Jul
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In a typical installation, the power plant generators supply voltages of maytag parts volts, higher voltages are not adequate for the difficulties of their isolation and the risk of short circuits and their consequences. This voltage is raised by transformers to tensions between 138,000 and 765,000 volts to the primary transmission line (the higher the line voltage, lower current and lower the losses, since they are proportional to the square of the intensity current). At the substation, the voltage is transformed into tensions between 69,000 and 138,000 volts to be possible to transfer the electricity distribution system. The voltage is lowered again with transformers at each distribution point. Heavy industry maytag parts usually work at 33,000 volts (33 kV) and electric trains require 15 to 25 kilovolts. For supply to consumers down the tension: the industry usually work at voltages between 380 and 415 volts, and the homes are between 220 and 240 volts in some countries and between maytag parts others.


