Wind energy integration in power systems
Summary :
Table of Contents
- Introduction
- Grid integration issue of DG
- Voltage variation
- Power quality
- Protection system
- Short circuit power
- Reliability
- Power flow
- Inertia
- Grid integration issues of wind power integration
- Standard squirrel cage induction generator
- Wound-rotor induction generator
- Doubly fed induction generator
- Synchronous or induction generator with full-size power converter
- Impact of wind farms on power system operation
- Frequency regulation
- Voltage regulation
- Load following
- System stability
- Operating reserve
- Wind power impact on power system operating cost
- Conclusion
- References
Abstract
Grid connection of wind energy sources is essential if they are to be effectively exploited, but grid connection brings number of problems. In the paper, Distributed Generation and wind power integration problems are discussed. Many early wind turbines utilized a squirrel-cage or wound-rotor induction generator to produce electricity. However, they absorbed large amounts of reactive power and sometimes caused severe voltage stability problems on the grid. This paper includes introduction of different wind turbine technologies and its effect on power system, at last we summarized with wind power impact on power system operating cost.
Keywords: wind energy, power system, induction generator, integration issues
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