Firmware V7.16.x
16.05.2023
50/183
The basis for calculating consumption and power is explained in more detail below using an example:
Meter constant: 1000 pulses/kWh
Transformer constant: 20 (corresponds to the conversion ratio 100:5 of the current transformer)
Number of measured pulses: e.g. 600 pulses
Time of the pulse counting: e.g. 15 minutes = ¼ h = 0.25 h
Consumption calculation
*
Consumption = number of pulses / meter constant * transformer constant
Consumption = 600 pulses * kWh / 1000 pulses * 20 = 12 kWh
Result: For the period of 15 minutes, consumption of 12 kWh has been determined.
Power calculation
*
Power = number of pulses / meter constant * transformer constant / time of the pulse counting
Power = 600 pulses * kWh / 1000 pulses * 20 / 0.25 kWh = 48 kW
Result: For the period of 15 minutes, power consumption of 48 kW has been determined.
* An analogous calculation method is used for the consumption or flow rate of gas or water (in this case in m
3
or
litres).
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