CN108087114A - A kind of mixed power plant and hybrid power mechanical rotation load control method - Google Patents
A kind of mixed power plant and hybrid power mechanical rotation load control method Download PDFInfo
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- CN108087114A CN108087114A CN201711425114.0A CN201711425114A CN108087114A CN 108087114 A CN108087114 A CN 108087114A CN 201711425114 A CN201711425114 A CN 201711425114A CN 108087114 A CN108087114 A CN 108087114A
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B63/00—Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices
- F02B63/04—Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices for electric generators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D15/00—Adaptations of machines or engines for special use; Combinations of engines with devices driven thereby
- F01D15/08—Adaptations for driving, or combinations with, pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D15/00—Adaptations of machines or engines for special use; Combinations of engines with devices driven thereby
- F01D15/10—Adaptations for driving, or combinations with, electric generators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B63/00—Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices
- F02B63/06—Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices for pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C6/00—Plural gas-turbine plants; Combinations of gas-turbine plants with other apparatus; Adaptations of gas-turbine plants for special use
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B17/00—Pumps characterised by combination with, or adaptation to, specific driving engines or motors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B17/00—Pumps characterised by combination with, or adaptation to, specific driving engines or motors
- F04B17/03—Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by electric motors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B17/00—Pumps characterised by combination with, or adaptation to, specific driving engines or motors
- F04B17/05—Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by internal-combustion engines
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B35/00—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B35/00—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for
- F04B35/002—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for driven by internal combustion engines
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B35/00—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for
- F04B35/006—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for driven by steam engines
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B35/00—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for
- F04B35/04—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for the means being electric
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/04—Units comprising pumps and their driving means the pump being fluid-driven
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
-
- 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
- H02K7/14—Structural association with mechanical loads, e.g. with hand-held machine tools or fans
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Power Engineering (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The invention discloses the control methods of a kind of mixed power plant and mixed power plant, which is characterized in that including dynamic power system unit and mechanical rotation load device；The dynamic power system unit includes engine and generator；The mechanical rotation load device includes motor, transmission shaft and mechanical rotation load；The both ends of generator and motor are respectively provided with outwardly directed transmission shaft, and the transmission shaft of generator is connected with the transmission shaft of motor by coupling device.The mixed power plant and control method can use electric power and combustion gas, realize the mutual supplement with each other's advantages of electric power and combustion gas, and there are many operational mode, efficiency of energy utilization is high, possesses significant economic benefit and social benefit.
Description
Technical field
The present invention relates to electric power and heat power field more particularly to a kind of series connection mechanical rotation load power systems and series connection
Mechanical rotation load power systems control method.
Background technology
Large-sized power plant at present, such as compressor of air conditioner, air compressor, concrete mixer are generally all adopted a kind of dynamic
Power drives or is driven with motor drive or with fuel electric generator, does not in the prior art form motor and engine
Good power combines.
Therefore, it is necessary to design a kind of series connection mechanical rotation load power systems and series connection mechanical rotation load power systems
Control method.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of mixed power plant and the load of hybrid power mechanical rotation
Control method, the mixed power plant and hybrid power mechanical rotation load control method flexibility are good, and floor space is small, is easy to
Implement, combustion gas and electric power can be allowed ideally to realize mutual supplement with each other's advantages, while Dual-energy source system has more strategic security.
The technical solution of invention is as follows：
A kind of mixed power plant, including dynamic power system unit and mechanical rotation load device；The dynamic power system unit
Including engine and generator；The engine is using fuel combustion, gas turbine or steam turbine or gas turbine and steaming
Natural gas or petrol and diesel oil etc. can be used in steam turbine combining form, wherein fuel.The mechanical rotation load device includes motor
It is loaded with mechanical rotation, mechanical rotation load is generally compressor, wind turbine, water pump etc..
The generator and motor include stator, rotor and bearing, wherein stator include stator core and stator around
Group, the stator winding are made of multiple windings, and each winding is wrapped in same stator core position by conducting wire and is formed repeatedly；
The both ends of the generator and motor are respectively provided with outwardly directed transmission shaft；Wherein generator drive axle one end is with starting
Machine is driven axis connection, and the generator drive axle other end is connected by coupling device with the transmission shaft of motor, and the biography of motor
The moving axis other end is connected with mechanical rotation load.Make engine, generator, motor and the four axis series connection of mechanical rotation load straight
It drives, more efficient, structure is simpler, more in maintenance.
