|
|
|
|
|
|
A
power inverter, or
inverter, is an
electrical power converter that changes
direct current (DC) to
alternating current (AC);[1] the converted AC
can be at any required voltage and frequency with the use of appropriate
transformers, switching, and control circuits.
More is here, en.wikipedia.org: Power inverter
|
|
|
|
|
|
|
New 04.2014 |
Přehrát video: I. The MCU Zilog Z8F6422 and the Power sine inverter project
|
|
|
|
Přehrát video: II. The sine wave of the inverter on oscilloscope.
|
|
|
|
Přehrát video: III. Dynamic braking resistors and turn-off high power.
|
|
|
|
 |
|
|
|
|
|
| New 05.2013 |
DOUBLE PHOTOVOLTAIC ISOLATION AMPLIFIER for DC/AC converter. Using the IL300 Optocoupler, in OZ
741 , out low voltage OZ LMC6484
to MCU Z8F AD converter |
|
 |
In Blue 1V/DIV, Out YELLOW 0.5V/DIV.
20 us/DIV
 |
In Blue 1V/DIV, Out YELLOW 0.5V/DIV.
10 ms/DIV
 |
|
|
|
|
|
|
The equipment consists of the following components :
|
Mainboard MCUZ8F6422 , |
PWM generator, Controler, sine generator,... |
|
The auxiliary switching power supply and 3.3V to 18V Gate Converter |
with UC3825, Atx ferrite transformer, etc |
|
Two a gate drive transformer GDT |
is used to drive the gate of a MOSFET transistor
|
|
Power IGBT transistors |
Full bridge |
|
Output Power Ferrite Transformers |
|
|
|
|
|
 |
|
|
|
|
|
|
|
Mainboard MCUZ8F6422 ,
software
Variable sine frequency
Variable switching frequency of PWM
Variable width of PWM |
|
|
|
 |
|
|
|
|
|
|
|
The auxiliary switching power supply and 3.3V to 18V Gate Converter
Two a gate drive transformer GDT |
|
|
|
 |
|
|
|
|
|
|
|
Power IGBT transistorsOutput
Power Ferrite Transformers |
|
|
|
 |
|
|
|
|
|