BE776593A - DISTANCE RELAYS FOR POLYPHASE NETWORKS - Google Patents
DISTANCE RELAYS FOR POLYPHASE NETWORKSInfo
- Publication number
- BE776593A BE776593A BE776593A BE776593A BE776593A BE 776593 A BE776593 A BE 776593A BE 776593 A BE776593 A BE 776593A BE 776593 A BE776593 A BE 776593A BE 776593 A BE776593 A BE 776593A
- Authority
- BE
- Belgium
- Prior art keywords
- distance relays
- polyphase networks
- polyphase
- networks
- relays
- 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
-
- 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
- H02H3/02—Details
- H02H3/04—Details with warning or supervision in addition to disconnection, e.g. for indicating that protective apparatus has functioned
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH1850470A CH525578A (en) | 1970-12-14 | 1970-12-14 | Distance relay for multi-phase networks |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE776593A true BE776593A (en) | 1972-04-04 |
Family
ID=4433436
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE776593A BE776593A (en) | 1970-12-14 | 1971-12-13 | DISTANCE RELAYS FOR POLYPHASE NETWORKS |
Country Status (6)
| Country | Link |
|---|---|
| BE (1) | BE776593A (en) |
| CH (1) | CH525578A (en) |
| DE (1) | DE2100619C3 (en) |
| GB (1) | GB1366946A (en) |
| NL (1) | NL173900C (en) |
| SE (1) | SE366616B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1422346A (en) * | 1972-11-28 | 1976-01-28 | ||
| CH612046A5 (en) | 1977-04-01 | 1979-06-29 | Bbc Brown Boveri & Cie | |
| CH640675A5 (en) * | 1978-06-01 | 1984-01-13 | Bbc Brown Boveri & Cie | METHOD AND DEVICE FOR DETERMINING THE ERROR DIRECTION WITH REGARD TO A MEASURING PLACE ON ELECTRICAL LINES. |
| CN114784767B (en) * | 2022-05-05 | 2025-10-03 | 云南电网有限责任公司电力科学研究院 | Distribution network zero-sequence impedance sudden change protection method, device, equipment and medium |
-
1970
- 1970-12-14 CH CH1850470A patent/CH525578A/en not_active IP Right Cessation
-
1971
- 1971-01-08 DE DE19712100619 patent/DE2100619C3/en not_active Expired
- 1971-12-10 NL NL7117018A patent/NL173900C/en not_active IP Right Cessation
- 1971-12-13 SE SE1595571A patent/SE366616B/xx unknown
- 1971-12-13 BE BE776593A patent/BE776593A/en unknown
- 1971-12-13 GB GB5780071A patent/GB1366946A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL173900C (en) | 1984-03-16 |
| DE2100619B2 (en) | 1980-03-13 |
| NL173900B (en) | 1983-10-17 |
| GB1366946A (en) | 1974-09-18 |
| DE2100619C3 (en) | 1980-11-06 |
| SE366616B (en) | 1974-04-29 |
| DE2100619A1 (en) | 1972-06-29 |
| CH525578A (en) | 1972-07-15 |
| NL7117018A (en) | 1972-06-16 |
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