A novel design for pipeline leakage detection system in petroleum transfer lines using Bernecker and Rainer (B&R) Programmable Logic Control (PLC) - Human Machine Interface (HMI) is proposed which uses real-time information from the field to estimate the hydraulic behavior of the product being transported. This project comprises of pressure relays and provides a method for detecting and localizing leak of petroleum in pipeline network. PLC analyzes the data received from pressure relays to identify the presence of leak in the pipe network. Data from two or more pressure relays are compared by the PLC and if there is a non-tolerable variation then there is a chance of leak between the sensors compared. The more frequent the sensors are kept, the leakage can be localized and detected more efficiently. As the pipe networks are wide spread, the data from the sensors are transmitted using Wireless Sensor Network (WSN) and it is received in the main base station where the PLC is kept. HMI makes easy to monitor each and every sensors connected to the device. A protocol has been developed that can be used to evaluate the performance of leak detection systems. This paper presents the results of a pilot study and verification of concept of a novel methodology using PLC-HMI for pipeline leakage detection and assessment of petroleum distribution system.
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