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JPS5392057A - Idling operation method of hydraulic machinery and its apparatus - Google Patents

Idling operation method of hydraulic machinery and its apparatus

Info

Publication number
JPS5392057A
JPS5392057A JP496877A JP496877A JPS5392057A JP S5392057 A JPS5392057 A JP S5392057A JP 496877 A JP496877 A JP 496877A JP 496877 A JP496877 A JP 496877A JP S5392057 A JPS5392057 A JP S5392057A
Authority
JP
Japan
Prior art keywords
idling operation
operation method
hydraulic machinery
casing
allowing
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
JP496877A
Other languages
Japanese (ja)
Inventor
Masahide Nojima
Takeo Hachitani
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 JP496877A priority Critical patent/JPS5392057A/en
Publication of JPS5392057A publication Critical patent/JPS5392057A/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 perform safe and economical idling operation by allowing the inside of the casing and the inside of the draft tube in the lower part of the runner room to communicate, and allowing the pressure in the casing to balance with the pressure in the runner room.
COPYRIGHT: (C)1978,JPO&Japio
JP496877A 1977-01-21 1977-01-21 Idling operation method of hydraulic machinery and its apparatus Pending JPS5392057A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP496877A JPS5392057A (en) 1977-01-21 1977-01-21 Idling operation method of hydraulic machinery and its apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP496877A JPS5392057A (en) 1977-01-21 1977-01-21 Idling operation method of hydraulic machinery and its apparatus

Publications (1)

Publication Number Publication Date
JPS5392057A true JPS5392057A (en) 1978-08-12

Family

ID=11598379

Family Applications (1)

Application Number Title Priority Date Filing Date
JP496877A Pending JPS5392057A (en) 1977-01-21 1977-01-21 Idling operation method of hydraulic machinery and its apparatus

Country Status (1)

Country Link
JP (1) JPS5392057A (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5036847A (en) * 1973-08-06 1975-04-07

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5036847A (en) * 1973-08-06 1975-04-07

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