Referenced Items are not available for this document.
This paper outlines the reasons for application of pilot relay equipment, particularly of the carrier-current type. A one-cycle carrier-pilot-relay scheme is described which now makes available the desirable high-speed and back-up characteristics of step-type distance protection combined with the 100 per cent simultaneous tripping feature possible with a pilot circuit. Impedance and over current supervised single-phase directional elements are utilized for controlling carrier on phase and ground faults, respectively.
Published in:
American Institute of Electrical Engineers, Transactions of the
(Volume:57
,
Issue:
1
)
Date of Publication: Jan. 1938
- Page(s):
- 5 - 10
- ISSN :
- 0096-3860
- Digital Object Identifier :
- 10.1109/T-AIEE.1938.5057729
- Product Type:
- Journals & Magazines
- Date of Current Version :
- 02 June 2009
- Issue Date :
- Jan. 1938
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