Invensys implements operator training simulators for TOC Glycol plant in Thailand

Invensys Process Systems announced it has recently implemented SimSci-Esscor operator training simulators (OTS) being used at a new EO/EG (ethylene oxide/ethylene glycol) plant for TOC Glycol Company (TOCGC), a subsidiary of PTT Chemical Ltd. The new plant, located at the Map Ta Phut Industrial Estate in Rayong province, will supply feedstock products to various processing customers in and around Map Ta Phut, Thailand’s key petrochemical industrial cluster.

The OTS implementation includes the DYNSIM process simulation solution, for high fidelity plant modeling in dynamic and steady states. These models are being used to train control room and equipment operators and supervisors on the characteristics and interactions of plant’s systems and procedures. The simulation network also includes the TRISIM solution

for replicating the control logic for the new plant’s Triconex emergency shutdown (ESD) systems. In addition, Invensys provided a control system human machine interface (HMI) emulation and checkout for a Yokogawa DCS at the plant. A fully integrated steady state simulation model covering the entire EO/EG process was developed using the PRO/II simulation platform.

The OTS system has been used to train the operators of TOCGC on the plant start-up and shut-down, as well as various standard and customer-specified malfunctions. This activity commenced at the end of April 2006 to prepare the operators for the actual start-up in June 2006. The PRO/II model will be used by the planner and process engineers for the production planning and engineering studies.

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