CN104196683A - Wind and electricity compensatory wind energy comprehensively-utilizing system and control method thereof - Google Patents
Wind and electricity compensatory wind energy comprehensively-utilizing system and control method thereof Download PDFInfo
- Publication number
- CN104196683A CN104196683A CN201410413013.1A CN201410413013A CN104196683A CN 104196683 A CN104196683 A CN 104196683A CN 201410413013 A CN201410413013 A CN 201410413013A CN 104196683 A CN104196683 A CN 104196683A
- Authority
- CN
- China
- Prior art keywords
- wind
- input shaft
- energy
- bearing
- power
- 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.)
- Granted
Links
Classifications
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/76—Power conversion electric or electronic aspects
Landscapes
- Wind Motors (AREA)
Abstract
The invention relates to the technical field of wind power utilization, in particular to a wind and electricity compensatory wind energy comprehensively-utilizing system. The wind and electricity compensatory wind energy comprehensively-utilizing system comprises a wind power mechanical energy converting device, an electric driving device, a double-power synthesizing device, a power loading device and a controlling system. The wind and electricity compensatory wind energy comprehensively-utilizing system is characterized in that the double-power synthesizing device comprises a first input shaft, a second input shaft and a power output shaft. The wind power mechanical energy converting device comprises a wind turbine and a wind power output shaft, and the wind power output shaft is connected with the first input shaft. The electric driving device comprises a motor connected with the second input shaft. The invention further discloses a control method. The wind and electricity compensatory wind energy comprehensively-utilizing system has the advantages that the wind energy and the electric energy can be synthesized in an overlapping mode, the application limitation caused by randomness and uncertainty of the wind energy can be effectively broken through, and when the wind energy exceeds the demand of the power loading device, the controlling system can convert the surplus wind energy into the electric energy and feed the electric energy back to a power grid, and the wind energy is efficiently utilized.
Description
Technical field
The present invention relates to wind power utilization technical field, the energy and wind energy integrative that relates in particular to a kind of wind-electricity complementary utilizes system, also relates to the controlling method of this system.
Background technique
Wind energy is a kind of clean, safety, reproducible green energy resource, utilizes wind energy environmentally safe, and to ecological, without destroying, environmental benefit and ecological benefit are good, significant for human social.The utilization of wind energy is to be mainly used as power and two kinds of forms of wind-power electricity generation with wind energy; The kinetic energy that wind-power electricity generation keeps watch is transformed into mechanical energy, then mechanical energy is converted into electric energy, has very large conversion loss in energy conversion.With wind energy, be used as power, utilize exactly wind directly to drive various mechanical devices, as driven water pump water lift, driving high-pressure water pump to carry out desalination of sea water etc., the advantage of this wind motor is that energy utilization rate is high.Therefore but because wind-force has randomness and uncertainty, limited its application area, especially at some, need to stablize the occasion that power exports all the more so.The patent documentation that is ZL201120033186.2 as the patent No. discloses the device that a kind of wind-electricity complementary drives desalination of sea water high-pressure service pump, is by wind power transformation, to be directly that mechanical energy drives high-pressure water pump to carry out desalination of sea water.Randomness due to wind-force, in order to guarantee the continous-stable work of seawater desalination system, it has adopted electric drive secondary pressurized water pump to carry out the supplementary mode of wind energy, but this structure can't well be tackled the randomness of wind-force, can not make electric power and wind-force realize the synthetic of speed; The patent No. is the patent of invention of ZL201220391635.5, " a kind of dynamic balnce output system of wind-electricity complementary " disclosed, no matter two kinds of power output shaft speeds of this invention wind-force and electric power how, can obtain effective aggregate velocity output at power take-off mechanism, when wind energy conversion system output shaft turns round at random, can by this, invent the synthetic output of determined pattern with the power of electric power output shaft.And can compensate wind-force transformation of axis with the servo-actuated of electric power axle, thereby the output of the speed of proof load is constant.When comprehensive above prior art, remain in following defect; The one, when wind-force is excessive, traditional method is to adopt damping device to consume unnecessary wind energy, this has also caused another kind of energy waste, can not make full use of changing a changing huge wind-force, the 2nd, the moment that above-mentioned dynamic balnce output system still can not make wind-force and electric power produce is synthesized; If the electric energy of in wind energy acting, unnecessary wind energy transformation being carried for ease of storage, feedback grid, what the wind energy utilization system with stable power output forming thus will make wind energy utilizes prospect more wide.
Summary of the invention
The present invention is directed to above-mentioned the deficiencies in the prior art, provide a kind of energy and wind energy integrative of wind-electricity complementary to utilize system.It can not only make wind energy directly be utilized, and unnecessary wind energy transformation can also be become to electric feedback electrical network.
The technological scheme that the present invention solves the problems of the technologies described above is as follows: a kind of energy and wind energy integrative of wind-electricity complementary utilizes system, comprises wind-powered machine energy conversion equipment, electric driver, double dynamical synthesizer, dynamic load device and control system, it is characterized in that:
Described double dynamical synthesizer comprises the first input shaft, the second input shaft and pto＝power take-off;
Described wind-powered machine energy conversion equipment comprises wind energy conversion system and wind energy conversion system output shaft, and described wind energy conversion system output shaft is connected with the first input shaft of described double dynamical synthesizer;
Described electric driver comprises motor, and the electric power output shaft of described electric driver is connected with the second input shaft of described double dynamical synthesizer;
Described dynamic load device comprises the power-driven mechanism being connected with the pto＝power take-off of described double dynamical synthesizer;
Described control system comprises for controlling the four-quadrant frequency converter of described motor; For detection of the speed measurement device of rotating speed and for detection of the PLC controller with control system.
