Battery energy storage for enabling integration of distributed solar power generation

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Battery energy storage for enabling integration of distributed solar power generation

  1. 1. BATTERY ENERGY STORAGE FOR ENABLING INTEGRATION OF DISTRIBUTED SOLAR POWER GENERATION Abstract: The integration of significant amounts of photovoltaic (PV) solar power generation to the electric grid poses a unique set of challenges to utilities and system operators. Power from gridconnected solar PV units is generated in quantities from a few kilowatts to several MW, and is then pushed out to power grids at the distribution level, where the systems were often designed for 1-way power flow from the substation to the customer. In climates with plentiful sunshine, the widespread adoption of solar PV means distributed generation on a scale. In this paper, the solar power is efficiently used to run a load. Existing system: In the existing system the load is made to run by directly applying the solar power. The disadvantage here is that the solar output varies constantly which may lead to the damage of loads. Proposed system: In the proposed system, a boost converter is used with the solar panel to enhance the DC output of the panel. The boosted output is monitored and if it is sufficient to run the load it is directly applied to the load. If not the power is used to charge the battery and power from the battery is used to run the load. Since battery is used the power supplied is regulated. This prevents damaging of loads.
  2. 2. Block Diagram: Power Supply PIC LCD Boost Converter Solar Panel DPDT Switch DC Motor 16F877A Micro Controller Battery Hardware requirements:  PIC16F877A Microcontroller with Power Supply  6V Solar Panel  Boost Converter  LCD  DPDT switch  9V Battery  DC Motor Software requirements  Embedded c  MPLab Compiler or CCS Compiler Advantages  Damage due to higher current rating is prevented.

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