A system includes a rack of servers and a fluid circuit for cooling the rack of servers. The fluid circuit includes one or more cooling modules, a heat-exchanging module, and a pump. The one or more cooling modules are thermally connected to a conduit for flowing a coolant therethrough. Each cooling module includes a heat-exchanger thermally connected to the conduit and a chiller fluidly coupled to the heat-exchanger. The heat-exchanging module is fluidly connected to an outlet of the conduit. The pump is configured to drive the coolant from the heat-exchanging module to each server in the rack of servers.

The present disclosure provides a battery charging/discharging system capable of performing external air conditioning by using cooling ability of a charger/discharger therein. The battery charging/discharging system includes a battery chamber in which a battery is mounted, a charger/discharger chamber forming a space isolated from the battery chamber, a charger/discharger cooling device installed inside the charger/discharger chamber and configured to cool the charger/discharger using air in a low-temperature state generated through heat exchange between refrigerant circulating therein and air circulating inside the charger/discharger chamber, a controller configured to control the charger/discharger and the charger/discharger cooling device, a plurality of air discharge holes formed on one side wall surface of the charger/discharger chamber or one side wall surface connected to the charger/discharger chamber, and an opening/closing device configured to selectively open and close the air discharge holes according to external temperature conditions.

Systems and methods for providing an electronic cooling apparatus comprising a chassis having an internal space that is sized/shaped to receive/structurally support circuit card(s). The internal space defined by sidewalls with a channel formed therein in which a coolant is disposed. The coolant is in thermal communication with the circuit card(s) via the sidewall(s) when the circuit card(s) is(are) disposed in the chassis. A refrigerant-based cooling system is disposed in the chassis and comprises an evaporator having inlet/outlet ports coupled to the channel of the chassis to define a first closed-loop channel for the coolant within the chassis. The evaporator facilitates heat transfer from the coolant to a refrigerant flowing through a second closed-loop channel of the chassis at least partially defined by the evaporator. A pump is disposed in the chassis and configured to cause the coolant to flow through the first closed-loop channel.

A method for removing moisture from an airflow via a cooling system includes identifying a plurality of active cooling circuits in the cooling system. The method also includes lowering a first temperature set point of a first cooling circuit of the multiple cooling circuits. In addition, the method includes raising a second temperature set point of a second cooling circuit of the multiple cooling circuits.

A variable speed drive includes a converter connected to an AC power source, a DC link connected to the converter, and an inverter connected to the DC link. The inverter converts DC voltage into an output AC power having a variable voltage and frequency. The inverter includes at least one power electronics module and associated control circuitry; a heat sink in thermal communication with the power electronics module and in fluid communication with a manifold. The manifold includes a tubular member having at least one vertical member portion and at least one horizontal member portion in fluid communication. A plurality of ports conduct cooling fluid into and out of the manifold. A bracket attaches the manifold to a structural frame. Brackets are provided for attachment of power electronics modules to the manifold.

Methods and systems for leak detection in a fluid compression system using a purge system are disclosed herein. In an embodiment, a method for detecting leaks includes determining, during a period of vacuum, a purge exhaust rate of non-condensables from a purge system integrated with a chiller unit. The method includes determining a differential pressure, the differential pressure based on a vacuum side pressure of the chiller unit, where the vacuum side pressure includes at least one of a pressure of a condenser and pressure of an evaporator. The method includes calculating, via a controller, the purge exhaust rate and the differential pressure to identify a leak size based at least in part on the purge exhaust rate.

A cooling system and method of controlling are disclosed. The cooling system includes a high-temperature circuit with a relatively high temperature evaporator and a relatively low temperature circuit with a low temperature evaporator. The cooling system enables a glycol-water solution to flow through the high-temperature circuit and the low-temperature circuit in series. The method of controlling provides an ability to operate the cooling system in a full free cooling mode using no compressors, a partial free cooling mode using one or more compressors, and in a mechanical cooling mode using one or more compressors.

The present disclosure discloses a refrigeration system and a device provided with a refrigeration apparatus. The refrigeration system includes an enclosed space and at least one first heat generating device installed in the enclosed space. An end of the first heat generating device is connected to a drainage apparatus and two heat exchange apparatuses. The drainage apparatus absorbs hot air generated by the first heat generating device to form a hot air flow, and causes the hot air flow to flow through the heat exchange apparatus, such that the heat exchange apparatus carries out heat exchange to form a cold air flow and discharges the cold air flow into the enclosed space.

The present disclosure discloses a power distribution room and a refrigeration system. The power distribution room has an accommodation space internally provided with a first heat generating device. The first heat generating device has a vent, and a refrigeration device is connected to the vent of the first heat generating device. The refrigeration device includes a heat exchange apparatus and an induced draft apparatus, where the heat exchange apparatus is positioned between the induced draft apparatus and the vent. The induced draft apparatus is configured to generate an airflow flowing through the first heat generating device to generate hot air transmitted to the heat exchange apparatus, such that the heat exchange apparatus carries out heat exchange to convert the hot air into cold air and discharges the cold air into the accommodation space.

A system includes a rack of servers and a fluid circuit for cooling the rack of servers. The fluid circuit includes one or more cooling modules, a heat-exchanging module, and a pump. The one or more cooling modules are thermally connected to a conduit for flowing a coolant therethrough. Each cooling module includes a heat-exchanger thermally connected to the conduit and a chiller fluidly coupled to the heat-exchanger. The heat-exchanging module is fluidly connected to an outlet of the conduit. The pump is configured to drive the coolant from the heat-exchanging module to each server in the rack of servers.