CN110273808A - A kind of high efficiency waterwheel power generation configuration system - Google Patents
A kind of high efficiency waterwheel power generation configuration system Download PDFInfo
- Publication number
- CN110273808A CN110273808A CN201810234396.4A CN201810234396A CN110273808A CN 110273808 A CN110273808 A CN 110273808A CN 201810234396 A CN201810234396 A CN 201810234396A CN 110273808 A CN110273808 A CN 110273808A
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- Prior art keywords
- water
- waterwheel
- power generation
- generator
- energy
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B13/00—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2220/00—Application
- F05B2220/70—Application in combination with
- F05B2220/706—Application in combination with an electrical generator
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2220/00—Application
- F05B2220/70—Application in combination with
- F05B2220/706—Application in combination with an electrical generator
- F05B2220/7068—Application in combination with an electrical generator equipped with permanent magnets
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Eletrric Generators (AREA)
- Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
Abstract
Novel waterwheel generates electricity configuration system (abbreviation system), which is made of waterwheel, permanent magnet generator, inverter, eliminates the components such as water transfer smooth rate apparatus, gear-shift mechanism, excitation con-trol screen, the grid-connection cabinet in existing waterwheel power generation corollary system.The present invention has broken the mode that existing waterwheel power generation system must be operated with synchronous speed, system revolving speed can change automatically according to the size of water flow, maximize waterpower utilization rate, the basic no mechanical loss of system, improve system stability, generating efficiency is maximized, and is suitable for all flow velocitys differences but has the river of certain flow, realizes the digital management at waterwheel power generation station.Realize in the case that water is small compared with water motor speed bottom water energy and the high water energy of the big revolving speed of water is big two kinds whole water energys can be converted to the ability of electric energy.
Description
Technical field:
The purpose of the present invention is to provide a kind of waterwheel power generations to configure system, belongs to the improvement wound of river power generation configuration system
New technology.
Background technique:
Water wheel generating set patent of invention is retrieved, mainstream scheme is the fixed waterwheel of setting cement support, manually builds or changes
Water channel is made, using water jet propulsion waterwheel, electrical power generators are arrived to gear-shift mechanism by transmission shaft again.There are also a kind of " floating water
Vehicle power generator ", Application Number (patent): CN201510054857.6 statutory status: failure.The floating water wheel generating set, by
Water wheel, water flow push plate, bearing, gear-shift mechanism, generator, waterwheel floating tank, floating tank bracket, waterwheel fixing buckle, interflow
Plate, fixed column composition, the advantage is that this device can be set in the biggish place of any water flow, according to water level height adjustment water
Wheel position increases gear friction velocity by gear-shift mechanism, keeps the power of generator, has easy for installation, is easy to real
Existing feature.
" floating water wheel generating set " has easy for installation, it is easy to accomplish the characteristics of, it is better than mainstream scheme." floating waterwheel hair
Electric installation " and " the fixed waterwheel of cement support is arranged in mainstream scheme, and artificial construction or transformation water channel are led to using water jet propulsion waterwheel
Cross transmission shaft and arrive electrical power generators again to gear-shift mechanism " power generations of two schemes configuration system (Fig. 2) has following defect:
First is that generator all uses electric excitation generator.Electric excitation generator power generation requirements invariablenes turning speed could generate electricity, when
Summer is filled with water the phase, and water is a large amount of, originally can be with multiple electricity, but due to maintaining system invariablenes turning speed, and generator capacity limited, and is
Avoid generator overload can only it is extra it is water-white it is white bleed off, waste very big water resource.And in poor-water phase, water velocity
Slack-off, electricity generation system can not normal power generation.
Second is that must use gear-shift mechanism in existing waterwheel power generation system, the mechanical loss of gear-shift mechanism, which reduces, is
System efficiency, and gear-shift mechanism belongs to easily worn part, increases fault point, increases maintenance load, reduces electricity generation system
Efficiency and waterpower utilization rate.
Third is that existing waterwheel power generation system configuration is electric excitation generator, electric excitation generator is difficult to accomplish under low speed
Operation, needs to configure gear-shift mechanism machine device, and electric excitation generator efficiency bottom itself in systems, it is also necessary to excitation con-trol
Screen provides field power supply and establishes magnetic field, increases system complexity.
Fourth is that this electricity generation system increases water transfer smooth rate apparatus, increases to keep system to run under synchronous speed
Foundation cost wastes water resource.
