JPH02157483A - 風力発電装置 - Google Patents

風力発電装置

Info

Publication number
JPH02157483A
JPH02157483A JP63307762A JP30776288A JPH02157483A JP H02157483 A JPH02157483 A JP H02157483A JP 63307762 A JP63307762 A JP 63307762A JP 30776288 A JP30776288 A JP 30776288A JP H02157483 A JPH02157483 A JP H02157483A
Authority
JP
Japan
Prior art keywords
continuously variable
variable transmission
input shaft
output shaft
generator
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
JP63307762A
Other languages
English (en)
Inventor
Takashi Machida
尚 町田
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NSK Ltd
Original Assignee
NSK Ltd
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 NSK Ltd filed Critical NSK Ltd
Priority to JP63307762A priority Critical patent/JPH02157483A/ja
Publication of JPH02157483A publication Critical patent/JPH02157483A/ja
Pending legal-status Critical Current

Links

Classifications

    • 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

  • Control Of Transmission Device (AREA)
  • Wind Motors (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。

Description

【発明の詳細な説明】 (産業上の利用分野) この発明は、風の力を利用して発電を行なう風力発電装
置の改良に関し、風速の変化に拘らず常に一定速度で発
電機を回転させる事により、効率の良い発電を行なえる
様にするものである。
(従来の技術) 離島や山間部或は砂漠地帯等、送電線を引くのが困難な
場所、或は海岸地帯等、常に強い風が吹いている場所で
電力を確保する為、風の運動エネルギを利用して発電を
行なう風力発電装置が研究されており、一部で実施され
ている。
風力発電装置は、風の力で例えばプロペラの如きロータ
を回転させ、このロータの中心を結合した回転軸により
、発電機を回転駆動するものである。
この様な風力発電装置の場合、風速が変化すると、ロー
タにより回転させられる回転軸の回転数も変化し、それ
に伴なって発電機の回転数も変化し、取り出される電流
の電圧や周波数が適正範囲から外れてしまう。
この様に、発電機から送り出される電流の電圧や周波数
が適正範囲から外れた場合、この発電機から送電される
各種電気機器が作動不良を起したり、或は故障したりす
る原因となる。
この為従来から、例えば特開昭57−208849号公
報に開示されている様に、ロータの回転数に応じて発電
機から電気を取り出す為の電気回路を切り換える様にし
たり、或は特開昭61−112780号公報に開示され
ている様に、風速に応じてロータプレードのピッチを変
換自在とし、風速の変化に拘らず、発電機を常に一定の
速度範囲で回転させる様にしていた。
(発明が解決しようとする課題) ζころが、上述の様な従来の風力発電装置の場合、何れ
の構造に於いても、風速変化に拘らず一定範囲の電圧や
周波数を得る為の構造が複雑となり、風力発電装置の製
作費を高くするだけでなく、風速が激しく変化した場合
の追従性(レスポンス)が必ずしも良好とは言えず、急
激に風速が変化した場合、−時的に許容範囲から外れた
電圧や周波数が送り出される場合があった。
本発明の風力発電装置は、上述の様な不都合を解消する
ものである。
(課題を解決する為の手段) 本発明の風力発電装置は、風を受けて回転するロータと
、このロータを人力軸の端部゛に結合した無段変速機と
、この無段変速機の出力軸により回転駆動される発電機
と、上記入力軸の回転数を検出する回転センサと、回転
センサから送り込まれる信号に基づいて上記無段変速機
の変速比を変化させる制御器とから構成されている。
