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DEVICE AND METHOD OF DIAGNOSING ABNORMALITY OF ELECTROMAGNETIC FIELD GENERATOR IN CONTINUOUS CASTING MACHINE, AND CONTINUOUS CASTING METHOD
DEVICE AND METHOD OF DIAGNOSING ABNORMALITY OF ELECTROMAGNETIC FIELD GENERATOR IN CONTINUOUS CASTING MACHINE, AND CONTINUOUS CASTING METHOD
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机译:连铸机电磁场发生器异常诊断的装置,方法及连铸方法
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摘要
PROBLEM TO BE SOLVED: To provide a device of diagnosing abnormality of an electromagnetic field generator in a continuous casting machine which can conduct insulation diagnosis of an electromagnetic coil of an electromagnetic field generator installed in a continuous casting machine in a short period, and to provide a continuous casting method.;SOLUTION: The starting timing for next casting when the application of electromagnetic field by an electromagnetic coil 15 becomes unnecessary is detected by detecting that a cast slab 7 is taken out from a mold 4 as an electromagnetic field application region by the electromagnetic coil 15 while a continuous casting machine 1 is operated. The connection between the electromagnetic coil 15 and a power supply 17 for generating electromagnetic field is cut at the timing, and constant d.c. voltage (test voltage) is applied to the electromagnetic coil 15 by a d.c. voltage generator 21 and insulation test for the electromagnetic coil 15 is conducted.;COPYRIGHT: (C)2013,JPO&INPIT
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