Optical Temperature Sensors for Transformers
Author: E. W. Saaski
Publisher:
Published: 1986
Total Pages:
ISBN-13:
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Ruggedized Optical Temperature Sensor for Transformers
Author: Technology Dynamics, Inc
Publisher:
Published: 1986
Total Pages:
ISBN-13:
DOWNLOAD EBOOKOptical Sensing in Power Transformers
Author: Jun Jiang
Publisher: John Wiley & Sons
Published: 2020-12-02
Total Pages: 256
ISBN-13: 1119765307
DOWNLOAD EBOOKA cutting-edge, advanced level, exploration of optical sensing application in power transformers Optical Sensing in Power Transformers is filled with the critical information and knowledge on the optical techniques applied in power transformers, which are important and expensive components in the electric power system. Effective monitoring of systems has proven to decrease the transformer lifecycle cost and increase a high level of availability and reliability. It is commonly held that optical sensing techniques will play an increasingly significant role in online monitoring of power transformers. In this comprehensive text, the authors—noted experts on the topic—present a scholarly review of the various cutting-edge optical principles and methodologies adopted for online monitoring of power transformers. Grounded in the authors' extensive research, the book examines optical techniques and high-voltage equipment testing and provides the foundation for further application, prototype, and manufacturing. The book explores the principles, installation, operation, condition detection, monitoring, and fault diagnosis of power transformers. This important text: Provides a current exploration of optical sensing application in power transformers Examines the critical balance and pros and cons of cost and quality of various optical condition monitoring techniques Presents a wide selection of techniques with appropriate technical background Extends the vision of condition monitoring testing and analysis Treats condition monitoring testing and analysis tools together in a coherent framework Written for researchers, technical research and development personnel, manufacturers, and frontline engineers, Optical Sensing in Power Transformers offers an up-to-date review of the most recent developments of optical sensing application in power transformers.
Optical Temperature Monitoring of Electrical Power Transformer Networks
Author: Sanathanan Velaswamy Thangaraj
Publisher:
Published: 2012
Total Pages: 142
ISBN-13:
DOWNLOAD EBOOKThis thesis presents an optical sensor network model designed to monitor temperature of transformers at multiple substations from one central location. Fiber Bragg Grating (FBG) has been used as the optical sensing element for transformer temperature monitoring. Suitable FBG parameters and specifications have been investigated and modeled that fit best for this application. Optical sensor network is laid on top of the transmission line network. This reduced the cost of fiber installation. The wavelengths of backscattered light at different temperatures for the modeled Fiber Bragg Grating have been obtained. These values are used as a reference to find the actual temperature of the transformers from the central station. Different network topologies that can be implemented for such applications are presented and the most suitable one is assessed for link budget and cost analysis of the optical sensor network. The temperature sensing range is from 30°C to 90°C. The minimum temperature accuracy that can be achieved is about 0.010C. Time Division Multiplexing (TDM) is employed to identify individual transformers in the network at the central station. A Model to find an optimal node to place the optical sources is also presented. The temperature monitoring of standard IEEE transmission networks has been obtained.
Optical Sensing in Power Transformers
Author: Jun Jiang
Publisher: John Wiley & Sons
Published: 2020-12-07
Total Pages: 256
ISBN-13: 1119765293
DOWNLOAD EBOOKA cutting-edge, advanced level, exploration of optical sensing application in power transformers Optical Sensing in Power Transformers is filled with the critical information and knowledge on the optical techniques applied in power transformers, which are important and expensive components in the electric power system. Effective monitoring of systems has proven to decrease the transformer lifecycle cost and increase a high level of availability and reliability. It is commonly held that optical sensing techniques will play an increasingly significant role in online monitoring of power transformers. In this comprehensive text, the authors—noted experts on the topic—present a scholarly review of the various cutting-edge optical principles and methodologies adopted for online monitoring of power transformers. Grounded in the authors’ extensive research, the book examines optical techniques and high-voltage equipment testing and provides the foundation for further application, prototype, and manufacturing. The book explores the principles, installation, operation, condition detection, monitoring, and fault diagnosis of power transformers. This important text; Provides a current exploration of optical sensing application in power transformers Examines the critical balance and pros and cons of cost and quality of various optical condition monitoring techniques Presents a wide selection of techniques with appropriate technical background Extends the vision of condition monitoring testing and analysis Treats condition monitoring testing and analysis tools together in a coherent framework Written for researchers, technical research and development personnel, manufacturers, and frontline engineers, Optical Sensing in Power Transformers offers an up-to-date review of the most recent developments of optical sensing application in power transformers.
