BR8805913A - Rele de protecao aperfeicoado - Google Patents
Rele de protecao aperfeicoadoInfo
- Publication number
- BR8805913A BR8805913A BR888805913A BR8805913A BR8805913A BR 8805913 A BR8805913 A BR 8805913A BR 888805913 A BR888805913 A BR 888805913A BR 8805913 A BR8805913 A BR 8805913A BR 8805913 A BR8805913 A BR 8805913A
- Authority
- BR
- Brazil
- Prior art keywords
- protection relay
- perfect protection
- perfect
- relay
- protection
- Prior art date
Links
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/120,078 US4825327A (en) | 1987-11-12 | 1987-11-12 | Negative and zero sequence directional overcurrent unit for AC power transmission line protection |
Publications (1)
Publication Number | Publication Date |
---|---|
BR8805913A true BR8805913A (pt) | 1989-08-01 |
Family
ID=22388142
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR888805913A BR8805913A (pt) | 1987-11-12 | 1988-11-11 | Rele de protecao aperfeicoado |
Country Status (1)
Country | Link |
---|---|
BR (1) | BR8805913A (pt) |
-
1988
- 1988-11-11 BR BR888805913A patent/BR8805913A/pt not_active IP Right Cessation
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
B21A | Expiry acc. art. 78, item i of ipl- expiry of the term of protection |
Free format text: PATENTE EXTINTA EM 11/11/2003 |