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1956•Transactions of the American Institute of Electrical Engineers Part II Applications and IndustryRequires access

Sensing methods applicable to a 3-phase load transfer contactor

R. W. Stineman, P. L. Epstein

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Abstract

A LOAD transfer contactor is employed in an electric circuit as illustrated in Fig. 1. As is evident from the figure, the purpose of the contactor is to connect a bank of loads to one of two possible power sources. While the contactor could be either manually or automatically controlled, only automatically controlled self-contained contactors are considered in this paper. Also, the contactor could be employed in either a single-phase or a 3-phase circuit, but this paper deals only with 3-phase circuits.

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What this paper is about

A LOAD transfer contactor is employed in an electric circuit as illustrated in Fig. 1. As is evident from the figure, the purpose of the contactor is to connect a bank of loads to one of two possible power sources. While the contactor could be either manually or automatically controlled, only automatically controlled self-contained contactors are considered in this paper. Also, the contactor could be employed in either a single-phase or a 3-phase circuit, but this paper deals only with 3-phase circuits.

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Available abstract

A LOAD transfer contactor is employed in an electric circuit as illustrated in Fig. 1. As is evident from the figure, the purpose of the contactor is to connect a bank of loads to one of two possible power sources. While the contactor could be either manually or automatically controlled, only automatically controlled self-contained contactors are considered in this paper. Also, the contactor could be employed in either a single-phase or a 3-phase circuit, but this paper deals only with 3-phase circuits.

Key concepts: Contactor, Electronic circuit, Three-phase, Phase (matter), Computer science, Transfer (computing), Power (physics), Phase angle (astronomy)

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