Vertiv Patente

A system for thermal protection in a power distribution apparatus is disclosed. A power distribution system includes first and second silicon-controlled rectifiers (SCRs) coupled to a heat sink. A first temperature sensor configured to sense a temperature of the first SCR while a second temperature sensor configured to sense a temperature of the second SCR. A control unit is configured to compare a temperature from the first temperature sensor to a plurality of temperature thresholds while the second SCR is disconnected from a load. The control unit generates a warning in response to the temperature reading from the first temperature sensor exceeding a first threshold but not a second threshold. The control unit may further cause disconnection of the first SCR from the load and connection of the second SCR to the load in response to the temperature reading from the first temperature sensor exceeding the second threshold.

The present application discloses a device, method, apparatus and medium for short-circuit detection of a switching device and an uninterruptible power supply, for performing a short-circuit detection of a switching device connected between a positive electrode and a negative electrode of a battery within the uninterruptible power supply, so as to avoid failures in the uninterruptible power supply due to short-circuit of the switching device and to improve the reliability of the uninterruptible power supply. The uninterruptible power supply includes: a rectifying module connected between mains electricity and a busbar and comprising a first rectifying sub-module and a second rectifying sub-module, a battery, and a charge-discharge module connected between the battery and the busbar and comprising at least: a first switching device connected between the positive and negative electrodes of the battery, and a second switching device connected between the negative electrode of the battery and a negative electrode of the busbar; the positive electrode of the battery is connected with respective alternating-current ports of the first rectifying sub-module via relays, the negative electrode of the battery is connected with respective alternating-current ports of the second rectifying sub-module via relays; and a capacitor is connected between the positive and negative electrodes of the battery.

The present invention provides a busway holder bracket which includes a base member configured to provide foundational support to the busway holder bracket, a longitudinal member extending perpendicularly from the base member to form an upright structural support, a top member extending perpendicularly from the longitudinal member in a direction parallel to the base member, collectively forming a U-shaped configuration with the base member and longitudinal member for supporting lateral busway members, wherein the base member is configured to be interposed in a lateral spacing between the lateral busway members, then angularly displaced along a predefined angle to secure the bracket with the lateral busway members, and a plurality of slots configured on the top member, the slots configured to receive adjustable elements fastened by threaded fasteners to allow adjustment and secure positioning of the busway holder bracket on the mounting surface.

A cooling system can include an evaporator for transferring heat from a heat source to a cooling fluid, a condenser for rejecting heat from the cooling fluid, a fan for inducing air flow through the condenser, a pump for pumping the cooling fluid, a controller, and a damper for selectively resisting air flow through the condenser. The controller can operate the cooling system in a pumped cooling mode when a temperature is below a threshold and reduce a speed of the fan when the temperature is below another, lower threshold. The damper can thermo-mechanically increase air flow resistance through the condenser.

A leak detection system for a server rack, the leak detection system is disclosed. The leak detection system includes a drip pan configured for placement under one or more liquid-cooled servers of the server rack. The server rack includes a piping system configured to convey cooling fluid through the one or more liquid cooled servers, wherein a surface of the drip pan is coated in a thermally-reactive coating. The leak detection system further includes one or more thermal imaging sensors in proximity to the drip pan, wherein the one or more thermal imaging sensors are configured to detect a change to a thermal output from the drip pan in response to contact of the cooling fluid on the thermally-reactive coating.

A modular computing system can include a plurality of computing blocks, a framework for physically supporting the computing blocks, and interconnecting infrastructure. The interconnecting infrastructure can provide the computing blocks with power, cooling, and communications. Each computing block can include an enclosure, a computing section within the enclosure, a cooling section within the enclosure to extract heat from the computing section, power infrastructure to supply power to the computing section, communications infrastructure to facilitate communications between the computing section and an external network, cooling infrastructure to transfer heat from within the enclosure to outside of the enclosure, and a service corridor within the enclosure to provide physical access to at least the computing section.

