JP2559965Y2 - Pelton turbine driving equipment - Google Patents
Pelton turbine driving equipmentInfo
- Publication number
- JP2559965Y2 JP2559965Y2 JP1988132404U JP13240488U JP2559965Y2 JP 2559965 Y2 JP2559965 Y2 JP 2559965Y2 JP 1988132404 U JP1988132404 U JP 1988132404U JP 13240488 U JP13240488 U JP 13240488U JP 2559965 Y2 JP2559965 Y2 JP 2559965Y2
- Authority
- JP
- Japan
- Prior art keywords
- needle
- control unit
- deflector
- output
- command
- 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.)
- Expired - Fee Related
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
- Y02E10/20—Hydro energy
Description
【考案の詳細な説明】 A.産業上の利用分野 本考案は、デフレクタ及びニードル操作が全て電動操
作で、余水路省略の水力発電所にも設置可能なペルトン
水車の運転装置に関するものである。DETAILED DESCRIPTION OF THE INVENTION A. Industrial Field of the Invention The present invention relates to an operation device of a Pelton turbine that can be installed in a hydroelectric power plant without a spillway because all deflectors and needle operations are electrically operated.
B.従来の技術 ペルトン水車では、デフレクタ及びニードルの操作に
油圧操作式を採用するのが一般的である。また、ニード
ルとデフレクタは連動制御とし、ニードルで速度制御を
行っている。B. Prior Art In Pelton turbines, it is common to employ a hydraulically operated type for operating a deflector and a needle. In addition, the needle and the deflector are linked, and the speed is controlled by the needle.
C.考案が解決しようとする課題 ところで、最近の水力発電所は環境問題からオイルレ
ス指向となっており、デフレクタ及びニードルの操作方
式も変更が要求されている。C. Issues to be solved by the invention By the way, recent hydropower plants are oil-less oriented due to environmental problems, and the operation method of the deflector and needle is also required to be changed.
また、最近は、水力発電所の建設コストを低減するた
め、余水路を省略することが検討されている。余水路省
略の場合には、負荷しゃ断時にもニードルは上水槽に流
入する水量に見合ってニードル自身を通して放流する運
転、即ち水調運転を行うと共に、そのままでは水車が過
速してしまうため、デフレクタを全閉又は調速機による
制御により無負荷運転相当開度にする必要がある。Recently, it has been considered to omit a spillway in order to reduce the construction cost of a hydroelectric power plant. If the spillway is omitted, even when the load is cut off, the needle performs an operation of discharging through the needle in accordance with the amount of water flowing into the water tank, that is, a water adjustment operation, and the water turbine overspeeds as it is, so the deflector Needs to be fully closed or the opening equivalent to the no-load operation is controlled by the governor.
このようにニードル水調運転とデフレクタ全閉または
無負荷運転を併用する運転即ち個別制御を行う必要があ
る。As described above, it is necessary to perform an operation that uses both the needle water regulation operation and the deflector fully closed or no-load operation, that is, individual control.
更に、ニードルで速度制御をした場合、ニードル制御
時に水車トルクの変化に時間遅れがあるため、制御動作
が不安定となり易かった。Further, when the speed is controlled by the needle, there is a time delay in the change of the turbine torque at the time of the needle control, so that the control operation tends to be unstable.
本考案の目的は、電動操作式における個別制御が容易
に実現でき、かつニードルによる速度制御、デフレクタ
による速度制御の切り換えが可能なペルトン水車の運転
装置を提供することにある。SUMMARY OF THE INVENTION An object of the present invention is to provide a Pelton turbine operating device capable of easily realizing individual control in an electrically operated type and capable of switching between speed control by a needle and speed control by a deflector.
