Static Vs Rotary UPS - Which is Suitable for Your Application?
The role of power protection devices like Uninterruptible Power Supplies (UPS) have become more important as digitization has a big impact on the layout of global business. Business worksites such as factories, data centers, refineries, and much more, rely on a consistent stream of power to stay operational. Depending on the industry, over millions of dollars can be lost for every hour the system is down. UPS are utilized to avoid any power-outage related problems. They serve as the connector between utility power and generator power.
There are two UPS categories, static and rotary UPS. Static UPS is called “static” because the power path has no moving parts. The rectifier within the static UPS converts the arriving AC current to DC. The inverter then converts DC back to AC to give the load. The DC current combines with the energy storage medium. In common batteries, this charges the batteries and gains power from the batteries when the UPS fails.
The rotary UPS is called “rotary” because due to the rotating components inside the UPS. These components are used to transfer power to the load. Rotary technology has been used for quite some time and gained attention when loads commonly showcased a lower power factor and high harmonics. The low power factor leads to increase loss in the power distribution system which leads to an increase in energy cost. High harmonics shortened the life of both transformers and capacitors prematurely. Users often experienced dimming of lights when large motors were turned on. These characteristics destabilized the electronics of connected loads of the electrical network.
Rotary UPSs are best for environments distinguished by several short inrushes of power. One example would be an environment where multiple motors are turning on and off constantly. An example would be satellite and broadcast stations. Static UPSs provide much wider and broader use. Static UPS has a much more dominant presence than rotary UPSs, the main reason being that of installation cost and efficiency.
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