题目内容
并励电机在运行时断开励磁绕组对电机运行没有多大的影响。
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已知一台直流电动机的额定数据如下：额定功率PN=160KW，额定电压UN=220V，额定效率ηN=90%，额定转速ηN=1500r/min，则该电机的额定电流为（）
电机定子铁心硅钢片的两面均涂有绝缘漆是为了（）
绕线式三相异步电动机可在转子回路开路后继续运行。
Read the text again, in which step(s) would you do the following?Installing Sun Staroffice TMStep 1You will first see a welcome screen. Confirm the Welcome dialogue by clicking theNext button.Step 2The next window contains the licence agreement.Carefully read the licence agreement. If you agree to all points, select “I accept the terms in the license agreement” to continue with theinstallation.Step 3You will now see the Enter User Data dialogue. Enter your personal data into this dialogue Click Next to continue the installation.Step 4You will now see a dialogue in which you can select the type of installation to be carried out.We recommend that normal users select the Custom Installation.Step 5After having selected an installation type you will see a dialogue in which you can select the installation directory. Staroffice will install files and sub directories with files into the named directory. Click Next.Step 6If you have chosen the Custom Installation, you will now see a dialogue which asks you to select the components to be installed. After you have made your selection, click the Next button.The copying process will now begin.Step 7A dialogue will ask you to select the file type that are to be opened with staroffice. Click Next if you want to continue with the installation.Step 8The next dialogue will inform you that it’s ready to begin installation. Click Install to begin installation.Step 9A progress bar is shown on the screen to keep you informed of how the installation is proceeding. When the installation has been completed, click Complete to finish.
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