Reliability Assessment of AC and DC Transmission System Including Wind Power Generators

The supply of renewable energy is expanding around the world, and Korea plans to expand the amount of wind power plants among renewable energy. As wind power complexes are added, the reliability of the system is important. The failure rate of the entire system may vary depending on the failure rate of the component. In this paper, the serial and parallel structures of HVAC and VSC-HVDC were composed and the failure rate for each component was calculated. Then, the failure rate of wind power generators was calculated through the failure rate data for each component of the wind power generator failure rate was calculated. The system failure rate from generators to power-linked point including wind power generators was assessed and the power transmission system failure rate was compared depending on the number of wind power generators. © The Korean Institute of Electrical Engineers This is an Open-Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.