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Method of phase synchronization between two AC signals 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • H02J-007/00
  • H02M-007/00
출원번호 US-0989689 (1992-12-14)
발명자 / 주소
  • Helfrich Thomas E. (Santa Ana CA)
출원인 / 주소
  • Square D Company (Palatine IL 02)
인용정보 피인용 횟수 : 39  인용 특허 : 0

초록

An uninterruptible power supply for supplying a load with AC output power generates the AC output power from an AC input source when the AC input source is within settable voltage limits and transfers to generating the AC output power from an auxiliary source of DC power when the AC input source is

대표청구항

In an uninterrupted power supply for supplying a load with AC output power wherein said AC output power is generated from an AC input source when said AC input source is within settable voltage limits and transfers to generation of said AC output power from a DC auxiliary power source when said AC i

이 특허를 인용한 특허 (39)

  1. Cook Wayne Kenneth ; Windholz Philip James, AC transfer switch.
  2. Pollmeier Werner (Verl DEX) Schuck Josef (Paderborn-Dahl DEX) Weidner Ernst (Paderborn DEX), Buffered DC power supply system.
  3. Kern, Robert D.; Ruehlow, Gerald C.; Wilcox, Steven J.; Wedel, Francis X.; McLean, Graham; Harrison, Phillip; Zhou, Hongping, Control system for stand-by electrical generator.
  4. Kern, Robert D.; Wilcox, Steven J.; Ruehlow, Gerald C; Wedel, Frank X.; McLean, Graham; Harrison, Phillip; Zhou, Hongping, Control system for stand-by electrical generator.
  5. Henderson, Michael I.; Marcinkiewicz, Joseph G.; Green, Charles E., Controller and method for estimating, managing, and diagnosing motor parameters.
  6. Green, Charles E., Controller and method for minimizing phase advance current.
  7. Green, Charles E.; Marcinkiewicz, Joseph G., Controller and method for transitioning between control angles.
  8. Green, Charles E.; Marcinkiewicz, Joseph G., Controller and method for transitioning between control angles.
  9. Green, Charles E.; Marcinkiewicz, Joseph G., Controller and method for transitioning between control angles.
  10. Green, Charles E.; Marcinkiewicz, Joseph G., Controller and method for transitioning between control angles.
  11. Green, Charles E.; Marcinkiewicz, Joseph G., Controller and method for transitioning between control angles.
  12. Takahashi,Fumikazu; Nemoto, legal representative,Isao; Kanouda,Akihiko; Hamaogi,Masahiro; Takahashi,Yoshihide; Nemoto,Minehiro, DC backup power supply system and disk array using same.
  13. Takahashi, Fumikazu; Nemoto, Minehiro; Nemoto, legal representative, Isao; Kanouda, Akihiko; Hamaogi, Masahiro; Takahashi, Yoshihide, DC backup power supply system, a disk array and a DC backup power supply.
  14. Kino Jiro,JPX ; Tabei Takashi,JPX ; Takahashi Masami,JPX, DC power source apparatus that suppresses harmonics.
  15. Katsuki, Koji; Shiraki, Yasunori, Measuring apparatus, measuring system, electric power supply apparatus, and electric power supply method.
  16. Schluter, Robert; O'Kane, Bernard P.; Walsh, Brendan K.; Kaufer, Steve, Method and apparatus for controlling the power of a transformer using a soft start circuit.
  17. Divan Deepakraj M. (Madison WI) Chandorkar Mukul (Madison WI), Method and apparatus for de-centralized signal frequency restoration in a distributed UPS system.
  18. Green, Charles E.; Marcinkiewicz, Joseph G., Motor drive control using pulse-width modulation pulse skipping.
  19. Green, Charles E.; Marcinkiewicz, Joseph G., Motor drive control using pulse-width modulation pulse skipping.
  20. Ehsan Chitsazan ; John Gary Batson ; Joey Goodroe, Multi-voltage transformer.
  21. Yonezawa, Yu; Nakashima, Yoshiyasu, Power circuit.
  22. Collins, Mark J.; Mattern, Justin R., Power circuit with feed through protection circuit.
  23. Marcinkiewicz, Joseph G.; Skinner, James L.; Green, Charles E.; Powers, John P., Power factor correction with variable bus voltage.
  24. Marcinkiewicz, Joseph G.; Skinner, James L.; Green, Charles E.; Powers, John P., Power factor correction with variable bus voltage.
  25. Marcinkiewicz, Joseph G.; Skinner, James L.; Green, Charles E.; Powers, John P., Power factor correction with variable bus voltage.
  26. Huang, Guan-Xiong; Shie-Ning Wang, Calvin; Huang, Zhen-Qiu, Power transmitting apparatus for digitally controlling voltage and current of alternating current signal.
  27. Galm, James M., Source phase sensitive transfer method and apparatus.
  28. Green, Charles E., System and method for current balancing.
  29. Marcinkiewicz, Joseph G.; Green, Charles E.; Henderson, Michael I., System and method for permanent magnet motor control.
  30. Marcinkiewicz, Joseph G.; Green, Charles E.; Henderson, Michael I., System and method for permanent magnet motor control.
  31. Marcinkiewicz, Joseph G.; Green, Charles E.; Henderson, Michael I., System and method for permanent magnet motor control.
  32. Skinner, James L.; Green, Charles E., System and method for power factor correction.
  33. Green, Charles E., System and method for power factor correction frequency tracking and reference generation.
  34. Green, Charles E., System and method for reducing line current distortion.
  35. Green, Charles E., System and method for rejecting DC current in power factor correction systems.
  36. Ahrendt, Terry L., Tertiary lock system power unit.
  37. Zak Alexander (Ashkelon ILX), Uninterruptible power supply based on non-invasive connection of backup circuit to switch power supply.
  38. Chen, Xian, Uninterruptible power supply with a dual gain voltage regulator controlling an inverter output voltage based on active and reactive components of current.
  39. Fuchs, Benjamin S., Voltage drop compensation for an electric power storage device charging system.
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