A sensor assembly may include a base, a first wing coupled to a first side of the base, and a second wing coupled to a second side of the base, wherein the base, the first wing, and the second wing form a cavity. A sensor assembly may include at least one terminal block disposed within the cavity and communicatively coupled to a controller. A sensor assembly may include a plurality of current transformers, wherein one or more current transformers of the plurality of current transformers are wholly or partially removably couplable to the at least one terminal block when the first wing and the second wing are arranged in an open configuration, wherein the one or more current transformers of the plurality of current transformers are not removable from the at least one terminal block when the first wing and the second wing are arranged in a closed configuration.

A system and method for filtered visualization of dynamic load monitoring via a power distribution unit (PDU) collects power measurement data measured from each end device plugged into, and drawing operating power from, the PDU. The PDU collects the power measurement data into power state data over a line cycle or series of time intervals. Within the PDU, Kalman filtering determines a current power state estimate based on the measured power state data balanced with predictions of subsequent power state, as well as tuning parameters defining the balance from line cycle to line cycle. The resulting power state estimate may be displayed or presented to provide a more intuitive representation of operating power drawn by the end devices as opposed to raw power measurement data, which may be subject to fluctuation caused by high performance/Al pulsing loads.

A system may include an external battery cabinet (EBC) configured to power an uninterruptible power supply (UPS), where the EBC operates at a predetermined battery voltage. The system may include a boost pulse-width modulator (PWM) controller including two or more operating switches and a boost converter coupled to the boost PWM controller, where the boost converter is configured to increase the predetermined battery voltage. The system may include a bypass circuit to allow power to directly flow from the EBC to the UPS. The system may include a voltage sensing circuit configured to measure a voltage of the EBC and the UPS. The system may include a microcontroller configured to generate one of one or more boost signals or one or more bypass signals to activate one of the boost converter or the bypass circuit based on the voltage of the EBC and the UPS.

A bracket may include a first plate oriented along a first plane comprising at least one first plate attachment hole. A bracket may include a second plate coupled to the first plate and oriented along a second plane, wherein the second plate comprises at least one second plate attachment hole. A bracket may include a third plate coupled to at least one of the first plate and the second plate and oriented along a third plane. The first plate may be couplable to a shelf and the second plate may be couplable to a battery, wherein the first plate includes a tool-access region that includes at least one of the at least one first plate attachment holes, whereupon attachment of the second plate to the battery and a positioning of the battery onto the shelf, the tool-access region extends past a boundary of the battery and along the shelf.

A liquid cooling system may include a first heat exchanger configured to transfer heat from a liquid to a refrigerant. The liquid cooling system may include a coolant circuit configured to circulate liquid coolant between the first heat exchanger and at least one of electronic equipment or a cooling distribution unit, the coolant circuit comprising: a liquid coolant supply line coupled to the first heat exchanger and configured to flow chilled liquid coolant from the first heat exchanger, a coolant return line coupled to the first heat exchanger and configured to flow warmed coolant to the first heat exchanger; and a bypass line coupled to the liquid coolant supply line and the coolant return line.

A power distribution apparatus to control transfer time and inrush factor when switching between power sources is disclosed. The power distribution apparatus includes first and second power sources configured to provide electrical power to a load. A transfer switch is configured to switch a source of power to the load between the first and second power sources. A control circuit is configured to cause the transfer switch to select one of the first and second power sources to provide power to the load. The control circuit is configured to cause switching between the first and second power sources based on a first user input parameter and a second user input parameter, wherein the first user input parameter specifies a maximum specified transfer time, and wherein the second user input parameter specifies a maximum specified inrush factor.

A modular information technology infrastructure system can include a framework for being supported above one or more rows of computer equipment racks, a piping network supported by the framework for distributing cooling fluid to and from the computer equipment racks, a power network supported by the framework for providing power to the computer equipment racks, and a communications tray supported by the framework for facilitating communications to and from the computer equipment racks. The framework can be suspended from above and/or disposed atop a plurality of legs. The framework can be collapsible into a shipping configuration and expandable into an operations configuration. Two or more modules can be coupled in series and/or in parallel.

