JPH0518206A - Mechanical governor device - Google Patents
Mechanical governor deviceInfo
- Publication number
- JPH0518206A JPH0518206A JP19706791A JP19706791A JPH0518206A JP H0518206 A JPH0518206 A JP H0518206A JP 19706791 A JP19706791 A JP 19706791A JP 19706791 A JP19706791 A JP 19706791A JP H0518206 A JPH0518206 A JP H0518206A
- Authority
- JP
- Japan
- Prior art keywords
- turbine
- mechanical governor
- governor device
- output
- speed
- 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.)
- Withdrawn
Links
Landscapes
- Control Of Turbines (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、蒸気タービンの回転数
や発電機の出力を制御するために使用されるタービンの
機械式ガバナ装置に係り、特にタービンの停止時に、こ
の機械式ガバナ装置の特性をテストできるようにした機
械式ガバナ装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a mechanical governor device for a turbine used to control the rotational speed of a steam turbine and the output of a generator, and more particularly to a mechanical governor device for the turbine when the turbine is stopped. The present invention relates to a mechanical governor device capable of testing characteristics.
【０００２】[0002]
【従来の技術】機械式ガバナ装置は、タービンが電力系
統から切り離されて単独で運転されているいわゆる単独
運転時には、タービンの回転数を制御し、通常の系統併
列運転時には、発電機の出力制御を行うものである。そ
こで、従来の機械式ガバナ装置の系統図を図３に示して
あるので、これにより単独運転時の機械式ガバナ装置の
機能を説明する。2. Description of the Related Art A mechanical governor device controls the rotational speed of a turbine during so-called single operation in which the turbine is separated from the power system and operates independently, and controls the output of a generator during normal parallel operation of the system. Is to do. Therefore, a system diagram of a conventional mechanical governor device is shown in FIG. 3, so that the function of the mechanical governor device in an isolated operation will be described.
【０００３】タービンのロータ１は調速機２にギヤを介
して連結されており、ロータ１の回転により遠心力が働
くため、ロータ１の回転数の変化に応じて調速機２の調
速機心棒３が上下する。調速機心棒３は変速装置４の差
動ピストン下部室５に連絡しており、調速機心棒３が上
下することにより、変速装置４の油圧を変化させて差動
ピストン６を連動させる。また、差動ピストン６にはア
ームを介して油案内弁７が連結されており、この油案内
弁７の動作によって生ずる作動油が、蒸気加減弁油筒８
へ供給されるようになっている。そして、この蒸気加減
弁油筒８のピストン下部室９へ供給される作動油が、油
案内弁７に連動して出し入れされるためピストン１０が
応動し、このピストン１０に連結された蒸気加減弁１１
がその開度を変化させるので、タービンへの蒸気の流入
量が加減され、結果としてタービンの回転数が制御され
ることになる。The rotor 1 of the turbine is connected to the speed governor 2 via a gear, and a centrifugal force acts by the rotation of the rotor 1, so that the speed governor 2 controls the speed according to a change in the rotational speed of the rotor 1. The mandrel 3 moves up and down. The speed governing mandrel 3 communicates with the differential piston lower chamber 5 of the transmission 4. When the speed governing mandrel 3 moves up and down, the hydraulic pressure of the speed changing device 4 is changed to interlock the differential piston 6. An oil guide valve 7 is connected to the differential piston 6 via an arm, and working oil generated by the operation of the oil guide valve 7 is a steam control valve oil cylinder 8
To be supplied to. The hydraulic oil supplied to the piston lower chamber 9 of the steam control valve oil cylinder 8 is moved in and out in conjunction with the oil guide valve 7, so that the piston 10 responds and the steam control valve connected to the piston 10 is operated. 11
Changes its opening degree, so that the amount of steam flowing into the turbine is adjusted, and as a result, the rotational speed of the turbine is controlled.
【０００４】[0004]
【発明が解決しようとする課題】ところで、従来の機械
式ガバナ装置は、タービンの停止中に各部の特性を総合
的に確認することができないという問題があった。すな
わち、機械式ガバナ装置は、タービンロータの回転数信
号を、タービンのロータ１に直結された調速機２から得
ているため、タービンの停止時には、機械式ガバナ装置
は動作せず、その変速装置４、油案内弁７、蒸気加減弁
油筒８やその他のレバー機構などの総合的な特性を確認
することができなかった。そのため、機械式ガバナ装置
の特性を確認しないままタービンを起動させることとな
り、回転数の変動や負荷変動のトラブルを未然に防止す
ることができず、トラブルが発生した場合には、タービ
ンを停止させて解放点検を実施しなければならず、多大
な時間と費用の損失をもたらすこととなっていた。本発
明は、このような問題を解決するために成されたもので
ある。By the way, the conventional mechanical governor device has a problem that the characteristics of each part cannot be comprehensively confirmed while the turbine is stopped. That is, since the mechanical governor device obtains the rotational speed signal of the turbine rotor from the governor 2 directly connected to the rotor 1 of the turbine, when the turbine is stopped, the mechanical governor device does not operate, and the speed change gear It was not possible to confirm the overall characteristics of the device 4, the oil guide valve 7, the steam control valve oil cylinder 8 and other lever mechanisms. Therefore, the turbine is started without checking the characteristics of the mechanical governor device, and it is not possible to prevent troubles such as fluctuations in rotational speed and load fluctuations.When trouble occurs, stop the turbine. Had to be carried out overhauled, which resulted in a great loss of time and money. The present invention has been made to solve such a problem.
