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SEL was founded in Pullman, Washington in 1982 when Dr. Edmund O. Schweitzer III invented and marketed the first all-digital protective relay. Schweitzer created the relay as a Ph.D. project while at Washington State University. He sold his first product, the SEL-21, to Otter Tail Power Company in Fergus Falls, Minnesota in 1984. Otter Tail ...
In the late 1970s, he served on the electrical engineering faculties for Washington State University and Ohio University. In 1982, he launched Schweitzer Engineering Laboratories in 1982 from his basement in Pullman, Washington. As of 2023, the employee-owned company has more than 6,000 employees. [3]
The Bard–Schweitzer approximation estimates the average number of jobs at node k to be: [1] [7] () which is a linear interpolation. From the above formulas, this approximation yields fixed-point relationships which can be solved numerically. This iterative approach often goes under the name of approximate MVA (AMVA) and it is typically faster ...
Sep. 27—Schweitzer Engineering Laboratories announced earlier this month that it intends to hire about 400 new employees throughout the company. Of the new hires, about 240 are expected to work ...
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Jonathan Sykes is an Engineering Services Manager at Schweitzer Engineering Laboratories (SEL) in Albuquerque, New Mexico.Sykes graduated from the University of Arizona in 1982 and since that time has worked in electric power industry at System Protection and Test and at Pacific Gas and Electric Company in San Francisco, California, where he also served as senior manager.
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