D.課題を解決するための手段 本考案は、正常運転時の入口弁開、始動、揃速・並
列、水調運転モード及び事故停止モード等の実行機能を
有する統括制御部と、ペルトン水車のデフレクタ及びニ
ードルにそれぞれ電動操作式のサーボとそれらサーボを
駆動するデフレクタ及びニードルサーボ制御部と、前記
デフレクタに対応して水車回転速度信号、調速用設定器
出力、負荷調整用設定器出力に基づき調速制御指令を発
生する調速制御部と、この調速制御部と前記デフレクタ
サーボ制御部との電路に設けられ、正常運転時に前記統
括制御部からの出力に基づきON-OFFされて、前記調速制
御部出力あるいは全閉指令を前記デフレクタサーボ制御
部へ選択送出するデフレクタ動作モード切換スイッチ
と、負荷調整用設定器と開度分配回路とを有し、負荷調
整用設定器の出力を前記統括制御部からの指令によりニ
ードルの開度変更が可能な開度分配回路に入力し、この
開度分配回路の出力に得られる開度指令を前記ニードル
に送出するニードル制御部と、このニードル制御部と前
記ニードルサーボ制御部との電路に設けられ、正常運転
時に前記統括制御部からの出力に基づきON-OFFされて、
前記ニードル制御部出力あるいは全閉指令を、前記ニー
ドルサーボ制御部へ選択送出するニードル動作モード切
換スイッチとを設け、ペルトン水車のデフレクタとニー
ドルをそれぞれ別個に前記各種運転モードに応じて個別
制御することを特徴とするものである。D. Means for Solving the Problems The present invention relates to a general control unit having an execution function such as an inlet valve opening, a start, a uniform speed / parallel, a water regulation operation mode and an accident stop mode during a normal operation, and a Pelton turbine. The deflectors and the needles are electrically operated servos and the deflectors and the needle servo controllers that drive the servos, respectively, and the turbine wheel speed signal, the speed adjuster output, and the load adjustment setter output corresponding to the deflectors. A speed control unit that generates a speed control command, provided on an electric path between the speed control unit and the deflector servo control unit, is turned ON and OFF based on an output from the general control unit during normal operation, and A deflector operation mode changeover switch for selectively transmitting an output of a speed control unit or a fully-closed command to the deflector servo control unit; a load adjustment setting unit and an opening distribution circuit; The output of the setting device is input to an opening distribution circuit capable of changing the opening of the needle according to a command from the general control unit, and an opening command obtained as an output of the opening distribution circuit is sent to the needle. Needle control unit, provided in the electrical path of the needle control unit and the needle servo control unit, ON-OFF based on the output from the general control unit during normal operation,
Providing a needle operation mode changeover switch for selectively transmitting the output of the needle control unit or the fully closed command to the needle servo control unit, and individually controlling the deflector and the needle of the Pelton turbine separately according to the various operation modes. It is characterized by the following.
E.作用 本考案は、余水路を省略するために、負荷遮断時にも
ニードルは上水槽に流入する水量に見合ってニードル自
身を通して放流する運転を行うために水車が過速してし
まう。これを防止するために、ニードル水調運転とデフ
レクタ全閉または無負荷運転を併用する運転（個別制
御）を行う必要がある。そこで、デフレクタはデフレク
タ動作モード切換スイッチにより選択された調速制御部
出力あるいは全閉指令が供給されるデフレクタサーボ制
御部によって制御される。同様に、ニードルはニードル
動作モード切換スイッチにより選択されたニードル制御
部出力あるいは全閉指令が供給されるニードルサーボ制
御部によって制御される。このようにしてペルトン水車
のデフレクタとニードルはそれぞれ別個に各種運転モー
ドに応じて個別制御される。E. Function In the present invention, since the spillway is omitted, even when the load is shut off, the needle performs an operation of discharging through the needle in accordance with the amount of water flowing into the water tank, so that the water turbine is overspeeded. In order to prevent this, it is necessary to perform an operation (individual control) using both the needle water regulation operation and the deflector fully closed or no-load operation. Therefore, the deflector is controlled by the deflector servo control unit to which the output of the speed control unit selected by the deflector operation mode switch or the fully closed command is supplied. Similarly, the needle is controlled by a needle servo control unit to which a needle control unit output selected by a needle operation mode changeover switch or a fully closed command is supplied. In this manner, the deflector and the needle of the Pelton turbine are individually controlled in accordance with various operation modes.
F.実施例 以下、本考案を図面に示す実施例に基づいて詳細に説
明する。F. Embodiment Hereinafter, the present invention will be described in detail based on an embodiment shown in the drawings.
第１図は本考案の一実施例を示すものである。図中、
１は２射形のペルトン水車で、二つのノズルNZ1,NZ2と
デフレクタDFを備えている。ノズルNZ1内のニードルに
はニードルサーボ74N1、ノズルNZ2内のニードルにはニ
ードルサーボ74N2がそれぞれ連結され、デフレクタDFに
はデフレクタサーボ74Dが連結されている。また、水車
１の回転軸に水車回転速度検出器SSGが連結されてい
る。FIG. 1 shows an embodiment of the present invention. In the figure,
Reference numeral 1 denotes a two-shot Pelton turbine, which has two nozzles NZ1 and NZ2 and a deflector DF. The needle in the nozzle NZ1 is connected to a needle servo 74N1, the needle in the nozzle NZ2 is connected to a needle servo 74N2, and the deflector DF is connected to a deflector servo 74D. Further, a turbine rotation speed detector SSG is connected to the rotating shaft of the turbine 1.
