Develop a partial discharge data acquisition board in power grid

Partial discharge usually caused the insulation breakdown of the electric equipment. It is necessary to probe it in advance to improve the stability of the power system. When partial discharge occurs, some phenomena come out, such as the electric pulse, ultrasonic waves, electromagnetic radiat...

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Main Author: Liu, Peiran
Other Authors: Zheng Yuanjin
Format: Thesis-Master by Coursework
Language:English
Published: Nanyang Technological University 2022
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Online Access:https://hdl.handle.net/10356/159567
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Institution: Nanyang Technological University
Language: English
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spelling sg-ntu-dr.10356-1595672022-06-27T08:00:54Z Develop a partial discharge data acquisition board in power grid Liu, Peiran Zheng Yuanjin School of Electrical and Electronic Engineering YJZHENG@ntu.edu.sg Engineering::Electrical and electronic engineering Partial discharge usually caused the insulation breakdown of the electric equipment. It is necessary to probe it in advance to improve the stability of the power system. When partial discharge occurs, some phenomena come out, such as the electric pulse, ultrasonic waves, electromagnetic radiation, light, chemical reactions, local heating and so on. These phenomena are usually accompanied by some small-amplitude and high-frequency signals. The online test of the partial discharge of the high voltage electric equipment is usually based on these weak phenomena. Since the price of data acquisition boards on the market is very high, a data acquisition board with a simple structure is designed in this paper, which can achieve most functions while achieving a lower price. There are many partial discharge detections now, such as ultrasonic testing, high frequency current method, ultrahigh frequency testing and so on. In this dissertation, the work mainly focuses on developing the data acquisition board. The data acquisition board is composed of the low noise amplifier, a bandpass filter and a variable gain amplifier to drive the ADC. The bandpass filter consists of a Multi-feedback low-pass filter and a Sallen-Key high-pass filter. The dissertation mainly focuses on the parameter of the data acquisition board, such as the gain, the bandwidth, the power dissipation and the noise of the components. And the stability is also important. Then compare the calculation result and simulation result to ensure the final result. Master of Science (Power Engineering) 2022-06-27T08:00:54Z 2022-06-27T08:00:54Z 2022 Thesis-Master by Coursework Liu, P. (2022). Develop a partial discharge data acquisition board in power grid. Master's thesis, Nanyang Technological University, Singapore. https://hdl.handle.net/10356/159567 https://hdl.handle.net/10356/159567 en application/pdf Nanyang Technological University
institution Nanyang Technological University
building NTU Library
continent Asia
country Singapore
Singapore
content_provider NTU Library
collection DR-NTU
language English
topic Engineering::Electrical and electronic engineering
spellingShingle Engineering::Electrical and electronic engineering
Liu, Peiran
Develop a partial discharge data acquisition board in power grid
description Partial discharge usually caused the insulation breakdown of the electric equipment. It is necessary to probe it in advance to improve the stability of the power system. When partial discharge occurs, some phenomena come out, such as the electric pulse, ultrasonic waves, electromagnetic radiation, light, chemical reactions, local heating and so on. These phenomena are usually accompanied by some small-amplitude and high-frequency signals. The online test of the partial discharge of the high voltage electric equipment is usually based on these weak phenomena. Since the price of data acquisition boards on the market is very high, a data acquisition board with a simple structure is designed in this paper, which can achieve most functions while achieving a lower price. There are many partial discharge detections now, such as ultrasonic testing, high frequency current method, ultrahigh frequency testing and so on. In this dissertation, the work mainly focuses on developing the data acquisition board. The data acquisition board is composed of the low noise amplifier, a bandpass filter and a variable gain amplifier to drive the ADC. The bandpass filter consists of a Multi-feedback low-pass filter and a Sallen-Key high-pass filter. The dissertation mainly focuses on the parameter of the data acquisition board, such as the gain, the bandwidth, the power dissipation and the noise of the components. And the stability is also important. Then compare the calculation result and simulation result to ensure the final result.
author2 Zheng Yuanjin
author_facet Zheng Yuanjin
Liu, Peiran
format Thesis-Master by Coursework
author Liu, Peiran
author_sort Liu, Peiran
title Develop a partial discharge data acquisition board in power grid
title_short Develop a partial discharge data acquisition board in power grid
title_full Develop a partial discharge data acquisition board in power grid
title_fullStr Develop a partial discharge data acquisition board in power grid
title_full_unstemmed Develop a partial discharge data acquisition board in power grid
title_sort develop a partial discharge data acquisition board in power grid
publisher Nanyang Technological University
publishDate 2022
url https://hdl.handle.net/10356/159567
_version_ 1736856420434837504