Description of a power conversion system with an ultracapacitor
energy storage
Before we start discussing an ultra-capacitor module design,
let's describe the application. An electric system is illustrated
in Fig. 2. The entire system consists of a power processor and
an ultra-capacitor which is connected to the power processor
via an interface dc-dc power converter. In this terminology,
the power processor is a power converter as a part of power
conversion system. The power conversion system can be
variable speed drive, electric arc furnace, renewable energy
source, autonomous generator, etc., etc. The ultra-capacitor is
used as short-term energy storage [5]. Depending on the
application and the power conversion system, the ultracapacitor
is periodically charged and discharged in order to
store and provide energy during short period (couple of
seconds up to tens of seconds) [5]-[9].