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<P style="PADDING-BOTTOM: 20px; LINE-HEIGHT: 26px; BORDER-RIGHT-WIDTH: 0px; WIDOWS: 2; TEXT-TRANSFORM: none; FONT-STYLE: normal; TEXT-INDENT: 0px; MARGIN: 0px; PADDING-LEFT: 20px; LETTER-SPACING: normal; PADDING-RIGHT: 20px; FONT-FAMILY: ����, Arial; WHITE-SPACE: normal; ORPHANS: 2; BORDER-TOP-WIDTH: 0px; BORDER-BOTTOM-WIDTH: 0px; COLOR: rgb(0,0,0); FONT-SIZE: 14px; BORDER-LEFT-WIDTH: 0px; FONT-WEIGHT: 400; WORD-SPACING: 0px; PADDING-TOP: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial"> 日前,由中国勘察设计协会电气分会、中国建设科技集团股份有限公司主办的“全国电气技术交流大会”在上海隆重召开。本大会旨在为设计单位和生产企业提供电气技术的学术交流平台,共议电气行业发展方向,探讨电气行业目前出现的热点、疑难问题,促进电气行业技术发展与进步。</P> <P style="PADDING-BOTTOM: 20px; LINE-HEIGHT: 26px; BORDER-RIGHT-WIDTH: 0px; WIDOWS: 2; TEXT-TRANSFORM: none; FONT-STYLE: normal; TEXT-INDENT: 0px; MARGIN: 0px; PADDING-LEFT: 20px; LETTER-SPACING: normal; PADDING-RIGHT: 20px; FONT-FAMILY: ����, Arial; WHITE-SPACE: normal; ORPHANS: 2; BORDER-TOP-WIDTH: 0px; BORDER-BOTTOM-WIDTH: 0px; COLOR: rgb(0,0,0); FONT-SIZE: 14px; BORDER-LEFT-WIDTH: 0px; FONT-WEIGHT: 400; WORD-SPACING: 0px; PADDING-TOP: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial"> 全球动力管理公司伊顿作为协办单位出席大会,伊顿电源大中华区应用技术总监王伟在大会上分享了现代数据中心供电制式的发展与电气设计,从发展背景、现存问题、应用分析、发展趋势等对数据中心多种供电制式进行剖析,为 5G 和云时代供电制式选择提供参考。</P> <P style="TEXT-ALIGN: center; PADDING-BOTTOM: 20px; LINE-HEIGHT: 26px; BORDER-RIGHT-WIDTH: 0px; WIDOWS: 2; TEXT-TRANSFORM: none; FONT-STYLE: normal; TEXT-INDENT: 0px; MARGIN: 0px; PADDING-LEFT: 20px; LETTER-SPACING: normal; PADDING-RIGHT: 20px; FONT-FAMILY: ����, Arial; WHITE-SPACE: normal; ORPHANS: 2; BORDER-TOP-WIDTH: 0px; BORDER-BOTTOM-WIDTH: 0px; COLOR: rgb(0,0,0); FONT-SIZE: 14px; BORDER-LEFT-WIDTH: 0px; FONT-WEIGHT: 400; WORD-SPACING: 0px; PADDING-TOP: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial"><IMG style="PADDING-BOTTOM: 0px; BORDER-RIGHT-WIDTH: 0px; MARGIN: 0px; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; FONT-FAMILY: ����, Arial; BORDER-TOP-WIDTH: 0px; BORDER-BOTTOM-WIDTH: 0px; BORDER-LEFT-WIDTH: 0px; PADDING-TOP: 0px" alt="" src="https://image.danews.cc/upload/doc/20201012/5f83f8c493059.png" _src="https://image.danews.cc/upload/doc/20201012/5f83f8c493059.png"></P> <P style="TEXT-ALIGN: center; PADDING-BOTTOM: 20px; LINE-HEIGHT: 26px; BORDER-RIGHT-WIDTH: 0px; WIDOWS: 2; TEXT-TRANSFORM: none; FONT-STYLE: normal; TEXT-INDENT: 0px; MARGIN: 0px; PADDING-LEFT: 20px; LETTER-SPACING: normal; PADDING-RIGHT: 20px; FONT-FAMILY: ����, Arial; WHITE-SPACE: normal; ORPHANS: 2; BORDER-TOP-WIDTH: 0px; BORDER-BOTTOM-WIDTH: 0px; COLOR: rgb(0,0,0); FONT-SIZE: 14px; BORDER-LEFT-WIDTH: 0px; FONT-WEIGHT: 400; WORD-SPACING: 0px; PADDING-TOP: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial">伊顿电源大中华区应用技术总监 王伟</P> <P style="PADDING-BOTTOM: 20px; LINE-HEIGHT: 26px; BORDER-RIGHT-WIDTH: 0px; WIDOWS: 2; TEXT-TRANSFORM: none; FONT-STYLE: normal; TEXT-INDENT: 0px; MARGIN: 0px; PADDING-LEFT: 20px; LETTER-SPACING: normal; PADDING-RIGHT: 20px; FONT-FAMILY: ����, Arial; WHITE-SPACE: normal; ORPHANS: 2; BORDER-TOP-WIDTH: 0px; BORDER-BOTTOM-WIDTH: 0px; COLOR: rgb(0,0,0); FONT-SIZE: 14px; BORDER-LEFT-WIDTH: 0px; FONT-WEIGHT: 400; WORD-SPACING: 0px; PADDING-TOP: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial"> 王伟在分享中提出,层出不穷的各类线上应用场景正在使企业加速“上云”部署,数据中心也从服务中心演变成了生产中心,从成本中心演变成为了效益中心,从支撑业务转变为驱动业务发展。5G 和云计算的加速部署趋势下,超大规模、大型以及边缘数据中心等多形态数据中心齐头并进,成为角色多元的新基建数字底座。</P> <P style="PADDING-BOTTOM: 20px; LINE-HEIGHT: 26px; BORDER-RIGHT-WIDTH: 0px; WIDOWS: 2; TEXT-TRANSFORM: none; FONT-STYLE: normal; TEXT-INDENT: 0px; MARGIN: 0px; PADDING-LEFT: 20px; LETTER-SPACING: normal; PADDING-RIGHT: 20px; FONT-FAMILY: ����, Arial; WHITE-SPACE: normal; ORPHANS: 2; BORDER-TOP-WIDTH: 0px; BORDER-BOTTOM-WIDTH: 0px; COLOR: rgb(0,0,0); FONT-SIZE: 14px; BORDER-LEFT-WIDTH: 0px; FONT-WEIGHT: 400; WORD-SPACING: 0px; PADDING-TOP: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial"> 作为数据中心稳定运行的重要支撑之一,供电系统通过创新技术,加强其双生命周期表现,助力数据中心达到更高可靠性、可用性的同时,兼顾卓越能效管理水平,从而实现更低的 TCO,正在成为设计院、生产厂商争取更大市场机会的重要砝码。