推荐回答(5个)
经多个工程测算,照明插座(含2.5~4平方电线)地下室每平方用电线1.8米~2.2米,标准层照明插座(含2.5~4平方电线)每平方用线5.1米~5.8米。标准若豪华型精装修会多一些开关及插座,每平方米用线要用到6.5米~8米。
导线的截面积是根据你用电电器的功率来计算的,家居用线一般采用铜芯线,大多不会超过10平方毫米,给你个大概算法,每平方毫米可带1000W(瓦)的用电器。你问的“一平方的面积要用多少米电线”我看不明白,可以说的详细点,长度就按实际长度就可以,没要求,可留点富余以便以后维修。
用 总功率 15000瓦 除以 电压 220伏 等于 68.18182安培 这是算出电线的 总电流 因为 一平方毫米 铜芯导线的 安全 截流量为 6安培 所以 用算出的 68.18182安培 除以 6安培 算出 铜芯导线的 横截面积为 11.36364 平方毫米 因为这个 铜芯导线 没有这个 规格 因此 要买 标准为 12平方毫米的 铜芯导线 以后还要增加一些 电器 因为一平方毫米 铜芯导线 安全截流量为 6安培 用6安培 乘以电压 220伏 等于 1320千瓦 因为电线在实际 使用中 不可能带 那么多 的 瓦数 为了安全考虑 只能带1300千瓦 的 电器 也就是说 一平方毫米的 铜芯导线 能带 1300千瓦的 家用电器 功率 每增加一千瓦 就得 选用 0.8平方毫米 的铜芯导线 计算公式为: 用总功率 千瓦 乘以 0.8平方毫米 算出得 需 要横截面积为 多少平方毫米 的 铜芯导线 以上资料 只实用于 电压为 220伏的 电源
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