GB1597728A - Power supply with overcurrent protection - Google Patents

Power supply with overcurrent protection Download PDF

Info

Publication number
GB1597728A
GB1597728A GB1615279A GB1615279A GB1597728A GB 1597728 A GB1597728 A GB 1597728A GB 1615279 A GB1615279 A GB 1615279A GB 1615279 A GB1615279 A GB 1615279A GB 1597728 A GB1597728 A GB 1597728A
Authority
GB
United Kingdom
Prior art keywords
power
voltage
transformer
pin
capacitor
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
Application number
GB1615279A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bull HN Information Systems Italia SpA
Bull HN Information Systems Inc
Original Assignee
Honeywell Information Systems Italia SpA
Honeywell Information Systems Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from US05/755,393 external-priority patent/US4092711A/en
Priority claimed from US05/755,392 external-priority patent/US4092708A/en
Priority claimed from US05/755,391 external-priority patent/US4055790A/en
Application filed by Honeywell Information Systems Italia SpA, Honeywell Information Systems Inc filed Critical Honeywell Information Systems Italia SpA
Publication of GB1597728A publication Critical patent/GB1597728A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M3/00—Conversion of DC power input into DC power output
    • H02M3/22—Conversion of DC power input into DC power output with intermediate conversion into AC
    • H02M3/24—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters
    • H02M3/28—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC
    • H02M3/325—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal
    • H02M3/335—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
    • H02M3/338—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only in a self-oscillating arrangement
    • H02M3/3385—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only in a self-oscillating arrangement with automatic control of output voltage or current
    • H02M3/3387—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only in a self-oscillating arrangement with automatic control of output voltage or current in a push-pull configuration

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Dc-Dc Converters (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Power Sources (AREA)
  • Direct Current Feeding And Distribution (AREA)
GB1615279A 1976-12-29 1977-11-29 Power supply with overcurrent protection Expired GB1597728A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US05/755,393 US4092711A (en) 1976-12-29 1976-12-29 Power supply with automatic shutdown
US05/755,392 US4092708A (en) 1976-12-29 1976-12-29 Power supply with overcurrent protection
US05/755,391 US4055790A (en) 1976-12-29 1976-12-29 Power supply with base drive control

Publications (1)

Publication Number Publication Date
GB1597728A true GB1597728A (en) 1981-09-09

Family

ID=27419480

Family Applications (4)

Application Number Title Priority Date Filing Date
GB1615279A Expired GB1597728A (en) 1976-12-29 1977-11-29 Power supply with overcurrent protection
GB1615479A Expired GB1597730A (en) 1976-12-29 1977-11-29 Power supply system
GB4967177A Expired GB1597727A (en) 1976-12-29 1977-11-29 Voltage reduction circuits
GB1615379A Expired GB1597729A (en) 1976-12-29 1977-11-29 Mains powered dc supply

Family Applications After (3)

Application Number Title Priority Date Filing Date
GB1615479A Expired GB1597730A (en) 1976-12-29 1977-11-29 Power supply system
GB4967177A Expired GB1597727A (en) 1976-12-29 1977-11-29 Voltage reduction circuits
GB1615379A Expired GB1597729A (en) 1976-12-29 1977-11-29 Mains powered dc supply

Country Status (4)

Country Link
CA (1) CA1108694A (enrdf_load_stackoverflow)
DE (1) DE2755607A1 (enrdf_load_stackoverflow)
FR (1) FR2376547A1 (enrdf_load_stackoverflow)
GB (4) GB1597728A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2248982A (en) * 1990-10-08 1992-04-22 Fuji Electric Co Ltd Switching power supply with overcurrent protection circuit

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1188718B (it) * 1986-05-22 1988-01-28 Neywell Information Systems It Alimentatore a commutazione
DE3623192A1 (de) * 1986-07-10 1988-01-14 Thomson Brandt Gmbh Schaltungsanordnung zur stromversorgung elektronischer geraete
GB9104482D0 (en) * 1991-03-04 1991-04-17 Cooperheat Int Ltd Solid state dc power supply

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3571707A (en) * 1969-04-18 1971-03-23 Nasa Voltage dropout sensor
US3596165A (en) * 1969-07-24 1971-07-27 Tektronix Inc Converter circuit having a controlled output
US3769568A (en) * 1972-07-31 1973-10-30 Bell Telephone Labor Inc Dc-to-dc converter having soft start and other regulation features employing priority of pulse feedback
US3859586A (en) * 1973-09-26 1975-01-07 Bell Telephone Labor Inc Overcurrent protection circuit utilizing peak detection circuit with variable dynamic response
US3918043A (en) * 1974-03-18 1975-11-04 Honeywell Inc Power supply monitor
DE2504511A1 (de) * 1975-02-04 1976-08-05 Licentia Gmbh Schaltungsanordnung zur erzeugung und aufrechterhaltung eines prellfreien alarmsignals

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2248982A (en) * 1990-10-08 1992-04-22 Fuji Electric Co Ltd Switching power supply with overcurrent protection circuit
US5227964A (en) * 1990-10-08 1993-07-13 Fuji Electric Co., Ltd. Switching power supply with overcurrent protection circuit
GB2248982B (en) * 1990-10-08 1994-07-06 Fuji Electric Co Ltd Switching power supply with overcurrent protection circuit

Also Published As

Publication number Publication date
DE2755607A1 (de) 1978-07-13
FR2376547A1 (fr) 1978-07-28
FR2376547B1 (enrdf_load_stackoverflow) 1985-03-29
GB1597727A (en) 1981-09-09
GB1597730A (en) 1981-09-09
CA1108694A (en) 1981-09-08
GB1597729A (en) 1981-09-09
DE2755607C2 (enrdf_load_stackoverflow) 1990-06-13

Similar Documents

Publication Publication Date Title
US4323961A (en) Free-running flyback DC power supply
US5754419A (en) Surge and overcurrent limiting circuit for power converters
US4683529A (en) Switching power supply with automatic power factor correction
US5382893A (en) Maximum power regulated battery charger
US5394017A (en) Circuit for sustaining output power during input power interruption
US4975823A (en) Switched power supply with current mode regulation
US5691889A (en) Controller having feed-forward and synchronization features
EP2383874A2 (en) Apparatus and method for sensing of isolated power converter output
EP2339733A2 (en) Method and apparatus for a switch mode power supply that genarates a high pulse width modulation gain while maintaining low noise sensitivity
EP0149312B1 (en) Dc-dc converter
US9866123B2 (en) Power converter with dynamic preload
US4092711A (en) Power supply with automatic shutdown
US4318168A (en) Over stress sense circuit for flyback power supply
US5748461A (en) SMPS with low load switching frequency stabilization
EP0124210B1 (en) Current driven flyback power supply
US4055790A (en) Power supply with base drive control
US4092708A (en) Power supply with overcurrent protection
US9337714B2 (en) Power converter with fast discharge circuit
US4858052A (en) Method and means for protecting converter circuits
US4794508A (en) PWM control circuit for a non-symmetrical switching power supply
EP0188570A1 (en) Switch-mode power supply
EP0386989B1 (en) A switch mode power supply with burst mode standby operation
GB1597728A (en) Power supply with overcurrent protection
US3898549A (en) Variable duty cycle balanced DC/DC power converter
EP0147040B1 (en) Dc-dc converter

Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee