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<p>이 두문제 들은 간선의 후강전선관 굵기를 전선본수에 따라 표에서 보고 산정하는 문제인데, 16-2-18번 같은경우는 간선이 3상3선식이라고 주어져 있는데, 13-1-17번 같은경우는 주어져 있지 않은상태에서 전선본수를 3으로 선정하였습니다. 이것은 3상4선식, 3상3선식과는 관계없이 전원- 전동기 사이의 간선에 3상의 전원이 공급되야 하므로 3선만 공급하니까 무조건 3선으로 선택하는건가요 ?</p><div class="figure-img" data-ke-type="image" data-ke-style="alignCenter" data-ke-mobilestyle="widthOrigin"><img src="https://t1.daumcdn.net/cafeattach/1Fl2H/719fd28b1bd36006bc15726693e24b961828eeb9" class="txc-image" data-img-src="https://t1.daumcdn.net/cafeattach/1Fl2H/719fd28b1bd36006bc15726693e24b961828eeb9" data-origin-width="3024" data-origin-height="4032"></div><div class="figure-img" data-ke-type="image" data-ke-style="alignCenter" data-ke-mobilestyle="widthOrigin"><img src="https://t1.daumcdn.net/cafeattach/1Fl2H/9f43fb0d7ff9e85ffb062c7e565d5abfa5671855" class="txc-image" data-img-src="https://t1.daumcdn.net/cafeattach/1Fl2H/9f43fb0d7ff9e85ffb062c7e565d5abfa5671855" data-origin-width="4032" data-origin-height="3024"></div><div class="figure-img" data-ke-type="image" data-ke-style="alignCenter" data-ke-mobilestyle="widthOrigin"><img src="https://t1.daumcdn.net/cafeattach/1Fl2H/6e8232bd583cebf1d9d41083078f27f845d9278c" class="txc-image" data-img-src="https://t1.daumcdn.net/cafeattach/1Fl2H/6e8232bd583cebf1d9d41083078f27f845d9278c" data-origin-width="4032" data-origin-height="3024"></div>
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첫댓글 중성선은 본수로 세지 않습니다.
3상3선 3상4선 전부 3본으로 봐주시면 됩니다.
감사합니다 !