Type:Term. Definitions. 1. In psychoanalysis, one of three components of the psychic apparatus in the freudian structural framework, the other two being the ego and superego. It is completely in the unconscious realm, is unorganized, is the reservoir of psychic energy or libido, and is under the influence of the primary processes.
What is an Arc Most of us are familiar with an arc. The dictionary describes an electric arc as âa luminous bridge formed in a gap between two electrodesâ. An Arc Flash occurs during a fault, or short circuit condition, which passes through this arc gap.
Recently, the PCIC. safety committee recommended that arc Ëash. calculations be completed in conjunction with. short circuit calculations and protective device. coordination to help ensure that the most accu-. rate arc Ëash hazard results were achieved.