Employing the invention has the beneficial effects as follows: utilize double dynamical synthesizer, wind energy and electric energy are carried out to the synthetic of speed and power, not only can effectively solve due to wind energy randomness and the uncertain wind energy application limitation causing, and when wind energy exceeds dynamic load device demand, can also by unnecessary wind energy transformation, be electric energy feedback electrical network by control system, this makes wind energy be able to efficient utilization, also makes the application of wind energy greatly expand simultaneously.
On the basis of technique scheme, the present invention can also do following improvement.
Further, described speed measurement device comprises the first photoelectric encoder, the second photoelectric encoder, the 3rd photoelectric encoder on the first input shaft, the second input shaft and the pto＝power take-off of being located at respectively described double dynamical synthesizer, described the first photoelectric encoder, the second photoelectric encoder, the 3rd photoelectric encoder are connected with the input end of described PLC controller respectively, so that tach signal to be provided; Described four-quadrant frequency converter control end is connected with the output terminal of described PLC controller, and described four-quadrant frequency converter comprises power end and motor side, and described power end is connected with external power grid, and described motor side is connected with described electric electromechanics.
Adopt the beneficial effect of above-mentioned further scheme to be, utilize PLC controller and four-quadrant frequency converter to realize the monitoring at any time of wind-force and have made full use of.
Further, described double dynamical synthesizer comprises housing, described the first input shaft, what the second input shaft and pto＝power take-off were parallel to each other is arranged in described housing, described the first input shaft, the second input shaft and pto＝power take-off are respectively by the first bearing of input shaft, the second bearing of input shaft and power take-off lever bearing are fixed on described housing, described the first input shaft is provided with the first input shaft gear, described the second input shaft is provided with the second input shaft gear, on described pto＝power take-off, be set with planetary gear speed-changing system, described planetary gear speed-changing system comprises gear ring, planet carrier, sun gear and planetary pinion, described sun gear is fixed on described pto＝power take-off, described gear ring is fixed on described housing by gear ring bearing, described gear ring outside is provided with gear ring gear, described planet carrier is fixed on described housing by planet carrier bearing, described planet carrier outside is provided with planet carrier gear, described planet carrier is provided with the planetary pinion being meshed with described sun gear, described planetary pinion is also meshed with described gear ring,
Described the first input shaft gear is meshed with described gear ring gear, described the second input shaft gear is meshed with described planet carrier gear, stretch out outside described housing at least one end of described the first input shaft, the second input shaft and pto＝power take-off, for being connected with outer power or outer load.
Adopt the beneficial effect of above-mentioned further scheme to be, the present invention compares as differential design with ordinary gear transmission, can not only realize the synthetic of friction speed, can also realize the synthetic of torque simultaneously.The present invention adopts planetary gear speed-changing system outstanding feature to be: when transferring power, it can carry out power dividing, simultaneously, major advantage is as follows: 1. machine volume is little, lightweight, compact structure, bearing capacity is large: owing to having the transmission of power dividing and each sun gear formation coaxial line formula in Planetary Gear Transmission and reasonably using internal gear engagement pair, therefore, can make its structure very compact; Again because sun gear several planetary pinions that around distributing are uniformly shared load, thereby the load that each gear is born is less, and allows these gears to adopt less modulus; In addition, in structure, take full advantage of interior engagement bearing capacity greatly and the held volume of ring gear itself, thereby be conducive to dwindle its overall sizes, and there is larger bearing capacity: 2. transmission efficiency is high; Due to the symmetry properties of planetary gear construction, make to act on the mutual balance of reaction force energy in sun gear and planetary pinion, thereby improve transmission efficiency; Proper in transmission type selecting, in the situation of reasonable structural arrangement, its transmission efficiency can reach 96%-98%.; 3. velocity ratio is large, needs only the type of suitable selection Planetary Gear Transmission and joins tooth scheme, just can obtain very large velocity ratio with a few gear, in the situation that there is very large velocity ratio, still can keep compact structure, and volume is little, the advantage that quality is little; 4. the present invention operates steadily, the ability of shock resistance and vibration is strong.Owing to adopting the identical planetary pinion of several structures, be distributed in uniformly sun gear around, thereby can make sun gear and the mutual balance of planetary inertial force.
Further, described the first bearing of input shaft and the second bearing of input shaft arrange in pairs, and being wherein often centering to rare one is unilateral bearing.
Adopt the beneficial effect of above-mentioned further scheme to be, while adopting unilateral bearing can avoid that one of them runs out of steam when two input shafts in, the axle reverse transfer that can not output power arrives this outer power device.Also band-type brake or one-way transmission mechanism have been avoided separately establishing on outer power device.
Further, described housing comprises support floor, has respectively a bearing to be located on described support floor in described the first bearing of input shaft and the second bearing of input shaft, and described gear ring bearing is also located on described support floor; Described planet carrier bearing is fixed on described housing by planet carrier shaft bearing sleeve; The outer end of described gear ring is also provided with thrust-bearing, and described thrust-bearing is fixed on housing by thrust axis bearing sleeve.
