20春学期《电力电子电路》在线平时作业3

adminhan · 发表于 2020-8-8 19:00:45

全控型电力电子器件有（    ）。<o:p></o:p>
A:Power Diode、P-MOSFET、SIT、IGBT<o:p></o:p>
B:P-MOSFET、IGBT、GTR、GTO<o:p></o:p>
C:  SITH、MCT、Thyristor、GTO<o:p></o:p>
D: IGCT、GTO、TRIAC、IPM<o:p></o:p>

  功率晶体管三个电极分别为(                            )。<o:p></o:p>
A:发射极，基极，集电极；<o:p></o:p>
B:第一基极，发射极，第二基极；<o:p></o:p>
C:源极，栅极，漏极；<o:p></o:p>
D: 阴极，门极，阳极。<o:p></o:p>

  单相半波可控整流电路一共有（    ）只晶闸管。<o:p></o:p>
A:1
B:2
C:3
D:4

  三相半波可控整流电路，电阻性负载，脉冲的移相范围是（    ）。<o:p></o:p>
A:90°<o:p></o:p>
B:120°<o:p></o:p>
C:150°<o:p></o:p>
D:180°<o:p></o:p>

   绝缘栅双极晶体管IGBT三个电极分别为(                        )。<o:p></o:p>
A:发射极，基极，集电极；<o:p></o:p>
B:发射极，栅极，集电极；<o:p></o:p>
C:源极，栅极，漏极；<o:p></o:p>
D:阴极，门极，阳极。<o:p></o:p>

  晶闸管的额定电压是（   ）。<o:p></o:p>
A:断态重复峰值电压<o:p></o:p>
B: 反向重复峰值电压<o:p></o:p>
C: A和B中较大者<o:p></o:p>
D:A和B中较小者<o:p></o:p>

  两组晶闸管反并联电路，一共有（     ）。<o:p></o:p>
A:两种工作状态<o:p></o:p>
B:三种工作状态<o:p></o:p>
C:四种工作状态<o:p></o:p>
D:以上各种状态<o:p></o:p>

  可控整流电路中的晶闸管在(                            )换流。<o:p></o:p>
A:通电时
B:断电时<o:p></o:p><o:p></o:p>
C:触发时<o:p></o:p>
D:电压过零时<o:p></o:p>

  单结晶体管三个电极分别为(                            )。<o:p></o:p>
A:发射极，基极，集电极；<o:p></o:p>
B:第一基极，发射极，第二基极；<o:p></o:p>
C:源极，栅极，漏极；<o:p></o:p>
D:阴极，门极，阳极。<o:p></o:p>

   电压与电流波形相同的是（   ）。<o:p></o:p>
A: 三相半波整流电路，电阻性负载<o:p></o:p>
B:三相半波整流电路，电感性负载<o:p></o:p>
C:单相全控桥式整流电路，电感性负载<o:p></o:p>
D:带续流二极管的单相半控桥式整流电路，电感性负载<o:p></o:p>

   考虑变压器漏抗造成的换相重叠角γ时，三相全控桥式电路输出的整流电压平均值比不考虑变压器漏抗时减小。<o:p></o:p>
A:错误
B:正确

   P-MOSFET分为N沟道型和P沟道型。<o:p></o:p>
A:错误
B:正确

<span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-family: 'Times New Roman'">三相半波可控整流电路，电阻性负载，α<span lang="EN-US" style="FONT-SIZE: 12pt; FONT-FAMILY: 'Times New Roman'; mso-fareast-font-family: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">=90<span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-family: 'Times New Roman'">°是<span lang="EN-US" style="FONT-SIZE: 12pt; FONT-FAMILY: 'Times New Roman'; mso-fareast-font-family: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">U<span lang="EN-US" style="FONT-SIZE: 12pt; FONT-FAMILY: 'Times New Roman'; mso-fareast-font-family: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">d<span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-family: 'Times New Roman'">波形连续和断续的分界点。
A:错误
B:正确

 <span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-family: 'Times New Roman'">普通型晶闸管是三层三端元件。
A:错误
B:正确

  半控桥式晶闸管电路，不能组成反并联可逆电路。<o:p></o:p>
A:错误
B:正确

<span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-family: 'Times New Roman'">共阳极组变流电路，整流电压正半波大于负半波。
A:错误
B:正确

  三相交-交变频电路主要有两种结线方式，即公共交流母线进线方式和输出星形连接方式。<o:p></o:p>
A:错误
B:正确

<span style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">三组三相<span style="FONT-FAMILY: 'Times New Roman'; FONT-SIZE: 12pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋体" lang="EN-US">-<span style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">单相变频电路可以组合成三相<span style="FONT-FAMILY: 'Times New Roman'; FONT-SIZE: 12pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋体" lang="EN-US">-<span style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">三相交<span style="FONT-FAMILY: 'Times New Roman'; FONT-SIZE: 12pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋体" lang="EN-US">-<span style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">交变频电路。
A:错误
B:正确

<span style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">升压式直流斩波器，其输出电压平均值<span style="FONT-FAMILY: 'Times New Roman'; FONT-SIZE: 12pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋体" lang="EN-US">U<span style="FONT-FAMILY: 'Times New Roman'; FONT-SIZE: 12pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋体" lang="EN-US">0<span style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">与升压比<span style="FONT-FAMILY: 'Times New Roman'; FONT-SIZE: 12pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋体" lang="EN-US"><v:shapetype id="_x0000_t75" coordsize="21600,21600" o:spt="75" o:preferrelative="t" path="m@4@5l@4@11@9@11@9@5xe" filled="f" stroked="f"> <v:stroke joinstyle="miter"></v:stroke><v:formulas><v:f eqn="if lineDrawn pixelLineWidth 0"></v:f><v:f eqn="sum @0 1 0"></v:f><v:f eqn="sum 0 0 @1"></v:f><v:f eqn="prod @2 1 2"></v:f><v:f eqn="prod @3 21600 pixelWidth"></v:f><v:f eqn="prod @3 21600 pixelHeight"></v:f><v:f eqn="sum @0 0 1"></v:f><v:f eqn="prod @6 1 2"></v:f><v:f eqn="prod @7 21600 pixelWidth"></v:f><v:f eqn="sum @8 21600 0"></v:f><v:f eqn="prod @7 21600 pixelHeight"></v:f><v:f eqn="sum @10 21600 0"></v:f></v:formulas><v:path o:extrusionok="f" gradientshapeok="t" o:connecttype="rect"></v:path><o:lock v:ext="edit" aspectratio="t"></o:lock></v:shapetype><v:shape style="WIDTH: 12pt; HEIGHT: 15.75pt" id="_x0000_i1025" type="#_x0000_t75" o:ole=""><v:imagedata src="file:///C:\DOCUME~1\ADMINI~1\LOCALS~1\Temp\msohtml1\15\clip_image001.wmz" o:title=""></v:imagedata></v:shape><span style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">成正比。
A:错误
B:正确

  直流斩波器必须要加变压器隔离。<o:p></o:p>
A:错误
B:正确

		自动登录	找回密码
密码			立即注册

20春学期《电力电子电路》在线平时作业3

相关帖子

浏览过的版块