The difference between the voltage regulator and the UPS

The functions are different, the voltage regulator and the UPS uninterruptible power supply are widely used, but there is a difference between the regulator and the UPS power supply, and many people are always wrong to think that the regulator is the UPS. So, what is the difference between UPS and voltage regulator?

UPS power supply is divided into an online UPS power supply and a backup UPS power supply. The common computer is equipped with a backup UPS power supply. The backup type including the voltage stabilizing part, which adopts the relay shift voltage regulation mode, and the voltage stabilizing effect is very poor, so it can not calculate the voltage stabilizer.

When the online UPS power supply is working, firstly convert the city into DC to charge the UPS battery, and the inverterturns the DC power into alternating current to power the load. As the city electricity passes through the exchange process to the DC, and then to the AC, the original interference and pulse voltage components in the city electricity have been filtered very clean. Therefore, the voltage of the online UPS power inverter is very stable. The advantages of high frequency UPS are small size, light weight, high efficiency, and its disadvantages are poor resistance to overload and impact. Low frequency UPS power supply is better, but bulky and expensive.

The regulator is designed for the instability of the grid voltage, mainly for the protection of the back-end equipment, and the protection function of the equipment is relatively perfect. In general, large UPS power supply must also be equipped with a voltage regulated bypass system (voltage regulator). The voltage regulator has a wide range of application, which can be used in almost any place where electricity is needed (the premise is voltage instability). Generally, the home can choose high-precision full automatic voltage stabilizer, and the price is also cheap. If it is used in industry, then use high-power compensation AC voltage stabilizer, there are mechanical and electronic type. General electronic type is not needed to replace carbon brush, simple and practical and convenient, but the voltage of the electric field is low, it is more reasonable to choose the mechanical regulator which can be manually adjusted. The voltage is adjusted manually to ensure the normal operation of the machine.

The above voltage regulator and UPS power supply are briefly introduced, in fact, the biggest difference is: The voltage stabilizer can only stabilize the voltage; UPS can not only play a stabilizing role, but also be able to continue power supply by battery inverter after power failure to ensure that the equipment does not power down.

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