Operation & Maintenance of Power Plants
M
High definition simulators impact operational excellence
ore conventional fuelled power plants are installing simulators to help meet operational excellence
targets. The benefit to retention rate when ‘learning by doing’ is well documented. Using an operator training simulator to improve knowledge and develop skills is ‘practicing for perfection’. However, the use of dynamic, high fidelity simulation prior to actual plant commissioning is often paying for the simulator investment before training has even begun. Many plant teams say implementation of major changes to a plant or a new unit’s commissioning process be smoother and shortened with the use of a simulator. There are four areas of impact:
l Verification of major changes or new plant designs ... is more definitive and made with greater confidence when using dynamic simulation.
l Testing of today’s complex control strategies and extensive amounts of automation logic far exceeds the capacity of typical DCS vendor Factory Acceptance Tests … using a real-time, dynamic
simulator forces tighter pre-tuning of loops and a more fully tested control system running in automatic … the result is a superior commissioning process during unit start-ups, shutdowns.
l Eventually the realisation hits that someone must develop and validate procedures for safe, effective operation … what better way to integrate procedures from various equipment vendors into a cohesive document for operational consistency?
l Actual training of plant operators on the simulator before plant start-up, sometimes three to six months in advance, reinforces classroom knowledge- based training and sharpens skills … thus competency and confidence operational goals are met.
Trends in clean coal, Fig. 1. High definition simulation supports training and engineering.
gasification, carbon sequestration, combined cycle, and desalination facilities point to a increased use of high definition simulations such as that derived from GSE Systems’ JADE software. The use of real-time, dynamic simulators for renewable energy projects is also anticipated. l
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