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5921338
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樓主  發(fā)表于: 2022-04-17 21:38
廠(chǎng)里配電房各工段用的德力西DTSF606電表，現在想把各表電量通過(guò)485通訊統計，但是沒(méi)有查到通訊手冊無(wú)從下手。有這方面資源的師傅共享下，先謝謝大家。
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tingfenghu
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1樓  發(fā)表于: 2023-04-25 20:34
引用
引用第5樓客官小店有請于2022-04-27 18:29發(fā)表的  :
有解釋一下的沒(méi)�。�！“正向有功電能”=是否可以理解為正常使用的電量度數，反向有功電能是指什么？？？


反向有功一般多用于發(fā)電，
比如家里太陽(yáng)能發(fā)電，
正常情況家里用電網(wǎng)的電，正向有功，
當家里太陽(yáng)能發(fā)電向電網(wǎng)賣(mài)電，反向有功

以前電廠(chǎng)用機械表，要裝４個(gè)電表，正反向有功，無(wú)功．
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