project on solar grid connected systems

1. Analysis of Fault ride through capability for
grid connected solar PV system to grid faults
By
B.YASHWANTH KUMAR REDDY
(1005-16-743107)
Department of Electrical & Electronics Engineering
UNIVERSITY COLLEGE OF ENGINEERING
OSMANIA UNIVERSITY

2. 1.Introduction
2.Solar energy
3.Existing system
4.Limitations
5.Proposed system
6.Advantages
7.Simulation results
8.Conclusion

3. Different Forms of renewable sources

4. What is solar energy?

5. Solar photovoltaic

6. Existing system
Single stage PV inverter based grid

7. ANY FAULT IN THE SYSTEM:
RESULTS IN SHORT CIRCUIT IN THE SYSTEM
HIGH PENETRATION OF PV SYSTEMS RESULT IN HIGHER
FAULT CURRENT TO SYSTEMS WITHOUT PV
THIS IS BECAUSE DURING A FAULT PV SYSTEMS CONTINUE
TO INJECT CURRENT INTO THE FEEDER UNTIL ISLANDING
CONDITION IS DETECTED AND BREAKERS ARE OPEN

8. LIMITATIONS:
>DC LINK CAPACITOR
THAT’S WHY…
TWO STAGE SYSTEM

9. TWO STAGE SYSTEM

10. PROPOSED SYSTEM:
TWO STAGE PV INVERTER BASED GRIG SYTEM

11. SINGLE STAGE SYSTEM OUTPUT

12. DOUBLE STAGE SYSTEM OUTPUT

13. CONCLUSION
TWO STAGE IS BETTER THAN SINGLE
STAGE

14. THANK YOU