中国农大网络作业微机继电保(第二套)(Microcomputer relay protection for network operation of China Agricultural University (second sets)).docVIP

中国农大网络作业微机继电保(第二套)(Microcomputer relay protection for network operation of China Agricultural University (second sets)).doc

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中国农大网络作业微机继电保(第二套)(Microcomputer relay protection for network operation of China Agricultural University (second sets))

中国农大网络作业微机继电保(第二套)(Microcomputer relay protection for network operation of China Agricultural University (second sets)) Second sets You have passed the set of assignments, please refer to the correct answer 1 、 the flexibility of microcomputer protection is due to (A) plug-in replacement (B) software determines protection characteristics (C), simple installation (D), and high hardware integration B, your answer: B -------------------------------------------------------------------------------- 2, FLASH, memory belong to () (A) microcomputer master system (B), data acquisition system (C), open quantity system (D), discharge system A, your answer: A -------------------------------------------------------------------------------- 3 which of the following quantities is analog? (A) breaker auxiliary contact (B) gas protection contact (C) power supply switching signal (D) voltage; D, your answer: D -------------------------------------------------------------------------------- 4. Convert current into voltage devices (A) reactance converter (B), current transformer (C), A/D converter (D), voltage frequency converter B, your answer: B -------------------------------------------------------------------------------- 5. The function of the shielding layer of the intermediate converter is () (A) filter differential mode interference (B), filter common mode interference (C), filter DC (D), and limit input amplitude B, your answer: B -------------------------------------------------------------------------------- 6, the sample holder can be used during AD conversion (A) filter high frequency components (B), suppress interference (C), guarantee analog constant (D), and implement impedance transformation C, your answer: C -------------------------------------------------------------------------------- 7 、 analog volume multiplexer switch can () (A) prevent misoperation (B) to achieve electrical isolation (C) converting multiple analog quantities (D) at the same time, converting mu

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