electrical discharge machines accessories

Managing high-voltage lithium-ion batteries in HEVs

Skyrocketing energy prices and the growing concern over carbon emissions have focused attention on electric and hybrid-electric vehicles. New lithium-battery designs will be key technologies for efficient EVs and HEVs. External Source

Solving the LED-driver challenge for light-bulb replacement

The Department of Energy is offering a prize of as much as $10 million to create the first solid-state replacement for the 60W incandescent light bulb, so you know it's a problem. Here are some suggestions for how to address high-efficiency, power-factor, ... External Source

Noisy radio link puts brakes on racing-crew communication

Tales From The Cube: Interference is hampering driver-to-pit-crew communication via a 460-MHz FM system. Even disconnecting the driver's mic doesn't h … External Source

Designing protective circuitry for DSL loops: Beware of pitfalls

DSL equipment requires protection from a variety of overvoltage conditions, but the need to avoid unduly degrading circuit operation complicates circu … External Source

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