<![CDATA[
<table id=cafe_editor_main_table_color bgColor='#ffffff' cellpadding=0 cellspacing=0 border=0 width=100%><tr><td id=cafe_editor_main_table class=text><p style="-ms-word-break: normal; overflow-wrap: normal;"><span style="font-family: Dotum, 돋움, sans-serif; font-size: 11pt; font-weight: bold;">안녕하세요? 직류 전동기 </span><font face="Dotum, 돋움, sans-serif"><b style="font-family: 굴림, gulim, tahoma, sans-serif; font-size: 14.66px;"></b></font><b style="font-family: 굴림, gulim, tahoma, sans-serif; font-size: 14.66px;"> 질문이 있습니다. </b></p><p style="font-family: 굴림, gulim, tahoma, sans-serif; -ms-word-break: normal; overflow-wrap: normal;"><font face="Dotum, 돋움, sans-serif"><span style="font-size: 14.66px;"><b><br></b></span></font></p><p style="font-family: 굴림, gulim, tahoma, sans-serif; -ms-word-break: normal; overflow-wrap: normal;"><b style="font-size: 9pt;"><span style="color: rgb(9, 0, 255); font-family: Dotum, 돋움, sans-serif; font-size: 14.66px;"></span><br></b></p><p style="text-align: left; font-family: 굴림, gulim, tahoma, sans-serif; -ms-word-break: normal; overflow-wrap: normal;"><img src="https://t1.daumcdn.net/cfile/cafe/998862475BDA926F31" class="txc-image" width="305" height="409" style="width: 305px; height: 409px; clear: none; float: none;" border="0" vspace="1" hspace="1" actualwidth="720" exif="{}" data-filename="KakaoTalk_20181101_144007931.jpg" id="A_998862475BDA926F319F73"/></p><p style="font-family: 굴림, gulim, tahoma, sans-serif; -ms-word-break: normal; overflow-wrap: normal;"><b style="font-size: 9pt;"><span style="color: rgb(9, 0, 255); font-family: Dotum, 돋움, sans-serif; font-size: 14.66px;"><br></span></b></p><p style="font-family: 굴림, gulim, tahoma, sans-serif; -ms-word-break: normal; overflow-wrap: normal;"><font face="Dotum, 돋움, sans-serif"><span style="font-size: 14.66px;"><strong>직류 전동기 문제에서 출력이 50kW이고 여기서 70%부하라고 해서 </strong><span style="font-size: 14.66px;"><strong>저는 문제 풀때 ,</strong></span></span></font></p><p style="font-family: 굴림, gulim, tahoma, sans-serif; -ms-word-break: normal; overflow-wrap: normal;"><font face="Dotum, 돋움, sans-serif"><span style="font-size: 14.66px;"><span style="font-size: 14.66px;"><strong>출력이 </strong><strong>50kW(Po)*0.7=35kW로 줄어든것으로 생각했습니다. </strong></span></span></font></p><p style="font-family: 굴림, gulim, tahoma, sans-serif; -ms-word-break: normal; overflow-wrap: normal;"><font face="Dotum, 돋움, sans-serif"><span style="font-size: 14.66px;"><span style="font-size: 14.66px;"><br></span></span></font></p><p style="font-family: 굴림, gulim, tahoma, sans-serif; -ms-word-break: normal; overflow-wrap: normal;"><font face="Dotum, 돋움, sans-serif"><span style="font-size: 14.66px;"><span style="font-size: 14.66px;"><strong><span style="color: rgb(9, 0, 255);">그래서 간단하게 생각해서 전기적인 출력이 토크로 변환되므로,</span></strong></span></span></font></p><p style="font-family: 굴림, gulim, tahoma, sans-serif; -ms-word-break: normal; overflow-wrap: normal;"><font face="Dotum, 돋움, sans-serif"><span style="font-size: 14.66px;"><span style="font-size: 14.66px;"><strong><span style="color: rgb(9, 0, 255);">'토크=0.975* 35[kw]/1,220[rpm]' 문제를 풀었는데 답에는 전혀 다른 풀이가 되어 있더라고요. </span></strong></span></span></font></p><p