This thesis The study and design of electrical measuring set allocation in a low pressure system Coordinates measuring voltage between phase, maximum 600 Vrms Can be measured on the phase current and maximum 100 A.Such as, V.I P S,,, and. Q PF, etc., and can save the information inside the machine with a external memory (SD Card) maximum 4 GB.The board Arduino Mega 2560 series is converted from analog to digital signal measurement, measurement and signal into a program LabView display measurement. The display through the computer. The author set measurement model simulated measurement results, the load RLC.2.3% compared with Power Meter WT500.
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