JPS55105014A - Safety device for drainer within hydraulic power generation plant - Google Patents
Safety device for drainer within hydraulic power generation plantInfo
- Publication number
- JPS55105014A JPS55105014A JP1376979A JP1376979A JPS55105014A JP S55105014 A JPS55105014 A JP S55105014A JP 1376979 A JP1376979 A JP 1376979A JP 1376979 A JP1376979 A JP 1376979A JP S55105014 A JPS55105014 A JP S55105014A
- Authority
- JP
- Japan
- Prior art keywords
- reverse current
- power generation
- check valve
- generation plant
- drain
- 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
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 water infiltration into the underground power generation plant due to leakage at the check valve by checking reverse current with an automatic valve adapted to be closed by the generated signal produced whenever such current occurs in the drain pipe in the safety device of the drainer within the plant.
CONSTITUTION: Water in a drain pit 3 within the power generation plant is drained into the flood way through a discharge pipe 10 by means of a drain pump 5, which is controlled with a water level relay 9. A check valve 7 is provided in the course of the discharge pipe 10 to check any reverse current to the drain pit 3 from the flood way 2. In addition, whenever a leakage occurs from the check valve 7, a reverse current detector 15 provided between the drain pump 5 and the check valve 7 detects the reverse current from the flood way 2 and the signal activates a valve motor 14 to close an automatic valve 13. Thus, the reverse current from the discharge passage 2 is interrupted.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1376979A JPS55105014A (en) | 1979-02-07 | 1979-02-07 | Safety device for drainer within hydraulic power generation plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1376979A JPS55105014A (en) | 1979-02-07 | 1979-02-07 | Safety device for drainer within hydraulic power generation plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS55105014A true JPS55105014A (en) | 1980-08-12 |
Family
ID=11842450
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1376979A Pending JPS55105014A (en) | 1979-02-07 | 1979-02-07 | Safety device for drainer within hydraulic power generation plant |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS55105014A (en) |
-
1979
- 1979-02-07 JP JP1376979A patent/JPS55105014A/en active Pending
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