (en) * | 1996-12-13 | 1998-06-23 | Rosen Motors, L.P. | Wound rotor synchronous motor-generator and field control system therefor |
| CN101725476A (en) * | 2008-10-28 | 2010-06-09 | 马杰 | Variable speed constant frequency permanent magnetic speed-adjusting wind power generator |
| JP2013198258A (en) * | 2012-03-19 | 2013-09-30 | Denso Corp | Exciter of rotary electric machine |
| CN202978667U (en) * | 2012-12-13 | 2013-06-05 | 中国矿业大学 | Variable-frequency transformer |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109656219A (en) * | 2019-01-01 | 2019-04-19 | 武汉船用电力推进装置研究所（中国船舶重工集团公司第七二研究所） | A kind of distribution Ship Propeling centralized control equipment |
| CN109656219B (en) * | 2019-01-01 | 2021-04-06 | 武汉船用电力推进装置研究所（中国船舶重工集团公司第七一二研究所） | Distributed ship propulsion centralized control device |
| CN113155275A (en) * | 2021-03-16 | 2021-07-23 | 武汉船用电力推进装置研究所（中国船舶重工集团公司第七一二研究所） | Device and method for monitoring vibration/signal feedback of propulsion motor |
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| Publication number | Publication date |
|---|---|
| CN106712386B (en) | 2019-01-15 |
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