CN204046189U - A kind of intelligent grid distributed wind-power generator system - Google Patents
A kind of intelligent grid distributed wind-power generator system Download PDFInfo
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- CN204046189U CN204046189U CN201420217497.8U CN201420217497U CN204046189U CN 204046189 U CN204046189 U CN 204046189U CN 201420217497 U CN201420217497 U CN 201420217497U CN 204046189 U CN204046189 U CN 204046189U
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- wind
- generator system
- power generator
- power
- intelligent grid
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- 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
Abstract
The utility model discloses a kind of intelligent grid distributed wind-power generator system, this system comprises the wind power generation plant, energy conversion device, control device and the utility grid that connect successively, control device connects rectifier by the first switch, rectifier connects inverter and transformer respectively, inverter is connected with load, is connected after described transformer adjustment voltage with storage battery.By adopting walking abreast of wind generator system and conventional external electrical network, environmental protection, pollution-free, and the electricity consumption improving traditional electrical network is crowded; Unnecessary electric energy is laid in by storage battery; and by cement resistor, the electric energy that storage battery cannot store is converted to thermal energy consumption and falls, thus protect whole wind generator system, realize wind generator system and traditional electrical network is isolated; effectively make use of resource, meet need for electricity.
Description
Technical field
The utility model belongs to wind power generation field, specifically refers to a kind of intelligent grid distributed wind-power generator system.
Background technology
Along with the development of national economy and the raising of living standards of the people, power load is just sharply increased production in recent years, and power department concentrates on the large-scale centralized power supplys such as firepower, water power and nuclear power and improve in the construction of superhigh pressure remote conveying electrical network, but, the continuous expansion of electrical network scale, the drawback of ultra-large electric power system also shows especially day by day, and cost is high, operation difficulty is large, and the safety and reliability being difficult to adapt to user more and more higher requires and diversified power demands.Especially severe ice disaster weather is run into winter, the problems such as the electric coal exposed is nervous, long distance power transmission has a big risk, power supply architecture is unreasonable highlight day by day, particularly some big cities peripheries lack the power supply of various ways, the exposed day by day fragility of existing electric network composition.And existing electrical network utilizes traditional electric power resource, the needs meeting existing electric power are difficult to.
Utility model content
The purpose of this utility model is: overcome the above-mentioned defect of prior art, a kind of intelligent grid distributed wind-power generator system is provided, effectively alleviate the crowded of electrical network, the anxiety of the traditional resources such as electricity coal, and reduce risk and the cost of long distance power transmission, in power supply, mutually supplement with traditional bulk power grid.
The utility model is achieved through the following technical solutions: comprise the wind power generation plant, energy conversion device, control device and the utility grid that connect successively, control device connects rectifier by the first switch, after the alternating current that energy conversion device is changed is converted to direct current by rectifier, connect inverter and transformer respectively, DC inverter is be connected for load supplying after alternating current with load by inverter, is connected after described transformer adjustment voltage with storage battery.The wind power generation plant primary structure of intelligent grid distributed wind-power generator system is wind-driven generator, and being mainly used in the wind energy captured by the cooperating measure of self is electric energy.Energy conversion device Main Function in native system is that the alternating current provided by wind power generation plant is converted to direct current; and this alternating current is unstable; be converted to galvanic current; and energy conversion device connects inverter and transformer respectively; DC inverter is mainly alternating current by inverter; be connected with load; load is mainly family expenses or industrial equipment; and be load supplying; the transformer be connected with energy conversion device; be connected with storage battery after adjustment voltage, by secondary battery protection circuit, electric power be filled with storage battery.The electric energy that energy conversion device obtains is flowed to utility grid by circuit by control device, realizes being incorporated into the power networks of distributed wind-power generator system and utility grid, makes up the deficiency of conventional electric power resource power.The specific works principle of transformer of the present utility model, inverter, energy conversion device, storage battery is the common practise of this area, repeats no more here.
Further, described control device is connected with utility grid by electrical interface assembly, the electric energy that distributed wind-power generator system exports realizes the fusion with traditional bulk power grid, the on-position of adjustment distributed wind-power generator system and utility grid and capacity, pass through electrical interface assembly, realize the good access of system and utility grid, reduce the complexity of distribution overall operation, ensure that fail safe and the economy of distribution overall operation.
Further, also watt-hour meter device is connected with between described electrical interface assembly and utility grid.Electrical interface assembly is connected with utility grid by watt-hour meter device, is mainly used in measuring the electric energy outputting to utility grid circuit, is convenient to well be incorporated into utility grid to realizing distributed generation system, and can realize the equilibrium of supply and demand according to the mensuration of electric energy.
