CN108462316A - A kind of efficient gas electricity mixed power pump units with speed regulation - Google Patents
A kind of efficient gas electricity mixed power pump units with speed regulation Download PDFInfo
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- CN108462316A CN108462316A CN201810162697.0A CN201810162697A CN108462316A CN 108462316 A CN108462316 A CN 108462316A CN 201810162697 A CN201810162697 A CN 201810162697A CN 108462316 A CN108462316 A CN 108462316A
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- steam turbine
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
- H02K7/116—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
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- 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
- H02K7/1823—Rotary generators structurally associated with turbines or similar engines
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P9/00—Arrangements for controlling electric generators for the purpose of obtaining a desired output
- H02P9/04—Control effected upon non-electric prime mover and dependent upon electric output value of the generator
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P9/00—Arrangements for controlling electric generators for the purpose of obtaining a desired output
- H02P9/06—Control effected upon clutch or other mechanical power transmission means and dependent upon electric output value of the generator
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P2101/00—Special adaptation of control arrangements for generators
- H02P2101/20—Special adaptation of control arrangements for generators for steam-driven turbines
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P2101/00—Special adaptation of control arrangements for generators
- H02P2101/25—Special adaptation of control arrangements for generators for combustion engines
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Control Of Turbines (AREA)
Abstract
The present invention relates to power station fans and water pump assembly speed governing field, more particularly to a kind of efficient gas electricity mixed power pump units with speed regulation, including steam turbine, gear-box, synchronous automatic clutch, motor, total power frequency converter, load, planet hydraulic speed-regulating/Constant-Speed Unit, planet frequency control/Constant-Speed Unit.Pass through the different arrangements of equipment and application, realize hybrid power speed governing drive train, unit integrates vapour drive and electricity Qu Liang major sects advantage, possesses the features such as energy saving, efficient, reliability is high, with good investment, is particularly suitable for the actual conditions of current plant peak regulation and future depth peaking operation.
Description
Technical field
The present invention relates to power station fans and water pump assembly speed governing field, and in particular to a kind of efficient gas electricity mixed power speed governing
Unit.
Background technology
Wind turbine is widely used in water pump assembly in electric power station system, is maximum energy consumption equipment in electric power station system, typically
Wind turbine has air inducing unit, First air unit, air-supply unit, boiler feedwater pump assembly, water circulating pump unit etc. with water pump assembly.For
Reduction energy consumption, wind turbine generally uses variable-speed operation (dynamic adjust wind turbine except) with water pump assembly, full in power station according to conventional design
Load or close at full capacity when, wind turbine and water pump assembly efficiency highest.With the development of new energy electric power, national requirements firepower
Power station participates in peak regulation, using new energy as base load, along with the universal superfluous actual conditions of domestic power station power capacity, power station
Load is generally relatively low, and typically up to 40% ~ 70%, the long-term underload in power station results in blower fan group also can only be for a long time low with water pump assembly
Load condition is run, low load with strong power, and loss in efficiency is larger.In addition, in recent years, national requirements firepower power station carries out depth tune
Peak, minimum load are even as low as 20%, this has been further exacerbated by the loss in efficiency of power station circulation system, current domestic general
All over existing practical coal inferior in the case of design coal, boiler even all can not surely fire.
The present invention proposes a kind of efficient gas electricity mixed power pump units with speed regulation, and the unit operation is efficient, flexible, in current power station
In the case of peak regulation and future depth peaking operation, energy-saving run is remained to, station service is reduced, improves the income in power station.
Invention content
The purpose of the present invention is to solve the above-mentioned problems of the prior art, and then offer can realize wind turbine or water pump
Efficient, the energy-saving run of unit provide a kind of efficient gas electricity mixed power pump units with speed regulation.
The purpose of the present invention is what is be achieved through the following technical solutions:
A kind of efficient gas electricity mixed power pump units with speed regulation, including steam turbine, gear-box, synchronous automatic clutch, motor, load,
Speed control device, wherein load can be wind turbine or water pump, and steam turbine output shaft couples with gearbox input shaft, gearbox output shaft
Couple with synchronous automatic clutch input shaft, synchronous automatic clutch output shaft couples with motor with the combined assembly of load, electricity
Machine and the combined assembly of load are in mating connection with speed control device, and wherein motor is connect with power grid.
