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How to use PA power analyzer to perform a perfect test on the power supply?

Source: InternetPublisher:aerobotics Keywords: Power supplies power analyzers Updated: 2021/01/06

The editor below will introduce to you a device for measuring power supply, the PA power analyzer. The PA power analyzer can accurately measure the output voltage, current, power, harmonics and conversion efficiency of the power supply. Zhiyuan's PA5000H power analyzer With 0.05% power measurement accuracy, 5MHz bandwidth and rich harmonic measurement functions, it is widely used in the R&D and testing of power supply products.

1. Power analyzer—electrical parameter test

The power analyzer focuses on steady-state testing. The power analyzer can test AC input and DC output at the same time, conduct synchronous analysis of overall energy efficiency and electrical parameters, and test input and output voltage, current, test voltage, current effective value, power factor, Efficiency, harmonics, etc., as shown in Figure 3.

How to use PA power analyzer to perform a perfect test on the power supply?

Figure 1 Electrical parameter test

2. Power analyzer—efficiency and power factor testing

The power analyzer tests the AC input power and DC output power, and sets the electronic load from no load to full load. Using the XY display mode of the power analyzer, you can directly test the efficiency and power factor curves from no load to full load.

How to use PA power analyzer to perform a perfect test on the power supply?

Figure 2 Efficiency curve chart

How to use PA power analyzer to perform a perfect test on the power supply?

Figure 3 Power factor curve graph

3. Power analyzer—IEC harmonic test

Electrical products will be tested for harmonics according to the IEC61000-3-2 and IEC61000-3-11 standards to verify whether they meet the standard requirements. The PA power analyzer can measure up to 500 harmonics, and has multiple combination display methods to simultaneously Displays the harmonic content of each order.

4. PA power analyzer—impulse current test

Usually, a large current will be generated at the moment when the load is energized. Excessive current will affect the normal operation of the equipment. The PSA programmable AC power supply can be used to simulate the voltage conditions when the output startup phase is at 0°, 90° and 270°, and the PA power analyzer can be used to test the startup surge current of electronic products.

How to use PA power analyzer to perform a perfect test on the power supply?

Figure 4 Inrush current test

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