Further, when the generator or motor stator, rotor and transmission shaft are in horizontally disposed, positioned at the hair
One or more antigravity Exciting Windings for Transverse Differential Protection are included in stator winding above motor or motor rotor；Or generator and motor
Simultaneously comprising one or more antigravity windings above rotor；The antigravity Exciting Windings for Transverse Differential Protection passes through in generator or motor stator
Increase extraction wire between sub- winding and obtain, the antigravity Exciting Windings for Transverse Differential Protection can be with other stator winding electricity by extraction wire
Qi leel is from forming the circuit of work of being independently powered, be also accessible in stator winding loops.
Main material is iron core in generator and motor rotor, when the antigravity Exciting Windings for Transverse Differential Protection is passed through electric current, energy
Generate the electromagnetic attraction of upward bob-weight force direction to the iron core in generator or motor rotor, which can allow generator
Motor shaft horizontally-supported bearing or together with engine and the horizontally-supported bearing of mechanical rotation load transmission axis,
Suffered pressure straight down reduces or is zero, and operating mode rotates load, generator or motor for engine-driven at this time
It does not generate electricity or does not drive.
Since the load of engine, generator, motor and mechanical rotation is to be horizontally mounted, and the movement in four
The weight of component, generator and motor rotor and transmission shaft is more with respect to what other component to be weighed, and bearing produces when transmission shaft rotates
Raw frictional force is only related with the radial pressure straight down that bearing is born, and turns with mechanical rotation load and transmission shaft
Square size is unrelated, once the pressure reduces even zero, will substantially reduce frictional resistance when bearing rotates, while can reduce shake
Dynamic and noise.This plain bearing adds rotor and the frame mode of antigravity Exciting Windings for Transverse Differential Protection, energy similar with magnetic bearing structure
The gravity that bearing radial direction is born is made to reduce even to zero, is equivalent under weightlessness, acquisition is similar to magnetic suspension shaft
The effect held.
Due to loading direct cascaded structure with engine and mechanical rotation using generator and motor, entire power generation at this time
Machine or motor not only into connection engine and the transmission shaft and flywheel of mechanical rotation load, also become can support engine and
Mechanical rotation loads the antigravity bearing of itself transmission shaft.And antigravity Exciting Windings for Transverse Differential Protection structure, it need not be in generator or electricity
Additionally increase component on motivation body, but have bearing, rotor and stator with reference to generator or motor, by optimizing stator
Winding produces unique antigravity Exciting Windings for Transverse Differential Protection structure, makes to have generator or motor as a huge antigravity axis
It holds and the more good antigravity inertial flywheel of a performance.
The motor is also used as the power of dynamic power system unit starting：Before dynamic power system unit starting,
Motor is allowed to connect motor module, engine rotation is driven by motor；After engine start is completed, motor with
Motor module disconnects.
Further, coupling device is shaft joint or clutch.
Coupling device is mounted between generator and motor shaft, transfers the torque between transmission shaft,；Shaft joint is
Finger is connected two transmission shafts with ring flange and bolt, is a kind of fixed connection mode using shaft joint connection, is used
Clutch connection is a kind of flexible connection mode.
Coupling device uses electric control clutch or Mechanical controllable clutch, the mechanical clutch such as controlled manually.Clutch
It is nested respectively to be fixed on corresponding transmission shaft including driving disc spacing pressing and driven disc, when transmission control module control clutch is inhaled
During conjunction, driving disc spacing pressing and driven disc rotate synchronously so that two transmission shafts rotate synchronously；During clutch separation, two transmission shafts it
Between do not transfer torque.
Another coupling device is ring flange shaft joint, including driving disc spacing pressing, intermediate linkage section and driven disc, wherein intermediate connect
Flexible connection piece can be also equipped with by connecing the both sides of section, driving disc spacing pressing and driven disc respectively it is nested be fixed on corresponding to transmission shaft on；When
After being fixed between driving disc spacing pressing, flexible connection piece, intermediate linkage section and driven disc with bolt nut connection, driving disc spacing pressing and driven disc are same
Step rotates, and two transmission shafts is driven to rotate synchronously, otherwise removes bolt nut, two transmission shaft separation；Driving disc spacing pressing and driven
Dish structure is just the same to exchange.
Further, the speed change gear of conversion is additionally provided with for rotating speed or turned on the coupling device, when engine
When rotating speed or the inconsistent rotating speed of steering and mechanical rotation load, make the two rotating speed by speed change gear or turn to reach consistent,
Generally use speed-changing gear box or belt sheave structure.
