GB2000398B - Improvements relating to power supply circuits for functional apparatus which is used in conjunction with mains powered earthed electrical installations or devices - Google Patents
Improvements relating to power supply circuits for functional apparatus which is used in conjunction with mains powered earthed electrical installations or devicesInfo
- Publication number
- GB2000398B GB2000398B GB7826489A GB7826489A GB2000398B GB 2000398 B GB2000398 B GB 2000398B GB 7826489 A GB7826489 A GB 7826489A GB 7826489 A GB7826489 A GB 7826489A GB 2000398 B GB2000398 B GB 2000398B
- Authority
- GB
- United Kingdom
- Prior art keywords
- conjunction
- power supply
- devices
- supply circuits
- improvements relating
- 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.)
- Expired
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H1/00—Details of emergency protective circuit arrangements
- H02H1/06—Arrangements for supplying operative power
-
- 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
- H02H3/334—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 to produce an artificial unbalance for other protection or monitoring reasons or remote control
-
- 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
- H02H3/338—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 also responsive to wiring error, e.g. loss of neutral, break
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Emergency Protection Circuit Devices (AREA)
- Rectifiers (AREA)
- Compositions Of Oxide Ceramics (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
- Lubrication Of Internal Combustion Engines (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NLAANVRAGE7706569,A NL176508C (en) | 1977-06-14 | 1977-06-14 | NUTRITION EQUIPMENT FOR A PROTECTION DEVICE, SUCH AS AN EARTH DETECTION DEVICE, AND PROTECTION EQUIPMENT EQUIPPED WITH SUCH A NUTRITION EQUIPMENT. |
Publications (2)
Publication Number | Publication Date |
---|---|
GB2000398A GB2000398A (en) | 1979-01-04 |
GB2000398B true GB2000398B (en) | 1982-05-26 |
Family
ID=19828725
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB7826489A Expired GB2000398B (en) | 1977-06-14 | 1978-06-07 | Improvements relating to power supply circuits for functional apparatus which is used in conjunction with mains powered earthed electrical installations or devices |
Country Status (14)
Country | Link |
---|---|
JP (1) | JPS5418051A (en) |
AT (1) | AT360107B (en) |
AU (1) | AU521159B2 (en) |
BE (1) | BE867928A (en) |
CH (1) | CH650619A5 (en) |
DE (1) | DE2825881C2 (en) |
DK (1) | DK150056C (en) |
ES (1) | ES470730A1 (en) |
FR (1) | FR2394911A1 (en) |
GB (1) | GB2000398B (en) |
IT (1) | IT1096644B (en) |
NL (1) | NL176508C (en) |
NO (1) | NO149405C (en) |
SE (1) | SE7806879A0 (en) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2855923A1 (en) * | 1978-12-23 | 1980-07-10 | Schutzapparate Paris & Co | CIRCUIT ARRANGEMENT FOR GENERATING A POWER SUPPLY DERIVED FROM A MULTIPLE WIRE NETWORK FOR RECTIFIER CURRENT SWITCHES BY RECTIFIER |
DE2938124A1 (en) * | 1979-09-20 | 1981-04-09 | Siemens AG, 1000 Berlin und 8000 München | CIRCUIT ARRANGEMENT, ESPECIALLY FOR MULTIPOLAR FAULT CURRENT CIRCUIT BREAKERS |
FR2549287B1 (en) * | 1983-07-13 | 1988-07-29 | Etude Realisation Disjoncteurs | DEVICE FOR DIFFERENTIAL CIRCUIT BREAKER FOR MAINTAINING PROTECTION IN THE EVENT OF NEUTRAL CUT |
JPS60108230U (en) * | 1983-12-27 | 1985-07-23 | 永大産業株式会社 | Furniture for storing goods |
