The relevance of the research is caused by the need to increase the reliability and reduce the fault rate of asynchronous electric drives of high-inertia mechanisms of the oil and gas industry and the mining industry. such as main oil pipeline pumps. ventilator installations of mining enterprises and others. A cross-line starting of such electric drives. https://www.ealisboa.com/limited-price-Cable-Splitter-weBoost-WilsonPro-by-Wilson-Electronics-mega-offer/