JPH0259270U - - Google Patents
Info
- Publication number
- JPH0259270U JPH0259270U JP1988138295U JP13829588U JPH0259270U JP H0259270 U JPH0259270 U JP H0259270U JP 1988138295 U JP1988138295 U JP 1988138295U JP 13829588 U JP13829588 U JP 13829588U JP H0259270 U JPH0259270 U JP H0259270U
- Authority
- JP
- Japan
- Prior art keywords
- detection device
- speed governor
- signal
- phenomenon detection
- racing
- 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.)
- Granted
Links
- 238000001514 detection method Methods 0.000 claims description 10
- 230000001105 regulatory effect Effects 0.000 claims 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 6
- 230000005856 abnormality Effects 0.000 description 1
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
Landscapes
- Control Of Water Turbines (AREA)
Description
第１図は本考案の第１実施例を示すブロツク図
、第２図は第１実施例の各部信号のタイムチヤー
ト、第３図は本考案の第２実施例を示すブロツク
図、第４図は第２実施例の各部信号のタイムチヤ
ート、第５図は従来の調速装置の例を示すブロツ
ク図、第６図は従来の電気ガバナの詳細を示すブ
ロツク図、第７図はレーシング現象の説明図であ
る。
１……電気ガバナ、２……コンバータ、３……
配圧弁、４……油圧サーボモータ、５……コンバ
ータコイル、６……磁石、７……駆動ロツド、８
……ロツド、９……ピストン、１０……ケーシン
グ、１１……発信器、１２……重畳回路、１３…
…レーシング検出装置、１４……コンパレータ、
１５……プリセツトカウンタ、１６……タイマ、
１７……インターバルタイマ、１８……タイマ、
Ｖｖ……調速指令信号、Ｖｐ……２値化パルス信
号、Ｖｅ……異常判別信号、ｔ……判定時間、ｔ
ｉ……インターバルタイム。
Fig. 1 is a block diagram showing the first embodiment of the present invention, Fig. 2 is a time chart of various signals of the first embodiment, Fig. 3 is a block diagram showing the second embodiment of the invention, Fig. 4. 5 is a block diagram showing an example of a conventional speed governor, FIG. 6 is a block diagram showing details of a conventional electric governor, and FIG. 7 is a diagram showing the racing phenomenon. It is an explanatory diagram. 1... Electric governor, 2... Converter, 3...
Pressure distribution valve, 4... Hydraulic servo motor, 5... Converter coil, 6... Magnet, 7... Drive rod, 8
... Rod, 9 ... Piston, 10 ... Casing, 11 ... Transmitter, 12 ... Superimposed circuit, 13 ...
...Racing detection device, 14...Comparator,
15...Preset counter, 16...Timer,
17...Interval timer, 18...Timer,
V v ... Speed governor command signal, V p ... Binarized pulse signal, V e ... Abnormality determination signal, t ... Judgment time, t
i ...Interval time.
Claims (1)
開閉用サーボモータへの圧油の切換えを行う配圧
弁の駆動ロツドに連結され前記調速指令信号に追
従して前記配圧弁を駆動するコンバータと、を備
えた調速装置において、 前記調速信号の周期を予め定められた設定値と
比較することによりレーシング現象を検出するよ
う構成したことを特徴とする調速装置のレーシン
グ現象検出装置。 ２ 実用新案登録請求の範囲第１項記載の調速装
置のレーシング現象検出装置において、前記レー
シング現象検出装置は、前記調速指令信号を２値
化パルス信号に変換する２値化回路と、前記２値
化パルス信号がプリセツト値に達したとき検出信
号を出力するプリセツトカウンタと、を備えて構
成されることを特徴とする調速装置のレーシング
現象検出装置。 ３ 実用新案登録請求の範囲第１項記載の調速装
置のレーシング現象検出装置において、前記レー
シング現象検出装置は、前記調速指令信号を２値
化パルス信号に変換する２値化回路と、前記２値
化パルス信号相互間の時間間隔が予め設定された
値に達したとき検出信号を出力するタイマと、を
備えて構成されることを特徴とする調速装置のレ
ーシング現象検出装置。[Scope of Claim for Utility Model Registration] 1. An electric governor that outputs a speed control command signal and a drive rod for a pressure regulating valve that switches pressure oil to a servo motor for opening and closing the water port, and that follows the speed control command signal. a converter that drives the pressure regulating valve; and a speed governor configured to detect a racing phenomenon by comparing the cycle of the speed governor signal with a predetermined set value. Device lacing phenomenon detection device. 2 Utility Model Registration Scope of Claim 1 In the racing phenomenon detection device for a speed governor as set forth in claim 1, the racing phenomenon detection device includes a binarization circuit that converts the speed governor command signal into a binary pulse signal; 1. A racing phenomenon detection device for a speed governor, comprising: a preset counter that outputs a detection signal when a binary pulse signal reaches a preset value. 3 Utility Model Registration Scope of Claim 1 In the racing phenomenon detection device for a speed governor as set forth in claim 1, the racing phenomenon detection device includes a binarization circuit that converts the speed governor command signal into a binary pulse signal; 1. A racing phenomenon detection device for a speed governor, comprising: a timer that outputs a detection signal when a time interval between binary pulse signals reaches a preset value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988138295U JPH0537020Y2 (en) | 1988-10-24 | 1988-10-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988138295U JPH0537020Y2 (en) | 1988-10-24 | 1988-10-24 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0259270U true JPH0259270U (en) | 1990-04-27 |
| JPH0537020Y2 JPH0537020Y2 (en) | 1993-09-20 |
Family
ID=31400503
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988138295U Expired - Lifetime JPH0537020Y2 (en) | 1988-10-24 | 1988-10-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0537020Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0640379U (en) * | 1992-11-04 | 1994-05-27 | 東芝エンジニアリング株式会社 | Turbine operation control device of regulating pond type hydroelectric power plant |
-
1988
- 1988-10-24 JP JP1988138295U patent/JPH0537020Y2/ja not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0640379U (en) * | 1992-11-04 | 1994-05-27 | 東芝エンジニアリング株式会社 | Turbine operation control device of regulating pond type hydroelectric power plant |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0537020Y2 (en) | 1993-09-20 |
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