3. How Does a DC to AC Power
Converter Work?
How Does a DC to AC Power Converter Work?
Two basic types of electricity:
AC Alternating Current
switches continuously from negative\
to positive
DC Direct Current
always flows in the same direction
How Does a DC to AC Power Converter Work?
Early DC to AC convertors used
mechanical switches
Modern DC to AC convertors use two or
more electrical switches called transistors
How Does a DC to AC Power Converter Work?
Electricity flows through power lines at 120 –
240 volts
(depends on the country)
DC ranges between 12 and 30 volts
(far too low to power appliances designed to
run from outlets.)
How Does a DC to AC Power Converter Work?
How do you run appliances when the
voltage is too low?
Use a DC to AC convertor with a step-up
transformer.
How Does a DC to AC Power Converter Work?
AC at home changes polarity 60
times/second.
This is referred to as:
60 Hertz or 60 cycles.