Further, the mixed power plant further includes electric-control system, including engine control module, generator control
Module, motor control module and mechanical rotation load control module；
（1）Engine control module is used to control the operation of engine；
（2）Alternator control modules include at least one of generator module and generator antigravity control module；
The generator module is connected with engine block and generator, for controlling the excitation of generator, and passes through engine
Module controls the rotating speed of engine, to external out-put supply；；
The generator antigravity control module output terminal is connected with the lead of antigravity Exciting Windings for Transverse Differential Protection, input terminal connection external electrical
Source, including Energizing unit and switch unit；Wherein switch unit control antigravity Exciting Windings for Transverse Differential Protection and the connection of other stator winding
With separating；Energizing unit generates electricity at this time for external power supply to be controlled to provide power supply for the antigravity Exciting Windings for Transverse Differential Protection of generator unit stator
Machine is operated in antigravity bearing pattern；When alternator control modules need generator operation, by antigravity control module
Switch unit, cut off and antigravity Exciting Windings for Transverse Differential Protection or antigravity Exciting Windings for Transverse Differential Protection be restored in the stator winding of generator；
（3）Motor control module includes at least one of motor module and motor antigravity control module.
The motor module is for controlling external power supply as motor, output terminal connection motor, motor
The input terminal connection external power supply of module, for obtaining electric energy from external power supply as the motor in motor；Motor
Frequency-adjustable power supply also can be used in module, can be according to mechanical rotation load adjust automatically motor speed.The power generation mould
The input terminal of block is connected with motor, and the output terminal of electricity generation module is connected with external power load；For dynamotor to be generated
Electric energy be output to external loading, external loading such as lighting unit etc..
The motor antigravity control module output terminal is connected with the lead of antigravity Exciting Windings for Transverse Differential Protection, and input terminal connection is outer
Portion's power supply, including Energizing unit and switch unit；Wherein switch unit control antigravity Exciting Windings for Transverse Differential Protection and other stator winding
It connects with separating；Energizing unit is for controlling external power supply to provide power supply for the antigravity Exciting Windings for Transverse Differential Protection of motor stator, at this time
Electric motor operation is in antigravity bearing pattern；When motor control module needs electric motor operation, mould is controlled by antigravity
Switch unit in the block cuts off antigravity Exciting Windings for Transverse Differential Protection or antigravity Exciting Windings for Transverse Differential Protection is restored in the stator winding of motor
Motor module and electricity generation module, which can also integrate, is combined into a motor control module.
（4）The mechanical rotation load control module is connected with mechanical rotation load, control operation.
（5）When coupling device uses electric control clutch, electric-control system further includes that clutch is controlled to connect and separate
Transmission control module.Transmission control module coupling device connects, it is controlled to connect and separate.
Electric-control system can be connected with external communications units；External communications units are used at the scene or remote control control is automatically controlled
System.Such as by live Fieldbus Control electric-control system or pass through long distance wireless（3G, 4G or 4G etc.）It is or wired（Yin Te
Net）Control electric-control system.
Further, antigravity Exciting Windings for Transverse Differential Protection is independently arranged winding in generator or motor stator.
A kind of hybrid power mechanical rotation load control method, using foregoing mixed power plant；Control hybrid power
Mechanical rotation loaded work piece is in following any operative pattern：
（1）Mechanical rotation load is operated alone in pattern 1, engine；
The coupling device of generator and motor is connected, generator and external circuit are disconnected, optionally by generator and power generation
Machine antigravity control module is connected；Motor and external circuit are disconnected, optionally control motor and motor antigravity
Module is connected；Engine is run, transmission shaft motor-torgue generator rotor, motor rotor and the mechanical rotation of engine are born
It carries, generator and motor rotor are in passive idling conditions；
（2）Mechanical rotation load is operated alone in pattern 2, electric power
The coupling device of generator and motor is disconnected, engine does not work；Motor source in motor access electric-control system
Module rotates load by motor drive machinery；
（3）Pattern 3, engine combine driving mechanical rotation load with electric power
The coupling device of generator and motor is connected, generator and external circuit are disconnected, optionally by generator and power generation
Machine antigravity control module is connected；Engine, motor access motor module are run, and is connected with external power supply, engine
Combine driving mechanical rotation load with motor；Generator amature is in passive idling conditions；
（4）Pattern 4, engine-driven, which rotate, to be loaded and drives electrical power generators
Connect the coupling device of generator and motor；Motor and external circuit are disconnected, optionally by motor with it is electronic
Machine antigravity control module is connected；Run engine, motor-torgue generator and motor rotor and mechanical rotation load；Power generation
Machine accesses electricity generation module, and electric energy is conveyed to external power load；Motor rotor is in passive idling conditions；
（5）5 single-shot electricity output of pattern
The coupling device of generator and motor is disconnected, motor does not work, generator access electricity generation module；Run engine,
Generator is driven, by electricity generation module, electric energy is conveyed to external power load.
