JPH0281959A - Device and method for controlling runner vane in movable blade water turbine - Google Patents

Device and method for controlling runner vane in movable blade water turbine

Info

Publication number
JPH0281959A
JPH0281959A JP63234657A JP23465788A JPH0281959A JP H0281959 A JPH0281959 A JP H0281959A JP 63234657 A JP63234657 A JP 63234657A JP 23465788 A JP23465788 A JP 23465788A JP H0281959 A JPH0281959 A JP H0281959A
Authority
JP
Japan
Prior art keywords
water turbine
runner vane
vane
servo motor
runner
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
JP63234657A
Other languages
Japanese (ja)
Inventor
Jiro Ota
太田 二郎
Kazuo Takahashi
和夫 高橋
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP63234657A priority Critical patent/JPH0281959A/en
Publication of JPH0281959A publication Critical patent/JPH0281959A/en
Pending legal-status Critical Current

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Classifications

    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/20Hydro energy

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  • Hydraulic Turbines (AREA)

Abstract

PURPOSE:To facilitate maintenance and inspection further surely performing operation in the time of starting by forming space in the upper part of a generator shaft while arranging in said space an electrically driven servomotor driving a runner vane, power source means and a control means controlling operation of the electrically driven servomotor. CONSTITUTION:An operating power source, supplied from an exciter 16, is converted from AC power into DC power by a changer 12 charging a storage battery 13 with the DC power, and fixed power is always accumulated in the storage battery 13. While a power source from the charger 12 is supplied also to a control unit 14 controlling a servomotor 11 to be electrically driven. When the motor 11 is driven, an operating rod 15 is moved in an upper or bottom direction, and a runner vane 1, connected to a link 2, is actuated opening and closing. Since the motor 11, charger 12, storage battery 13 and the control unit 14 are housed in rotary part space 7A, an advantageous point is obtained in the improvement of performance and the control of maintenance.

Description

【発明の詳細な説明】 〔産業上の利用分野〕 本発明は、電動サーボモータによってランナベーンの開
度を調節する可動翼水車のランナベーン操作装置および
操作方法に関する。
DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a runner vane operating device and operating method for a movable blade water turbine that adjusts the opening degree of the runner vane using an electric servo motor.

〔従来の技術〕[Conventional technology]

従来、可動翼水車のランナベーンは圧油サーボモータに
より操作されていた。圧油サーボモータを用いた例を第
4図に示す。図に示すように、回動自在なランナベーン
1はリンク2を介して圧油サーボモータ3に連結されて
いる。そして、水車発電機4の上部に設置された原曲導
入装置5に圧油配管6より圧油を供給し、その圧油を発
電機軸7および水車軸8内の圧油導入管9を介して、圧
油サーボモータ3に送り込むようになっている。
Conventionally, the runner vanes of movable blade water turbines have been operated by hydraulic servo motors. An example using a pressure oil servo motor is shown in FIG. As shown in the figure, a rotatable runner vane 1 is connected to a pressure oil servo motor 3 via a link 2. Then, pressure oil is supplied from the pressure oil pipe 6 to the original introduction device 5 installed on the upper part of the water turbine generator 4, and the pressure oil is passed through the pressure oil introduction pipe 9 in the generator shaft 7 and the water wheel shaft 8. , the pressure oil is sent to the servo motor 3.

圧油を送り込まれると圧油サーボモータ3は上下方向に
作動し、その作動力はリンク2を介してランナベーン】
へ伝達され、ランナベーン1を開閉させることができる
。水車を起動・停止させたり。
When pressure oil is fed, the pressure oil servo motor 3 operates in the vertical direction, and the operating force is transmitted to the runner vane via the link 2.]
The runner vane 1 can be opened and closed. Starting and stopping water turbines.

または運転中に負荷に応じて流量を変化させたりする際
は、図示していない調速機からの信号により圧油量を調
節することによって、ランナベーンの開度が制御される
ようになっている。
Alternatively, when changing the flow rate according to the load during operation, the opening degree of the runner vane is controlled by adjusting the amount of pressurized oil using a signal from a speed governor (not shown). .