Adopt the beneficial effect of above-mentioned further scheme to be, arrange and support floor and one end of the first and second input shafts is supported on this support floor, shorter than each spring bearing being located on housing to wheelbase, thus guaranteed transmission performance, when high-torque is synthetic, each axle can have good rigidity.Because this support floor effect also makes the utility model more compact structure, needn't be because axle be oversize the overstriking diameter of axle.
Further, described electric driver also comprises the first magnetic clutch, the first belt pulley and the second belt pulley, and the output shaft of described motor is connected with the second input shaft of described double dynamical synthesizer by the first magnetic clutch, the first belt pulley and the second belt pulley; Described wind energy conversion system output shaft is connected with described the first input shaft with the 4th belt pulley by the 3rd belt pulley; Described power-driven mechanism comprises the 5th belt pulley and the 6th belt pulley.
Adopt the beneficial effect of above-mentioned further scheme to be, adopt belt pulley as power transmission mechanism, simple and practical, reliable.
Further, on the output shaft of described motor, be also provided with the 7th belt pulley, on described pto＝power take-off, be also provided with the second magnetic clutch and commutator, the input end of described the second magnetic clutch is provided with the 8th belt pulley, and the described the 7th is connected by belt with the 8th belt pulley.
Adopt the beneficial effect of above-mentioned further scheme to be, adopt this structure can be when wind-force is zero, wind-force be little when being unworthy utilizing in other words, directly starting electrical machinery driving load, thus avoided because middle multi-stage transmission causes energy loss.
Further, described dynamic load device is high-pressure service pump seawater desalination system.
Adopt the beneficial effect of above-mentioned further scheme to be, the energy and wind energy integrative of wind-electricity complementary of the present invention utilizes system, and its output is used for driving desalination of sea water, economical and practical, has very large development prospect.
Further, on the first input shaft of described double dynamical synthesizer and the second input shaft, be also respectively equipped with the first band-type brake device and the second band-type brake device.
Adopt the beneficial effect of above-mentioned further scheme to be, when needs electric power or one of them input of wind-force, can be by band-type brake by another input shaft locking, to avoid the impact on outside plant.
The invention also discloses the controlling method that a kind of energy and wind energy integrative utilizes:
Energy and wind energy integrative utilizes a controlling method for system, it is characterized in that: comprise and adopt the energy and wind energy integrative of wind-electricity complementary as above to utilize system, concrete steps are as follows:
1), system starts, the 3rd photoelectric encoder signal that four-quadrant frequency converter receives according to PLC calculates current dynamic load device actual speed NP automatically, and compares with the load speed NS setting: and set both speed and control difference △ N;
2) if NP<NS, and NS-NP> △ N, illustrate that wind-force is not enough to be with dynamic load, now four-quadrant frequency converter output control signal is connected and actuating motor the first magnetic clutch, four-quadrant frequency converter is inner by the automatic regulating frequency of PI algorithm, realize closed loop control with NP, until NS-NP< △ N;
3) if wind-force increases, make NS-NP approach △ N, four-quadrant frequency converter diminishes its frequency conversion frequency by PI regulating action, and when NS-NP=△ N, four-quadrant frequency converter is shut down motor, and turn-offs the first magnetic clutch;
4), when wind-force increases to, make NP>NS, and during NP-NS< △ N, four-quadrant frequency converter is still by step 3) perform an action;
5), when increasing to, wind-force makes NP>NS, and during NP-NS> △ N, the energy that now wind-force provides is greater than the required rotating speed of load, four-quadrant frequency converter output control signal makes the first magnetic clutch closed, four-quadrant frequency converter is realized rotating speed from motion tracking according to the first photoelectric encoder rotating speed, and excess energy is fed back to electrical network;
6), when wind-force changes, the 3rd photoelectric encoder signal that four-quadrant frequency converter receives according to PLC is that actual loading rotating speed moves by above-mentioned steps automatic control system.
Adopt the beneficial effect of said method to be: to adopt PLC and four-quadrant frequency converter to control native system, utilize above-mentioned controlling method, can follow the tracks of effectively, timely the random case of wind-force, system is made a response, especially unnecessary wind power transformation can be become to electric energy.
Accompanying drawing explanation
Fig. 1 is that the energy and wind energy integrative of a kind of wind-electricity complementary of the present invention utilizes system architecture schematic diagram;
Fig. 2 is control system structural representation of the present invention;
Fig. 3 is double dynamical synthesizer structural representation of the present invention;
Fig. 4 is double dynamical synthesizer of the present invention along the vertical cross section of pto＝power take-off:
Fig. 5 is the control principle schematic diagram of the present invention when electric driver works independently;
The control principle schematic diagram that Fig. 6 is the present invention when wind-force and electric power are worked simultaneously;
Fig. 7 is that the present invention controls principle schematic when electric driver feed.
At Fig. 1, in Fig. 7, each list of designations is as follows:
100, wind-powered machine energy conversion equipment; 101, wind energy conversion system; 102, wind energy conversion system output shaft; 103, the 3rd belt pulley; 104, the 4th belt pulley; 105, the first band-type brake device;
200, double dynamical synthesizer; 201, housing; 202, the first input shaft; 203, the first bearing of input shaft; 204, the first input shaft gear; 206, the second bearing of input shaft; 207, support floor; 208, the second input shaft; 209, the second input shaft gear; 211, pto＝power take-off; 212, output shaft bearing; 213, bearing housing; 214, thrust-bearing; 215, gear ring gear; 216, gear ring bearing; 217, gear ring; 218, planetary pinion; 219, planet carrier; 220, sun gear; 221, planet carrier gear; 222, planet carrier bearing; 223, planet carrier shaft bearing sleeve.
