JPS52107547A - Earth method - Google Patents
Earth methodInfo
- Publication number
- JPS52107547A JPS52107547A JP2383676A JP2383676A JPS52107547A JP S52107547 A JPS52107547 A JP S52107547A JP 2383676 A JP2383676 A JP 2383676A JP 2383676 A JP2383676 A JP 2383676A JP S52107547 A JPS52107547 A JP S52107547A
- Authority
- JP
- Japan
- Prior art keywords
- earth method
- voltage
- generated
- ground
- alternator
- 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
Abstract
PURPOSE: To provide an operation of system protection without an error work, by discriminating a voltage of higher harmonic generated in the ground circuit and a ground voltage generated at a time of one line earth, when an alternator is driven or low-frequency started by static frequency convertor.
COPYRIGHT: (C)1977,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2383676A JPS52107547A (en) | 1976-03-05 | 1976-03-05 | Earth method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2383676A JPS52107547A (en) | 1976-03-05 | 1976-03-05 | Earth method |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS52107547A true JPS52107547A (en) | 1977-09-09 |
JPS561022B2 JPS561022B2 (en) | 1981-01-10 |
Family
ID=12121465
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2383676A Granted JPS52107547A (en) | 1976-03-05 | 1976-03-05 | Earth method |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS52107547A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0349313A (en) * | 1989-07-17 | 1991-03-04 | Murata Mfg Co Ltd | Piezoelectric device |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5825902U (en) * | 1981-08-12 | 1983-02-18 | 大同特殊鋼株式会社 | cooking heating device |
-
1976
- 1976-03-05 JP JP2383676A patent/JPS52107547A/en active Granted
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0349313A (en) * | 1989-07-17 | 1991-03-04 | Murata Mfg Co Ltd | Piezoelectric device |
Also Published As
Publication number | Publication date |
---|---|
JPS561022B2 (en) | 1981-01-10 |
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