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自 2013 年第一台 ASIC 矿机出货以来,比特币挖矿呈指数级增长,硬件效率从 1,200 J/TH 提高到仅 15 J/TH。虽然这些进步是由更好的芯片技术推动的,但我们现在已经达到了硅基半导体的极限。随着效率进一步提高,重点必须转移到优化挖矿操作的其他方面——特别是电源设置。 三相电源已成为比特币挖矿中单相电源的更好替代品。随着越来越多的 ASIC 被设计用于三相电压输入,未来的挖矿基础设施应该考虑采用统一的 480v 三相系统,尤其是考虑到它在北美的丰富性和可扩展性。 了解单相和三相电源要理解三相电源在比特币挖矿中的重要性,首先必须了解单相和三相电源系统的基础知识。 单相电源是住宅环境中最常用的电源类型。它由两根电线组成:一根火线和一根零线。单相系统中的电压呈正弦振荡,提供的功率在每个周期内达到峰值然后两次降至零。 想象一下,你正在推荡一个荡秋千的人。每次推荡,秋千都会向前移动,然后返回,达到最高高度,然后下降到最低点,然后你再推一次。 就像秋千一样,单相电力系统也有最大和零功率输送的时期。这可能会导致效率低下,尤其是在需要稳定电力的情况下,尽管这种效率低下在住宅应用中可以忽略不计。然而,在比特币挖矿等高需求、工业规模的运营中,它变得非常重要。 另一方面,三相电源通常用于工业和商业环境。它由三根火线组成,提供更稳定、更可靠的电力流。 在同样的秋千类比中,想象有三个人推秋千,但每个人推的间隔不同。一个人在秋千从第一次推开始减速时推秋千,另一个人推到周期的三分之一,第三个人推到三分之二。结果是秋千移动得更加平稳和一致,因为它被从不同角度不断推动,保持恒定的运动。 同样,三相电力系统确保恒定和平衡的电力流动,从而提高效率和可靠性,这对比特币挖矿等高需求应用尤其有利。 比特币挖矿功率需求的演变自诞生以来,比特币挖矿已经取得了长足进步,多年来电力需求发生了重大变化。 2013 年之前,矿工依靠 CPU 和 GPU 来挖掘比特币。随着比特币网络的发展和竞争的加剧,ASIC(专用集成电路)矿机的发展带来了真正的变革。这些设备专为挖掘比特币而设计,具有无与伦比的效率和性能。然而,这些机器的电力需求增加,需要改进电源系统。 2016 年,顶级矿机能够以 13 TH/s 的速度进行计算,功耗约为 1,300 瓦(W)。虽然以今天的标准来看效率极低,但由于当时网络竞争较低,使用这种设备进行挖矿是有利可图的。然而,为了在当今竞争激烈的环境中创造可观的利润,机构矿工现在依赖需要约 3,510 W 的矿机。 随着 ASIC 的功率要求和高性能挖矿作业的效率要求不断增长,单相电力系统的局限性凸显出来。过渡到三相电力成为支持行业日益增长的能源需求的合理步骤。 / V' q& @" V9 I7 n$ t8 f
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本帖最后由 爱美的女人 于 2024-9-19 22:41 编辑 6 m/ w* n; M7 c0 ]
" g) W" |% T3 M# Y4 Y5 L看起来就是有感觉是很有力量 |
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