</P> <P style="PADDING-BOTTOM: 20px; LINE-HEIGHT: 26px; BORDER-RIGHT-WIDTH: 0px; WIDOWS: 2; TEXT-TRANSFORM: none; FONT-STYLE: normal; TEXT-INDENT: 0px; MARGIN: 0px; PADDING-LEFT: 20px; LETTER-SPACING: normal; PADDING-RIGHT: 20px; FONT-FAMILY: ����, Arial; WHITE-SPACE: normal; ORPHANS: 2; BORDER-TOP-WIDTH: 0px; BORDER-BOTTOM-WIDTH: 0px; COLOR: rgb(0,0,0); FONT-SIZE: 14px; BORDER-LEFT-WIDTH: 0px; FONT-WEIGHT: 400; WORD-SPACING: 0px; PADDING-TOP: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial"> 在演讲中,王伟介绍了数据中心供电制式发展的背景,根据采用的电源性质与运行方式不同,构成了不同的数据中心供电制式,并重点介绍了伊顿交流直供供电制式在现代数据中心规模化应用的技术与效益优势。</P> <P style="TEXT-ALIGN: center; PADDING-BOTTOM: 20px; LINE-HEIGHT: 26px; BORDER-RIGHT-WIDTH: 0px; WIDOWS: 2; TEXT-TRANSFORM: none; FONT-STYLE: normal; TEXT-INDENT: 0px; MARGIN: 0px; PADDING-LEFT: 20px; LETTER-SPACING: normal; PADDING-RIGHT: 20px; FONT-FAMILY: ����, Arial; WHITE-SPACE: normal; ORPHANS: 2; BORDER-TOP-WIDTH: 0px; BORDER-BOTTOM-WIDTH: 0px; COLOR: rgb(0,0,0); FONT-SIZE: 14px; BORDER-LEFT-WIDTH: 0px; FONT-WEIGHT: 400; WORD-SPACING: 0px; PADDING-TOP: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial"><IMG style="PADDING-BOTTOM: 0px; BORDER-RIGHT-WIDTH: 0px; MARGIN: 0px; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; FONT-FAMILY: ����, Arial; BORDER-TOP-WIDTH: 0px; BORDER-BOTTOM-WIDTH: 0px; BORDER-LEFT-WIDTH: 0px; PADDING-TOP: 0px" alt="" src="https://image.danews.cc/upload/doc/20201012/5f83f8c4bae05.png" _src="https://image.danews.cc/upload/doc/20201012/5f83f8c4bae05.png"></P> <P style="PADDING-BOTTOM: 20px; LINE-HEIGHT: 26px; BORDER-RIGHT-WIDTH: 0px; WIDOWS: 2; TEXT-TRANSFORM: none; FONT-STYLE: normal; TEXT-INDENT: 0px; MARGIN: 0px; PADDING-LEFT: 20px; LETTER-SPACING: normal; PADDING-RIGHT: 20px; FONT-FAMILY: ����, Arial; WHITE-SPACE: normal; ORPHANS: 2; BORDER-TOP-WIDTH: 0px; BORDER-BOTTOM-WIDTH: 0px; COLOR: rgb(0,0,0); FONT-SIZE: 14px; BORDER-LEFT-WIDTH: 0px; FONT-WEIGHT: 400; WORD-SPACING: 0px; PADDING-TOP: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial"> <STRONG style="PADDING-BOTTOM: 0px; BORDER-RIGHT-WIDTH: 0px; MARGIN: 0px; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; FONT-FAMILY: ����, Arial; BORDER-TOP-WIDTH: 0px; BORDER-BOTTOM-WIDTH: 0px; BORDER-LEFT-WIDTH: 0px; PADDING-TOP: 0px">数据中心 UPS “交流直供”供电制式</STRONG></P> <P style="PADDING-BOTTOM: 20px; LINE-HEIGHT: 26px; BORDER-RIGHT-WIDTH: 0px; WIDOWS: 2; TEXT-TRANSFORM: none; FONT-STYLE: normal; TEXT-INDENT: 0px; MARGIN: 0px; PADDING-LEFT: 20px; LETTER-SPACING: normal; PADDING-RIGHT: 20px; FONT-FAMILY: ����, Arial; WHITE-SPACE: normal; ORPHANS: 2; BORDER-TOP-WIDTH: 0px; BORDER-BOTTOM-WIDTH: 0px; COLOR: rgb(0,0,0); FONT-SIZE: 14px; BORDER-LEFT-WIDTH: 0px; FONT-WEIGHT: 400; WORD-SPACING: 0px; PADDING-TOP: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial"> 交流直供供电制式的定义:</P> <P style="PADDING-BOTTOM: 20px; LINE-HEIGHT: 26px; BORDER-RIGHT-WIDTH: 0px; WIDOWS: 2; TEXT-TRANSFORM: none; FONT-STYLE: normal; TEXT-INDENT: 0px; MARGIN: 0px; PADDING-LEFT: 20px; LETTER-SPACING: normal; PADDING-RIGHT: 20px; FONT-FAMILY: ����, Arial; WHITE-SPACE: normal; ORPHANS: 2; BORDER-TOP-WIDTH: 0px; BORDER-BOTTOM-WIDTH: 0px; COLOR: rgb(0,0,0); FONT-SIZE: 14px; BORDER-LEFT-WIDTH: 0px; FONT-WEIGHT: 400; WORD-SPACING: 0px; PADDING-TOP: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial"> 正常路径:在旁路市电供电正常时,UPS 经过旁路开关直接给数据设备负载供电;</P> <P style="PADDING-BOTTOM: 20px; LINE-HEIGHT: 26px; BORDER-RIGHT-WIDTH: 0px; WIDOWS: 2; TEXT-TRANSFORM: none; FONT-STYLE: normal; TEXT-INDENT: 0px; MARGIN: 0px; PADDING-LEFT: 20px; LETTER-SPACING: normal; PADDING-RIGHT: 20px; FONT-FAMILY: ����, Arial; WHITE-SPACE: normal; ORPHANS: 2; BORDER-TOP-WIDTH: 0px; BORDER-BOTTOM-WIDTH: 0px; COLOR: rgb(0,0,0); FONT-SIZE: 14px; BORDER-LEFT-WIDTH: 0px; FONT-WEIGHT: 400; WORD-SPACING: 0px; PADDING-TOP: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial"> 后备路径:在旁路市电供电中断或超限时,双变换供电或“蓄电池经 UPS 的 DC/AC逆变器”给数据设备负载供电;</P> <P style="PADDING-BOTTOM: 20px; LINE-HEIGHT: 26px; BORDER-RIGHT-WIDTH: 0px; WIDOWS: 2; TEXT-TRANSFORM: none; FONT-STYLE: normal; TEXT-INDENT: 0px; MARGIN: 0px; PADDING-LEFT: 20px; LETTER-SPACING: normal; PADDING-RIGHT: 20px; FONT-FAMILY: ����, Arial; WHITE-SPACE: normal; ORPHANS: 2; BORDER-TOP-WIDTH: 0px; BORDER-BOTTOM-WIDTH: 0px; COLOR: rgb(0,0,0); FONT-SIZE: 14px; BORDER-LEFT-WIDTH: 0px; FONT-WEIGHT: 400; WORD-SPACING: 0px; PADDING-TOP: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial"> 紧急路径:当 UPS 设备故障时,UPS 将不间断地转静态旁路,市电经由 UPS 内置的旁路电子开关给数据设备供电。