The design and construction of an uninterrupted power system (ups)
Table Of Contents
- Title pageCertificationDedicationAcknowledgementAbstractTable of contentCHAPTER ONE1.0 Introduction1.1 Project ObjectiveCHAPTER TWO2.0 Literature ReviewCHAPTER THREE3.0 Methodology3.1 Design Analysis3.2 Circuit Diagram3.3 Block Diagram3.4 Trickle Charging3.5 Automatic FunctionCHAPTER FOUR4.0 Principle of Operation4.1 Modes of Operation of UPS System4.2 The DC Source4.3 Automatic Control System4.4 TransformersCHAPTER FIVE5.0 Construction, Testing/System Evaluation5.1 Packaging5.2 MaintenanceCHAPTER SIX6.0 Conclusion/Recommendation6.1 Costing6.2 Bibliography
Thesis Abstract
This uninterruptible power supplies device has the capability of converting from 12volts D.C to 220volts alternating current at the frequency of 50Hz with the help of a step-up transformer. The main importance of this device is its ability to ensure absolute continuity of power to the computerized control system thereby protecting a critical equipment from electrical supply failure. Ups system achieve this by rectifying the mains supply, using the direct current to charge the standby battery and to produce a “clean†alternating current by passing through an inverter and filter system. The output produced is free of sags of services in the line voltage, frequency variation, spikes and transients.
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