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ADT-40 Motor-tacho WT-40.


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The motor-tacho ADT-40 (ADT40, ADT 40)
The motor-tacho ADT-40 is designed for automatic systems, such as low-power drive transformer for remote transmission angle with selsyns and rotating transformers.
Designed as a two-phase induction motor with a hollow rotor bezobmotochnym.
One of the phases is the field winding, the second - the control winding, which signal that sets the direction and speed.
The motor-tacho ADT-40 is the same engine with an optional built-in induction tachometer, a signal which can be used for speed feedback in the control circuit.
Specifications electric appliances ADT-40:
Frequency - 400 Hz;
The excitation voltage - 40V;
Voltage control device electric motor-tacho ADT-40 - 24V, 40V;
Pick-up voltage - 1V;
Rated power - 2.5 W;
Starting torque motor-tacho unit ADT-40 - 150Gsm;
No-load speed - 4500ob/min;
Moment of inertia - 10Gsm ∙ ∙ s 2 10 -4;
Electromechanical time constant of the motor unit WT-40 - 31ms;
Efficiency - 20%;
The excitation voltage - 40V;
Input impedance instrument motor-tacho ADT-40 - 260 ohms;
Nonlinearity of the output characteristic - 0.15;
The steepness of the EMF - 3mV/ob/min;
Residual emf motor-tacho unit ADT-40 - 80mV;
Phase EMF --50grad;
Power consumption - 4W;
Output impedance - 1930 ohms;
Dimensions instrument ADT-40 Electric motor-tacho:
- Case diameter - 40mm;
- The length of the output shaft ends - 102mm;
Unit weight motor-tacho ADT-40 - 0.45 kg.

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