Why an AC systems are preferred over DC systems?
Posted On: Dec 19, 2020
The reasons for preferring the AC system over DC are as follows: It is easy to maintain and changes the voltage of AC power for transmission and distribution. AC voltages can be easily transformed to higher or lower voltage levels, while it is difficult to do in the case of DC voltages. The maintenance cost for AC transmission is lower than the DC transmission. In the DC System, the speed control range is greater than the AC System. There is low insulation needed in the DC system (about 70%).
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