98 Pages
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12,039 Words
1.0 INTRODUCTION As the quest for change over on public power supply and stand by generation increase. Engineering have researches deep into the different methods of achieving to both manual and automatic types. It may not be taken seriously in some places where power supply is up to 90 constant or where intermittent outage causes no great damage. However, place where they have business centers, industrial centers and even cold rooms n […]
43 Pages
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5,965 Words
1.0 INTRODUCTION As the zeal for change over on public power supply and stand-by generator increases, Engineers have researched deep into the different ways and methods of achieving power change-over both manual and automatic types. It may not be considered a serious issue in some places where supply is up-to 90% constant or where intermittent outage causes no great damage. However, places like the business centers, industrial areas, a […]
33 Pages
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3,849 Words
1.1 INTRODUCTION Change over switch is a device used to switch off a power supply and subsequently switch on another power source. Basically it is aimed at switching on a more convenient power supply to the load. Since it switches on power to the load precaution has to be taken while choosing the type of change over switch. Also size, arcing control are put into consideration in the choice. A good switch should be the one whose contact […]
36 Pages
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4,110 Words
As technological advancement has been on the increase in our society many have fallen in love with technology and world want to have a feel in virtually to every thing they do. A design has been made in combination of electrical and electronics to change over from one power sources to the other automatically and trip off generation after 40 seconds with out going through the point for manual operation. This project writing were organiz […]
50 Pages
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6,521 Words
The main aim of any electric power supply in the world is to provide uninterrupted power supply at all times to all its consumers. Although in developing countries, the electric power generated to meet the demands of the growing consumers of electricity is insufficient hence instability and outage. Power instability or outage in general does not promote development in the public and private sector. The inventors do not feel secure to c […]
This product is another beautiful addition to the thriving DEC/ATSxxx automatic changeover series from Decrownies electronics. This model is equipped with the auto start function which automatically starts the generator when there is main power failure (if it is enabled). It allows the user to start the generator from wherever it is installed by pressing a button on the device if auto start is disabled. It also has a timer which the u […]
This work is on change over selector switch for automatic toggling OFF of a solar inverter when AC mains is present and vice versa and also the system must enable automatic switching of the battery charger such that when AC mains is present the inverter battery gets charged (during sunset) and when AC mains fails, the battery gets connected with the solar inverter for supplying AC to the load. The configuration should be such that ever […]