CN201577057U - Output control system of wind driven generator - Google Patents
Output control system of wind driven generator Download PDFInfo
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- CN201577057U CN201577057U CN2009202709638U CN200920270963U CN201577057U CN 201577057 U CN201577057 U CN 201577057U CN 2009202709638 U CN2009202709638 U CN 2009202709638U CN 200920270963 U CN200920270963 U CN 200920270963U CN 201577057 U CN201577057 U CN 201577057U
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Abstract
The utility model relates to an output control system of a wind driven generator, which comprises generator three-phase windings, voltage-regulation rectifying circuits and a grid-connected inverter, wherein one three-phase winding is set as one unit; and the output control system of the wind driven generator is provided with two units at least, wherein each unit is provided with one voltage-regulation rectifying circuit, both/all units form a serial or parallel circuit through a relay switch after voltage regulation and rectification, and both/all units are connected with the grid-connected inverter through an output bus after serial connection or parallel connection, and the output bus is provided with a voltage sensor and a current senor, wherein the relay switch, the voltage sensor and the current sensor are connected with a PLC control system. When the output control system is under the state of unstable wind power, the rotation speed of the wind driven generator is also unstable; and when the units are under the state of different outputs, the output control system increases and reduces the output voltage of the generator by serial connection or parallel connection or by adjusting controllable silicon so as to impel the generator to output different power when in high rotation speed and low rotation speed, thus keeping the voltage to be stable and realizing optimum state.
Description
Technical field
The utility model relates to a kind of control system of wind-driven generator, particularly a kind of control system that is used to control the output 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, and, having engendered multistage aerogenerator along with the development of wind-driven generator, the generators at different levels on every typhoon power generator or the every typhoon power generator are all distinguished commutation inversion, complex circuit not only then, and waste electrical equipment original paper, simultaneously, existing generator windings is provided with one group mostly, thereby the in-fighting height that causes greatly of internal resistance, waste 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 output control system of wind-driven generator, comprise generator three phase windings, voltage regulating rectification circuit and combining inverter, one three phase winding is set to a unit, the output control system of described wind-driven generator is provided with two unit at least, each unit is provided with voltage regulating rectification circuit, and each unit is through forming the serial or parallel connection circuit by relay switch after the voltage regulating rectifier, each unit joins by output bus and combining inverter through behind the serial or parallel connection, output bus is provided with voltage, current sensor, wherein relay switch, voltage, current sensor and PLC control system are joined.
Preferably: described output bus is provided with batteries.
Preferably: described voltage regulating rectification circuit is set to the controllable silicon circuit.
Preferably: described voltage regulating rectification circuit is set to the crystal diode circuit.
The beneficial effects of the utility model are: the utility model can be applied to be provided with in the generator situation of a plurality of three phase windings, also can be applicable to a typhoon power generator and be provided with the situation of multistage generator, also can be applicable to many typhoons power generator, applied range, reduce circuit, save resource.In a generator, be provided with a plurality of three phase windings, can reduce the high problem of in-fighting that generator windings causes greatly.The utility model is under the unsettled situation of wind-force size, the rotating speed of wind-driven generator also height is unstable, each unit is under the different situation of output, improve and reduce the output voltage of generator by connection in series-parallel or adjusting controllable silicon, impel generator when the slow-speed of revolution and high rotating speed, the power that output varies in size, sustaining voltage is stable, realizes optimum state.
Description of drawings
Fig. 1 is a principle schematic of the present utility model
Fig. 2 is the utility model PLC control circuit figure
Embodiment
Below in conjunction with description of drawings embodiment of the present utility model:
A kind of output control system of wind-driven generator, comprise generator three phase windings, voltage regulating rectification circuit and combining inverter, one three phase winding is set to a unit, the output control system of described wind-driven generator is provided with two unit at least, each unit is provided with voltage regulating rectification circuit, and each unit is through forming the serial or parallel connection circuit by relay switch after the voltage regulating rectifier, each unit joins by output bus and combining inverter through behind the serial or parallel connection, output bus is provided with voltage, current sensor, wherein relay switch, voltage, current sensor and PLC control system are joined.Described output bus is provided with batteries, can discharge and recharge to combining inverter electric energy is provided.Described voltage regulating rectification circuit is set to the controllable silicon circuit.Described voltage regulating rectification circuit is set to the crystal diode circuit.