近年、保守の簡素化および油の流下防止の区点から、水
力発電所において圧油をなくす要求が高まってきている
。フランシス水車等では既に電動化が達成され、また第
4図に示す可動翼水車においても、案内羽根10を動か
す操作用サーボモータについては電動化が実現されてい
る。
In recent years, there has been an increasing demand for eliminating pressurized oil in hydroelectric power plants in order to simplify maintenance and prevent oil from flowing down. Electrification has already been achieved in Francis turbines and the like, and also in the movable vane water turbine shown in FIG. 4, electrification has been achieved for the operating servo motor that moves the guide vanes 10.

可動翼水車のランナベーン用サーボモータの電動化を図
ったものとして、実開昭62−11727号公報に示さ
れているように、第4図の圧油サーボモータを電動サー
ボモータに置き換えた、すなわち電動サーボモータをラ
ンナボス内に設置したものが知られている。
As an attempt to electrify the servo motor for the runner vane of a movable blade water turbine, as shown in Japanese Utility Model Application No. 11727/1983, the pressure oil servo motor shown in Fig. 4 was replaced with an electric servo motor, i.e. It is known that an electric servo motor is installed inside the runner boss.

また、特開昭62−63175号公報および特開昭62
−63176号公報に示されているように、発電機軸等
の主軸に電動機を取付けたものもある。
Also, JP-A-62-63175 and JP-A-62
As shown in Japanese Patent No. 63176, there is also one in which an electric motor is attached to a main shaft such as a generator shaft.

〔発明が解決しようとする課題〕[Problem to be solved by the invention]

しかしながら、上記従来技術のうち、電動サーボモータ
をランナボス内に設置したものでは、電動サーボモータ
へ電源を供給するために、固定部と回転部との間にブラ
シ等を介在させなければならず、ブラシが摩耗したとき
は分解して交換する必要がある。また電源供給用のリー
ド線を発電機軸内および水車軸内に引廻したり、電動サ
ーボモータをランナボス内に設置したりすることは、構
造が複雑となり、組立・分解が困難である。さらにラン
ナボス内は湿気が多いため、電動サーボモータのような
電装品を収納するのに適した場所ではない。
However, among the above-mentioned conventional technologies, in those in which the electric servo motor is installed in the runner boss, a brush or the like must be interposed between the fixed part and the rotating part in order to supply power to the electric servo motor. When the brushes become worn, they must be disassembled and replaced. Furthermore, routing lead wires for power supply inside the generator shaft and the water wheel shaft, and installing the electric servo motor inside the runner boss makes the structure complicated and difficult to assemble and disassemble. Furthermore, the interior of the runner boss is humid, making it an inappropriate place to store electrical components such as electric servo motors.

また、主軸に電動機を取付けたものでは、電源および調
速機信号を差動トランス等により供給しなければならず
、複雑な機構を必要とする。また主軸に発電機を設置し
ても、水車起動時には発電機は原動していないので、電
動機に電源が供給されず、ランナベーンの操作ができな
いという問題がある。
Furthermore, in the case where an electric motor is attached to the main shaft, power and governor signals must be supplied by a differential transformer or the like, and a complicated mechanism is required. Furthermore, even if a generator is installed on the main shaft, since the generator is not in motion when the water turbine is started, power is not supplied to the motor and the runner vane cannot be operated.

本発明の目的は、保守点検が容易で、かつ起動時にも確
実に作動する可動翼水車のランナベーン操作装置および
操作方法を提供することである。
An object of the present invention is to provide a runner vane operating device and operating method for a movable blade hydraulic turbine that is easy to maintain and inspect and that operates reliably even during startup.