</P> <P style="PADDING-BOTTOM: 20px; LINE-HEIGHT: 26px; BORDER-RIGHT-WIDTH: 0px; WIDOWS: 2; TEXT-TRANSFORM: none; FONT-STYLE: normal; TEXT-INDENT: 0px; MARGIN: 0px; PADDING-LEFT: 20px; LETTER-SPACING: normal; PADDING-RIGHT: 20px; FONT-FAMILY: ����, Arial; WHITE-SPACE: normal; ORPHANS: 2; BORDER-TOP-WIDTH: 0px; BORDER-BOTTOM-WIDTH: 0px; COLOR: rgb(0,0,0); FONT-SIZE: 14px; BORDER-LEFT-WIDTH: 0px; FONT-WEIGHT: 400; WORD-SPACING: 0px; PADDING-TOP: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial"> 中国电网技术的建设与发展,带来了数据中心供电环境的稳定性,2N 高/中压不同源、双市电供电回路设计,进一步降低了市电停电的概率。据伊顿对在网 UPS 工作状态数据统计显示,超过 99% 的时间市电处于优良的供电状态,仅有不到 1% 的时间需要后备电池供电。</P> <P style="PADDING-BOTTOM: 20px; LINE-HEIGHT: 26px; BORDER-RIGHT-WIDTH: 0px; WIDOWS: 2; TEXT-TRANSFORM: none; FONT-STYLE: normal; TEXT-INDENT: 0px; MARGIN: 0px; PADDING-LEFT: 20px; LETTER-SPACING: normal; PADDING-RIGHT: 20px; FONT-FAMILY: ����, Arial; WHITE-SPACE: normal; ORPHANS: 2; BORDER-TOP-WIDTH: 0px; BORDER-BOTTOM-WIDTH: 0px; COLOR: rgb(0,0,0); FONT-SIZE: 14px; BORDER-LEFT-WIDTH: 0px; FONT-WEIGHT: 400; WORD-SPACING: 0px; PADDING-TOP: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial"> 为此,伊顿推出了具有专利技术的交流直供制式。这一制式可在不改变传统 UPS 供电制式的电路结构、配电线路、配电开关等任何部件的情况下,只需升级到一套具有主回路休眠功能的伊顿标准 UPS 产品就可实现。该 UPS 在市电网正常时,市电通过 UPS 旁路向负载供电,而主回路的整流、逆变器处于休眠状态,当市电超限或故障时转到双变换模式向负载供电,这一切换的典型时间仅为 2ms 不到,充分满足负载“不间断”的供电要求。</P> <P style="TEXT-ALIGN: center; PADDING-BOTTOM: 20px; LINE-HEIGHT: 26px; BORDER-RIGHT-WIDTH: 0px; WIDOWS: 2; TEXT-TRANSFORM: none; FONT-STYLE: normal; TEXT-INDENT: 0px; MARGIN: 0px; PADDING-LEFT: 20px; LETTER-SPACING: normal; PADDING-RIGHT: 20px; FONT-FAMILY: ����, Arial; WHITE-SPACE: normal; ORPHANS: 2; BORDER-TOP-WIDTH: 0px; BORDER-BOTTOM-WIDTH: 0px; COLOR: rgb(0,0,0); FONT-SIZE: 14px; BORDER-LEFT-WIDTH: 0px; FONT-WEIGHT: 400; WORD-SPACING: 0px; PADDING-TOP: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial"><IMG style="PADDING-BOTTOM: 0px; BORDER-RIGHT-WIDTH: 0px; MARGIN: 0px; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; FONT-FAMILY: ����, Arial; BORDER-TOP-WIDTH: 0px; BORDER-BOTTOM-WIDTH: 0px; BORDER-LEFT-WIDTH: 0px; PADDING-TOP: 0px" alt="" src="https://image.danews.cc/upload/doc/20201012/5f83f8c4e3e99.png" _src="https://image.danews.cc/upload/doc/20201012/5f83f8c4e3e99.png"></P> <P style="PADDING-BOTTOM: 20px; LINE-HEIGHT: 26px; BORDER-RIGHT-WIDTH: 0px; WIDOWS: 2; TEXT-TRANSFORM: none; FONT-STYLE: normal; TEXT-INDENT: 0px; MARGIN: 0px; PADDING-LEFT: 20px; LETTER-SPACING: normal; PADDING-RIGHT: 20px; FONT-FAMILY: ����, Arial; WHITE-SPACE: normal; ORPHANS: 2; BORDER-TOP-WIDTH: 0px; BORDER-BOTTOM-WIDTH: 0px; COLOR: rgb(0,0,0); FONT-SIZE: 14px; BORDER-LEFT-WIDTH: 0px; FONT-WEIGHT: 400; WORD-SPACING: 0px; PADDING-TOP: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial"> 伊顿交流直供制式完全适应中国公共电网的要求,为数据中心 IT 负载提供最高安全等级的输出电压保证,尤其是当今数据中心 UPS 带载率普遍在 50% 以下的轻载现状,在 ESS 模式下运行,伊顿系列 UPS 的最高实用效率可高达 99%,实现理想的“无损”节能工作。</P> <P style="PADDING-BOTTOM: 20px; LINE-HEIGHT: 26px; BORDER-RIGHT-WIDTH: 0px; WIDOWS: 2; TEXT-TRANSFORM: none; FONT-STYLE: normal; TEXT-INDENT: 0px; MARGIN: 0px; PADDING-LEFT: 20px; LETTER-SPACING: normal; PADDING-RIGHT: 20px; FONT-FAMILY: ����, Arial; WHITE-SPACE: normal; ORPHANS: 2; BORDER-TOP-WIDTH: 0px; BORDER-BOTTOM-WIDTH: 0px; COLOR: rgb(0,0,0); FONT-SIZE: 14px; BORDER-LEFT-WIDTH: 0px; FONT-WEIGHT: 400; WORD-SPACING: 0px; PADDING-TOP: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial"> 这一技术的技术原理和性能指标完全不同于其它友商传统的 ECO(旁路优先)模式。</P> <P style="TEXT-ALIGN: center; PADDING-BOTTOM: 20px; LINE-HEIGHT: 26px; BORDER-RIGHT-WIDTH: 0px; WIDOWS: 2; TEXT-TRANSFORM: none; FONT-STYLE: normal; TEXT-INDENT: 0px; MARGIN: 0px; PADDING-LEFT: 20px; LETTER-SPACING: normal; PADDING-RIGHT: 20px; FONT-FAMILY: ����, Arial; WHITE-SPACE: normal; ORPHANS: 2; BORDER-TOP-WIDTH: 0px; BORDER-BOTTOM-WIDTH: 0px; COLOR: rgb(0,0,0); FONT-SIZE: 14px; BORDER-LEFT-WIDTH: 0px; FONT-WEIGHT: 400; WORD-SPACING: 0px; PADDING-TOP: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial"><IMG style="PADDING-BOTTOM: 0px; BORDER-RIGHT-WIDTH: 0px; MARGIN: 0px; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; FONT-FAMILY: ����, Arial; BORDER-TOP-WIDTH: 0px; BORDER-BOTTOM-WIDTH: 0px; BORDER-LEFT-WIDTH: 0px; PADDING-TOP: 0px" alt="" src="https://image.danews.cc/upload/doc/20201012/5f83f8c504e90.png" _src="https://image.danews.cc/upload/doc/20201012/5f83f8c504e90.png"></P> <P