Abstract: A data center cooling system includes an evaporative cooling system. The evaporative cooling system includes fans configured to circulate outside air at ambient conditions through an entry zone of a data center, and atomizers positioned upstream of the entry zone configured to spray atomized water into the circulating outside air. The atomized water evaporates in an evaporation zone and cools the outside air to produce cooled air, which is directed through racks of computers positioned downstream of the evaporation zone.

Abstract: An electric power supply unit includes a primary stage having an electric converter arranged to increase a frequency of AC power provided to an input of the power supply unit; a transformer stage connected to receive AC power from the primary stage and to reduce a voltage level of the AC power; and a secondary stage connected to receive the AC power at the reduced voltage level and the increased frequency and having a rectifier and power factor correction circuit arranged to convert the AC power to DC power and to provide power factor correction for power entering the power supply unit.

Abstract: A method for providing for conditioning of a computer data center includes supplying a working fluid from a common fluid plane to a plurality of power/cooling units distributed across a data center facility in proximity to electronic equipment that is distributed across the data center facility; converting the working fluid into electric power and cooling capacity at each of the plurality of power/cooling units; and supplying the electric power to a common electric power plane serving a plurality of racks of the electronic equipment in the data center facility and being served by a plurality of the power/cooling units in the data center facility, wherein the common fluid plane serves at least 10 percent of the power/cooling units in the data center facility and the common electric power plane serves at most 5 percent of the electronic equipment in the data center facility.

Abstract: A method of cooling electronic equipment is disclosed and includes substantially continuously circulating ambient air across a plurality of rack-mounted electronic devices, monitoring the temperature of air in or around a group of devices in the plurality of rack-mounted electronic devices, and providing substantially cooler-than-ambient air to the group of devices when the monitored air temperatures rises above a set value.

Abstract: A data center cooling system is disclosed. The system includes a plurality of computer racks arranged in a plurality of substantially parallel rows, cooling units associated with the computer racks and arranged in substantially parallel rows to cool air warmed by the cooling racks, and cooling fluid supply and return conduits that are divided by isolation valves into a plurality of cooling sub-loops, wherein adjacent cooling units in a common row are supplied from different sub-loops, and individual sub-loops serve cooling units in multiple rows, so as to provide water-side diversity across the cooling system.

Abstract: A method of cooling electronic equipment is disclosed and includes substantially continuously circulating ambient air across a plurality of rack-mounted electronic devices, monitoring the temperature of air in or around a group of devices in the plurality of rack-mounted electronic devices, and providing substantially cooler-than-ambient air to the group of devices when the monitored air temperatures rises above a set value.

Abstract: A method of providing cooling by a cooling system to a computer data center. The method includes providing a plurality of air-and-water radiators and one or more chillers, the chillers each having a first side in fluid communication with a chilled water loop and a second side in communication with a condenser water loop. The method also includes circulating a first portion of return water coming from the computer data center to a first subset of the air-and-water radiators and through the condenser water loop, circulating a second portion of the return water from the computer data center to a second subset of the air-and-water radiators and through the chilled water loop, and circulating the first portion and the second portion of the return water to the computer data center as cooled supply water.

Abstract: A data center includes an enclosure defining an interior space, a medium voltage power distribution system in the interior space, a plurality of transformers in the interior space, and a plurality of groups of racks in the interior space. The medium voltage power distribution system is electrically connected to a medium voltage power source outside the enclosure and includes a plurality of interconnected medium voltage power access units. Each transformer is electrically connected to an associated medium voltage power access unit and configured to step-down medium voltage power from the associated power access unit to low voltage power. Each rack includes a plurality of rack-mounted computers. Each group of racks is electrically connected to an associated transformer or to an adjacent rack or group of racks such that the associated transformer provides low voltage power to the group of racks.

Abstract: A datacenter cooling apparatus includes a portable housing having lifting and transporting structures for moving the apparatus, opposed sides in the housing, at least one of the opposed sides defining one or more air passage openings arranged to capture warmed air from rack-mounted electronics, opposed ends in the housing, at least one of the opposed ends defining one or more air passage openings positioned to allow lateral passage of captured air into and out of the housing, and one or more cooling coils associated with the housing to receive and cool the captured warm air, and provide the cooled air for circulation into a datacenter workspace.

Abstract: A system includes a cooling water intake conduit having a water intake in a submerged area of an open natural body of water, a first water-to-water heat exchanger having a first side in fluid communication with the cooling water intake conduit, and a closed water loop in fluid communication with a second side of the water-to-water heat exchanger and arranged to route water to cooling structures at a computer data center.

Abstract: A data center cooling system includes a floor structure defining a below-floor warm-air plenum and an above-floor cool air plenum, a plurality of above-floor computer assemblies arranged to exhaust warmed air into the warm-air plenum, and one or more fan-coil arrangements to draw air from the warm-air plenum, cool the air, and provide the air to the cool air plenum. The volume of the above-floor cool air plenum and the below-floor warm air plenum may both be substantial so as to minimize changes in temperature from the failure of components in the system.

