Enhanced stability and failure avoidance of hydropower plant in contingent island operation by model predictive frequency control

Nagode, Klemen (avtor), Škrjanc, Igor (avtor), Murovec, Boštjan (avtor)

The challenges of contingent island operation of hydropower plants are addressed by proposing an enhanced frequency control with advanced control algorithms. The study is based on a real power plant and considers the relevant power system in its entirety along with the load and transmission lines. Integrated transfer functions between the guide vane opening of a hydro turbine and the frequency of the associated generator were determined by in-situ identification. A model predictive controller, a fractional order PID controller, and a PID controller utilizing integral absolute error and integral time absolute error criteria were designed and developed. The performance of the proposed algorithms with the identified plant model was tested on a NI-cRIO 9049 FPGA platform. Improved frequency control in terms of setpoint change was achieved with the MPC and FOPID controllers. The MPC controller also features betters disturbance rejection compared to conventional PID controllers, which are tuned according to integral error criteria. The considered algorithms have been simulated in different operating scenarios, such as variations of active power load and transmission length. The proposed approach enhances stability and consequently avoids operational failures of hydropower plants in contingent islanding mode.

• Jezik: Angleški jezik
• Ključne besede: model predictive control, hydropower plants, enhanced stability, island operation
• Vrsta gradiva: Članek v reviji
• Tipologija: 1.01 - Izvirni znanstveni članek
• Organizacija: FE - Fakulteta za elektrotehniko
• Status publikacije: Objavljeno
• Različica publikacije: Objavljena publikacija
• Leto izida: 2022
• Št. strani: Str. 9308-9330
• Številčenje: Vol. 8
• PID: 20.500.12556/RUL-138621
• UDK: 621.311.2:681.5
• ISSN pri članku: 2352-4847
• DOI: 10.1016/j.egyr.2022.07.040
• COBISS.SI-ID: 116746755
• Datum objave v RUL: 03.08.2022

Gradivo je del revije

• Naslov: Energy reports
• Založnik: Elsevier
• ISSN: 2352-4847
• COBISS.SI-ID: 526119705

Licence

• Licenca: CC BY 4.0, Creative Commons Priznanje avtorstva 4.0 Mednarodna
• Povezava: http://creativecommons.org/licenses/by/4.0/deed.sl
• Opis: To je standardna licenca Creative Commons, ki daje uporabnikom največ možnosti za nadaljnjo uporabo dela, pri čemer morajo navesti avtorja.
• Začetek licenciranja: 03.08.2022

Sekundarni jezik

• Jezik: Slovenski jezik
• Ključne besede: prediktivno vodenje, hidroelektrarne, razširjena stabilnost, otočno delovanje

Projekti

• Financer: ARRS - Agencija za raziskovalno dejavnost Republike Slovenije
• Številka projekta: P2-0095-2020
• Naslov: Vzporedni in porazdeljeni sistemi

• Financer: ARRS - Agencija za raziskovalno dejavnost Republike Slovenije
• Številka projekta: P2-0219-2019
• Naslov: Modeliranje, simulacija in vodenje procesov