Further, the motor is Double shaft-extension structure, and steam turbine output shaft couples with gearbox input shaft, gear-box
Output shaft couples with synchronous automatic clutch input shaft, and synchronous automatic clutch output shaft couples with motor input shaft, described
Speed control device is the total power frequency converter for adjusting motor speed, and motor is connect by total power frequency converter with power grid, motor
Output shaft couples with load.
Further, the load is Double shaft-extension structure, and steam turbine output shaft couples with gearbox input shaft, gear-box
Output shaft couples with synchronous automatic clutch input shaft, and synchronous automatic clutch output shaft couples with load left side input shaft, right
Lateral load input shaft couples with speed control device, and speed control device couples with motor, and motor is directly connect with power grid.
Further, the motor is Double shaft-extension structure, and steam turbine output shaft couples with gearbox input shaft, gear-box
Output shaft couples with synchronous automatic clutch input shaft, and synchronous automatic clutch output shaft couples with motor input shaft, and motor is straight
It connects and is connect with power grid, motor output shaft couples with speed control device, and speed control device couples with load.
Further, the speed control device is planet hydraulic speed-regulating/Constant-Speed Unit.
Further, the speed control device is planet frequency control/Constant-Speed Unit.
Further, the steam turbine can be substituted with gas turbine.
Further, the steam turbine is connected with synchronous automatic clutch, can not arrange gear-box.
Further, gear-box can be an integral structure molding with synchronous automatic clutch.
Further, the motor uses electronic/power generating dual-purpose type motor.
The beneficial effects of the invention are as follows:By using technical scheme of the present invention, has the following advantages,
1, optimum efficiency section, average operating efficiency highest are operated in always in any operating mode tubine;
2, unit electricity consumption is greatly reduced, if motor is constantly in generating operation mode, not only unit not power consumption itself, but also can be other
Power plant's electricity consumption is greatly reduced in power supply for electrical equipment;
3, vapour electricity mixed power pump units with speed regulation has double spare characteristic, and small turbine and motor are spare each other in unit, and unit is not
Easy non-programmed halt, and it is not necessary that additional startup electric pump unit is arranged;
4, under the lower situation of power plant load rate, the steam extraction amount of the steam production, steam turbine that can make boiler increases, and Shi Quan factories follow
The ring thermal efficiency increases, and also alleviates the problem of boiler surely fires under ultra-low load to a certain extent;
5, almost possessing existing two big technology schools -- vapour drives to be driven with electricity(Wind turbine or water pump)All advantages;
6, the investment payback time is 2 ~ 5 years short
Vapour electricity mixed power pump units with speed regulation operation is efficient, flexible, in the feelings of current peak-load regulation and future depth peaking operation
Under condition, energy-saving run is remained to, station service is reduced, improves the income in power station.
Description of the drawings
Fig. 1 is the unit arrangement schematic diagram of the invention with total power frequency converter.
Fig. 2 is that present invention load is Double shaft-extension structure and is illustrated using the unit of planet hydraulic speed-regulating/Constant-Speed Unit arrangement
Figure.
Fig. 3 is that present invention load is Double shaft-extension structure and is illustrated using the unit of planet frequency control/Constant-Speed Unit arrangement
Figure.
Fig. 4 is that motor of the present invention is Double shaft-extension structure and is illustrated using the unit of planet hydraulic speed-regulating/Constant-Speed Unit arrangement
Figure.
Fig. 5 is that motor of the present invention is Double shaft-extension structure and is illustrated using the unit of planet frequency control/Constant-Speed Unit arrangement
Figure.
Reference numeral in figure, 1- steam turbines, 2- gear-boxes, 3- synchronize automatic clutch, 4- motors, 5- total power frequency conversions
Device, 6- loads, 7- planets hydraulic speed-regulating/Constant-Speed Unit, 8- planets frequency control/Constant-Speed Unit.
Specific implementation mode
Below in conjunction with attached drawing, the present invention is described in further detail:The present embodiment is being with technical solution of the present invention
Under the premise of implemented, give detailed embodiment, but protection scope of the present invention is not limited to following embodiments.