そしてこの制御器は、入力軸の回転数変化に拘らず、出
力軸の回転数を一定範囲内に保つ様に、上記変速比を調
節する。
(作  用) 上述の様に構成される本発明の風力発電装置の場合、風
速の変化に伴なってロータに結合された入力軸の回転数
が変化した場合でも、これに伴なって制御器が無段変速
機の変速比を変化させる為、出力軸による発電機の回転
数は常に一定範囲内となり、この発電機から送り出され
る電流の電圧や周波数が大きく変動する事がなくなる。
(実施例) 次に、図示の実施例を説明しつつ、本発明を更に詳しく
説明する。
図面に於いて1は、風を受けて回転するプロペラ型のロ
ータ、2はトロイダル型の無段変速機で、このロータ1
の中心と無段変速機2の入力軸3とは、直接、或は適当
な動力伝達機構を介して結合している。トロイダル型の
無段変速機2は、入力軸3に固定の部分に形成した入力
側凹面10と、出力軸4に固定の歯車11と噛合する歯
車12に固定の部分に形成した出力側凹面13とに密接
する転動pJ14を枢支した軸15の傾斜角度を変える
事で、人力軸3と出力軸4との間の変速比を変えるもの
であるが、この様な無段変速機2自体は、従来から知ら
れたものである為、詳しい説明は省略する。
一方、この無段変速機2の出力軸4は発電機5の入力軸
に結合して、この出力軸4の回転に件なって、発電機5
を回転駆動する様にしている。
6は、上記入力軸3の近傍、又はこの入力軸3とロータ
1との間の動力伝達機構の近傍に設けた第一の回転セン
サで、この第一の回転センサ6により、無段変速機2の
入力軸3側の回転数を検出自在としている。
又7は、上記無段変速機2の出力軸4、或は発電機5の
入力軸の近傍に設けた第二の回転センサで、この第二の
回転センサ7により、無段変速機2の出力軸4側の回転
数を検出自在としている。
そして、上記第一、第二の回転センサ6.7が検出した
、入力@3及び出力軸4の回転数を表わす信号は、無段
変速機2の変速制御機構8を制御する為の制御器9に入
力している。
そしてこの制御器9は、上記両回転センサ6.7から送
り込まれる信号に基づいて上記変速制御機構8を制御し
、この制御機構8により無段変速機2の変速比を変化さ
せ(軸15の傾斜角度を変化させ)、入力′@3の回転
数変化に拘らず出力軸4の回転数がほぼ一定範囲内に保
たれる様に、上記無段変速機2の変速比を調節する。
上述の様に構成される本発明の風力発電装置の場合、風
速の変化により、ロータ1を結合した入力軸36回転数
が変化した場合でも、これに伴なって制御器9が変速制
御機構8に信号を送り、この制御機構8が無段変速機2
の変速比を変化させる為、出力軸4による発電機5の回
転数は常、に一定となり、この発電機5から送り出され
る電流の電圧や周波数が大きく変動する事がなくなる。
即ち、例えば風速が大きく(速く)、ロータ1に結合さ
れた入力軸3の回転数が高い場合には、無段変速機2の
変速比を大きく(無段変速機2が減速する場合、無段変
速機2が増速する場合には、変速比を小さくする。)シ
て、入力軸3が高回転するにも拘らず、出力軸4の回転
数が高くなり過ぎない様にする。
反対に、風速が小さく(遅く)ロータ1により入力軸3
の回転数が低い場合には、無段変速機2の変速比を小さ
く(無段変速機2が減速する場合。無段変速機2が増速
する場合には、変速比を大きくする。)シて、入力軸3
の回転が低くても、出力軸4の回転数が発電する為に十
分になる様にする。
尚、上述の実施例の場合、無段変速機2の入力軸3の回
転数を検出する第一の回転センサ6だけでなく、出力軸
4の回転数を検出する第二の回転センサ7を設けている
が、出力軸4に要求される回転数は、上述の様に一定範
囲内であり、入力軸3の回転数が解れば、これから出力
軸4の回転数を一定範囲内に収める為の変速比が求めら
れる為、この一定範囲を表わす値を予め制御器9に記憶
させておけば、上記第二の回転センサ7を省略する事も
出来る。但しこの場合でも、第二の回転センサ7を設け
ておけば、制御器9の制御が適正に行なわれているか否
かの確認をする事が出来る。
又、無断変速機2としても、図示のトロイダル型(CV
T)の他、ベルト・プーリ型、テーバころ型等、従来か
ら知られている各種構造の無段変速機を使用する事が出
来る。
(発明の効果) 本発明の風力発電装置は、以上に述べた通り構成され作
用する為、風速の変化に拘らず電圧や周波数を一定範囲
内に収められる風力発電装置を、比較的簡単な構造で安
価に製作出来、しかも風速が急激に変化する場合にも、
これに迅速に追従し、−時的な電圧や周波数の上昇や低
下を抑える事が出来る。
【図面の簡単な説明】
図面は、本発明の実施例を示す略側面図である。 1:ロータ、2:無段変速機、3:入力軸、4:出力軸
、5:発電機、6:第一の回転センサ、7:第二の回転
センサ、8:変速制御機構、9:制御器、10:入力側
凹面、11、!2:歯車、13;出力側凹面、14:転
勤環、15:軸。

