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Design And Construction Of A Three Phase Authomatic Change Over Switch With Generator Starter And Cut-off
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1.3 Aim and Objectives
This
project is centered on design and construction of an automatic
change-over switch with generator cut off and starter. However, the
specific objectives are as follow;
1. To design a device that automatically switches on the generator and switch over the load to the generator whenever
there is mains power failure.
2. To sort and examine various components to be used for the construction of automatic changeover switch
3. To design and integrate the sub-units of the automatic changeover switch
4. To carryout a test on the sub-units design of the automatic changeover switch
1.4 Scope of the Study
The
scope of this project is focus on designing and construction of a
change-over switch with cut off and starter of a generator with the
capacity of 3.5KVA. It also revolves around a project that is designed
for power supply applications. It involves automatic changeover between
the main power supply and an auxiliary power supply, such as a
generator. The project implements an automatic switching or starting of
the power generator whenever the main power fails.
1.5 Limitation of the Study
Some of the limitations of the automatic changeover design are;
1. The design cannot function with a generator that is not auto-start.
2. It does not function properly for a generator higher than 3KVA.
3. The design of the automatic changeover switch with cut off and starter does not function with a faulty generating set
4. The design will not function properly when there is no engine stopper in the generator.
1.6 Significance of the Study
The significance of this work cannot be overemphasized. Therefore, benefits that are associated to the change-over switch are;
1.
It minimizes damages to lives and equipment since it has its own
monitoring system and its switching requires no human contact with the
switch, thus eliminating human error.
2. It reduces change-over time to a minimum, due to its fast response to power restoration
3. It maintains high quality of service through its fast and prompt response.
4. Moreover, the unit is portable, easy, convenient and safe to install.
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ABSRACT - [ Total Page(s): 1 ]This project is on design and construction of a three phase automatic changeover switch with generator starter and cut-off. PowersupplyinNigeriaandmostdevelopingcountriesoftheworldisanythingbutstable.Thishasadverseeffectsontheconsumersoftheelectricityandtheequipmentsthatareoperatedfromthemainssourcesofelectricitysupplyinthese partsoftheworld.Inthispaper,weprovideanautomaticswitchingmechanismthattransferstheconsumerloadstoapowersourcefromageneratorinthecaseofpowerfailureinthemainssupply.Itautomat ... Continue reading---