Advantageous effect：
Main innovation point of the present invention is as follows：
1. one of present invention innovation：Rotor simplifies when transmission flywheel, system.
The transmission shaft that heat power machine, generator, motor and mechanical rotation load directly is connected in the present invention, when independent
When being loaded using fuel driven mechanical rotation, heat power machine must first drive generator and motor, then mechanical rotation is driven to bear
It carries, though motor does not generate power at this time, generator does not also generate electricity, and rotor passively dallies, and turns in heat power machine and machinery
It is served as between dynamic load with buffering, the inertial flywheel stablized.
Compared with other using the system of engine and motor parallel, when rotated by engine-driven load when by electricity
Machine separates, although the friction of motor idle running, complicated, poor practicability can be reduced.And use the layout knot of mechanical series
Structure realizes that heat power machine directly drives mechanical rotation load, and transmission efficiency is not only convenient for motor and mechanical rotation load is operated alone,
Convenient for heat power machine Independent Power Generation, make whole device simple and reliable for structure, while can facilitate and graft existing and very ripe combustion
Expect generator techniques, make the present invention that there is good practicability.
The two of innovation of the invention：Generator, motor are transformed into antigravity bearing, system high efficiency.
When motor only makees transmission shaft and inertial flywheel, since rotor weight is heavier, certain friction energy loss can be generated, and
Due to using the structure of antigravity Exciting Windings for Transverse Differential Protection in motor, it will not only increase frictional force, can also reduce whole system instead
Frictional resistance.By increasing extraction wire in generator or motor stator, one group is isolated in stator winding top
Or multigroup winding, it is individually powered as antigravity Exciting Windings for Transverse Differential Protection, and to it, using stator core and rotor core, forms one
The electromagnet structure that can up attract rotor by controlling electric current, enables electromagnetic attraction size to allow generator or motor
The horizontally-supported bearing of transmission shaft or together with vertical suffered by the horizontally-supported bearing of engine and mechanical rotation load transmission axis
Downward pressure reduces or is zero.Since the load of engine, generator, motor and mechanical rotation is horizontal installation, Er Qie
The weight of moving component in four, generator and motor rotor and transmission shaft is more with respect to what other component to be weighed, transmission shaft
During rotation bearing generate frictional force only it is related with the radial pressure straight down that bearing is born, and with mechanical rotation load
It is unrelated with the level of torque of transmission shaft, once the pressure reduces even zero, frictional resistance when bearing rotates will be substantially reduced,
Vibrations and noise can be reduced simultaneously.
This plain bearing adds rotor and the frame mode of antigravity Exciting Windings for Transverse Differential Protection, energy similar with magnetic bearing structure
The gravity that bearing radial direction is born is made to reduce even to zero, is equivalent under weightlessness, acquisition is similar to magnetic suspension shaft
The effect held.Due to loading direct cascaded structure using engine, generator, motor and mechanical rotation, entire power generation at this time
Machine and motor are not only into connection engine and the transmission shaft and flywheel of mechanical rotation load, when coupling device is connected using rigidity
When connecing, also becoming can support engine and mechanical rotation to load the antigravity bearing of itself transmission shaft, thus be generated this instead
The entirety of gravitational effects is named as antigravity bearing.
Generator or motor become bearing, and antigravity Exciting Windings for Transverse Differential Protection structure seems very complicated, but in fact and need not send out
Additionally increasing component on motor and motor body again, bearing, rotor and stator are all that generator and motor itself are existing,
Simply by optimization stator winding, increase extraction wire, produce unique antigravity Exciting Windings for Transverse Differential Protection structure, make have generator and
Motor becomes a huge antigravity bearing and a more good zero-g inertial flywheel, and cost only has magnetcisuspension
The some thousandths of that floating axle is held, this is exactly the ingenious part of the present invention.
When generator or motor need to recover power generation and driving function, pass through the switching list in antigravity control module
Member switches over the lead of antigravity Exciting Windings for Transverse Differential Protection, and antigravity Exciting Windings for Transverse Differential Protection is restored to generator or motor immediately
In stator winding.
