CN105429332B - A kind of series connection for concatenating motor stator winding and parallel method - Google Patents
A kind of series connection for concatenating motor stator winding and parallel method Download PDFInfo
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- CN105429332B CN105429332B CN201510912544.XA CN201510912544A CN105429332B CN 105429332 B CN105429332 B CN 105429332B CN 201510912544 A CN201510912544 A CN 201510912544A CN 105429332 B CN105429332 B CN 105429332B
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- 238000004804 winding Methods 0.000 title claims abstract description 195
- 238000000034 method Methods 0.000 title claims abstract description 40
- 230000005611 electricity Effects 0.000 claims description 2
- 230000005662 electromechanics Effects 0.000 abstract description 4
- 238000009826 distribution Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 4
- 238000005304 joining Methods 0.000 description 4
- 238000005553 drilling Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/04—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors
- H02K3/28—Layout of windings or of connections between windings
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
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- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Windings For Motors And Generators (AREA)
- Manufacture Of Motors, Generators (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The present invention relates to a kind of series connection method and parallel method for concatenating motor stator winding, the series connection and parallel connection of upper and lower two submersible motor stator windings internally can be realized with ingenious, and it ensure that each corresponding stator winding is completely the same in the number of turn, the size per phase current and phase, caused stator magnetic potential ripple is identical, so that it is guaranteed that two electromechanics performances are consistent, load distribution balance.The lower motor of concatenation does not have single outgoing cable, will not take the radial space size of motor, can reduce motor radial dimension to greatest extent.
Description
Technical field
The invention belongs to submersible electric motor field, and in particular to a kind of series connection for concatenating motor stator winding and parallel connection side
Method.
Background technology
In recent years, as the decline of level of ground water, drilling depth are consequently increased.Cost of digging a well can be with well depth and hole diameter
Increase and sharply increase, to be cost-effective, drilling well footpath well is all as far as possible small under conditions of use demand is met, this requires to be made
Submersible pump meets lift height, the requirement that power is big, external diameter is small.The submersible motor that power is big, external diameter is small can only be by adding
Long electric machine iron core is realized, but the length of motor shaft is consequently increased, when reaching certain length, motor shaft rigidity and critical
Rotating speed brings great adverse effect to the performance and reliability of motor, in addition, elongated motor shaft is in processing and manufacturing
There is also certain difficulty.
At present, China in high-power, slender type submersible motor manufacture more uses concatenation type, will two identicals dive
Hydroelectric machine is connected in structure, and stator winding is connected in some way, synchronizes them operating, reaches slender type and dive
Hydroelectric machine exports powerful purpose, while it also avoid the use of slender type motor shaft.Concatenate motor it is critical that
The connected mode of two submersible motor stator windings, if the winding mode of stator winding is unreasonable, two concatenation motors will be made
Rotating speed, the mechanical property such as torque it is inconsistent, do not reach the predetermined purpose of motor joining.Although current concatenation motor can solve
Some problems in practical application, but also have larger gap away from really practical, matured product is formed, also need constantly to improve.
The content of the invention
A kind of the defects of it is an object of the invention to overcome prior art, there is provided series connection and simultaneously for concatenating motor stator winding
Linked method, it can fundamentally ensure that the electromagnetic parameter of two concatenation motors is completely the same, two concatenation motor stators are per mutually electricity
The size and phase of stream are completely the same, and caused stator magnetic potential ripple is identical, so that it is guaranteed that two electromechanics performances are consistent, bear
Carry distribution equilibrium.
