Abstract: A new time domain modeling method for dc–dc switching power converters is introduced: conversion function theory of dc converters. This method is based on the concept of “wanted variables” ...

BEIJING, Dec 10 (Reuters) - Chinese astronauts have installed protection against "space junk" aboard the permanently inhabited station Tiangong, according to China's manned spaceflight authorities, a ...

DALLAS, Texas — Summer heat, year-round storms, and the memory of the deep freeze in 2021 have worn down many Texas homeowners. For Nancy Jones in Far North Dallas, outages have been so frequent she’s ...

While 80% of surges originate internally from normal operations like motor starts and VFD inverter operation, external causes like lightning and utility switching also demand industrial-grade surge ...