Further, the present invention also has a variety of operating conditions, and therefore, flexibility is extremely strong.
In conclusion the hybrid power mechanical rotation load of the present invention and hybrid power mechanical rotation load control method are easy
It is simple in structure in implementation.Operation is flexible, and energy utilization rate is high, is suitble to promote and apply.
Description of the drawings
Fig. 1 is the general structure schematic diagram of mixed power plant；
Fig. 2 connects schematic diagram for coupling device；
Fig. 3 is the separated schematic diagram of coupling device；
Fig. 4 is electric-control system schematic diagram；
Fig. 5 is the schematic diagram that generator unit stator is in generator mode；
Fig. 6 is the schematic diagram that motor stator is in electric motor mode；
Fig. 7 is the schematic diagram that generator unit stator is in the control of antigravity module；
Fig. 8 is the schematic diagram that motor stator is in the control of antigravity module；
Fig. 9 is generator and electric motor structure schematic diagram；
Figure 10 connects schematic diagram for flange shaft joint；
Figure 11 is the separated schematic diagram of flange shaft joint；
Figure 12 is state diagram when coupling device is set with speed change gear；
Figure 13 rotates load model schematic diagram for engine-driven；
Figure 14 rotates load model schematic diagram for motor drive machinery；
Figure 15 is engine and motor joint driving mechanical rotation load model schematic diagram；
Figure 16 rotates load schematic diagram for engine power generation synchrodrive tool；
Figure 17 is engine driving power generation mode schematic diagram.
Specific embodiment
The present invention is described in further details below with reference to the drawings and specific embodiments：
Internal combustion engine, gas turbine, steam turbine or the gas turbine and steam of combustion gas or fuel oil can be used in engine described first
Turbine combining form, wherein fuel are using natural gas, petrol and diesel oil etc..
Embodiment 1：Such as Fig. 1, in mixed power plant, including dynamic power system unit, mechanical rotation load device and electricity
Control system, wherein dynamic power system unit include engine 1, generator 2, and wherein generator 2 carries the transmission shaft of power output
201；Wherein mechanical rotation load device includes motor 3, transmission shaft 301 and mechanical rotation load 40.Wherein motor 3 uses
Double shaft-extension structure, one end transmission shaft are connected with mechanical rotation load, and other end transmission shaft 301 passes through coupling device 5 and generator 2
Transmission shaft 201 connect.
It is respectively that coupling device 5 is connected and separated schematic diagram with reference to Fig. 2 and Fig. 3.
With reference to Fig. 4, electric-control system includes engine control module, mechanical rotation load control module, motor module, hair
Electric module, antigravity control module, transmission control module.Wherein engine control module is connected with engine 1, controls its startup
And operation.Wherein mechanical rotation load control module control machinery rotates 40 operation of load.The wherein output terminal of motor module
Connect motor 3, the input terminal connection external power supply of motor module.The input terminal of electricity generation module is connected with generator 2, power generation
The output terminal of module is connected with external power load.
With reference to Fig. 5, Fig. 7, Fig. 9, generator includes transmission shaft 201, rotor 20, wherein stator winding 21, generator bob-weight
Power module includes Energizing unit and switch unit, and output terminal is connected to the antigravity excitation at the top of generator unit stator winding
Winding 211, input terminal connection external power supply.
With reference to Fig. 6, Fig. 8, Fig. 9, motor includes transmission shaft 301, rotor 30, wherein stator winding 31, motor bob-weight
Power module includes Energizing unit and switch unit, and output terminal is connected to the antigravity excitation at the top of motor stator winding
Winding 311, input terminal connection external power supply.Wherein transmission control module is connected with coupling device 5, it is controlled to connect and divide
From.Coupling device 5 is using electric control clutch in the present embodiment, including driving disc spacing pressing and driven disc, respectively nesting be fixed on pair
On the transmission shaft answered, when transmission control module control clutch is attracted, driving disc spacing pressing and driven disc rotate synchronously, and drive two
Transmission shaft rotates synchronously, and vice versa.Driving disc spacing pressing and driven dish structure are completely the same, can exchange.
The power that motor 3 can start as engine 1：Before the startup of engine 1, motor 2 is allowed to connect motor
Module drives engine 1 to rotate by motor 3；After 1 start completion of engine, motor 3 breaks with motor module
It opens.
Embodiment 2
Difference lies in motor module uses the power supply of frequency-adjustable, and it is negative can to load 40 according to mechanical rotation with embodiment 1
The rotating speed of lotus adjust automatically motor 3.
