Efficient NMPC strategies for thermal stress control of steam turbines

被引：0

作者：

Garrucciu, Vittoria ^{[1
]}

di Capaci, Riccardo Bacci ^{[1
]}

Vaccari, Marco ^{[1
]}

Manara, Silvia ^{[2
]}

Bucciarelli, Federico ^{[2
]}

Signorini, Annamaria ^{[2
]}

Pannocchia, Gabriele ^{[1
]}

机构：

[1] Univ Pisa, Dept Civil & Ind Engn, Pisa, Italy

[2] Baker Hughes, Florence, Italy

来源：

IFAC PAPERSONLINE | 2024年 / 58卷 / 18期

关键词：

Nonlinear model predictive control; Advanced control; Collocation methods; Optimal control; Rotor stress control;

D O I：

10.1016/j.ifacol.2024.09.005

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

This paper proposes an advanced control strategy for steam turbines characterized by frequent load variations based on a nonlinear model predictive control (NMPC) algorithm. In this specific scenario, turbines are subject to frequent variations in operating conditions and repeated start-ups that cause significant thermal stress. The main purpose of the developed NMPCs is to effectively regulate the generated electric power while limiting the rotor thermal stress. Collocation methods are adopted to improve the computation time required to solve the optimal control problem and then compared with a standard multiple-shooting approach. The proposed formulation includes time-varying constraints and nonlinear disturbances that vary within the prediction horizon of the dynamic module of the controller. Copyright (C) 2024 The Authors.

引用

页码：29 / 34

页数：6

共 50 条

[21] Geometric modularity in the thermal modeling of solar steam turbines
Topel, M.
Spelling, J.
Jocker, M.
Laumert, B.
PROCEEDINGS OF THE SOLARPACES 2013 INTERNATIONAL CONFERENCE, 2014, 49 : 1737 - 1746
[22] Thermal expansion normalization for large steam turbines in service
Avrutsky, GD
Savenkova, IA
Don, EA
Lyudomirsky, BN
Berezin, MG
PROCEEDINGS OF THE AMERICAN POWER CONFERENCE, VOL 61 - I AND II, 1999, 61 : 806 - 809
[23] Thermal problems in the mechanical design of steam turbines.
Smith, RB
JOURNAL OF THE FRANKLIN INSTITUTE, 1935, 220 : 573 - 613
[24] The influence of the additional steam flows on thermal loads in components of supercritical steam turbines
Kosman, W.
PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART A-JOURNAL OF POWER AND ENERGY, 2011, 225 (A5) : 674 - 685
[25] ACCURACY OF CONTROL OF SPEED OF STEAM-TURBINES WITH TRAVERSE STEAM DISTRIBUTION
BLAGOVESHCHENSKII, VV
BRUSNITSYN, NA
LUKASHENKO, YI
THERMAL ENGINEERING, 1975, 22 (06) : 47 - 50
[26] Comparison between the NMPC and EOR control of wind turbines using LIDAR wind measurements
Mahdizadeh, Amin
Tofighi, Elham
Schmid, Robert
SCIENCE OF MAKING TORQUE FROM WIND (TORQUE 2018), 2018, 1037
[27] Modulation Strategies for Thermal Stress Control of CHB Inverters
Ko, Youngjong
Kuprat, Johannes
Pugliese, Sante
Liserre, Marco
IEEE TRANSACTIONS ON POWER ELECTRONICS, 2022, 37 (03) : 3515 - 3527
[28] Thermochemical recuperation by steam methane reforming as an efficient alternative to steam injection in the gas turbines
Pashchenko, Dmitry
Mustafin, Ravil
Karpilov, Igor
ENERGY, 2022, 258
[29] High efficient steam turbines for advanced nuclear power plants
Wichtmann, A
Ulm, W
Feldmüller, A
Proceedings of the World Engineers' Convention 2004, Vol F-B, Power and Energy, 2004, : 553 - 557
[30] Efficient steam turbines produced by the "Ural Turbine Plant" company
Barinberg G.D.
Valamin A.E.
Power Technology and Engineering, 2005, 39 (1) : 33 - 37

← 1 2 3 4 5 →