Application of Fibre Optic Temperature Sensors to Establishing Transformer Overload Capabilities
Author: Aubin, J. (Jacques)
Publisher: Montréal : Canadian Electrical Association
Published: 1995
Total Pages: 53
ISBN-13:
DOWNLOAD EBOOKSimple Power Transformer Fiber Bragg Grating Temperature Sensor
Author: Faezeh Mobasheri
Publisher:
Published: 2016
Total Pages: 78
ISBN-13:
DOWNLOAD EBOOKThis study has designed, developed, and tested a high temperature sensor based on Fiber Bragg grating. The new introduced interrogation system makes the sensor suitable for installation inside the power transformer. Unlike the existing fiber Bragg grating based temperature sensors, the interrogation system of the sensor is based on amplitude modulation (AM). The distinctive characteristics of the designed temperature sensor, in addition to inherent advantages of FBG is, its real-time monitoring, small size, and low cost. The sensor is tested in harsh environment at temperature starting from -27 ºC to 400 ºC. The long-term stability and reliability of the designed sensors of one sensor head is tested in furnace at 400 ºC for 338 hours. Furthermore, the sensor head was under test in 600 ºC for about 18 hours. The sensor head which is used in this experiment is fiber Bragg grating Corning SMF-28, Ge-doped optical fibers with 4% Ge content in its core. It was loaded with hydrogen prior to writing with 248 nm excimer laser. The Bragg wavelength of the two prepared sensors head for this work is around 1530 nm and 1550 nm. In this study, we used Amplified spontaneous emission (ASE) light source as an input light for the sensor head. ASE light source makes it possible to have linear input light in two different ranges with 4 nm span. The sensors head Bragg wavelength is designed in the range in which the ASE light source spectrum is linear. The sensor has the Photodiode (PD) to convert the Bragg reflected spectrum power into its equivalent current.
Transmission, Distribution, and Renewable Energy Generation Power Equipment
Author: Bella H. Chudnovsky
Publisher: CRC Press
Published: 2017-03-07
Total Pages: 639
ISBN-13: 1498754775
DOWNLOAD EBOOKThe revised edition presents, extends, and updates a thorough analysis of the factors that cause and accelerate the aging of conductive and insulating materials of which transmission and distribution electrical apparatus is made. New sections in the second edition summarize the issues of the aging, reliability, and safety of electrical apparatus, as well as supporting equipment in the field of generating renewable energy (solar, wind, tide, and wave power). When exposed to atmospheric corrosive gases and fluids, contaminants, high and low temperatures, vibrations, and other internal and external impacts, these systems deteriorate; eventually the ability of the apparatus to function properly is destroyed. In the modern world of "green energy", the equipment providing clean, electrical energy needs to be properly maintained in order to prevent premature failure. The book’s purpose is to help find the proper ways to slow down the aging of electrical apparatus, improve its performance, and extend the life of power generation, transmission, and distribution equipment.
Energy Research Abstracts
Author:
Publisher:
Published: 1986
Total Pages: 520
ISBN-13:
DOWNLOAD EBOOKThird European Workshop on Optical Fibre Sensors
Author: Antonello Cutolo
Publisher: SPIE-International Society for Optical Engineering
Published: 2007
Total Pages: 672
ISBN-13:
DOWNLOAD EBOOKProceedings of SPIE present the original research papers presented at SPIE conferences and other high-quality conferences in the broad-ranging fields of optics and photonics. These books provide prompt access to the latest innovations in research and technology in their respective fields. Proceedings of SPIE are among the most cited references in patent literature.
