Abstract
Integrating large amounts of wind power into power systems brings a large influence on the dynamic frequency response characteristic (DFRC). The traditional low-order system frequency response (SFR) model is no longer applicable at the current time. Based on the small signal analysis theory, a set of novel low-order SFR models for doubly-fed induction generator (DFIG) distributed wind power generation systems (DWPGS) are derived under low, medium, and high wind speed conditions, respectively. Time-domain simulations have been conducted on PSCAD/EMTDC, and the novel SFR model is tested and evaluated on a real system. The simulation results from the novel model agree with those from the detailed model. The novel SFR model can also directly show the impact of the initial wind speed and auxiliary frequency controller (AFC) parameters on DFRC, but not on the detailed model.
Highlights
In the years 2014 and 2015, the Chinese Government Work Reports repeatedly addressed that sustainable energy production and an energy consumption revolution are beneficial to the improvement of people’s lives
This paper mainly focuses on the doubly-fed induction generator (DFIG) distributed wind power generation systems (DWPGS)
Conditions, the authors proposed a complete set of novel system frequency response (SFR) models for DFIG DWPGS developed developed from the simplified small-signal analysis theory
Summary
In the years 2014 and 2015, the Chinese Government Work Reports repeatedly addressed that sustainable energy production and an energy consumption revolution are beneficial to the improvement of people’s lives. A large number of wind turbines integrated into traditional power system will change the system frequency dynamics. This is an urgent and important subject to study with respect to system frequency control strategies or system frequency response (SFR). The quantitative analysis method of the impact on primary and secondary frequency control from wind power is shown in [15]. Based on the small signal analysis theory and the traditional SFR model, a novel SFR model has been deduced, and, further, can be used to analyze the impact of the initial operation point and parameters of auxiliary frequency controller (AFC) on DFRC directly.
Sign-in/Register to view highlights & summary Sign-in/Register to access full text options 
Free) 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a call