【０００５】[0005]
【課題を解決するための手段】この発明は、タービンの
回転軸に連結された調速機の回転数を基にして、タービ
ンの回転数や発電機の出力を制御する変速装置および蒸
気加減弁を有する機械式ガバナ装置において、タービン
の停止時にこの機械式ガバナ装置の蒸気加減弁のリフト
状態を信号として導入し、その状態における発電機の出
力およびタービンの回転数を計算して模擬出力を発生す
るシミュレータと、このシミュレータからの模擬回転数
出力信号を、前記調速機の出力と同等の出力に変換して
前記機械式ガバナ装置の変速装置へ供給する変換手段
と、前記機械式ガバナ装置の各部のリフト状態を信号と
して導入して、基準データと比較する周波数応答分析装
置とを備えたものである。SUMMARY OF THE INVENTION The present invention is directed to a transmission and a steam control valve for controlling the rotational speed of a turbine and the output of a generator based on the rotational speed of a speed governor connected to a rotary shaft of a turbine. In the mechanical governor system with the above, when the turbine is stopped, the lift state of the steam control valve of this mechanical governor system is introduced as a signal, and the output of the generator and turbine speed in that state are calculated to generate simulated output. And a conversion means for converting a simulated rotation speed output signal from the simulator into an output equivalent to the output of the speed governor and supplying it to the transmission of the mechanical governor device, and the mechanical governor device. A frequency response analyzer that introduces the lift state of each part as a signal and compares it with the reference data is provided.
【０００６】[0006]
【作 用】上記の手段によると、タービンの停止中にタ
ービンの運転をシミュレートすることが可能となり、こ
れにより機械式ガバナ装置を模擬運転して、その変速装
置、油案内弁、蒸気加減弁油筒やその他のレバー機構な
どの総合的な特性や制御機能を確認することができる。[Operation] According to the above-mentioned means, it is possible to simulate the operation of the turbine while the turbine is stopped, whereby the mechanical governor device is simulated and the transmission, oil guide valve and steam control valve are operated. You can check the overall characteristics and control functions of the oil cylinder and other lever mechanisms.
【０００７】[0007]
【実施例】以下、本発明に係る機械式ガバナ装置の一実
施例について、図１および図２を参照して詳細に説明す
る。なお、図１において図３と同一部分には同一符号を
附して示してあるので、その部分の説明は省略する。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the mechanical governor device according to the present invention will be described in detail below with reference to FIGS. In FIG. 1, the same parts as those in FIG. 3 are designated by the same reference numerals, and the description thereof will be omitted.
【０００８】図１は、本発明に係る機械式ガバナ装置の
一実施例を示した系統図であり、本発明の機械式ガバナ
装置は従来の装置に対して、シミュレータ２１、ファン
クションゼネレータ２２、電油変換器２３、模擬調速機
２４、周波数応答分析装置２５などが追加されたもので
ある。そして、シミュレータ２１およびファンクション
ゼネレータ２２の一例が図２に示されている。FIG. 1 is a system diagram showing an embodiment of a mechanical governor device according to the present invention. The mechanical governor device of the present invention is different from the conventional device in that it has a simulator 21, a function generator 22 and an electric power source. The oil converter 23, the simulated speed governor 24, the frequency response analyzer 25, etc. are added. An example of the simulator 21 and the function generator 22 is shown in FIG.
【０００９】さて、シミュレータ２１は、機械式ガバナ
装置の蒸気加減弁リフトを入力信号として得ることによ
り、発電機出力およびタービンロータの回転数をリアル
タイムに計算して出力するアナログまたはデジタル計算
機である。そこで、タービンの停止時に、シミュレータ
２１へ蒸気加減弁油筒８に設けたリフト計３１からその
リフトＬ１が入力されると、これを基に計算を行い、模
擬的なロータの回転数信号Ｎおよび発電機出力信号Ｐを
出力する。By the way, the simulator 21 is an analog or digital computer that calculates and outputs the generator output and the turbine rotor speed in real time by obtaining the steam control valve lift of the mechanical governor device as an input signal. Therefore, when the lift L1 is input to the simulator 21 from the lift gauge 31 provided in the steam control valve oil cylinder 8 when the turbine is stopped, calculation is performed based on this and a simulated rotor speed signal N and The generator output signal P is output.