The present invention relates a vibration isolation system (100) for isolating vibrations from transmitting to a cabinet (10). The system (100) comprises a bottom frame (18) configured to be mounted on a rigid surface (24), said bottom frame (18) having a bottom surface (20) and side surfaces (22) extending vertically therefrom. A top frame (12) is configured to support the cabinet (10). The top frame (12) is movably mounted on the bottom frame (18). A plurality of primary resilient members (30) is positioned between ledges (16) of the top frame (12) and the side surfaces (22) of the bottom frame (18). A plurality of secondary resilient members (32) are positioned between an operating surface of a mounting base (15) of said top frame (12) and said bottom surface (20) of said bottom frame (18).

A direct current (DC) power supply system and methodology for monitoring current in the system. In examples, the system includes a battery power source, a condcutor coupled to the battery power source, and a battery monitor for monitoring operating current. In examples, the battery monitor includes a substrate, a first hall-effect sensor mounted on the substrate and configured to detect a first range of electrical current, a second hall-effect sensor mounted on the substrate and configured to detect a second range of electrical current, and a controller coupled to the sensors and configured to receive voltage output signals from the sensors and determine operating electrical current flowing through the battery cable. In examples, the sensors are associated with different operating states of the system.

Systems and methods for providing consistent and reliable power to a data center that is executing high-power and variable high-performance computing (HPC) and artificial intelligence (AI) workloads are disclosed. By installing a three-phase current sensor at or near the data center, or along the power grid before the power arrives at a power conversion system (PCS), the power conversion system is configured to response faster to changing and variable workloads that ramp up and down both quickly and inconsistently. A controller within the PCS is then configured to customize the amount of power that is sent to the data center coming from converted power from the grid, and from a battery energy storage system.

A cooling system and a cooling circuit includes a first refrigerant condensing line including a condenser, a second refrigerant condensing line bypassing the condenser, and a remix chamber disposed in the cooling circuit at a junction of the first and second refrigerant condensing lines. According to a first operating mode of the cooling system, liquid refrigerant is supplied to the remix chamber from the first refrigerant condensing line. According to a second operating mode of the cooling system, liquid refrigerant and vapor refrigerant are supplied to the remix chamber from the respective first and second refrigerant condensing lines and remix in the remix chamber to improve low ambient operation.

A cooling system and manifold receiver for use therein are provided. The cooling system includes a coolant loop configured to circulate a cooling medium, the loop including a heat exchanger, a plurality of conductive heat exchangers that are configured to receive the coolant medium from the heat exchanger and to exchange heat with a heat source, and a manifold receiver. The manifold receiver includes a body defining an elongated cavity therewithin, an inlet providing communication between the cavity and the conductive heat exchangers, an outlet providing communication between the cavity and the heat exchanger, and an element disposed in the cavity. The element is configured to reduce a momentum of the coolant medium within the cavity. The element may include, for example, an elongated pipe body with indentations, grooves, or holes formed therein, or with studs formed thereon.

Provided in the present disclosure are a method and a device for controlling a UPS, with which power supply cost for a DC bus is reduced. The method for controlling a UPS includes: controlling a first part of power modules in the UPS to work in a harmonic compensation mode when it is determined that the bypass module in the UPS is working and the UPS has no fault, wherein the UPS comprises the first part of the power modules and a second part of the power modules; detecting a bus voltage of each power module of the second part of the power modules; and controlling an inverter in a target power module to obtain power from an output terminal of the bypass module, performing single-phase rectification on the obtained power, and powering a DC bus in the target power module, wherein the target power module is a power module which has a bus voltage less than a first set value among the second part of the power modules.