To achieve these goals, the technical scheme that the present invention takes is as follows：
A kind of series connection method for concatenating motor stator winding, specifically comprising following method：
Two motor shafts of two submersible motors are concatenated first, then using following any mode to stator around
Group is concatenated：
Method one：When three-phase windings use Y connection, each wire casing of M group winding wires during upper motor stator winding kinking
Inside after the enough designed coil turns of winding, then wind the N group winding wires of upper motor stator, the N groups of upper motor stator around
A specially appointed wire casing k is set in group line, makes the number of turns in wire casing k than the designed few circle of the number of turn, upper motor
Number of turns in the N group winding wires of stator in remaining wire casing is the designed number of turn, and the N group winding wires of upper motor stator twine
Winding wire is led into lower motor after, carries out the winding of lower motor stator winding line, lower motor stator per phase winding around
The method for winding of line method and corresponding upper motor stator per phase winding is consistent, unique difference be exactly in lower motor with upper motor
Wire casing K corresponding to specially appointed wire casing KUnderNumber of turns for design the number of turn, rather than than design the number of turn it is few one enclose, instantly
After motor stator winding is wound, winding wire is drawn out to outside motor by N groups winding wire wire casing k in upper motor；
Method two：When three-phase windings use delta connection, one is set in the M group winding wires in upper motor stator winding
Specially appointed wire casing q is fewer than the number of turns of design to be pounded around one, remaining wire casing in the M group winding wires in upper motor stator winding
By design number of turn winding, winding wire is led into lower motor after the M groups winding wire winding in upper motor stator winding, entered
The winding of the lower motor stator winding of row, during lower motor stator winding kinking in each wire casing of M group winding wires winding it is enough set by
After the coil turn of meter, the N group winding wires of lower motor stator are then wound, treat the N group winding wires of lower motor stator according to set
After the coil turn winding of meter, pass through specially appointed wire casing q in upper motor to lead back supreme motor winding wire, carry out
The winding of N groups winding wire in motor stator winding, the winding method of winding method and the N group winding wires in lower motor stator winding
Unanimously.
A kind of parallel method for concatenating motor stator winding, specifically comprising following method：
Two motor shafts of two submersible motors are concatenated first, by the M group windings in upper and lower motor stator winding
Line exchanges mutually a circle with N groups winding wire.
As further improvement of the invention, the M groups winding wire by upper and lower motor stator winding and N group windings
The specific method that line exchanges mutually a circle is as follows：
Motor M groups winding wire is few around a circle in step 1, the N group winding wires that the circle coil is moved in lower motor：
The N groups winding wire of motor is few around a circle under step 2, the M group winding wires that the circle coil is moved in upper motor.
Compared with prior art, having the beneficial effect that acquired by the present invention：
The special serial or parallel connection method of stator winding during motor joining provided by the invention, can with it is ingenious realize it is upper and lower
The serial or parallel connection of two submersible motor stator windings internally, and ensure that each corresponding stator winding in the number of turn, every phase current
Size and phase it is completely the same, caused stator magnetic potential ripple is identical, so that it is guaranteed that two electromechanics performances are consistent, bears
Carry distribution equilibrium.
, can meanwhile the lower motor of concatenation does not have single outgoing cable, will not take the radial space size of motor
Reduce motor radial dimension to greatest extent.
Brief description of the drawings
Accompanying drawing 1 is the developed winding diagram of the inventive method one；
Accompanying drawing 2 is the developed winding diagram of the inventive method two；
Accompanying drawing 3 is the developed winding diagram of parallel method step 1 of the present invention；
Accompanying drawing 4 is the developed winding diagram of parallel method step 2 of the present invention.
Embodiment
Further details of narration is carried out to the series-mounting of the present invention below in conjunction with accompanying drawing 1-4.
Embodiment 1：
Two submersible motors of concatenation realize the connection of upper and lower two motor shafts in some way in mechanical structure,
The stator winding of upper and lower two submersible motors is connected using special series system.The stator winding of upper and lower two submersible motors
Expanded view of connecting is as shown in Figure 1.
When upper and lower two motor joinings, three-phase windings use star（Y shape）When connection is connected, upper motor stator winding kinking
When M group winding wires each wire casing in after the enough designed coil turns of winding, and then wind the N groups of upper motor stator around
Line is organized, there was only a specially appointed wire casing k in N group winding wires（Such as in the present embodiment it is the 14th wire casing）Interior number of turns
A circle fewer than the designed number of turn, the number of turns in N group winding wires in remaining wire casing be designed by the number of turn, N group windings
Winding wire is led into lower motor after line winding, carries out the winding of lower motor stator winding line, lower motor stator is per phase winding
Method for winding per phase winding of method for winding and corresponding upper motor stator it is consistent, that is, M when descending motor stator winding kinking
After coil turn in each wire casing of group winding wire designed by winding enough, the N group winding wires of lower motor stator are then wound,
In lower motor with the specially appointed wire casing K of upper motor corresponding to wire casing KUnder（Such as in this example it is the 14th wire casing）Around wire turn
Number is the design number of turn, rather than enclosed than the design number of turn few one, after motor stator winding winding instantly, winding wire is passed through upper
Specially appointed few wire casing k around a circle in motor（Such as in the present embodiment it is the 14th wire casing）It is drawn out to outside motor.This string
Linked method can ensure that number of turns of two motor stator windings up and down per phase of concatenation is completely the same, the size per phase current
It is completely the same with phase, it is consistent in the mechanical performance for two motors for fundamentally ensureing concatenation.