２は水圧管、３は上水槽、４はこの上水槽３に設置さ
れた水位検出器、５は統括制御部、６は調速制御部、７
はニードル制御部、８はデフレクタサーボ制御部、９及
び10はニードルサーボ制御部である。前記調速制御部６
は調速用設定器65DM、負荷調整用設定器77DM、制御部C
D、手動−自動切換スイッチS1から構成されている。前
記制御部CDには水車回転速度信号、調速用設定器65DMの
出力及び負荷調整用設定器77DMの出力がそれぞれ入力さ
れ、デフレクタDFに対する調速制御指令を算出してその
算出出力が制御部CDから送出される。前記手動−自動切
換スイッチS1は統括制御部５の切換え指令により常時
（自動時）はOFFになっていて前記調速制御指令を、手
動時はONになって前記負荷調整用設定器77DMの出力を切
り換えて出力するようになっている。2 is a hydraulic pipe, 3 is a water tank, 4 is a water level detector installed in the water tank 3, 5 is a general control unit, 6 is a speed control unit, 7
Is a needle control unit, 8 is a deflector servo control unit, and 9 and 10 are needle servo control units. The speed control unit 6
Is the setting unit 65DM for speed control, 77DM for load adjustment, and control unit C.
D, Manual - and a automatic changeover switch S 1. The control unit CD receives the turbine speed signal, the output of the setting device 65DM for speed adjustment, and the output of the setting device 77DM for load adjustment, calculates a speed control command for the deflector DF, and outputs the calculated output to the control unit. Sent from CD. Said manual - automatic changeover switch S 1 is always the switching command of the central control unit 5 (automatic) is the governor control command have been turned OFF, the manual at the time of the load adjustment setter 77DM the turned ON The output is switched and output.
前記ニードル制御部７は負荷調整用設定器77NM、デフ
レクタ開度対ニードル開度設定回路DNS、連動／個別制
御動作モード切換スイッチSm、開度分配回路Ｄ、ニード
ル手動時設定器70NM1,70NM2、手動−自動切換スイッチS
11,S21より構成されている。It said needle control unit 7 Load adjustment setter 77 nm, the deflector opening pair needle opening setting circuit DNS, interlocked / individual control operation mode switch S m, the opening distribution circuit D, the needle manually setting unit 70NM1,70NM2, Manual-automatic switch S
11, and is configured from S 21.
前記デフレクタ開度対ニードル開度設定回路DNSはデ
フレクタ開度信号及びニードル開度信号を入力し、前記
入力デフレクタ開度信号に応じたニードル開度指令を発
生し、前記入力ニードル開度信号との偏差を出力する。
また、前記連動／個別制御動作モード切換スイッチSmは
統括制御部５の連動／個別制御切換え指令により切り換
わり、連動時はONにて前記デフレクタ開度対ニードル開
度設定回路DNS出力を、個別時はOFFにて前記負荷調整用
設定器77NM出力を選択する。さらに、開度分配回路Ｄは
ノズル１−２射切換スイッチSnoと開度分配用増幅器Ａ
より構成され、統括制御部５の１−２射制御切換え指令
により前記切換スイッチSnoをON-OFFし、増幅器Ａの入
力抵抗値を切り換え、１−２射時の開度変更を行う。前
記手動−自動切換スイッチS11,S21は統括制御部５より
の切換え指令により切り換わり、手動時ONにて前記ニー
ドル手動設定器70NM出力を、自動時OFFにて前記開度分
配回路Ｄ出力を選択する。The deflector opening-to-needle opening setting circuit DNS receives a deflector opening signal and a needle opening signal, generates a needle opening command corresponding to the input deflector opening signal, and generates a needle opening signal corresponding to the input needle opening signal. Output the deviation.
