APPARATUS FOR HEATING BY ELECTROMAGNETIC INDUCTION, IN PARTICULAR INDUCTION HEATING OR INDUCTION FURNACE
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United States of America Patent
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Issued Date -
Mar 6, 2014
app pub date -
Mar 12, 2013
filing date -
Aug 28, 2012
priority date (Note) -
Abandoned
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Abstract
An apparatus for heating by electromagnetic induction heating e.g., for heating silicon carbide, with a first power supply arrangement (1) having an output with two terminals (11, 12), with a second power supply arrangement (2) for providing an n-phase multi-phase AC voltage at n outputs, each output having two terminals (21, 22, 23). The phase shift between the chained voltages (U12, U21) of the n-phase multi-phase AC voltage provided at output side of second power supply arrangement is 360°/n. The n outputs of the second power supply arrangement (2) form a chain: two terminals are assigned to n-2 outputs, in two outputs of the n outputs have only one terminal (22), which is also associated with another output, whereas the other terminals (21, 23) of these two outputs are associated only with one output and wherein these terminals (21, 23) form the beginning and the end of the chain.
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