A wide bandwidth, on-line impedance measurement method for power systems, based on PLC techniques

Zhu, Shucheng, Kikkert, Cornelis Jan, and Ertugrul, Nesimi (2014) A wide bandwidth, on-line impedance measurement method for power systems, based on PLC techniques. In: Proceedings of the 2014 IEEE International Symposium on Circuits and Systems. pp. 1167-1170. From: ISCAS 2014: International Symposium on Circuits and Systems, 1-5 June 2014, Melbourne, VIC, Australia.

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DOI: 10.1109/ISCAS.2014.6865348

View at Publisher Website: http://dx.doi.org/10.1109/ISCAS.2014.686...

Abstract

On-line impedance measurement is a useful tool to monitor the state, health and characteristics of electrical networks in power systems. This paper proposes a method for on-line, wide-bandwidth, impedance analysis of devices used in power networks. This method uses a signal generator to inject other than mains frequency signals on-line and then measuring current and voltages to determine the impedance at the injected frequencies. Two measurement circuits based on different types of current and voltage measurement methods are discussed. Their experimental results of impedance measurement are shown. This paper also suggested some possible applications of this on-line impedance analysis method in condition monitoring of power distribution transformers and electrical machines.


Item ID:	35191
Item Type:	Conference Item (Research - E1)
ISBN:	978-1-4799-3431-7
Keywords:	measurement; impedance analyzer; condition monitoring; inductive shunt; power transformer
Related URLs:	Organisation
Funders:	University of Adelaide, James Cook University (JCU)
Date Deposited:	12 Feb 2015 03:49
FoR Codes:	09 ENGINEERING > 0906 Electrical and Electronic Engineering > 090601 Circuits and Systems @ 50% 09 ENGINEERING > 0906 Electrical and Electronic Engineering > 090607 Power and Energy Systems Engineering (excl Renewable Power) @ 50%
SEO Codes:	85 ENERGY > 8506 Energy Storage, Distribution and Supply > 850604 Energy Transmission and Distribution (excl. Hydrogen) @ 70% 86 MANUFACTURING > 8615 Instrumentation > 861503 Scientific Instruments @ 30%
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