The interlocking / individual control operation mode changeover switch Sm is switched by an interlocking / individual control switching command of the overall control unit 5, and when interlocking, the output of the deflector opening / needle opening setting circuit DNS is individually turned on when interlocking. At this time, the output of the load adjustment setting unit 77NM is selected by turning OFF. Furthermore, the opening degree distribution circuit D is the nozzle 1-2 Iki換switch S no and opening dispensing amplifier A
The changeover switch Sno is turned ON / OFF by a 1-2 shot control switching command of the overall control unit 5, and the input resistance value of the amplifier A is switched to change the opening at the time of 1-2 shot. The manual-automatic changeover switches S 11 and S 21 are switched by a switching command from the general control unit 5, and output the needle manual setting device 70 NM when turned on manually and output the opening distribution circuit D when turned off automatically. Select
S2はデフレクタ動作モード切換スイッチで、このスイ
ッチS2は統括制御部５よりの切換え指令でOFFにてCOM信
号（全閉）を、ONにて、前記調速制御部６の出力を、前
記デフレクタサーボ制御部８へ入力する。また、S12,S
22はニードル動作モード切換スイッチで、この切換スイ
ッチS12,S22は統括制御部５よりの切換え指令でOFFにて
COM信号（全閉）を、ONにて前記ニードル制御部７の出
力を前記ニードルサーボ制御部9,10へ入力する。S 2 is a deflector operating mode switch, the COM signal (fully closed) in OFF the switch S 2 is switched command from the overall control unit 5 at ON, the output of the governor control unit 6, the Input to the deflector servo controller 8. Also, S 12 , S
22 is a needle operation mode switch, the changeover switch S 12, S 22 at OFF in switching command from the overall control unit 5
When the COM signal (fully closed) is turned on, the output of the needle controller 7 is input to the needle servo controllers 9 and 10.
前記デフレクタサーボ制御部８は開度制御部CO1、電
流制御部CC1、インバータINV1、ホールCT（電流検出
器）HCT1により構成され、前記デフレクタ動作モード切
換スイッチS2よりの制御指令とフィードバック信号であ
るデフレクタ開度信号に基づく偏差によりデフレクタサ
ーボを駆動し、デフレクタ開度を決定する。Said deflector servo control unit 8 opening control unit CO1, the current control unit CC1, inverters INV1, is constituted by a Hall CT (current detector) HCT1, is the control command and the feedback signal from the deflector operation mode changeover switch S 2 The deflector servo is driven by the deviation based on the deflector opening signal to determine the deflector opening.
また、ニードルサーボ制御部9,10も上記デフレクタサ
ーボ制御部８と同様に構成され、前記ニードル動作モー
ド切換スイッチS12,S22よりの制御指令とフィードバッ
ク信号であるニードル開度信号に基づく偏差によりニー
ドルサーボを駆動し、ニードル開度を決定する。Further, the needle servo control unit 9, 10 are also configured similarly to the deflector servo control unit 8, the deviation based on the needle opening signal is a control command and the feedback signal from the needle operation mode switch S 12, S 22 The needle servo is driven to determine the needle opening.
前記統括制御部５は第１図に示すように、主機シーケ
ンス、自動再始動シーケンス、自動応水運転シーケン
ス、高効率運転（ノズル切り換え）、水調機能、自動同
期（揃速）、事故停止シーケンスなどの実行機能を備え
ている。そして統括制御部５は前記機能に基づく第３
図、第４図に示すタイムチャート（このタイムチャート
は個別制御用）ような、各種運転モード、即ち入口弁
開、ニードル水調、始動、揃速・並列、水調、負荷しゃ
断、無負荷無励磁、事故防止、手動等の運転モードに応
じて、前記各種切換スイッチへの切換操作指令及び各種
設定器への設定操作指令が送られると、デフレクタとニ
ードルとの連動制御と個別制御の選択及び各種の所要運
転モードが実行され、ペルトン水車１が運転される。As shown in FIG. 1, the overall control unit 5 includes a main engine sequence, an automatic restart sequence, an automatic water-supplying operation sequence, a high-efficiency operation (nozzle switching), a water control function, an automatic synchronization (alignment speed), and an accident stop sequence. It has an execution function such as. And the overall control unit 5 performs the third control based on the function.
Various operation modes such as the time chart shown in FIG. 4 and FIG. 4 (this time chart is for individual control), that is, inlet valve opening, needle water regulation, start, uniform speed / parallel, water regulation, load cutoff, no load Excitation, accident prevention, according to the operation mode of manual, etc., when a switching operation command to the various changeover switches and a setting operation command to various setting devices are sent, selection of interlocking control of the deflector and the needle and individual control, and selection and Various required operation modes are executed, and the Pelton turbine 1 is operated.
