JPS4914948A - - Google Patents
Info
- Publication number
- JPS4914948A JPS4914948A JP48036606A JP3660673A JPS4914948A JP S4914948 A JPS4914948 A JP S4914948A JP 48036606 A JP48036606 A JP 48036606A JP 3660673 A JP3660673 A JP 3660673A JP S4914948 A JPS4914948 A JP S4914948A
- Authority
- JP
- Japan
- 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.)
- Pending
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
- H02H3/26—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 difference between voltages or between currents; responsive to phase angle between voltages or between currents
- H02H3/28—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 difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at two spaced portions of a single system, e.g. at opposite ends of one line, at input and output of apparatus
- H02H3/283—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 difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at two spaced portions of a single system, e.g. at opposite ends of one line, at input and output of apparatus and taking into account saturation of current transformers
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Emergency Protection Circuit Devices (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19722216377 DE2216377B2 (de) | 1972-03-30 | 1972-03-30 | Differentialschutz |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS4914948A true JPS4914948A (is) | 1974-02-08 |
Family
ID=5841066
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP48036606A Pending JPS4914948A (is) | 1972-03-30 | 1973-03-30 |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JPS4914948A (is) |
| CH (1) | CH553496A (is) |
| DE (1) | DE2216377B2 (is) |
| IT (1) | IT981640B (is) |
| SE (1) | SE377241B (is) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH577762A5 (is) * | 1974-02-27 | 1976-07-15 | Bbc Brown Boveri & Cie | |
| DE2924122C2 (de) * | 1979-06-15 | 1984-07-05 | Kommanditgesellschaft Ritz Messwandler Gmbh & Co, 2000 Hamburg | Elektronische Fehlerstrom-Schutzeinrichtung |
| JPS60180421A (ja) * | 1984-02-27 | 1985-09-14 | 三菱電機株式会社 | 差動保護継電装置 |
| JP2565870B2 (ja) * | 1986-06-11 | 1996-12-18 | 株式会社東芝 | 差動継電装置 |
| DE4420513A1 (de) * | 1994-06-13 | 1995-12-14 | Abb Management Ag | Verfahren und Vorrichtung zum Schutz von Sammelschienen |
-
1972
- 1972-03-30 DE DE19722216377 patent/DE2216377B2/de active Granted
-
1973
- 1973-03-06 CH CH324373A patent/CH553496A/xx not_active IP Right Cessation
- 1973-03-21 SE SE7303970A patent/SE377241B/xx unknown
- 1973-03-27 IT IT2217973A patent/IT981640B/it active
- 1973-03-30 JP JP48036606A patent/JPS4914948A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| IT981640B (it) | 1974-10-10 |
| SE377241B (is) | 1975-06-23 |
| DE2216377B2 (de) | 1974-09-12 |
| DE2216377A1 (de) | 1973-10-11 |
| DE2216377C3 (is) | 1975-05-15 |
| CH553496A (de) | 1974-08-30 |