CN114825770A - Distributed synchronous phase modulator stator yoke back and rotor retaining ring cascade water cooling system - Google Patents
Distributed synchronous phase modulator stator yoke back and rotor retaining ring cascade water cooling system Download PDFInfo
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- CN114825770A CN114825770A CN202210483845.5A CN202210483845A CN114825770A CN 114825770 A CN114825770 A CN 114825770A CN 202210483845 A CN202210483845 A CN 202210483845A CN 114825770 A CN114825770 A CN 114825770A
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- 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
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/20—Stationary parts of the magnetic circuit with channels or ducts for flow of cooling medium
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/32—Rotating parts of the magnetic circuit with channels or ducts for flow of cooling medium
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/20—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/08—Arrangements for cooling or ventilating by gaseous cooling medium circulating wholly within the machine casing
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/19—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor Or Generator Cooling System (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
Abstract
A distributed cascade water cooling system of a stator yoke back and a rotor retaining ring of a synchronous phase modulator relates to a cascade water cooling system of a stator yoke back and a rotor retaining ring of a synchronous phase modulator. The invention aims to solve the problem that the temperature of a stator and a rotor is excessively increased in the processes of motor forced excitation and overload operation due to the unreasonable design of a cooling system of the conventional synchronous phase modulator. The suspension type air cooler is arranged below a shell of a distributed synchronous phase modulator, the yoke hot air area water cooler is arranged above the shell of the distributed synchronous phase modulator, a back cooling water channel of a yoke of a stator hot air area is coaxially sleeved on a stator core lamination of the distributed synchronous phase modulator, a rotor side excitation winding cooling water channel is coaxially sleeved on a rotating shaft of the distributed synchronous phase modulator, and the back cooling water channel of the yoke of the stator hot air area is communicated with the rotor side excitation winding cooling water channel. The invention belongs to the technical field of motors.
Description
Technical Field
The invention relates to a stator yoke back and rotor guard ring cascade water cooling system of a synchronous phase modulator, belonging to the technical field of motors.
Background
The demand of dynamic reactive power of a converter station in a direct current transmission project is larger and larger, and the phase modifier plays an increasingly prominent role in the direct current transmission project along with the continuous operation of a 300Mvar synchronous phase modifier; the provision of instantaneous large capacity dynamic reactive compensation is crucial to ensure the stability of the power system. In order to generally improve the voltage level of each key node of a transmitting end and a receiving end, reduce the overvoltage level and the off-line risk of a new energy station and improve the power of ultra-high voltage direct current transmission, a novel distributed synchronous phase modulator is provided. The large synchronous phase modulator for the extra-high voltage power transmission system is required to have a quick dynamic response capability and a strong excitation capability, and in addition, the phase modulator for the extra-high voltage is required to have a higher short-time overload capability than a common non-salient pole synchronous generator so as to ensure the stability of the voltage of a power grid when the power grid fails; and the phase modifier is in a continuous and uninterrupted running state, which has higher cooling requirement on the distributed synchronous phase modifier for extra-high voltage, thereby optimizing the cooling environment of the stator and the rotor and the winding to a greater extent and ensuring the safe and stable running of the synchronous phase modifier.
At present, the cooling technology of the distributed synchronous phase modulator for extra-high voltage is a single air cooling mode for the yoke part of the stator iron core, the temperature rise of the back part of the stator iron core yoke in a hot air area is serious, and the cooling technology for the back part of the iron core yoke in the hot air area is not perfect compared with the tooth part cooling technology, so the cooling technology development for the yoke part of the stator iron core is particularly important.
The technical progress of the gas-liquid coordinated cooling of the stator and the rotor of the distributed synchronous phase modulator has important significance to the ultra-high voltage direct current transmission project, and the problem that the temperature of the stator and the rotor is excessively increased in the process of motor forced excitation and overload operation due to unreasonable design of a cooling system still exists at present.
Disclosure of Invention
The invention provides a distributed type synchronous phase modifier stator yoke back and rotor retaining ring cascade water cooling system, which aims to solve the problem that the temperature rise of a stator and a rotor is overhigh in the processes of strong excitation and overload operation of a motor due to the fact that the design of a cooling system of an existing synchronous phase modifier is unreasonable.
