Abstract
Low power quality may cause serious problems in electricity networks, among them there are: reduction of equipment lifetime; false activation of protection devices; and increase in electrical and thermal losses. Considering this, it is very important to monitor electrical power quality of an industrial facility. This paper describes the architecture of an application-specific integrated circuit IP-core for power quality measurements. The main focus are the digital signal processing modules, which are designed based on IEC standards. The proposed Integrated Circuit, which uses TowerJazz 180 nm CMOS technology, comprises seven measurement channels for poly-phase systems and generates high precision estimation for power quality parameters. Experimental and simulated results are used to validate the proposed system.
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