Further, described wind power generation plant is wind-driven generator, and wind power generation plant is mechanical kinetic energy by the kinetic energy of wind, be electric power kinetic energy by mechanical energy again, utilize wind-force to drive air vane to rotate, can pass through booster engine and the speed rotated is promoted, impel electrical power generators.
Further, described wind-driven generator comprises wind wheel apparatus, transmission mechanism, generator, automatic control equipment and supports steel tower, wind wheel apparatus is the vitals that the kinetic energy of wind is converted to mechanical energy, by the stable wind speed that automatic control equipment adjustment drive mechanism makes wind speed reach required, and connect generator, produce electric energy, wind-driven generator has various structures, the preferred this structure of the utility model, simple to operate, and efficiency is higher.
Further, described wind-driven generator adopts vertical axis aerogenerator, in the utility model, wind-driven generator is preferably the wind-driven generator of vertical axis, add the utilance of wind-driven generator to space, use perpendicular axis type wind-driven generator to make the front face area of impeller device blade reach maximum, thus improve the utilance of wind energy.
Further, described control device connects cement resistor by second switch, falls, realize the protection to intelligent distributed wind generator system for the electric energy of wind-driven generator is converted to thermal energy consumption.
The utility model compared with prior art, has the following advantages and beneficial effect:
(1) the utility model adopts walking abreast of wind generator system and conventional external electrical network, Novel clean regenerative resource instead of traditional coal electric energy, environmental protection, pollution-free, and improve and adopt the electricity consumption of traditional electrical network crowded, and reduce the cost installing long-distance transmission line;
(2) the utility model wind generator system meets industrial and need for electricity that is family expenses by transformer adjustment voltage, achieve the isolation of wind generator system and traditional electrical network, effectively make use of resource, especially in the underdeveloped area of remote electric power, meet need for electricity;
(3) the utility model lays in unnecessary electric energy by storage battery, and by cement resistor, the electric energy that storage battery cannot store is converted to thermal energy consumption and falls, thus protects whole wind generator system.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Embodiment
Below in conjunction with embodiment, the utility model is described in further detail, but execution mode of the present utility model is not limited thereto.
Embodiment 1:
The primary structure of the present embodiment, as shown in Figure 1, a kind of intelligent grid distributed wind-power generator system, this system comprises the wind power generation plant, energy conversion device, control device and the utility grid that connect successively, control device connects rectifier by the first switch, after the alternating current that energy conversion device is changed is converted to direct current by rectifier, connect inverter and transformer respectively, DC inverter is be connected for load supplying after alternating current with load by inverter, is connected after described transformer adjustment voltage with storage battery.In use, the wind power generation plant of native system realizes Wind resource change being mechanical energy, mechanical energy is converted to electric energy, by energy conversion device, the alternating current of the instability of electric energy is converted to galvanic current, galvanic frequency, voltage etc. are adjusted again by control device, realization meets the different needs, control device is by connecting utility grid respectively, inverter and transformer, control device by meeting the delivery of electrical energy of conveying requirement after adjustment to utility grid, can realize the fusion of wind generator system and utility grid, inverter inversion, by inverter, is, after alternating current, be connected with load, is load supplying, meets the electricity consumption requirement of family expenses and industrial power consumption equipment by control device, after unnecessary electric energy is adjusted voltage to required voltage by transformer by control device, be connected with storage battery, by secondary battery protection circuit, electric power is filled with storage battery, when the generated output that wind generator system provides be not enough to independent offered load power time, then having wind energy conversion system and storage battery is jointly load supplying, achieve the isolation of wind generator system and utility grid, as an independent system, meet electricity consumption needed for load, without the need to building power distribution station, and power transmission and distribution loss is very low, reduce or avoid the power transmission and distribution cost that adds, simultaneously simple to operate, compensate for the deficiency of traditional bulk power grid safety and stability, power supply can be continued when there is unexpected storms, become centralized power supply system indispensable supplementary.
Embodiment 2:
The present embodiment is further defined described control device and is connected with utility grid by electrical interface assembly on the basis of embodiment 1, and be also connected with watt-hour meter device between electrical interface assembly and utility grid, current wind generator system and external electrical network are as the access of utility grid, by control device adjustment on-position and capacity, realize the good parallel of electrical interface assembly and utility grid, the complexity that reduction distributed wind-power generator system brings to traditional bulk power grid and uncertainty, ensure that distributed wind-power generator system and utility grid merge the fail safe and economy that the distrbution network that formed runs, also watt-hour meter device is connected with between electrical interface assembly and utility grid, watt-hour meter device is input to the electric energy of utility grid for detecting, and meet the requirement of power transmission electric network, effectively achieve the functioning in parallel of intelligent grid distributed wind-power generator system and utility grid.Other parts of the present embodiment are identical with embodiment 1, repeat no more.
Embodiment 3:
It is wind-driven generator that the present embodiment further defines described wind power generation plant on the basis of above-described embodiment, wind-driven generator comprises wind wheel apparatus, transmission mechanism, generator, automatic control equipment and support steel tower, wind wheel apparatus is the vitals that the kinetic energy of wind is converted to mechanical energy, by the stable wind speed that automatic control equipment adjustment drive mechanism makes wind speed reach required, and connect generator, produce electric energy, support steel tower to be mainly used in supporting wind wheel apparatus, generator, the framework of transmission mechanism, generally build relatively good, be easy to obtain larger and more uniform wind-force, there is enough intensity with height to get rid of the impact that ground obstacle may cause wind speed, this structure operation is simple and generating efficiency is higher, described wind-driven generator adopts vertical axis aerogenerator, vertical axis aerogenerator adds the utilance to space, the blade front face area of impeller unit is made to reach maximum, thus the utilance that improve wind energy is provided, and designs simplification, decrease wind wheel apparatus to gyro power during wind, other parts of the present embodiment are same as the previously described embodiments, repeat no more.
Embodiment 4:
The present embodiment further increases cement resistor on the basis of above-described embodiment; control device is connected with cement resistor by second switch; fall for the electric energy of wind-driven generator is converted to thermal energy consumption; after storage battery is full of; unnecessary electric energy is then consumed by cement resistor; realize the protection to intelligent distributed wind generator system, other parts of the present embodiment are same as the previously described embodiments, repeat no more.
The above; it is only preferred embodiment of the present utility model; not do any pro forma restriction to the utility model, every any simple modification, equivalent variations done above embodiment according to technical spirit of the present utility model, all falls into protection range of the present utility model.
Claims (7)
1. an intelligent grid distributed wind-power generator system, it is characterized in that: this system comprises the wind power generation plant, energy conversion device, control device and the utility grid that connect successively, control device connects rectifier by the first switch, rectifier connects inverter and transformer respectively, inverter is connected with load, is connected after described transformer adjustment voltage with storage battery.
2. a kind of intelligent grid distributed wind-power generator system according to claim 1, is characterized in that: described control device is connected with utility grid by electrical interface assembly.
3. a kind of intelligent grid distributed wind-power generator system according to claim 2, is characterized in that: be also connected with watt-hour meter device between described electrical interface assembly and utility grid.
4. a kind of intelligent grid distributed wind-power generator system according to claim 3, is characterized in that: described wind power generation plant is wind-driven generator.
5. a kind of intelligent grid distributed wind-power generator system according to claim 4, is characterized in that: described wind-driven generator comprises wind wheel apparatus, transmission mechanism, generator, automatic control equipment and supports steel tower.
6. a kind of intelligent grid distributed wind-power generator system according to claim 4 or 5, is characterized in that: described wind-driven generator adopts vertical axis aerogenerator.
7. a kind of intelligent grid distributed wind-power generator system according to claim 6, is characterized in that: described control device connects cement resistor by second switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420217497.8U CN204046189U (en) | 2014-04-30 | 2014-04-30 | A kind of intelligent grid distributed wind-power generator system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420217497.8U CN204046189U (en) | 2014-04-30 | 2014-04-30 | A kind of intelligent grid distributed wind-power generator system |
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| Publication Number | Publication Date |
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| CN204046189U true CN204046189U (en) | 2014-12-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420217497.8U Expired - Fee Related CN204046189U (en) | 2014-04-30 | 2014-04-30 | A kind of intelligent grid distributed wind-power generator system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105375606A (en) * | 2015-12-08 | 2016-03-02 | 福建卓翼能源科技发展有限公司 | Wind-solar complementary power supply method and system |
| CN106877483A (en) * | 2017-03-24 | 2017-06-20 | 武汉朗宇智能科技有限公司 | A kind of electrical energy changer of wind generator system |
| CN110622380A (en) * | 2017-05-23 | 2019-12-27 | 通用电气公司 | Electric power system and subsystem |
-
2014
- 2014-04-30 CN CN201420217497.8U patent/CN204046189U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105375606A (en) * | 2015-12-08 | 2016-03-02 | 福建卓翼能源科技发展有限公司 | Wind-solar complementary power supply method and system |
| CN106877483A (en) * | 2017-03-24 | 2017-06-20 | 武汉朗宇智能科技有限公司 | A kind of electrical energy changer of wind generator system |
| CN110622380A (en) * | 2017-05-23 | 2019-12-27 | 通用电气公司 | Electric power system and subsystem |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141224 Termination date: 20180430 |