ここで、連動／個別制御動作モード切換スイッチSmが
連動／個別制御切換え指令により、図示状態（個別制
御）と逆の状態（連動制御）になると、デフレクタ開度
対ニードル開度設定回路DNSの出力が開度分配回路Ｄを
介してニードルサーボ制御部9,10に供給され、ニードル
はデフレクタ開度に応じた開度に制御される。また、切
換スイッチSmが図示状態の時（個別制御）にはニードル
はデフレクタ開度とは無関係に負荷調整用設定器77NMの
設定値に応じた開度に制御される。Here, when the interlocking / individual control operation mode changeover switch Sm is in a state (interlocking control) opposite to the illustrated state (individual control) by the interlocking / individual control switching command, the deflector opening-to-needle opening setting circuit DNS The output is supplied to the needle servo controllers 9 and 10 via the opening distribution circuit D, and the needle is controlled to an opening corresponding to the deflector opening. Further, when the changeover switch S m is the state shown in (individual control) needle is controlled to the opening degree corresponding to the set value of the independent load adjustment setter 77NM the deflector opening.
なお、個別制御方式専用とする場合は、デフレクタ開
度対ニードル開度設定回路DNSと切換スイッチSmを省略
してもよく、その場合のブロック図を第２図に、調速機
及び入口弁動作タイムチャートを第３図，第４図にそれ
ぞれ示す。When the dedicated control method is used exclusively, the deflector opening / needle opening setting circuit DNS and the changeover switch Sm may be omitted, and a block diagram in that case is shown in FIG. Operation time charts are shown in FIGS. 3 and 4, respectively.
G.考案の効果 以上述べたように、本考案によれば、ペルトン水車の
デフレクタ及びニードルを電動操作式とし、統括制御部
からの出力によりデフレクタ動作モード切換スイッチ
と、ニードル動作モード切換スイッチとをON-OFF制御し
てペルトン水車のデフレクタとニードルをそれぞれ別個
に各種運転モードに応じて個別制御できる利点があり、
しかも、余水路省略の水力発電所にも設置可能となると
ともにオイルレス指向の情勢に対処でき、かつ動作モー
ドの切り換えをアナログスイッチで行うと、制御装置
（ハードウェア）の標準化が容易になる。また、本考案
によれば、開度分配回路を設けることにより、ニードル
の細かい制御が可能となる利点がある。G. Effects of the Invention As described above, according to the present invention, the deflector and the needle of the Pelton turbine are electrically operated, and the deflector operation mode changeover switch and the needle operation mode changeover switch are controlled by the output from the general control unit. There is an advantage that the deflector and the needle of the Pelton turbine can be individually controlled according to various operation modes by ON-OFF control.
In addition, it can be installed in a hydroelectric power plant with no spillway, can cope with the situation of oilless orientation, and if the operation mode is switched by an analog switch, standardization of the control device (hardware) becomes easy. Further, according to the present invention, there is an advantage that fine control of the needle can be performed by providing the opening distribution circuit.
第１図は本考案に係るペルトン水車の運転装置の一実施
例を示すブロック図、第２図〜第４図は本考案の他の実
施例を示すブロック図及びタイムチャートである。 １……ペルトン水車、３……上水槽、５……統括制御
部、６……調速制御部、７……ニードル制御部、８……
デフレクタサーボ制御部、9,10……ニードルサーボ制御
部、Sm……連動／個別制御動作モード切換スイッチ、S2
……デフレクタ動作モード切換スイッチ、S12,S22……
ニードル動作モード切換スイッチ、DNS……デフレクタ
対ニードル開度設定回路。FIG. 1 is a block diagram showing an embodiment of a Pelton turbine operating device according to the present invention, and FIGS. 2 to 4 are a block diagram and a time chart showing another embodiment of the present invention. 1 ... Pelton turbine, 3 ... water tank, 5 ... general control unit, 6 ... speed control unit, 7 ... needle control unit, 8 ...
Deflector servo control unit, 9, 10 ...... needle servo control unit, S m ...... interlocking / individual control operation mode switch, S 2
…… Deflector operation mode switch, S 12 , S 22 ……
Needle operation mode switch, DNS ... Deflector vs. needle opening setting circuit.