style="PADDING-BOTTOM: 20px; LINE-HEIGHT: 26px; BORDER-RIGHT-WIDTH: 0px; WIDOWS: 2; TEXT-TRANSFORM: none; FONT-STYLE: normal; TEXT-INDENT: 0px; MARGIN: 0px; PADDING-LEFT: 20px; LETTER-SPACING: normal; PADDING-RIGHT: 20px; FONT-FAMILY: ����, Arial; WHITE-SPACE: normal; ORPHANS: 2; BORDER-TOP-WIDTH: 0px; BORDER-BOTTOM-WIDTH: 0px; COLOR: rgb(0,0,0); FONT-SIZE: 14px; BORDER-LEFT-WIDTH: 0px; FONT-WEIGHT: 400; WORD-SPACING: 0px; PADDING-TOP: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial"> <STRONG style="PADDING-BOTTOM: 0px; BORDER-RIGHT-WIDTH: 0px; MARGIN: 0px; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; FONT-FAMILY: ����, Arial; BORDER-TOP-WIDTH: 0px; BORDER-BOTTOM-WIDTH: 0px; BORDER-LEFT-WIDTH: 0px; PADDING-TOP: 0px">UPS 双变换供电制式</STRONG></P> <P style="PADDING-BOTTOM: 20px; LINE-HEIGHT: 26px; BORDER-RIGHT-WIDTH: 0px; WIDOWS: 2; TEXT-TRANSFORM: none; FONT-STYLE: normal; TEXT-INDENT: 0px; MARGIN: 0px; PADDING-LEFT: 20px; LETTER-SPACING: normal; PADDING-RIGHT: 20px; FONT-FAMILY: ����, Arial; WHITE-SPACE: normal; ORPHANS: 2; BORDER-TOP-WIDTH: 0px; BORDER-BOTTOM-WIDTH: 0px; COLOR: rgb(0,0,0); FONT-SIZE: 14px; BORDER-LEFT-WIDTH: 0px; FONT-WEIGHT: 400; WORD-SPACING: 0px; PADDING-TOP: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial"> UPS双变换供电制式是目前市场上应用最久、最广的供电模式。</P> <P style="PADDING-BOTTOM: 20px; LINE-HEIGHT: 26px; BORDER-RIGHT-WIDTH: 0px; WIDOWS: 2; TEXT-TRANSFORM: none; FONT-STYLE: normal; TEXT-INDENT: 0px; MARGIN: 0px; PADDING-LEFT: 20px; LETTER-SPACING: normal; PADDING-RIGHT: 20px; FONT-FAMILY: ����, Arial; WHITE-SPACE: normal; ORPHANS: 2; BORDER-TOP-WIDTH: 0px; BORDER-BOTTOM-WIDTH: 0px; COLOR: rgb(0,0,0); FONT-SIZE: 14px; BORDER-LEFT-WIDTH: 0px; FONT-WEIGHT: 400; WORD-SPACING: 0px; PADDING-TOP: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial"> UPS 双变换供电制式的定义:</P> <P style="PADDING-BOTTOM: 20px; LINE-HEIGHT: 26px; BORDER-RIGHT-WIDTH: 0px; WIDOWS: 2; TEXT-TRANSFORM: none; FONT-STYLE: normal; TEXT-INDENT: 0px; MARGIN: 0px; PADDING-LEFT: 20px; LETTER-SPACING: normal; PADDING-RIGHT: 20px; FONT-FAMILY: ����, Arial; WHITE-SPACE: normal; ORPHANS: 2; BORDER-TOP-WIDTH: 0px; BORDER-BOTTOM-WIDTH: 0px; COLOR: rgb(0,0,0); FONT-SIZE: 14px; BORDER-LEFT-WIDTH: 0px; FONT-WEIGHT: 400; WORD-SPACING: 0px; PADDING-TOP: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial"> 正常路径:在市电供电正常时,UPS 经过 AC/DC 和 DC/AC 的两级变换给数据设备负载供电;</P> <P style="PADDING-BOTTOM: 20px; LINE-HEIGHT: 26px; BORDER-RIGHT-WIDTH: 0px; WIDOWS: 2; TEXT-TRANSFORM: none; FONT-STYLE: normal; TEXT-INDENT: 0px; MARGIN: 0px; PADDING-LEFT: 20px; LETTER-SPACING: normal; PADDING-RIGHT: 20px; FONT-FAMILY: ����, Arial; WHITE-SPACE: normal; ORPHANS: 2; BORDER-TOP-WIDTH: 0px; BORDER-BOTTOM-WIDTH: 0px; COLOR: rgb(0,0,0); FONT-SIZE: 14px; BORDER-LEFT-WIDTH: 0px; FONT-WEIGHT: 400; WORD-SPACING: 0px; PADDING-TOP: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial"> 后备路径:在市电供电中断时,蓄电池经 UPS 的 DC/AC 逆变器给数据设备负载供电;</P> <P style="PADDING-BOTTOM: 20px; LINE-HEIGHT: 26px; BORDER-RIGHT-WIDTH: 0px; WIDOWS: 2; TEXT-TRANSFORM: none; FONT-STYLE: normal; TEXT-INDENT: 0px; MARGIN: 0px; PADDING-LEFT: 20px; LETTER-SPACING: normal; PADDING-RIGHT: 20px; FONT-FAMILY: ����, Arial; WHITE-SPACE: normal; ORPHANS: 2; BORDER-TOP-WIDTH: 0px; BORDER-BOTTOM-WIDTH: 0px; COLOR: rgb(0,0,0); FONT-SIZE: 14px; BORDER-LEFT-WIDTH: 0px; FONT-WEIGHT: 400; WORD-SPACING: 0px; PADDING-TOP: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial"> 紧急路径:当 UPS 故障时,UPS 将不间断地转静态旁路,市电经由 UPS 内置的旁路电子开关给数据设备供电。</P> <P style="TEXT-ALIGN: center; PADDING-BOTTOM: 20px; LINE-HEIGHT: 26px; BORDER-RIGHT-WIDTH: 0px; WIDOWS: 2; TEXT-TRANSFORM: none; FONT-STYLE: normal; TEXT-INDENT: 0px; MARGIN: 0px; PADDING-LEFT: 20px; LETTER-SPACING: normal; PADDING-RIGHT: 20px; FONT-FAMILY: ����, Arial; WHITE-SPACE: normal; ORPHANS: 2; BORDER-TOP-WIDTH: 0px; BORDER-BOTTOM-WIDTH: 0px; COLOR: rgb(0,0,0); FONT-SIZE: 14px; BORDER-LEFT-WIDTH: 0px; FONT-WEIGHT: 400; WORD-SPACING: 0px; PADDING-TOP: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial"><IMG style="PADDING-BOTTOM: 0px; BORDER-RIGHT-WIDTH: 0px; MARGIN: 0px; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; FONT-FAMILY: ����, Arial; BORDER-TOP-WIDTH: 0px; BORDER-BOTTOM-WIDTH: 0px; BORDER-LEFT-WIDTH: 0px; PADDING-TOP: 