CN107994707A - A kind of ocean platform box lightweight generators of 25MW - Google Patents
A kind of ocean platform box lightweight generators of 25MW Download PDFInfo
- Publication number
- CN107994707A CN107994707A CN201711336243.2A CN201711336243A CN107994707A CN 107994707 A CN107994707 A CN 107994707A CN 201711336243 A CN201711336243 A CN 201711336243A CN 107994707 A CN107994707 A CN 107994707A
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- CN
- China
- Prior art keywords
- generator
- axis
- rotor
- engine block
- stator
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/20—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for measuring, monitoring, testing, protecting or switching
-
- 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
- H02K3/24—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors with channels or ducts for cooling medium between the conductors
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/02—Casings or enclosures characterised by the material thereof
-
- 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
- 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
-
- 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
- H02K7/08—Structural association with bearings
-
- 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
- H02K7/20—Structural association with auxiliary dynamo-electric machines, e.g. with electric starter motors or exciters
-
- 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
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
Abstract
The invention discloses a kind of ocean platform box lightweight generators of 25MW, the generator includes：Stator with aeration structure, rotor with empty inner-cooling structure, two-tube cooler, anti- inclination swinging structure, synchronous three machine brushless excitation systems, stator and rotor composition engine block, two-tube cooler is installed on the top of engine block, the anti-both ends for tilting swinging structure and being installed on engine block, the primer coating of all components uses zinc-rich coating, pass through above structure, the sufficiently cool of motor can be realized using Seawater, it can also meet that the sea faring anti-pendulum that inclines of motor requires, improve the marine salt fog of motor resistance, mould, the corrosive environments such as humidity, ensure normal operation of the generator in ocean platform.
Description
Technical field
The present invention relates to electrical generator fields, more particularly to the ocean platform box lightweight generators of 25MW.
Background technology
By development for many years, the resource such as traditional coal, oil is relatively serious etc. due to its reserves increasingly depleted, pollution
Reason, is slowly substituted by new energy.The saturation and limitation developed with landing field, each project start to aim at China
The regional developments such as coastal waters, ocean based on the resource of overlength coastline, it is in addition quiet to the convenience of seawater resources, coastal waters on ocean
Platform, ocean platform flourish, no matter silent flatform, ocean platform, nuclear power platform, be required for corresponding electric power, power to set
Standby, the power source as platform electric power, power-equipment -- generator is developed into for extremely urgent vital task.
Gas Turbine Generating Units are the core equipments of Offshore Platform General, and electric power is provided for production of hydrocarbons and processing
Ensure.Quick with CNOOC oil and gas production is improved, offshore platform quantity also quick increase therewith, to gas turbine powered generator
The dependence of group is growing day by day.Due to lacking domestic alternate resources, a small number of external producer's monopolization CNOOC fuel engine power generation machines have been formed
The situation in group market.Also, current ocean platform generator cannot take into account cooling, the anti-requirement such as pendulum, anti-corrosion of inclining well, no
It can guarantee that the prolonged normal operation of motor.Chinese invention patent ZL201320412529.5 discloses a kind of offshore platform diesel oil
Generating set, generator is placed in collection raising middle flask, is not related to cooling, anti-inclination is waved, the structure of anti-corrosion etc. is improved, and is prevented
Shield ability is limited, it is impossible to realizes longtime running of the generator in marine environment.
The content of the invention
Insufficient existing for existing ocean platform generator in order to overcome, the present invention provides a kind of ocean platform 25MW
Box lightweight generator, can effectively take into account marine environment for motor cooling, it is anti-inclination wave, the requirement of antiseptic property.
To achieve the above object, the technical solution adopted by the present invention is：
A kind of ocean platform box lightweight generators of 25MW, it is characterised in that：The generator includes：With aeration structure
Stator, rotor, two-tube cooler, anti-inclination swinging structure, synchronous three machine brushless excitation systems with empty inner-cooling structure, it is fixed
Son and rotor composition engine block, two-tube cooler are installed on the top of engine block, and anti-inclination swinging structure is installed on
The both ends of engine block, the primer coating of all components use zinc-rich coating.
