This technical specification deals with the steady-state operation of cage induction motors within the scope of IEC 60034-12, when fed from converters. It covers the operation over the whole speed setting range, but does not deal with starting or transient phenomena. Only indirect type converters are dealt with. This type comprises converters with impressed direct current in the intermediate circuit (current source converters) and converters withimpressed d.c. voltage (voltage source converters), either of the block type or the pulse controlled type, without restriction on pulse number, pulse width or pulse frequency.
Deals with the steady-state operation of cage induction motors within the scope of IEC 60034-12, when fed from converters. Covers the operation over the whole speed setting range, but does not deal with starting or transient phenomena.
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