DEVICE FOR DETERMINING RUNNING IRREGULARITIES AND SPEED FLUCTUATIONS OF MACHINE SHAFTS

摘要

A device for determining non-uniformity of operation and speed pulsation of machine shafts containing an angular position transformer, with the stator phase windings supplied from a voltage shaping system, frequency divider, and generator of increased frequency stability, in which the winding transmitting the signal from the rotor of angular position transformer is connected, in series, to the zero transition detector characterized in that the phase detector (12) is connected to the frequency divider (9) and time-to-voltage converter (13), and the frequency divider (9) is connected to the gating circuit (14) connected to the zero transition detector (11) and frequency-to-voltage converter (15), and the shaft of the rotor (3) of angular position transformer (4) is mechanically coupled with the shaft of examined machine (1) with the use of a transmission gear of location W1:W0 = P, where W1 stands for the speed pulsation of the angular position transformer shaft (4), W0 stands for the pulsation of magnetic field in the gap of examined machine, and p stands for the number of pole pairs of examined machine of alternating current.IMAGE