Analysis of Technical Possibilities of Photovoltaic and Wind Sources Playing in an Ancillary Service of Frequency and Power Regulation

Szablicki, M.; Rzepka, P.

doi:10.12736/issn.2300-3022.2016409

Cited by 4 publications

(1 citation statement)

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“…The growth in the power of renewable energy sources (RESs) installed in EPSs increases the possibilities of power balancing, but at the same time, it extends the area of power generation that can be regarded as excluded from the central control due to unstable power generation and the low inertia of the system. Maintaining the tendency of the growing share of RESs in an overall power and energy balance will make it necessary for system operators to change the method of controlling the operation of the whole power system and to include these sources in the provision of system regulation services [1].…”

Section: Introductionmentioning

confidence: 99%

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

2021

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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.

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Section: Introductionmentioning

confidence: 99%