〔課題を解決するための手段〕[Means to solve the problem]

上記目的を達成するために、本発明は、水車を起動・停
止させる際、あるいは運転中に流量を変化させる際に、
ランナベーンを適正開度に操作する可動翼水車のランナ
ベーン操作装置において。
In order to achieve the above object, the present invention provides the following features: when starting and stopping a water turbine or when changing the flow rate during operation,
In a runner vane operating device for a movable blade hydraulic turbine that operates the runner vane to an appropriate opening.

発電機軸の上部軸内に空間を形成するとともに、該空間
内に、前記ランナベーンを駆動する電動サーボモータと
、前記発電機軸の回転により発電し前記電動サーボモー
タに電力を供給する一方、電力の一部を蓄えておく電源
手段と、前記電動サーボモータの作動を制御する制御手
段とを配設したものである。
A space is formed within the upper shaft of the generator shaft, and within the space there is provided an electric servo motor that drives the runner vane, and an electric servo motor that generates power by rotation of the generator shaft and supplies power to the electric servo motor. The electric servo motor is equipped with a power supply means for storing the electric power, and a control means for controlling the operation of the electric servo motor.

また、本発明は、水車を起動・停止させる際、あるいは
運転中に流量を変化させる際に、ランナベーンを適正開
度に操作する可動翼水車のランナベーン操作装置におい
て、前記ランナベーンを駆動する電動サーボモータを発
電機軸上方の非回転部に設置し、前記ランナベーンに接
続された操作ロンドと前記電動サーボモータとをランナ
操作推力軸受で結合して、前記操作ロッドを軸方向に移
動可能かつ軸回りに回転可能な構成としたものである。
The present invention also provides a runner vane operating device for a movable vane water turbine that operates the runner vane to an appropriate opening degree when starting and stopping the water turbine or when changing the flow rate during operation. is installed in a non-rotating part above the generator shaft, and the operating rod connected to the runner vane and the electric servo motor are coupled by a runner operating thrust bearing, so that the operating rod can be moved in the axial direction and rotated around the axis. This is a possible configuration.

さらに、本発明は、水車を起動・停止させる際、あるい
は運転中に流量を変化させる際に、ランナベーンの開度
を操作して水車発電機の出力を制御する可動翼水車のラ
ンナベーン操作方法において。
Furthermore, the present invention provides a runner vane operating method for a movable vane water turbine, which controls the output of a water turbine generator by manipulating the opening degree of the runner vane when starting and stopping the water turbine or when changing the flow rate during operation.

前記水車発電機の出力と回転速度を回転部より検出し、
この検出値に基づいて前記電動サーボモータを操作して
、前記水車発電機の出力を最高効率に制御するようにし
たことである。
Detecting the output and rotation speed of the water turbine generator from a rotating part,
The electric servo motor is operated based on this detected value to control the output of the water turbine generator to the highest efficiency.

また、本発明は、水車を起動・停止させる際、あるいは
運転中に流量を変化させる際に、ランナベーンの開度を
操作して水車発電機の出力を制御する可動翼水車のラン
ナベーン操作方法において、前記水車発電機の出力と回
転速度を回転部より検出し、この検出値に予め設定され
た水車特性を加味して、その加味した結果に基づいて前
記電動サーボモータを操作し、前記水車発電機の出力を
最高効率に制御するようにしたことである。
The present invention also provides a runner vane operating method for a movable vane water turbine that controls the output of a water turbine generator by manipulating the opening degree of the runner vane when starting and stopping the water turbine or changing the flow rate during operation. The output and rotational speed of the water turbine generator are detected by a rotating part, preset water turbine characteristics are added to the detected values, and the electric servo motor is operated based on the added result, thereby generating the water turbine generator. The aim is to control the output to the highest efficiency.

