scholarly journals Comparative Study of Different Grid Connected Wind Energy Conversion System Configurations

Author(s):  
Virendra Kumar Maurya ◽  

As per the present scenario of the world energy crisis, Renewable energy conversion systems (wind energy) have become the most prominent alternative in the field of renewable energy, especially at offshore locations due to the availability of wind in huge amounts round the clock. This paper summarizes the comparative study of most commonly used generators and power converters configurations at off-shore/on-shore wind farms. A comparison study has been done on the basis of their fixed/variable speed operation, MPPT ability, FRT ability, power converter utilization, power factor, reactive power compensation, with and without gearbox, and other technical parameters.

Among all the renewable energy conversion systems wind energy conversion systems becoming most promising area especially at offshore locations due to availability of huge amount of wind power round the clock. This paper summarizes a review and recent advances happening in some most commonly used generators and power converters configurations at offshore/onshore wind farm.A comparison among all the different configurations has been done on the basis of fixed/variable speed operation, MPPT ability, FRT ability, power converter utilization, reactive power compensation, with and without gear-box and current market status.


Author(s):  
Dr. R. C. Bansal ◽  
Dr. Ahmed F Zobaa ◽  
Dr. R. K. Saket

Design and successful operation of wind energy conversion systems (WECs) is a very complex task and requires the skills of many interdisciplinary skills, e.g., civil, mechanical, electrical and electronics, geography, aerospace, environmental etc. Performance of WECs depends upon subsystems like wind turbine (aerodynamic), gears (mechanical), generator (electrical); whereas the availability of wind resources are governed by the climatic conditions of the region concerned for which wind survey is extremely important to exploit wind energy. This paper presents a number of issues related to the power generation from WECs e.g. factors affecting wind power, their classification, choice of generators, main design considerations in wind turbine design, problems related with grid connections, wind-diesel autonomous hybrid power systems, reactive power control of wind system, environmental aspects of power generation, economics of wind power generation, and latest trend of wind power generation from off shore sites.


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