300, electric driver; 301, electric power output shaft; 302, the first magnetic clutch; 303, motor; 304, the first belt pulley; 305, the second belt pulley; 306, the second band-type brake device; 307, the 5th belt pulley; 308, the 6th belt pulley; 309, the second magnetic clutch; 310, commutator;
400, dynamic load device; 401, load; 402, the 7th belt pulley; 403, the 8th belt pulley;
500, control system; 501, PLC controller; 502, the first photoelectric encoder; 503, the second photoelectric encoder; 504, the 3rd photoelectric encoder; 505, four-quadrant frequency converter; 506, external power grid; 507, two-way ammeter;
Embodiment
Below in conjunction with accompanying drawing, principle of the present invention and feature are described, example, only for explaining the present invention, is not intended to limit scope of the present invention.
As depicted in figs. 1 and 2, a kind of energy and wind energy integrative of wind-electricity complementary utilizes system, comprises wind-powered machine energy conversion equipment 100, electric driver 300, double dynamical synthesizer 200, dynamic load device 400 and control system 500, it is characterized in that:
Described double dynamical synthesizer 200 comprises the first input shaft 202, the second input shaft 208 and pto＝power take-off 211;
Described wind-powered machine energy conversion equipment 100 comprises wind energy conversion system 101 and wind energy conversion system output shaft 102, and described wind energy conversion system output shaft 102 is connected with the first input shaft 202 of described double dynamical synthesizer;
Described electric driver 300 comprises motor 303, and the electric power output shaft 301 of described electric driver is connected with the second input shaft 208 of described double dynamical synthesizer;
Described dynamic load device 400 comprises the power-driven mechanism being connected with the pto＝power take-off 211 of described double dynamical synthesizer;
Described control system 500 comprises for controlling the four-quadrant frequency converter 505 of described motor; For detection of the speed measurement device of rotating speed and for detection of the PLC controller 501 with control system.
Described speed measurement device comprises the first photoelectric encoder 502, the second photoelectric encoder 503, the 3rd photoelectric encoder 504 on described the first input shaft 202, the second input shaft 208 and the pto＝power take-off of being located at respectively described double dynamical synthesizer, described the first photoelectric encoder 502, the second photoelectric encoder 503, the 3rd photoelectric encoder 504 are electrically connected to the input end of described PLC controller respectively, so that tach signal to be provided; Described four-quadrant frequency converter 505 control ends are electrically connected to the output terminal of described PLC controller 501, described four-quadrant frequency converter 505 comprises power end and motor side, described power end is connected with external power grid 506 by two-way ammeter 507, and described motor side is electrically connected to described motor 303.
During concrete enforcement, described four-quadrant frequency converter can be selected Siemens four-quadrant frequency converter G120, and PLC can select Siemens S7 series, and photoelectric encoder can select model more, as more in model, for example German TWK photoelectric encoder.
As shown in Figure 3 and Figure 4, described double dynamical synthesizer comprises housing 201, described the first input shaft 202, what the second input shaft 208 and pto＝power take-off 211 were parallel to each other is arranged in described housing 201, described the first input shaft 202, the second input shaft 208 and pto＝power take-off 211 are respectively by the first bearing of input shaft 203, the second bearing of input shaft 206 and power take-off lever bearing 212 are fixed on described housing, described the first input shaft 202 is provided with the first input shaft gear 204, described the second input shaft 208 is provided with the second input shaft gear 209, on described pto＝power take-off 211, be set with planetary gear speed-changing system, described planetary gear speed-changing system comprises gear ring 217, planet carrier 219, sun gear 220 and planetary pinion 218, described sun gear 220 is fixed on described pto＝power take-off 211, described gear ring 217 is fixed on described housing 201 by gear ring bearing 216, described gear ring 217 outsides are provided with gear ring gear 215, described planet carrier 219 is fixed on described housing 201 by planet carrier bearing 222, described planet carrier 219 outsides are provided with planet carrier gear 221, described planet carrier 219 is provided with the planetary pinion 218 being meshed with described sun gear 220, described planetary pinion 218 is also meshed with described gear ring 217,
Described housing is sealing configuration, and described power coupling assembly infiltrates in lubricant oil.
Described the first input shaft gear 204 is meshed with described gear ring gear 215, described the second input shaft gear 219 is meshed with described planet carrier gear 221, stretch out outside described housing at least one end of described the first input shaft 202, the second input shaft 208 and pto＝power take-off 211, for being connected with outer power or outer load.
Described the first bearing of input shaft 203 and the second bearing of input shaft 206 arrange in pairs, and being wherein often centering to rare one is unilateral bearing.
Described housing comprises support floor 207, has respectively a bearing to be located on described support floor 207 in described the first bearing of input shaft 203 and the second bearing of input shaft 206, and described gear ring bearing 216 is also located on described support floor 207; Described planet carrier bearing 222 is fixed on described housing 201 by planet carrier shaft bearing sleeve 223; The outer end of described gear ring 217 is also provided with thrust-bearing 214, and described thrust-bearing 214 is fixed on housing 201 by thrust axis bearing sleeve 213.