Fifth is that similarly configuration system cannot be run in river different in flow rate.(gear-shift mechanism no-load voltage ratio when different in flow rate
It is different)
In conclusion existing waterwheel power generation system revolving speed must the constant operation under synchronous speed, waterpower utilization rate bottom, reliably
Property bottom, Design of Main Structure configuration is complicated, and power passes through the principle that transmission shaft arrives electrical power generators to gear-shift mechanism again
Different with various regions water velocity reality generate conflict, and (generator speed requires specified, gear-shift mechanism no-load voltage ratio when flow velocity difference
Also different), same equipment cannot use in river different in flow rate, and the machine driving energy loss of this principle is big, hair
Electric rate is low；The defects of mechanical equipment maintenance cost is high.Disadvantages described above is the main original that waterwheel power generation is difficult to extensive popularization and application
Cause.
Retrieval power generation configuration system, Application Number (patent): CN201610232082.1 " Novel water conservancy power generation configuration system ",
It is characterized by: the system is made of the hydraulic turbine, permanent magnet generator, inverter, hydraulic turbine rotation under water flow driving is driven forever
Magnetic generator issues electric energy, and the electric energy that generator issues accesses inverter, by inverter commutation inversion and such as power grid.It eliminates
The components such as water transfer smooth rate apparatus, gear-shift mechanism, excitation con-trol screen, grid-connection cabinet in existing hydraulic turbine power generation corollary system.This
The mode that existing hydroelectric system must be operated with synchronous speed has been broken in invention, and system revolving speed can be according to the size of water flow
It is automatic to change, the energy of water flow can be fully absorbed, the super large water flow for the phase of being filled with water can be received, widen the power generation area in power station
Between, generating efficiency and generated energy are improved, structure is simplified, operating maintenance expense is saved, significantly improves generating efficiency, it can be with
It is comprehensive to improve generated energy, the benefit in power station is improved, realizes the digital management in power station.
The hydraulic turbine experienced long-term development process, and earliest and simplest form is exactly waterwheel.Hydraulic turbine structure is multiple
It is miscellaneous, it is desirable that certain head (2 meters or more), it is desirable that establishing dam in the appropriate location in river could be generated electricity using the hydraulic turbine, and
Ancient waterwheel structure is simple, can acquire water energy in any position for having flow in river and be used to generate electricity.
Summary of the invention:
Purpose: novel waterwheel power generation configuration system (abbreviation system), system pendulum support are overcome the deficiencies of the prior art and provide
The constraint of synchronous speed, can change the revolving speed of waterwheel, bigger water flow can be absorbed in waterwheel automatically according to the size of water flow
Flow makes full use of the energy of water flow, keeps system in optimal working condition always, maximizes waterpower utilization rate, system base
This no mechanical loss improves system stability, maximizes generating efficiency, and is suitable for all flow velocitys differences but has certain flow
River.
Technical solution and invention main points:
Novel waterwheel generates electricity configuration system (abbreviation system), which is made of waterwheel, permanent magnet generator, inverter, saves
The components such as water transfer smooth rate apparatus, gear-shift mechanism, excitation con-trol screen, the grid-connection cabinet in existing waterwheel power generation corollary system are removed.
The present invention has broken the mode that existing waterwheel power generation system must be operated with synchronous speed, and system revolving speed can be according to the big of water flow
Small automatic change, can fully absorb the energy of water flow, can receive the super large water flow for the phase of being filled with water, widen the power generation in power station
Section improves generating efficiency and generated energy, simplifies structure, saves operating maintenance expense, significantly improves generating efficiency, can
Generated energy is improved with comprehensive, the benefit in power station is improved, realizes the digital management in power station.
The principle of the present invention is: in this novel waterwheel power generation configuration system, waterwheel directly drives permanent magnet generator to send out
Electricity, the electric energy issued access inverter, and the electric energy for issuing generator by inverter is grid-connected.
In this novel waterwheel power generation configuration system, the electricity that permanent magnet generator issues is connected to the grid.When water flow is small, water
Vehicle revolving speed is slow, and the piezoelectric voltage bottom of permanent magnet generator sending, frequency is small, energy is small, and inverter becomes constant electricity by commutation inversion
The electric energy of constant frequency is pressed, the energy of at this moment inverter output is small certainly.When water flow is strong, waterwheel revolving speed becomes faster, permanent magnetism
The piezoelectric voltage that generator issues is got higher, frequency is got higher, energy becomes larger, and the energy of at this moment inverter output also becomes larger.It is contained when summer
When water phase water is big, water flow can all flow through waterwheel, make waterwheel revolving speed increase, energy by permanent magnet generator all of,
Maximally utilize rate.
The advantages of the present invention over the prior art are that:
First is that broken existing waterwheel power generation system configuration mode, the revolving speed of waterwheel be it is open, do not need to keep power grid
The synchronous speed needed, does not need water transfer smooth rate apparatus, and the revolving speed of waterwheel depends entirely on water flow to the impulse force of waterwheel, water compared with
Water motor speed bottom water energy is small and the high water energy of the big revolving speed of water is big can realize in the case of two kinds whole water energys being converted to electricity
The ability of energy.Maximumlly improve resource utilization.