The technical scheme adopted by the invention for solving the problems is as follows: the invention comprises a suspension type air cooler, a yoke hot air area water cooler, a stator hot air area yoke back cooling water path and a rotor side excitation winding cooling water path; the suspended air cooler is arranged below the shell of the distributed synchronous phase modifier, the suspended air cooler is positioned in the closed shell of the distributed synchronous phase modifier, the hot air area water cooler at the yoke part is arranged above the shell of the distributed synchronous phase modifier, and the yoke hot air area water cooler is positioned in the closed shell of the distributed synchronous phase modulator, the stator hot air area yoke back cooling water path is coaxially sleeved on the stator core lamination of the distributed synchronous phase modulator, the rotor side excitation winding cooling water path is coaxially sleeved on a rotating shaft of the distributed synchronous phase modulator, and the rotor side excitation winding cooling water path is positioned in an air gap between a rotating shaft and a stator core iron sheet of the distributed synchronous phase modulator, the back cooling water path of the stator hot air area yoke is communicated with the rotor side excitation winding cooling water path, and the stator hot air area yoke back cooling water channel and the rotor side excitation winding cooling water channel are communicated with the yoke hot air area water cooler together.
Furthermore, stator hot-blast district yoke back cooling water route is kept out the wind water cooling passageway by a plurality of surface mounted formula and is kept out the wind with a plurality of stators and communicate the water course and set up along the axial of the pivot of distributed synchronous phase modulation machine in a staggered way and form, and adjacent surface mounted formula keeps out the wind water cooling passageway and keeps out the wind with the stator and communicate the water course through arc water course.
Furthermore, a fan-shaped multi-wedge structure is filled between the surface-mounted wind and water cooling channel and the stator core lamination of the distributed phase modulator.
Furthermore, the rotor side excitation winding cooling water channel is composed of a rotor cooling water channel, a water-cooled retaining ring, a cascade water channel and a ring communicating water channel, the rotor cooling water channel is distributed in a rotor water-cooled auxiliary groove of the distributed synchronous phase modulator, the rotor cooling water channel is communicated with the water-cooled retaining ring through the ring communicating water channel, a dynamic sealing surface is arranged on the rotor cooling water channel, and the dynamic sealing surface is communicated with the hot air zone water cooler of the yoke portion through the cascade water channel.
Furthermore, the water-cooled protective ring is hollow, and an angular copper frame structure for supporting is arranged in the water-cooled protective ring.
Furthermore, the invention also comprises two mixed flow fans which are respectively arranged at two ends of the rotating shaft.
Furthermore, a gap is reserved between the stator wind shielding communication water channel and the stator core lamination of the distributed synchronous phase modulator, and a trapezoidal structure is adopted.
The invention has the beneficial effects that: the invention sucks air cooled in a machine shell and a closed shell by installing a strong-pressure mixed-flow fan on a rotor, blows in along the axial direction of an air gap, blows to a winding at the end part of a stator, blows in a stator iron core lamination in a first air area under the action of a surface-mounted wind and water cooling channel, forms a circulating air area in other air areas, blows out the air to a suspended air cooler in the second air area, sucks the cooled air into the machine by the mixed-flow fan, forms a multi-inlet and multi-outlet air cooling loop, and greatly reduces the temperature rise of the stator; the surface-mounted wind and water cooling channel is communicated with the stator wind shielding communicating water channel to form a stator side cooling water channel, and is used for reducing the temperature rise of the yoke part of the stator iron core and the winding at the end part of the stator under the action of the yoke part hot air area water cooler; in the process of strong excitation operation of the motor, the temperature of the rotor excitation winding rises sharply, the rotor is provided with a water-cooling auxiliary groove with a U-shaped outer wall, a rotor cooling water channel is embedded in the water-cooling auxiliary groove and is communicated with a water-cooling protective ring through a ring communication water channel, a dynamic sealing surface is arranged on the ring communication water channel, and a communication water channel is formed by a cascade water channel and a hot air zone water cooler of the yoke part and is used for cooling the rotor and the excitation winding. The method plays an important role in the stable operation of the large synchronous phase modulator under the strong excitation operation state.
Drawings
Fig. 1 is a cross-sectional view of the present invention.
FIG. 2 is a schematic view of the structure of the surface-mounted wind-shielding water-cooling channel and the stator wind-shielding communicating water channel.
