IEEE

A Fault-tolerant Quad Active Bridge Converter with Dual-Transformer for Interconnection of Bipolar DC Systems

Abstract: This paper proposes a fault-tolerant Quad Active Bridge (QAB) converter for interconnection of bipolar DC systems at different voltage levels and its corresponding operation scheme. The ...

Christmas Day review, Almeida: Alternative festive play lands like an ice-cold snowball to the neck

There are plenty of interesting thoughts and intense images here, but Sam Grabiner’s play about Jewish identity feels oddly incomplete ...
WCVB Channel 5 Boston

Off-duty police sergeant credited with rescuing man in distress on Bourne bridge

Sergeant Wallace J. Perry IV is being hailed as a hero for saving a man in emotional distress who climbed to the top of the Bourne Bridge early Tuesday morning.According to Bourne police, Perry, who ...
Computerworld

Mac identity management gets a boost, but IT still faces gaps

For decades, macOS has been admired for stability and security — traits inherited from the BSD Unix underpinnings of Apple’s operating systems. Yet these same foundations now create friction for IT ...
Cape Cod Times

Cape Cod bridge plans: How, when to weigh in before the next step

Massachusetts has submitted to federal officials the draft environmental impact report to replace the Sagamore and Bourne bridges. Public comments are being accepted, with a public hearing scheduled ...
IEEE

An Improved Phase-Shifted Full-Bridge Topology with High Fault Tolerance

Phase-shifted full-bridge (PSFB) converters are widely used in vehicular power supplies due to their simple structure, wide output voltage range, and high power density. Their high reliability is ...
Pittsburgh Post-Gazette

Obituaries PGe PG Store Archives Classifieds

Subscribe Login Register Log out My Profile Subscriber Services Search PGe NEWSLETTERS PG STORE ARCHIVES OBITUARIES JOBS PUBLIC NOTICES CLASSIFIEDS EVENTS PETS ...