CH628441A5 - Strommess-schaltungsanordnung und verwendung derselben in einem fehlerstromschutzschalter. - Google Patents
Strommess-schaltungsanordnung und verwendung derselben in einem fehlerstromschutzschalter. Download PDFInfo
- Publication number
- CH628441A5 CH628441A5 CH844277A CH844277A CH628441A5 CH 628441 A5 CH628441 A5 CH 628441A5 CH 844277 A CH844277 A CH 844277A CH 844277 A CH844277 A CH 844277A CH 628441 A5 CH628441 A5 CH 628441A5
- Authority
- CH
- Switzerland
- Prior art keywords
- circuit
- current
- voltage
- arrangement according
- winding
- Prior art date
Links
- 238000004804 winding Methods 0.000 claims description 71
- 239000003990 capacitor Substances 0.000 claims description 21
- 230000005284 excitation Effects 0.000 claims description 18
- 238000001514 detection method Methods 0.000 claims description 16
- 230000006698 induction Effects 0.000 claims description 3
- 238000013459 approach Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 24
- 238000005259 measurement Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 6
- 230000008859 change Effects 0.000 description 5
- 230000007423 decrease Effects 0.000 description 5
- 230000003321 amplification Effects 0.000 description 3
- 238000003199 nucleic acid amplification method Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000004913 activation Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 230000005415 magnetization Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 230000003071 parasitic effect Effects 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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
- H02H3/32—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 corresponding points in different conductors of a single system, e.g. of currents in go and return conductors
- H02H3/33—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 corresponding points in different conductors of a single system, e.g. of currents in go and return conductors using summation current transformers
- H02H3/332—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 corresponding points in different conductors of a single system, e.g. of currents in go and return conductors using summation current transformers with means responsive to DC component in the fault current
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/18—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using conversion of DC into AC, e.g. with choppers
- G01R19/20—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using conversion of DC into AC, e.g. with choppers using transductors, i.e. a magnetic core transducer the saturation of which is cyclically reversed by an AC source on the secondary side
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Current Or Voltage (AREA)
- Emergency Protection Circuit Devices (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL7607752A NL185241C (nl) | 1976-07-13 | 1976-07-13 | Stroommeetsysteem. |
| NL7706317A NL190969C (nl) | 1976-07-13 | 1977-06-08 | Stroommeetsysteem. |
| NL7706316A NL7706316A (en) | 1976-07-13 | 1977-06-08 | Current measuring system with earthing detector - includes differential amplifier with positive and negative feedback loops and current measuring resistor in negative loop |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH628441A5 true CH628441A5 (de) | 1982-02-26 |
Family
ID=27352015
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH844277A CH628441A5 (de) | 1976-07-13 | 1977-07-08 | Strommess-schaltungsanordnung und verwendung derselben in einem fehlerstromschutzschalter. |
Country Status (13)
| Country | Link |
|---|---|
| US (1) | US4293813A (Direct) |
| JP (1) | JPS5945106B2 (Direct) |
| AT (1) | AT364018B (Direct) |
| BE (1) | BE856056A (Direct) |
| CH (1) | CH628441A5 (Direct) |
| DE (1) | DE2730874C2 (Direct) |
| DK (1) | DK147215C (Direct) |
| ES (1) | ES460665A1 (Direct) |
| FR (1) | FR2361663A1 (Direct) |
| GB (1) | GB1582035A (Direct) |
| IT (1) | IT1077324B (Direct) |
| NO (1) | NO148046C (Direct) |
| SE (1) | SE421352B (Direct) |
Families Citing this family (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3007227A1 (de) * | 1980-02-27 | 1981-10-22 | Schupa Elektro-GmbH + Co KG, 5885 Schalksmühle | Hochempfindlicher, allstromsensitiver fehlerstromschutzschalter |
