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VT20-27-0,4-0,56-D29

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Transformer VT20-27-0,4-0,56-D29 rotating (W 20 27 0.4 0.56 D 29 VT20 27 0.4 0.56 D29, VT2027-0 ,4-0 ,56-D29, VT20-27-0 ,4-0, 56D29, VT20-270 ,4-0 ,56-D29, VT2027-0 ,4-0, 56D29)
 
Rotary transformers VT20-27-0 ,4-0 ,56-D29 is a two-pole contact four or six coil winding machine.
Depending on the scheme and the inclusion mode (function) devices rotating transformer VT20-27-0,4-0,56-D29 divided by sine-cosine (Synchro), output voltage which is proportional to the sine (cosine) the angle of rotation of the rotor, and linear (LVT), the output voltage which varies linearly proportional to the angle within ± 60 °.
 
Technical characteristics of the instrument transformers VT20-27-0,4-0,56-D29 rotating:
 
Operation - Synchro, VTDP, LVT;
Changing the phase shift of the output emf when the excitation voltage - 100ugl.min.;
Changing the zero position of the rotor unit transformer VT20-27-0,4-0,56-D29 rotating when the excitation voltage - 3ugl.min.;
The change of ratio when the ambient temperature at every 40 ° C - 0.3%;
Changing the phase shift of the EMF output when the ambient temperature at every 40 ° C - 75ugl.min.;
Changing the zero position of the rotor when the ambient temperature of -60 º C to 85 º C - 3 ang.;
Contact resistance change of the instrument transformer VT20-27-0,4-0,56-D29 rotating a rotation of the rotor - 1 Ohm;
Shaft speed - 5ob/min; 120ob/min;
Moment of static friction device transformer VT20-27-0,4-0,56-D29 Rotary - 0,001 Nm;
The steepness of the output emf of a transformer for remote transmission - 3mV/min;
Nominal frequency of the excitation voltage instrument transformer VT20-27-0,4-0,56-D29 Rotary - 400Hz;
Operating frequency range of excitation voltage - 380Gts-4200Gts;
Supply voltage - 27V;
Input impedance transformer idling device VT20-27-0,4-0,56-D29 rotating- 400 ohms;
Turns Ratio - 0.56;
Rotary transformers VT20-27-0 ,4-0 ,56-D29 Synchro mode are divided into accuracy classes:
- Transformer VT20-27-0,4-0,56-D29 Class 1 accuracy (1st class. T) has the characteristics:
- Asymmetry of null positions of the rotor - ± 1,67 ang.;
- Error display the sine function - ± 0,05%;
- Residual EDS - 0.2% (0.1%);
- EMF quadrature coil - 1%;
- The inequality of the coefficients of transformation - 0.05%;
- Accuracy repetition of transformer for remote transmission - ± 5ugl.min.;
- Transformer VT20-27-0,4-0,56-D29-2 class of accuracy D29 (2 cl. T) has the characteristics:
- Asymmetry of null positions of the rotor - ± 3,33 ang.;
- Error display the sine function - ± 0,1%;
- Residual EDS - 0.2% (0.1%);
- EMF quadrature coil - 1%;
- Inequality transformation ratios - 0.1%;
- Accuracy repetition of transformer for remote transmission - ± 10ugl.min.;
- Error display a linear relationship - ± 0,1%;
- Residual emf LVT - 0.1%;
- Transformer VT20-27-0,4-0,56-D29 Class 3 accuracy (3 cl. T) has the characteristics:
- Asymmetry of null positions of the rotor - ± 6,67 ang.;
- Error display the sine function - ± 0,2%;
- Residual EDS - 0.2% (0.1%);
- EMF quadrature coil - 2%;
- Inequality transformation ratios - 0.2%;
- Error display a linear relationship - ± 0,2%;
- Residual emf LVT - 0.2%;
- Transformer VT20-27-0,4-0,56-D29-4 class accuracy D29 (4 cl. T) has the characteristics:
- Error display a linear relationship - ± 0,3%;
- Residual emf LVT - 0.2%;
Vibration loads:
- Frequency range - up to 2000Hz;
- Acceleration - 200m / s 2;
Shock - 750m / s 2;
Ambient temperature - -60 ° C to +85 º C;
Relative humidity at 35 ° C - 98%;
Weight - 0.065 kg;
Dimensions instrument transformer VT20-27-0,4-0,56-D29 Rotary:
- Length - 55mm;
- Diameter - 20.2 mm;
Warranty life:
- At frequency 5ob/min - 10,000 hours;
- At frequency 120ob/min - 2000 hours;
The manufacturer guarantees the quality of the instrument transformer VT20-27-0,4-0,56-D29 rotating the technical requirements specifications subject to user terms and conditions of storage, transportation, installation, operation, established specifications and operational documentation.


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