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An Eaton Corporation office building in Brossard, Quebec. Eaton Corporation plc is an American-Irish-domiciled [2] multinational power management company, with a primary administrative center in Beachwood, Ohio. [3] Eaton has more than 85,000 employees and sells products to customers in more than 175 countries. [4]
In vector control, an AC induction or synchronous motor is controlled under all operating conditions like a separately excited DC motor. [21] That is, the AC motor behaves like a DC motor in which the field flux linkage and armature flux linkage created by the respective field and armature (or torque component) currents are orthogonally aligned such that, when torque is controlled, the field ...
Small variable-frequency drive Chassis of above VFD (cover removed). A variable-frequency drive (VFD, or adjustable-frequency drive, adjustable-speed drive, variable-speed drive, AC drive, micro drive, inverter drive, variable voltage variable frequency drive, or drive) is a type of AC motor drive (system incorporating a motor) that controls speed and torque by varying the frequency of the ...
Two years later, on February 20, 1981, Eaton Vance Corporation was established as a holding company. [6] By the end of 1983, Eaton Vance was managing 23 mutual funds and numerous individual and company accounts, with over $2.3 billion in their accounts. The company's major products were 34 low-risk and tax-free funds by late 1989.
Until then, electricity was usually generated where it was used. The first power-distribution systems installed in European and US cities were used to supply lighting: arc lighting running on very-high-voltage (around 3,000 V) alternating current (AC) or direct current (DC), and incandescent lighting running on low-voltage (100 V) direct ...
Two years later, in 1967, Liebert made its first international move by setting up a Canadian distributor network. In 1968, the company moved into a new facility in Worthington, Ohio . As its business continued to grow, the company broke ground once again and moved into a 150,000 square foot facility in Columbus, Ohio.
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