EP0076999A3 - Arrangement for the avoidance of fault impulses of a summation current transformer - Google Patents
Arrangement for the avoidance of fault impulses of a summation current transformerInfo
- Publication number
- EP0076999A3 EP0076999A3 EP82109160A EP82109160A EP0076999A3 EP 0076999 A3 EP0076999 A3 EP 0076999A3 EP 82109160 A EP82109160 A EP 82109160A EP 82109160 A EP82109160 A EP 82109160A EP 0076999 A3 EP0076999 A3 EP 0076999A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- avoidance
- arrangement
- current transformer
- summation current
- impulses
- Prior art date
- 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.)
- Withdrawn
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H83/00—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current
- H01H83/14—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by imbalance of two or more currents or voltages, e.g. for differential protection
- H01H83/144—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by imbalance of two or more currents or voltages, e.g. for differential protection with differential transformer
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H83/00—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current
- H01H83/14—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by imbalance of two or more currents or voltages, e.g. for differential protection
- H01H83/144—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by imbalance of two or more currents or voltages, e.g. for differential protection with differential transformer
- H01H2083/146—Provisions for avoiding disadvantages of having asymetrical primaries, e.g. induction of a magnetic field even by zero difference current
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H83/00—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current
- H01H83/14—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by imbalance of two or more currents or voltages, e.g. for differential protection
- H01H83/144—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by imbalance of two or more currents or voltages, e.g. for differential protection with differential transformer
- H01H2083/148—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by imbalance of two or more currents or voltages, e.g. for differential protection with differential transformer with primary windings formed of rigid copper conductors
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transformers For Measuring Instruments (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3140866 | 1981-10-14 | ||
DE19813140866 DE3140866A1 (en) | 1981-10-14 | 1981-10-14 | ARRANGEMENT FOR PREVENTING MISTAKE PULSES OF A TOTAL CURRENT TRANSFORMER |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0076999A2 EP0076999A2 (en) | 1983-04-20 |
EP0076999A3 true EP0076999A3 (en) | 1985-10-16 |
Family
ID=6144118
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP82109160A Withdrawn EP0076999A3 (en) | 1981-10-14 | 1982-10-04 | Arrangement for the avoidance of fault impulses of a summation current transformer |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP0076999A3 (en) |
DE (1) | DE3140866A1 (en) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4410076A1 (en) * | 1994-03-23 | 1995-09-28 | Valentron Ag | Residual current circuit breaker |
GB9414869D0 (en) * | 1994-07-23 | 1994-09-14 | Delta Circuits Protection | Module for use with a circuit breaker |
GB9414873D0 (en) * | 1994-07-23 | 1994-09-14 | Delta Circuits Protection | Current imbalance sensor |
DE19653552C2 (en) * | 1996-12-20 | 2000-07-13 | Siemens Ag | Total current converter arrangement |
FR2909800B1 (en) * | 2006-12-12 | 2009-01-09 | Schneider Electric Ind Sas | TORE AND DIFFERENTIAL DETECTION DEVICE. |
US10852326B2 (en) * | 2017-08-09 | 2020-12-01 | Schneider Electric USA, Inc. | Differential current sensing bussing method |
US10622800B2 (en) | 2017-08-09 | 2020-04-14 | Schneider Electric USA, Inc. | Integrated arc fault and ground fault current sensing package |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB719219A (en) * | 1951-04-14 | 1954-12-01 | Anderson Boyes & Co Ltd | Improvements in or relating to polyphase current transformers for use in earth leakage protective systems |
US3665356A (en) * | 1969-04-23 | 1972-05-23 | Rucker Co | Differential transformer with balancing means |
-
1981
- 1981-10-14 DE DE19813140866 patent/DE3140866A1/en not_active Withdrawn
-
1982
- 1982-10-04 EP EP82109160A patent/EP0076999A3/en not_active Withdrawn
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB719219A (en) * | 1951-04-14 | 1954-12-01 | Anderson Boyes & Co Ltd | Improvements in or relating to polyphase current transformers for use in earth leakage protective systems |
US3665356A (en) * | 1969-04-23 | 1972-05-23 | Rucker Co | Differential transformer with balancing means |
Also Published As
Publication number | Publication date |
---|---|
EP0076999A2 (en) | 1983-04-20 |
DE3140866A1 (en) | 1983-04-21 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE3268966D1 (en) | Voltage transformers | |
JPS57179870A (en) | Copying equipment | |
JPS57179869A (en) | Copying equipment | |
GB2102210B (en) | Transformer | |
DE3278666D1 (en) | Flyback transformer | |
JPS57151132A (en) | Multipolar current limiting breaker | |
JPS57212726A (en) | Multipolar breaker | |
DE3276400D1 (en) | Electrical shunt reactor | |
EP0076999A3 (en) | Arrangement for the avoidance of fault impulses of a summation current transformer | |
DE3271813D1 (en) | A current limiter | |
DE3267597D1 (en) | Hybrid compensated current transformer | |
GB2102211B (en) | Electrical transformer or reactor | |
ZA817246B (en) | A current transformer | |
ZA821187B (en) | Voltage transformer for a television receiver | |
GB2061626B (en) | Current transformer for a high-tension installation | |
AU9163282A (en) | Transformer relay interface circuit | |
JPS57187828A (en) | Current breaker | |
JPS57199123A (en) | Dc breaker | |
JPS57202025A (en) | Dc breaker | |
JPS57211932A (en) | Transformer protecting relay | |
SU1164816A2 (en) | Device for short-circuit current protection of a.c.network | |
AU1447883A (en) | Current transformer protection | |
AU7959882A (en) | Current transformer busbar clamp | |
JPS57115737A (en) | Current limiting breaker | |
ZA827233B (en) | A high voltage converter |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
AK | Designated contracting states |
Designated state(s): AT BE CH DE FR IT LI NL |
|
PUAL | Search report despatched |
Free format text: ORIGINAL CODE: 0009013 |
|
PUAF | Information related to the publication of a search report (a3 document) modified or deleted |
Free format text: ORIGINAL CODE: 0009199SEPU |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
AK | Designated contracting states |
Designated state(s): AT BE CH DE FR IT LI NL |
|
D17D | Deferred search report published (deleted) | ||
18D | Application deemed to be withdrawn |
Effective date: 19850501 |
|
RIN1 | Information on inventor provided before grant (corrected) |
Inventor name: MUELLER, OTTO, JUN |