GR1007451B - Method for controlling the power of stall regulated variable speed wind turbines. - Google Patents

Method for controlling the power of stall regulated variable speed wind turbines.

Info

Publication number
GR1007451B
GR1007451B GR20100100737A GR20100100737A GR1007451B GR 1007451 B GR1007451 B GR 1007451B GR 20100100737 A GR20100100737 A GR 20100100737A GR 20100100737 A GR20100100737 A GR 20100100737A GR 1007451 B GR1007451 B GR 1007451B
Authority
GR
Greece
Prior art keywords
power
variable speed
wind turbines
regulated variable
controlling
Prior art date
Application number
GR20100100737A
Other languages
Greek (el)
Inventor
Δημητριος Χρηστου Μπουρλης
Original Assignee
Δημητριος Χρηστου Μπουρλης
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Δημητριος Χρηστου Μπουρλης filed Critical Δημητριος Χρηστου Μπουρλης
Priority to GR20100100737A priority Critical patent/GR1007451B/en
Publication of GR1007451B publication Critical patent/GR1007451B/en

Links

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
    • F03D—WIND MOTORS
    • F03D7/00—Controlling wind motors 
    • F03D7/02—Controlling wind motors  the wind motors having rotation axis substantially parallel to the air flow entering the rotor
    • F03D7/04—Automatic control; Regulation
    • F03D7/042—Automatic control; Regulation by means of an electrical or electronic controller
    • 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
    • F03D—WIND MOTORS
    • F03D7/00—Controlling wind motors 
    • F03D7/02—Controlling wind motors  the wind motors having rotation axis substantially parallel to the air flow entering the rotor
    • 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
    • F03D—WIND MOTORS
    • F03D7/00—Controlling wind motors 
    • F03D7/02—Controlling wind motors  the wind motors having rotation axis substantially parallel to the air flow entering the rotor
    • F03D7/0256—Stall control
    • 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
    • F03D—WIND MOTORS
    • F03D7/00—Controlling wind motors 
    • F03D7/02—Controlling wind motors  the wind motors having rotation axis substantially parallel to the air flow entering the rotor
    • F03D7/028—Controlling wind motors  the wind motors having rotation axis substantially parallel to the air flow entering the rotor controlling wind motor output power
    • 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
    • F03D—WIND MOTORS
    • F03D7/00—Controlling wind motors 
    • F03D7/02—Controlling wind motors  the wind motors having rotation axis substantially parallel to the air flow entering the rotor
    • F03D7/04—Automatic control; Regulation
    • 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
    • F05B2270/00—Control
    • F05B2270/10—Purpose of the control system
    • F05B2270/1016—Purpose of the control system in variable speed operation
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Wind Motors (AREA)

Abstract

The invention relates to a method for controlling the power of stall regulated variable speed wind turbines. By the power control method described herein, an effective solution for automatic power control in stall regulated variable speed wind turbines is given. The proposed method has been test in laboratory as effective. The proposed method is based on a controlled decrease in the rotation speed of the wind turbine rotor, so that its aerodynamic yield is controllably reduced. The proposed method provides an effective power control with step changes in the rotational speed of the wind turbine based on the time period when the power exceeds specific levels. The method may be realized as real-time algorithm which can be executed by commercially available processors.
GR20100100737A 2010-12-23 2010-12-23 Method for controlling the power of stall regulated variable speed wind turbines. GR1007451B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GR20100100737A GR1007451B (en) 2010-12-23 2010-12-23 Method for controlling the power of stall regulated variable speed wind turbines.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GR20100100737A GR1007451B (en) 2010-12-23 2010-12-23 Method for controlling the power of stall regulated variable speed wind turbines.

Publications (1)

Publication Number Publication Date
GR1007451B true GR1007451B (en) 2011-11-07

Family

ID=44318080

Family Applications (1)

Application Number Title Priority Date Filing Date
GR20100100737A GR1007451B (en) 2010-12-23 2010-12-23 Method for controlling the power of stall regulated variable speed wind turbines.

Country Status (1)

Country Link
GR (1) GR1007451B (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5155375A (en) * 1991-09-19 1992-10-13 U.S. Windpower, Inc. Speed control system for a variable speed wind turbine
US20030185665A1 (en) * 2000-03-08 2003-10-02 Hansen Lars H. Method of operating a turbine

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5155375A (en) * 1991-09-19 1992-10-13 U.S. Windpower, Inc. Speed control system for a variable speed wind turbine
US20030185665A1 (en) * 2000-03-08 2003-10-02 Hansen Lars H. Method of operating a turbine

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
BOUKHEZZAR B ET AL: "Nonlinear Control of Variable Speed Wind Turbines without wind speed measurement", DECISION AND CONTROL, 2005 AND 2005 EUROPEAN CONTROL CONFERENCE. CDC-E CC '05. 44TH IEEE CONFERENCE ON SEVILLE, SPAIN 12-15 DEC. 2005, PISCATAWAY, NJ, USA,IEEE, 12 December 2005 (2005-12-12), pages 3456 - 3461, XP010884229, ISBN: 978-0-7803-9567-1 *

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Legal Events

Date Code Title Description
PG Patent granted

Effective date: 20120117

ML Lapse due to non-payment of fees

Effective date: 20150722