The paper introduced a design and realization of direct sampling of AC Voltage and current based on a single chip micro - computer and used PLL CD4046 to realize phase Angle sampling.
The directcurrent method is a simple and convenient method for calculating power system load flow which is applicable for on line control and calculation by computer.
网流直流法是适用于计算机在线控制和计算的一种简便潮流计算法。
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The function of the power supply is converting the alternating current provided by the power plant into directcurrent required by normal computer system.