Preferably, the rotor by the axis of solid forging groove milling, the copper bar coil for being provided with ventilation hole, retaining ring, center ring,
Armature of exciter, permanent magnetism machine rotor, rotating rectifier dish, aerofoil fan, insulation system, copper bar coil are installed on the middle part of axis, shield
Ring is installed on the external cylindrical surface of copper bar coil, and center ring is installed on the axis of copper bar coil both sides, armature of exciter, permanent magnetic motor
Rotor, rotating rectifier dish are installed on the end of encouraging of axis, and positional symmetry of the axle position in engine block both ends installs two aerofoil fans,
Ventilation slot is provided with the small tooth of axis, the afterbody for encouraging end of axis connects wireless ground detection device.
Preferably, the stator is by the coil of the box engine base, the stator core that silicon steel sheet is repeatedly pressed and the copper wire winding that weld
Form, ventilating duct is equipped with the box engine base.
Preferably, the end cover type tilting-pad bearing is thrust type end cover type tilting-pad bearing, bearing into flowline
Road uses SS316L stainless steels.
Preferably, the fastener used in generator uses zinc-nickel composite coating, and complete machine degree of protection is IP56.
Preferably, the cold two-tube cooler is air/water cooler, and cooling medium is seawater, cooler use inner tube for
Titanium tube, the double pipe structure that outer tube is copper pipe.
Preferably, equipotential line is all set between unlike material parts, terminal box and mounting base.
Stator, rotor are respectively provided with cooling structure in ocean platform generator in the present invention, can fully ensure that generator
Cooling requirement, and cooler using seawater as cooling medium, cost is low, is easily achieved；Using anti-inclination swinging structure,
It can ensure the stability of generator operation；The primer coating of all components uses zinc-rich coating, and fastener uses zinc-nickel
Composite coating, solves the etching problems such as salt fog, seawater, mould that ocean generator faced；Using three machine brushless excitations
System, wherein permanent magnetic auxiliary exciter can provide control system electricity consumption, it is not necessary to external power supply, suitable for independent islet operation.
Brief description of the drawings
Fig. 1 is the front view of the box lightweight generators of ocean platform 25MW in the present invention；
Fig. 2 is the left view of the box lightweight generators of ocean platform 25MW in the present invention.
Embodiment
Ocean platform of the present invention is suitable for deepwater Turbo-generator Set, work(with the box lightweight generators of 25MW
Rate is 25MW, and number of poles is 2 poles, frequency 50Hz, voltage 10.5kV, and excitation mode is three machine brushless excitations, rotating speed for 3000 turns/
Minute, noise is less than 85 decibels（Sound pressure level）, axial vibration is less than 30 microns.
As shown in attached drawing 1, Fig. 2, primary structure includes generator overall structure in the present invention：Determine with aeration structure
Son, the rotor with empty inner-cooling structure, two-tube cooler 3, anti-inclination swinging structure, three machine brushless excitation systems 11.Stator, turn
Son is respectively provided with cooling structure, can fully ensure that the cooling requirement of generator；Two-tube cooler 3 is installed on the upper of engine block
Side；Using anti-inclination swinging structure, installed in the both ends of engine block, the beating of wave can be resisted, ensures generator fortune
Capable stability；Using three machine brushless excitation systems, wherein permanent magnetic auxiliary exciter can provide control system electricity consumption, it is not necessary to external
Power supply, suitable for generating set ocean independent islet operation.
The stator core 10 and copper wire winding that the stator is repeatedly pressed by the box engine base 4, the silicon steel sheet that are welded with steel plate
Coil form, the top of engine base 4 is disposed with two-tube air/water cooler 3, and water-leakage monitoring meter 13, stator core 10 are provided with outside engine base
It is built-in to be pressed with winding, bearing 2 is installed at 4 both ends of engine base, bearing oil supply system is made of oil inlet pipe 5 and flowline 12；It is described
Engine base 4 in be equipped with ventilating duct, energy is more uniform to discharge hot wind, it is ensured that generator normal operation, and set engine base lightness
Meter, intensity meets that the anti-pendulum that inclines requires while mitigating weight.
