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Download Automatic Active Phase Selector for Single Phase Load from Three
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WYCP23 www.WineYardProjects.com Automatic Active Phase Selector for Single Phase Load from Three Phase Supply using psoc mixed signal array. ABSTRACT: Phase absence is a very common and severe problem in any industry, home or office. Many times one or two phases may not be live in three phase supply. Because of this, many times, some electrical appliances will be on in one room and OFF in another room. This creates a big disturbance to our routine work. This project is designed to check the availability of any live phase, and the load will be connected to the particular live phase only. Even a single phase is available, and then also, the load will be in ON condition. This project is designed with PSOC MIXED SIGNAL ARRAY. This controller continuously checks for live condition of all phases connected to it, and the controller connects the load to the active phase using a Relay. This relay is driven with a transistor. If two or three phases are live, the load will be connected to phase I only. An LCD is provided to display the status of the phase condition. Contrast control preset is given for LCD contrast control. This project uses regulated 5V, 500mA power supply. 7805 three terminal voltage regulator is used for voltage regulation. Bridge type full wave rectifier is used to rectify the ac out put of secondary of 230/12V step down transformer Wine Yard Technologies,#8-3-903/8, G1 &G2, Tarakarama Estates, Lane Opp. RS Brothers, Ameerpet, Hyderabad-500073. Ph: 040- 6464 6363, 6625 6695 email: [email protected] WYCP23 www.WineYardProjects.com BLOCK DIAGRAM: Contrast: Control PSOC 16 X 2 LCD R Step down T/F Filter & Regulato r Y Step down T/F Filter & Regulato r Step down T/F Filter & Regulato r B Transistor Driver PSOC MIXED SIGNAL ARRAY AC input Relay LOAD Crystal Reset Step down T/F Bridge Rectifier Filter Circuit Regulator Power supply to all sections Wine Yard Technologies,#8-3-903/8, G1 &G2, Tarakarama Estates, Lane Opp. RS Brothers, Ameerpet, Hyderabad-500073. Ph: 040- 6464 6363, 6625 6695 email: [email protected] www.WineYardProjects.com WYCP23 Advantages: Highly sensitive Works according to the phase availability Fit and Forget system Low cost and reliable circuit Complete elimination of manpower Can handle heavy loads up to 7A Applications: Hostels and Hotels Balcony / stair case / parking Lightings Street lights Garden Lights Offices Industries Wine Yard Technologies,#8-3-903/8, G1 &G2, Tarakarama Estates, Lane Opp. RS Brothers, Ameerpet, Hyderabad-500073. Ph: 040- 6464 6363, 6625 6695 email: [email protected]
