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LATEST ELECTRICAL PROJECTS ABSTRACT-POWER SHARING OF TRANSFORMER WITH OVERLOAD PROTECTION

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LATEST ELECTRICAL PROJECTS ABSTRACT-POWER SHARING OF TRANSFORMER WITH OVERLOAD PROTECTION

  1. 1. 1 Power Sharing of Transformers with overload protection Tripping and WAP This project is concerned with the design and fabrication of a hardware thatwill monitor the performance of the load sharing process by taking powerconsumed by the load into consideration. This power is displayed on the monitorwith the aid of suitable software.The operation of transformers in parallel becomes necessary because: If the amount to be transformed is greater than which can be handled by one transformer, it becomes necessary to employ two or more units in parallel. To meet the additional demand or a power system it becomes necessary to replace the existing unit by unit of greater capacity or to install the additional unit to carry a portion of the load. The cost of making such changes will in many cases be greater than if the original transformer is connected in parallel with another to carry a portion of the load. Hence in this project “Power Sharing of Transformers” paralleling of transformers become necessary.
  2. 2. 2In case of deviations from the normal values, suitable control actions can beimplemented to ensure reliable operation of relays. So the transformers areconnected in parallel to share the load.It also has a Thermistor to monitor the temperature of the transformer, and aFlame Sensor to detect the Flame, and an Intruder Sensor to detect intruder andthe transformer will be tripped if any of the above is sensed.Also we have Recycling Time, which will monitor the load, and disconnects theunwanted transformer from sharing.Output Screen
  3. 3. 3 Block Diagram Contactor Isolation 1 PT & CT Dual Power Transformer 1 Module Supply 0.60KWATT Hand ProtectorPower Contactor FWPR S Isolation 2 u Transformer 2 Temp 0.60KWATT Sensor 1 Temp Isolation Contactor PIC Embedded Sensor 2 Transformer 3 3 Micro 0.60KWATT controller Temp Pic16F877 Sensor 3 Flame Single Power Sensor Supply RS232
  4. 4. 3 Block Diagram Contactor Isolation 1 PT & CT Dual Power Transformer 1 Module Supply 0.60KWATT Hand ProtectorPower Contactor FWPR S Isolation 2 u Transformer 2 Temp 0.60KWATT Sensor 1 Temp Isolation Contactor PIC Embedded Sensor 2 Transformer 3 3 Micro 0.60KWATT controller Temp Pic16F877 Sensor 3 Flame Single Power Sensor Supply RS232
  5. 5. 3 Block Diagram Contactor Isolation 1 PT & CT Dual Power Transformer 1 Module Supply 0.60KWATT Hand ProtectorPower Contactor FWPR S Isolation 2 u Transformer 2 Temp 0.60KWATT Sensor 1 Temp Isolation Contactor PIC Embedded Sensor 2 Transformer 3 3 Micro 0.60KWATT controller Temp Pic16F877 Sensor 3 Flame Single Power Sensor Supply RS232
  6. 6. 3 Block Diagram Contactor Isolation 1 PT & CT Dual Power Transformer 1 Module Supply 0.60KWATT Hand ProtectorPower Contactor FWPR S Isolation 2 u Transformer 2 Temp 0.60KWATT Sensor 1 Temp Isolation Contactor PIC Embedded Sensor 2 Transformer 3 3 Micro 0.60KWATT controller Temp Pic16F877 Sensor 3 Flame Single Power Sensor Supply RS232

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