| US4371832A (en) * | 1980-05-27 | 1983-02-01 | Wilson Gerald L | DC Ground fault detector wherein fault is sensed by noting imbalance of magnetic flux in a magnetic core |
| US4322769A (en) * | 1980-12-22 | 1982-03-30 | International Business Machines Corporation | Electric switch operation monitoring circuitry |
| CH660254A5 (de) * | 1983-07-20 | 1987-03-31 | Landis & Gyr Ag | Stromwandler mit fehlerkompensation. |
| AT383906B (de) * | 1985-04-16 | 1987-09-10 | Cti Ges Zur Pruefung Elektrote | Fehlerstromschutzschalter fuer fehlerwechselund fehlergleichstroeme |
| NL8602145A (nl) * | 1986-08-22 | 1988-03-16 | Holec Syst & Componenten | Meetschakeling voor continue, nauwkeurige meting van gelijk- en wisselstroom. |
| JPS63162605U (Direct) * | 1987-04-14 | 1988-10-24 | ||
| JP3286431B2 (ja) * | 1993-10-12 | 2002-05-27 | 住友特殊金属株式会社 | 直流電流センサー |
| US6388435B1 (en) * | 1998-12-31 | 2002-05-14 | General Electric Company | Methods and apparatus for voltage measurement |
| US6603301B2 (en) * | 2001-07-26 | 2003-08-05 | Agilent Technologies, Inc. | Multiple range current measurement system with low power dissipation, fast setting time, and low common mode voltage error |
| DE10208941C1 (de) * | 2002-02-28 | 2003-06-05 | Dbt Autom Gmbh | Verfahren und Schaltungsanordnung zum Messen von Erdschlüssen in eigensicheren Stromzuführungen |
| FR2894034B1 (fr) * | 2005-11-28 | 2008-01-18 | Renault Sas | Mesure deportee du courant traversant une charge |
| IES20100604A2 (en) | 2010-09-21 | 2011-06-08 | Shakira Ltd | DC & AC current detection circuit |
| JP5702592B2 (ja) * | 2010-12-14 | 2015-04-15 | 富士電機株式会社 | 電流検知装置 |
| JP2012233718A (ja) * | 2011-04-28 | 2012-11-29 | Fuji Electric Fa Components & Systems Co Ltd | 電流検出装置 |
| DE102011089606A1 (de) * | 2011-12-22 | 2013-06-27 | Ge Energy Power Conversion Gmbh | Verfahren zum Betreiben einer elektrischen Schaltung |
| JP2014130061A (ja) * | 2012-12-28 | 2014-07-10 | Fuji Electric Fa Components & Systems Co Ltd | 直流電流検知装置 |
| US11372056B2 (en) * | 2020-05-26 | 2022-06-28 | Sandisk Technologies Llc | Circuit for detecting pin-to-pin leaks of an integrated circuit package |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3768011A (en) * | 1970-06-09 | 1973-10-23 | W Swain | Means for measuring magnitude and direction of a direct current or permanent magnet, including clip-on direct current sensing inductor |
-
1977
- 1977-06-23 BE BE1008220A patent/BE856056A/xx not_active IP Right Cessation
- 1977-06-29 GB GB27220/77A patent/GB1582035A/en not_active Expired
- 1977-06-30 SE SE7707606A patent/SE421352B/xx not_active IP Right Cessation
- 1977-07-06 AT AT0482877A patent/AT364018B/de not_active IP Right Cessation
- 1977-07-08 CH CH844277A patent/CH628441A5/de not_active IP Right Cessation
- 1977-07-08 DE DE2730874A patent/DE2730874C2/de not_active Expired
- 1977-07-08 DK DK310277A patent/DK147215C/da not_active IP Right Cessation
- 1977-07-12 NO NO772476A patent/NO148046C/no unknown
- 1977-07-12 IT IT25654/77A patent/IT1077324B/it active
- 1977-07-12 ES ES460665A patent/ES460665A1/es not_active Expired
- 1977-07-13 FR FR7721755A patent/FR2361663A1/fr active Granted
- 1977-07-13 JP JP52084021A patent/JPS5945106B2/ja not_active Expired
-
1979
- 1979-02-22 US US06/014,089 patent/US4293813A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| DK147215C (da) | 1984-10-29 |
| NO772476L (no) | 1978-01-16 |
| JPS5331176A (en) | 1978-03-24 |
| DE2730874C2 (de) | 1983-05-05 |
| JPS5945106B2 (ja) | 1984-11-02 |
| NO148046C (no) | 1983-08-03 |
| SE421352B (sv) | 1981-12-14 |
| SE7707606L (sv) | 1978-01-14 |
| GB1582035A (en) | 1980-12-31 |
| FR2361663A1 (fr) | 1978-03-10 |
| NO148046B (no) | 1983-04-18 |
| ES460665A1 (es) | 1978-11-16 |
| US4293813A (en) | 1981-10-06 |
| FR2361663B1 (Direct) | 1983-06-17 |
| DE2730874A1 (de) | 1978-02-02 |
| BE856056A (nl) | 1977-12-23 |
| AT364018B (de) | 1981-09-25 |
| DK310277A (da) | 1978-01-14 |
| ATA482877A (de) | 1981-02-15 |
| IT1077324B (it) | 1985-05-04 |
| DK147215B (da) | 1984-05-14 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased |