Linear motion calculation of the high voltage circuit breaker contacts using Rotary Motion measurement with nonlinear transfer function

Motion measurement of the contact system of high voltage circuit breakers is of crucial importance for assessing the condition and health of the test object. To monitor motion of the contact system, depending on the construction, motion transducer is usually mounted on the moving parts of the operating mechanism linkage. That introduces a measurement error into the result. This paper presents the method and the software implementation of the measurement-error mathematical-correction.