“A high accurancy standard for electricity meters” (EN)

Schneider Electric

“A high accurancy standard for electricity meters” (EN)

Publicado: 11 de novembro de 2014 · Categoria: Brochuras

Deste documento

A high accuracy standard for electricity meters by Lance A. Irwin Executive summary Many meter manufacturers have been making inaccurate claims about how their meters surpass standards for accuracy. ANSI C12 metering standards have proven invaluable to utilities for evaluating new metering technologies as they emerge. Since accuracy is perhaps the most important attribute of high-end metering, it is important to understand how manufacturers make claims for accuracy outside the current standard. This paper examines the current standard ANSI 12.20 and proposes a new standard accuracy class. 998-2095-01-26-12AR0 A high accuracy standard for electricity meters Summary Introduction........................................................................................................................... p 2 Who makes the standard...................................................................................................... p 4 The current standard............................................................................................................ p 5 Market place claims for accuracy outside of the standard..................................................... p 6 Benefits of high accuracy metering....................................................................................... p 7 A new standard accuracy class............................................................................................. p 8 Issues to...