3PHACDMM-30-1-B4

The three-phase AC motor drive modernized is intended for variable-frequency controlling of three-phase electric AC motor.  

3PHACDMM supports the following functions and performances:

- Controllable start/stop engine;

- Reversal of rotation of engine with smooth closedown by sharp reversal of rotation;

- Smooth  starting duty and closedown motor mode with controllable acceleration and deceleration;

- Rate control (scalar algorithm U/f);

- Acceleration and deceleration regulation;

- Electric motor protection against current overload and short-circuit;

- Protection against pulse current inrush;

- Current protection pickup adjustment;

- Overheating protection;

- Protection against the simultaneous operation of transistors of the upper and lower inverter arm;

- Emergency external signaling ;

- Internal supply voltage control;

- It allows feeding the external circuits with its own  stabilized voltage +5 V and +15 V with current overload protection;

- Module power from the power circuit (for modules of 1,2,6 class);

- AC voltage connection without prior rectification (3PHACDMM with radiator type “1’);

- Smooth charge of filter capacity without additional charge resistor and charge control circuits (3PHACDMM with radiator type “1’).