Claims (1)
列、水調運転モード及び事故停止モード等の実行機能を
有する統括制御部と、ペルトン水車のデフレクタ及びニ
ードルにそれぞれ電動操作式のサーボとそれらサーボを
駆動するデフレクタ及びニードルサーボ制御部と、前記
デフレクタに対応して水車回転速度信号、調速用設定器
出力、負荷調整用設定器出力に基づき調速制御指令を発
生する調速制御部と、この調速制御部と前記デフレクタ
サーボ制御部との電路に設けられ、正常運転時に前記統
括制御部からの出力に基づきON-OFFされて、前記調速制
御部出力あるいは全閉指令を前記デフレクタサーボ制御
部へ選択送出するデフレクタ動作モード切換スイッチ
と、負荷調整用設定器と開度分配回路とを有し、負荷調
整用設定器の出力を前記統括制御部からの指令によりニ
ードルの開度変更が可能な開度分配回路に入力し、この
開度分配回路の出力に得られる開度指令を前記ニードル
に送出するニードル制御部と、このニードル制御部と前
記ニードルサーボ制御部との電路に設けられ、正常運転
時に前記統括制御部からの出力に基づきON-OFFされて、
前記ニードル制御部出力あるいは全閉指令を、前記ニー
ドルサーボ制御部へ選択送出するニードル動作モード切
換スイッチとを設け、ペルトン水車のデフレクタとニー
ドルをそれぞれ別個に前記各種運転モードに応じて個別
制御することを特徴とするペルトン水車の運転装置。1. An electric control unit having an execution function of an inlet valve opening, starting, uniform speed / parallel operation, a water control operation mode, an accident stop mode, and the like during normal operation, and a deflector and a needle of a Pelton turbine. Servos, a deflector and a needle servo controller for driving the servos, and a regulator for generating a governing control command based on the turbine speed signal, the governor output, and the load adjuster output corresponding to the deflector. A speed control unit, which is provided on an electric path between the speed control unit and the deflector servo control unit, and is turned on and off based on an output from the general control unit during normal operation, and the output of the speed control unit or the fully closed state. A deflector operation mode changeover switch for selectively sending a command to the deflector servo control unit, a load adjustment setting device and an opening distribution circuit, and an output of the load adjustment setting device A needle control unit for inputting an opening degree distribution circuit capable of changing the opening degree of the needle according to a command from the general control unit, and sending an opening degree command obtained as an output of the opening degree distribution circuit to the needle; Provided on the electrical path between the unit and the needle servo control unit, is turned on and off based on the output from the general control unit during normal operation,
Providing a needle operation mode changeover switch for selectively transmitting the output of the needle control unit or the fully closed command to the needle servo control unit, and individually controlling the deflector and the needle of the Pelton turbine separately according to the various operation modes. A driving device for a Pelton turbine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988132404U JP2559965Y2 (en) | 1988-10-11 | 1988-10-11 | Pelton turbine driving equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988132404U JP2559965Y2 (en) | 1988-10-11 | 1988-10-11 | Pelton turbine driving equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0252978U JPH0252978U (en) | 1990-04-17 |
| JP2559965Y2 true JP2559965Y2 (en) | 1998-01-19 |
Family
ID=31389333
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988132404U Expired - Fee Related JP2559965Y2 (en) | 1988-10-11 | 1988-10-11 | Pelton turbine driving equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2559965Y2 (en) |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS581669Y2 (en) * | 1979-08-16 | 1983-01-12 | 株式会社荏原製作所 | Pelton turbine control device |
| JPS59105974A (en) * | 1982-12-10 | 1984-06-19 | Hitachi Ltd | Governor for water turbine |
| JPS6073064A (en) * | 1983-09-29 | 1985-04-25 | Mitsubishi Electric Corp | Needle valve controller for pelton turbine |
| JPS60195384A (en) * | 1984-03-19 | 1985-10-03 | Fuji Electric Co Ltd | Controlling device for pelton wheel power plant |
| JPS6183487A (en) * | 1984-09-29 | 1986-04-28 | Toshiba Corp | Control method for pelton wheel |
| JPS61200381A (en) * | 1985-02-28 | 1986-09-04 | Fuji Electric Co Ltd | Discharge operating method for pelton turbine |
| JPS61234279A (en) * | 1985-04-10 | 1986-10-18 | Mitsubishi Electric Corp | Operation device for pelton water turbine |
| JP2502066B2 (en) * | 1986-05-24 | 1996-05-29 | 株式会社日立製作所 | Electric servo motor for guide vanes |
| JPS63113183A (en) * | 1986-10-31 | 1988-05-18 | Mitsubishi Electric Corp | Control device for pelton turbine operation |
| JPS63212775A (en) * | 1987-02-27 | 1988-09-05 | Toshiba Corp | Control device for pelton turbine |
-
1988
- 1988-10-11 JP JP1988132404U patent/JP2559965Y2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0252978U (en) | 1990-04-17 |
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| LAPS | Cancellation because of no payment of annual fees |