Second is that novel waterwheel electricity generation system uses efficient permanent magnet generator, rare earth permanent magnet material is equipped in rotor of permanent-magnetic power generator
Material provides excitation field to generator, eliminates excitation winding and excitation con-trol screen, keep system structure simple, and reliability improves.
Permanent magnet generator itself is high-efficient, and same water resource can be with multiple electricity.Permanent magnet generator energy density is big, equal-wattage,
Under same rotational speed, generator volume is small, light-weight, project cost bottom.Rotor of permanent-magnetic power generator is permanent-magnet steel, and rotor does not generate heat
Therefore very high degree of protection can be made in generator, be particularly suitable for the environment of power station humidity, and that improves generator uses the longevity
Life, this is that excitation generator cannot achieve.Multilevel structure can be easier made in permanent magnet generator, can be at lower turn
The lower electric energy for issuing upper frequency of speed, makes electric energy preferably adapt to inverter inversion networking.Permanent magnet generator is particularly suitable for speed change
Working condition can be run under super low speed and ultrahigh speed, can operate normally power generation in river different in flow rate.This is existing
What electric excitation generator was difficult to realize.
Third is that new system eliminates gear-shift mechanism, gear-shift mechanism bring mechanical loss and maintenance expense are also just eliminated
With making that system is quieter, more efficient, operation ratio is higher.
Fourth is that the inverter in system has auto-parallel effect, do not need separately to match grid-connection cabinet, inverter can basis
The electric energy that system issues is connected to the grid transmission of electricity by the height of the voltage change adjust automatically output voltage of power grid in time.Inverter
It can make waterwheel power generation system and the organic knot of power grid according to the variation adjust automatically output voltage and power factor of network voltage
It closes.Inverter has comprehensive power protection scheme and self perfect detection and defencive function, in system failure itself or
It will be disconnected automatically with power grid when electric network fault, and guarantee system safety.Inverter can be convenient realization ipc monitor, realize long-range
Data acquisition and monitoring, realization power station is unattended and digitizes operational management.
Detailed description of the invention:
Fig. 1 is that novel waterwheel power generation configuration system of the invention constitutes schematic diagram.
Fig. 2 is that existing waterwheel power generation system structure is illustrated into figure.
Specific embodiment:
The told novel waterwheel power generation configuration system of the present invention, as shown in Figure 1, system has waterwheel, permanent magnet generator, inverter
Composition.Water jet propulsion waterwheel rotation, by the kinetic energy of water become waterwheel rotation mechanical energy, directly drive Hydromagnetic generator rotate and
It issues electric energy and automatically adjusts output voltage and frequency and phase angle after electric energy accesses inverter compared with power grid, make its output symbol
The electric energy for closing grid requirements, is connected to the grid by the grid-connecting apparatus of inverter internal.When water flow is big, permanent magnet generator output
Electric energy is more, and the electric energy being connected to the grid is big；When water flow is small, the electric energy of permanent magnet generator output is few, and the electric energy being connected to the grid is small.
Claims (2)
- The configuration system 1. novel waterwheel generates electricity, it is characterised in that: the system is made of waterwheel, permanent magnet generator, inverter, waterwheel Rotation drives permanent magnet generator to issue electric energy under water flow driving, and permanent magnet generator issues electric energy and accesses inverter, by inversion Device commutation inversion is connected to the grid.
- The configuration system 2. novel waterwheel according to claim 1 generates electricity, it is characterised in that: the generator in system is permanent magnetism Generator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810234396.4A CN110273808A (en) | 2018-03-17 | 2018-03-17 | A kind of high efficiency waterwheel power generation configuration system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810234396.4A CN110273808A (en) | 2018-03-17 | 2018-03-17 | A kind of high efficiency waterwheel power generation configuration system |
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| Publication Number | Publication Date |
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| CN110273808A true CN110273808A (en) | 2019-09-24 |
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| CN201810234396.4A Pending CN110273808A (en) | 2018-03-17 | 2018-03-17 | A kind of high efficiency waterwheel power generation configuration system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113818982A (en) * | 2021-09-24 | 2021-12-21 | 谭资润 | Hydraulic energy machine power generation system without building barrage |
-
2018
- 2018-03-17 CN CN201810234396.4A patent/CN110273808A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113818982A (en) * | 2021-09-24 | 2021-12-21 | 谭资润 | Hydraulic energy machine power generation system without building barrage |
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Addressee: Tong Qiao Document name: Notice of expiration of the time limit for the trial |
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Application publication date: 20190924 |