A connector retention device can include a frame having a rectangular inner opening for fitting around a body of a connector, a wedge extending forwardly from a top side of the frame, a retention clip extending forwardly from a bottom side of the frame, and a rear wall extending inwardly from the frame, which can cooperate with the retention clip to position the frame about the connector. The retention clip can retain the frame about the connector. The retention clip can include a flange for engaging a forward-facing shoulder of the connector, a socket, or a housing that houses the socket. The flange can cooperate with the rear wall to hold the frame in position about the connector.

A system and method configured for six phase power in a data center, such as for a busway, is disclosed. The busway may include one or more busway sections. Each busway section may include a housing, and a plurality of busbars spaced apart in a first direction. The plurality of busbars may include six or more busbars and may be at least partially enclosed by the housing. Each busbar may be disposed along a second direction perpendicular to the first direction and may be parallel to each other busbar of the plurality of busbars. Each busway section may be configured to be removably coupled to two or more output connectors at two or more locations couplable along the second direction. The two or more output connectors may be configured to be inserted from a third direction perpendicular to the first direction and the second direction.

A cooling system for charging and discharging fluid is disclosed. The cooling system includes: a heat exchanger configured to fluidically communicate with a supply source; a supply line configured to supply to the heat exchanger from the supply source; a return line configured to return to the supply source from the heat exchanger; and a bypass valve configured to control communication between the supply line and the return line.

The present disclosure provides a fan cover (210) for a fan (208) configured to divert the output air of the fan (208) in an electronic equipment (200) to prevent the generation of thermal blind spots (114). The fan cover (210) comprises a frame defined by a hollow body with a base (212) configured to securely fit on the rear surface of the fan (208) and a bell mouth (214) extending from said base (212) to define a fluid flow path. The fan cover (210) comprises a hub (218) configured to be located centrally within the hollow body of said frame and a plurality of ribs (216) extending from the base (212) to the peripheral surface of said hub (218). Further, a plurality of flaps (220, 222) are mounted on the peripheral surface of said bell mouth (214), wherein each of said flap (220, 222) is angularly displaceable to a predefined angle to direct the output air in a desired direction to prevent the generation of thermal blind spots (114) in the electronic equipment (200).

A cooling system may include a compressor, a condenser, a first heat exchanger, a second heat exchanger, and a storage container configured to store refrigerant. The cooling system may include a set of entry control valves configured to control a flow of the refrigerant selectively to at least one of the first heat exchanger or the second heat exchanger. The cooling system may include a set of outlet control valves configured to control a flow of refrigerant between the first heat exchanger and the second heat exchanger.

A system for dynamically adjusting data collection within a physical computing environment is disclosed. The system includes computing devices receiving a first set of data from a plurality of devices, where at least a portion of the first set of data is collected by one or more devices according to a first data collection definition, where the first set of data provides information related to a monitored condition of the physical computing environment; determine, based on the first set of data, a second data collection definition, the second data collection definition defining data collection settings that enable collection of a second set of data that provides the information, where the second set of data is smaller in volume compared to the first set of data; and instructing the one or more devices to collect data according to the second data collection definition.

A heat rejection fan assembly may include a set of fan blades. The heat rejection fan assembly may include a fan motor coupled to the set of fan blades via a motor shaft and configured to cause the set of fan blades to: cause a first air volume to move through a heat exchanger; and move the first air volume through a shroud opening. The heat rejection fan assembly may include a fan motor cooling sub-system configured to cool the fan motor.

The present invention provides a scratch protection guard 100, comprises a top section 101 having a pre-formed portion 101a configured to remain visible on a top surface of a shelf 200 after installation, wherein the pre-formed portion 101a is shaped as a frustum to provide a sliding surface to a sliding component 300. Further, a middle section 102 is provided which includes a cylindrical portion 102a configured to pass through a slot 204 of the shelf 200, wherein the cylindrical portion 102a has a height substantially equal to a thickness of the shelf 200. Further, a bottom section 103 is provided with a deformable portion 103a shaped as an inverted frustum, wherein the deformable portion 103a is configured to deform during insertion into the slot 204 of the shelf 200 and return to its original shape after insertion to secure the scratch protection guard on the shelf 200.