The rotor by the axis 1 of solid forging groove milling, the copper bar coil 14 for being provided with ventilation hole, retaining ring 8, center ring 9, encourage
Magnetomechanical armature, permanent magnetism machine rotor, rotating rectifier dish, aerofoil fan 7, insulation system composition, copper bar coil 14 are installed in axis 1
Portion, retaining ring 8 are installed on the external cylindrical surface of copper bar coil 14, and center ring 9 is installed on the axis of 14 both sides of copper bar coil, exciter
Armature, permanent magnetism machine rotor, rotating rectifier dish are installed on the end of encouraging of axis, and axis 1 is located at the positional symmetry installation at engine block both ends
Two aerofoil fans 7, and ventilation slot is also provided with the small tooth of axis 1, fully ensure that the ventilation and heat of rotor；Rotor tail end is pacified
Equipped with wireless ground detection device 15.
In order to adapt to marine environment, the primer coating of all components is using corruption such as the salt fog of resistance to marine environment, mould, humidities
Zinc-rich coating is lost, all coating surfaces are not allow for welding operation after the completion of priming paint is disposable, in order to avoid the broken complete bottom of ring
Paint protection.To prevent potential corrosion, equipotential line is completely provided between all unlike material parts, terminal box and mounting base
6。
In order to improve cooling effectiveness, generator uses air water cooling cooler, and cooler uses double pipe structure, and inner tube is titanium
Pipe, outer tube is copper pipe, and cooling medium is seawater, and the use for special working medium of gathering materials on the spot, reduce, has preferable economy；
Corrosion of the seawater to cooler in order to prevent, all in cooler with contact with sea water metal material is titanium alloy（TA2）, can
Greatly to extend the service life of cooler.
Tilted to adapt to ocean platform in marine environment, wave operating mode, bearing uses end cover type tilting bush, is preferably thrust
Type end cover type tilting bush structure, it is possible to prevente effectively from oil whirl phenomenon, ensures to tilt stablizing for generator amature when waving and transport
OK.Bearing uses SS316L stainless steels into oil outlet pipe, both can guarantee that the preferable mobility of lubricating oil or can resist corruption
Erosion.
In order to further improve the corrosion resistance of generator, all fasteners use zinc-nickel on the basis of original priming paint
Composite coating, realizes dual anti-corrosion.
The overall structure of the ocean platform box lightweight generators of 25MW in the present invention, it is possible to achieve generator is sufficiently cold
But and independent operating, for special marine environment, additionally it is possible to effective to prevent that seawater from patting and various corrosion, realizes IP56
Degree of protection.
Although describing the present invention according to specific embodiment, according to teaching herein, those skilled in the art couple
It is also obvious that the present invention, which makes other modes modification,.Protection scope of the present invention is limited with the scope of claims,
But other and technical solution of the claims in the present invention without essential distinction, also should be in protection scope of the present invention.
Claims (8)
- A kind of 1. ocean platform box lightweight generators of 25MW, it is characterised in that：The generator includes：Tied with ventilation The stator of structure, the rotor with empty inner-cooling structure, two-tube cooler, anti-inclination swinging structure, synchronous three machine brushless excitation systems, Stator and rotor composition engine block, two-tube cooler are installed on the top of engine block, anti-inclination swinging structure installation At the both ends of engine block, the primer coating of all components uses zinc-rich coating.
- 2. generator as claimed in claim 1, it is characterised in that：The rotor by solid forging groove milling axis, be provided with it is logical The copper bar coil of air holes, retaining ring, center ring, armature of exciter, permanent magnetism machine rotor, rotating rectifier dish, aerofoil fan, insulation system System, copper bar coil are installed on the middle part of axis, and retaining ring is installed on the external cylindrical surface of copper bar coil, and center ring is installed on copper bar coil On the axis of both sides, armature of exciter, permanent magnetism machine rotor, rotating rectifier dish encourage end installed in axis, and axle position is in engine block two The positional symmetry at end installs two aerofoil fans, and ventilation slot, the wireless ground connection of the afterbody for encouraging end connection of axis are provided with the small tooth of axis Detection device.
