LabVIEW-based integrative power quality monitoring and fault recording system
Huang Xu · Dianli zidonghua shebei · 2009
Combined with the technologies of virtual instrument and database management,an integrative power quality monitoring and fault recording system is developed based on LabVIEW.The hardware archi- tecture and software programming as well as the key technical measures are expounded.By hardware and software ways,the power system voltage is collected and detected real-timely with data-acquisition card.It realizes the functions of long-term automatic operation,real-time measuring and analysis,historic data mana- gement and fault recording,suitable for three-phase power quality online monitoring.Compared with tradi- tional analyzer,it meets the requirements of power system study for sampling speed,precision and recording capacity,with shorter development cycle,simpler operation,stronger processing ability and more flexible expansibility.