style="font-family: 굴림, gulim, tahoma, sans-serif; -ms-word-break: normal; overflow-wrap: normal;"><font face="Dotum, 돋움, sans-serif"><span style="font-size: 14.66px;"><span style="font-size: 14.66px;"><strong><span style="color: rgb(9, 0, 255);"><br></span></strong></span></span></font></p><p style="font-family: 굴림, gulim, tahoma, sans-serif; -ms-word-break: normal; overflow-wrap: normal;"><font face="Dotum, 돋움, sans-serif"><span style="font-size: 14.66px;"><span style="font-size: 14.66px;"><strong><span style="color: rgb(9, 0, 255);">제가 생각한것이 무엇이 틀린것인가요?</span></strong></span></span></font></p><p style="font-family: 굴림, gulim, tahoma, sans-serif; -ms-word-break: normal; overflow-wrap: normal;"><font face="Dotum, 돋움, sans-serif"><span style="font-size: 14.66px;"><span style="font-size: 14.66px;"><strong><span style="color: rgb(9, 0, 255);"></span></strong></span></span></font></p><p style="font-family: 굴림, gulim, tahoma, sans-serif; -ms-word-break: normal; overflow-wrap: normal;"><font face="Dotum, 돋움, sans-serif"><span style="font-size: 14.66px;"><span style="font-size: 14.66px;"><strong><span style="color: rgb(9, 0, 255);">그리고 직류 전동기 문제에서 출력이 나오면 이것은 전동기 출력으로 보면 되죠? 그래서 출력(Po)=VI 계산해서 부하전류를 구할수도 있고요. </span></strong></span></span></font></p><p style="font-family: 굴림, gulim, tahoma, sans-serif; -ms-word-break: normal; overflow-wrap: normal;"><font face="Dotum, 돋움, sans-serif"><span style="font-size: 14.66px;"><span style="font-size: 14.66px;"><strong><span style="color: rgb(9, 0, 255);"><br></span></strong></span></span></font></p><p style="font-family: 굴림, gulim, tahoma, sans-serif; -ms-word-break: normal; overflow-wrap: normal;"><font face="Dotum, 돋움, sans-serif"><span style="font-size: 14.66px;"><span style="font-size: 14.66px;"><strong><span style="color: rgb(9, 0, 255);">위에 질문 도움 부탁 드립니다. </span></strong></span></span></font></p><p style="font-family: 굴림, gulim, tahoma, sans-serif; -ms-word-break: normal; overflow-wrap: normal;"><font face="Dotum, 돋움, sans-serif"><span style="font-size: 14.66px;"><span style="font-size: 14.66px;"><strong><span style="color: rgb(9, 0, 255);">감사합니다. </span></strong></span></span></font></p><p style="font-family: 굴림, gulim, tahoma, sans-serif; -ms-word-break: normal; overflow-wrap: normal;"><font face="Dotum, 돋움, sans-serif"><span style="font-size: 14.66px;"><span style="font-size: 14.66px;"><br></span></span></font></p><p style="font-family: 굴림, gulim, tahoma, sans-serif; -ms-word-break: normal; overflow-wrap: normal;"><font face="Dotum, 돋움, sans-serif"><span style="font-size: 14.66px;"><span style="font-size: 14.66px;"></span></span></font><font face="Dotum, 돋움, sans-serif"><span style="font-size: 14.66px;"><span style="font-size: 14.66px;"> </span></span></font></p><p style="font-family: 굴림, gulim, tahoma, sans-serif; -ms-word-break: normal; overflow-wrap: normal;"><b style="color: rgb(255, 0, 0); font-family: Dotum, 돋움, sans-serif; font-size: 14.66px;"></b><br></p></tr></td></table>
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첫댓글 전기자의 발생토크를 구할 때 출력 P = EIa 입니다.
여기서 E는 역기전력이고, Ia 는 전기자 전류입니다.
문젱제서 70%의 부하에서 부하전류가 100A라고 되어 있으므로,
100A라고 하는 것은 70%부하가 적용된 적류가 됩니다.
설명 언제나 감사드립니다.