Wolfgang Dreipelcher, Senior Director, Global Reference Designs, EPCOS
The power-semiconductor switches used in power supplies and inverters are based on two technologies, namely MOSFETs and IGBTs. MOSFETs can operate at relatively high switching frequencies significantly above 30 kHz but, unlike IGBTs, they have a very large chip surface area.
A new generation of IGBT
Preliminary industry data from the Geothermal Energy Association (GEA) annual development report reveals that year-end geothermal growth in 2012 was up 5% from the previous year. This uptick in development,
A German student has built an electromagnetic harvester that recharges an AA battery by soaking up ambient, environmental radiation. These harvesters can gather free electricity from just about anything,
TTI, a specialist distributor of passive, discrete, connector and electromechanical components, offers Cooper Bussmann's ultra-high capacitance PowerStor KW series super-capacitors for use in applications
A new framework document for wind energy assessments, developed over two years in collaboration with leading consultants and developers, will lead to more transparency and advancements in the quantification