JPS5773864A - Protection of hydraulic machinery - Google Patents
Protection of hydraulic machineryInfo
- Publication number
- JPS5773864A JPS5773864A JP55148394A JP14839480A JPS5773864A JP S5773864 A JPS5773864 A JP S5773864A JP 55148394 A JP55148394 A JP 55148394A JP 14839480 A JP14839480 A JP 14839480A JP S5773864 A JPS5773864 A JP S5773864A
- Authority
- JP
- Japan
- Prior art keywords
- flow rate
- relay
- cooling water
- main
- operates
- 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
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)
- Control Of Non-Positive-Displacement Pumps (AREA)
- Hydraulic Turbines (AREA)
Abstract
PURPOSE: To prevent unnecessary stop of a main engine due to discharged sand by suspending the function of a flow rate relay during the time when the sand discharging valve of a strainer is opened, when reduction of the flow rate of the flow rate relay is detected.
CONSTITUTION: When the amount of cooling water to the sealing part reduces during the main machinery is in idle operation, the main machinery is halted by a relay 80X. When the flow rate relay 80RS for the runner seal part cooling water or the flow rate relay 80SS for the main shaft sealing apparatus cooling water operates during the main machinery operates in other than idling or if one of the all flow rate relays 80RS, 80SS, 80TG, and 80TH operates during the main machinery operates, if reduction of the amount of cooling water is temporary because of opening of a sand discharging valve, unnecessary stop of the main machinery can be avoided by a timing relay 80XT or 80YT.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP55148394A JPS5773864A (en) | 1980-10-24 | 1980-10-24 | Protection of hydraulic machinery |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP55148394A JPS5773864A (en) | 1980-10-24 | 1980-10-24 | Protection of hydraulic machinery |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5773864A true JPS5773864A (en) | 1982-05-08 |
JPS628635B2 JPS628635B2 (en) | 1987-02-24 |
Family
ID=15451790
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP55148394A Granted JPS5773864A (en) | 1980-10-24 | 1980-10-24 | Protection of hydraulic machinery |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5773864A (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04186857A (en) * | 1990-11-21 | 1992-07-03 | Nec Kyushu Ltd | Semiconductor supplying equipment of autohandler |
-
1980
- 1980-10-24 JP JP55148394A patent/JPS5773864A/en active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS628635B2 (en) | 1987-02-24 |
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