Electric power conversion systems – Current conversion – Having plural converters for single conversion
Patent
1992-11-20
1995-07-18
Sterrett, Jeffrey L.
Electric power conversion systems
Current conversion
Having plural converters for single conversion
363 27, 363 71, 363136, H02M 3315
Patent
active
054347700
ABSTRACT:
A relatively small and compact high voltage, high current power supply for a laser utilizes a plurality of modules containing series resonant half bridge inverters. A pair of reverse conducting thyristors are incorporated in each series resonant inverter module such that the series resonant inverter modules are sequentially activated in phases 360.degree.
apart, where n=number of modules for n>2. Selective activation of the modules allows precise output control reducing ripple and improving efficiency. Each series resonant half bridge inverter module includes a transformer which has a cooling manifold for actively circulating a coolant such as water, to cool the transformer core as well as selected circuit elements. Conductors connecting and forming various circuit components comprise hollow, electrically conductive tubes such as copper. Coolant circulates through the tubes to remove heat. The conductive tubes act as electrically conductive lines for connecting various components of the power supply. Where it is desired to make electrical isolation breaks, tubes comprised of insulating material such as nylon are used to provide insulation and continue the fluid circuit.
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Dreifuerst Gary R.
Merritt Bernard T.
Moser William R.
Sartorio Henry
Sterrett Jeffrey L.
United States Department of Energy
Valdes Miguel A.
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