Embodiment 2
Two submersible motors of concatenation realize the connection of upper and lower two motor shafts in some way in mechanical structure,
The stator winding of upper and lower two submersible motors is connected using special series system.The stator winding of upper and lower two submersible motors
Expanded view of connecting is as shown in Figure 2.
When upper and lower two motor joinings, three-phase windings use triangle（△ shapes）When connection is connected, upper motor stator winding
In M group winding wires in an only specially appointed wire casing q (such as be the 12nd wire casing in embodiment) than designing around wire turn
Number is few to be pounded around one, and remaining wire casing is by design number of turn winding in M group winding wires, when the M group winding wires in upper motor stator winding
Winding wire is led into lower motor after winding, carries out the winding of lower motor stator winding.Each line of lower motor stator winding
Groove by design number of turn winding, after treating lower motor stator winding line winding, winding wire is passed through in upper motor and specified
Wire casing q（Such as in the present embodiment it is the 12nd wire casing）Supreme motor is led back, carries out N groups winding wire in motor stator winding
Winding, winding method are consistent with the winding method of the N group winding wires in lower motor stator winding.This series connection method can ensure
Number of turns and method for winding of upper and lower two motors per phase winding are completely the same, size of current and phase complete one per phase
Cause, so that it is guaranteed that two electromechanics performances of concatenation are consistent.
Embodiment 3
Two submersible motors of concatenation realize the connection of upper and lower two motor shafts in some way in mechanical structure,
The stator winding of upper and lower two submersible motors is connected using special parallel way.The stator winding of upper and lower two submersible motors
Expanded view in parallel is as shown in Figure 3 and Figure 4.
When two submersible motors are serially connected up and down, using special coiling side during two motor stator winding parallel connections
Method, the M groups winding wire in upper and lower motor stator winding and N groups winding wire are exchanged into mutually a circle, i.e., upper motor M group winding wires
It is few to be enclosed around one, the N group winding wires that the circle coil is moved in lower motor, also, the N groups winding wire of lower motor is few around a circle, and will
The M group winding wires that the circle coil is moved in motor.The connection scheme is ingenious to realize upper and lower motor stator winding internally
Parallel connection, and ensure that each corresponding stator winding is completely the same in the number of turn, loop length size, to realize that it is identical that two motors possess
Mechanical property provides necessary condition.
Embodiment described above is only the preferred embodiments of the present invention, and the simultaneously exhaustion of the feasible implementation of non-invention.It is right
For persons skilled in the art, on the premise of without departing substantially from the principle of the invention and spirit to any aobvious made by it and
The change being clear to, it should all be contemplated as falling with the claims of the present invention.
Claims (3)
1. a kind of series connection method for concatenating motor stator winding, it is characterised in that specifically comprising following method：
Two motor shafts of two submersible motors are concatenated first, then stator winding entered using following any mode
Row concatenation：
Method one：When three-phase windings use Y connection, during upper motor stator winding kinking in each wire casing of M group winding wires
After the enough designed coil turns of winding, the N group winding wires of upper motor stator, the N group winding wires of upper motor stator are then wound
One specially appointed wire casing k of middle setting, make the number of turns in wire casing k than the designed few circle of coil turn, upper motor
Number of turns in the N group winding wires of stator in remaining wire casing is designed coil turn, the N group windings of upper motor stator
Winding wire is led into lower motor after line winding, carries out the winding of lower motor stator winding line, lower motor stator is per phase winding
Method for winding per phase winding of method for winding and corresponding upper motor stator it is consistent, unique difference be exactly in lower motor with it is upper
Wire casing K corresponding to the specially appointed wire casing K of motorUnderNumber of turns for design coil turn, rather than than design line
The few circle of the number of turn is enclosed, after motor stator winding winding instantly, winding wire is drawn by N groups winding wire wire casing k in upper motor
Go out to outside motor；
Method two：One is set when three-phase windings use delta connection, in the M group winding wires in upper motor stator winding especially
The wire casing q specified is fewer than the coil-winding number of turn of design to be pounded around one, remaining wire casing in the M group winding wires in upper motor stator winding
By the coil turn winding of design, winding wire is led to down after the M groups winding wire winding in upper motor stator winding
Motor, carries out the winding of lower motor stator winding, is wound in each wire casing of M group winding wires during lower motor stator winding kinking
After enough designed coil turns, then wind the N group winding wires of lower motor stator, treat the N groups winding wire of lower motor stator by
After according to designed coil turn winding, specially appointed wire casing q in upper motor is passed through to lead back supreme motor winding wire,
Carry out the winding of N groups winding wire in motor stator winding.
