Multiple winding of the sensing fiber on the tubing significantly improved the sensor sensitivity and allowed the detection of L- and F-mode cylindrical waves.
Standard North American Industrial Industrial Classification Classification Description Code Code Surge Arresters 3643 335931 Current and 3612 335311 Voltage Transformers Disconnect 3613 335313 Switches Sutotransformers 3612 335311 Power Transformers 3612 335311 (multiple winding type) Insulator Assemblies 3264/3644 327113/335932 for transmission lines (porcelain and polymer type) Stacking Post Insulators 3264 3327113 ABOUT THE AUTHOR