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Design and Development of an Intelligent Uninterruptible Power Supply Stabilizer for Small Scale Industrial Application with Specifications 6000va, 220v, 50HZ

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Design and Development of an Intelligent Uninterruptible Power Supply Stabilizer for Small Scale Industrial Application with Specifications 6000va, 220v, 50HZ

ABSTRACT

An uninterruptible power supply (UPS) is a voltage storage device that allows an electrical or electronic appliance to maintain functionality while connected to the source of electricity for a reasonable period of time when the primary source ceases to provide power. There are different types of UPS. There are different types of UPS namely, Voltage and Frequency Independent (VFI-UPS), Voltage Independent (VI-UPS) and Voltage and Frequency Dependent (VFD-UPS). These types are dependent on the use, application and level of sensitivity of the appliance for which the UPS is designed. In the work implemented, new VFD concepts have the inverter producing power within 2 milliseconds after being activated which is an improvement of 12 to 20 milliseconds in earlier developments. This yields a 99% efficiency which is an obviously good result. It is recommended from the result that VFD-UPS be used in industrial applications where sensitivity has a high premium in boosting production.

Keywords: Uninterruptible Power Supply (UPS); Voltage and Frequency Independent (VFI-UPS); Voltage and Frequency Dependent (VFD-UPS); Voltage Independent (VI-UPS)

Authorship
1Bendor, Sampson A. 2Eze, Marcel Nduka

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