Embodiment 3
With reference to Figure 10 and Figure 11, difference lies in coupling device 5 is connected using the ring flange of no transmission control module with embodiment 1
Axis device, including 501, two sets of flexible connection pieces 502 of driving disc spacing pressing, intermediate linkage section 503, driven disc 504, connection bolt 505 and spiral shell
Cap 506.Several through holes are provided on driving disc spacing pressing 501, flexible connection piece 502, intermediate linkage section 503 and driven disc 504, can be passed through
Bolt.Pass through 505 nut 506 of bolt alternating and driving disc spacing pressing 501 and intermediate linkage section 503 on wherein a set of flexible connection piece 502
It is fixed；It is alternately solid with driven disc 504 and intermediate linkage section 503 by 505 nut 506 of bolt on another set of flexible connection piece 502
It is fixed.When being connected between driving disc spacing pressing 501, flexible connection piece 502, intermediate linkage section 503 and driven disc 504 with 505 nut 506 of bolt
After fixation, driving disc spacing pressing 501 and driven disc 504 rotate synchronously, and two transmission shafts is driven to rotate synchronously；Otherwise remove bolt 505
Nut 506, two transmission shaft separation；Driving disc spacing pressing 501 and 504 structure of driven disc is just the same to exchange.
Embodiment 4
Difference lies in using the ring flange shaft joint of no transmission control module, but without flexibility with embodiment 1 and embodiment 3
Connection sheet 502.
Embodiment 5
With reference to Figure 12, difference lies in be additionally provided with for rotating speed on coupling device 5 or turn to the speed change converted with embodiment 1
Device 6, speed change gear 6 are located at 3 one side of motor of coupling device 5, may be alternatively located at 2 one side of generator.
Embodiment 6
Difference lies in motor module, electricity generation module and its correspondence antigravity control module are integrated into an electricity with embodiment 1
Machine control module.
According to above-described embodiment, the present apparatus is by engine 1, generator 2, motor 3, coupling device 5 and electric-control system group
Into, can cooling in summer, winter heating and power generation, operating method is as follows：
Pattern 1, engine-driven rotate load
With reference to Figure 13, coupling device 5 is connected, the antigravity Exciting Windings for Transverse Differential Protection 211 of generator 2 and antigravity control module are connected,
The antigravity Exciting Windings for Transverse Differential Protection 311 of motor 3 is connected with antigravity control module.
Engine 1 is run, transmission shaft motor-torgue generator rotor 30, motor rotor 20 and the machinery of engine 1 turn
Dynamic load 40, generator and motor are in the passive idling conditions of rotor, and two rotors are run as flywheel.Generator turns
Son 20 and transmission shaft are subject to the electromagnetic attraction of top antigravity Exciting Windings for Transverse Differential Protection 211, make the footpath suffered by the bearing 22 on transmission shaft
To pressure reduction or it is zero, reduces 22 frictional resistance of bearing and noise；Motor rotor 30 and transmission shaft are subject to top anti-simultaneously
The electromagnetic attraction of gravity Exciting Windings for Transverse Differential Protection 311 makes radial pressure suffered by the bearing 32 on transmission shaft reduce or be zero, reduces
32 frictional resistance of bearing and noise.
Pattern 2, power-driven machinery rotate load
With reference to Figure 14, coupling device 5 is allowed to separate, motor 3 accesses motor module, and external power supply transmission of electricity is driven by motor 3
Dynamic 40 operation of mechanical rotation load.
Pattern 3, engine combine driving mechanical rotation load with electric power
With reference to Figure 15, coupling device 5 is connected, the antigravity Exciting Windings for Transverse Differential Protection 211 of generator 2 and antigravity control module are connected,
Motor 3 accesses motor module, and is connected with external power supply, runs engine 1, driving mechanical rotation is combined with motor 3
40 operation of load, generator amature are in passive idling conditions.
Pattern 4, engine-driven rotate load synchronous generator
With reference to Figure 16, coupling device 5 is connected, antigravity Exciting Windings for Transverse Differential Protection 311 and the motor antigravity control module of motor 3 connect
It is logical.Generator 2 accesses electricity generation module, and electric energy is conveyed to external power load by electricity generation module.
Engine 1 is run, driving compression 40 is run, and motor is in the passive idling conditions of rotor.Work as mechanical rotation
When the load of load 40 is relatively low, engine 1 is also at underrun, and part load efficiency is very low, by increasing power generation output, carries
The load of high engine keeps it to be in high-efficiency operation always.
