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Voltage drop is something very important that always needs to be reviewed in electrical circuits. A cable that is not sized correctly, following the minimum allowable voltage drop percentage, can generate an unpleasant effect on the electrical installation, causing loss of efficiency in the circuit and heating of the cables. In this video, we will demonstrate how to perform voltage drop calculations correctly, in the most appropriate way. The voltage drop will be greater the larger the circuit, and therefore it is important to calculate the voltage drop with the correct distance from the circuit. The voltage drop calculation for a two-phase 220V circuit is the same as the voltage drop calculation for a single-phase 127V circuit. Learn more about our videos. Two-phase or three-phase? Which is better? • Two-phase or three-phase? What is the difference? What is alternating current? • What is Alternating Current (AC)? What is DDP or electrical voltage? • DDP, VOLTAGE AND VOLTS! I WILL EXPLAIN TO YOU ... How to do the star-delta closing? • STAR DRIANGLE 220-380v? HOW TO DO IT ... Check out our courses: https://www.eletricidadeonline.com.br... music: https://www.bensound.com/royalty-free...