The working principle of described double dynamical synthesizer is as follows:
When the first input shaft 203 and the second input shaft 208 are done the used time simultaneously, the first input shaft 203 drives gear ring gear 215 to rotate by the first input shaft gear 204, drive gear ring 217 to rotate simultaneously, 217 ring gears by self of gear ring and planetary engagement are arrived sun gear 220 by transmission of power, and then drive pto＝power take-off 211 to rotate; The second input shaft 208 drives planet carrier gear 221 to rotate by the second input shaft gear 209,219 of planet carriers have accelerated planetary rotation, and then the power of the power of the second input shaft and the first input shaft is superposeed on described pto＝power take-off 211, synthesized power or moment.
When one of them runs out of steam in two input shafts, because the resistance of unilateral bearing transfers to use, make gear ring 17 or planet carrier 19 stop motions, and the power of another input shaft is all delivered on pto＝power take-off 11;
In two input shafts, one of them or two, when chance mechanism state, can not affect another transmission of power; In addition, if be equipped with suitable detection system, when one of them power reduces, input power that can also be by promoting another is to keep the constant of outputting power.
As depicted in figs. 1 and 2, described electric driver 300 also comprises the first magnetic clutch 302, the first belt pulley 304 and the second belt pulley 305, and the output shaft of described motor is connected with the second input shaft 208 of described double dynamical synthesizer by the first magnetic clutch 302, the first belt pulley 304 and the second belt pulley 305; Described wind energy conversion system output shaft 102 is connected with described the first input shaft 202 with the 4th belt pulley 104 by the 3rd belt pulley 103; Described power-driven mechanism comprises the 5th belt pulley 307 and the 6th belt pulley 308.
On the output shaft of described motor, be also provided with the 7th belt pulley 402, on described pto＝power take-off 211, be also provided with the second magnetic clutch 309 and commutator 310, the input end of described the second magnetic clutch is provided with the 8th belt pulley 403, and the described the 7th is connected by belt with the 8th belt pulley.
Described the first magnetic clutch 302, the second magnetic clutch 309 are electrically connected to the output terminal of described PLC controller.
Described dynamic load device 400 is high-pressure service pump seawater desalination systems.
On the first input shaft 202 of described double dynamical synthesizer and the second input shaft 208, be also respectively equipped with the first band-type brake device 105 and the second band-type brake device 306.Described the first band-type brake device 105 and the second band-type brake device 306 are electrically connected to the output terminal of described PLC controller.
The invention also discloses the controlling method that a kind of energy and wind energy integrative utilizes:
Energy and wind energy integrative utilizes a controlling method for system, comprises and adopts the energy and wind energy integrative of wind-electricity complementary as above to utilize system, and concrete steps are as follows:
1), system starts, the 3rd photoelectric encoder 504 signals that four-quadrant frequency converter 505 receives according to PLC calculate current dynamic load device 400 actual speed NP automatically, and compare with the load speed NS setting: and set both speed and control difference △ N;
2) if NP<NS, and NS-NP> △ N, illustrate that wind-force is not enough to be with dynamic load, now four-quadrant frequency converter 505 output control signals are connected and actuating motor the first magnetic clutch 302, four-quadrant frequency converter 505 is inner by the automatic regulating frequency of PI algorithm, realize closed loop control with NP, until NS-NP< △ N;
3) if wind-force increases, make NS-NP approach △ N, four-quadrant frequency converter 505 diminishes its frequency conversion frequency by PI regulating action, and when NS-NP=△ N, four-quadrant frequency converter 505 is shut down motor, and turn-offs the first magnetic clutch 302;
4), when wind-force increases to, make NP>NS, and during NP-NS< △ N, four-quadrant frequency converter 505 is still by step 3) perform an action;
5), when increasing to, wind-force makes NP>NS, and during NP-NS> △ N, the energy that now wind-force provides is greater than the required rotating speed of load, four-quadrant frequency converter 505 output control signals make the first magnetic clutch 302 closures, four-quadrant frequency converter 505 is realized rotating speed from motion tracking according to the first photoelectric encoder 502 rotating speeds, and excess energy is fed back to electrical network;
6), when wind-force changes, the 3rd photoelectric encoder 504 signals that four-quadrant frequency converter 505 receives according to PLC are that actual loading rotating speed moves by above-mentioned steps automatic control system.
Take that to drive desalination of sea water be example below, take dynamic load device as water pump illustrates working principle of the present invention:
As shown in Figure 5, be the control principle schematic diagram of the present invention when electric driver works independently.When calm, electric driver 300 drives separately dynamic load device 400.Now 501 pairs of the first band-type brake device 105 of PLC controller are exported band-type brake signals, the first input shaft 202 lockings of wind-powered machine energy conversion equipment one side of double dynamical synthesizer 200.
PLC controller 501, according to water pump given speed, calculates the given frequency of four-quadrant frequency converter 505, and frequency signal is transferred to four-quadrant frequency converter 505 by signal bus.
Four-quadrant frequency converter 505, according to given frequency values, adopts the vector control method of tape speed feedback, adjusts the motor speed of electric driver 300, and the second photoelectric encoder 503 records motor speed, for the closed-loop vector of four-quadrant frequency converter 505, controls.Motor drives water pumps to rotate by power synthesis device 200, and the 3rd photoelectric encoder 504 is for measuring pump rotary speed, and feeds back to PLC controller 501, for the closed loop control of pump rotary speed.