Pattern 5, single-shot electricity output
With reference to Figure 17, coupling device 5 is allowed to separate, generator 2 accesses electricity generation module, and mechanical rotation load does not work；
Engine 1 is run, driving generator 2 generates electricity, and electric energy is conveyed to external power load by electricity generation module.
It these are only the preferred embodiment of the present invention, be not intended to limit the invention, it is clear that those skilled in the art can
To carry out various changes, modification without departing from the spirit and scope of the present invention to the present invention.If these modifications to the present invention
Within the scope of belonging to the claims in the present invention and its equivalent technologies with modification, all belong to the scope of protection of the present invention.
Claims (7)
1. a kind of mixed power plant, which is characterized in that including dynamic power system unit and mechanical rotation load device；The heat
Dynamic power unit includes engine and generator；The mechanical rotation load device includes motor and mechanical rotation loads；
The both ends of the generator and motor are respectively provided with outwardly directed transmission shaft, including stator, rotor and bearing, wherein stator
Including stator core and stator winding；The engine, generator, motor and mechanical rotation load are sequentially connected in series；
The both ends of the generator and motor are respectively provided with outwardly directed transmission shaft；Wherein generator drive axle one end is with starting
Machine is driven axis connection, and the generator drive axle other end is connected by coupling device with the transmission shaft of motor, and the biography of motor
The moving axis other end is connected with mechanical rotation load.
2. mixed power plant according to claim 1, which is characterized in that when the generator or motor stator, turn
When son and transmission shaft are in horizontally disposed, in the stator winding above the generator or motor rotor comprising one or
Multiple antigravity Exciting Windings for Transverse Differential Protection；Or simultaneously comprising one or more antigravity windings above generator and motor rotor；Work as institute
When stating antigravity Exciting Windings for Transverse Differential Protection and being passed through electric current, upward bob-weight force direction can be generated to the iron core in generator or motor rotor
Electromagnetic attraction, the electromagnetic attraction can allow generator or motor shaft horizontally-supported bearing or turn together with engine and machinery
Pressure straight down suffered by the horizontally-supported bearing of dynamic load transmission shaft reduces or is zero.
3. mixed power plant according to claim 1, which is characterized in that the coupling device is shaft joint or clutch
Device.
4. mixed power plant according to claim 1, which is characterized in that be additionally provided with to turn on the coupling device
Speed or the speed change gear for turning to conversion.
5. mixed power plant according to claim 1, which is characterized in that further include electric-control system, electric-control system includes
Engine control module, alternator control modules, motor control module and mechanical rotation load control module；
（1）Engine control module is used to control the operation of engine；
（2）Alternator control modules include at least one of generator module and generator antigravity control module；
The generator module is connected with engine block and generator, for controlling the excitation of generator, and passes through engine
Module controls the rotating speed of engine, to external out-put supply；
The generator antigravity control module output terminal is connected with the lead of generator antigravity Exciting Windings for Transverse Differential Protection, input terminal connection
External power supply, including Energizing unit and switch unit；Wherein switch unit control antigravity Exciting Windings for Transverse Differential Protection and other stator winding
Connection with separating；Energizing unit is used to that external power supply to be controlled to provide power supply for the antigravity Exciting Windings for Transverse Differential Protection of generator unit stator, this
When generator operation in antigravity bearing pattern；When alternator control modules need generator operation, pass through generator bob-weight
Switch unit in power control module cuts off antigravity Exciting Windings for Transverse Differential Protection or antigravity Exciting Windings for Transverse Differential Protection is restored to determining for generator
In sub- winding；
（3）Motor control module includes at least one of motor module and motor antigravity control module；
The motor module is motor for controlling external power supply；
The motor antigravity control module output terminal is connected with the lead of motor antigravity Exciting Windings for Transverse Differential Protection, input terminal connection
External power supply, including Energizing unit and switch unit；Wherein switch unit control antigravity Exciting Windings for Transverse Differential Protection and other stator winding
Connection with separating；Energizing unit is used to that external power supply to be controlled to provide power supply for the antigravity Exciting Windings for Transverse Differential Protection of motor stator, this
When electric motor operation in antigravity bearing pattern；When motor control module needs electric motor operation, pass through motor bob-weight
Switch unit in power control module cuts off antigravity Exciting Windings for Transverse Differential Protection or antigravity Exciting Windings for Transverse Differential Protection is restored to determining for motor
In sub- winding；
（4）Mechanical rotation load control module rotates the operation of load for control machinery；
（5）When coupling device uses electric control clutch, electric-control system further includes to control clutch connection and separated biography
Dynamic control module.
