JP2007259679A5 - - Google Patents
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- Publication number
- JP2007259679A5 JP2007259679A5 JP2006084715A JP2006084715A JP2007259679A5 JP 2007259679 A5 JP2007259679 A5 JP 2007259679A5 JP 2006084715 A JP2006084715 A JP 2006084715A JP 2006084715 A JP2006084715 A JP 2006084715A JP 2007259679 A5 JP2007259679 A5 JP 2007259679A5
- Authority
- JP
- Japan
- Prior art keywords
- cooling
- temperature
- water
- temperature sensor
- heat exchanger
- 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
- 239000000498 cooling water Substances 0.000 claims 12
- 238000001816 cooling Methods 0.000 claims 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 11
- 239000003507 refrigerant Substances 0.000 claims 1
Claims (1)
前記循環路の中間部に設けた水熱交換器と、
前記循環路の冷却水を循環させる水ポンプと、
前記水熱交換器を冷却する冷媒熱交換器を有する冷却水冷却装置と、
前記循環路を循環する冷却水の温度を検出する温度センサと、
前記温度センサで検出した冷却水の温度に基づいて前記冷却水冷却装置及び前記水ポンプの運転を制御する制御装置と、
前記水熱交換器と前記タービン軸受冷却部とを結ぶ前記循環路の往路管及び復路管の中間部に介在するクッションタンクを備え、
前記水ポンプは、
前記クッションタンクから前記水熱交換器に至る復路管に設けた第１水ポンプと、
前記クッションタンクから前記タービン軸受冷却部に至る往路管に設けた第２水ポンプとを備え、
前記温度センサは、
前記水熱交換器の入口側の冷却水の温度を検出する第１温度センサと、
前記水熱交換器の出口側の冷却水の温度を検出する第２温度センサと、
前記クッションタンクの入口側の温度を検出する第３温度センサと、
前記クッションタンクの出口側の温度を検出する第４温度センサとを備え、
前記制御装置は、
前記第１温度センサの検出温度に基づいて前記冷却水冷却装置の運転をオンオフ制御する機能と、
前記第２温度センサの検出温度が所定温度以下の場合に前記冷却水冷却装置の運転をオフ制御する機能と、
前記第３温度センサの検出温度に基づいて前記冷却水冷却装置の運転をオンオフ制御する機能と、
前記第４温度センサの検出温度が所定温度以下の場合に前記冷却水冷却装置の運転をオフ制御する機能と
を備えている水力発電所用発電機軸受の冷却システム。 A circulation path for circulating and supplying cooling water to the turbine bearing cooling section;
A water heat exchanger provided in an intermediate portion of the circulation path;
A water pump for circulating cooling water in the circulation path;
A cooling water cooling device having a refrigerant heat exchanger for cooling the water heat exchanger;
A temperature sensor for detecting the temperature of cooling water circulating in the circulation path;
A control device for controlling the operation of the cooling water cooling device and the water pump based on the temperature of the cooling water detected by the temperature sensor ;
A cushion tank interposed in an intermediate portion between the forward pipe and the return pipe of the circulation path connecting the water heat exchanger and the turbine bearing cooling section;
The water pump is
A first water pump provided in a return pipe extending from the cushion tank to the water heat exchanger;
A second water pump provided in an outward pipe extending from the cushion tank to the turbine bearing cooling unit,
The temperature sensor is
A first temperature sensor for detecting a temperature of cooling water on an inlet side of the water heat exchanger;
A second temperature sensor for detecting the temperature of the cooling water on the outlet side of the water heat exchanger;
A third temperature sensor for detecting the temperature on the inlet side of the cushion tank;
A fourth temperature sensor for detecting the temperature on the outlet side of the cushion tank,
The controller is
A function of on / off controlling the operation of the cooling water cooling device based on the temperature detected by the first temperature sensor;
A function of turning off the operation of the cooling water cooling device when the temperature detected by the second temperature sensor is equal to or lower than a predetermined temperature;
A function of on / off controlling the operation of the cooling water cooling device based on the temperature detected by the third temperature sensor;
A cooling system for a hydroelectric power plant generator bearing , comprising a function of turning off the operation of the cooling water cooling device when the temperature detected by the fourth temperature sensor is equal to or lower than a predetermined temperature .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2006084715A JP4131518B2 (en) | 2006-03-27 | 2006-03-27 | Cooling system for generator bearings for hydropower plants |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2006084715A JP4131518B2 (en) | 2006-03-27 | 2006-03-27 | Cooling system for generator bearings for hydropower plants |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2008010289A Division JP2008104355A (en) | 2008-01-21 | 2008-01-21 | Cooling system of dynamoelectric machine bearing for water power generating stations |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2007259679A JP2007259679A (en) | 2007-10-04 |
| JP2007259679A5 true JP2007259679A5 (en) | 2008-03-06 |
| JP4131518B2 JP4131518B2 (en) | 2008-08-13 |
Family
ID=38633311
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2006084715A Expired - Fee Related JP4131518B2 (en) | 2006-03-27 | 2006-03-27 | Cooling system for generator bearings for hydropower plants |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP4131518B2 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5973483B2 (en) * | 2014-03-19 | 2016-08-23 | 中国電力株式会社 | Closed circulation refrigerant cooling system |
| CN106059199A (en) * | 2016-07-28 | 2016-10-26 | 苏州必信空调有限公司 | Generator cooling device with vertical low-resistance heat pipes |
| CN106996424A (en) * | 2017-05-21 | 2017-08-01 | 响水星火传动件有限公司 | A kind of bearing block with self-refrigeration cooling function |
-
2006
- 2006-03-27 JP JP2006084715A patent/JP4131518B2/en not_active Expired - Fee Related
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