UPS Capacity Selection by kVA or by kW When selecting a UPS capacity, the selection method differs depending on whether it is selected by kVA or by kW. When selecting in kVA: Select a UPS with a capacity that is greater than the total kVA of the load capacity (power consumption of the load […]
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Vol.2: Active Power 1. What are Apparent Power and Active Power? There are two types of capacity notation. Apparent power (kVA): Total power that is available to run Active power (kW): Power that actually does work Since there is a deviation between the flow of voltage and current, the power that can theoretically be produced […]
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Vol.1 – Introduction to Capacity In this tutorial series, you can learn the easy steps on how to select UPS for your equipment or facility. First, let’s go over on basics with capacity. 1. What information is required when selecting a UPS? Capacity (kVA, kW), load equipment (model/power consumption) Input/output voltage (V), number of phases […]
How a Double Conversion Online UPS Works There are various types of UPS products. There are four main methods to supply power: passive standby topology, hybrid topology, double-conversion online topology, and parallel processing. 1. Passive standby topology This method has less power conversion loss. As there is a slight momentary interruption during a power […]
There are several types of storage batteries used in UPSs, but lead-acid batteries and lithium-ion batteries are the most common. Lead-acid batteries are also used in automobile batteries. The Initial cost of installation can be kept low, but the disadvantage is that they must be replaced in about 3 to 5 years. On the other […]
The basics of UPS How does a UPS continue to supply the electricity in the event of a power outage? The structure is actually quite simple. Imagine an extension cord that you often use in your office or home. It has multiple plugs at the end of a cord that is connected to the power […]
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What is the difference between emergency generators and UPS? Both emergency generators and uninterrupted power supplies (UPS) are designed to back up a system when the original power source fails; however, there is a major distinction between the two. 1. Generators Generators installed at private corporations and public facilities can generate power for long […]
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