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Shunt circuit for reducing audible noise at low loading conditions of a power supply employing a high frequency resonant 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • H02J-009/00
  • H02M-003/335
출원번호 US-0437640 (1989-11-13)
발명자 / 주소
  • Widener Steven R. (Raleigh NC) Oughton George W. (Raleigh NC)
출원인 / 주소
  • Exide Electronics (Raleigh NC 02)
인용정보 피인용 횟수 : 44  인용 특허 : 0

초록

A power supply including a resonant converter is provided with current shunt. The current shunt automatically shunts a portion of current flowing in the resonant converter at light loading of the power supply such that output current flowing in an output circuit connected to the power supply would b

대표청구항

A power supply for supplying power to an output circuit comprising: a resonant converter having an operating frequency which increases with increases in load current delivered to the output circuit by the power supply, the load current flowing through said resonant converter to the output circuit; a

이 특허를 인용한 특허 (44)

  1. Kammiller Neil A., Active clamp used to maintain proper current transformer operation.
  2. VanGilder, James William; Healey, Christopher M.; Zhang, Xuanhang, Analysis of effect of transient events on temperature in a data center.
  3. Mekanik Fereydoun ; Kennedy Brian M. ; Osterman Thomas S., Apparatus and methods for generating an AC power signal for cable tv distribution systems.
  4. Mekanik Fereydoun (Bellingham WA) Sorenson Donald C. (Lynden WA) Zediker Gregory S. (Blaine WA) Osterman Thomas S. (Bainbridge Island WA), Apparatus and methods for generating uninterruptible AC power signals.
  5. Kammiller Neil A. (Lorain OH), Circuitry to maintain proper current transformer operation.
  6. Le, Thanh; Richardson, James; Datzov, Litcho, Ferroresonant transformer for use in uninterruptible power supplies.
  7. Le, Thanh; Richardson, James; Datzov, Litcho, Ferroresonant transformer for use in uninterruptible power supplies.
  8. Schlecht, Martin F., High efficiency power converter.
  9. Schlecht, Martin F., High efficiency power converter.
  10. Schlecht, Martin F., High efficiency power converter.
  11. Schlecht, Martin F., High efficiency power converter.
  12. Schlecht, Martin F., High efficiency power converter.
  13. Mekanik Fereydoun, Inverter/charger circuit for uninterruptible power supplies.
  14. Mutabdzija, Srdan; Demissie, Eyob; Masciarelli, Francis J.; Falcinelli, Michael, Method and apparatus for monitoring energy storage devices.
  15. Masciarelli, Francis J.; Mutabdzija, Srdan; Demissie, Eyob; Ingemi, Michael J.; Charlantini, Donald Lee, Methods and apparatus for providing uninterruptible power.
  16. Masciarelli, Francis J.; Mutabdzija, Srdan; Demissie, Eyob; Ingemi, Michael J.; Charlantini, Donald Lee, Methods and apparatus for providing uninterruptible power.
  17. Masciarelli, Francis J.; Mutabdzija, Srdan; Demissie, Eyob; Ingemi, Michael J.; Charlantini, Donald Lee, Methods and apparatus for providing uninterruptible power.
  18. Masciarelli,Francis J.; Mutabdzija,Srdan; Demissie,Eyob; Ingemi,Michael J.; Charlantini,Donald Lee, Methods and apparatus for providing uninterruptible power.
  19. Briggs, James; Schuttler, David; Mutabdzija, Srdan; Falcinelli, Michael, Modular UPS.
  20. Briggs, James; Schuttler, David; Mutabdzija, Srdan; Falcinelli, Michael, Modular UPS.
  21. Briggs,James; Schuttler,David; Mutabdzija,Srdan; Falcinelli,Michael, Modular UPS.
  22. Bees George L. (Framingham MA), Parallel resonant capacitor charging power supply operating above the resonant frequency.
  23. Faley, Brian; LeBow, David; Bhatt, Pankaj H., Power control systems and methods.
  24. Vinciarelli, Patrizio; D'Amico, Andrew, Power distribution architecture with series-connected bus converter.
  25. Raddi William J. ; Paulakonis Joseph C. ; Johnson ; Jr. Robert W., Power factor corrected UPS maintaining neutral integrity and methods of operation thereof.
  26. Raddi, William J.; Paulakonis, Joseph C.; Johnson, Jr., Robert W., Power factor corrected UPS with improved connection of battery to neutral.
  27. Raddi, William J.; Paulakonis, Joseph C.; Johnson, Jr., Robert W., Power factor corrected UPS with improved connection of battery to neutral.
  28. Raddi,William J.; Paulakonis,Joseph C.; Johnson, Jr.,Robert W., Power factor corrected UPS with improved connection of battery to neutral.
  29. William J. Raddi ; Joseph C. Paulakonis ; Robert W. Johnson, Jr., Power factor corrected UPS with improved connection of battery to neutral.
  30. Raddi, William J.; Paulakonis, Joseph C.; Johnson, Jr., Robert W., Power factor corrected UPS with improved connection of battery to neutral and methods of operation thereof.
  31. Dooley, Kevin Allan, Power inverter and method.
  32. Hickman Kevin,GBX, Regulated resonant converter.
  33. Loef, Christoph; Hattrup, Christian; Scheel, Thomas; Maertens, Olaf; Ossmann, Martin, Resonant switched mode power supply system.
  34. Oughton ; Jr. George W. (Raleigh NC) Widener Steven (Raleigh NC), Series/parallel resonant converter.
  35. Peck, Tobias M.; Carpenter, Jonathan D.; Thompson, Donald L.; Foster, Mike L., Status monitoring cables for generators.
  36. Tarnow, Andrew Colin; Bennett, Adam Carr; Murphy, Edward Michael, Switching ground tether circuit.
  37. Richardson, James Patrick; Le, Than Quoc, Switching systems and methods for use in uninterruptible power supplies.
  38. Richardson, James Patrick; Le, Thanh Quoc, Switching systems and methods for use in uninterruptible power supplies.
  39. Williams Martin A. ; Widener Austin L. ; Wilson Michael A., System and method for regulating power in tank circuits having a bridge configuration.
  40. Oughton ; Jr. George W., Systems and methods for producing standby uninterruptible power for AC loads using rectified AC and battery.
  41. Small Kenneth T. (17595 Montebello Rd. Cupertino CA 95014), Tolerant power converter.
  42. Heidenreich, James Joseph; Roybal, Ronald Jay; Le, Thanh Quoc; Bhatt, Pankaj H., Uninterruptible power supplies for use in a distributed network.
  43. Heidenreich, James Joseph; Roybal, Ronald Jay; Le, Thanh Quoc; Bhatt, Pankaj H., Uninterruptible power supplies for use in a distributed network.
  44. Matsuda, Kensaku; Yamamoto, Manabu, Uniterruptible power supply and its starting method.
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