Fig. 3 is a radial cross-sectional view of a distributed synchronous phase modulator rotor structure.
FIG. 4 is a schematic view of a distributed synchronous phase modulator rotor end water cooling configuration.
1-stator iron core lamination, 2-machine shell, 3-rotating shaft, 3-1 rotor water-cooling auxiliary groove, 4-excitation winding, 5-stator end winding, 6-surface-mounted wind-water cooling channel, 6-1 surface-mounted wind-water cooling channel wedge structure, 6-2 arc water channel, 7-suspension type air cooler, 8-rotor cooling water channel, 8-1 circular ring communicating water channel, 8-2 cascade water channel, 8-3 dynamic sealing surface, 9-water-cooled guard ring, 9-1 angular copper frame structure, 10-mixed flow fan, 11-hot wind area, 12-air gap, 13-stator wind-water channel, 14-yoke hot wind area water cooler, 15-cascade water channel, 16-sealing shell, firstly, the wind area is an air inlet area, and secondly, the wind area is an air outlet area;
the arrows in fig. 1 show the flow directions of cooling gas and cooling water in the distributed synchronous phase modulator stator yoke back and rotor retaining ring cascade water cooling system.
Detailed Description
The first embodiment is as follows: the embodiment is described with reference to fig. 1, and the distributed cascade water cooling system for the stator yoke back and the rotor retaining ring of the synchronous phase modulator in the embodiment comprises a suspended air cooler 7, a yoke hot air zone water cooler 14, a stator hot air zone yoke back cooling water channel and a rotor side field winding cooling water channel; suspension type air cooler 7 sets up in the below of distributed synchronous phase modifier's casing 2, and suspension type air cooler 7 is located the enclosed shell 16 of distributed synchronous phase modifier, and yoke hot-blast district water cooler 14 sets up in the top of distributed synchronous phase modifier's casing 2, and yoke hot-blast district water cooler 14 is located the enclosed shell 16 of distributed synchronous phase modifier, the coaxial suit in stator hot-blast district yoke back cooling water route is on the stator core lamination 1 of distributed synchronous phase modifier, the coaxial suit in rotor side field winding cooling water route is on the pivot 3 of distributed synchronous phase modifier, just rotor side field winding cooling water route is located the air gap 12 between pivot 3 and the stator core iron sheet 1 of distributed synchronous phase modifier, stator hot-blast district yoke back cooling water route with rotor side field winding cooling water route intercommunication, just stator hot-blast district yoke back cooling water route with rotor side field winding cooling water route is common with yoke cooling water route The partial hot blast area water coolers 14 are communicated.
In the embodiment, the distributed phase modulator comprises a stator core lamination 1, a shell 2, a rotating shaft 3, an excitation winding 4, an end winding 5 and a closed shell 16, wherein the shell 2 is arranged in the closed shell 16, the rotating shaft 3 is horizontally inserted in the shell 2, the stator core lamination 1 is coaxially sleeved on the rotating shaft 3, an air gap 12 is reserved between the stator core lamination 1 and the rotating shaft 3, and the end winding 5 is arranged on the core lamination 1.
The second embodiment is as follows: the present embodiment is described with reference to fig. 1 and fig. 2, the stator hot air zone yoke back cooling water channel according to the present embodiment is formed by alternately arranging a plurality of surface-mounted wind and water cooling channels 6 and a plurality of stator wind and water communication channels 13 along the axial direction of the rotating shaft 3 of the distributed synchronous phase modulator, and the adjacent surface-mounted wind and water cooling channels 6 are communicated with the stator wind and water communication channels 13 through arc-shaped water channels 6-2.
The surface-mounted wind and water cooling channel 6 is of a semicircular hollow plate ceramic structure, a water inlet channel below one end of the hot air zone water cooler 14 of the yoke part flows into the surface-mounted wind and water cooling channel 6, and is communicated with the hot air zone surface-mounted wind and water cooling channel 6 through a stator wind shielding communicating water channel 13; the water cooling channel 6 is communicated with a cold air area surface-mounted wind and water cooling channel 6 through a plurality of sections of arc-shaped water channels 6-2; finally flows out through an outflow water channel below the hot air zone water cooler 14 of the yoke part.
Other components and connections are the same as those in the first embodiment.
The third concrete implementation mode: the embodiment is described with reference to fig. 1 and fig. 2, and a fan-shaped multi-wedge structure 6-1 is filled between a surface-mounted wind and water cooling channel 6 of a stator yoke back and rotor guard ring cascade water cooling system of a distributed synchronous phase modulator and a stator core lamination 1 of the distributed phase modulator.
The fan-shaped multi-wedge structure 6-1 plays a role in fixing the surface-mounted wind and water cooling channel 6.
Other components and connection relationships are the same as those in the second embodiment.
The fourth concrete implementation mode: the embodiment is described with reference to fig. 1, fig. 3, and fig. 4, and the rotor-side excitation winding cooling water channel of the distributed synchronous phase modifier stator yoke back and rotor retaining ring cascade water cooling system according to the embodiment is composed of a rotor cooling water channel 8, a water-cooled retaining ring 9, a cascade water channel 15, and a ring communication water channel 8-1, the rotor cooling water channel 8 is distributed in a rotor water-cooled sub-tank 3-1 of the distributed synchronous phase modifier, the rotor cooling water channel 8 is communicated with the water-cooled retaining ring 9 through the ring communication water channel 8-1, a dynamic sealing surface 8-3 is arranged on the rotor cooling water channel 8, and the dynamic sealing surface 8-3 is communicated with a yoke hot air area water cooler 14 through the cascade water channel 15.
The rotor of the distributed synchronous phase modulator is symmetrically provided with q water-cooling auxiliary grooves 3-1, the number of q is the same as that of the excitation windings 4, the outer wall of each water-cooling auxiliary groove 3-1 is of a U-shaped structure, and the structure can increase the cooling area of the rotating shaft 3.
A cooling water channel 8 penetrates through all the water-cooling auxiliary grooves 3-1 at the end part of the rotor of the distributed synchronous phase modulator, the cooling water channel 8 is connected with a water-cooling protective ring 9 through a circular ring communication water channel 8-1, and the supporting and fixing effects on the excitation winding 4 can be achieved while the temperature is reduced; a movable sealing surface 8-3 is arranged on the cooling water channel 8, and the movable sealing surface 8-3 and a yoke hot air area water cooler 14 form a communication water channel through a cascade water channel 8-2; the communicating waterway flows into a cascade waterway 15 from a water inlet channel below one end of a yoke hot air zone water cooler 14, and flows into a rotor cooling waterway 8 and a water-cooled retaining ring 9 through a circular communicating waterway 8-1 at one end by a movable sealing surface 8-3; flows into the water-cooled retaining ring 9 at the other end through the rotor cooling water channel 8, and then flows out of a water channel from a dynamic sealing surface 8-3 on the water-cooled retaining ring 9 at the other end to a hot air zone water cooler 14 at the yoke part.
Other components and connections are the same as those in the first embodiment.
The fifth concrete implementation mode: the embodiment is described with reference to fig. 1 and 3, the water-cooled retaining ring 9 of the distributed synchronous phase modifier stator yoke back and rotor retaining ring cascade water-cooling system according to the embodiment is hollow, and an angular copper frame structure 9-1 for supporting is arranged in the water-cooled retaining ring 9.
By the arrangement, sufficient stress can be provided to increase the structural strength of the water-cooled retaining ring 9 while ensuring the circulation of a water channel; and the adoption of the angle copper frame structure 9-1 can effectively inhibit the oscillation of the voltage and the current of the synchronous phase modulator when the power grid is unstable, and simultaneously, the adoption of the angle copper frame structure 9-1 can enable the cooling environment of the rotor side excitation winding 4 to be better because of the good heat conducting property of copper.
Other components and connection relationships are the same as those in the fourth embodiment.
The sixth specific implementation mode: the embodiment is described with reference to fig. 1, and the distributed cascade water cooling system for a stator yoke back and a rotor retaining ring of a synchronous phase modulator according to the embodiment further includes two mixed-flow fans 10, where the two mixed-flow fans 10 are respectively installed at two ends of the rotating shaft 3.
The mixed-flow fans 10 provide cooling air for the motor ventilation system, and the two mixed-flow fans 10 symmetrically suck the cooling air to enable the air cooling system to be symmetrically cooled by air paths.
The stator iron core 1 and the stator end winding 5 are cooled by sucking cooled air, and a multi-inlet multi-outlet air path is formed under the action of the surface-mounted wind and water cooling channel 6 through an air gap 12 and an iron core radial ventilation channel; the air area is an air inlet area, the air area is an air outlet area, and the rest of the laminated iron core air areas form a circulating air area under the action of the surface-mounted wind and water shielding and cooling channel 6.
Other components and connections are the same as those in the first embodiment.
The seventh embodiment: the embodiment is described with reference to fig. 1, and a stator wind shielding communication water channel 13 of a stator yoke back and rotor retaining ring cascade water cooling system of the distributed synchronous phase modulator according to the embodiment leaves a gap with a stator core lamination 1 of the distributed synchronous phase modulator, and adopts a trapezoidal structure.
So set up for be close to iron core region air inlet district (firstly) the wind pressure be less than the surface mounted formula and keep out the wind cooling channel 6 and the casing 2 between the wind district wind pressure, accelerate iron core region air velocity.
Other components and connection relationships are the same as those in the second embodiment.
Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (7)
1. The utility model provides a water cooling system is cascaded with rotor retaining ring to distributed synchronous phase modulation machine stator yoke back of body which characterized in that: the distributed cascade water cooling system for the stator yoke back and the rotor retaining ring of the synchronous phase modulator comprises a suspension type air cooler (7), a yoke hot air area water cooler (14), a stator hot air area yoke back cooling water path and a rotor side excitation winding cooling water path; suspension type air cooler (7) set up in the below of casing (2) of distributed synchronous phase modifier, and suspension type air cooler (7) are located in enclosed shell (16) of distributed synchronous phase modifier, and yoke hot-blast district water cooler (14) set up in the top of casing (2) of distributed synchronous phase modifier, and yoke hot-blast district water cooler (14) are located in enclosed shell (16) of distributed synchronous phase modifier, the coaxial suit in stator core lamination (1) of distributed synchronous phase modifier of yoke back cooling water route of stator hot-blast district, the coaxial suit in rotor side excitation winding cooling water route is on pivot (3) of distributed synchronous phase modifier, just rotor side excitation winding cooling water route is located air gap (12) between pivot (3) and stator core iron sheet (1) of distributed synchronous phase modifier, stator hot-blast district yoke back cooling water route with rotor side excitation winding cooling water route intercommunication, and the stator hot air area yoke back cooling water channel and the rotor side excitation winding cooling water channel are communicated with a yoke hot air area water cooler (14) together.
2. The distributed cascade water cooling system of a stator yoke back and a rotor retaining ring of a synchronous phase modulator as claimed in claim 1, wherein: the stator hot wind area yoke back cooling water route comprises a plurality of surface-mounted wind-shielding water cooling channels (6) and a plurality of stator wind-shielding communicating water channels (13) which are arranged in a staggered mode along the axial direction of a rotating shaft (3) of the distributed synchronous phase modulator, and the adjacent surface-mounted wind-shielding water cooling channels (6) are communicated with the stator wind-shielding communicating water channels (13) through arc-shaped water channels (6-2).
3. The distributed cascade water cooling system of a stator yoke back and a rotor retaining ring of a synchronous phase modulator as claimed in claim 2, wherein: and a fan-shaped multi-wedge structure (6-1) is filled between the surface-mounted wind and water cooling channel (6) and the stator core lamination (1) of the distributed phase modulator.
4. The distributed cascade water cooling system of a stator yoke back and a rotor retaining ring of a synchronous phase modulator as claimed in claim 1, wherein: the rotor side excitation winding cooling water path is composed of a rotor cooling water channel (8), a water-cooled retaining ring (9), a cascade water channel (15) and a ring communication water channel (8-1), wherein the rotor cooling water channel (8) is distributed in a rotor water-cooled auxiliary groove (3-1) of the distributed synchronous phase modulator, the rotor cooling water channel (8) is communicated with the water-cooled retaining ring (9) through the ring communication water channel (8-1), a movable sealing surface (8-3) is arranged on the rotor cooling water channel (8), and the movable sealing surface (8-3) is communicated with a yoke hot air area water cooler (14) through the cascade water channel (15).
5. The distributed cascade water cooling system of a stator yoke back and a rotor retaining ring of a synchronous phase modulator as claimed in claim 4, wherein: the water-cooled protective ring (9) is hollow, and an angular copper frame structure (9-1) for supporting is arranged in the water-cooled protective ring (9).