AT383906B (en) * | 1985-04-16 | 1987-09-10 | Cti Ges Zur Pruefung Elektrote | Fault current protection switch for fault change and fault current |
FR2624646B1 (en) * | 1987-12-10 | 1994-03-04 | Merlin Et Gerin | |
IE880341L (en) * | 1988-02-08 | 1989-08-08 | Patrick Ward | Ground fault current interrupter circuit |
DE69015640T2 (en) * | 1989-04-19 | 1995-05-24 | Square D Co | A POWER SUPPLY. |
US4994933A (en) * | 1989-04-19 | 1991-02-19 | Square D Company | Ground fault circuit interrupter having loss of neutral or loss of ground protection |
US4933801A (en) * | 1989-04-19 | 1990-06-12 | Square D Company | Ground fault circuit interrupter |
CA2093061C (en) * | 1992-07-22 | 2005-02-15 | Raymond H. Legatti | Leakage current protection device adapted to a wide variety of domestic and international applications |
ZA94924B (en) * | 1993-07-09 | 1994-08-24 | Circuit Breaker Ind | An earth leakage unit |
NZ547604A (en) * | 2006-05-30 | 2008-09-26 | John Talbot Boys | Inductive power transfer system pick-up circuit |
JP5793132B2 (en) * | 2012-11-29 | 2015-10-14 | 京セラドキュメントソリューションズ株式会社 | Earth leakage breaker and image forming apparatus |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1107879A (en) * | 1964-04-17 | 1968-03-27 | J A Crabtree Proprietary Ltd | Improvements in or relating to earth leakage protection devices |
-
1977
- 1977-06-14 NL NLAANVRAGE7706569,A patent/NL176508C/en not_active IP Right Cessation
-
1978
- 1978-06-07 GB GB7826489A patent/GB2000398B/en not_active Expired
- 1978-06-08 BE BE1008920A patent/BE867928A/en not_active IP Right Cessation
- 1978-06-12 IT IT24484/78A patent/IT1096644B/en active
- 1978-06-12 DK DK261078A patent/DK150056C/en not_active IP Right Cessation
- 1978-06-13 AT AT430578A patent/AT360107B/en not_active IP Right Cessation
- 1978-06-13 DE DE2825881A patent/DE2825881C2/en not_active Expired
- 1978-06-13 ES ES470730A patent/ES470730A1/en not_active Expired
- 1978-06-13 AU AU37057/78A patent/AU521159B2/en not_active Expired
- 1978-06-13 NO NO782058A patent/NO149405C/en unknown
- 1978-06-13 CH CH6428/78A patent/CH650619A5/en not_active IP Right Cessation
- 1978-06-14 FR FR7817837A patent/FR2394911A1/en active Granted
- 1978-06-14 SE SE7806879A patent/SE7806879A0/en unknown
- 1978-06-14 JP JP7199878A patent/JPS5418051A/en active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1107879A (en) * | 1964-04-17 | 1968-03-27 | J A Crabtree Proprietary Ltd | Improvements in or relating to earth leakage protection devices |
Also Published As
Publication number | Publication date |
---|---|
DK261078A (en) | 1978-12-15 |
FR2394911A1 (en) | 1979-01-12 |
AU521159B2 (en) | 1982-03-18 |
DK150056C (en) | 1987-05-11 |
FR2394911B1 (en) | 1984-11-02 |
NL176508C (en) | 1985-04-16 |
DE2825881A1 (en) | 1979-01-04 |
NL176508B (en) | 1984-11-16 |
DK150056B (en) | 1986-11-24 |
NO149405C (en) | 1984-04-11 |
AU3705778A (en) | 1979-12-20 |
NO782058L (en) | 1978-12-15 |
BE867928A (en) | 1978-12-08 |
GB2000398A (en) | 1979-01-04 |
AT360107B (en) | 1980-12-29 |
JPS6149888B2 (en) | 1986-10-31 |
IT1096644B (en) | 1985-08-26 |
DE2825881C2 (en) | 1984-12-20 |
NL7706569A (en) | 1978-12-18 |
IT7824484A0 (en) | 1978-06-12 |
ES470730A1 (en) | 1979-10-16 |
NO149405B (en) | 1984-01-02 |
CH650619A5 (en) | 1985-07-31 |
SE7806879A0 (en) | 1978-12-15 |
ATA430578A (en) | 1980-05-15 |
JPS5418051A (en) | 1979-02-09 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PE20 | Patent expired after termination of 20 years |
Effective date: 19980606 |