Comparative analysis of the standardized parameters of the characteristics of the countries of the EU, the USA and Russia

The two most common standards in the world are voltage and frequency. One of them is the American standard 100 - 127 volts 60 Hertz. Another standard is European, 220 - 240 volts 50 Hertz. Most countries have adopted one of these two standards, although transitional or unique standards are sometimes found. This article presents a comparison of various characteristics of the quality of electricity standards of the EU, USA and Russia, as well as an analysis of the quality of electrical energy.