Accurate Measurement of Velocity and Acceleration of Seismic Vibrations near Nuclear Power Plants By. Syed Javed Arif Department of Electronics Engineering, A.M.U., Aligarh, India. CONTENTS. INTRODUCTION THEORY REALIZATION EXPERIMENTAL RESULTS
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Syed Javed Arif
Department of Electronics Engineering, A.M.U., Aligarh, India
A. When the vibration system is stationary
B. When the system starts vibrating
with its Cosequences
Microprocessor based vibration generation and measurement setup
Single-phase to three-phase voltage conversion system
Measured waveforms V Vibrations near Nuclear Power A, VB, VC at the output of power amplifiers
(CH#1, CH#2 and Ch#3).
Measured three phase voltages, V Vibrations near Nuclear Power A, VB, VC at stator winding of synchro (CH#1, CH#2 and Ch#3). Vr, fr (CH#4).
Measured output of rotor, Vr, fr of synchro, S (Ch#4) and Output of ZCD, VR, fR (Ch#1) at 50 Hz.
Waveforms of signals, V Vibrations near Nuclear Power R, Q, Q´ and output TWG-, when the vibrating system is stationary.
Measured output of ZCD, V Vibrations near Nuclear Power R (Ch#1), output of OS Q´ (Ch#2), output of gate G-1, TWG- (Ch#3) at 50Hz and output of synchro Vr (Ch#4) when the vibrating system is stationary.
Waveforms of signals VR, Q, Q´ and output TWG-, when vibration is started.
. output of gate G-1 (Ch#3Experimental setup for the measurement of velocity and acceleration.