By ESS news
Risen Energy has launched a 131 kW/261 kWh commercial and industrial (C&I) battery energy storage “all-in-one” unit with a full liquid cooling architecture and a silicon carbide (SiC) power conversion stage, positioning the product as a more efficient upgrade for behind-the-meter applications.
According to information released by the company, the new unit increases the rated power of PCS from 125 kW to 131 kW to better support high-frequency operating strategies such as two charge/two discharge cycles commonly used in C&I arbitrage and demand management.
An important change is the use of SiC MOSFETs in the PCS. Risen Energy claims that the switching frequency is three times that of conventional IGBT solutions, reducing device losses by 40% and increasing PCS peak efficiency to 99.1%. It also reports a system return efficiency of 90%.
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