1. DC microgrids and distribution systems: An overview
2. World Corbon Dioxide Emission from Fossil Fuel Combustion and Globel Atmosphere Concetrationshttps://bit.ly/2WaLi0n
3. Voltage Disturbances Standard EN 50160, Voltage Characteristics in Public Distribution Systemshttps://copperalliance.org.uk/uploads/2018/03/542-standard-en-50160-voltage-characteristics-in.pdf
4. Average Annual Growth Rates of World Renewables Supply, 1990–2018–Charts–Data & Statistics-IEAhttps://bit.ly/3o3U1Nj