Patent ID: 6493644
Filing Date: 2002-12-10
Classification: G01R

Abstract:
An A-base revenue meter for measuring the delivery of electrical energy from an energy supplier to a consumer through an electric circuit, said meter comprising:a display; terminals disposed on a bottom side of said meter for coupling said meter with said electric circuit; a meter cover operative to enclose said meter and said display; a terminal cover for covering said terminals; a first seal connected with said meter cover and operative to prevent removal of said meter cover; a second seal connected with said terminal cover and operative to prevent removal of said terminal cover; one or more sensors coupled with said electric circuit and operative to sense one or more power parameters in said electric circuit and generate one or more analog signals indicative of said power parameters; at least one analog to digital converter coupled with said sensors and operative to convert said analog signals to one or more digital samples; and a detector coupled with said analog to digital converter and operative to compare each of said digital samples to a threshold and indicate a power quality event when said digital sample deviates from said threshold.