Ultracapacitor mains stabilizer system for bridging duration of 30 seconds

Our contribution:

An ultracapacitor-based
design a grid stabilizer system and install it on site.
to install. The 3 MW system consists of a
multi-source inverter and 504 ultracap modules,
which are housed in two 40-foot containers.
Supporting measures also included
for system integration into the power plant grid
to the order.

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Ultracapacitors

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UPM Energy (second largest electricity producer in Finland)

Customer

Special features

UPM Energy is a major producer of hydropower and reserve power. In order to be able to participate in future reserve markets,
the hydropower must be upgraded, as the many small, rapid load changes in FCR-N exceed the control speed of the regular system. In addition, the mechanical wear of the system is then higher. In order to meet the requirements for the provision of these control reserves, it is necessary to integrate a short-term storage facility.