Embodiment one is as shown in Figs. 1-5, a kind of efficient gas electricity mixed power pump units with speed regulation involved by the present embodiment, including
Steam turbine 1, gear-box 2, synchronous automatic clutch 3, motor 4, load 6, speed control device, 1 output shaft of steam turbine and gear-box 2 are defeated
Enter axis connection, 2 output shaft of gear-box couples with 3 input shaft of synchronous automatic clutch, synchronous 3 output shaft of automatic clutch and motor
4 with load 6 combined assembly couple, motor 4 with load 6 combined assembly and speed control device it is in mating connection, wherein motor 4 and
Power grid connects;When specific unit starting, by motor 4 by speed control device starting load 6, at this point, steam turbine 1 is not actuated, and
It is decoupled with unit by synchronous automatic clutch 3, waits for that steam turbine 1 has red switch condition, and rotor speed is more than or equal to motor 4
When rotor speed, synchronous automatic clutch 3 engages, and steam turbine 1 participates in unit output, and gradually replaces motor 4 and be used as main output
Equipment, 1 pitch of steam turbine do not turn off greatly, and one until full-gear, is no longer adjusted after stablizing;It is continuous with power station main unit load
Variation changes the input speed of load 6 by adjusting speed control device, to meet the shaft power change for loading 6 demands in unit
Change demand, steam turbine 1 follow shafting variable speed to run, and the adjustment of 4 power adaptive of motor ensures that 1 output power of steam turbine is opposite
Stablize, 4 power of motor can just be born, and positive value indicates that motor 4 is in generating operation mode, and negative value indicates that motor 4 is in electronic operating mode;Electricity
When condition of starting building, motor 4 determines rotating speed through speed control device speed governing to demand rotating speed;When generating operation mode, the electricity that motor 4 is sent out is incorporated to electricity
Net.
Embodiment two, as shown in Figure 1, load 6 can be wind turbine or water pump, the motor 4 is Double shaft-extension structure, steam turbine
1 output shaft couples with 2 input shaft of gear-box, and 2 output shaft of gear-box couples with 3 input shaft of synchronous automatic clutch, synchronizes automatic
3 output shaft of clutch couples with 4 input shaft of motor, and the speed control device is total power frequency converter 5, and motor 4 passes through total power
Frequency converter 5 is connect with power grid, and 4 output shaft of motor couples with load 6;Specifically, when unit starting, total power is passed through by motor 4
5 soft start of frequency converter load 6 at this point, steam turbine 1 is not actuated, and is decoupled by synchronous automatic clutch 3 with unit, unit phase
When driving unit in conventional variable-frequency electric, wait for that steam turbine 1 has red switch condition, and rotor speed turns more than or equal to 4 rotor of motor
When fast, synchronous automatic clutch 3 engages, and steam turbine 1 participates in unit output, and gradually replaces motor 4 and be used as main output equipment, vapour
1 pitch of turbine does not turn off greatly, and one until full-gear, is no longer adjusted after stablizing;With the continuous variation of power station main unit load, lead to
The output frequency of total power frequency converter 5 is overregulated to change the input speed of load 6, and 6 demands are loaded in unit to meet
Shaft power changes demand, and steam turbine 1 follows shafting variable speed to run, and the adjustment of 4 power adaptive of motor ensures that steam turbine 1 exports
Power is stablized relatively, that is to say, that the sum of 4 power of motor and 6 power of load are equal to the output power of steam turbine 1,4 power of motor
It can just bear, positive value indicates that motor 4 is in generating operation mode, and negative value indicates that motor 4 is in electronic operating mode;When electronic operating mode, motor 4
Determine rotating speed after total power frequency converter 5 speed governing to demand rotating speed;When generating operation mode, the electricity that motor 4 is sent out is through total power frequency converter 5
It is connected to the grid after inversion rectification.
If motor 4 is constantly in generating operation mode, the mode that the adjusting pitch of steam turbine 1 can also be used in unit carries out speed governing fortune
Row.
