由晶闸管构成的逆变器换流方式有 ________ 。 -题库考试答案搜索网

由晶闸管构成的逆变器换流方式有 ________ 。

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2022-04-02 12:51

A、<span style=";font-family:宋体;font-size:14px">器件换流</span>
B、<span style=";font-family:宋体;font-size:14px">电网换流</span>
C、<span style=";font-family:宋体;font-size:14px">负载换流</span>
D、<span style=";font-family:宋体;font-size:14px">强迫换流</span>

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正确答案

BCD

试题解析

标签：黑龙江省教育学院电气工程及自动化（函授）专升本电力电子技术平时作业2

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设t=2，b=3，c=4，d=5，则下面语句输出的是（）。 Print3>2*b Or a=c And bc Or c>d

翻译：With Average or With Particular Average（WA or WPA）（）

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逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

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