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TOS9300_Partial Discharge Test-Output function

AC output sectionTOS9301PD
AC output sectionOutput voltage range 0.050 kV to 5.000 kV
Resolution1 V
Setting accuracy±(1.2% of setting + 0.02kV) (at no load)
Max. rated load250 VA (5 kV/ 50mA)
Max. rated current50 mA (when the output voltage is 0.2 kV or higher)
Positive polarity *1Output voltage waveform*1 Sine
Distortion2 % or less. (when the output voltage is 0.5 kV or higher and no load or a pure resistive load is connected)
Crest factor√2 ± 3 % (0.8 V or higher)
Frequency 50 Hz/60 Hz
Accuracy±0.1 %
Voltage regulation±3 % or less (when changing from maximum rated load to no load)
Output methodPWM switching
Output voltage monitor functionIf the output voltage exceeds ±(10 % of setting + 0.05 kV), the output is turned off, and the protection function is activated.

*1 If an AC voltage is applied to a capacitive load, the output voltage may rise higher than at no load depending on the load capacitance. Further, waveform distortions may occur if an EUT whose capacitance is dependent on voltage (for example, an EUT that consists of ceramic capacitors) is connected as the load. However, if the test voltage is 1.5kV, the effect of a capacitance of 1 000pF or less can be ignored. Because the product’s high-voltage power supply uses the PWM switching method, if the test voltage is 500 V or less, the switching and spike noise proportions are large. The lower the test voltage, the greater the waveform is distorted.


Related specifications : TOS9300 Series

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