About the book: 2015 / Electrical network failures (blackouts), local, man-made and large-scale disasters can instantly disable the entire well-functioning system of energy supply and communications and comfort in your home, no matter how “smart” it may be. This danger is present not only in rural areas (where electricity is still cut off with amazing frequency), but also in large metropolitan cities, where, no matter what you want, it is not possible to install your own “spare” source of electricity in the form of diesel in the basement of an apartment building. generator However, we are not deprived of an easy way to use alternative forms of electricity using industrial uninterruptible power supplies and generators; their simple modification will be discussed in a book explaining the issues of autonomous power supply. For a wide range of readers.