DE2404298B2 - Anordnung zur Feststellung einer örtlichen Überhitzung eines Teils einer gasgekühlten elektrischen Maschine - Google Patents
Anordnung zur Feststellung einer örtlichen Überhitzung eines Teils einer gasgekühlten elektrischen MaschineInfo
- Publication number
- DE2404298B2 DE2404298B2 DE2404298A DE2404298A DE2404298B2 DE 2404298 B2 DE2404298 B2 DE 2404298B2 DE 2404298 A DE2404298 A DE 2404298A DE 2404298 A DE2404298 A DE 2404298A DE 2404298 B2 DE2404298 B2 DE 2404298B2
- Authority
- DE
- Germany
- Prior art keywords
- machine
- overheating
- gas
- sampling device
- particles
- 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.)
- Withdrawn
Links
- 238000013021 overheating Methods 0.000 title claims description 23
- 238000005070 sampling Methods 0.000 claims description 35
- 238000000354 decomposition reaction Methods 0.000 claims description 17
- 239000002245 particle Substances 0.000 claims description 17
- 239000007789 gas Substances 0.000 claims description 16
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 14
- 238000000197 pyrolysis Methods 0.000 claims description 13
- 239000000112 cooling gas Substances 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 11
- 239000011368 organic material Substances 0.000 claims description 11
- 238000004458 analytical method Methods 0.000 claims description 7
- 238000004587 chromatography analysis Methods 0.000 claims description 5
- 239000002826 coolant Substances 0.000 claims description 5
- 239000000377 silicon dioxide Substances 0.000 claims description 5
- 235000012239 silicon dioxide Nutrition 0.000 claims description 5
- 230000002745 absorbent Effects 0.000 claims description 4
- 239000002250 absorbent Substances 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 4
- 241000446313 Lamella Species 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 2
- 238000000576 coating method Methods 0.000 claims description 2
- 239000003507 refrigerant Substances 0.000 claims description 2
- 238000001514 detection method Methods 0.000 claims 4
- 229910000976 Electrical steel Inorganic materials 0.000 claims 1
- 239000011358 absorbing material Substances 0.000 claims 1
- 238000010438 heat treatment Methods 0.000 claims 1
- 238000009413 insulation Methods 0.000 claims 1
- 239000012528 membrane Substances 0.000 claims 1
- 239000011148 porous material Substances 0.000 claims 1
- 230000008439 repair process Effects 0.000 claims 1
- 239000000126 substance Substances 0.000 claims 1
- 150000002500 ions Chemical class 0.000 description 8
- 238000004804 winding Methods 0.000 description 5
- 239000000499 gel Substances 0.000 description 4
- 239000000741 silica gel Substances 0.000 description 4
- 229910002027 silica gel Inorganic materials 0.000 description 4
- 238000011144 upstream manufacturing Methods 0.000 description 4
- 239000011521 glass Substances 0.000 description 3
- 238000004949 mass spectrometry Methods 0.000 description 3
- 239000004593 Epoxy Substances 0.000 description 2
- 238000011109 contamination Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000003475 lamination Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 244000052616 bacterial pathogen Species 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000010445 mica Substances 0.000 description 1
- 229910052618 mica group Inorganic materials 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 239000002952 polymeric resin Substances 0.000 description 1
- 239000004926 polymethyl methacrylate Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 239000004945 silicone rubber Substances 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 238000005979 thermal decomposition reaction Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- 238000013024 troubleshooting Methods 0.000 description 1
- 239000002966 varnish Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/24—Protection against failure of cooling arrangements, e.g. due to loss of cooling medium or due to interruption of the circulation of cooling medium
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/62—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating the ionisation of gases, e.g. aerosols; by investigating electric discharges, e.g. emission of cathode
- G01N27/626—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating the ionisation of gases, e.g. aerosols; by investigating electric discharges, e.g. emission of cathode using heat to ionise a gas
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- General Physics & Mathematics (AREA)
- Pathology (AREA)
- Immunology (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Molecular Biology (AREA)
- Biomedical Technology (AREA)
- Power Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
- Sampling And Sample Adjustment (AREA)
- Motor Or Generator Cooling System (AREA)
- Drying Of Gases (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US00336024A US3807218A (en) | 1973-02-26 | 1973-02-26 | Sampling device for dynamoelectric machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE2404298A1 DE2404298A1 (de) | 1974-08-29 |
| DE2404298B2 true DE2404298B2 (de) | 1979-08-16 |