Embodiment three, as shown in Fig. 2, the load 6 is Double shaft-extension structure, 1 output shaft of steam turbine is inputted with gear-box 2
Axis couples, and 2 output shaft of gear-box couples with 3 input shaft of synchronous automatic clutch, synchronous 3 output shaft of automatic clutch and load 6
The connection of left side input shaft, 6 input shaft of right load couple with speed control device, and speed control device couples with motor 4, motor 4 directly with
Power grid connects, and speed control device is planet hydraulic speed-regulating/Constant-Speed Unit 7 in the present embodiment;Specifically, when unit starting, by motor 4
By 7 starting load 6 of planet hydraulic speed-regulating/Constant-Speed Unit, at this point, steam turbine 1 is not actuated, and pass through synchronous automatic clutch 3
It is decoupled with unit, unit is equivalent to conventional electricity and drives pump units with speed regulation, waits for that steam turbine 1 has red switch condition, and rotor speed is big
When equal to 6 rotating speed of load, synchronous automatic clutch 3 engages, and steam turbine 1 participates in unit output, and gradually replaces 4 conduct of motor
Main output equipment, at this point, the power distribution of 4 adaptive unit of motor, 1 pitch of steam turbine do not turn off greatly, one until full-gear,
It is no longer adjusted after stabilization;With the continuous variation of power station main unit load, by the tune for adjusting planet hydraulic speed-regulating/Constant-Speed Unit 7
Fast mechanism come change load 6 input speed, to meet loaded in unit 6 demands shaft power change demand, steam turbine 1 with
It is run with shafting variable speed, the adjustment of 4 power adaptive of motor ensures that 1 output power of steam turbine is stablized relatively, and 4 power of motor can
It can just bear, positive value indicates that motor 4 is in generating operation mode, and negative value indicates that motor 4 is in electronic operating mode;When electronic operating mode, motor 4 is fixed
Rotating speed after planet hydraulic speed-regulating/Constant-Speed Unit 7 speed governing to demand rotating speed;When generating operation mode, variable speed through planet hydraulic speed-regulating/
Become constant rotational speed after Constant-Speed Unit 7, the electricity that motor is sent out is directly incorporated into power grid.
If motor 4 is constantly in generating operation mode, the mode that the adjusting pitch of steam turbine 1 can also be used in unit carries out speed governing fortune
Row.
Example IV, as shown in figure 3, the load 6 is Double shaft-extension structure, 1 output shaft of steam turbine is inputted with gear-box 2
Axis couples, and 2 output shaft of gear-box couples with 3 input shaft of synchronous automatic clutch, synchronous 3 output shaft of automatic clutch and load 6
The connection of left side input shaft, 6 input shaft of right load couple with speed control device, and speed control device couples with motor 4, motor 4 directly with
Power grid connects, and speed control device is planet frequency control/Constant-Speed Unit 8 in the present embodiment;Specifically, when unit starting, by motor 4
By 8 starting load 6 of planet frequency control/Constant-Speed Unit, at this point, steam turbine 1 is not actuated, and pass through synchronous automatic clutch 3
It is decoupled with unit, unit is equivalent to conventional electricity and drives pump units with speed regulation, waits for that steam turbine 1 has red switch condition, and rotor speed is big
When equal to load speed, synchronous automatic clutch 3 engages, and steam turbine 1 participates in unit output, and gradually replaces 4 conduct of motor
Main output equipment, at this point, the power distribution of 4 adaptive unit of motor, 1 pitch of steam turbine do not turn off greatly, one until full-gear,
It is no longer adjusted after stabilization.With the continuous variation of power station main unit load, by adjusting in planet frequency control/Constant-Speed Unit 8
The output frequency of Small-power Inverter loads 6 input speed to change, to meet the shaft power change for loading 6 demands in unit
Change demand, steam turbine 1 follow shafting variable speed to run, and the adjustment of 4 power adaptive of motor ensures that 1 output power of steam turbine is opposite
Stablize, 4 power of motor can just be born, and positive value indicates that motor 4 is in generating operation mode, and negative value indicates that motor 4 is in electronic operating mode;Electricity
When condition of starting building, motor 4 determine rotating speed after planet frequency control/Constant-Speed Unit 8 speed governing to demand rotating speed;When generating operation mode, becomes and turn
Speed becomes constant rotational speed after planet fluid power frequency conversion/Constant-Speed Unit 8, and the electricity that motor 4 is sent out is directly incorporated into power grid.
If motor 4 is constantly in generating operation mode, the mode that the adjusting pitch of steam turbine 1 can also be used in unit carries out speed governing fortune
Row.