2. a kind of parallel method for concatenating motor stator winding, it is characterised in that specifically comprising following method：
Two motor shafts of two submersible motors are concatenated first, by the M groups winding wire in upper and lower motor stator winding with
N groups winding wire exchanges mutually a circle.
3. it is according to claim 2 it is a kind of concatenate motor stator winding parallel method, it is characterised in that it is described by it is upper,
The specific method that M groups winding wire in lower motor stator winding exchanges mutually a circle with N groups winding wire is as follows：
Step 1：Upper motor M groups winding wire is few around a circle, the N group winding wires that the circle coil is moved in lower motor, means electricity
Few each groove for referring to around a circle occupied by him is few around a circle in machine M group windings, then the circle is moved to the N groups of lower motor around
In group in multiple wire casings；
Step 2：The N groups winding wire of lower motor is few around a circle, the M group winding wires that the circle coil is moved in upper motor, means down
Each wire casing is few around a circle in the N group windings of motor, moves to the circle after in the M group windings of upper motor in multiple wire casings.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510912544.XA CN105429332B (en) | 2015-12-11 | 2015-12-11 | A kind of series connection for concatenating motor stator winding and parallel method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510912544.XA CN105429332B (en) | 2015-12-11 | 2015-12-11 | A kind of series connection for concatenating motor stator winding and parallel method |
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| Publication Number | Publication Date |
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| CN105429332A CN105429332A (en) | 2016-03-23 |
| CN105429332B true CN105429332B (en) | 2018-02-16 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114814583A (en) * | 2022-05-31 | 2022-07-29 | 日立电梯电机（广州）有限公司 | Testing device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1063784A (en) * | 1992-01-16 | 1992-08-19 | 山西省农业机械化科学研究所 | Series submersible electric motor |
| EP1248350A2 (en) * | 2001-04-06 | 2002-10-09 | Mitsubishi Denki Kabushiki Kaisha | Stator for a dynamoelectric machine |
| FR2868620A1 (en) * | 2004-03-31 | 2005-10-07 | Valeo Equip Electr Moteur | POLYPHASE INDUCTOR FOR ROTATING ELECTRIC MACHINE, IN PARTICULAR AN ALTERNATOR FOR A MOTOR VEHICLE, AND METHOD FOR MANUFACTURING THE SAME |
| CN201298790Y (en) * | 2008-11-24 | 2009-08-26 | 天津甘泉集团有限公司 | High-lift and high-power submergible pump motor |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4910572B2 (en) * | 2006-08-30 | 2012-04-04 | 株式会社デンソー | Rotating electric machine for vehicles |
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2015
- 2015-12-11 CN CN201510912544.XA patent/CN105429332B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1063784A (en) * | 1992-01-16 | 1992-08-19 | 山西省农业机械化科学研究所 | Series submersible electric motor |
| EP1248350A2 (en) * | 2001-04-06 | 2002-10-09 | Mitsubishi Denki Kabushiki Kaisha | Stator for a dynamoelectric machine |
| FR2868620A1 (en) * | 2004-03-31 | 2005-10-07 | Valeo Equip Electr Moteur | POLYPHASE INDUCTOR FOR ROTATING ELECTRIC MACHINE, IN PARTICULAR AN ALTERNATOR FOR A MOTOR VEHICLE, AND METHOD FOR MANUFACTURING THE SAME |
| CN201298790Y (en) * | 2008-11-24 | 2009-08-26 | 天津甘泉集团有限公司 | High-lift and high-power submergible pump motor |
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| CN105429332A (en) | 2016-03-23 |
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Effective date of registration: 20201022 Address after: 050051 workshop 1, No.2, Huaxing Road, Qiaoxi District, Shijiazhuang City, Hebei Province Patentee after: SHIJIAZHUANG YUANJIAN WATER PUMP MANUFACTURING Co.,Ltd. Address before: 050091 No. 493 South China Avenue, Hebei, Shijiazhuang Patentee before: SHIJIAZHUANG SUBMERGED MOTOR PUMP FACTORY |