JPS52129852A - Process for controlling cut-off operation of hydraulic machinery - Google Patents

Process for controlling cut-off operation of hydraulic machinery

Info

Publication number
JPS52129852A
JPS52129852A JP4557076A JP4557076A JPS52129852A JP S52129852 A JPS52129852 A JP S52129852A JP 4557076 A JP4557076 A JP 4557076A JP 4557076 A JP4557076 A JP 4557076A JP S52129852 A JPS52129852 A JP S52129852A
Authority
JP
Japan
Prior art keywords
hydraulic machinery
runner
controlling cut
cut
controlling
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
JP4557076A
Other languages
Japanese (ja)
Inventor
Masashige Ogiwara
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 JP4557076A priority Critical patent/JPS52129852A/en
Publication of JPS52129852A publication Critical patent/JPS52129852A/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

Abstract

PURPOSE: To prevent the expansion of the runner due to the temperature rise by forcibly exhausting the water around the runner by a jet pump when the detected temperature near the runner reaches the alowed upper limit.
COPYRIGHT: (C)1977,JPO&Japio
JP4557076A 1976-04-23 1976-04-23 Process for controlling cut-off operation of hydraulic machinery Pending JPS52129852A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4557076A JPS52129852A (en) 1976-04-23 1976-04-23 Process for controlling cut-off operation of hydraulic machinery

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4557076A JPS52129852A (en) 1976-04-23 1976-04-23 Process for controlling cut-off operation of hydraulic machinery

Publications (1)

Publication Number Publication Date
JPS52129852A true JPS52129852A (en) 1977-10-31

Family

ID=12722992

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4557076A Pending JPS52129852A (en) 1976-04-23 1976-04-23 Process for controlling cut-off operation of hydraulic machinery

Country Status (1)

Country Link
JP (1) JPS52129852A (en)

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