The Need for Electrical Conversion

Battery Charger

In the 1880s, two major inventions determined the course of electric power systems. George Stanley built a practical transformer, and so allowed convenient conversion among various voltage levels for ac. Nikola Tesla invented the polyphase ac system, and with it showed an easy method for converting electrical energy into mechanical energy. The advantages of low-frequency ac were compelling to designers […]

Read more
1 3 4 5