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MICROCONTROLLER BASED ELECTRONIC LOAD CONTROLLER FOR MICROHYDRO SYSTEM

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Presentation on theme: "MICROCONTROLLER BASED ELECTRONIC LOAD CONTROLLER FOR MICROHYDRO SYSTEM"— Presentation transcript:

1 MICROCONTROLLER BASED ELECTRONIC LOAD CONTROLLER FOR MICROHYDRO SYSTEM
PROJECT TEAM SAILESH DAHAL ANIL WAGLE AMIR RAJ GIRI BIKESH SHRESTHA SANDESH ACHARYA

2 abstract The proposal “Microcontroller based Electronics Load Controller for micro-hydro system” presents design of a microcontroller based electronic load controller (ELC) for synchronous generator intended for a stand- alone micro hydro power generation. An Electronic Load Controller (ELC) is an electronic unit which keeps the speed of synchronous generator constant at varying load conditions. The generator is driven in constant speed with constant power output. A dump load is connected across the generator terminals to dump the excess power generated. When the consumer load changes frequency of generated voltage also changes. The frequency is sensed and compared with the reference frequency and error so obtained is utilized to control power consumed by dump load so that generator always operates at its full rating, resulting in constant speed.

3 ELC Generated power = Consumed power + Dump Load

4 BLOCK DIAGRAM

5 PUSLE WIDTH DETERMINATION
DIVISON OF WORK MODULE ELC MIRCROCONTROLLER DC CHOPPING PW MODULATION LCD DISPLAY POWER SUPPLY FREQUENCY SENSING BRIDGE RECTIFICATION MOSFET DRIVING SLOPE OF SLIP OF GEN PUSLE WIDTH DETERMINATION SINE WAVE TO SQUARE

6 FREQUENCY MEASUREMENT

7 POWER SUPPLY AND SINE TO SQUARE CONVERSION

8 FREQUENCY vs. POWER ANALYSIS
Theoretical Analysis Practical Results

9 BRIDGE RECTIFICATION Matlab simulink model output
Rectified output Input from the generator Matlab simulink model output Result from experiment

10 WORK REMAINING MOSFET for switching the dump load
Filter circuit design Using a Current sensor for displaying the current level PCB design Fabrication. Interfacing GUI with Hardware Final testing and demonstration

11 CONCLUSION Need to Overcome the complications
Search for Possible advancement in project Focused on other objectives Matlab simulation Trends of commercialization in ELC

12 REFERENCES [1] Sen, P.C. (1998). Principles of Electric Machines and Power Electronics (2nd Ed.). John Wiley and Sons, New York [2] Bimbhra, P. S. (2007). Electrical Machinery (7th Ed.). Khanna Publishers, India. [3] Viewed on 2013/10/13 [4] Viewed on 2013/11/29. [5] DYNAMIC SIMULATION, ANALYSIS AND CONTROL OF SELF-EXCITED INDUCTION GENERATOR USING STATE SPACE APPROACH by Anjali Garg, K.S. Sandhu, L.M. Saini. Available at [6] Pankaj kapoor, Lobzang Phunchok, Sunandan Kumar, Asst. Prof. Om Prakash R Journal of Engineering Research and Applications (IJERA) ISSN: 22; Vol. 2, Issue 4, June-July 2012, pp [7] Review On Electronic Load Controller by Vimal Singh Bisht,Y.R Sood, Nikhil Kushwaha and Suryakant International Journal of Scientific Engineering and Technology (ISSN : ) Volume No.1, Issue No.2 pg: [8] Thesis on "THE DESIGN OF A 5 kW MICROHYDRO GENERATING SET" by SIMON SANGHARETH HENG, Department of Mechanical Engineering, University of Canterbury February 1992

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