Detecting loss of earth for embedded generation


Redfern, M. A., Brown, D. and Bartlett, M. G., 2001. Detecting loss of earth for embedded generation. In: Seventh International Conference on Developments in Power System Protection, 2001 (IEE), 2001-04-09 - 2001-04-12.

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This paper describes research into new techniques for automatically detecting loss of earth for an embedded generator. The techniques investigated take advantage of the parasitic impedances associated with a practical generator. These are used to determine whether or not the system to which the embedded generator is connected is earthed. The protection algorithms are designed to use well established techniques and to provide high speed tripping. The principles of operation are such that they can be developed for a multi-function microprocessor based relay or used in a stand alone relay. The paper includes details of practical tests conducted on a LV embedded generator system to demonstrate the principles involved


Item Type Conference or Workshop Items (Paper)
CreatorsRedfern, M. A., Brown, D. and Bartlett, M. G.
Uncontrolled Keywordsparasitic impedances,relay protection,multi-function microprocessor based relay,stand alone relay,power system protection,power engineering computing,operation principles,loss of earth detection,microcomputer applications,high speed tripping,embedded generation,protection algorithms,electric power generation,earthing,distribution networks,lv embedded generator system,electric impedance
DepartmentsFaculty of Engineering & Design > Electronic & Electrical Engineering
ID Code6138


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