6. The distributed cascade water cooling system of a stator yoke back and a rotor guard ring of a synchronous phase modifier as claimed in claim 1, wherein: the distributed cascade water cooling system of the stator yoke back and the rotor retaining ring of the synchronous phase modulator further comprises two mixed-flow fans (10), and the two mixed-flow fans (10) are respectively installed at two ends of the rotating shaft (3).
7. The distributed cascade water cooling system of a stator yoke back and a rotor retaining ring of a synchronous phase modulator as claimed in claim 2, wherein: the stator wind shielding communication water channel (13) and the stator core lamination (1) of the distributed synchronous phase modulator leave a gap and adopt a trapezoidal structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210483845.5A CN114825770B (en) | 2022-05-05 | 2022-05-05 | Distributed synchronous phase modulator stator yoke back and rotor retaining ring cascade water cooling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210483845.5A CN114825770B (en) | 2022-05-05 | 2022-05-05 | Distributed synchronous phase modulator stator yoke back and rotor retaining ring cascade water cooling system |
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| Publication Number | Publication Date |
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| CN114825770A true CN114825770A (en) | 2022-07-29 |
| CN114825770B CN114825770B (en) | 2023-01-03 |
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| CN202210483845.5A Active CN114825770B (en) | 2022-05-05 | 2022-05-05 | Distributed synchronous phase modulator stator yoke back and rotor retaining ring cascade water cooling system |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130076168A1 (en) * | 2010-06-11 | 2013-03-28 | Siemens Aktiengesellschaft | Dynamoelectric machine having air/liquid cooling |
| US20150280525A1 (en) * | 2014-03-27 | 2015-10-01 | Prippel Technologies, Llc | Induction motor with transverse liquid cooled rotor and stator |
| CN106026450A (en) * | 2016-05-19 | 2016-10-12 | 哈尔滨理工大学 | Turbonator cooling system provided with water cooling stator and inner fan type rotor |
| CN107147260A (en) * | 2017-07-19 | 2017-09-08 | 沈阳工业大学 | A kind of axial permanent magnetic auxiliary radial direction magnetic resistance high-speed electric expreess locomotive with combination cooling structure |
| CN108233626A (en) * | 2018-01-09 | 2018-06-29 | 河海大学 | Cooling-fan installation inside a kind of large synchronous compensator |
| CN111416456A (en) * | 2019-01-07 | 2020-07-14 | 奥迪股份公司 | Liquid-cooled rotor for an electric machine |
| CN112564422A (en) * | 2020-12-21 | 2021-03-26 | 哈尔滨理工大学 | Outer rotor water-cooling structure of permanent magnet synchronous hub motor |
-
2022
- 2022-05-05 CN CN202210483845.5A patent/CN114825770B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130076168A1 (en) * | 2010-06-11 | 2013-03-28 | Siemens Aktiengesellschaft | Dynamoelectric machine having air/liquid cooling |
| US20150280525A1 (en) * | 2014-03-27 | 2015-10-01 | Prippel Technologies, Llc | Induction motor with transverse liquid cooled rotor and stator |
| CN106026450A (en) * | 2016-05-19 | 2016-10-12 | 哈尔滨理工大学 | Turbonator cooling system provided with water cooling stator and inner fan type rotor |
| CN107147260A (en) * | 2017-07-19 | 2017-09-08 | 沈阳工业大学 | A kind of axial permanent magnetic auxiliary radial direction magnetic resistance high-speed electric expreess locomotive with combination cooling structure |
| CN108233626A (en) * | 2018-01-09 | 2018-06-29 | 河海大学 | Cooling-fan installation inside a kind of large synchronous compensator |
| CN111416456A (en) * | 2019-01-07 | 2020-07-14 | 奥迪股份公司 | Liquid-cooled rotor for an electric machine |
| CN112564422A (en) * | 2020-12-21 | 2021-03-26 | 哈尔滨理工大学 | Outer rotor water-cooling structure of permanent magnet synchronous hub motor |
Non-Patent Citations (1)
| Title |
|---|
| 杨越: "大型抽水蓄能发电电动机转子冷却方式研究", 《中国优秀博硕士学位论文全文数据库(硕士)工程科技Ⅱ辑(月刊)2019年》 * |
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| CN114825770B (en) | 2023-01-03 |
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