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					                      ACKNOWLEDGEMENT




I extend my sincere thanks to Dr.P.M.S. Nambisan, Head of the Department,

for providing us with valuable guidance and advice through out the course of

the seminar.

      I am really thankful to my guide, Mr. Vinod Pottakulath, lecturer,

Department of Electrical and Electronics, for his help to complete this

seminar successfully .I am also indebted to Mr. Gylson Thomas, lecturer,

Department of Electrical and Electronics, for his assistance.

      I also extend my thanks to all other faculty members of Electrical and

Electronics Department for their co-operation and encouragement.

      Above all I thank the almighty without whose blessings this seminar

would not have been materialized.




                                       I
                               ABSTRACT


With increase in power demand and unavailability of fossil fuels more

power has to come from sustainable energy system. This seminar discusses

the present and future situation of sustainable form of energy system and the

role of HVDC in efficient power transmission.

              Sustainable form of energy closer to consumption are already

utilized, thus we have to set up remote generating stations far away from the

consumption. In the above case we require an efficient means of power

transmission, where HVDC transmission could be highly efficient and

economical.




                                      II
               Contents



 Introduction

 Sustainable energy systems

 HVDC transmission

    1. Basic elements

    2. Types of DC links

    3. Converter station

 Comparison of AC and DC transmission

    1. Economics of transmission

    2. Technical performance

    3. Reliability

 Applications of DC transmission

 Advantages of DC transmission

 Disadvantages of DC transmission

 Recent developments in HVDC system

 Conclusion

 References

                 III

				
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posted:2/3/2011
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