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Network-controlled high voltage power supply operating under magnetic field

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5 Author(s)
Matsumoto, H. ; Int. Center for Elementary Particle Phys., Univ. of Tokyo, Japan ; Imori, M. ; Shikaze, Y. ; Fuke, H.
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The article describes a network of high voltage power supplies where the power supplies are controlled and managed through a network. The high voltage power supply incorporates a ceramic transformer which utilizes piezoelectric effects to generate a high voltage. The ceramic transformer is constructed from a ceramic bar and does not include any magnetic material. A high voltage power supply can work without a loss of efficiency under a magnetic field of 1.5 Tesla. The power supply includes feedback to stabilize the high voltage output, supplying from 2000V to 4000V with a load of more than 20 megohm at efficiency higher than 50 percent. The high voltage power supply includes a Neuron chip, a programming device processing a variety of input and output capabilities. The chip can also communicate with other Neuron chips over a twisted-pair cable, which allows establishing a high voltage control network consisting of a number of power supplies that incorporate the chip individually. The functions of the power supply under the control of the chip are managed through the network. The chip turns on and off the high voltage power supply and sets the output high voltage. The chip detects the short circuit of the output high voltage and controls its recovery. The chip also monitors the output current. Thus the high voltage power supplies are monitored and controlled through the network.

Published in:

Nuclear Science Symposium Conference Record, 2001 IEEE  (Volume:2 )

Date of Conference:

4-10 Nov. 2001