Embodiment five, as shown in figure 4, the motor 4 is Double shaft-extension structure, 1 output shaft of steam turbine is inputted with gear-box 2
Axis couples, and 2 output shaft of gear-box couples with 3 input shaft of synchronous automatic clutch, synchronous 3 output shaft of automatic clutch and motor 4
Input shaft couples, and motor 4 is directly connect with power grid, and 4 output shaft of motor couples with speed control device, and speed control device couples with load 6,
Speed control device is planet hydraulic speed-regulating/Constant-Speed Unit 7 in the present embodiment;Specifically, when unit starting, planet is passed through by motor 4
7 starting load 6 of hydraulic speed-regulating/Constant-Speed Unit at this point, steam turbine 1 is not actuated, and passes through synchronous automatic clutch 3 and unit solution
Coupling, unit are equivalent to conventional electricity and drive pump units with speed regulation, wait for that steam turbine 1 has red switch condition, and rotor speed is more than or equal to electricity
When 4 rotating speed of machine, synchronous automatic clutch 3 engages, and steam turbine 1 participates in unit output, and gradually replaces motor 4 and set as main output
Standby, at this point, the power distribution of 4 adaptive unit of motor, 1 pitch of steam turbine do not turn off greatly, one up to full-gear, after stablizing not
It adjusts again.With the continuous variation of power station main unit load, by adjust the speed adjusting gear of planet hydraulic speed-regulating/Constant-Speed Unit 7 come
The input speed for changing load 6, to meet the shaft power variation demand for loading 6 demands in unit, steam turbine 1 follows shafting fixed
Rotating speed is run, and the adjustment of 4 power adaptive of motor ensures that 1 output power of steam turbine is stablized relatively, and 4 power of motor can just be born, just
Value indicates that motor 4 is in generating operation mode, and negative value indicates that motor 4 is in electronic operating mode;When electronic operating mode, motor 4 is fixed with steam turbine 1
Rotating speed after planet hydraulic speed-regulating/Constant-Speed Unit speed governing to demand rotating speed;When generating operation mode, since 4 constant speed of motor is run, motor
4 electricity sent out are directly incorporated into power grid.
Embodiment six, as shown in figure 5, the motor 4 is Double shaft-extension structure, 1 output shaft of steam turbine is inputted with gear-box 2
Axis couples, and 2 output shaft of gear-box couples with 3 input shaft of synchronous automatic clutch, synchronous 3 output shaft of automatic clutch and motor 4
Input shaft couples, and motor 4 is directly connect with power grid, and 4 output shaft of motor couples with speed control device, and speed control device couples with load 6,
Speed control device is planet frequency control/Constant-Speed Unit 8 in the present embodiment;Specifically, when unit starting, planet is passed through by motor 4
8 starting load 6 of frequency control/Constant-Speed Unit at this point, steam turbine 1 is not actuated, and passes through synchronous automatic clutch 3 and unit solution
Coupling, unit are equivalent to conventional electricity and drive pump units with speed regulation, wait for that steam turbine 1 has red switch condition, and rotor speed is more than or equal to electricity
When 4 rotating speed of machine, synchronous automatic clutch 3 engages, and steam turbine 1 participates in unit output, and gradually replaces motor 4 and set as main output
Standby, at this point, the power distribution of 4 adaptive unit of motor, 1 pitch of steam turbine do not turn off greatly, one up to full-gear, after stablizing not
It adjusts again;With the continuous variation of power station main unit load, become by the small-power adjusted in planet frequency control/Constant-Speed Unit 8
The output frequency of frequency device changes demand to change the rotating speed of low-power machine to meet the shaft power of loading demand in unit, leads to
Overregulate the output frequency of the Small-power Inverter in planet frequency control/Constant-Speed Unit 8 change load 6 input speed,
To meet the shaft power variation demand for loading 6 demands in unit, steam turbine 1 follows shafting to determine rotating speed operation, and 4 power of motor is certainly
Adjustment is adapted to, ensures that 1 output power of steam turbine is stablized relatively, 4 power of motor can just be born, and positive value indicates that motor 4 is in power generation
Operating mode, negative value indicate that motor 4 is in electronic operating mode;When electronic operating mode, motor 4 and steam turbine 1 determine rotating speed through planet frequency control/
Speed governing is to demand rotating speed after Constant-Speed Unit 8;When generating operation mode, due to 4 constant-speed operation of motor, the electricity that motor 4 is sent out is directly incorporated into
Power grid.
