Abstract-Electrochemical double layer capacitors (EDLC),
well known as ultra-capacitors have been used intensively in
power conversion applications such as controlled electric drives,
active fIlters, power conditioners and uninterruptible power
supplies. In such applications, an ultra-capacitor is used as a
short-term energy storage device that can be fully
charged/discharge within few seconds. This paper gives a
comprehensive procedure and guideline for selection and design
of ultra-capacitor module. Selection of main parameters, such as
voltage and capacitance rating, is discussed in details. Conversion
losses and efficiency as well as thermal design of the u1tracapacitor
module are also discussed. In last part of the paper,
design of voltage balancing circuit is addressed. At the end of the
paper, a design example is given and the experimental results
presented.
Abstract-Electrochemical double layer capacitors (EDLC),well known as ultra-capacitors have been used intensively inpower conversion applications such as controlled electric drives,active fIlters, power conditioners and uninterruptible powersupplies. In such applications, an ultra-capacitor is used as ashort-term energy storage device that can be fullycharged/discharge within few seconds. This paper gives acomprehensive procedure and guideline for selection and designof ultra-capacitor module. Selection of main parameters, such asvoltage and capacitance rating, is discussed in details. Conversionlosses and efficiency as well as thermal design of the u1tracapacitormodule are also discussed. In last part of the paper,design of voltage balancing circuit is addressed. At the end of thepaper, a design example is given and the experimental resultspresented.
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