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Barking CCGT uses Emerson wielessHART® to monitor steam traps and valves

Sophisticated WirelessHART® acoustic “listening” technology combined with an integrated temperature measurement was deployed across the plant to monitor steam traps, PRV's and vent valves. This innovative combination of technologies offered a reliable and cost effective solution for identifying the problems that lead to unscheduled downtime, poor turbine efficiency and energy loss. A total of 100 Rosemount TM 708 Wireless Acoustic Transmitters were non-intrusively installed on critical vent valves, steam traps and PRV's. Barking had previous experience with a WirelessHART network in the plant. Despite the vast distance covered by the network and the tough environment introduced by the power plant, the wireless network proved to be very reliable. This gave Barking confidence to use Emerson's Smart Wireless technology for this new application.

Revision Date:  1/11/2017

Tags:  Emerson Automation Solutions, Remote Monitoring

Modernizing Old Plants to Meet New Demands

Much of the maintenance inspection in power plants is manual. Energy is wasted by steam loss and inefficiencies. Not all air and water emissions are checked. Imagine instead a power plant full of sensors that continuously monitor the condition of pumps and fans, detecting failure of steam traps or leaking relief valves, and where all emissions are monitored. Instead of operators collecting the data, the data comes to the operators. Much of the maintenance inspection in power plants is manual. Energy is wasted by steam loss and inefficiencies. Not all air and water emissions are checked. Imagine instead a power plant full of sensors that continuously monitor the condition of pumps and fans, detecting failure of steam traps or leaking relief valves, and where all emissions are monitored. Instead of operators collecting the data, the data comes to the operators. Power plants are being modernized with a pervasive sensing infrastructure for a second layer of automation. This is a new strategy for maintenance, energy efficiency, risk reduction and optimization using sensors which require no wires and are mostly non-intrusive and therefore can easily be deployed. Specialized diagnostic software in a separate system distills the raw sensor data into actionable information, such as which equipment needs service and which does not. Wireless sensor networks and analytic software are new technology trends enabling new levels of availability, energy efficiency, environmental compliance and productivity. Pervasive sensing infrastructure is the basis for the Internet of Things, which will take sensing even further in the future.

Revision Date:  1/11/2017

Tags:  Emerson Automation Solutions, Automation, Monitoring, Power Engineering