TRANSFORMER MONITORING

With our Stromfee diary it is possible to display the transformer losses in real time

With the help of our high-resolution network analysis recorders, we record measurement data in the millisecond range in real time in order to analyze the data situation on site.

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Loss calculation and associated measurement:

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• The actual loss calculation of the transformer can be carried out in feed-in systems from an energy quantity of 2,000,000 kWh/year

• Through our network analysis and determination of the actual loss factor of the transformer, the network operator has to adjust the factor

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Calculation example/savings potential:

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• The transformer losses are calculated on the low-voltage side

• The transformer and power losses of the network operator are between 1% and 4%

• The actual losses of a system depend on the load profile

Example:

• A system feeds in 4,000,000 kWh/year

• The overall loss factor of the transformer was set by the network operator at 1.8%.

• However, according to our determination and calculation, the actual loss factor is only 0.8%.

• Result: The network operator must adjust the loss factor

• At 1%, this is 40,000 kWh/year

40,000 kWh/year * 0.3 € (electricity price) = 12,000 €/year savings

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