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A switch disconnector combines the properties of a disconnector and a load switch, [1] so it provides the safety isolation function while being able to make and break nominal currents. Integrated disconnecting switch
Modern automatic circuit reclosers are significantly more advanced than the original hydraulic units. The advent of semiconductor based electronic protective relays in the 1980s resulted in increased recloser sophistication, allowing for differing responses to the various cases of abnormal operation or fault on an electric power distribution ...
ABB Group [6] is a Swedish-Swiss [7] [8] [9] multinational electrical engineering corporation. Incorporated in Switzerland as ABB Ltd., and headquartered in Zurich, [1] it is dual-listed on the SIX Swiss Exchange in Zurich and the Nasdaq Nordic exchange in Stockholm, Sweden, in addition to OTC Markets Group's pink sheets in the United States. [10]
In 2011, Baldor was acquired by ABB Ltd of Switzerland in an all-cash deal of US$4.2 billion ($1.1 billion debt included). The company continued to operate as Baldor Electric Company A Member of the ABB Group. On March 1, 2018, Baldor Electric Company's name was dissolved into the ABB brand, becoming ABB across all of its locations.
In 1956, Hugh C. Ross at Jennings Radio Manufacturing Corporation revolutionized the high-frequency-circuit vacuum switch and produced a vacuum switch with a rating of 15 kV at 200 A. Five years later, Thomas H. Lee at General Electric produced the first vacuum circuit breakers [2] [3] with a rated voltage of 15 kV at short-circuit breaking ...
ABBA: The Movie [a] is a 1977 mockumentary comedy-drama film about the Swedish pop group ABBA's Australian tour. An international co-production from the band's native Sweden and the tour's Australia, the film was directed by Lasse Hallström , who previously helmed most of the band's videos.
Loosely based on their radio series, the show cast the duo as unemployed wastrels. One of the show's running gags involved Abbott perpetually hounding Costello to get a job, while Abbott was happily unemployed. The show featured Sidney Fields as their landlord and Hillary Brooke as a neighbor and sometime love interest for Costello.
The discography of Swedish pop music group ABBA consists of nine studio albums, two live albums, seven compilation albums, four box sets, five video albums, 50 singles, and 43 music videos.