0px" alt="" src="https://image.danews.cc/upload/doc/20201012/5f83fb77db240.png" _src="https://image.danews.cc/upload/doc/20201012/5f83fb77db240.png"></P> <P style="PADDING-BOTTOM: 20px; LINE-HEIGHT: 26px; BORDER-RIGHT-WIDTH: 0px; WIDOWS: 2; TEXT-TRANSFORM: none; FONT-STYLE: normal; TEXT-INDENT: 0px; MARGIN: 0px; PADDING-LEFT: 20px; LETTER-SPACING: normal; PADDING-RIGHT: 20px; FONT-FAMILY: ����, Arial; WHITE-SPACE: normal; ORPHANS: 2; BORDER-TOP-WIDTH: 0px; BORDER-BOTTOM-WIDTH: 0px; COLOR: rgb(0,0,0); FONT-SIZE: 14px; BORDER-LEFT-WIDTH: 0px; FONT-WEIGHT: 400; WORD-SPACING: 0px; PADDING-TOP: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial"> 顾名思义,双变换 UPS 需要进行两次电力交换来实现对负载的供电,所以效率损耗较大,通常有高达 4-12% 的损耗,在数据中心通常的 50% 负载下,这一损耗通常更大,这成为制约现代大型数据中心 PUE 提高的主要因素。</P> <P style="PADDING-BOTTOM: 20px; LINE-HEIGHT: 26px; BORDER-RIGHT-WIDTH: 0px; WIDOWS: 2; TEXT-TRANSFORM: none; FONT-STYLE: normal; TEXT-INDENT: 0px; MARGIN: 0px; PADDING-LEFT: 20px; LETTER-SPACING: normal; PADDING-RIGHT: 20px; FONT-FAMILY: ����, Arial; WHITE-SPACE: normal; ORPHANS: 2; BORDER-TOP-WIDTH: 0px; BORDER-BOTTOM-WIDTH: 0px; COLOR: rgb(0,0,0); FONT-SIZE: 14px; BORDER-LEFT-WIDTH: 0px; FONT-WEIGHT: 400; WORD-SPACING: 0px; PADDING-TOP: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial"> 近年来,双变换的 UPS 产品在节能降耗方面也做了大量的技术发展,其中最重要的发展就是 UPS 技术从工频机向高频机发展,从二电平向多电平发展。智能电子升压淘汰了电压器的磁耦合升压,卓越的多电平谐波控制技术,这些不断创新的技术的运用使 UPS 的双变换效率达到了 96% 以上,谐波也控制在了小于 3% 的范围。</P> <P style="PADDING-BOTTOM: 20px; LINE-HEIGHT: 26px; BORDER-RIGHT-WIDTH: 0px; WIDOWS: 2; TEXT-TRANSFORM: none; FONT-STYLE: normal; TEXT-INDENT: 0px; MARGIN: 0px; PADDING-LEFT: 20px; LETTER-SPACING: normal; PADDING-RIGHT: 20px; FONT-FAMILY: ����, Arial; WHITE-SPACE: normal; ORPHANS: 2; BORDER-TOP-WIDTH: 0px; BORDER-BOTTOM-WIDTH: 0px; COLOR: rgb(0,0,0); FONT-SIZE: 14px; BORDER-LEFT-WIDTH: 0px; FONT-WEIGHT: 400; WORD-SPACING: 0px; PADDING-TOP: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial"> 其次,基于对可靠性和可维护性的综合要求,UPS 产品也已经从 B 级的塔式一体机和 C 级的小模块插拔机向着 A 级的大模块组合机方向发展。伊顿 9395 UPS 作为市场典型的 A 级大模块组合机,通过多模块组合、三路供电和多 DSP 控制技术等,确保了 UPS 产品可靠性;并通过使用主功率模块组件的在线维护技术大大提升了产品的可维护性。</P> <P style="PADDING-BOTTOM: 20px; LINE-HEIGHT: 26px; BORDER-RIGHT-WIDTH: 0px; WIDOWS: 2; TEXT-TRANSFORM: none; FONT-STYLE: normal; TEXT-INDENT: 0px; MARGIN: 0px; PADDING-LEFT: 20px; LETTER-SPACING: normal; PADDING-RIGHT: 20px; FONT-FAMILY: ����, Arial; WHITE-SPACE: normal; ORPHANS: 2; BORDER-TOP-WIDTH: 0px; BORDER-BOTTOM-WIDTH: 0px; COLOR: rgb(0,0,0); FONT-SIZE: 14px; BORDER-LEFT-WIDTH: 0px; FONT-WEIGHT: 400; WORD-SPACING: 0px; PADDING-TOP: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial"> 另外,UPS 的大模块化设计可以使产品兼具单机和并机的优点,在并机系统中所有模块互为备份、灵活配置,提高系统可靠性的同时实现灵活的冗余扩展性,提高 UPS 的容量交付能力,伊顿 9395 系列 UPS 容量最大可达 1200kVA。</P> <P style="PADDING-BOTTOM: 20px; LINE-HEIGHT: 26px; BORDER-RIGHT-WIDTH: 0px; WIDOWS: 2; TEXT-TRANSFORM: none; FONT-STYLE: normal; TEXT-INDENT: 0px; MARGIN: 0px; PADDING-LEFT: 20px; LETTER-SPACING: normal; PADDING-RIGHT: 20px; FONT-FAMILY: ����, Arial; WHITE-SPACE: normal; ORPHANS: 2; BORDER-TOP-WIDTH: 0px; BORDER-BOTTOM-WIDTH: 0px; COLOR: rgb(0,0,0); FONT-SIZE: 14px; BORDER-LEFT-WIDTH: 0px; FONT-WEIGHT: 400; WORD-SPACING: 0px; PADDING-TOP: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial"> 第三,双变换 UPS 正向着兼顾储能系统应用的方向发展。储能型 UPS 可与电网进行更好的双向协同,通过移峰填谷降低用电成本。</P> <P style="PADDING-BOTTOM: 20px; LINE-HEIGHT: 26px; BORDER-RIGHT-WIDTH: 0px; WIDOWS: 2; TEXT-TRANSFORM: none; FONT-STYLE: normal; TEXT-INDENT: 0px; MARGIN: 0px; PADDING-LEFT: 20px; LETTER-SPACING: normal; PADDING-RIGHT: 20px; FONT-FAMILY: ����, Arial; WHITE-SPACE: normal; ORPHANS: 2; BORDER-TOP-WIDTH: 0px; BORDER-BOTTOM-WIDTH: 0px; COLOR: rgb(0,0,0); FONT-SIZE: 14px; BORDER-LEFT-WIDTH: 0px; FONT-WEIGHT: 400; WORD-SPACING: 0px; PADDING-TOP: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial"> 伊顿通过技术创新,将优化成本、改善运营等客户期待付诸于实践,希望帮助客户提升能效,从节约能源和较少碳排放角度增加客户的收入与盈利能力,助力客户实现可持续发展。