〔作用〕[Effect]

上記構成によれば、発電機軸が回転すると、電源手段に
よって発′にされ電動サーボモータに電力が供給される
と同時に、電力の一部が蓄電池等に蓄えられる。そして
、電動サーボモータの作動は制御手段により制御される
。このために、非回転部からの電源の供給および制御信
号の供給が不要となる。また、蓄電池等から電動サーボ
モータに電力を供給することもできるので、水車起動時
にもランナベーンを操作することが可能である。
According to the above configuration, when the generator shaft rotates, power is generated by the power source means and power is supplied to the electric servo motor, and at the same time, a portion of the power is stored in a storage battery or the like. The operation of the electric servo motor is controlled by the control means. This eliminates the need to supply power and control signals from the non-rotating portion. Furthermore, since power can be supplied to the electric servo motor from a storage battery or the like, it is possible to operate the runner vane even when the water turbine is started.

また、非回転部に電動サーボモータを設置して、この電
動サーボモータと操作ロンドとをランナ操作推力軸受で
連結すれば、電動サーボモータが作動したとき、操作ロ
ンドを軸方向に移動させ、また発電機軸が回転している
ときは、操作ロンドを自在に回転させることが可能とな
る。
In addition, if an electric servo motor is installed in the non-rotating part and the electric servo motor and the operating rond are connected by a runner operating thrust bearing, when the electric servo motor is activated, the operating rond can be moved in the axial direction. When the generator shaft is rotating, the operating iron can be freely rotated.

〔実施例〕〔Example〕

以下しこ本発明の一実施例を図面に従って説明する。な
お、従来の技術と同一の箇所には同一符号を記し詳細な
説明は省略する。
An embodiment of the present invention will be described below with reference to the drawings. Note that the same parts as in the prior art are denoted by the same reference numerals, and detailed explanations will be omitted.

第1図は本発明に係るランナベーン操作装置の全体構成
を示している。図において′、発電機軸7の上部には空
間7Aが形成され、その空間7Aに電動サーボモータ1
1が設置されている。電動サーボモータ11上方の空間
内には充電器12、蓄電池13および制御装置14が配
設されている。
FIG. 1 shows the overall configuration of a runner vane operating device according to the present invention. In the figure, a space 7A is formed above the generator shaft 7, and an electric servo motor 1 is installed in the space 7A.
1 is installed. A charger 12, a storage battery 13, and a control device 14 are arranged in a space above the electric servo motor 11.

また電動サーボモータ11の駆動端11Aには上下に往
復動自在な操作ロッド15が連結され、この操作ロット
15の他端はリンク2を介してランナベーン1に接続さ
れている。なお、符号16は水車軸7の回転により発電
を行なうエキサイタである。
Further, an operating rod 15 that can freely reciprocate up and down is connected to the drive end 11A of the electric servo motor 11, and the other end of this operating rod 15 is connected to the runner vane 1 via the link 2. Note that the reference numeral 16 is an exciter that generates power by rotating the water wheel shaft 7.

電動サーボモータ11を駆動する装置としては、第2図
に示すように、前記した充電器12、it池13、制御
装置14およびエキサイタ16からなっている。エキサ
イタ16から供給される操作電源は、充′市器12で交
流から直流に変換され、蓄電池13に充電されて、蓄電
池13には常時−定の電力が蓄えられている。また同時
に充電器12からの電源は制御装置14にも供給され、
制御装置14によって電動サーボモータ11が旺動制御
される。そして、電動サーボモータ11が活区動される
と、操作ロッド15が上方向または下方向に移動して、
その移動によってリンク2に接続されたランナベーン1
が開閉動作を行なう。
As shown in FIG. 2, the device for driving the electric servo motor 11 includes the aforementioned charger 12, IT battery 13, control device 14, and exciter 16. The operating power supplied from the exciter 16 is converted from alternating current to direct current by the recharger 12 and charged into the storage battery 13, so that the storage battery 13 stores constant electric power. At the same time, power from the charger 12 is also supplied to the control device 14,
The electric servo motor 11 is actively controlled by the control device 14 . When the electric servo motor 11 is activated, the operating rod 15 moves upward or downward.
Runner vane 1 connected to link 2 by its movement
performs opening and closing operations.

