吉大《电力电子变流技术》在线作业一（Kyrgyzstan power electronics technology a stream of online homework）.docVIP

下载本文档

9
0
约5.79千字
约 11页
2017-07-25 发布于河南
举报
版权申诉

吉大《电力电子变流技术》在线作业一（Kyrgyzstan power electronics technology a stream of online homework）.doc

1、本文档共11页，可阅读全部内容。
2、有哪些信誉好的足球投注网站（book118）网站文档一经付费（服务费），不意味着购买了该文档的版权，仅供个人/单位学习、研究之用，不得用于商业用途，未经授权，严禁复制、发行、汇编、翻译或者网络传播等，侵权必究。
3、本站所有内容均由合作方或网友上传，本站不对文档的完整性、权威性及其观点立场正确性做任何保证或承诺！文档内容仅供研究参考，付费前请自行鉴别。如您付费，意味着您自己接受本站规则且自行承担风险，本站不退款、不进行额外附加服务；查看《如何避免下载的几个坑》。如果您已付费下载过本站文档，您可以点击这里二次下载。
4、如文档侵犯商业秘密、侵犯著作权、侵犯人身权等，请点击“版权申诉”（推荐），也可以打举报电话：400-050-0827(电话支持时间：9:00-18:30)。
5、该文档为VIP文档，如果想要下载，成为VIP会员后，下载免费。
6、成为VIP后，下载本文档将扣除1次下载权益。下载后，不支持退款、换文档。如有疑问请联系我们。
7、成为VIP后，您将拥有八大权益，权益包括：VIP文档下载权益、阅读免打扰、文档格式转换、高级专利检索、专属身份标志、高级客服、多端互通、版权登记。
8、VIP文档为合作方或网友上传，每下载1次，网站将根据用户上传文档的质量评分、类型等，对文档贡献者给予高额补贴、流量扶持。如果你也想贡献VIP文档。上传文档

吉大《电力电子变流技术》在线作业一（Kyrgyzstan power electronics technology a stream of online homework）

吉大《电力电子变流技术》在线作业一（Kyrgyzstan power electronics technology a stream of online homework） Kyrgyzstan power electronics technology a stream of online homework Total score: 100 test time: - A multiple-choice question Judgment question Radio examination , (a total of 5 multiple-choice questions, a total of 20 points.) 1. single phase half wave controlled rectifier circuit resistance load characteristics: (). A. the voltage is directly proportional to the current B. the voltage is inversely proportional to the current C. voltage and current waveform the same D. voltage and current waveform is different Full marks: 4 2. features of multiplex rectifier circuit: (). A. uses the same device to achieve greater transmit power B. uses different devices to achieve greater transmit power C. can increase the power factor and reduce the interference to the power supply network D. can reduce the power factor and reduce the interference to the power supply network Full marks: 4 3. single-phase half wave controlled rectifier circuit inductance load characteristics: (). The inductance of the A. has a driving effect on the current change The B. inductor has a resistance to current changes The current flowing through the inductor of the C. can mutate The current flowing through the inductor of the D. does not mutate Full marks: 4 4. the following are the reasons for the reversal of the subversion. The A. trigger circuit is unreliable B. trigger circuit normal, thyristor fault C. AC power failure D. invert angle is too big Full marks: 4 5., three-phase half wave controlled rectifier circuit of sense resistance load characteristics: (). A. sense resistance load, inductance value is very big B. sense resistance load, inductance value is very small C. Id waveform basically flat The D. Id waveform is nearly positive Full marks: 4 Kyrgyzstan power electronics technology a stream of online homework Total score: 100 test time: - A multiple-choice question Judgment question Radio examination Judgme