- Location: Hunter Valley, New South Wales, Australia
- Output/fuel: 2000 MW (4 x 500 MW), coal fired
- Owners: Macquarie Generation, Australia
- Overview: Liddell Power Station is a major thermal power plant in NSW owned by Macquarie Generation, Australia's largest electricity producer. It generates 2,000 MW, meeting more than 15% of the state's electricity demand. Because of its safety performance, productivity and high reliability, the National Safety Council of Australia has rated Liddell at maximum 5-Star Safety.
Project
Liddell Power Station Revamped Successfully
Macquarie Generation
- Operation date: 2002-2005
- Project type: Instrumentation & control system replacement
- Plant configuration:
Boilers: CESO, Canada (CE design)
Steam turbines: English Electric, UK
- Overview: At the age of approximately 30 years the plant underwent $A 72 million technology upgrade in 2001, to improve operating reliability and performance. Macquarie Generation, Yokogawa Australia and Ralph M Lee concluded an alliance agreement to supply and install the replacement control system at Liddell.
(Customer challenges & Yokogawa's solution)
- Control platform stability:
The retrofitted unit at Liddell has been running since 2002. The operators have noticed that the control philosophy gives much greater robustness than expected. This robustness is manifested in the ability to maintain loops in automatic control throughout process changes or plant problems.
- Improvement of process control without expensive structural or design changes:
To guarantee the customer a cost-effective solution, Yokogawa's efforts were focused on optimizing the use of existing system equipment. For example, new termination boards were added to existing cabinets and wired to existing field cabling to minimize disturbance. Also, operator interface was smoothly migrated to the new screen-based one with a minimum of hard wired interface remaining.
- Alliance gives flexibility:
Liddell is a supplier to the the electricity market used in Eastern Australia. This requires the owner to change priorities dependent upon market situation. The alliance structure for this project provides the owner the necessary flexibility in implementation methods and timing.
- Smart operation by reducing operator stress:
Intelligent alarming reduces alarm traffic by bringing only significant alarms to the operator's notice, reducing operator stress.
System
Control Room
Liddell- Control scope:
Coordinated boiler and turbine controls
Improved sequence controls
Link to burner management system
Link to water, fuel, ash, waste systems
- System equipment:
CENTUM CS 3000
Exaquantum plant performance monitoring package
Industries
-
Energie
Dans les années 1970, Yokogawa est entré dans le secteur de l'énergie avec le lancement du système de contrôle électrique EBS. Depuis lors, Yokogawa a poursuivi avec constance le développement de ses technologies et de ses capacités afin de fournir les meilleurs services et solutions à ses clients dans le monde entier.
Yokogawa a exploité le réseau mondial de solutions énergétiques pour jouer un rôle plus actif sur le marché mondial dynamique de l'énergie. Cela a permis un travail d'équipe plus étroit au sein de Yokogawa, en rassemblant nos ressources mondiales et notre savoir-faire industriel. Les experts de Yokogawa dans le domaine de l'énergie travaillent ensemble pour apporter à chaque client la solution qui répond le mieux à ses besoins spécifiques.
-
Thermique
L'énergie thermique utilisant le charbon, le pétrole ou le gaz comme combustible représente la majorité de la production d'électricité dans le monde.