1. Voltage stability - The voltage of a city is easily affected by the quality of power transmission lines. The user voltage near the substation is about 130-120 V higher, and the user voltage far from the substation is about 100-90 V lower. If the voltage is too high or too low, the service life of the user equipment will be shortened. When the equipment is serious, it will be burned down. Using online UPS can provide a stable voltage power supply. Voltage fluctuation is less than 2 V, which can prolong the service life and protection of the equipment. Equipment.

2. Power-off protection - When power-off occurs instantaneously, UPS uninterruptible power supply converts DC power supply of batteries into AC power supply to continue power supply.

3. High and low voltage protection - When the voltage of UPS is too high or too low, the built-in voltage regulator (AVR) of UPS will make appropriate adjustments to keep the voltage of municipal power within the usable range. If the voltage is too low or too high, UPS will convert DC power supply of battery into AC power supply to continue to supply power to protect user equipment.

4) Frequency stability - A city's electricity frequency is divided into 50 Hz/60 Hz. The so-called frequency is the period of change per second, 50 Hz is 50 cycles per second, the frequency of Taiwan's electricity is 60 Hz, and that of the mainland is 50 Hz. The power frequency converted from UPS uninterrupted power supply can provide a stable frequency due to the sudden change of the speed caused by the power consumption of the client when the generator is running.

5. Waveform Distortion Processing - When power is transmitted to the client through transmission and distribution lines, the use of various machinery and equipment often results in the distortion of the voltage waveform of the market, because the waveform distortion will produce harmonic * equipment and will increase the temperature of power system transformers. The distortion rate is generally required to be less than 5%, and the design distortion rate of UPS is less than 3%.

6. Monitoring power supply - Intelligent communication interface with UPS and monitoring software can record the time and frequency of power failure to achieve power supply monitoring, and schedule UPS uninterruptible power supply timing switch to save energy.

7. Suppression of Common-mode Noise - Common-mode noise is generated between the firing line/neutral line and the ground line.

8. Suppression of transverse mode noise - a transverse mode noise is generated between the fire line and the neutral line.

9. Shock wave protection - Usually UPS uninterruptible power supply will be equipped with shock absorber or tip discharge design to absorb shock wave to protect user equipment.

10. Instantaneous Response Protection - Voltage bumping or sagging or instantaneous voltage drop sometimes occurs when the municipal electricity receives * The use of online UPS can provide a stable voltage, so that the voltage variation is less than 2V, which can prolong the life of the equipment and protect the equipment.

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