Abstract: A computer system may include a connecting hub having a plurality of docking regions and be configured to provide to each docking region electrical power, a data network interface, a cooling fluid supply and a cooling fluid return; and a plurality of shipping containers that each enclose a modular computing environment that incrementally adds computing power to the system. Each shipping container may include a) a plurality of processing units coupled to the data network interface, each of which include a microprocessor; b) a heat exchanger configured to remove heat generated by the plurality of processing units by circulating cooling fluid from the supply through the heat exchanger and discharging it into the return; and c) docking members configured to releaseably couple to the connecting hub at one of the docking regions to receive electrical power, connect to the data network interface, and receive and discharge cooling fluid.

Abstract: A method for cooling electronic equipment can include flowing cooling air across a plurality of computer units and into a common warm air plenum located at a first end of the computer units; flowing air from the warm air plenum through one or more cooling units, and into an area located at a second end of the computer units; and controlling a flow rate of air out of the warm air plenum to maintain a predetermined pressure differential between the second end of the computer units and the first end of the computer units.

Abstract: Apparatus and associated method and computer program products involve a highly efficient uninterruptible power distribution architecture to support modular processing units. As an illustrative example, a modular processing unit includes an corresponding uninterruptible power system in which only one AC-to-DC rectification occurs between the utility AC grid and the processing circuit (e.g., microprocessor) loads. In an illustrative data center facility, a power distribution architecture includes a modular array of rack-mountable processing units, each of which has processing circuitry to handle network-related processing tasks. Associated with each modular processing unit is an uninterruptible power supply (UPS) to supply operating power to the network processing circuitry. Each UPS includes a battery selectively connectable across a DC bus, and a AC-to-DC rectifier that converts an AC input voltage to a single output voltage on the DC bus.

Abstract: A computer data center system includes stacks of computers, each of the stacks computer motherboard assemblies arranged vertically with respect to one another, a first row of stacks, the row defined by stacks arranged adjacent to each other in a horizontal line of stacks, and a cool air supply plenum adjacent to the first row of stacks. The cool air supply plenum supplies cool air to a first side of the first row of stacks for cooling computers placed in the stacks, and has a longitudinal axis substantially parallel with an average air flow of cooling air in the plenum. Computer assemblies in the first row of stacks include portions that are closer to the longitudinal axis of the cool air supply plenum than other portions of the same assemblies, or portions of adjacent computer assemblies that are closest to the longitudinal axis for the adjacent assemblies.

Abstract: A method for cooling electronic equipment can include flowing cooling air across a plurality of computer units and into a common warm air plenum located at a first end of the computer units; flowing air from the warm air plenum through one or more cooling units, and into an area located at a second end of the computer units; and controlling a flow rate of air out of the warm air plenum to maintain a predetermined pressure differential between the second end of the computer units and the first end of the computer units.

Abstract: Apparatus and associated method and computer program products involve a highly efficient uninterruptible power distribution architecture to support modular processing units. As an illustrative example, a modular processing unit includes an corresponding uninterruptible power system in which only one AC-to-DC rectification occurs between the utility AC grid and the processing circuit (e.g., microprocessor) loads. In an illustrative data center facility, a power distribution architecture includes a modular array of rack-mountable processing units, each of which has processing circuitry to handle network-related processing tasks. Associated with each modular processing unit is an uninterruptible power supply (UPS) to supply operating power to the network processing circuitry. Each UPS includes a battery selectively connectable across a DC bus, and a AC-to-DC rectifier that converts an AC input voltage to a single output voltage on the DC bus.

Abstract: A system for cooling air in a data center includes a data center having electronic equipment in operation, a cooling water source, and a plurality of on-floor cooling units. The cooling water source is configured to retain at maximum capacity a total amount of water. Each on-floor cooling unit is configured to cool air heated by a portion of the electronic equipment in the data center using water from the cooling water source. The total amount of water is insufficient to maintain a leaving air temperature of each on-floor cooling unit below an inside setpoint when a temperature outside of the data center is above a predetermined external temperature.

Abstract: A system for cooling a computer data center includes a computer data center building; a plurality of computer racks arranged in a plurality of linear rows inside the computer data center building, with particular ones of the racks housing a plurality of computer systems; a plurality of cooling fluid conduits; and a plurality of cooling plants arranged outside the computer data center building along an exterior wall of the computer data center building. At least one of the cooling plants corresponds to one or more particular ones of the cooling fluid conduits and provides cooling for the corresponding conduit.

Abstract: A method of providing utilities to a computer data center is discussed. The method includes initially connecting one or more non-evaporative cooling units to a data center as primary cooling plants, obtaining a government-issued water permit, and after obtaining the government-issued water permit, transitioning primary cooling for the data center to one or more evaporative cooling towers.