A Simulation Model for Providing Analysis of Wind Farms Frequency and Voltage Regulation Services in an Electrical Power System

Hubert Bialas, Ryszard Pawelek and Irena Wasiak
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Hubert Bialas: Institute of Electrical Power Engineering, Lodz University of Technology, 18/22 Stefanowskiego Street, 90-924 Lodz, Poland
Ryszard Pawelek: Institute of Electrical Power Engineering, Lodz University of Technology, 18/22 Stefanowskiego Street, 90-924 Lodz, Poland
Irena Wasiak: Institute of Electrical Power Engineering, Lodz University of Technology, 18/22 Stefanowskiego Street, 90-924 Lodz, Poland

Energies, 2021, vol. 14, issue 8, 1-17

Abstract: The article presents an original simulation model of a wind farm (WF) consisting of 30 wind turbine-generator units connected to the electrical power system (EPS) through power converters. The model is dedicated to the evaluation of the WF capabilities to participate in frequency and voltage regulation services in the power system. A system that allows for frequency and voltage control is proposed and implemented in the presented model. The system includes primary frequency regulation with synthetic inertia and secondary regulation available on request from the system operator. The concept of a reference power generation unit was introduced, according to which only one wind generator unit was modeled in detail, and the other units were replaced with simple current sources. Such a solution allowed for the reduction of size and complexity of the model as well as shortened the simulation time. Simulation tests were conducted in the PSCAD/EMTDC environment for an electrical power system composed of the wind farm, a synchronous generator, and a dummy load. The performance of the wind farm control system was analyzed in different operation conditions, and the control capabilities of the farm were assessed. Selected simulation results are presented and discussed in the paper. They illustrate the regulatory properties of the WF and confirm the correctness of the developed model.

Keywords: wind farm control; frequency control; voltage control; modelling and simulation (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2021
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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