【００１０】そして、単独運転時におけるタービンの回
転数制御の場合、シミュレータ２１からのロータの回転
数信号Ｎは、ファンクションゼネレータ２２に供給され
て回転数に応じたレベルの電気信号に変換され、その電
気信号は電油変換器２３で油圧に変換される。さらにこ
の油圧は模擬調速機２４へ供給されてそのピストン２６
を動作させる。この模擬調速機２４のピストン２６は、
図３に示した調速機２の調速機心棒３と同様に、変速装
置４へ作用するものであり、従って、シミュレータ２１
から得られたロータの模擬回転数に応じて動作する模擬
調速機２４のピストン２６が、変速装置４の油圧を変化
させて、差動ピストン６を応動させることになる。その
後の動作は、既に説明した従来の機械式ガバナ装置と同
様であり、従って、タービンの停止時でも、あたかもタ
ービンが運転中であるかのようにして、機械式ガバナ装
置を動作させ、その特性や制御機能を確認することがで
きる。In the case of controlling the rotational speed of the turbine during the independent operation, the rotational speed signal N of the rotor from the simulator 21 is supplied to the function generator 22 and converted into an electric signal of a level corresponding to the rotational speed. The electric signal is converted into hydraulic pressure by the electric oil converter 23. Further, this hydraulic pressure is supplied to the simulated speed governor 24 and its piston 26
To operate. The piston 26 of this simulated speed governor 24 is
Like the speed governor mandrel 3 of the speed governor 2 shown in FIG. 3, the speed governor 3 acts on the transmission 4. Therefore, the simulator 21
The piston 26 of the simulated speed governor 24, which operates according to the simulated rotation speed of the rotor obtained from the above, changes the hydraulic pressure of the transmission 4 and causes the differential piston 6 to respond. The operation thereafter is similar to that of the conventional mechanical governor device described above, and therefore, even when the turbine is stopped, the mechanical governor device is operated as if the turbine is in operation, and its characteristics are And control functions can be confirmed.
【００１１】なお、変速装置４の差動ピストン６にはリ
フト計３２を設け、同じく変速装置４の追随ピストン１
２にはリフト計３３を、油案内弁７にはリフト計３４を
それぞれ設けて、各々のリフトＬ２、Ｌ３、Ｌ４を得て
いる。そして、これらのリフトＬ２、Ｌ３、Ｌ４の信号
および蒸気加減弁油筒８に設けたリフト計３１からのリ
フトＬ１の信号は、周波数応答分析装置２５へ供給され
る。周波数応答分析装置２５では、入力された信号を基
に、周波数の位相遅れ、波形などを分析するとともに、
正常なデータと比較する。これにより、機械式ガバナ装
置にガバナハンチングなどの不適合が発生した場合に
は、その不適合部位が判別され、タービンの再起動前に
不適合部位の点検を可能にしている。A lift gauge 32 is provided on the differential piston 6 of the transmission 4, and the follower piston 1 of the transmission 4 is also provided.
2 is provided with a lift gauge 33, and the oil guide valve 7 is provided with a lift gauge 34 to obtain respective lifts L2, L3, L4. The signals of the lifts L2, L3, L4 and the signal of the lift L1 from the lift gauge 31 provided on the steam control valve oil cylinder 8 are supplied to the frequency response analyzer 25. The frequency response analyzer 25 analyzes the phase delay of the frequency, the waveform, etc. based on the input signal, and
Compare with normal data. As a result, when the mechanical governor device becomes unsuitable such as governor hunting, the unsuitable part is discriminated and the unsuitable part can be inspected before the turbine is restarted.
【００１２】[0012]
【発明の効果】以上詳述したように本発明によれば、タ
ービンの停止中に機械式ガバナ装置を模擬運転して、そ
の変速装置、油案内弁、蒸気加減弁油筒やその他のレバ
ー機構などの総合的な特性や制御機能を確認することが
できる。従って、タービンの停止時に機械式ガバナ装置
の不適合を発見し、対策することにより、タービン運転
時のトラブルを未然に防止することができ、タービンの
運転、制御の信頼性を向上することができるなど、その
効果は顕著である。As described above in detail, according to the present invention, the mechanical governor device is simulated while the turbine is stopped, and its transmission, oil guide valve, steam control valve oil cylinder, and other lever mechanism are operated. You can check the overall characteristics and control functions such as. Therefore, it is possible to prevent troubles during turbine operation by discovering the nonconformity of the mechanical governor device when the turbine is stopped and taking measures to improve the reliability of turbine operation and control. , Its effect is remarkable.