In above example, the load 6 can be wind turbine or water pump, and the steam turbine 1 can be used gas turbine and replace
In generation, realizes combustion electricity mixed power.
In above example, the steam turbine 1 can be directly connected to synchronous automatic clutch 3, according to unit situation cloth
Set or do not arrange that if gear-box 2, gear-box, without matching rotating speed, are can use to match the rotating speed of steam turbine and load
Disappear gear-box.
In above example, gear-box 2 can be made of one with synchronous automatic clutch 3, can be an integral structure molding.
In above example, according to the function that the configuration of unit and needs are realized, there are three types of the patterns of motor 4:Pure electric vehicle,
Pure power generation, electronic/power generation are dual-purpose.
In above example, speed control device can be selected according to demand, be not limited to the speed control device mentioned by the present invention.
In above example, also device location adjustment can be carried out according to actual conditions, in addition to the fortune of above-described embodiment introduction
Outside line mode, there is also other methods of operation:If unit starting sequence is changeable, unit operation is directly driven by steam turbine, institute
Have similar unit arrangement, unit mutation or unit operation mode have it is certain it is different all should be among this patent protection, the present invention
Optimum efficiency section, average operating efficiency highest are operated in always in any operating mode tubine;Unit electricity consumption is greatly reduced, if
Motor is constantly in generating operation mode, not only unit not power consumption itself, but also can be other power supply for electrical equipment, and power plant is greatly reduced
Electricity consumption;Vapour electricity mixed power pump units with speed regulation has double spare characteristic, and small turbine is spare each other with motor in unit, and unit is not easy
Non-programmed halt, and it is not necessary that additional startup electric pump unit is arranged;Under the lower situation of power plant load rate, boiler can be made
The steam extraction amount increase of steam production, steam turbine, the thermal efficiency of cycle of Shi Quan factories increase, also alleviate to a certain extent ultralow
The problem of boiler surely fires under load.
The foregoing is only a preferred embodiment of the present invention, these specific implementation modes are all based on the present invention
Different realization methods under general idea, and scope of protection of the present invention is not limited thereto, it is any to be familiar with the art
Technical staff in the technical scope disclosed by the present invention, the change or replacement that can be readily occurred in, should all cover the present invention
Within protection domain, therefore, the scope of protection of the invention shall be subject to the scope of protection specified in the patent claim.
Claims (10)
1. a kind of efficient gas electricity mixed power pump units with speed regulation, including steam turbine(1), gear-box(2), synchronous automatic clutch(3)、
Motor(4), load(6), speed control device, which is characterized in that steam turbine(1)Output shaft and gear-box(2)Input shaft couples, gear
Case(2)Output shaft and synchronous automatic clutch(3)Input shaft couples, synchronous automatic clutch(3)Output shaft and motor(4)With it is negative
It carries(6)Combined assembly connection, motor(4)With load(6)Combined assembly and speed control device it is in mating connection, wherein motor
(4)It is connect with power grid.
2. a kind of efficient gas electricity mixed power pump units with speed regulation according to claim 1, which is characterized in that the motor
(4)For Double shaft-extension structure, steam turbine(1)Output shaft and gear-box(2)Input shaft couples, gear-box(2)Output shaft with it is synchronous from
Dynamic clutch(3)Input shaft couples, synchronous automatic clutch(3)Output shaft and motor(4)Input shaft couples, and the speed governing is set
The standby total power frequency converter for for adjusting motor speed(5), motor(4)Pass through total power frequency converter(5)It is connect with power grid, electricity
Machine(4)Output shaft and load(6)Connection.
3. a kind of efficient gas electricity mixed power pump units with speed regulation according to claim 1, which is characterized in that the load
(6)For Double shaft-extension structure, steam turbine(1)Output shaft and gear-box(2)Input shaft couples, gear-box(2)Output shaft with it is synchronous from
Dynamic clutch(3)Input shaft couples, synchronous automatic clutch(3)Output shaft and load(6)Left side input shaft connection, right load
(6)Input shaft couples with speed control device, speed control device and motor(4)Connection, motor(4)Directly it is connect with power grid.
