1) The electrical Term used to denote the voltage relationship to a reference potential (+). 2) With regard to Transformers, Polarity is the indication of the direction of the current flow through the high voltage terminals with respect to the direction of current flow through the low voltage teminals.
The interface between an in-plant network containing embedded generation and the utility distribution network to which the in-plant network is connected.
A round or toroidal core transformer mounted on bushings of power transformers, bulk oil circuit breaker, and other dead tank circuit breakers. These transformers are placed in pockets of these elements they are mounted on where the pocket length is measu
A term used in conjunction with electromechanical relays, denoting the ratio of the fault current setting of the relay.
Programmable Logic Controller. A specialized computer for implementing control sequences using software.