Family
ID=23314232
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2404298A Withdrawn DE2404298B2 (de) | 1973-02-26 | 1974-01-30 | Anordnung zur Feststellung einer örtlichen Überhitzung eines Teils einer gasgekühlten elektrischen Maschine |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US3807218A (enExample) |
| JP (1) | JPS5410081B2 (enExample) |
| DE (1) | DE2404298B2 (enExample) |
| GB (1) | GB1444315A (enExample) |
Families Citing this family (28)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3973438A (en) * | 1973-08-21 | 1976-08-10 | Westinghouse Electric Corporation | Composition for forming thermo-particulating coating which protects electrical apparatus |
| US3972225A (en) * | 1973-12-19 | 1976-08-03 | Westinghouse Electric Corporation | Sampling system for power generators |
| US3916671A (en) * | 1974-04-08 | 1975-11-04 | Gen Electric | Gas chromatographic analysis of pyrolysis products |
| US4272988A (en) * | 1975-04-15 | 1981-06-16 | Westinghouse Electric Corp. | Multiple signal thermoparticulating coating |
| US3955417A (en) * | 1975-04-15 | 1976-05-11 | Westinghouse Electric Corporation | Grease thermoparticulating coating |
| US3973439A (en) * | 1975-04-15 | 1976-08-10 | Westinghouse Electric Corporation | Metal acetyl acetonate composition for forming thermoparticulating coating |
| US3995489A (en) * | 1975-04-15 | 1976-12-07 | Westinghouse Electric Corporation | Malonic acid derivative composition for forming thermoparticulating coating |
| US4056005A (en) * | 1975-04-15 | 1977-11-01 | Westinghouse Electric Corporation | Blocked isocyanate composition for forming T hermoparticulating coating |
| US3979353A (en) * | 1975-04-15 | 1976-09-07 | Westinghouse Electric Corporation | Diazonium salt composition for forming thermoparticulating coating |
| US3957014A (en) * | 1975-06-19 | 1976-05-18 | Westinghouse Electric Corporation | Thermoparticulating tape |
| US3978732A (en) * | 1975-08-01 | 1976-09-07 | Westinghouse Electric Corporation | Sampling system for power generators |
| US4056006A (en) * | 1975-11-21 | 1977-11-01 | Westinghouse Electric Corporation | Metal dithiocarbamate composition for forming thermoparticulating coating |
| IN144647B (enExample) * | 1975-12-10 | 1978-05-27 | Gen Electric | |
| US4046733A (en) * | 1975-12-30 | 1977-09-06 | Westinghouse Electric Corporation | Sulfonic acid composition for forming thermoparticulating coating |
| US4046512A (en) * | 1976-02-20 | 1977-09-06 | Westinghouse Electric Corporation | Device for indicating overheating in generators |
| US4130009A (en) * | 1976-03-23 | 1978-12-19 | Westinghouse Electric Corp. | Method and apparatus for determining thermoparticulation temperature of compounds |
| US4102192A (en) * | 1976-04-13 | 1978-07-25 | Westinghouse Electric Corp. | Metallic carboxylate composition for forming thermoparticulating coating |
| CA1085277A (en) * | 1976-05-27 | 1980-09-09 | James D.B. Smith | Carboxylic acid composition for forming thermoparticulating coating |
| JPS5330459A (en) * | 1976-09-01 | 1978-03-22 | Kobe Steel Ltd | Pre up set tool |
| US4108001A (en) * | 1976-09-23 | 1978-08-22 | Westinghouse Electric Corp. | Urea composition for forming thermoparticulating coating |
| US4168625A (en) * | 1976-09-23 | 1979-09-25 | Westinghouse Electric Corp. | N-thiophthalimide composition for forming thermoparticulating coating |
| US4135399A (en) * | 1977-05-13 | 1979-01-23 | Westinghouse Electric Corp. | Use of an expansion chamber for the production of representative particulate effluent from polymers |
| DE2862197D1 (en) * | 1977-08-01 | 1983-04-14 | Gen Electric | Automatic control system for processing signals from an overheat monitor of a dynamoelectric machine |
| JPS5644347A (en) * | 1979-09-17 | 1981-04-23 | Hitachi Ltd | Diagnostic device for local overheating of rotary electric machine |
| JPS5749325A (en) | 1980-09-06 | 1982-03-23 | Hitachi Ltd | Local overheat diagnozing device for rotary electric machine |
| US4570494A (en) * | 1984-04-11 | 1986-02-18 | The United States Of America As Represented By The United States Department Of Energy | Apparatus for sampling and characterizing aerosols |
| US6170342B1 (en) | 1997-05-19 | 2001-01-09 | Particle Science | Spiral sampler |
| AU2959100A (en) | 1998-12-23 | 2000-07-31 | Johns Hopkins University, The | Thermal ionization detector |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2978582A (en) * | 1957-08-16 | 1961-04-04 | Schoepe Adolf | Smoke detector |
-
1973
- 1973-02-26 US US00336024A patent/US3807218A/en not_active Expired - Lifetime
-
1974
- 1974-01-30 DE DE2404298A patent/DE2404298B2/de not_active Withdrawn
- 1974-02-13 GB GB661574A patent/GB1444315A/en not_active Expired
- 1974-02-26 JP JP2200874A patent/JPS5410081B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2404298A1 (de) | 1974-08-29 |
| JPS5410081B2 (enExample) | 1979-05-01 |
| US3807218A (en) | 1974-04-30 |
| GB1444315A (en) | 1976-07-28 |
| JPS5024712A (enExample) | 1975-03-17 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OD | Request for examination | ||
| 8230 | Patent withdrawn |