JP6905909B2 - 回転電機、圧縮機システム、及びポンプシステム - Google Patents
回転電機、圧縮機システム、及びポンプシステム Download PDFInfo
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- JP6905909B2 JP6905909B2 JP2017196785A JP2017196785A JP6905909B2 JP 6905909 B2 JP6905909 B2 JP 6905909B2 JP 2017196785 A JP2017196785 A JP 2017196785A JP 2017196785 A JP2017196785 A JP 2017196785A JP 6905909 B2 JP6905909 B2 JP 6905909B2
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- Japan
- Prior art keywords
- cooler
- electric machine
- rotary electric
- ventilation resistance
- ventilation
- 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.)
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/14—Arrangements for cooling or ventilating wherein gaseous cooling medium circulates between the machine casing and a surrounding mantle
- H02K9/18—Arrangements for cooling or ventilating wherein gaseous cooling medium circulates between the machine casing and a surrounding mantle wherein the external part of the closed circuit comprises a heat exchanger structurally associated with the machine casing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D13/00—Pumping installations or systems
- F04D13/02—Units comprising pumps and their driving means
- F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/06—Units comprising pumps and their driving means the pump being electrically driven
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
- F04D25/082—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation the unit having provision for cooling the motor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/58—Cooling; Heating; Diminishing heat transfer
- F04D29/5806—Cooling the drive system
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/02—Arrangements for cooling or ventilating by ambient air flowing through the machine
- H02K9/04—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
- H02K9/06—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium with fans or impellers driven by the machine shaft
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2213/00—Specific aspects, not otherwise provided for and not covered by codes H02K2201/00 - H02K2211/00
- H02K2213/03—Machines characterised by numerical values, ranges, mathematical expressions or similar information
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Motor Or Generator Cooling System (AREA)
Description
Claims (4)
- 固定子と、回転子と、前記固定子と前記回転子を冷却する冷媒を循環させる送風機と、前記固定子と前記回転子と前記送風機を格納したケーシングとを備える回転電機本体と、
前記回転電機本体に接続され、前記回転電機本体から前記冷媒が流入し、前記冷媒を冷却し、前記回転電機本体へ前記冷媒を流出させる冷却器と、
を備え、
前記冷却器の、前記冷媒の通風抵抗をRaとし、
前記回転電機本体の、前記冷媒の通風抵抗をRmとし、
前記送風機の締め切り圧力をP0とし、
前記冷却器の通風抵抗Raをゼロとしたときの前記送風機の動作点での圧力をP1とすると、
前記冷却器は、通風抵抗Raが0.15<(Ra/Rm)<(P0/P1)を満たす、
ことを特徴とする回転電機。 - 固定子と、回転子と、前記固定子と前記回転子を冷却する冷媒を循環させる送風機と、前記固定子と前記回転子と前記送風機を格納したケーシングとを備える回転電機本体と、
前記回転電機本体に接続され、前記回転電機本体から前記冷媒が流入し、前記冷媒を冷却し、前記回転電機本体へ前記冷媒を流出させる冷却器と、
を備え、
前記冷媒の定格風量における前記送風機の動作点での圧力をPdとし、
前記冷媒の定格風量における前記冷却器の圧力損失をΔPaとし、
前記冷却器の、前記冷媒の通風抵抗をRaとし、
前記送風機の締め切り圧力をP0とし、
前記冷却器の通風抵抗Raをゼロとしたときの前記送風機の動作点での圧力をP1とすると、
前記冷却器は、圧力損失ΔPaが0.15<(ΔPa/(Pd−ΔPa))<(P0/P1)を満たす、
ことを特徴とする回転電機。 - 圧縮機と、前記圧縮機の原動機とを備え、
前記原動機は、請求項1または2に記載の回転電機である、
ことを特徴とする圧縮機システム。 - ポンプと、前記ポンプの原動機とを備え、
前記原動機は、請求項1または2に記載の回転電機である、
ことを特徴とするポンプシステム。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017196785A JP6905909B2 (ja) | 2017-10-10 | 2017-10-10 | 回転電機、圧縮機システム、及びポンプシステム |
US16/124,373 US10658905B2 (en) | 2017-10-10 | 2018-09-07 | Rotating electrical machine, compressor system, and pump system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017196785A JP6905909B2 (ja) | 2017-10-10 | 2017-10-10 | 回転電機、圧縮機システム、及びポンプシステム |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2019071725A JP2019071725A (ja) | 2019-05-09 |
JP6905909B2 true JP6905909B2 (ja) | 2021-07-21 |
Family
ID=65994104
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2017196785A Active JP6905909B2 (ja) | 2017-10-10 | 2017-10-10 | 回転電機、圧縮機システム、及びポンプシステム |
Country Status (2)
Country | Link |
---|---|
US (1) | US10658905B2 (ja) |
JP (1) | JP6905909B2 (ja) |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6114305Y2 (ja) * | 1977-06-14 | 1986-05-02 | ||
JPH06335203A (ja) * | 1993-05-18 | 1994-12-02 | Fuji Electric Co Ltd | 空冷熱交換器形回転電機 |
JP2951244B2 (ja) * | 1995-09-19 | 1999-09-20 | 東日本旅客鉄道株式会社 | 車両用主電動機 |
JPH10174369A (ja) | 1996-12-06 | 1998-06-26 | Meidensha Corp | 全閉外扇空冷熱交換器形回転電機 |
JPH10174370A (ja) * | 1996-12-06 | 1998-06-26 | Meidensha Corp | 全閉外扇空冷熱交換器形回転電機 |
US7247959B2 (en) * | 2002-10-11 | 2007-07-24 | Siemens Power Generation, Inc. | Dynamoelectric machine with arcuate heat exchanger and related methods |
US6943469B2 (en) * | 2002-11-01 | 2005-09-13 | Siemens Westinghouse Power Corporation | Supplemented zonal ventilation system for electric generator |
CN100356662C (zh) * | 2004-08-20 | 2007-12-19 | 东芝三菱电机产业系统株式会社 | 全闭外扇型旋转电机 |
DK2234246T3 (da) * | 2009-03-23 | 2012-12-03 | Abb Oy | Arrangement og fremgangsmåde til køling af et elektrisk apparat |
US8604651B2 (en) * | 2011-02-18 | 2013-12-10 | Hamilton Sundstrand Space Systems International, Inc. | Cooling of permanent magnet electric machine |
EP2814144A1 (en) * | 2013-06-10 | 2014-12-17 | ABB Technology AG | An air-to-air heat exchanger |
JP6234257B2 (ja) * | 2014-02-04 | 2017-11-22 | 株式会社酉島製作所 | ポンプおよび耐水モータ |
-
2017
- 2017-10-10 JP JP2017196785A patent/JP6905909B2/ja active Active
-
2018
- 2018-09-07 US US16/124,373 patent/US10658905B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
JP2019071725A (ja) | 2019-05-09 |
US20190109514A1 (en) | 2019-04-11 |
US10658905B2 (en) | 2020-05-19 |
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