This paper compares five power distribution approaches including panelboard distribution, field-wired PDU distribution, factory-configured PDU distribution, floor-mount modular power distribution, and modular busway, and describes their advantages and disadvantages. Utility & Backup Power Integration The cabinet receives power from transformers, generators, or UPS systems and acts as the main interface between utility power and the data center's internal electrical network. Centralized Power Distribution High-current input power is divided into multiple. The modular data center indicated here is built with a number of racks, UPSs, power distribution cabinets, power distribution units, air conditioners (in-row cooling) and more equipment that provides network, cabling, and monitoring functions and operates independently. All components of the module. In 1941, the successful revolution of data processing (DP) was started and hence the development of data centres (DaC). For the first time ever, engineer Konrad Zuse con-structed an automatic computing machine – the Z3 – for the four basic arithmetic operations plus finding roots using. Micro-module computer room is suitable for high-density computer room, with obvious energy saving advantages The traditional computer room adopts the solution of room-level precision air-conditioning, which is mainly suitable for medium-density computer rooms with a power of 3-5kW per cabinet. ABB Drives is a global technology leader serving industries, infrastructure and machine builders with world-class drives, drive systems and packages.