Importance

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Abstract

An electric energy meter for measuring various parameters of electrical energy consumption during time differentiated billing rate periods, and for controlling a load. A clock produces periodic timing pulses which are accumulated to represent the current time. Stored within the meter are a plurality of preselected rate change control points defining time intervals and their associated billing rates, i.e. on-peak, mid-peak, and base. The current time is compared with each rate change control point until a time interval into which the current time falls is found. The rate change control point defining this time interval, designated the current rate change control point, controls accumulation of the energy consumption data in accord with its billing rate data code. The load control bit associated with the current rate change control point determines whether the load is to be shed or reconnected during the time interval the current rate change control point controls accumulation of the energy consumption data. The least significant digit of one of the registers accumulating the energy consumption data is read. This least significant digit, in conjunction with the load control bit, controls the shedding and reconnecting of the load during the aforementioned time interval.

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First Claim