IT1019626B - Circuito di misura di fase di gua sto in un dispositivo elettrico di protezione di rete - Google Patents
Circuito di misura di fase di gua sto in un dispositivo elettrico di protezione di reteInfo
- Publication number
- IT1019626B IT1019626B IT2324374A IT2324374A IT1019626B IT 1019626 B IT1019626 B IT 1019626B IT 2324374 A IT2324374 A IT 2324374A IT 2324374 A IT2324374 A IT 2324374A IT 1019626 B IT1019626 B IT 1019626B
- Authority
- IT
- Italy
- Prior art keywords
- protection device
- electrical network
- measuring circuit
- network protection
- fault phase
- Prior art date
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
- H02H3/382—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 involving phase comparison between current and voltage or between values derived from current and voltage
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH778073A CH560477A5 (US20030199744A1-20031023-C00003.png) | 1973-05-30 | 1973-05-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IT1019626B true IT1019626B (it) | 1977-11-30 |
Family
ID=4330349
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT2324374A IT1019626B (it) | 1973-05-30 | 1974-05-28 | Circuito di misura di fase di gua sto in un dispositivo elettrico di protezione di rete |
Country Status (8)
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH655621B (US20030199744A1-20031023-C00003.png) * | 1979-03-20 | 1986-04-30 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1222360A (en) * | 1967-05-23 | 1971-02-10 | Ass Elect Ind | Improvements relating to electrical protective relay systems |
| FR1561281A (US20030199744A1-20031023-C00003.png) * | 1968-01-19 | 1969-03-28 | ||
| DE2064679C3 (de) * | 1970-12-31 | 1973-11-29 | Hartmann & Braun Ag, 6000 Frankfurt | Elektronische Distanzmeßschaltung |
-
1973
- 1973-05-30 CH CH778073A patent/CH560477A5/xx not_active IP Right Cessation
- 1973-06-29 DE DE19732333112 patent/DE2333112A1/de active Pending
-
1974
- 1974-05-24 DK DK283874A patent/DK283874A/da unknown
- 1974-05-24 SE SE7406932A patent/SE7406932L/ not_active Application Discontinuation
- 1974-05-28 NL NL7407098A patent/NL7407098A/xx unknown
- 1974-05-28 FR FR7418484A patent/FR2232117B1/fr not_active Expired
- 1974-05-28 IT IT2324374A patent/IT1019626B/it active
- 1974-05-28 BE BE144831A patent/BE815630A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FR2232117B1 (US20030199744A1-20031023-C00003.png) | 1978-03-31 |
| FR2232117A1 (US20030199744A1-20031023-C00003.png) | 1974-12-27 |
| NL7407098A (US20030199744A1-20031023-C00003.png) | 1974-12-03 |
| DE2333112A1 (de) | 1974-12-05 |
| DK283874A (US20030199744A1-20031023-C00003.png) | 1975-01-20 |
| SE7406932L (US20030199744A1-20031023-C00003.png) | 1974-12-02 |
| CH560477A5 (US20030199744A1-20031023-C00003.png) | 1975-03-27 |
| BE815630A (fr) | 1974-09-16 |
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