Solar power systems and components, namely, DC/DC power converters for use with solar cells, photovoltaic modules or strings of photovoltaic modules; solar power conversion systems with data communications for use with solar cells, photovoltaic modules or strings of photovoltaic modules comprised of DC/DC power converters and electronic controllers for use with power converters; solar power systems comprising photovoltaic solar modules, housings for electronics, printed circuit boards, field effect transistors, electrical inductors, capacitors, electric resistors, microprocessor radio receivers and transmitters; software for managing solar power and photovoltaic solar modules