4. a kind of efficient gas electricity mixed power pump units with speed regulation according to claim 1, which is characterized in that the motor
(4)For Double shaft-extension structure, steam turbine(1)Output shaft and gear-box(2)Input shaft couples, gear-box(2)Output shaft with it is synchronous from
Dynamic clutch(3)Input shaft couples, synchronous automatic clutch(3)Output shaft and motor(4)Input shaft couples, motor(4)Directly
It is connect with power grid, motor(4)Output shaft couples with speed control device, and speed control device couples with load 6.
5. a kind of efficient gas electricity mixed power pump units with speed regulation according to claim 3 or 4, which is characterized in that the tune
Fast equipment is planet hydraulic speed-regulating/Constant-Speed Unit(7).
6. a kind of efficient gas electricity mixed power pump units with speed regulation according to claim 3 or 4, which is characterized in that the tune
Fast equipment is planet frequency control/Constant-Speed Unit(8).
7. a kind of efficient gas electricity mixed power pump units with speed regulation according to claim 1 or 2 or 3 or 4, which is characterized in that institute
The steam turbine stated(1)It can be substituted with gas turbine.
8. a kind of efficient gas electricity mixed power pump units with speed regulation according to claim 1 or 2 or 3 or 4, which is characterized in that institute
The steam turbine stated(1)With synchronous automatic clutch(3)Connection, can not arrange gear-box(2).
9. a kind of efficient gas electricity mixed power pump units with speed regulation according to claim 1 or 2 or 3 or 4, which is characterized in that tooth
Roller box(2)With synchronous automatic clutch(3)Molding can be an integral structure.
10. a kind of efficient gas electricity mixed power pump units with speed regulation according to claim 1 or 2 or 3 or 4, which is characterized in that root
According to the function that the configuration of unit is realized with needs, the motor(4)Pattern there are three types of:Pure electric vehicle, pure power generation, electronic/power generation
It is dual-purpose.
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CN110145475A (en) * | 2019-06-21 | 2019-08-20 | 哈尔滨广瀚动力传动有限公司 | More driving structures of Thermal Power Station's primary air fan |
CN110500142A (en) * | 2019-08-01 | 2019-11-26 | 大唐郓城发电有限公司 | A kind of ultra supercritical double reheat power generation sets water supply mercury vapour electricity hybrid drive and method |
CN112727788A (en) * | 2021-01-14 | 2021-04-30 | 西安陕鼓动力股份有限公司 | Speed regulation method of energy recovery system of speed regulation type double four-quadrant frequency converter |
CN112727789A (en) * | 2021-01-14 | 2021-04-30 | 西安陕鼓动力股份有限公司 | Control method of energy recovery system of speed-regulating double-four-quadrant frequency converter |
CN114961885A (en) * | 2022-05-07 | 2022-08-30 | 中国船舶重工集团公司第七0三研究所 | Power switching method of double-power driving unit |
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2018
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CN110145475A (en) * | 2019-06-21 | 2019-08-20 | 哈尔滨广瀚动力传动有限公司 | More driving structures of Thermal Power Station's primary air fan |
CN110500142A (en) * | 2019-08-01 | 2019-11-26 | 大唐郓城发电有限公司 | A kind of ultra supercritical double reheat power generation sets water supply mercury vapour electricity hybrid drive and method |
CN112727788A (en) * | 2021-01-14 | 2021-04-30 | 西安陕鼓动力股份有限公司 | Speed regulation method of energy recovery system of speed regulation type double four-quadrant frequency converter |
CN112727789A (en) * | 2021-01-14 | 2021-04-30 | 西安陕鼓动力股份有限公司 | Control method of energy recovery system of speed-regulating double-four-quadrant frequency converter |
CN114961885A (en) * | 2022-05-07 | 2022-08-30 | 中国船舶重工集团公司第七0三研究所 | Power switching method of double-power driving unit |
CN114961885B (en) * | 2022-05-07 | 2023-08-08 | 中国船舶重工集团公司第七0三研究所 | Power switching method of double-power driving unit |
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