Bombyk, V. S. “Microprocessor Device of Control System of Grid Multilevel Voltage Inverter With Limitation Transformers Magnetizing Current”. Visnyk of Vinnytsia Politechnical Institute, no. 5, Oct. 2017, pp. 108-14, https://visnyk.vntu.edu.ua/index.php/visnyk/article/view/2131.