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Author ：Iflowpower – Portable Power Station Supplier
How to view the power of the UPS power supply? How to identify UPS power performance is good? In the face of a dazzling full UPS power product, how should I choose, how to identify good or bad, is the first consideration problem?. Currently in power plants, shopping malls, supermarkets, and banks, use UPS power supplies. In the case of a good or bad, the type of power supply is used, it is necessary to use the dedicated measuring instrument to ensure the accuracy of the identification results.
First, how to check the power of the UPS power supply? 1. Look at the indicator: When the battery is powered, the 5 indicators on the left represent 20% of the power, if it is a main electric power, each lamp represents 20% load. 2.
Instrument detection: Test the discharge tester using a single battery, first calculate its CCA value according to the capacity on the battery sign, input the CCA value of the battery to the battery tester actually tested the CCA value Comparing with the nominal value to calculate the battery's existing capacity is a percentage of the nominal capacity. Secondary battery tester can also test the internal resistance of the single battery and the determination of the grid. 3.
Multiple table measurement: measurement in battery charging and discharge mode, important measuring the end voltage of each battery in the battery pack, if one or more battery terminal voltage is above or below the nominal voltage, can also Determining the battery aging. There is also a tendency to detect the change in the total voltage of the battery pack before the battery discharge. If it is a large number of volts falling in an instant, then there must be a single battery fault, and then a section of the section.
Look out. Second, how to identify the UPS power performance? 1. First, consider its ability to adapt to complex grid environment, including the adaptability of diesel engine drag.
To examine the performance indicator with input voltage allows variation, input power factor and power-specific UPS two-way anti-interference. 2, can be judged from the appearance, important observing the appearance is deformed, whether there is a convex, whether there is a leakage, whether it is broken, whether there is an oxide in the screw connection, etc. 3, using load measurement method: By observing the appearance, the UPS power supply works below the battery mode to bring a certain amount of load.
If the discharge time is lower than the normal discharge time, and after charging eight hours, it still cannot return to normal alternate time. At this time, it can be determined that the battery is aging. How does the performance of the UPS power supply test? Typical technical indicators of UPS, such as the AC voltage, input frequency, power factor, output of the input, power factor, output voltage, output current, output frequency, overload capability, etc.
, can ensure the power quality of UPS. However, the UPS load is mostly non-linear load, and the UPS itself absorbs energy from the grid, and the load of the grid is also non-linear. Since the current waveform of the nonlinear load is seriously distorted, the waveform of the waveform and the total harmonic distortion are important technical indicators that the UPS must investigate.
Regarding the measurement of nonlinear loads of waveform, it is difficult to accurately measure the common electrician instrument. ZLG Duanyuan Electronics PA300 Series High-precision power analyzer can accurately measure non-sine waves, and can continue, rapid and accurate harmonic analysis. The above is a method of viewing the UPS power supply and the method of identifying UPS power performance.
The better the performance, the stronger the ability to protect, so the user should select different types of power-specific UPS depending on the importance of the load and the importance of the load, and the importance of the load.
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