A system can include a computer equipment cabinet for containing one or more computing units and a cabinet heat exchanger. Each computing unit can include at least one unit heat exchanger. The cabinet heat exchanger can receive a first cooling fluid from each of the unit heat exchangers and transfer heat from the first cooling fluid to a second cooling fluid. The cabinet heat exchanger can receive the first cooling fluid from each of the plurality of computing units through a distinct inlet port. The cabinet heat exchanger can include an outer tube and a plurality of inner tubes. Each inner tube can be disposed within the outer tube. The inner tubes can physically isolate the first cooling fluid from the second cooling fluid.

A cooling system for charging and discharging fluid is disclosed. The system includes: a main fluid circuit through which a fluid flows between an evaporator, a compressor, a condenser, and an expansion valve; a bypass fluid circuit configured to communicate with the main fluid circuit; one or more sensors configured to detect sensing values within the cooling system; and a controller configured to communicate with the one or more sensors. The bypass fluid circuit includes: a first valve disposed between the compressor and condenser, the first valve configured to control fluid flow to the condenser on the main fluid circuit; and a receiver configured to receive fluid flowing from the compressor via the bypass fluid circuit and fluid flowing from the condenser via the main fluid circuit, the receiver further configured to discharge fluid therefrom.

A data center rack integrates power and/or fluid coolant distribution to servers, switches and other information technology (IT) devices within the rack via power distribution units (PDU) and rack manifolds integrated into the support columns of the rack structure. For example, the integrated PDUs are connectible to a power source via connection ports on an exterior surface of the rack, the PDU configurable within the rack to maximize available space and minimize the need for additional power cabling. Similarly, the integrated rack manifold is connectable to a coolant supply device or system via external manifold connection ports and provides integrated coolant tubing for thermal management of IT devices mounted within the rack. By optimizing the available airspace within the interior cavity of the rack, the integrated power and manifold systems facilitate heat dissipation and routine maintenance.

An insulator for a circuit breaker is disclosed. The insulator comprises a base, an intermediate block, and a top block arranged in a stepped configuration. The base includes a pair of first holes for receiving first fasteners, and a pair of pins extending vertically to engage a first busbar and a second busbar, thereby preventing misalignment. The intermediate block includes second holes for receiving second fasteners and tabs extending laterally to prevent angular displacement of the busbars. The top block comprises third holes to secure a third busbar via third fasteners. The pins extend beyond the insulator's height to guide proper alignment. The insulator enables front access installation and maintenance of the circuit breaker.

The present disclosure provides a three-phase single-stage AC-DC converter and control method and control apparatus therefor, with which conversion efficiency and power density of the AC-DC converter are improved. The converter includes a three-phase matrix switching circuit, a resonant circuit, an isolation circuit and a rectifier circuit. The three-phase matrix switching circuit is connected to a three-phase AC power and includes three independent switch branches. Each of the switch branches includes an upper bridge arm and a lower bridge arm. An intermediate point between the upper bridge arm and the lower bridge arm in each of the switch branches is connected to a phase of AC input. Each bridge arm includes one bidirectional switch component or two switch components connected in series in reverse. The resonant circuit includes a resonant capacitor, a resonant inductor and an excitation inductor which are connected in series between a common endpoint of upper bridge arms of the three switch branches and a common endpoint of lower bridge arms of the three switch branches. A side of the isolation circuit is connected to the resonant circuit and another side thereof is connected to the rectifier circuit. The rectifier circuit includes at least two switch components. An input side of the rectifier circuit is connected to the isolation circuit, and an output side of the rectifier circuit is connected to a load device.

