DEVICE TO MONITOR EFFICIENCY OF POWER USAGE IN CONSUMER POWER SYSTEMS Russian patent published in 2012 - IPC H02J3/24 

FIELD: electricity.

SUBSTANCE: device to monitor efficiency of power usage in consumer power systems comprising a set of current and voltage sensors connected to a switchboard, a permanent memory, outputs of metering converters are connected via the switchboard with a memory unit, the input-output of which is connected with a calculator, and its outputs are connected with an input of an electronic indicator, the inputs of which are connected also with outputs of the memory unit, the control device and the decision-making unit, inputs of the latter are connected with outputs of the memory unit, the calculator and the input-output of the control device, which with its inputs-outputs is also connected to the interface device, the memory unit and the sensor screen, at the same time the control device input is connected with the timer output.

EFFECT: expansion of functional capabilities.

1 cl, 2 dwg