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method and device for determining the density of a isoliergases in electric plant
method and device for determining the density of a isoliergases in electric plant
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机译:电厂中等离子气体密度的测定方法和装置
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摘要
The method involves measuring the temperature in the vicinity of the parts by temperature sensor (36). Current is then passed through the apparatus, measured by current sensor (34) and the temperature rise of the gas above the reference temperature determined on the basis of previous testing or a mathematical model. Data are processed by microprocessor (31). The gas temperature is computed by adding the reference temperature and temperature rise, using data from thermal imaging probe (38). The pressure inside the apparatus is measured by pressure sensor (32A). The gas density is computed from tabulated data of equations of state of the gas.
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