NDLI: An intelligent technique for condition based self-maintenance of aluminum electrolytic capacitors

Content Provider	Springer Nature Link
Author	Khera, Neeraj Khan, Shakeb A. Islam, Tariqul Agarwala, A. K.
Copyright Year	2015
Abstract	This paper presents an intelligent technique for condition based self-maintenance of aluminum electrolytic capacitors. In-circuit condition of capacitors is monitored by calculating its remaining useful life in real time. On the basis of capacitor condition, self-maintained operation is performed by controlling the case temperature using thermo-electric cooling (TEC) module. Temperature difference between two plates of TEC module is obtained by varying duty ratio of its input voltage waveform that is capacitor case temperature dependent. Temperature of capacitor is controlled by maintaining cold side temperature of TEC as function of change in case to ambient temperature. The proposed scheme is implemented in National Instruments LabVIEW software and a low cost microcontroller board is used for data acquisition and control. To make the developed system more flexible in use, it has two different modes of operation: monitoring mode and self-maintenance mode. There are provisions for auto shut down of test circuit at critical condition of capacitor and also manual shut down for maintenance or other purposes. The scheme is equipped with web based remote monitoring and maintenance feature. The proposed technique can be customized for condition monitoring and maintenance of critical components in any power electronic system.
Starting Page	25
Ending Page	34
Page Count	10
File Format	PDF
ISSN	09756809
Journal	International Journal of System Assurance Engineering and Management
Volume Number	7
Issue Number	1
e-ISSN	09764348
Language	English
Publisher	Springer India
Publisher Date	2015-12-22
Publisher Place	New Delhi
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Aluminum electrolytic capacitor Condition based maintenance Equivalent series resistance (ESR) Remaining useful life (RUL) Wear-out condition Quality Control, Reliability, Safety and Risk Engineering Economics, Organization, Logistics, Marketing
Content Type	Text
Resource Type	Article
Subject	Strategy and Management Safety, Risk, Reliability and Quality

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