</P> <P style="TEXT-ALIGN: center; PADDING-BOTTOM: 20px; LINE-HEIGHT: 26px; BORDER-RIGHT-WIDTH: 0px; WIDOWS: 2; TEXT-TRANSFORM: none; FONT-STYLE: normal; TEXT-INDENT: 0px; MARGIN: 0px; PADDING-LEFT: 20px; LETTER-SPACING: normal; PADDING-RIGHT: 20px; FONT-FAMILY: ����, Arial; WHITE-SPACE: normal; ORPHANS: 2; BORDER-TOP-WIDTH: 0px; BORDER-BOTTOM-WIDTH: 0px; COLOR: rgb(0,0,0); FONT-SIZE: 14px; BORDER-LEFT-WIDTH: 0px; FONT-WEIGHT: 400; WORD-SPACING: 0px; PADDING-TOP: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial"><IMG style="PADDING-BOTTOM: 0px; BORDER-RIGHT-WIDTH: 0px; MARGIN: 0px; PADDING-LEFT: 0px; WIDTH: 500px; PADDING-RIGHT: 0px; FONT-FAMILY: ����, Arial; BORDER-TOP-WIDTH: 0px; BORDER-BOTTOM-WIDTH: 0px; HEIGHT: 332px; BORDER-LEFT-WIDTH: 0px; PADDING-TOP: 0px" alt="" src="https://image.danews.cc/upload/doc/20201012/5f83f8c51a4b3.png" _src="https://image.danews.cc/upload/doc/20201012/5f83f8c51a4b3.png"></P> <P style="TEXT-ALIGN: center; PADDING-BOTTOM: 20px; LINE-HEIGHT: 26px; BORDER-RIGHT-WIDTH: 0px; WIDOWS: 2; TEXT-TRANSFORM: none; FONT-STYLE: normal; TEXT-INDENT: 0px; MARGIN: 0px; PADDING-LEFT: 20px; LETTER-SPACING: normal; PADDING-RIGHT: 20px; FONT-FAMILY: ����, Arial; WHITE-SPACE: normal; ORPHANS: 2; BORDER-TOP-WIDTH: 0px; BORDER-BOTTOM-WIDTH: 0px; COLOR: rgb(0,0,0); FONT-SIZE: 14px; BORDER-LEFT-WIDTH: 0px; FONT-WEIGHT: 400; WORD-SPACING: 0px; PADDING-TOP: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial">伊顿 Power Xpert™ 9395 系列 UPS</P> <P style="PADDING-BOTTOM: 20px; LINE-HEIGHT: 26px; BORDER-RIGHT-WIDTH: 0px; WIDOWS: 2; TEXT-TRANSFORM: none; FONT-STYLE: normal; TEXT-INDENT: 0px; MARGIN: 0px; PADDING-LEFT: 20px; LETTER-SPACING: normal; PADDING-RIGHT: 20px; FONT-FAMILY: ����, Arial; WHITE-SPACE: normal; ORPHANS: 2; BORDER-TOP-WIDTH: 0px; BORDER-BOTTOM-WIDTH: 0px; COLOR: rgb(0,0,0); FONT-SIZE: 14px; BORDER-LEFT-WIDTH: 0px; FONT-WEIGHT: 400; WORD-SPACING: 0px; PADDING-TOP: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial"> <STRONG style="PADDING-BOTTOM: 0px; BORDER-RIGHT-WIDTH: 0px; MARGIN: 0px; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; FONT-FAMILY: ����, Arial; BORDER-TOP-WIDTH: 0px; BORDER-BOTTOM-WIDTH: 0px; BORDER-LEFT-WIDTH: 0px; PADDING-TOP: 0px">HVDC 供电制式</STRONG></P> <P style="PADDING-BOTTOM: 20px; LINE-HEIGHT: 26px; BORDER-RIGHT-WIDTH: 0px; WIDOWS: 2; TEXT-TRANSFORM: none; FONT-STYLE: normal; TEXT-INDENT: 0px; MARGIN: 0px; PADDING-LEFT: 20px; LETTER-SPACING: normal; PADDING-RIGHT: 20px; FONT-FAMILY: ����, Arial; WHITE-SPACE: normal; ORPHANS: 2; BORDER-TOP-WIDTH: 0px; BORDER-BOTTOM-WIDTH: 0px; COLOR: rgb(0,0,0); FONT-SIZE: 14px; BORDER-LEFT-WIDTH: 0px; FONT-WEIGHT: 400; WORD-SPACING: 0px; PADDING-TOP: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial"> 基于绝大部分原先由 AC 220V 供电的数据设备负载可以直接用 276V 直流供电,近年在中国市场衍生出了高压直流 HVDC 供电制式。</P> <P style="PADDING-BOTTOM: 20px; LINE-HEIGHT: 26px; BORDER-RIGHT-WIDTH: 0px; WIDOWS: 2; TEXT-TRANSFORM: none; FONT-STYLE: normal; TEXT-INDENT: 0px; MARGIN: 0px; PADDING-LEFT: 20px; LETTER-SPACING: normal; PADDING-RIGHT: 20px; FONT-FAMILY: ����, Arial; WHITE-SPACE: normal; ORPHANS: 2; BORDER-TOP-WIDTH: 0px; BORDER-BOTTOM-WIDTH: 0px; COLOR: rgb(0,0,0); FONT-SIZE: 14px; BORDER-LEFT-WIDTH: 0px; FONT-WEIGHT: 400; WORD-SPACING: 0px; PADDING-TOP: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial"> HVDC供电制式的定义为:</P> <P style="PADDING-BOTTOM: 20px; LINE-HEIGHT: 26px; BORDER-RIGHT-WIDTH: 0px; WIDOWS: 2; TEXT-TRANSFORM: none; FONT-STYLE: normal; TEXT-INDENT: 0px; MARGIN: 0px; PADDING-LEFT: 20px; LETTER-SPACING: normal; PADDING-RIGHT: 20px; FONT-FAMILY: ����, Arial; WHITE-SPACE: normal; ORPHANS: 2; BORDER-TOP-WIDTH: 0px; BORDER-BOTTOM-WIDTH: 0px; COLOR: rgb(0,0,0); FONT-SIZE: 14px; BORDER-LEFT-WIDTH: 0px; FONT-WEIGHT: 400; WORD-SPACING: 0px; PADDING-TOP: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial"> 相对于24V/48V通信电源,276V电压较高,所以被定义为HVDC(与电网的HVDC无关)。</P> <P style="PADDING-BOTTOM: 20px; LINE-HEIGHT: 26px; BORDER-RIGHT-WIDTH: 0px; WIDOWS: 2; TEXT-TRANSFORM: none; FONT-STYLE: normal; TEXT-INDENT: 0px; MARGIN: 0px; PADDING-LEFT: 20px; LETTER-SPACING: normal; PADDING-RIGHT: 20px; FONT-FAMILY: ����, Arial; WHITE-SPACE: normal; ORPHANS: 2; BORDER-TOP-WIDTH: 0px; BORDER-BOTTOM-WIDTH: 0px; COLOR: rgb(0,0,0); FONT-SIZE: 14px; BORDER-LEFT-WIDTH: 0px; FONT-WEIGHT: 400; WORD-SPACING: 0px; PADDING-TOP: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial"> 正常路径:在市电供电正常时,HVDC经过AC/DC变换输出直流电(276V或380V)给数据设备负载供电;</P> <P style="PADDING-BOTTOM: 20px; LINE-HEIGHT: 26px; BORDER-RIGHT-WIDTH: 0px; WIDOWS: 2; TEXT-TRANSFORM: none; FONT-STYLE: normal; TEXT-INDENT: 0px; MARGIN: 0px; PADDING-LEFT: 20px; LETTER-SPACING: normal; PADDING-RIGHT: 20px; FONT-FAMILY: ����, Arial; WHITE-SPACE: normal; ORPHANS: 2; BORDER-TOP-WIDTH: 0px; BORDER-BOTTOM-WIDTH: 0px; COLOR: rgb(0,0,0); FONT-SIZE: 14px; BORDER-LEFT-WIDTH: 0px; FONT-WEIGHT: 400; WORD-SPACING: 0px; PADDING-TOP: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial"> 后备路径:在市电供电中断时,蓄电池经直接给数据设备负载供电;</P> <P style="PADDING-BOTTOM: 20px; LINE-HEIGHT: 26px; BORDER-RIGHT-WIDTH: 0px; WIDOWS: 2; TEXT-TRANSFORM: none; FONT-STYLE: normal; TEXT-INDENT: 0px; MARGIN: 0px; PADDING-LEFT: 20px; LETTER-SPACING: normal; PADDING-RIGHT: 20px; FONT-FAMILY: ����, Arial; WHITE-SPACE: normal; ORPHANS: 2; BORDER-TOP-WIDTH: 0px; BORDER-BOTTOM-WIDTH: 0px; COLOR: rgb(0,0,0); FONT-SIZE: 14px; BORDER-LEFT-WIDTH: 0px; FONT-WEIGHT: 400; WORD-SPACING: 0px; PADDING-TOP: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial"> 紧急路径:无</P> <P style="TEXT-ALIGN: center; PADDING-BOTTOM: 20px; LINE-HEIGHT: 26px; BORDER-RIGHT-WIDTH: 0px; WIDOWS: 2; TEXT-TRANSFORM: none; FONT-STYLE: normal; TEXT-INDENT: 0px; MARGIN: 0px; PADDING-LEFT: 20px; LETTER-SPACING: normal; PADDING-RIGHT: 20px; FONT-FAMILY: ����, Arial; WHITE-SPACE: normal; ORPHANS: 2; BORDER-TOP-WIDTH: 0px; BORDER-BOTTOM-WIDTH: 0px; COLOR: rgb(0,0,0); FONT-SIZE: 14px; BORDER-LEFT-WIDTH: 0px; FONT-WEIGHT: 400; WORD-SPACING: 0px; PADDING-TOP: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial"><IMG style="PADDING-BOTTOM: 0px; BORDER-RIGHT-WIDTH: 0px; MARGIN: 0px; PADDING-LEFT: 0px; WIDTH: 500px; PADDING-RIGHT: 0px; FONT-FAMILY: ����, Arial; BORDER-TOP-WIDTH: 0px; BORDER-BOTTOM-WIDTH: 0px; HEIGHT: 163px; BORDER-LEFT-WIDTH: 0px; PADDING-TOP: 0px" alt="" src="https://image.danews.cc/upload/doc/20201012/5f83f94c2444d.jpg" _src="https://image.danews.cc/upload/doc/20201012/5f83f94c2444d.jpg"></P> <P style="PADDING-BOTTOM: 20px; LINE-HEIGHT: 26px; BORDER-RIGHT-WIDTH: 0px; WIDOWS: 2; TEXT-TRANSFORM: none; FONT-STYLE: normal; TEXT-INDENT: 0px; MARGIN: 0px; PADDING-LEFT: 20px; LETTER-SPACING: normal; PADDING-RIGHT: 20px; FONT-FAMILY: ����, Arial; WHITE-SPACE: normal; ORPHANS: 2; BORDER-TOP-WIDTH: 0px; BORDER-BOTTOM-WIDTH: 0px; COLOR: rgb(0,0,0); FONT-SIZE: 14px; BORDER-LEFT-WIDTH: 0px; FONT-WEIGHT: 400; WORD-SPACING: 0px; PADDING-TOP: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial"> <STRONG style="PADDING-BOTTOM: 0px; BORDER-RIGHT-WIDTH: 0px; MARGIN: 0px; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; FONT-FAMILY: ����, Arial; BORDER-TOP-WIDTH: 0px; BORDER-BOTTOM-WIDTH: 0px; BORDER-LEFT-WIDTH: 0px; PADDING-TOP: 0px">你所理解的 HVDC 供电制式是这样吗</STRONG></P> <P style="PADDING-BOTTOM: 20px; LINE-HEIGHT: 26px; BORDER-RIGHT-WIDTH: 0px; WIDOWS: 2; TEXT-TRANSFORM: none; FONT-STYLE: normal; TEXT-INDENT: 0px; MARGIN: 0px; PADDING-LEFT: 20px; LETTER-SPACING: normal; PADDING-RIGHT: 20px; FONT-FAMILY: ����, Arial; WHITE-SPACE: normal; ORPHANS: 2; BORDER-TOP-WIDTH: 0px; BORDER-BOTTOM-WIDTH: 0px; COLOR: rgb(0,0,0); FONT-SIZE: 14px; BORDER-LEFT-WIDTH: 0px; FONT-WEIGHT: 400; WORD-SPACING: 0px; PADDING-TOP: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial"> 事实上,HVDC 是三级变换,并不是一个节能产品,最新的 HVDC 产品效率在 96.5%-97%,典型的 HVDC 模块效率仅达 94%-96%。同时,无应急供电路径及电池直挂负载母线的问题,都给数据中心埋下隐患。</P> <P style="PADDING-BOTTOM: 20px; LINE-HEIGHT: 26px; BORDER-RIGHT-WIDTH: 0px; WIDOWS: 2; TEXT-TRANSFORM: none; FONT-STYLE: normal; TEXT-INDENT: 0px; MARGIN: 0px; PADDING-LEFT: 20px; LETTER-SPACING: normal; PADDING-RIGHT: 20px; FONT-FAMILY: ����, Arial; WHITE-SPACE: normal; ORPHANS: 2; BORDER-TOP-WIDTH: 0px; BORDER-BOTTOM-WIDTH: 0px; COLOR: rgb(0,0,0); FONT-SIZE: 14px; BORDER-LEFT-WIDTH: 0px; FONT-WEIGHT: 400; WORD-SPACING: 0px; PADDING-TOP: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial"> 在应用方面,HVDC 模块容量小,需要更多的模块并联组成系统所需容量,降低了系统可靠性。HVDC 供电制式无法给部分网络设备供电,会导致交流、直流在 IT 端的混合供电,也无法给数据中心关键物理基础设施风机、冷机水泵等设备供电,这将使 HVDC 电源与 UPS 在数据中心并存,导致电源品类管理与维护的复杂化。</P> <P style="PADDING-BOTTOM: 20px; LINE-HEIGHT: 26px; BORDER-RIGHT-WIDTH: 0px; WIDOWS: 2; TEXT-TRANSFORM: none; FONT-STYLE: normal; TEXT-INDENT: 0px; MARGIN: 0px; PADDING-LEFT: 20px; LETTER-SPACING: normal; PADDING-RIGHT: 20px; FONT-FAMILY: ����, Arial; WHITE-SPACE: normal; ORPHANS: 2; BORDER-TOP-WIDTH: 0px; BORDER-BOTTOM-WIDTH: 0px; COLOR: rgb(0,0,0); FONT-SIZE: 14px; BORDER-LEFT-WIDTH: 0px; FONT-WEIGHT: 400; WORD-SPACING: 0px; PADDING-TOP: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial"> 另外,相对于交流供电,将降低数据中心的安全性。