Claims (2)

    【特許請求の範囲】
  1. (1)風を受けて回転するロータと、このロータを入力
    軸の端部に結合した無段変速機と、この無段変速機の出
    力軸により回転駆動される発電機と、上記入力軸の回転
    数を検出する回転センサと、回転センサから送り込まれ
    る信号に基づいて上記無段変速機の変速比を変化させる
    制御器とから成り、この制御器は、入力軸の回転数変化
    に拘らず出力軸の回転数を一定範囲内に保つ様に、上記
    変速比を調節する風力発電装置。
  2. (2)入力軸の回転数を検出する回転センサに加え、出
    力軸の回転数を検出する第二の回転センサを設けて、こ
    の第二の回転センサが検出する出力軸の回転数を表わす
    信号を、入力軸の回転数を表わす信号と共に制御器に入
    力する、請求項1に記載された風力発電装置。
JP63307762A 1988-12-07 1988-12-07 風力発電装置 Pending JPH02157483A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP63307762A JPH02157483A (ja) 1988-12-07 1988-12-07 風力発電装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP63307762A JPH02157483A (ja) 1988-12-07 1988-12-07 風力発電装置

Publications (1)

Publication Number Publication Date
JPH02157483A true JPH02157483A (ja) 1990-06-18

Family

ID=17972969

Family Applications (1)

Application Number Title Priority Date Filing Date
JP63307762A Pending JPH02157483A (ja) 1988-12-07 1988-12-07 風力発電装置

Country Status (1)

Country Link
JP (1) JPH02157483A (ja)