なお、充電器12.蓄電池13およびエキサイタ16は
電源手段を、制御装置16は制御手段をそれぞれ構成し
ている。
Note that the charger 12. The storage battery 13 and the exciter 16 constitute power supply means, and the control device 16 constitutes control means.

また、ランナベーン1の開度制御は、回転部より水車発
電機4の出力あるいは水車発電機4の出力と回転速度を
検出し、この検出結果に基づいて制御装置14が電動サ
ーボモータ1[を駆動して、水車発電機4の出力が最高
効率となるように制御する。さらに、上記制御の要素に
予め設定された水車特性を加味すれば、−層よい制御を
行なうことが可能となる。
The opening degree of the runner vane 1 is controlled by detecting the output of the water turbine generator 4 or the output and rotational speed of the water turbine generator 4 from the rotating part, and based on the detection result, the control device 14 drives the electric servo motor 1. The output of the water turbine generator 4 is controlled to have the highest efficiency. Furthermore, if preset water turbine characteristics are added to the above control elements, it becomes possible to perform even better control.

本実施例によれば、電動サーボモータ11、充電器12
、蓄電池13および制御装置14を回転部である発電機
軸7内の空間7Aに収納しているので、固定部とのイン
ターフェースがシンプルとなり、性能向上および保守管
理の面で大変有利である。
According to this embodiment, the electric servo motor 11 and the charger 12
Since the storage battery 13 and the control device 14 are housed in the space 7A within the generator shaft 7, which is a rotating part, the interface with the fixed part is simple, which is very advantageous in terms of performance improvement and maintenance management.

第3図に本発明の他の実施例を示す。図に示すように、
本実施例では水車発電機4の上部の非回転部に支え21
が設けられ、この支え21に電動サーボモータ11が設
置されている。支え21は、ランナベーン1の操作力の
反力に耐える強度を持っており、また発電機も上記反力
に耐えられる強度を持っている。電動サーボモータ11
と操作ロッド15とはランナ操作推力軸受22を介して
連結され、操作ロッド15はその軸回りに回転可能であ
る。またランナ操作推力軸受22は、支え21に固定さ
れたガイド軸受23により軸方向に摺動自在に支持され
ている。したがって、電動サーボモータが上下方向に作
動すると、ランナ操作推力軸受22を介して操作ロッド
15も上下方向に作動し、ランナベーン1を開閉させる
。また水車軸8および発電機軸7の回転と共に操作ロッ
ド15は回転するが、その回転はランナ操作推力軸受2
2で支持されているので、電動サーボモータ11が回転
してしまうことはない。
FIG. 3 shows another embodiment of the invention. As shown in the figure,
In this embodiment, the support 21 is attached to the upper non-rotating part of the water turbine generator 4.
is provided, and an electric servo motor 11 is installed on this support 21. The support 21 has the strength to withstand the reaction force of the operating force of the runner vane 1, and the generator also has the strength to withstand the reaction force. Electric servo motor 11
and the operating rod 15 are connected via a runner operating thrust bearing 22, and the operating rod 15 is rotatable around its axis. Further, the runner operation thrust bearing 22 is supported by a guide bearing 23 fixed to the support 21 so as to be freely slidable in the axial direction. Therefore, when the electric servo motor operates in the vertical direction, the operating rod 15 also operates in the vertical direction via the runner operation thrust bearing 22, opening and closing the runner vane 1. Further, the operating rod 15 rotates with the rotation of the water wheel shaft 8 and the generator shaft 7, but the rotation is controlled by the runner operating thrust bearing 2.
2, the electric servo motor 11 will not rotate.

本実施例によれば、電動サーボモータ11を水車発電機
4上部の非回転部に8置しているので、電動サーボモー
タ11の電源や制御信号の供給が容易でかつ確実に行な
えるとともに、電動サーボモータ11の分解・組立を行
ない易い。
According to this embodiment, eight electric servo motors 11 are placed in the non-rotating part above the water turbine generator 4, so power and control signals can be easily and reliably supplied to the electric servo motors 11. It is easy to disassemble and assemble the electric servo motor 11.

〔発明の効果〕〔Effect of the invention〕

以上説明したように、本発明によれば、電動サーボモー
タ、電源手段および制御手段を発電(幾軸内に設けたの
で、回転部と固定部とのインターフェースが簡単になり
、信頼性が向上するとともに。
As explained above, according to the present invention, the electric servo motor, the power supply means, and the control means are provided within the power generation (several axes), which simplifies the interface between the rotating part and the fixed part, improving reliability. With.

水車発電機の起動時にもランナベーンを操作することが
可能となる。
It becomes possible to operate the runner vanes even when starting up the water turbine generator.

また、電動サーボモータを水車発電機上部の非回転部に
設けたので、電動サーボモータの保守・点検が容易とな
る。
Furthermore, since the electric servo motor is provided in the non-rotating part above the water turbine generator, maintenance and inspection of the electric servo motor is facilitated.

【図面の簡単な説明】[Brief explanation of the drawing]

第1図は本発明のランナベーン操作装置の縦断面図、第
2図はランナベーンを電動する様子を示すブロック図、
第3図は他の実施例のランナベーン操作装置の縦断面図
、第4図は従来技術のランナベーン操作装置の縦断面図
である。 1・・・ランナベーン、2・・・リンク、4・・水車発
電機、7・・・発電機軸、7A・・空間、8・・・水車
軸、11・・・電動サーボモータ、12・・・充電器、
13・・・蓄電池、14・・・制御装置、15・・・操
作ロッド、16・・・エキサイタ、21・・支え、22
・・・ランナ操作推力軸受、23・・・ガイド軸受。 第1図
FIG. 1 is a longitudinal sectional view of the runner vane operating device of the present invention, and FIG. 2 is a block diagram showing how the runner vane is operated electrically.
FIG. 3 is a longitudinal cross-sectional view of a runner vane operating device according to another embodiment, and FIG. 4 is a longitudinal cross-sectional view of a conventional runner vane operating device. 1... Runner vane, 2... Link, 4... Water turbine generator, 7... Generator shaft, 7A... Space, 8... Water wheel shaft, 11... Electric servo motor, 12... charger,
13... Storage battery, 14... Control device, 15... Operating rod, 16... Exciter, 21... Support, 22
...Runner operation thrust bearing, 23...Guide bearing. Figure 1

Claims (1)

【特許請求の範囲】 1、水車を起動・停止させる際、あるいは運転中に流量
を変化させる際に、ランナベーンを適正開度に操作する
可動翼水車のランナベーン操作装置において、発電機軸
の上部軸内に空間を形成するとともに、該空間内に、前
記ランナベーンを駆動する電動サーボモータと、前記発
電機軸の回転により発電し前記電動サーボモータに電力
を供給する一方、電力の一部を蓄えておく電源手段と、
前記電動サーボモータの作動を制御する制御手段とを配
設したことを特徴とする可動翼水車のランナベーン操作
装置。 2、水車を起動・停止させる際、あるいは運転中に流量
を変化させる際に、ランナベーンを適正開度に操作する
可動翼水車のランナベーン操作装置において、前記ラン
ナベーンを駆動する電動サーボモータを発電機軸上方の
非回転部に設置し、前記ランナベーンに接続された操作
ロッドと前記電動サーボモータとをランナ操作推力軸受
で結合して、前記操作ロッドを軸方向に移動可能かつ軸
回りに回転可能な構成としたことを特徴とする可動翼水
車のランナベーン操作装置。 3、水車を起動・停止させる際、あるいは運転中に流量
を変化させる際に、ランナベーンの開度を操作して水車
発電機の出力を制御する可動翼水車のランナベーン操作
方法において、前記水車発電機の出力と回転速度を回転
部より検出し、この検出値に基づいて前記電動サーボモ
ータを操作して、前記水車発電機の出力を最高効率に制
御することを特徴とする可動翼水車のランナベーン操作
方法。 4、水車を起動・停止させる際、あるいは運転中に流量
を変化させる際に、ランナベーンの開度を操作して水車
発電機の出力を制御する可動翼水車のランナベーン操作
方法において、前記水車発電機の出力と回転速度を回転
部より検出し、この検出値に予め設定された水車特性を
加味して、その加味した結果に基づいて前記電動サーボ
モータを操作し、前記水車発電機の出力を最高効率に制
御することを特徴とする可動翼水車のランナベーン操作
方法。
[Claims] 1. In a runner vane operating device for a movable vane water turbine that operates the runner vane to an appropriate opening degree when starting and stopping the water turbine or when changing the flow rate during operation, an electric servo motor that drives the runner vane, and a power source that generates electricity by rotation of the generator shaft and supplies electric power to the electric servo motor while storing a part of the electric power. means and
A runner vane operating device for a movable blade water turbine, characterized in that a control means for controlling the operation of the electric servo motor is provided. 2. In a runner vane operating device for a movable vane water turbine that operates the runner vane to an appropriate opening degree when starting and stopping the water turbine or changing the flow rate during operation, the electric servo motor that drives the runner vane is connected above the generator shaft. An operating rod installed in a non-rotating part of the runner vane and connected to the runner vane and the electric servo motor are coupled by a runner operating thrust bearing, so that the operating rod is movable in an axial direction and rotatable around the axis. A runner vane operating device for a movable blade water turbine. 3. A method for operating a runner vane of a movable vane water turbine, which controls the output of a water turbine generator by manipulating the opening degree of the runner vane when starting and stopping the water turbine or changing the flow rate during operation. Runner vane operation of a movable vane water turbine, characterized in that the output and rotational speed of the water turbine generator are detected from a rotating part, and the electric servo motor is operated based on the detected values to control the output of the water turbine generator to the highest efficiency. Method. 4. A method for operating a runner vane of a movable vane water turbine in which the output of the water turbine generator is controlled by manipulating the opening degree of the runner vane when starting and stopping the water turbine or changing the flow rate during operation, wherein the water turbine generator The output and rotational speed of the water turbine generator are detected from the rotating part, and preset water turbine characteristics are added to the detected values, and the electric servo motor is operated based on the added results to maximize the output of the water turbine generator. A method for operating a runner vane of a movable blade water turbine characterized by efficient control.
JP63234657A 1988-09-19 1988-09-19 Device and method for controlling runner vane in movable blade water turbine Pending JPH0281959A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP63234657A JPH0281959A (en) 1988-09-19 1988-09-19 Device and method for controlling runner vane in movable blade water turbine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP63234657A JPH0281959A (en) 1988-09-19 1988-09-19 Device and method for controlling runner vane in movable blade water turbine

Publications (1)

Publication Number Publication Date
JPH0281959A true JPH0281959A (en) 1990-03-22

Family

ID=16974442

Family Applications (1)

Application Number Title Priority Date Filing Date
JP63234657A Pending JPH0281959A (en) 1988-09-19 1988-09-19 Device and method for controlling runner vane in movable blade water turbine

Country Status (1)

Country Link
JP (1) JPH0281959A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114593514A (en) * 2020-12-03 2022-06-07 阿自倍尔株式会社 Hydraulic turbine type flow control device

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4873628A (en) * 1971-12-30 1973-10-04
JPS6263175A (en) * 1985-09-13 1987-03-19 Fuji Electric Co Ltd Motor-driven device for runner vane of movable vane water-wheel

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4873628A (en) * 1971-12-30 1973-10-04
JPS6263175A (en) * 1985-09-13 1987-03-19 Fuji Electric Co Ltd Motor-driven device for runner vane of movable vane water-wheel

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114593514A (en) * 2020-12-03 2022-06-07 阿自倍尔株式会社 Hydraulic turbine type flow control device

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