艾默生网络能源有限公司 朱利伟 曹播
2007年2月,绿色网格组织(Green Grid)制定了数据中心的能效比指标,分别叫PUE (Power Usage Effectiveness)和DCiE( Data Center Infrastructure Effectiveness),
一、定义:
能量使用效率PUE: Power Usage Effectiveness
数据中心基础设施效率DCiE: Data Center Infrastructure Efficiency
![数据中心能效定量评价指标_评价指标](https://s2.51cto.com/attachment/200911/200911111257902388937.jpg?x-oss-process=image/resize,m_fixed,w_1184)
![数据中心能效定量评价指标_能效定量_02](https://s2.51cto.com/attachment/200911/200911111257902397953.jpg?x-oss-process=image/resize,m_fixed,w_1184)
数据中心分成IT设备和Infrastructure (基础设施)两个部分,两个部分能效的乘积才是整个数据中心的能效,详见图1。
IT设备部分的能效评价指标还在定义之中,而Infrastructure(基础设施)部分的能效定义即PUE and DCiE。
![数据中心能效定量评价指标_数据中心_03](https://s2.51cto.com/attachment/200911/200911111257902453609.jpg?x-oss-process=image/resize,m_fixed,w_1184)
![数据中心能效定量评价指标_休闲_04](https://s2.51cto.com/attachment/200911/200911111257902477500.jpg?x-oss-process=image/resize,m_fixed,w_1184)
![数据中心能效定量评价指标_评价指标_05](https://s2.51cto.com/attachment/200911/200911111257902506937.jpg?x-oss-process=image/resize,m_fixed,w_1184)
![数据中心能效定量评价指标_数据中心_06](https://s2.51cto.com/attachment/200911/200911111257902519390.jpg?x-oss-process=image/resize,m_fixed,w_1184)
DCiE定义了数据中心总能效也就是数据中心生产率(包括IT层和Infrastructure层):
![数据中心能效定量评价指标_数据中心_07](https://s2.51cto.com/attachment/200911/200911111257902561734.jpg?x-oss-process=image/resize,m_fixed,w_1184)
![数据中心能效定量评价指标_职场_08](https://s2.51cto.com/attachment/200911/200911111257902572906.jpg?x-oss-process=image/resize,m_fixed,w_1184)
数据中心总能耗=制冷用电负荷+供配电能耗+IT设备能耗,
Total Facility Power=Cooling Load +Power Equipment Loss+ IT Equipment Load,
所以PUE指标分解为:
![数据中心能效定量评价指标_休闲_09](https://s2.51cto.com/attachment/200911/200911111257902611703.jpg?x-oss-process=image/resize,m_fixed,w_1184)