【図１】本発明に係る機械式ガバナ装置の一実施例を示
した系統図である。FIG. 1 is a system diagram showing an embodiment of a mechanical governor device according to the present invention.
【図２】本発明の機械式ガバナ装置に備えられるシミュ
レータおよびファンクションゼネレータの一例を示した
系統図である。FIG. 2 is a system diagram showing an example of a simulator and a function generator provided in the mechanical governor device of the present invention.
【図３】従来の機械式ガバナ装置を示した系統図であ
る。FIG. 3 is a system diagram showing a conventional mechanical governor device.
４ 変速装置 ７ 油案内弁 ８ 蒸気加減弁油筒 １１ 蒸気加減弁 ２１ シミュレータ ２２ ファンクションゼネレータ ２３ 電油変換器 ２４ 模擬調速機 ２５ 周波数応答分析装置 4 Transmission 7 Oil guide valve 8 Steam control valve Oil cylinder 11 Steam control valve 21 Simulator 22 Function generator 23 Electro-oil converter 24 Simulated speed governor 25 Frequency response analyzer
Claims (1)
転数を基にして、タービンの回転数や発電機の出力を制
御する変速装置および蒸気加減弁を有する機械式ガバナ
装置において、タービンの停止時にこの機械式ガバナ装
置の蒸気加減弁のリフト状態を信号として導入し、その
状態における発電機の出力およびタービンの回転数を計
算して模擬出力を発生するシミュレータと、このシミュ
レータからの模擬回転数出力信号を、前記調速機の出力
と同等の出力に変換して前記機械式ガバナ装置の変速装
置へ供給する変換手段と、前記機械式ガバナ装置の各部
のリフト状態を信号として導入して、基準データと比較
する周波数応答分析装置とを備えた機械式ガバナ装置。Claim: What is claimed is: 1. A transmission and a steam control valve for controlling the rotational speed of a turbine and the output of a generator based on the rotational speed of a speed governor connected to a rotary shaft of a turbine. In a mechanical governor device, a simulator that introduces the lift state of the steam control valve of this mechanical governor device as a signal when the turbine is stopped, calculates the output of the generator and the rotational speed of the turbine in that state, and generates a simulated output. And a conversion means for converting the simulated rotation speed output signal from this simulator to an output equivalent to the output of the speed governor and supplying it to the transmission of the mechanical governor device, and of each part of the mechanical governor device. A mechanical governor device having a frequency response analysis device for introducing a lift state as a signal and comparing it with reference data.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19706791A JPH0518206A (en) | 1991-07-11 | 1991-07-11 | Mechanical governor device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19706791A JPH0518206A (en) | 1991-07-11 | 1991-07-11 | Mechanical governor device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0518206A true JPH0518206A (en) | 1993-01-26 |
Family
ID=16368169
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19706791A Withdrawn JPH0518206A (en) | 1991-07-11 | 1991-07-11 | Mechanical governor device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0518206A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003013706A (en) * | 2001-06-27 | 2003-01-15 | Mitsubishi Heavy Ind Ltd | Power-generating plant verification system |
| KR100498144B1 (en) * | 1997-08-20 | 2005-09-20 | 삼성에스디에스 주식회사 | A driving apparatus of simulating governor control panel |
| JP2013048541A (en) * | 2011-07-12 | 2013-03-07 | General Electric Co <Ge> | Systems and devices for controlling power generation |
| CN114658557A (en) * | 2022-03-28 | 2022-06-24 | 重庆红江机械有限责任公司 | Diesel engine analog electrohydraulic speed regulator control module |
-
1991
- 1991-07-11 JP JP19706791A patent/JPH0518206A/en not_active Withdrawn
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100498144B1 (en) * | 1997-08-20 | 2005-09-20 | 삼성에스디에스 주식회사 | A driving apparatus of simulating governor control panel |
| JP2003013706A (en) * | 2001-06-27 | 2003-01-15 | Mitsubishi Heavy Ind Ltd | Power-generating plant verification system |
| JP4647842B2 (en) * | 2001-06-27 | 2011-03-09 | 三菱重工業株式会社 | Power plant verification system |
| JP2013048541A (en) * | 2011-07-12 | 2013-03-07 | General Electric Co <Ge> | Systems and devices for controlling power generation |
| CN114658557A (en) * | 2022-03-28 | 2022-06-24 | 重庆红江机械有限责任公司 | Diesel engine analog electrohydraulic speed regulator control module |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A300 | Withdrawal of application because of no request for examination |
Free format text: JAPANESE INTERMEDIATE CODE: A300 Effective date: 19981008 |