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The generalized impulse voltage measuring system is analyzed as a complete entity using the step response approach. The analysis shows that the response time of the system is not determined correctly by conventional methods and a new method is presented. Revisions to the conventional methods are proposed which will enable the true response time of the system to be determined. Five separate measuring systems are investigated experimentally using both techniques and the predicted and measured values of the conventionally measured response time are shown to be in very good agreement. As a result of the investigation, certain specific suggestions are made for revisions to existing standards for this type of measurement.
Date of Publication: Nov. 1967