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Circuit for supplying sensors and IGBT gate drivers has auxiliary voltages produced with one pole connected to variable reference potential, two others supplied with current by external elements
Circuit for supplying sensors and IGBT gate drivers has auxiliary voltages produced with one pole connected to variable reference potential, two others supplied with current by external elements
The measurement sensors and IGBT gate drivers lie at a variable reference potential between positive and negative threshold values. The arrangement supplies them from a power stage of current converters in other electronic equipment. The required auxiliary voltages are produced with three poles, one terminal being connected to the variable reference potential and the others supplied with currents from external elements.
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