A coolant distribution unit of a liquid cooling system comprises: a plurality of pumps configured to circulate coolant within the liquid cooling system, where a subset of the plurality of pumps is capable of handling a full operation load of the liquid cooling system when at least one pump of the plurality of pumps is not in operation; and a controller communicatively coupled to the plurality of pumps. The controller is configured to: in response to determining that the pump has been enabled, adjust the pump and remaining pumps of the plurality of pumps to a first pump speed; and adjust the pump and the remaining pumps to a second pump speed, where the first pump speed corresponds to an intermediate operational speed lower than the second pump speed and the second pump speed corresponds to a final operational speed.

A cooling system can include a first loop disposed at least partially within a space, such as a data center, a second loop disposed at least partially outside the space, and a heat exchanger for transferring heat from the first loop to the second loop. The first loop can include an evaporator for transferring heat from within the space to a first cooling fluid, and a prime mover for circulating the first cooling fluid within the first loop. The heat exchanger can transfer heat from the first cooling fluid to a second cooling fluid. The second loop can include a condenser for transferring heat from the second cooling fluid to an environment outside the space. The condenser can be disposed at a higher elevation than the heat exchanger and the second loop can operate as a thermosiphon.

An apparatus comprises a sheet metal bracket configured to be mounted near a power source. The sheet metal bracket includes a plurality of notched sections along an edge, each notched section defining a mounting feature with one or more apertures configured to receive and retain one or more electrical equipment devices in a fixed position relative to the power source using a fastening element. The apparatus further includes a wire trough integrated with the sheet metal bracket and configured to contain and route wiring from the electrical equipment devices in an organized manner.

A current sharing control method and an AC-DC conversion system are provided. The method is applied to a current sharing controller configured to control an operating state of an AC-DC converter comprising at least two rectification units. Each of the at least two rectification units is in a bridge topology combined with an LLC resonant tank. The method comprises: acquiring current sampling values of the at least two rectification units; determining a target phase shift angle of each of the rectification units according to the current sampling values, wherein the target phase shift angle is used to indicate a duration of an input voltage of the LLC resonant tank being in a zero-level state; controlling, according to the target phase shift angle of each of the rectification units, a control signal of a target switch in a bridge topology of each of the rectification units to perform phase shifting.

A current sharing control method and an AC-DC conversion system are provided. The method is applied to a current sharing controller configured to control an operating state of an AC-DC converter comprising at least two rectification units. Each of the at least two rectification units is in a bridge topology combined with an LLC resonant tank. The method comprises: determining a target adjustment phase based on the absolute values of instantaneous values of three-phase input voltages of the at least two rectification units; determining a target duty cycle of the target adjustment phase in each of the rectification units based on the current sampling values of the at least two rectification units; and adjusting, based on the target duty cycle of the target adjustment phase in each of the rectification units, a duty cycle of a control signal for a switch in each of the rectification units.

A liquid-cooled roll-formed busbar assembly comprises a sheet of copper or similarly conductive metal roll-formed into at least one arcuate region. One or more cooling pipes of a fluid network (e.g., a coolant supply pipe and a coolant return pipe) circulate a cooling fluid through the busbar such that the arcuate region/s conform to a portion of the external circumference of the cooling pipe/s. A thermal interface is disposed between the cooling pipes and the liquid-cooled roll-formed busbar, such that the circulating fluid absorbs heat from the busbar via the thermal interface and transfers the absorbed heat to a primary fluid network.

A direct-to-chip (D2C) cooling system maintains microchip assemblies within their optimal junction temperature ranges by circulating liquid coolant into contact with the microchip assemblies for heat transfer therefrom. A coolant distribution unit (CDU) controller directly monitors (via a power distribution unit supplying operating power to the servers) power drawn by each of a set of servers, switches, or other information technology (IT) devices and/or microchip assemblies disposed therein, determining on a continual basis which IT device is currently drawing the most power and directing the CDU of the D2C system to dynamically adjust the flow rate setpoint for the liquid coolant supply based on the current highest power draw.

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