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US6312358B1 (en) 1999-05-21 2001-11-06 Advanced Technology Institute Of Commuter-Helicopter, Ltd. Constant speed drive apparatus for aircraft generator and traction speed change apparatus
US7074007B2 (en) * 1997-09-02 2006-07-11 Fallbrook Technologies Inc. Continuously variable transmission
US7131930B2 (en) 2001-04-26 2006-11-07 Fallbrook Technologies Inc. Continuously variable transmission
KR100646127B1 (ko) * 2005-08-26 2006-11-23 김수덕 풍력 발전기
US7166056B2 (en) 2003-02-28 2007-01-23 Fallbrook Technologies Inc. Continuously variable transmission
US7166052B2 (en) 2003-08-11 2007-01-23 Fallbrook Technologies Inc. Continuously variable planetary gear set
US7214159B2 (en) 2003-08-11 2007-05-08 Fallbrook Technologies Inc. Continuously variable planetary gear set
US7455617B2 (en) 2004-07-21 2008-11-25 Fallbrook Technologies Inc. Rolling traction planetary drive
US7600771B2 (en) 2006-05-11 2009-10-13 Catadon Systems Llc Continuously variable drivetrain
US7600963B2 (en) 2005-08-22 2009-10-13 Viryd Technologies Inc. Fluid energy converter
US7632203B2 (en) 2005-10-28 2009-12-15 Fallbrook Technologies Inc. Electromotive drives
US8845485B2 (en) 2011-04-04 2014-09-30 Fallbrook Intellectual Property Company Llc Auxiliary power unit having a continuously variable transmission
US8852050B2 (en) 2008-08-26 2014-10-07 Fallbrook Intellectual Property Company Llc Continuously variable transmission
US8870711B2 (en) 2008-10-14 2014-10-28 Fallbrook Intellectual Property Company Llc Continuously variable transmission
US8888643B2 (en) 2010-11-10 2014-11-18 Fallbrook Intellectual Property Company Llc Continuously variable transmission
US8900085B2 (en) 2007-07-05 2014-12-02 Fallbrook Intellectual Property Company Llc Continuously variable transmission
US8920285B2 (en) 2004-10-05 2014-12-30 Fallbrook Intellectual Property Company Llc Continuously variable transmission
US8996263B2 (en) 2007-11-16 2015-03-31 Fallbrook Intellectual Property Company Llc Controller for variable transmission
US9017207B2 (en) 2006-06-26 2015-04-28 Fallbrook Intellectual Property Company Llc Continuously variable transmission
US9074674B2 (en) 2008-06-23 2015-07-07 Fallbrook Intellectual Property Company Llc Continuously variable transmission
US9086145B2 (en) 2006-11-08 2015-07-21 Fallbrook Intellectual Property Company Llc Clamping force generator
US9121464B2 (en) 2005-12-09 2015-09-01 Fallbrook Intellectual Property Company Llc Continuously variable transmission
US9182018B2 (en) 2008-02-29 2015-11-10 Fallbrook Intellectual Property Company Llc Continuously and/or infinitely variable transmissions and methods therefor
US9239099B2 (en) 2007-02-16 2016-01-19 Fallbrook Intellectual Property Company Llc Infinitely variable transmissions, continuously variable transmissions, methods, assemblies, subassemblies, and components therefor
US9249880B2 (en) 2007-12-21 2016-02-02 Fallbrook Intellectual Property Company Llc Automatic transmissions and methods therefor
US9273760B2 (en) 2007-04-24 2016-03-01 Fallbrook Intellectual Property Company Llc Electric traction drives
US9279482B2 (en) 2009-04-16 2016-03-08 Fallbrook Intellectual Property Company Llc Continuously variable transmission
US9328807B2 (en) 2007-02-01 2016-05-03 Fallbrook Intellectual Property Company Llc Systems and methods for control of transmission and/or prime mover
US9341246B2 (en) 2005-11-22 2016-05-17 Fallbrook Intellectual Property Company Llc Continuously variable transmission
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JPS5490426A (en) * 1977-12-28 1979-07-18 Motohisa Hirose Apparatus for obtaining stable dc power exploiting wind force* wave force* tidal force and natural flow force of rivers
JPS62129578A (ja) * 1985-11-28 1987-06-11 Ishikawajima Harima Heavy Ind Co Ltd 風力発電装置

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5490426A (en) * 1977-12-28 1979-07-18 Motohisa Hirose Apparatus for obtaining stable dc power exploiting wind force* wave force* tidal force and natural flow force of rivers
JPS62129578A (ja) * 1985-11-28 1987-06-11 Ishikawajima Harima Heavy Ind Co Ltd 風力発電装置

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US7320660B2 (en) 1997-09-02 2008-01-22 Fallbrook Technologies Inc. Continuously variable transmission
US6312358B1 (en) 1999-05-21 2001-11-06 Advanced Technology Institute Of Commuter-Helicopter, Ltd. Constant speed drive apparatus for aircraft generator and traction speed change apparatus
US7166057B2 (en) 2001-04-26 2007-01-23 Fallbrook Technologies Inc. Continuously variable transmission
US7175566B2 (en) 2001-04-26 2007-02-13 Fallbrook Technologies Inc. Continuously variable transmission
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US7462127B2 (en) 2001-04-26 2008-12-09 Fallbrook Technologies Inc. Continuously variable transmission
US7147586B2 (en) 2001-04-26 2006-12-12 Fallbrook Technologies Inc. Continuously variable transmission
US7131930B2 (en) 2001-04-26 2006-11-07 Fallbrook Technologies Inc. Continuously variable transmission
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