Dual-Active-Bridge (DAB) has emerged as one of the important isolated dc-dc converters due to its bidirectional power flow capability, simple architecture, and ability to achieve ZVS over a wide ...

This paper analyzes the improved modulation techniques based on Phase Shift Pulse Width Modulation (PS-PWM) for single phase Cascaded H-Bridge (CHB) Multilevel inverter. Cascaded H-Bridge Multilevel ...

A 9-year-old girl has died after being left in a car in the sweltering Texas while her mom was at work as temperatures soared to 97 degrees.

After a stretch of hot weather, Pittsburgh will finally see some cooler temperatures.