JPS4741121B1 - - Google Patents
Info
- Publication number
- JPS4741121B1 JPS4741121B1 JP9152468A JP9152468A JPS4741121B1 JP S4741121 B1 JPS4741121 B1 JP S4741121B1 JP 9152468 A JP9152468 A JP 9152468A JP 9152468 A JP9152468 A JP 9152468A JP S4741121 B1 JPS4741121 B1 JP S4741121B1
- Authority
- JP
- Japan
- 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/08—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/34—Testing dynamo-electric machines
- G01R31/343—Testing dynamo-electric machines in operation
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DES0113253 | 1967-12-12 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS4741121B1 true JPS4741121B1 (ja) | 1972-10-18 |
Family
ID=7532378
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP9152468A Pending JPS4741121B1 (ja) | 1967-12-12 | 1968-12-12 |
Country Status (2)
Country | Link |
---|---|
JP (1) | JPS4741121B1 (ja) |
DE (1) | DE1613886A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1982004164A1 (en) * | 1981-05-09 | 1982-11-25 | Amagasa Nobutada | Monitoring unit for the shaft-voltage of a rotary electric machine |
US9966813B2 (en) | 2013-10-21 | 2018-05-08 | Panasonic Intellectual Property Management Co., Ltd. | Electric motor and electric device equipped with same |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH594891A5 (ja) * | 1976-04-22 | 1978-01-31 | Bbc Brown Boveri & Cie | |
US11569712B2 (en) | 2021-04-05 | 2023-01-31 | General Electric Renovables Espana, S.L. | System and method for detecting bearing insulation and ground brush health in a generator |
-
1967
- 1967-12-12 DE DE19671613886 patent/DE1613886A1/de active Pending
-
1968
- 1968-12-12 JP JP9152468A patent/JPS4741121B1/ja active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1982004164A1 (en) * | 1981-05-09 | 1982-11-25 | Amagasa Nobutada | Monitoring unit for the shaft-voltage of a rotary electric machine |
US9966813B2 (en) | 2013-10-21 | 2018-05-08 | Panasonic Intellectual Property Management Co., Ltd. | Electric motor and electric device equipped with same |
Also Published As
Publication number | Publication date |
---|---|
DE1613886A1 (de) | 1971-08-12 |