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New power supply with a lifetime of up to 50 years by Staff Writers Karlsruhe, Germany (SPX) Dec 06, 2022
Switching power supplies are omnipresent in our daily life, may it be in households, offices, or industry. They convert the alternating current supplied into direct current for smartphones, laptops, charging stations of e-cars, and logistics and computing centers. However, conventional power supplies usually have to be exchanged after nine years of permanent operation. Digital Power Systems (DPS), a spinoff of Karlsruhe Institute of Technology (KIT), has now developed and tested power supplies with a lifetime of 50 years. Conventional switching power supplies are light and compact, but highly susceptible to failure due to the electrolyte capacitors they contain. Film capacitors are far more long-lived. So far, however, they have needed up to ten times more space. "We have now developed a digital control process, by means of which film capacitors can be used on smaller space," DPS Director Michael Heidinger says. Compared to conventional power supplies, maintenance expenditure is much smaller. "This technology is a game changer wherever reliability is important. These may be computing or logistics centers or flight safety lamps." Work of service staff to replace damaged power supplies costs much more than the device itself, Heidinger adds.
Lifetime Is Five Times that of Power Supplies with Electrolyte Capacitors
Digital Control Saves Space
Use in the Air Safety Sector
Airbus prepares for its first megawatt-class hydrogen fuel-cell engine flight-test demonstrator Paris, France (SPX) Dec 06, 2022 Hydrogen-powered fuel-cell engine architecture with cryogenic storage could feature in an all-new zero-emission aircraft which will enter service by 2035. Airbus is already well on track to design, build and demonstrate such a megawatt-class propulsion system, in under four years from now... Two years ago, Airbus unveiled several possible aircraft concepts - known collectively as "ZEROe" - which are helping to define the world's first zero-emission commercial airliner which could enter service by ... read more
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