20151120毎日一題
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20151120 毎日一問 報酬は以下の通り:参加で1~3点、正解で5点、正解してかつ分析を加えた場合は8~10点。溶接機の機器出力とは、定格出力を負荷継続率()に換算したときの有効出力のことです。A.15% B.25% C.50% D.100% 答えはDここで、Sr:溶接機の定格容量、KVA
COSΦ:定格力率(『工業および民間用配電設計マニュアル』第3版 第1章 第3節 の表1-2に記載されている値を参照)
ε:負荷継続率
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