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Your search keyword '"Carvalho, A.R."' showing total 2 results
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2 results on '"Carvalho, A.R."'

1. Effects of displacement rate and temperature on the fracture properties of polymer mortars

Author

Reis, J.M.L., Carvalho, A.R., and Mattos, H.S. da Costa

Subjects
Mortar -- Chemical properties, Epoxy resins -- Analysis, Business, Construction and materials industries
Abstract

ABSTRACT Knowing materials properties is imperative to proper design structures. In this study, the fracture properties of epoxy polymer mortars, fracture energy and toughness are investigated when tested at different [...]

Published
2014
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2. Determination of needed FACTS controllers that increase asset utilization of power systems

Author

Pilotto, L.A.S., Ping, W.W., Carvalho, A.R., Wey, A., Long, W.F., Alvarado, F.L., Edris, A., and Canizares, Claudio A.

Subjects
Electric power systems -- Research, Electric controllers -- Research, Business, Computers, Electronics, Electronics and electrical industries
Abstract

The paper presents an approach for identifying the most effective Flexible AC Transmission System (FACTS) Controllers, locations, types and ratings that increase asset utilization of power systems. The approach is a combined static/dynamic procedure based on the use of a continuation power flow, an optimal power flow and an eigenvalue analysis. The application of this approach on a representative studied transmission system has resulted in an increase of the maximum stable loadability limit by 6.7%. The paper finally shows that the proposed approach is helpful in coordinating the functionality of FACTS Controllers to enhance power system dynamics. Keywords: FACTS Controllers, HVdc Transmission, Voltage Collapse, Electromechanical Stability

Published
1997

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