Abstract: High-power flexible dc links employ modular multilevel converters (MMC) for compact active power redirection in medium and high voltage grids. During contingencies, such converters may need ...

Power strips are a common and convenient way to provide additional sockets, but experts warn that there are certain household items you should never plug into one.

While standard receptacles typically use three wires -- hot, neutral and ground -- you'll occasionally find 2-prong outlets in older homes. Since this type of outlet lacks a ground connection, the ...

Monitors are cheaper, faster, and more beautiful than ever. Here’s how to choose one that will suit your needs and budget.