It is the idea of intelligent measurement systems including electronic electricity meters, which enables, among others, bi-directional communication between the meter and energy supplier and remote reading of the energy consumed. Directive 2009/72 / EC of the European Parliament and of the Council of 13 July 2009 obliges Member States to replace meters with new ones by at least 80% by 2020. This is confirmed by a positive assessment on the distribution of smart energy meters that Poland has provided to the European Commission and adoption of the so-called "Small three-pack energy", i.e. the Act of July 26, 2013.
Although the modernization of the electricity distribution market brings many benefits to both operators and consumers, this technology is not without drawbacks. The level of disturbances in the low voltage network is constantly growing due to the increasing use of switched power supplies, frequency converters, inverters, inductive devices, thyristor controllers and LED lighting. In such a "crowded" environment, communication between the meter and data concentrator can be easily disturbed and in some cases can lead to erroneous reading, damage or even destruction of the meter.
The only solution to the above problems may be the use of a filter that will reduce interference to a level that enables reliable communication on the counter - data concentrator line (Cenelec band A, B, C).