Rotating transformer VT-5 is a contact two-pole four-coil machine.
Operation mode – continuous
Mass 0.68 kg
Accuracy parameters
Parameter | Class specification | ||||
A | B | 0 | 1 | 2 | |
Sine dependency duplication inaccuracy, % | ±0.02 | ±0.04 | ±0.06 | - | - |
Rotor initial position asymmetry, arcmin | ±0.5 | ±1 | ±1.5 | - | - |
Quadrature coil electromotive force, % | 0.125 | 0.25 | 0.375 | - | - |
Residual electromotive force, % | 0.015 | 0.02 | 0.03 | 0.02 | 0.04 |
Transformer ratio inequality, % | 0.2 | 0.2 | 0.2 | - | - |
Linear dependency duplication inaccuracy, % | - | - | - | ±0.11 | ±0.22 |
Technical parameters
Rated excitation frequency, Hz | 500 |
Excitation frequency range, Hz | 380..1050 |
Transformer remote transmission duplication inaccuracy, arcmin | +3 |
Transformer ratio variation with excitation voltage, % | 0.02 |
Output electromotive force phase variation with excitation voltage, arcmin | 8 |
Rotor neutral position variation with excitation voltage, arcmin | 0.03 |
Transformer ratio variation with ambient air temperature, per each 40 oC, % | 0.03 |
Output electromotive force phase variation withambient air temperature, per each 40 oC, arcmin | 40 |
Contact resistance variation with rotor rotation (for LSh3.010), Ohm | 0.1 |
Shaft speed, min-1 for KF3.031 for LSh3.010 | 5 60 |
Static friction moment, 10~3 Nm | 13 |
Operational limits
Vibratory loads frequency, up to, Hz acceleration, m/s2 | 2000 100 |
Mechanical impact, m/s2 | 750 |
Ambient air temperature, oC | -60..+100 |
Relative humidity at +40 oC, % | 98 |