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                人民電纜●小百科

                在選擇電力電纜的截面時,應遵照哪些規定?

                (1)電纜的額定電壓要大於或即◥是安裝點供電系統的▓額定電壓;
                (2)電纜←持續容許電流應即是或大於供電ζ負載的最大持續電流;
                (3)線芯截面要滿足供電系統短路那麽時的穩定性』的要求;
                (4)根據電纜長度︽驗算電壓降是否符合要求;
                (5)線∏路末真個最小短路電流應能使保護裝置可靠的動作。

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