CN201674236U - Wind generator output voltage-stabilization control system - Google Patents
Wind generator output voltage-stabilization control system Download PDFInfo
- Publication number
- CN201674236U CN201674236U CN2010201834648U CN201020183464U CN201674236U CN 201674236 U CN201674236 U CN 201674236U CN 2010201834648 U CN2010201834648 U CN 2010201834648U CN 201020183464 U CN201020183464 U CN 201020183464U CN 201674236 U CN201674236 U CN 201674236U
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- voltage
- output
- control system
- wind
- phase
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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
- Y02E10/72—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
Abstract
The utility model relates to a wind generator output voltage-stabilization control system, comprising a generator three-phase winding, a voltage-stabilization rectification circuit, a grid-connected inverter and an accumulator battery, wherein the voltage-stabilization rectification circuit comprises at least two groups of three-phase rectification bridges and a voltage control system and the input end of the three-phase winding is connected with the output line of the three-phase winding and an adjustment capacitor is arranged between the input ends of the three-phase rectification bridges and the output ends of the three-phase rectification bridges are connected in series and output and the output ends are provided with voltage detection interfaces for detecting the voltage to the voltage control system. The system outputs the constant voltage of the various wind generators at different rotation speeds and the capacitor compresses and outputs different power and then the wind generator rotates to generate the power and the wind energy utilization factor is greatly increased and the failure rate of the wind generator is reduced.
Description
Technical field
The utility model relates to a kind of output voltage control system of wind-driven generator, particularly a kind of control system of controlling the output voltage stabilization of wind-driven generator.
Background technology
Existing wind-driven generator drives the rotation of wind wing mostly by wind-force, producing cutting magnetic line movement between wind wing rotation drive generator amature and the stator generates electricity, yet, under the unsettled situation of wind-force size, the rotating speed of wind-driven generator also height is unstable, thereby, the voltage that produces also height is unstable, need be by exporting behind the commutation inversion, particularly under the situation of wind-driven generator low cruise, normally output voltage, thereby wind energy can not get sufficient utilization, has reduced utilization ratio of wind energy.
The utility model content
The purpose of this utility model is at the deficiencies in the prior art, and a kind of output control system that keeps the stable wind-driven generator of generator output voltage is provided.
The technical solution of the utility model is: a kind of wind-driven generator output voltage stabilizing control system, comprise generator three phase windings, voltage stabilizing rectification circuit and combining inverter, batteries, described voltage stabilizing rectification circuit comprises at least two group three-phase commutation bridge and voltage control systems, wherein, the input of three-phase commutation bridge all joins with the output line of three phase windings, and be provided with control capacittance between the input of three-phase commutation bridge, the output series connection back output of three-phase commutation bridge, output is provided with the voltage detecting interface, and the voltage detecting interface detects voltage to voltage control system.
Preferably: described voltage control system comprises voltage controller, is subjected to solid-state relay SSR1, SSR2 and the unloader of voltage controller control, SSR1 is positioned on the output line of three phase windings, and described unloader inserts the output line of three phase windings by SSR2.
Preferably: described voltage control system comprises the PLC controller, and is subjected to being positioned at solid-state relay on the three phase winding output lines, being positioned at the solid-state relay on the three-phase commutation bridge input of PLC controller control.
Preferably: the output of described three-phase commutation bridge with incorporate high pressure after shunt is connected into and absorb the charging of electric capacity accumulators group or be connected to the grid by combining inverter.
The beneficial effects of the utility model are: the utility model can guarantee that various types of wind-driven generators export constant voltage under different rotating speeds, the power that electric capacity compression output varies in size, the realization wind-driven generator rotates and can generate electricity, improve wind energy utilization greatly, reduced the failure rate of wind-driven generator.
Description of drawings
Fig. 1 is the structural representation of the utility model first embodiment
Fig. 2 is the structural representation of the utility model second embodiment
Embodiment
Below in conjunction with description of drawings embodiment of the present utility model:
First embodiment:
As shown in Figure 1: a kind of small-sized wind power generator output voltage stabilizing control system that is applicable to, comprise generator three phase windings, voltage stabilizing rectification circuit and combining inverter, batteries, described voltage stabilizing rectification circuit comprises four groups of three-phase commutation bridges and voltage control system, wherein, the input of four groups of three-phase commutation bridges all joins with the output line of three phase windings, and be provided with control capacittance C1-C9 between the input of three-phase commutation bridge, the output series connection back output of three-phase commutation bridge, output is provided with the voltage detecting interface and detects 1, and the voltage detecting interface detects 1 and detects voltage to voltage control system.Voltage control system comprises voltage controller, is subjected to solid-state relay SSR1, SSR2 and the unloader of voltage controller control, and SSR1 is positioned on the output line of three phase windings, and described unloader inserts the output line of three phase windings by SSR2.The output of three-phase commutation bridge with incorporate high pressure after shunt is connected into and absorb capacitor C 10-C14, accumulators group charging or be connected to the grid by combining inverter.
When the wind-driven generator rotating speed was lower than rated speed 25%, voltage can improve 4 times and reach rated voltage output, but power reaches 25% of rated power; When the wind-driven generator rotating speed reached rated speed 50%, power reached 50% of rated power; When the wind-driven generator rotating speed reached rated speed 75%, power reached 75% of rated power; When wind-driven generator during in rated speed, output rated power.When charge in batteries finished or generate electricity by way of merging two or more grid systems grid power blackout, detection 1 sent a signal to voltage controller control solid-state relay SSR2 and connects unloader, closes solid-state relay SSR1 assurance generator output normal voltage, makes the generator safe and reliable operation.This circuit is applicable to the small-sized wind power generator group.
