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Selsyns, rotary transformers, electric motors >> engine-generators (ADG-, DG-, DGM-, IE- and others) >> DG


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The engine-generator DG-0,5TA (DG0,5TA, DG 0,5 TA, DG-0,5-TA, DG 0,5 TA, DG0,5-TA, DG0,5 TA)
The engine-generator DG-0,5TA with a hollow aluminum  rotor is used in automatic control systems.
The engine-generator is a unit consisting of the motor and tachometer. Currently, there are domain walls, which include motor and tacho DC, two-phase asynchronous motor controlled and tacho DC, asynchronous motor and tacho, controlled two-phase induction motor and synchronous tacho.
The unit may also include a reducer. In some cases, devices engine-generator DG-0,5TA supplied with interchangeable gearboxes with different ratios.
For accurate calculating devices used tach AT AC consisting of TGA to the linearity of the output characteristics of 0.05% -0.1% and the residual emf-15mV 50mV, and managed a two-phase motor.
For tracking systems with tachometer feedback and DC precision integrating DC drives are used DW, containing two-phase asynchronous motors are controlled and TGP.
Tracking systems for the low accuracy of instruments motor generators DG-0,5TA, consisting of TGA and asynchronous two-phase motor with hollow rotors.The linearity of the output characteristic of the domain wall about 1%, the residual emf-100mV 200mV.
The unit motor-generator DG-0,5TA is designed for operation under conditions of high hardness, specific to the products of aviation technology.
Technical characteristics of the devices engine-generator DG-0,5TA:
The maximum useful power - 0.5 watts;
Static friction torque - 10 ∙ ∙ 10 -4 N m;
Speed ​​at no load - 13000ob/min;
Starting torque engine-generator unit DG-0,5TA:
- Excitation - 0.185 A;
- Control - 0.13 A;
The total current of the generator - 0.13 A;
Pick-up voltage device engine-generator DG-0,5TA - 0.5;
Electrical time constant - 0.2 sec;
Efficiency - 11%;
Impedance winding engine control unit motor-generator DG-0,5TA - 215 ohms + j144 ohms;
The steepness of the output characteristic - 0.3 mV / V / min;
Residual EMF - 0.1;
The ratio of the variable component of the residual emf to the steepness of the unit motor-generator DG-0,5TA - 0.025;
The moment of inertia of the rotor - 0,02 ∙ 10 -6 kg ∙ m 2;
The output impedance of the generator - 890 + j750 ohms;
Phase error - 2ugl.grad;
Shock - 120m / s 2;
Ambient temperature - from -60 ° C to +100 º C;
The relative humidity at 20 ° C - 98%;
Warranty life unit motor-generator DG-0,5TA - 250 hours;
Dimensions of the unit:
- Diameter - 26.4 mm;
- Length - 67.3 mm;
Weight of the device engine-generator DG-0,5TA - 0.1 kg;
The manufacturer guarantees the quality of the unit motor-generator DG-0, 5TA technical requirements specifications, subject to the consumer the terms and conditions of storage, transportation, installation, operation, established specifications and operational documents.