• DESIGN AND CONSTRUCTION OF AC VOLTMETER USING COMPUTER INTERFACE


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    • ABSRACT - [ Total Page(s): 1 ]Voltage is a fundamental quantity that is important in every phase of electrical engineering from power system to voltage inside VLSI chips. Of The need to measure the output voltage of a supply is very important meanwhile, The voltmeter is an instrument for measuring voltage, it could be digital or Direct voltage, meanwhile, the rectification process of the alternating voltage using diode, make, it more possible for ac voltages to be measured.However, the need for modernization makes it necessary to use computer to view the output of the voltage in either graphical or numerical form. Chapter ... Continue Reading

         

      CHAPTER ONE - [ Total Page(s): 2 ]i. Passing Ac through D’ Arsonval MeterThis causes useless flutter of the needle. In order to use a Dc style, meter such as C’ arsenal design the alternating current must be rectified into Dc. This is most easily accomplished through the use of devices called Diodes we will see diodes used in a circuit that demonstrates, the creation of harmonic frequencies from a distorted (or rectified) sine wave. Another strategy for a practical ac meter movement is to redesign the movement without the inherent polarity sensitivity of the Dc types. This means that the use of pe ... Continue Reading