JPS53117144A - Hydraulic machinery cut-off operation control method - Google Patents

Hydraulic machinery cut-off operation control method

Info

Publication number
JPS53117144A
JPS53117144A JP3036777A JP3036777A JPS53117144A JP S53117144 A JPS53117144 A JP S53117144A JP 3036777 A JP3036777 A JP 3036777A JP 3036777 A JP3036777 A JP 3036777A JP S53117144 A JPS53117144 A JP S53117144A
Authority
JP
Japan
Prior art keywords
control method
operation control
hydraulic machinery
runner
machinery cut
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
JP3036777A
Other languages
Japanese (ja)
Inventor
Masashige Hagiwara
Masayasu Okada
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 JP3036777A priority Critical patent/JPS53117144A/en
Publication of JPS53117144A publication Critical patent/JPS53117144A/en
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
    • Y02E10/20—Hydro energy

Landscapes

  • Control Of Water Turbines (AREA)

Abstract

PURPOSE: To prevent damage caused by heat expansion of a runner by discharging water around the runner at a point detected when a shaft inputreaches a certain value in the course of runner cut-off operation.
COPYRIGHT: (C)1978,JPO&Japio
JP3036777A 1977-03-22 1977-03-22 Hydraulic machinery cut-off operation control method Pending JPS53117144A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3036777A JPS53117144A (en) 1977-03-22 1977-03-22 Hydraulic machinery cut-off operation control method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3036777A JPS53117144A (en) 1977-03-22 1977-03-22 Hydraulic machinery cut-off operation control method

Publications (1)

Publication Number Publication Date
JPS53117144A true JPS53117144A (en) 1978-10-13

Family

ID=12301884

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3036777A Pending JPS53117144A (en) 1977-03-22 1977-03-22 Hydraulic machinery cut-off operation control method

Country Status (1)

Country Link
JP (1) JPS53117144A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5724453A (en) * 1980-07-17 1982-02-09 Toshiba Corp Water level abnormality detector

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5724453A (en) * 1980-07-17 1982-02-09 Toshiba Corp Water level abnormality detector
JPS6354905B2 (en) * 1980-07-17 1988-10-31 Tokyo Shibaura Electric Co

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