6. mixed power plant according to claim 2, which is characterized in that antigravity Exciting Windings for Transverse Differential Protection is generator or electronic
Independently arranged winding in machine stator.
7. a kind of hybrid power mechanical rotation load control method, which is characterized in that using claim 1-6 any one of them
Mixed power plant；Control multi-mode cold water is operated in following any operative pattern：
（1）Mechanical rotation load is operated alone in pattern 1, engine；
The coupling device of generator and motor is connected, generator and external circuit are disconnected, optionally by generator and power generation
Machine antigravity control module is connected；Motor and external circuit are disconnected, optionally control motor and motor antigravity
Module is connected；Engine is run, transmission shaft motor-torgue generator rotor, motor rotor and the mechanical rotation of engine are born
It carries, generator and motor rotor are in passive idling conditions；
（2）Mechanical rotation load is operated alone in pattern 2, electric power
The coupling device of generator and motor is disconnected, engine does not work；Motor source in motor access electric-control system
Module rotates load by motor drive machinery；
（3）Pattern 3, engine combine driving mechanical rotation load with electric power
The coupling device of generator and motor is connected, generator and external circuit are disconnected, optionally by generator and power generation
Machine antigravity control module is connected；Engine, motor access motor module are run, and is connected with external power supply, engine
Combine driving mechanical rotation load with motor；Generator amature is in passive idling conditions；
（4）Pattern 4, engine-driven, which rotate, to be loaded and drives electrical power generators
Connect the coupling device of generator and motor；Motor and external circuit are disconnected, optionally by motor with it is electronic
Machine antigravity control module is connected；Run engine, motor-torgue generator and motor rotor and mechanical rotation load；Power generation
Machine accesses electricity generation module, and electric energy is conveyed to external power load；Motor rotor is in passive idling conditions；
（5）Pattern 5, single-shot electricity output
The coupling device of generator and motor is disconnected, motor does not work, generator access electricity generation module；Run engine,
Generator is driven, by electricity generation module, electric energy is conveyed to external power load.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201711425114.0A CN108087114A (en) | 2017-12-25 | 2017-12-25 | A kind of mixed power plant and hybrid power mechanical rotation load control method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711425114.0A CN108087114A (en) | 2017-12-25 | 2017-12-25 | A kind of mixed power plant and hybrid power mechanical rotation load control method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109519232A (en) * | 2018-09-30 | 2019-03-26 | 西安陕鼓动力股份有限公司 | SHRT unit frequency-conversion device auto-adjustment control method synchronous with turbine speed |
| WO2023044901A1 (en) * | 2021-09-27 | 2023-03-30 | 宁德时代新能源科技股份有限公司 | Electric vehicle driving system and electric vehicle |
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| CN1133940A (en) * | 1996-02-16 | 1996-10-23 | 端木雨田 | Integrated power arrangement |
| CN2854454Y (en) * | 2005-12-06 | 2007-01-03 | 东南大学 | Mixed power gas heat pump air conditioner |
| CN101135512A (en) * | 2006-08-28 | 2008-03-05 | 三洋电机株式会社 | Air-conditioning and electric power generating system and control method for the same |
| CN107222131A (en) * | 2017-06-27 | 2017-09-29 | 江苏大学 | A kind of rotor gravity unloading type magnetic bearing compound machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1133940A (en) * | 1996-02-16 | 1996-10-23 | 端木雨田 | Integrated power arrangement |
| CN2854454Y (en) * | 2005-12-06 | 2007-01-03 | 东南大学 | Mixed power gas heat pump air conditioner |
| CN101135512A (en) * | 2006-08-28 | 2008-03-05 | 三洋电机株式会社 | Air-conditioning and electric power generating system and control method for the same |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109519232A (en) * | 2018-09-30 | 2019-03-26 | 西安陕鼓动力股份有限公司 | SHRT unit frequency-conversion device auto-adjustment control method synchronous with turbine speed |
| CN109519232B (en) * | 2018-09-30 | 2020-12-04 | 西安陕鼓动力股份有限公司 | Synchronous automatic regulation control method for rotation speed of SHRT unit frequency converter and steam turbine |
| WO2023044901A1 (en) * | 2021-09-27 | 2023-03-30 | 宁德时代新能源科技股份有限公司 | Electric vehicle driving system and electric vehicle |
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Application publication date: 20180529 |