As shown in Figure 6, be the control principle schematic diagram of the present invention when wind-force and electric power are worked simultaneously.When having wind, wind-powered machine energy conversion equipment 100 and electric driver 300 can drive dynamic load device 200 jointly.Record by experiment the wind speed threshold value that wind energy conversion system drives separately water pump, when there being wind still not reach this wind speed threshold value, wind energy conversion system cannot drive separately water pump so, and wind energy conversion system and motor, as power input source, drive water pump jointly.The first photoelectric encoder 502 records after wind energy conversion system rotary speed information, is input in PLC controller 501, and PLC controller 501, according to water pump given speed and wind energy conversion system speed, calculates the given frequency of four-quadrant frequency converter 505, and is transferred to four-quadrant frequency converter.
Four-quadrant frequency converter 505, according to given frequency values, still adopts closed-loop vector controlling method, adjusts the motor speed of electric driver 300.The second photoelectric encoder 503 is for measuring motor speed and for the closed loop control of four-quadrant frequency converter 505.
Motor 303 and wind energy conversion system 101 carry out rotating speed by double dynamical synthesizer 200 and synthesize, and drive water pump to rotate according to given rotating speed.The 3rd photoelectric encoder 504 is measured pump rotary speeds and for the closed loop control of water pump.
As shown in Figure 7, for the present invention controls principle schematic when the electric driver feed.When wind speed meets and exceeds can drive separately the threshold value of load time, now wind energy conversion system is except driving water pump, the generating of excess energy driving electric machine.
Wind energy conversion system drives the motor rotor of water pump and electric driver 300 by double dynamical synthesizer 200, motor 303 generates electricity in generating state, and by four-quadrant frequency converter 505 outputs, meets the electric power of electrical network quality.
The first photoelectric encoder 502 records after wind-powered machine energy conversion equipment 100 pto＝power take-off 211 rotary speed informations, be input in PLC controller 501, PLC controller 501 is according to water pump given speed and wind energy conversion system speed, calculate the given frequency of four-quadrant frequency converter 505, and be transferred to four-quadrant frequency converter 505.
Four-quadrant frequency converter 505 adopts closed-loop vector control mode, adjusts motor 303 rotating speeds.The second photoelectric encoder 503 is for the closed loop control of four-quadrant frequency converter.
The 3rd photoelectric encoder 504 is for the closed loop control of water pump.
The foregoing is only preferred embodiment of the present invention, in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (10)
1. the energy and wind energy integrative of a wind-electricity complementary utilizes system, comprise wind-powered machine energy conversion equipment (100), electric driver (300), double dynamical synthesizer (200), dynamic load device (400) and control system (500), it is characterized in that:
Described double dynamical synthesizer (200) comprises the first input shaft (202), the second input shaft (208) and pto＝power take-off (211);
Described wind-powered machine energy conversion equipment (100) comprises wind energy conversion system (101) and wind energy conversion system output shaft (102), and described wind energy conversion system output shaft (102) is connected with first input shaft (202) of described double dynamical synthesizer;
Described electric driver (300) comprises motor (303), and the electric power output shaft (301) of described electric driver is connected with second input shaft (208) of described double dynamical synthesizer;
Described dynamic load device (400) comprises the power-driven mechanism being connected with the pto＝power take-off (211) of described double dynamical synthesizer;
Described control system (500) comprises the four-quadrant frequency converter (505) for controlling described motor; For detection of the speed measurement device of rotating speed and for detection of the PLC controller (501) with control system.
2. the energy and wind energy integrative of wind-electricity complementary according to claim 1 utilizes system, it is characterized in that, described speed measurement device comprises the first photoelectric encoder (502), the second photoelectric encoder (503), the 3rd photoelectric encoder (504) on described the first input shaft (202), the second input shaft (208) and the pto＝power take-off of being located at respectively described double dynamical synthesizer, described the first photoelectric encoder, the second photoelectric encoder, the 3rd photoelectric encoder are connected with the input end of described PLC controller respectively, so that tach signal to be provided; Described four-quadrant frequency converter (505) control end is connected with the output terminal of described PLC controller (501), described four-quadrant frequency converter (505) comprises power end and motor side, described power end is connected with external power grid (506), and described motor side is electrically connected to described motor (303).
3. the energy and wind energy integrative of wind-electricity complementary according to claim 1 utilizes system, it is characterized in that, described double dynamical synthesizer comprises housing (201), described the first input shaft (202), what the second input shaft (208) and pto＝power take-off (211) were parallel to each other is arranged in described housing (201), described the first input shaft (202), the second input shaft (208) and pto＝power take-off (211) are respectively by the first bearing of input shaft (203), the second bearing of input shaft (206) and power take-off lever bearing (212) are fixed on described housing, described the first input shaft (202) is provided with the first input shaft gear (204), described the second input shaft (208) is provided with the second input shaft gear (209), described pto＝power take-off is set with planetary gear speed-changing system on (211), described planetary gear speed-changing system comprises gear ring (17), planet carrier (219), sun gear (220) and planetary pinion (218), described sun gear (220) is fixed on described pto＝power take-off (211), described gear ring (217) is fixed on described housing (201) by gear ring bearing (216), described gear ring (217) outside is provided with gear ring gear (215), described planet carrier (219) is fixed on described housing (201) by planet carrier bearing (222), described planet carrier (219) outside is provided with planet carrier gear (221), described planet carrier (219) is provided with the planetary pinion (218) being meshed with described sun gear (220), described planetary pinion (218) is also meshed with described gear ring (217),
Described the first input shaft gear (204) is meshed with described gear ring gear (215), described the second input shaft gear (209) is meshed with described planet carrier gear (221), stretch out outside described housing at least one end of described the first input shaft (202), the second input shaft (208) and pto＝power take-off (211), for being connected with outer power or outer load.
