Abstract: This paper introduces research work on the development of high-voltage (HV) vacuum circuit breakers (VCBs) in China from its starting point in 1989 to 2006. In this period, a 126-kV ...
Abstract: High-voltage direct current (HVdc) circuit breakers based on power electronic technology usually require a large number of insulated-gate bipolar transistors (IGBTs) to achieve ...
As the colder months approach, many families face the challenge of drying clothes indoors without sending their energy bills soaring. Tumble dryers are a staple in countless households, but they can ...
Some background here: the Cornish economy was once heavily reliant on mining, particularly tin and copper, but also other precious metals. From the 1980s and 1990s, though, mining declined in Cornwall ...
MUSIC unions are pushing for transparency and fairness in the administration of royalties as they fight for artistes to reap from their sweat. The recent outcry from stakeholders in Zimbabwe’s music ...
New S&P index will track 15 cryptocurrencies and 35 blockchain-linked stocks, signaling deeper integration of digital assets into global markets. S&P Global plans to launch a new benchmark index that ...
PORTLAND, Ore. — Portland has become the center of a tense back-and-forth between Oregon state leadership and President Donald Trump over the attempted deployment of National Guard troops into the ...