Infineon also provides the thyristor chips that allow transformers to handle high-voltage direct-current power lines.
FORBES: Magazine Article
Siemens is also offering high-voltage direct current technology, but ABB is a step ahead.
Its high-voltage direct current system is delivering electricity to the British Petroleum platform in the middle of the ocean.
Their job is to convert high-voltage alternating current from the mains into low-voltage direct current for mobile phones, laptops, iPods and other electronic gadgets.
ECONOMIST: How a boring gadget saved $2 billion-worth of electricity
One of ABB's specialties is high-voltage direct current links, so-called HVDC.
Now the first mains-voltage LEDs designed as direct replacements for incandescent bulbs are arriving on the market.
ECONOMIST: Lighting: A brilliant new approach | The
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