4. the energy and wind energy integrative of wind-electricity complementary according to claim 3 utilizes system, it is characterized in that, described the first bearing of input shaft (203) and the second bearing of input shaft (206) arrange in pairs, and being wherein often centering to rare one is unilateral bearing.
5. the energy and wind energy integrative of wind-electricity complementary according to claim 3 utilizes system, it is characterized in that, described housing comprises support floor (207), in described the first bearing of input shaft (203) and the second bearing of input shaft (206), have respectively a bearing to be located at described support floor (207) upper, described gear ring bearing (216) is also located on described support floor (207); Described planet carrier bearing (222) is fixed on described housing (201) by planet carrier shaft bearing sleeve (223); The outer end of described gear ring (217) is also provided with thrust-bearing (214), and described thrust-bearing (214) is fixed on housing (201) by thrust axis bearing sleeve (213).
6. according to the energy and wind energy integrative of the wind-electricity complementary described in claim 1～3 any one, utilize system, it is characterized in that, described electric driver (300) also comprises the first magnetic clutch (302), the first belt pulley (304) and the second belt pulley (305), and the output shaft of described motor is connected with second input shaft (208) of described double dynamical synthesizer by the first magnetic clutch (302), the first belt pulley (304) and the second belt pulley (305); Described wind energy conversion system output shaft (102) is connected with described the first input shaft (202) with the 4th belt pulley (104) by the 3rd belt pulley (103); Described power-driven mechanism comprises the 5th belt pulley (307) and the 6th belt pulley (308).
7. the energy and wind energy integrative of wind-electricity complementary according to claim 6 utilizes system, it is characterized in that, on the output shaft of described motor, be also provided with the 7th belt pulley (402), on described pto＝power take-off (211), be also provided with the second magnetic clutch (309) and commutator (310), the input end of described the second magnetic clutch is provided with the 8th belt pulley (403), and the described the 7th is connected by belt with the 8th belt pulley.
8. the energy and wind energy integrative of wind-electricity complementary according to claim 1 utilizes system, it is characterized in that: described dynamic load device (400) is high-pressure service pump seawater desalination system.
9. the energy and wind energy integrative of wind-electricity complementary according to claim 1 utilizes system, it is characterized in that: on first input shaft (202) of described double dynamical synthesizer and the second input shaft (208), be also respectively equipped with the first band-type brake device (105) and the second band-type brake device (306).
10. energy and wind energy integrative utilizes a controlling method for system, it is characterized in that: comprise and adopt the energy and wind energy integrative of the wind-electricity complementary as described in claim 1～9 any one to utilize system, concrete steps are as follows:
1), system starts, the 3rd photoelectric encoder (504) signal that four-quadrant frequency converter (505) receives according to PLC calculates current dynamic load device (400) actual speed NP automatically, and compare with the load speed NS setting, and set both speed and control difference △ N;
2) if NP<NS, and NS-NP> △ N, illustrate that wind-force is not enough to be with dynamic load, now four-quadrant frequency converter (505) output control signal is connected and actuating motor the first magnetic clutch (302), four-quadrant frequency converter (505) is inner by the automatic regulating frequency of PI algorithm, realize closed loop control with NP, until NS-NP< △ N;
3) if wind-force increases, make NS-NP approach △ N, four-quadrant frequency converter (505) diminishes its frequency conversion frequency by PI regulating action, when NS-NP=△ N, four-quadrant frequency converter (505) is shut down motor, and turn-offs the first magnetic clutch (302);
4), when wind-force increases to, make NP>NS, and during NP-NS< △ N, four-quadrant frequency converter (505) is still by step 3) perform an action;
5), when increasing to, wind-force makes NP>NS, and during NP-NS> △ N, the energy that now wind-force provides is greater than the required rotating speed of load, four-quadrant frequency converter (505) output control signal makes the first magnetic clutch (302) closure, four-quadrant frequency converter (505) is realized rotating speed from motion tracking according to the first photoelectric encoder (502) rotating speed, and excess energy is fed back to electrical network;
6), when wind-force changes, the 3rd photoelectric encoder (504) signal that four-quadrant frequency converter (505) receives according to PLC is that actual loading rotating speed moves by above-mentioned steps automatic control system.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410413013.1A CN104196683B (en) | 2014-08-20 | 2014-08-20 | Wind and electricity compensatory wind energy comprehensively-utilizing system and control method thereof |
| PCT/CN2014/093239 WO2016026242A1 (en) | 2014-08-20 | 2014-12-08 | Wind-electricity complementary wind energy comprehensive utilization system and control method therefor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410413013.1A CN104196683B (en) | 2014-08-20 | 2014-08-20 | Wind and electricity compensatory wind energy comprehensively-utilizing system and control method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104196683A true CN104196683A (en) | 2014-12-10 |
