Cascaded transformerless DC-DC voltage amplifier with optically

Details Cascaded transformerless DC-DC voltage amplifier with optically Cascaded transformerless DC-DC voltage amplifier with optically

1991-10-22

1993-01-12

Beha, Jr., William H.

Electrical transmission or interconnection systems

Capacitor

Parallel-charge, series-discharge

363 60, H02M 307

Patent

active

051792893

ABSTRACT:
A very high voltage amplifier in which plural cascaded banks of capacitors are switched by optically isolated control switches so as to be charged in parallel from the preceding stage or capacitor bank and to discharge in series to the succeeding stage or capacitor bank in alternating control cycles. The optically isolated control switches are controlled by a logic controller whose power supply is virtually immune to interference from the very high voltage output of the amplifier by the optical isolation provided by the switches, so that a very high voltage amplification ratio may be attained using many capacitor banks in cascade.

REFERENCES:
patent: 2631249 (1953-03-01), Smith
patent: 4900947 (1990-02-01), Weiner et al.

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