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Test For Frequency Characteristics Of Film Capacitors
Jan 08, 2019

1. Select a capacitor connected to an adjustable frequency voltage source and attach the temperature sensor to the rugged capacitor.
2. Turn on the adjustable frequency voltage source, adjust the voltage to the appropriate value, adjust the frequency to the minimum, and use the storage oscilloscope to observe the waveform.
3. Keep the vertical elevation frequency to 30khz for 10 minutes and record the temperature value, and keep the temperature value for 10 minutes for every 5khz increase.
4. When it reaches 80khz, increase 1khz at a time for 10 minutes and record the temperature value, until the highest working temperature of the capacitor is reached, stop the test.