Cold storage

Cold Battery Storage

A sensible thermal energy storage system is used to store the coldness. The Cold Battery Storage (CBS) can be a Plug-In assembly for existing systems. The process consists of a chiller, packed bed system, a compressor and a heat exchanger coil. The chiller provides a low temperature of about -50 °C or lower. The bed system consists of single packed bed or more, randomly filled with monodisperse or polydisperse solid particles. The compressor enables the circulation of the heat transfer fluid (HTF) (e.g. carbon dioxide) in the circuit. The heat exchanger coil delivers cooling to the end users.

Application Area

The CoP of a Chiller system depends strongly on the ambient temperature, thus higher electrical power consumption at higher ambient temperatures. Storing coldness through the night when CoP is high and electrical power
consumption is low. Utilizing coldness during the day when CoP is low and electrical power consumption is high .

Cold Storage saves significant electrical power consumption for the production of coldness.

Internal System application

The Cold Battery Storage can be applied as condensate cooler in modern transcritical cooling systems or in liquid systems as Sole Cooler. For such applications are individual engineering solutions required.

 

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