| CN104196683B CN104196683B (en) | 2017-04-12 |
Family
ID=52082027
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410413013.1A Expired - Fee Related CN104196683B (en) | 2014-08-20 | 2014-08-20 | Wind and electricity compensatory wind energy comprehensively-utilizing system and control method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104196683B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106150908A (en) * | 2015-04-05 | 2016-11-23 | 严基铭 | A kind of intelligent wind power TRT |
| CN108533692A (en) * | 2018-06-12 | 2018-09-14 | 重庆大学 | A kind of low wind speed offset-type wind turbine gearbox drive mechanism |
| CN108545809A (en) * | 2018-05-29 | 2018-09-18 | 天津丽彩数字技术有限公司 | It provides multiple forms of energy to complement each other reverse osmosis desalination device |
| CN111115929A (en) * | 2020-01-22 | 2020-05-08 | 中国人民解放军32181部队 | Seawater desalination device and control method thereof |
| CN111173679A (en) * | 2020-01-22 | 2020-05-19 | 中国人民解放军32181部队 | Wind-electricity complementary power system and control method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5549524A (en) * | 1994-10-03 | 1996-08-27 | Yang; Tai-Her | Multiple functioned combined power system |
| CN201293075Y (en) * | 2008-11-10 | 2009-08-19 | 华北电力大学 | Stepless governor of differential gear train |
| CN102173479A (en) * | 2011-02-12 | 2011-09-07 | 吴速 | Wind-power complementary pneumatic seawater desalting device |
| CN202690337U (en) * | 2012-08-08 | 2013-01-23 | 吴速 | Wind electricity complementary power balance output system |
| CN204024919U (en) * | 2014-08-20 | 2014-12-17 | 吴速 | A kind of energy and wind energy integrative of wind-electricity complementary utilizes system |
-
2014
- 2014-08-20 CN CN201410413013.1A patent/CN104196683B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5549524A (en) * | 1994-10-03 | 1996-08-27 | Yang; Tai-Her | Multiple functioned combined power system |
| CN201293075Y (en) * | 2008-11-10 | 2009-08-19 | 华北电力大学 | Stepless governor of differential gear train |
| CN102173479A (en) * | 2011-02-12 | 2011-09-07 | 吴速 | Wind-power complementary pneumatic seawater desalting device |
| CN202690337U (en) * | 2012-08-08 | 2013-01-23 | 吴速 | Wind electricity complementary power balance output system |
| CN204024919U (en) * | 2014-08-20 | 2014-12-17 | 吴速 | A kind of energy and wind energy integrative of wind-electricity complementary utilizes system |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106150908A (en) * | 2015-04-05 | 2016-11-23 | 严基铭 | A kind of intelligent wind power TRT |
| CN108545809A (en) * | 2018-05-29 | 2018-09-18 | 天津丽彩数字技术有限公司 | It provides multiple forms of energy to complement each other reverse osmosis desalination device |
| CN108533692A (en) * | 2018-06-12 | 2018-09-14 | 重庆大学 | A kind of low wind speed offset-type wind turbine gearbox drive mechanism |
| CN111115929A (en) * | 2020-01-22 | 2020-05-08 | 中国人民解放军32181部队 | Seawater desalination device and control method thereof |
| CN111173679A (en) * | 2020-01-22 | 2020-05-19 | 中国人民解放军32181部队 | Wind-electricity complementary power system and control method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104196683B (en) | 2017-04-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104196683A (en) | Wind and electricity compensatory wind energy comprehensively-utilizing system and control method thereof | |
| CN201071904Y (en) | Differential epicyclic gear box | |
| CN201621013U (en) | Speed-adjustable type wind turbine generator system | |
| US9847697B2 (en) | Wave energy convertor | |
| WO2015055441A1 (en) | Wave energy convertor | |
| CN103883509A (en) | High-flow feed pump double-driving speed increasing type speed regulating system | |
| CN202789356U (en) | Energy storing device capable of utilizing gravitational potential energy to store and release electricity | |
| CN102278284A (en) | Automatic governing wind driven generator load device | |
| CN204024919U (en) | A kind of energy and wind energy integrative of wind-electricity complementary utilizes system | |
| CN201381944Y (en) | Wind power generation variable propeller reduction gear box | |
| CN107842468A (en) | A kind of parallel high and medium wind energy terrestrial power generation unit | |
| CN202209383U (en) | Integral planetary gear walking mechanism | |
| CN201225231Y (en) | Wind power generation yawing reduction gear box | |
| CN202690337U (en) | Wind electricity complementary power balance output system | |
| CN209324968U (en) | A kind of wind turbine gearbox drive mechanism of ultra-compact half direct-drive type power dividing differential | |
| CN102418674B (en) | Energy storage wind driven power generation device | |
| CN102817798A (en) | Wind power and electric power complementary power balanced output system | |
| WO2016026242A1 (en) | Wind-electricity complementary wind energy comprehensive utilization system and control method therefor | |
| CN202900550U (en) | Double-fan-blade wind energy transmission mechanism | |
| CN108561260B (en) | Power-controllable double-vortex-spring energy-storage nodding duck-type wave energy collection and power generation device | |
| CN104265575A (en) | Magnetic driving variable-speed control type wind power generator set and maximum wind energy capture method thereof | |
| CN203796538U (en) | Double-drive acceleration type speed regulation device for large-flow water feed pump | |
| CN202326025U (en) | Increasing gear for wind generating set and wind generating set | |
| CN108150622A (en) | A kind of accumulating mechanism and its application | |
| CN203404028U (en) | Environmental protection type heavy hammer type energy storage power station |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170412 Termination date: 20210820 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |