局部放电检测原理课件.ppt

Review of Lecture 5;Review of Lecture 5;Review of Lecture 5;Review of Lecture 5;Lecture 6 Principles of Electrical Discharge Detection;;1. The Basic Diagram of ERA;1. The Basic Diagram of ERA;2. The Detection Impedance;2.1 the RC circuit;2. The Detection Impedance;(1)The height of the impulse is proportional to the magnitude q of the discharges.;2. The Detection Impedance;2. The Detection Impedance;t;2. The Detection Impedance;2. The Detection Impedance;;;3. The Amplification of Impulses;3. The Amplification of Impulses;4. Detection Sensitivity;4. Detection Sensitivity;4. Detection Sensitivity;;5. Impulse Resolution;5. Impulse Resolution;5. Impulse Resolution;5. Impulse Resolution;5.3 the resolution of the oscilloscope screen;5.4 the total resolution;;6.2 the influences of calibration impulse on the results;for RLC circuit;6. Calibration;The end