NEMA, Rossyln, Va., has published SG 4-2009, "Alternating Current High-Voltage Circuit Breakers." The standard, which NEMA published under license from IEEE, Piscataway, N.J., was revised by the ...

While millions of vacuum interrupter units are used in medium voltage switchgear worldwide, until now they have come up against their limits in the highvoltage sector above 72.5 kV. Following ...

What's a designer to do when challenged with a switching application that requires handling up to 70 kV? These applications are not as rare as one may think. In fact, a broad range of applications in ...

SAN JOSE, Calif.--(BUSINESS WIRE)--Power Integrations (Nasdaq: POWI), the leader in high-voltage integrated circuits (ICs) for energy-efficient power conversion, today announced the addition of two ...

The National Electrical Manufacturers Association (NEMA) has published SG 4-2009 Alternating Current High-Voltage Circuit Breakers. The standard, which NEMA published under license from IEEE, was ...

High-reliability, space-saving buck/flyback switcher ICs target 400-VDC EV applications. Power Integrations, the leader in high-voltage integrated circuits for energy-efficient power conversion, today ...

Pickering to include a new variant with an electrostatic shield between the switch and the coil to help minimise noise.