TY JOUR TI Improving efficiency of dredger electric power system KW electric drive KW DC bus KW active rectifier KW diesel generator KW capacity KW frequency converter JO Vestnik of Astrakhan State Technical University. Series: Marine engineering and technologies AU Kechkin, A.. AU Plekhov, A.. AU Khvatov, O.. PY 2022 IS PB Astrakhan State Technical University