TY JOUR TI SWITCHING OVERVOLTAGE MODELING IN THE PROCESS OF SWITCHING THE HIGH-VOLTAGE ELECTRIC MOTORS BY THE VACUUM SWITCHES KW electric motor KW vacuum switch KW overvoltage KW level KW parameter KW moment KW capacity KW mathematical model JO Bulletin of KSAU AU Kulikovsky, V.S. AU Kovaleva, O.A. PY 2012 IS 0 PB Krasnoyarsk State Agrarian University