Как вычисляется активная мощность P при соединении в звезду?<img src="/close/store/examRes/%7BF5FF9595-064B-40A8-A4F7-A6181B2AAB00%7D/%D0%9D%D0%BE%D0%B2%D1%8B%D0%B9%20%D1%80%D0%B8%D1%81%D1%83%D0%BD%D0%BE%D0%BA%20%2834%29.png" /><img src="/close/store/examRes/%7BF5FF9595-064B-40A8-A4F7-A6181B2AAB00%7D/%D0%9D%D0%BE%D0%B2%D1%8B%D0%B9%20%D1%80%D0%B8%D1%81%D1%83%D0%BD%D0%BE%D0%BA%20%2835%29.png" /><img src="/close/store/examRes/%7BF5FF9595-064B-40A8-A4F7-A6181B2AAB00%7D/%D0%9D%D0%BE%D0%B2%D1%8B%D0%B9%20%D1%80%D0%B8%D1%81%D1%83%D0%BD%D0%BE%D0%BA%20%2833%29.png" /> <img src="/img/41/4bf149afb6e8cbd9f08cf9093b.png" />, <img src="/img/72/c774de10968787b17198c35e88.png" />, <img src="/img/e6/139a3f5509d0d105034466c25e.png" />