As shown in Figure 1, the output control system of wind-driven generator has eight generators, three auspicious windings, eight unit are just arranged, wherein connect behind a unit and the two unit rectifying and wave-filterings, connect behind Unit three and the four unit rectifying and wave-filterings, "+" utmost point of Unit two is connected with the normally-closed contact of "-" utmost point of Unit three by the C1 D.C. contactor, the C1 adhesive, and C2 disconnects."-" utmost point of Unit one is connected by the C2I normally opened contact with "-" utmost point of Unit three.Two unit "+" utmost points and four unit "+" utmost points connect by the C2II normally opened contact.The C2 adhesive, C1 disconnects.The semiconductor diode and the silicon controlled connection in series-parallel pressure regulation of Unit one or two and Unit three or four are finished by C1, the adhesive of C2 D.C. contactor, disconnection in Unit one or two and Unit three or four.Unit five or six and Unit seven or eight are in like manner.Four unit "+" utmost points and five unit "-" utmost points connect by the C5 normally-closed contact, the C5 adhesive, and C6 disconnects."-" utmost point of Unit one and "-" utmost point of Unit five connect by the C6I normally opened contact."+" utmost point of Unit four and "+" utmost point of Unit eight connect by the C6II normally opened contact, the C6 adhesive, and C5 disconnects.By the adhesive and the disconnection of C5, C6 D.C. contactor, finish the connection in series-parallel of the total output of pressure regulation, the galvanic current of output is pressed, and is used for combining inverter online and charge in batteries, inversion output 50HZ alternating current.
During work, by detecting the voltage on the output bus, the numerical value of current sensor, analyze and control the electric shock state of D.C. contactor, thereby control the connection in series-parallel relation between each unit, thereby keep output voltage stabilization by the PLC control system.
Claims (4)
1. the output control system of a wind-driven generator, comprise generator three phase windings, voltage regulating rectification circuit and combining inverter, it is characterized in that: one three phase winding is set to a unit, the output control system of described wind-driven generator is provided with two unit at least, each unit is provided with voltage regulating rectification circuit, and each unit is through forming the serial or parallel connection circuit by relay switch after the voltage regulating rectifier, each unit joins by output bus and combining inverter through behind the serial or parallel connection, output bus is provided with voltage, current sensor, wherein relay switch, voltage, current sensor and PLC control system are joined.
2. the output control system of wind-driven generator as claimed in claim 1, it is characterized in that: described output bus is provided with batteries.
3. the output control system of wind-driven generator as claimed in claim 1, it is characterized in that: described voltage regulating rectification circuit is set to the controllable silicon circuit.
4. the output control system of wind-driven generator as claimed in claim 1, it is characterized in that: described voltage regulating rectification circuit is set to the crystal diode circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202709638U CN201577057U (en) | 2009-12-03 | 2009-12-03 | Output control system of wind driven generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202709638U CN201577057U (en) | 2009-12-03 | 2009-12-03 | Output control system of wind driven generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201577057U true CN201577057U (en) | 2010-09-08 |
Family
ID=42696928
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202709638U Expired - Fee Related CN201577057U (en) | 2009-12-03 | 2009-12-03 | Output control system of wind driven generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201577057U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104320028A (en) * | 2014-10-29 | 2015-01-28 | 南京南瑞继保电气有限公司 | Redundancy configuration system for LCI logic control panels |
-
2009
- 2009-12-03 CN CN2009202709638U patent/CN201577057U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104320028A (en) * | 2014-10-29 | 2015-01-28 | 南京南瑞继保电气有限公司 | Redundancy configuration system for LCI logic control panels |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C57 | Notification of unclear or unknown address | ||
| DD01 | Delivery of document by public notice |
Addressee: Fan Jieyu Document name: Notice of amendment |
|
| 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: 20100908 Termination date: 20171203 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |