RACK PDU FOR GREEN DATA CENTERS

The rack power distribution unit (rack PDU) is emerging from obscurity. A wide variety of rack PDU configurations is available based on parameters such as the number of phases, voltage, total ampere, branch circuits, number of outlets, socket type, plug type, rack units consumed, and physical dimensions. A rack PDU is mounted in Information Technology equipment (ITE) rack and provides electrical power to various IT devices such as servers, networking, and storage equipment. Rack PDUs are the final endpoint of power supplied to ITE from incoming building feeds through a chain of equipment including UPS, transformers, and larger PDUs and circuit panels. Data collection is the fundamental component that enables reporting and other management functions. The main components of element management include centralized rack PDU access and control, firmware management, and bulk configuration. The chapter deals with ways to deploy electrical power to a rack and determining how much power to deploy to a rack.