Et system EAC-4Q-KS 15, Manual

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resistive load, so that the output voltage and output current reach the maximum value
specified by the product, read and record the AC voltage indication value, and take the
maximum value in the test.
The ripple coefficient is obtained by the following formula:
And:
• Harmonic Test
Connect the input side of the AC/DC source to the power grid, so that the input voltage is
within the operating voltage range of the power supply, and the output side is connected to a
pure resistive load. Set the output voltage value to make the power supply work within the
rated output voltage range, and enable the harmonic editing function, set the superimposition
value of each harmonic, read and record the measured value of the harmonic component on
the power analysis, record the oscilloscope waveform.
•
Inter-harmonic Test
Connect the input side of the AC/DC source to the power grid, so that the input voltage is
within the operating voltage range of the power supply, and the output side is connected to a
pure resistive load. Set the output voltage value to make the power supply work within the
rated output voltage range, and enable the inter-harmonic editing function, set the frequency
and harmonic superimposition value, read and record the inter-harmonic component
measurement value and THD on the power analysis, record Oscilloscope waveform.
• Voltage Drop Change
Connect the input side of the AC/DC source to the power grid, so that the input voltage is
within the operating voltage range of the power supply, and the output side is connected to a
pure resistive load. In the sequence mode, set the output voltage value, duration and change
rate of each step, read, and record the oscilloscope waveform.
•
Three-phase Unbalanced Output
Connect the input side of the AC/DC source to the power grid, so that the input voltage is
within the operating voltage range of the power supply, and the output side is connected to a
pure resistive load. Set the output voltage value to make the power supply work within the
rated output voltage range and set the phase angle value, read and record the waveform data
on the oscilloscope and power analyzer.
Y ——Ripple coefficient;
𝑈
𝑚𝑟 𝑠
——RMS of voltage ripple, V;
𝑈
𝑁
——Rated Voltage, V;