- 3. the generator as described in claim 1 or claim 2, it is characterised in that：The stator by weld box engine base, The stator core and the coil of copper wire winding that silicon steel sheet is repeatedly pressed are formed, and ventilating duct is equipped with the box engine base.
- 4. generator as claimed in claim 1, it is characterised in that：The anti-inclination swinging structure is end cover type tilting bush axis Hold.
- 5. generator as claimed in claim 4, it is characterised in that：The end cover type tilting-pad bearing is thrust type end cover type Tilting-pad bearing, bearing use SS316L stainless steels into oil outlet pipe.
- 6. generator as claimed in claim 1, it is characterised in that：Fastener used uses the compound painting of zinc-nickel in generator Layer, complete machine degree of protection is IP56.
- 7. generator as claimed in claim 1, it is characterised in that：The cold two-tube cooler is air/water cooler, cooling Medium is seawater, and cooler uses inner tube as double pipe structure that titanium tube, outer tube are copper pipe.
- 8. generator as claimed in claim 1, it is characterised in that：It is complete between unlike material parts, terminal box and mounting base Portion sets equipotential line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711336243.2A CN107994707A (en) | 2017-12-14 | 2017-12-14 | A kind of ocean platform box lightweight generators of 25MW |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711336243.2A CN107994707A (en) | 2017-12-14 | 2017-12-14 | A kind of ocean platform box lightweight generators of 25MW |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107994707A true CN107994707A (en) | 2018-05-04 |
Family
ID=62038453
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711336243.2A Pending CN107994707A (en) | 2017-12-14 | 2017-12-14 | A kind of ocean platform box lightweight generators of 25MW |
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| Country | Link |
|---|---|
| CN (1) | CN107994707A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104135114A (en) * | 2014-08-23 | 2014-11-05 | 永济新时速电机电器有限责任公司 | High-voltage air and water cooling doubly-fed wind driven generator |
| CN104362790A (en) * | 2014-12-08 | 2015-02-18 | 南阳防爆集团股份有限公司 | Two-pole light box-type generator |
| CN106368752A (en) * | 2016-11-21 | 2017-02-01 | 国家海洋局第海洋研究所 | Ammonia turbine device used for ocean temperature difference power generation |
| CN107192327A (en) * | 2017-06-05 | 2017-09-22 | 江阴振宏重型锻造有限公司 | The high anticorrosive coating technique of wind power principal axis that a kind of application is advised with wheel rule and using the wheel |
| CN207638431U (en) * | 2017-12-14 | 2018-07-20 | 卧龙电气集团股份有限公司 | A kind of ocean platform box lightweight generators of 25MW |
-
2017
- 2017-12-14 CN CN201711336243.2A patent/CN107994707A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104135114A (en) * | 2014-08-23 | 2014-11-05 | 永济新时速电机电器有限责任公司 | High-voltage air and water cooling doubly-fed wind driven generator |
| CN104362790A (en) * | 2014-12-08 | 2015-02-18 | 南阳防爆集团股份有限公司 | Two-pole light box-type generator |
| CN106368752A (en) * | 2016-11-21 | 2017-02-01 | 国家海洋局第海洋研究所 | Ammonia turbine device used for ocean temperature difference power generation |
| CN107192327A (en) * | 2017-06-05 | 2017-09-22 | 江阴振宏重型锻造有限公司 | The high anticorrosive coating technique of wind power principal axis that a kind of application is advised with wheel rule and using the wheel |
| CN207638431U (en) * | 2017-12-14 | 2018-07-20 | 卧龙电气集团股份有限公司 | A kind of ocean platform box lightweight generators of 25MW |
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