实验表明,交流服务器输入端的拨动开关、交流 PDU 如果直接采用直流供电,在分断电流时将出现拉弧、烧毁或燃烧等现象的概率会显著提高。</P> <P style="PADDING-BOTTOM: 20px; LINE-HEIGHT: 26px; BORDER-RIGHT-WIDTH: 0px; WIDOWS: 2; TEXT-TRANSFORM: none; FONT-STYLE: normal; TEXT-INDENT: 0px; MARGIN: 0px; PADDING-LEFT: 20px; LETTER-SPACING: normal; PADDING-RIGHT: 20px; FONT-FAMILY: ����, Arial; WHITE-SPACE: normal; ORPHANS: 2; BORDER-TOP-WIDTH: 0px; BORDER-BOTTOM-WIDTH: 0px; COLOR: rgb(0,0,0); FONT-SIZE: 14px; BORDER-LEFT-WIDTH: 0px; FONT-WEIGHT: 400; WORD-SPACING: 0px; PADDING-TOP: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial"> <STRONG style="PADDING-BOTTOM: 0px; BORDER-RIGHT-WIDTH: 0px; MARGIN: 0px; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; FONT-FAMILY: ����, Arial; BORDER-TOP-WIDTH: 0px; BORDER-BOTTOM-WIDTH: 0px; BORDER-LEFT-WIDTH: 0px; PADDING-TOP: 0px">MVDC 供电制式</STRONG></P> <P style="PADDING-BOTTOM: 20px; LINE-HEIGHT: 26px; BORDER-RIGHT-WIDTH: 0px; WIDOWS: 2; TEXT-TRANSFORM: none; FONT-STYLE: normal; TEXT-INDENT: 0px; MARGIN: 0px; PADDING-LEFT: 20px; LETTER-SPACING: normal; PADDING-RIGHT: 20px; FONT-FAMILY: ����, Arial; WHITE-SPACE: normal; ORPHANS: 2; BORDER-TOP-WIDTH: 0px; BORDER-BOTTOM-WIDTH: 0px; COLOR: rgb(0,0,0); FONT-SIZE: 14px; BORDER-LEFT-WIDTH: 0px; FONT-WEIGHT: 400; WORD-SPACING: 0px; PADDING-TOP: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial"> MVDC(巴拿马电源)在 HVDC 技术之后,被下一代超大规模数据中心视为供电系统的又一新选择。</P> <P style="PADDING-BOTTOM: 20px; LINE-HEIGHT: 26px; BORDER-RIGHT-WIDTH: 0px; WIDOWS: 2; TEXT-TRANSFORM: none; FONT-STYLE: normal; TEXT-INDENT: 0px; MARGIN: 0px; PADDING-LEFT: 20px; LETTER-SPACING: normal; PADDING-RIGHT: 20px; FONT-FAMILY: ����, Arial; WHITE-SPACE: normal; ORPHANS: 2; BORDER-TOP-WIDTH: 0px; BORDER-BOTTOM-WIDTH: 0px; COLOR: rgb(0,0,0); FONT-SIZE: 14px; BORDER-LEFT-WIDTH: 0px; FONT-WEIGHT: 400; WORD-SPACING: 0px; PADDING-TOP: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial"> MVDC 是由中压 10kV 交流输入,240V/336 直流输出的数据中心电源系统。其系统供电原理、电压等级/制式、变换层级、输入/输出配电系统、电池系统,与原先的 HVDC 几乎完全一样,只是系统效率提升至 97%,但是中压变压器的设计与制造更加复杂化。同时,交付的单设备容量明显提高,使电源工厂的系统集成能力被提高。</P> <P style="TEXT-ALIGN: center; PADDING-BOTTOM: 20px; LINE-HEIGHT: 26px; BORDER-RIGHT-WIDTH: 0px; WIDOWS: 2; TEXT-TRANSFORM: none; FONT-STYLE: normal; TEXT-INDENT: 0px; MARGIN: 0px; PADDING-LEFT: 20px; LETTER-SPACING: normal; PADDING-RIGHT: 20px; FONT-FAMILY: ����, Arial; WHITE-SPACE: normal; ORPHANS: 2; BORDER-TOP-WIDTH: 0px; BORDER-BOTTOM-WIDTH: 0px; COLOR: rgb(0,0,0); FONT-SIZE: 14px; BORDER-LEFT-WIDTH: 0px; FONT-WEIGHT: 400; WORD-SPACING: 0px; PADDING-TOP: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial"><IMG style="PADDING-BOTTOM: 0px; BORDER-RIGHT-WIDTH: 0px; MARGIN: 0px; PADDING-LEFT: 0px; WIDTH: 500px; PADDING-RIGHT: 0px; FONT-FAMILY: ����, Arial; BORDER-TOP-WIDTH: 0px; BORDER-BOTTOM-WIDTH: 0px; HEIGHT: 200px; BORDER-LEFT-WIDTH: 0px; PADDING-TOP: 0px" alt="" src="https://image.danews.cc/upload/doc/20201012/5f83f8c479b24.png" _src="https://image.danews.cc/upload/doc/20201012/5f83f8c479b24.png"></P> <P style="PADDING-BOTTOM: 20px; LINE-HEIGHT: 26px; BORDER-RIGHT-WIDTH: 0px; WIDOWS: 2; TEXT-TRANSFORM: none; FONT-STYLE: normal; TEXT-INDENT: 0px; MARGIN: 0px; PADDING-LEFT: 20px; LETTER-SPACING: normal; PADDING-RIGHT: 20px; FONT-FAMILY: ����, Arial; WHITE-SPACE: normal; ORPHANS: 2; BORDER-TOP-WIDTH: 0px; BORDER-BOTTOM-WIDTH: 0px; COLOR: rgb(0,0,0); FONT-SIZE: 14px; BORDER-LEFT-WIDTH: 0px; FONT-WEIGHT: 400; WORD-SPACING: 0px; PADDING-TOP: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial"> 通过对现代数据中心供电制式的综合剖析,伊顿期待能够加深设计院电气设计专家对 5G、云时代数据中心供电制式的全面理解与评估,设计出最符合客户需求的数据中心供电系统。</P> <P style="PADDING-BOTTOM: 20px; LINE-HEIGHT: 26px; BORDER-RIGHT-WIDTH: 0px; WIDOWS: 2; TEXT-TRANSFORM: none; FONT-STYLE: normal; TEXT-INDENT: 0px; MARGIN: 0px; PADDING-LEFT: 20px; LETTER-SPACING: normal; PADDING-RIGHT: 20px; FONT-FAMILY: ����, Arial; WHITE-SPACE: normal; ORPHANS: 2; BORDER-TOP-WIDTH: 0px; BORDER-BOTTOM-WIDTH: 0px; COLOR: rgb(0,0,0); FONT-SIZE: 14px; BORDER-LEFT-WIDTH: 0px; FONT-WEIGHT: 400; WORD-SPACING: 0px; PADDING-TOP: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial"> 伊顿一直密切关注现代数据中心行业的供电需求,基于广泛的成功实践,致力于为用户的数据中心基础设施架构提供高可靠、高可用及绿色节能的系统解决方案。针对用户普遍面临的节能痛点,在全球首创了专利的交流直供供电制式,这一制式不仅适用于数据中心,也适用于全行业各种关键应用场景,而且其性能与需求的高度匹配在全球范围的实践运行中得到了充分验证。</P>