of the signal was analyzed and is displayed in figure 3. The spectrogram shows the periodic pulsed signal. The dynamic range of the power density covers the full range scale from minimum (pause) to maximum (pulse) and is sending out pulses every 10 milliseconds (ms) or 100 Hz (Hertz). ...
61 Table 4.8.3: UL 840 Test Methods to be Used to Test Clearances** Insulation Coordination for Electrical Equipment Type of Test Impulse*** Rate of Rise Hertz Duration of Test 1.2/50 3 Pos and 3 Neg* Cycles AC rms 50-60 3 Pos and 3 Neg* Cycles AC peak or DC 50-60 3 Pos and...