Abstract: A data center includes a floor; a side wall configured to partition a space above the floor into a room; a plurality of heat generating device columns arranged in a row direction on the floor, each of the plurality of heat generating device columns including a plurality of heat generating devices that are arranged to form a column in a column direction; an air blower including a plurality of air outlets disposed along a side with respect to the row direction, facing the plurality of heat generating device columns, the air blower being configured to blow air in the column direction from, the plurality of air outlets; and an inclined ceiling that increases in height from a first side toward a second side in the row direction.

Abstract: A data center includes a floor; a side wall configured to partition a space above the floor into a room; a plurality of server columns arranged in a row direction on the floor, each of the plurality of server columns including a plurality of servers that are arranged to form a column in a column direction; an inclined ceiling that increases in height from a first side toward a second side in the column direction; and a first cable tray configured to hold a first cable, the first cable tray being provided in a space below the inclined ceiling on the first side in the column direction, and extending along the row direction.

Abstract: An electrical power system and a method of managing electrical power. Some embodiments provide improved fault isolation and service continuity circuitry. In some embodiments, a first source breaker is connected in series with a first load breaker. The load breaker can include a shunt trip, and the source breaker can include an associated lockout relay. The lockout relay can be in controlling communication with the shunt trip. Each source breaker can be in power-receiving connection with a power source. A controller can close and open the breakers according to which power source can provide power.