Power supply

Details Power supply Power supply

B - Operations, Transporting

03

C

323/30, 323/4

B03C 5/02 (2006.01) H02M 3/28 (2006.01) H02M 3/337 (2006.01)

Patent

CA 1316980

Abstract Of The Disclosure A high magnitude electrostatic potential supply is coupled to a utilization device. The electrostatic potential supply comprises an operating potential source (+Vcc), a transformer (122) having primary (156) and secondary (172) windings, and a resonant frequency, and a high potential rectifier and multiplier (124). The` operating potential source (+Vcc) is coupled to the primary winding (156) and the high voltage rectifier and multiplier (124) is coupled to the secondary winding (172). The electrostatic potential supply also includes a phase comparator (110) having first and second inputs, and a voltage controlled oscillator (114) having a free running frequency of substantially the transformer (122) resonant frequency. The secondary winding (172) is coupled (126) to the first input of the phase comparator (110) and a stage (114) in the primary (156) circuit (110, 112, 114, 116, 118, 120-1, 2) is coupled to the second input of the phase comparator (110). The phase comparator (110) generates a control signal related to the frequency difference between the signal from the secondary winding (172) and the signal from the primary circuit (110, 112, 114, 116, 118, 102-1, 2). The output of the phase comparator (110) is coupled (112) to the input of the voltage controlled oscillator (114) to synchronize the voltage controlled oscillator (114) output frequency substantially with the frequency of the signal from the secondary winding (172). The voltage controlled oscillator (114) is coupled (116, 118, 120-1, 2) through the primary circuit (110, 112, 114, 116, 118, 120-1, 2) to the primary winding (156) to maintain the operating frequency of the transformer (122) substantially at its resonant frequency.

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