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Three-Phase Power Meter Software Design Reference Manual Freescale Semiconductor, Inc.
Three-Phase Power Meter Software Design Reference Manual Freescale Semiconductor, Inc.

High current handling capability is essential for
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wiring a vehicle for trailer towing
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Courtesy of www.mcmaster.com
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... Department of Electrical and Computer Engineering, University of Michigan, Dearborn, MI 48128 USA Department of Electrical and Computer Engineering, Tennessee Tech University, Cookeville, TN 38505 USA Pulsewidth-modulated (PWM) inverters are used more and more to operate electrical machines and to i ...
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< 1 ... 381 382 383 384 385 386 387 388 389 ... 1974 >

Mains electricity



Mains electricity is the general-purpose alternating-current (AC) electric power supply. In the US, electric power is referred to by several names including household power, household electricity, house current, powerline, domestic power, wall power, line power, AC power, city power, street power, and grid power.The two principal properties of the electric power supply, voltage and frequency, differ between regions. A voltage of (nominally) 230 V and a frequency of 50 Hz is used in Europe, most of Asia, most of South America and Australia. In North America, the most common combination is 120 V and a frequency of 60 Hz. Other voltages exist, and some countries may have, for example, 230 V but 60 Hz. This is a concern to travelers, since portable appliances designed for one voltage and frequency combination may not operate or may be destroyed by another.The use of different plugs and sockets in different regions provides some protection from accidental use of appliances with incompatible voltage and frequency requirements.
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