Instumentation • Computing • Control
designed to hold over 400 million m3
of gas, and will
be controlled by ABB System 800xA along with ABB instrumentation. Te Stublach facility is being built for Storengy (a GDF Suez company) in Cheshire and will store gas in salt caverns deep underground.
On-site drying plant Te processing plant consists of gas compressors which move the gas between the caverns and the UK’s national grid transmission system (NTS). Additionally, an on-site drying plant removes water from the gas before it is returned to the NTS. Te site is expected to be in operation in excess of 25 years. Acting as the main instrumentation and automation contractor (MIAC), ABB will provide engineering design services for the automation and safety instrumented system (SIS), along with the supply of an 800xA integrated process control system and third-party instrumentation to Jacobs Engineering which is responsible for engineering, procurement and construction of the plant. Te ABB system will control the import of gas into the caverns for storage and export of gas into the national grid; this includes the complex control required to handle these transfers in both free flow and compression modes.
Plant safety is critical and the TUV-certified AC 800M HI controllers along with the field devices are used as the SIS to control the processing plant, associated pipelines and the well heads, which are situated up to 2km from the processing plant. Tis will be engineered by the ABB TUV-certified engineers based in the UK. Availability and efficiency of the plant are crucial;
the System 800xA controllers will be in a redundant configuration to ensure these key factors. Te 800xA system also interfaces to fire and gas monitors around the plant and third-party packages such as the compressor unit controls. Tis provides integrated visibility for the operators of the process with plant assets, along with improved safety. A significant factor in the selection of ABB for this project was the company’s portfolio of automation, safety and instrumentation products along with the global success of the System 800xA, its MAIC capabilities in the UK and the fact that ABB is just completing a similar installation for gas storage in Cheshire, UK. Te System 800xA control system along with ABB instrumentation provides inherent asset monitoring facilities to assist operators manage and maintain the plant to increase productivity and reduce energy usage. ●
Circle 63 or ✔ at
www.engineerlive.com/iog
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