FR93773E - Perfectionnements aux circuits électriques comportant un transformateur, par exemple d'alimentation ou d'isolement. - Google Patents
Perfectionnements aux circuits électriques comportant un transformateur, par exemple d'alimentation ou d'isolement.Info
- Publication number
- FR93773E FR93773E FR130392A FR130392A FR93773E FR 93773 E FR93773 E FR 93773E FR 130392 A FR130392 A FR 130392A FR 130392 A FR130392 A FR 130392A FR 93773 E FR93773 E FR 93773E
- Authority
- FR
- France
- Prior art keywords
- transformer
- isolation
- power supply
- electrical circuits
- example power
- 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
- 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
- H02H3/16—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 fault current to earth, frame or mass
- H02H3/162—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 fault current to earth, frame or mass for ac systems
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Emergency Protection Circuit Devices (AREA)
- Relay Circuits (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR86938A FR1504955A (fr) | 1966-12-09 | 1966-12-09 | Perfectionnements aux circuits électriques comportant un transformateur, par exemple d'alimentation ou d'isolement |
GB48394/67A GB1135550A (en) | 1967-10-25 | 1967-10-25 | Improvements in or relating to electric circuit arrangements providing earth leakage protection |
Publications (1)
Publication Number | Publication Date |
---|---|
FR93773E true FR93773E (fr) | 1969-05-16 |
Family
ID=10448455
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR130392A Expired FR93773E (fr) | 1966-12-09 | 1967-11-30 | Perfectionnements aux circuits électriques comportant un transformateur, par exemple d'alimentation ou d'isolement. |
Country Status (3)
Country | Link |
---|---|
US (1) | US3515942A (fr) |
FR (1) | FR93773E (fr) |
GB (1) | GB1135550A (fr) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3700966A (en) * | 1971-05-19 | 1972-10-24 | Paul Morrow | Monitoring circuit for detecting leakage currents |
US3893006A (en) * | 1974-01-14 | 1975-07-01 | Nordson Corp | High voltage power supply with overcurrent protection |
US3917979A (en) * | 1974-03-18 | 1975-11-04 | Borg Warner | Protection circuit for an adjustable motorized hospital bed |
IT1202828B (it) * | 1977-06-23 | 1989-02-09 | Boots Co Ltd | Dispositivo a circuito di prova di connessione a terra |
US4532568A (en) * | 1983-01-28 | 1985-07-30 | Kraus Sr Arthur A | Three-phase leakage protection by electronic control |
US4797772A (en) * | 1987-03-03 | 1989-01-10 | Patton Electric Company, Inc. | Immersion detector circuit interrupter |
US8611057B2 (en) * | 2008-09-09 | 2013-12-17 | Inshore Holdings, Llc | LED module for sign channel letters and driving circuit |
FR2969428B1 (fr) * | 2010-12-21 | 2013-01-04 | St Microelectronics Sa | Commutateur electronique et appareil de communication incluant un tel commutateur |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2027209A (en) * | 1934-03-29 | 1936-01-07 | Gen Electric | Control and protection of electric circuits |
GB446299A (en) * | 1934-11-13 | 1936-04-28 | Kingsway Radio Ltd | Improvements relating to electrical protecting devices |
US3168682A (en) * | 1961-02-10 | 1965-02-02 | Aston L Moore | Supervisory system |
US3287636A (en) * | 1962-07-24 | 1966-11-22 | Charbonnages De France | Method and apparatus including condenser means for measuring the insulation from earth of electrical networks |
-
1967
- 1967-10-25 GB GB48394/67A patent/GB1135550A/en not_active Expired
- 1967-11-17 US US683845A patent/US3515942A/en not_active Expired - Lifetime
- 1967-11-30 FR FR130392A patent/FR93773E/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US3515942A (en) | 1970-06-02 |
GB1135550A (en) | 1968-12-04 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
GB1071669A (en) | Fluid type electrical switches | |
FR93773E (fr) | Perfectionnements aux circuits électriques comportant un transformateur, par exemple d'alimentation ou d'isolement. | |
MY7300386A (en) | Electrical circuit employing transistors | |
FR1504955A (fr) | Perfectionnements aux circuits électriques comportant un transformateur, par exemple d'alimentation ou d'isolement | |
GB1062146A (en) | Power transistor | |
GB1000171A (en) | Electrical power supply | |
CA615180A (en) | A.c. electric supply arrangements | |
AU283522B2 (en) | A direct current transformer circuit | |
AU255525B2 (en) | Circuit arrangements for converting high voltage d. c. power to low voltage a. c. power | |
CA734131A (en) | D. c. transformer for superconductive circuitry | |
AU4740964A (en) | A direct current transformer circuit | |
CA677717A (en) | Transistor power supply from a valve load circuit | |
AU376761A (en) | Circuit arrangements for converting high voltage d. c. power to low voltage a. c. power | |
GB1068236A (en) | Arrangement incorporating a semiconductor switch for regulating the power supplied to load from an a.c. source | |
FR1287994A (fr) | Circuit d'alimentation | |
CA615290A (en) | Electrical transformer | |
CA675298A (en) | Current transformer | |
AU253876B2 (en) | Improvements relating to circuit arrangements employing semiconductor diodes | |
AU267431B2 (en) | Electrically operated continuous steam generator | |
CA692784A (en) | Power rectifier circuit | |
CA688723A (en) | Superconductive circuits | |
CA593884A (en) | Electrical inductance devices | |
CA629661A (en) | Steam boiler installations | |
AU257079B2 (en) | Superconductive transformer | |
CA615852A (en) | Linear indexing mechanism |