Second embodiment:
As shown in Figure 2: a kind of be applicable to medium-sized, large-scale wind driven generator output voltage stabilizing control system, comprise generator three phase windings, voltage stabilizing rectification circuit and combining inverter, batteries, described voltage stabilizing rectification circuit comprises four groups of three-phase commutation bridges and voltage control system, wherein, the input of three-phase commutation bridge all joins with the output line of three phase windings, and be provided with control capacittance C1-C9 between the input of three-phase commutation bridge, the output series connection back output of three-phase commutation bridge, output is provided with the voltage detecting interface and detects 1, and the voltage detecting interface detects voltage to voltage control system.Described voltage control system comprises the PLC controller, and is subjected to being positioned at solid-state relay SSR1 on the three phase winding output lines, being positioned at the solid-state relay SSR2-SSR4 on the three-phase commutation bridge input of PLC controller control.The output of described three-phase commutation bridge with incorporate high pressure after shunt is connected into and absorb the group charging of capacitor C 10-C14 accumulators or be connected to the grid by combining inverter.
When the wind-driven generator rotating speed is lower than rated speed 25%, the whole conductings of solid-state relay, voltage can improve 4 times and reach rated voltage output, but power has only 25% of rated power; When the wind-driven generator rotating speed reached rated speed 50%, solid-state relay SSR2 quit work, and power has only 50% of rated power; When the wind-driven generator rotating speed reached rated speed 75%, solid-state relay SSR2, SSR3 quit work, and power has only 75% of rated power; When wind-driven generator during in rated speed, solid-state relay SSR2, SSR3, SSR4 quit work, output rated power.
Claims (4)
1. a wind-driven generator is exported the voltage stabilizing control system, comprise generator three phase windings, voltage stabilizing rectification circuit and combining inverter, batteries, it is characterized in that: described voltage stabilizing rectification circuit comprises at least two group three-phase commutation bridge and voltage control systems, wherein, the input of three-phase commutation bridge all joins with the output line of three phase windings, and be provided with control capacittance between the input of three-phase commutation bridge, the output series connection back output of three-phase commutation bridge, output is provided with the voltage detecting interface, and the voltage detecting interface detects voltage to voltage control system.
2. wind-driven generator output voltage stabilizing control system as claimed in claim 1, it is characterized in that: described voltage control system comprises voltage controller, is subjected to solid-state relay SSR1, SSR2 and the unloader of voltage controller control, SSR1 is positioned on the output line of three phase windings, and described unloader inserts the output line of three phase windings by SSR2.
3. wind-driven generator output voltage stabilizing control system as claimed in claim 1, it is characterized in that: described voltage control system comprises the PLC controller, and is subjected to being positioned at solid-state relay on the three phase winding output lines, being positioned at the solid-state relay on the three-phase commutation bridge input of PLC controller control.
4. as claim 2 or 3 described wind-driven generators output voltage stabilizing control system, it is characterized in that: the output of described three-phase commutation bridge with incorporate high pressure absorption electric capacity accumulators group after shunt connect into and charge or be connected to the grid by combining inverter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201834648U CN201674236U (en) | 2010-05-10 | 2010-05-10 | Wind generator output voltage-stabilization control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201834648U CN201674236U (en) | 2010-05-10 | 2010-05-10 | Wind generator output voltage-stabilization control system |
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| Publication Number | Publication Date |
|---|---|
| CN201674236U true CN201674236U (en) | 2010-12-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201834648U Expired - Fee Related CN201674236U (en) | 2010-05-10 | 2010-05-10 | Wind generator output voltage-stabilization control system |
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| CN (1) | CN201674236U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102270851A (en) * | 2011-07-18 | 2011-12-07 | 青岛敏深风电科技有限公司 | High efficient and intelligent grid-connected system of wind driven generator |
| CN103457294A (en) * | 2013-09-17 | 2013-12-18 | 济南德明电源设备有限公司 | Grid connected wind driven generator controller and control method thereof |
| CN104753082A (en) * | 2015-03-12 | 2015-07-01 | 华南理工大学 | Flexible high voltage direct current transmission converter topology used for wind power plant grid connection |
| CN104895746A (en) * | 2015-06-05 | 2015-09-09 | 东北电力大学 | Miniature wind power generation and utilization system in tunnel |
-
2010
- 2010-05-10 CN CN2010201834648U patent/CN201674236U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102270851A (en) * | 2011-07-18 | 2011-12-07 | 青岛敏深风电科技有限公司 | High efficient and intelligent grid-connected system of wind driven generator |
| CN103457294A (en) * | 2013-09-17 | 2013-12-18 | 济南德明电源设备有限公司 | Grid connected wind driven generator controller and control method thereof |
| CN104753082A (en) * | 2015-03-12 | 2015-07-01 | 华南理工大学 | Flexible high voltage direct current transmission converter topology used for wind power plant grid connection |
| CN104895746A (en) * | 2015-06-05 | 2015-09-09 | 东北电力大学 | Miniature wind power generation and utilization system in tunnel |
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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 |
Granted publication date: 20101215 Termination date: 20180510 |
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| CF01 | Termination of patent right due to non-payment of annual fee |