Automatic systems of a new generation, controlling the speed of electric motors by creating at the output of the converter electrical voltage of a given amplitude and frequency. The basis of the system, which was developed and manufactured by our company, is a direct high voltage conversion circuit, which allows to obtain a voltage output signal close to the sinusoidal form. This is achieved by using a cascade of inverter cells at the output, which allows the system to work with high-voltage asynchronous and synchronous motors without additional voltage increase and without installing additional electrical filters.
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