NL257916A - - Google Patents
Info
- Publication number
- NL257916A NL257916A NL257916A NL257916A NL257916A NL 257916 A NL257916 A NL 257916A NL 257916 A NL257916 A NL 257916A NL 257916 A NL257916 A NL 257916A NL 257916 A NL257916 A NL 257916A
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/38—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to both voltage and current; responsive to phase angle between voltage and current
- H02H3/385—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to both voltage and current; responsive to phase angle between voltage and current using at least one homopolar quantity
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE257916X | 1959-11-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL257916A true NL257916A (en:Method) | 1964-04-10 |
Family
ID=1862882
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL257916A NL257916A (en:Method) | 1959-11-13 | 1960-11-14 |
Country Status (1)
| Country | Link |
|---|---|
| NL (1) | NL257916A (en:Method) |
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1960
- 1960-11-14 NL NL257916A patent/NL257916A/xx unknown